-// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
#include "SMESH_MeshEditor.hxx"
-#include "SMDS_FaceOfNodes.hxx"
-#include "SMDS_VolumeTool.hxx"
+#include "SMDS_Downward.hxx"
#include "SMDS_EdgePosition.hxx"
+#include "SMDS_FaceOfNodes.hxx"
#include "SMDS_FacePosition.hxx"
-#include "SMDS_SpacePosition.hxx"
-#include "SMDS_MeshGroup.hxx"
#include "SMDS_LinearEdge.hxx"
-#include "SMDS_Downward.hxx"
+#include "SMDS_MeshGroup.hxx"
#include "SMDS_SetIterator.hxx"
-
+#include "SMDS_SpacePosition.hxx"
+#include "SMDS_VolumeTool.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
-
#include "SMESH_Algo.hxx"
#include "SMESH_ControlsDef.hxx"
#include "SMESH_Group.hxx"
+#include "SMESH_Mesh.hxx"
#include "SMESH_MeshAlgos.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_OctreeNode.hxx"
#include "SMESH_subMesh.hxx"
-#include <Basics_OCCTVersion.hxx>
-
#include "utilities.h"
#include "chrono.hxx"
#include <TopTools_ListOfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Solid.hxx>
#include <gp.hxx>
#include <sstream>
#include <boost/tuple/tuple.hpp>
+#include <boost/container/flat_set.hpp>
#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx>
+#include <OSD_Parallel.hxx>
+
+#include "SMESH_TryCatch.hxx" // include after OCCT headers!
#define cast2Node(elem) static_cast<const SMDS_MeshNode*>( elem )
{
}
+//================================================================================
+/*!
+ * \brief Return mesh DS
+ */
+//================================================================================
+
+SMESHDS_Mesh * SMESH_MeshEditor::GetMeshDS()
+{
+ return myMesh->GetMeshDS();
+}
+
+
//================================================================================
/*!
* \brief Clears myLastCreatedNodes and myLastCreatedElems
*/
//================================================================================
-void SMESH_MeshEditor::CrearLastCreated()
+void SMESH_MeshEditor::ClearLastCreated()
{
myLastCreatedNodes.Clear();
myLastCreatedElems.Clear();
}
+//================================================================================
+/*!
+ * \brief Initializes members by an existing element
+ * \param [in] elem - the source element
+ * \param [in] basicOnly - if true, does not set additional data of Ball and Polyhedron
+ */
+//================================================================================
+
+SMESH_MeshEditor::ElemFeatures&
+SMESH_MeshEditor::ElemFeatures::Init( const SMDS_MeshElement* elem, bool basicOnly )
+{
+ if ( elem )
+ {
+ myType = elem->GetType();
+ if ( myType == SMDSAbs_Face || myType == SMDSAbs_Volume )
+ {
+ myIsPoly = elem->IsPoly();
+ if ( myIsPoly )
+ {
+ myIsQuad = elem->IsQuadratic();
+ if ( myType == SMDSAbs_Volume && !basicOnly )
+ {
+ vector<int > quant = static_cast<const SMDS_VtkVolume* >( elem )->GetQuantities();
+ myPolyhedQuantities.swap( quant );
+ }
+ }
+ }
+ else if ( myType == SMDSAbs_Ball && !basicOnly )
+ {
+ myBallDiameter = static_cast<const SMDS_BallElement*>(elem)->GetDiameter();
+ }
+ }
+ return *this;
+}
//=======================================================================
/*!
SMDS_MeshElement*
SMESH_MeshEditor::AddElement(const vector<const SMDS_MeshNode*> & node,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID,
- const double ballDiameter)
+ const ElemFeatures& features)
{
- //MESSAGE("AddElement " <<node.size() << " " << type << " " << isPoly << " " << ID);
SMDS_MeshElement* e = 0;
int nbnode = node.size();
SMESHDS_Mesh* mesh = GetMeshDS();
- switch ( type ) {
+ const int ID = features.myID;
+
+ switch ( features.myType ) {
case SMDSAbs_Face:
- if ( !isPoly ) {
+ if ( !features.myIsPoly ) {
if (nbnode == 3) {
if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], ID);
else e = mesh->AddFace (node[0], node[1], node[2] );
else e = mesh->AddFace (node[0], node[1], node[2], node[3],
node[4], node[5], node[6], node[7], node[8] );
}
- } else {
+ }
+ else if ( !features.myIsQuad )
+ {
if ( ID >= 1 ) e = mesh->AddPolygonalFaceWithID(node, ID);
else e = mesh->AddPolygonalFace (node );
}
+ else if ( nbnode % 2 == 0 ) // just a protection
+ {
+ if ( ID >= 1 ) e = mesh->AddQuadPolygonalFaceWithID(node, ID);
+ else e = mesh->AddQuadPolygonalFace (node );
+ }
break;
case SMDSAbs_Volume:
- if ( !isPoly ) {
+ if ( !features.myIsPoly ) {
if (nbnode == 4) {
if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3], ID);
else e = mesh->AddVolume (node[0], node[1], node[2], node[3] );
node[24],node[25],node[26] );
}
}
+ else if ( !features.myIsQuad )
+ {
+ if ( ID >= 1 ) e = mesh->AddPolyhedralVolumeWithID(node, features.myPolyhedQuantities, ID);
+ else e = mesh->AddPolyhedralVolume (node, features.myPolyhedQuantities );
+ }
+ else
+ {
+ // if ( ID >= 1 ) e = mesh->AddQuadPolyhedralVolumeWithID(node, features.myPolyhedQuantities,ID);
+ // else e = mesh->AddQuadPolyhedralVolume (node, features.myPolyhedQuantities );
+ }
break;
case SMDSAbs_Edge:
case SMDSAbs_Node:
if ( ID >= 1 ) e = mesh->AddNodeWithID(node[0]->X(), node[0]->Y(), node[0]->Z(), ID);
- else e = mesh->AddNode (node[0]->X(), node[0]->Y(), node[0]->Z());
+ else e = mesh->AddNode (node[0]->X(), node[0]->Y(), node[0]->Z() );
break;
case SMDSAbs_Ball:
- if ( ID >= 1 ) e = mesh->AddBallWithID(node[0], ballDiameter, ID);
- else e = mesh->AddBall (node[0], ballDiameter);
+ if ( ID >= 1 ) e = mesh->AddBallWithID(node[0], features.myBallDiameter, ID);
+ else e = mesh->AddBall (node[0], features.myBallDiameter );
break;
default:;
*/
//=======================================================================
-SMDS_MeshElement* SMESH_MeshEditor::AddElement(const vector<int> & nodeIDs,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID)
+SMDS_MeshElement* SMESH_MeshEditor::AddElement(const vector<int> & nodeIDs,
+ const ElemFeatures& features)
{
vector<const SMDS_MeshNode*> nodes;
nodes.reserve( nodeIDs.size() );
else
return 0;
}
- return AddElement( nodes, type, isPoly, ID );
+ return AddElement( nodes, features );
}
//=======================================================================
//================================================================================
/*!
- * \brief Create 0D elements on all nodes of the given object except those
- * nodes on which a 0D element already exists.
+ * \brief Create 0D elements on all nodes of the given object.
* \param elements - Elements on whose nodes to create 0D elements; if empty,
* the all mesh is treated
* \param all0DElems - returns all 0D elements found or created on nodes of \a elements
+ * \param duplicateElements - to add one more 0D element to a node or not
*/
//================================================================================
void SMESH_MeshEditor::Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
- TIDSortedElemSet& all0DElems )
+ TIDSortedElemSet& all0DElems,
+ const bool duplicateElements )
{
SMDS_ElemIteratorPtr elemIt;
- vector< const SMDS_MeshElement* > allNodes;
if ( elements.empty() )
{
- allNodes.reserve( GetMeshDS()->NbNodes() );
elemIt = GetMeshDS()->elementsIterator( SMDSAbs_Node );
- while ( elemIt->more() )
- allNodes.push_back( elemIt->next() );
-
- elemIt = elemSetIterator( allNodes );
}
else
{
{
const SMDS_MeshNode* n = cast2Node( nodeIt->next() );
SMDS_ElemIteratorPtr it0D = n->GetInverseElementIterator( SMDSAbs_0DElement );
- if ( it0D->more() )
- all0DElems.insert( it0D->next() );
- else {
+ if ( duplicateElements || !it0D->more() )
+ {
myLastCreatedElems.Append( GetMeshDS()->Add0DElement( n ));
all0DElems.insert( myLastCreatedElems.Last() );
}
+ while ( it0D->more() )
+ all0DElems.insert( it0D->next() );
}
}
}
bool SMESH_MeshEditor::InverseDiag (const SMDS_MeshElement * theTria1,
const SMDS_MeshElement * theTria2 )
{
- MESSAGE("InverseDiag");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::InverseDiag()" );
-
const SMDS_MeshElement *tr1, *tr2;
if ( !findTriangles( theNode1, theNode2, tr1, tr2 ))
return false;
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::DeleteDiag()" );
-
const SMDS_MeshElement *tr1, *tr2;
if ( !findTriangles( theNode1, theNode2, tr1, tr2 ))
return false;
bool SMESH_MeshEditor::Reorient (const SMDS_MeshElement * theElem)
{
- MESSAGE("Reorient");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
else // other elements
{
vector<const SMDS_MeshNode*> nodes( theElem->begin_nodes(), theElem->end_nodes() );
- const std::vector<int>& interlace = SMDS_MeshCell::reverseSmdsOrder( geomType );
+ const std::vector<int>& interlace = SMDS_MeshCell::reverseSmdsOrder( geomType, nodes.size() );
if ( interlace.empty() )
{
- std::reverse( nodes.begin(), nodes.end() ); // polygon
+ std::reverse( nodes.begin(), nodes.end() ); // obsolete, just in case
}
- else if ( interlace.size() > 1 )
+ else
{
SMDS_MeshCell::applyInterlace( interlace, nodes );
}
* \brief Reorient faces.
* \param theFaces - the faces to reorient. If empty the whole mesh is meant
* \param theDirection - desired direction of normal of \a theFace
- * \param theFace - one of \a theFaces that sould be oriented according to
+ * \param theFace - one of \a theFaces that should be oriented according to
* \a theDirection and whose orientation defines orientation of other faces
* \return number of reoriented faces.
*/
}
if ( otherFace && otherFace != theFace)
{
- // link must be reverse in otherFace if orientation ot otherFace
+ // link must be reverse in otherFace if orientation to otherFace
// is same as that of theFace
if ( abs(nodeInd2-nodeInd1) == 1 ? nodeInd2 > nodeInd1 : nodeInd1 > nodeInd2 )
{
if ( face->GetType() != SMDSAbs_Face )
continue;
- const int nbCornersNodes = face->NbCornerNodes();
+ const size_t nbCornersNodes = face->NbCornerNodes();
faceNodes.assign( face->begin_nodes(), face->end_nodes() );
checkedVolumes.clear();
// is volume adjacent?
bool allNodesCommon = true;
- for ( int iN = 1; iN < nbCornersNodes && allNodesCommon; ++iN )
+ for ( size_t iN = 1; iN < nbCornersNodes && allNodesCommon; ++iN )
allNodesCommon = ( volume->GetNodeIndex( faceNodes[ iN ]) > -1 );
if ( !allNodesCommon )
continue;
for ( int i = 0; i < 2; ++i )
{
const SMDS_MeshNode* n = facetNodes[ i*iQ ];
- for ( int iN = 0; iN < nbCornersNodes; ++iN )
+ for ( size_t iN = 0; iN < nbCornersNodes; ++iN )
if ( faceNodes[ iN ] == n )
{
iNN[ i ] = iN;
//=======================================================================
/*!
* \brief Split each of given quadrangles into 4 triangles.
- * \param theElems - The faces to be splitted. If empty all faces are split.
+ * \param theElems - The faces to be split. If empty all faces are split.
*/
//=======================================================================
gp_XY uv [9]; uv[8] = gp_XY(0,0);
gp_XYZ xyz[9];
vector< const SMDS_MeshNode* > nodes;
- SMESHDS_SubMesh* subMeshDS;
+ SMESHDS_SubMesh* subMeshDS = 0;
TopoDS_Face F;
Handle(Geom_Surface) surface;
TopLoc_Location loc;
// create 4 triangles
- GetMeshDS()->RemoveFreeElement( quad, subMeshDS, /*fromGroups=*/false );
-
helper.SetIsQuadratic ( nodes.size() > 4 );
helper.SetIsBiQuadratic( nodes.size() == 9 );
if ( helper.GetIsQuadratic() )
helper.AddTLinks( static_cast< const SMDS_MeshFace*>( quad ));
+ GetMeshDS()->RemoveFreeElement( quad, subMeshDS, /*fromGroups=*/false );
+
for ( int i = 0; i < 4; ++i )
{
SMDS_MeshElement* tria = helper.AddFace( nodes[ i ],
break;
case SMDSEntity_Penta:
case SMDSEntity_Quad_Penta:
+ case SMDSEntity_BiQuad_Penta:
connVariants = thePentaTo3; nbTet = 3; nbVariants = 6;
break;
default:
if ( hasAdjacentSplits && method._nbSplits > 0 )
{
bool facetCreated = true;
- for ( int iF = 0; facetCreated && iF < triaSplitsByFace.size(); ++iF )
+ for ( size_t iF = 0; facetCreated && iF < triaSplitsByFace.size(); ++iF )
{
list< TTriangleFacet >::const_iterator facet = triaSplitsByFace[iF].begin();
for ( ; facetCreated && facet != triaSplitsByFace[iF].end(); ++facet )
// No adjacent prisms. Select a variant with a best aspect ratio.
- double badness[2] = { 0, 0 };
+ double badness[2] = { 0., 0. };
static SMESH::Controls::NumericalFunctorPtr aspectRatio( new SMESH::Controls::AspectRatio);
const SMDS_MeshNode** nodes = vol.GetNodes();
for ( int variant = 0; variant < nbVariants; ++variant )
// map face of volume to it's baricenrtic node
map< TVolumeFaceKey, const SMDS_MeshNode* > volFace2BaryNode;
double bc[3];
+ vector<const SMDS_MeshElement* > splitVols;
TFacetOfElem::const_iterator elem2facet = theElems.begin();
for ( ; elem2facet != theElems.end(); ++elem2facet )
}
// make new volumes
- vector<const SMDS_MeshElement* > splitVols( splitMethod._nbSplits ); // splits of a volume
+ splitVols.resize( splitMethod._nbSplits ); // splits of a volume
const int* volConn = splitMethod._connectivity;
if ( splitMethod._nbCorners == 4 ) // tetra
for ( int i = 0; i < splitMethod._nbSplits; ++i, volConn += splitMethod._nbCorners )
}
else
{
- // among possible triangles create ones discribed by split method
+ // among possible triangles create ones described by split method
const int* nInd = volTool.GetFaceNodesIndices( iF );
int nbVariants = ( nbNodes == 4 ? 2 : nbNodes );
int iCom = 0; // common node of triangle faces to split into
volNodes[ facet->_n3 ]));
}
}
- for ( int i = 0; i < triangles.size(); ++i )
+ for ( size_t i = 0; i < triangles.size(); ++i )
{
- if ( !triangles[i] ) continue;
+ if ( !triangles[ i ]) continue;
if ( fSubMesh )
- fSubMesh->AddElement( triangles[i]);
- newElems.Append( triangles[i] );
+ fSubMesh->AddElement( triangles[ i ]);
+ newElems.Append( triangles[ i ]);
}
ReplaceElemInGroups( face, triangles, GetMeshDS() );
GetMeshDS()->RemoveFreeElement( face, fSubMesh, /*fromGroups=*/false );
GetMeshDS()->RemoveNode( volNodes[i] );
}
} // loop on volumes to split
-
+
myLastCreatedNodes = newNodes;
myLastCreatedElems = newElems;
}
// Fill theFacets starting from facetID of startHex
- // facets used for seach of volumes adjacent to already treated ones
+ // facets used for searching of volumes adjacent to already treated ones
typedef pair< TFacetOfElem::iterator, int > TElemFacets;
typedef map< TVolumeFaceKey, TElemFacets > TFacetMap;
TFacetMap facetsToCheck;
set<const SMDS_MeshNode*> facetNodes;
const SMDS_MeshElement* curHex;
- const bool allHex = ( theHexas.size() == myMesh->NbHexas() );
+ const bool allHex = ((int) theHexas.size() == myMesh->NbHexas() );
while ( startHex )
{
startHex = curHex;
- // find a facet of startHex to split
+ // find a facet of startHex to split
set<const SMDS_MeshNode*> lateralNodes;
vTool.GetFaceNodes( lateralFacet, lateralNodes );
throw SALOME_Exception( THIS_METHOD "facet of a new startHex not found");
}
} // while ( startHex )
+
+ return;
+}
+
+namespace
+{
+ //================================================================================
+ /*!
+ * \brief Selects nodes of several elements according to a given interlace
+ * \param [in] srcNodes - nodes to select from
+ * \param [out] tgtNodesVec - array of nodes of several elements to fill in
+ * \param [in] interlace - indices of nodes for all elements
+ * \param [in] nbElems - nb of elements
+ * \param [in] nbNodes - nb of nodes in each element
+ * \param [in] mesh - the mesh
+ * \param [out] elemQueue - a list to push elements found by the selected nodes
+ * \param [in] type - type of elements to look for
+ */
+ //================================================================================
+
+ void selectNodes( const vector< const SMDS_MeshNode* >& srcNodes,
+ vector< const SMDS_MeshNode* >* tgtNodesVec,
+ const int* interlace,
+ const int nbElems,
+ const int nbNodes,
+ SMESHDS_Mesh* mesh = 0,
+ list< const SMDS_MeshElement* >* elemQueue=0,
+ SMDSAbs_ElementType type=SMDSAbs_All)
+ {
+ for ( int iE = 0; iE < nbElems; ++iE )
+ {
+ vector< const SMDS_MeshNode* >& elemNodes = tgtNodesVec[iE];
+ const int* select = & interlace[iE*nbNodes];
+ elemNodes.resize( nbNodes );
+ for ( int iN = 0; iN < nbNodes; ++iN )
+ elemNodes[iN] = srcNodes[ select[ iN ]];
+ }
+ const SMDS_MeshElement* e;
+ if ( elemQueue )
+ for ( int iE = 0; iE < nbElems; ++iE )
+ if (( e = mesh->FindElement( tgtNodesVec[iE], type, /*noMedium=*/false)))
+ elemQueue->push_back( e );
+ }
+}
+
+//=======================================================================
+/*
+ * Split bi-quadratic elements into linear ones without creation of additional nodes
+ * - bi-quadratic triangle will be split into 3 linear quadrangles;
+ * - bi-quadratic quadrangle will be split into 4 linear quadrangles;
+ * - tri-quadratic hexahedron will be split into 8 linear hexahedra;
+ * Quadratic elements of lower dimension adjacent to the split bi-quadratic element
+ * will be split in order to keep the mesh conformal.
+ * \param elems - elements to split
+ */
+//=======================================================================
+
+void SMESH_MeshEditor::SplitBiQuadraticIntoLinear(TIDSortedElemSet& theElems)
+{
+ vector< const SMDS_MeshNode* > elemNodes(27), subNodes[12], splitNodes[8];
+ vector<const SMDS_MeshElement* > splitElems;
+ list< const SMDS_MeshElement* > elemQueue;
+ list< const SMDS_MeshElement* >::iterator elemIt;
+
+ SMESHDS_Mesh * mesh = GetMeshDS();
+ ElemFeatures *elemType, hexaType(SMDSAbs_Volume), quadType(SMDSAbs_Face), segType(SMDSAbs_Edge);
+ int nbElems, nbNodes;
+
+ TIDSortedElemSet::iterator elemSetIt = theElems.begin();
+ for ( ; elemSetIt != theElems.end(); ++elemSetIt )
+ {
+ elemQueue.clear();
+ elemQueue.push_back( *elemSetIt );
+ for ( elemIt = elemQueue.begin(); elemIt != elemQueue.end(); ++elemIt )
+ {
+ const SMDS_MeshElement* elem = *elemIt;
+ switch( elem->GetEntityType() )
+ {
+ case SMDSEntity_TriQuad_Hexa: // HEX27
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = nbNodes = 8;
+ elemType = & hexaType;
+
+ // get nodes for new elements
+ static int vInd[8][8] = {{ 0,8,20,11, 16,21,26,24 },
+ { 1,9,20,8, 17,22,26,21 },
+ { 2,10,20,9, 18,23,26,22 },
+ { 3,11,20,10, 19,24,26,23 },
+ { 16,21,26,24, 4,12,25,15 },
+ { 17,22,26,21, 5,13,25,12 },
+ { 18,23,26,22, 6,14,25,13 },
+ { 19,24,26,23, 7,15,25,14 }};
+ selectNodes( elemNodes, & splitNodes[0], &vInd[0][0], nbElems, nbNodes );
+
+ // add boundary faces to elemQueue
+ static int fInd[6][9] = {{ 0,1,2,3, 8,9,10,11, 20 },
+ { 4,5,6,7, 12,13,14,15, 25 },
+ { 0,1,5,4, 8,17,12,16, 21 },
+ { 1,2,6,5, 9,18,13,17, 22 },
+ { 2,3,7,6, 10,19,14,18, 23 },
+ { 3,0,4,7, 11,16,15,19, 24 }};
+ selectNodes( elemNodes, & subNodes[0], &fInd[0][0], 6,9, mesh, &elemQueue, SMDSAbs_Face );
+
+ // add boundary segments to elemQueue
+ static int eInd[12][3] = {{ 0,1,8 }, { 1,2,9 }, { 2,3,10 }, { 3,0,11 },
+ { 4,5,12}, { 5,6,13}, { 6,7,14 }, { 7,4,15 },
+ { 0,4,16}, { 1,5,17}, { 2,6,18 }, { 3,7,19 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 12,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_BiQuad_Triangle: // TRIA7
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 3;
+ nbNodes = 4;
+ elemType = & quadType;
+
+ // get nodes for new elements
+ static int fInd[3][4] = {{ 0,3,6,5 }, { 1,4,6,3 }, { 2,5,6,4 }};
+ selectNodes( elemNodes, & splitNodes[0], &fInd[0][0], nbElems, nbNodes );
+
+ // add boundary segments to elemQueue
+ static int eInd[3][3] = {{ 0,1,3 }, { 1,2,4 }, { 2,0,5 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 3,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_BiQuad_Quadrangle: // QUAD9
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 4;
+ nbNodes = 4;
+ elemType = & quadType;
+
+ // get nodes for new elements
+ static int fInd[4][4] = {{ 0,4,8,7 }, { 1,5,8,4 }, { 2,6,8,5 }, { 3,7,8,6 }};
+ selectNodes( elemNodes, & splitNodes[0], &fInd[0][0], nbElems, nbNodes );
+
+ // add boundary segments to elemQueue
+ static int eInd[4][3] = {{ 0,1,4 }, { 1,2,5 }, { 2,3,6 }, { 3,0,7 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 4,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_Quad_Edge:
+ {
+ if ( elemIt == elemQueue.begin() )
+ continue; // an elem is in theElems
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 2;
+ nbNodes = 2;
+ elemType = & segType;
+
+ // get nodes for new elements
+ static int eInd[2][2] = {{ 0,2 }, { 2,1 }};
+ selectNodes( elemNodes, & splitNodes[0], &eInd[0][0], nbElems, nbNodes );
+ break;
+ }
+ default: continue;
+ } // switch( elem->GetEntityType() )
+
+ // Create new elements
+
+ SMESHDS_SubMesh* subMesh = mesh->MeshElements( elem->getshapeId() );
+
+ splitElems.clear();
+
+ //elemType->SetID( elem->GetID() ); // create an elem with the same ID as a removed one
+ mesh->RemoveFreeElement( elem, subMesh, /*fromGroups=*/false );
+ //splitElems.push_back( AddElement( splitNodes[ 0 ], *elemType ));
+ //elemType->SetID( -1 );
+
+ for ( int iE = 0; iE < nbElems; ++iE )
+ splitElems.push_back( AddElement( splitNodes[ iE ], *elemType ));
+
+
+ ReplaceElemInGroups( elem, splitElems, mesh );
+
+ if ( subMesh )
+ for ( size_t i = 0; i < splitElems.size(); ++i )
+ subMesh->AddElement( splitElems[i] );
+ }
+ }
}
//=======================================================================
for ( ; grIt != groups.end(); grIt++ ) {
SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
if ( group && group->SMDSGroup().Remove( elemToRm ) )
- for ( int i = 0; i < elemToAdd.size(); ++i )
+ for ( size_t i = 0; i < elemToAdd.size(); ++i )
group->SMDSGroup().Add( elemToAdd[ i ] );
}
}
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::QuadToTri()" );
-
SMESHDS_Mesh * aMesh = GetMeshDS();
Handle(Geom_Surface) surface;
SMESH_MesherHelper helper( *GetMesh() );
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ {
const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() != SMDSAbs_Face )
+ if ( !elem || elem->GetGeomType() != SMDSGeom_QUADRANGLE )
continue;
- bool isquad = elem->NbNodes()==4 || elem->NbNodes()==8;
- if(!isquad) continue;
- if(elem->NbNodes()==4) {
+ if ( elem->NbNodes() == 4 ) {
// retrieve element nodes
const SMDS_MeshNode* aNodes [4];
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
myLastCreatedElems.Append(newElem2);
// put a new triangle on the same shape and add to the same groups
if ( aShapeId )
- {
- aMesh->SetMeshElementOnShape( newElem1, aShapeId );
- aMesh->SetMeshElementOnShape( newElem2, aShapeId );
- }
+ {
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+ }
AddToSameGroups( newElem1, elem, aMesh );
AddToSameGroups( newElem2, elem, aMesh );
- //aMesh->RemoveFreeElement(elem, aMesh->MeshElements(aShapeId), true);
aMesh->RemoveElement( elem );
}
// Quadratic quadrangle
- if( elem->NbNodes()==8 && elem->IsQuadratic() ) {
-
+ else if ( elem->NbNodes() >= 8 )
+ {
// get surface elem is on
int aShapeId = FindShape( elem );
if ( aShapeId != helper.GetSubShapeID() ) {
}
}
- const SMDS_MeshNode* aNodes [8];
- const SMDS_MeshNode* inFaceNode = 0;
+ const SMDS_MeshNode* aNodes [9]; aNodes[8] = 0;
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( itN->more() ) {
- aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
- if ( !inFaceNode && helper.GetNodeUVneedInFaceNode() &&
- aNodes[ i-1 ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
- {
- inFaceNode = aNodes[ i-1 ];
- }
- }
+ for ( int i = 0; itN->more(); ++i )
+ aNodes[ i ] = static_cast<const SMDS_MeshNode*>( itN->next() );
- // find middle point for (0,1,2,3)
- // and create a node in this point;
- gp_XYZ p( 0,0,0 );
- if ( surface.IsNull() ) {
- for(i=0; i<4; i++)
- p += gp_XYZ(aNodes[i]->X(), aNodes[i]->Y(), aNodes[i]->Z() );
- p /= 4;
- }
- else {
- TopoDS_Face geomFace = TopoDS::Face( helper.GetSubShape() );
- gp_XY uv( 0,0 );
- for(i=0; i<4; i++)
- uv += helper.GetNodeUV( geomFace, aNodes[i], inFaceNode );
- uv /= 4.;
- p = surface->Value( uv.X(), uv.Y() ).XYZ();
+ const SMDS_MeshNode* centrNode = aNodes[8];
+ if ( centrNode == 0 )
+ {
+ centrNode = helper.GetCentralNode( aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7],
+ surface.IsNull() );
+ myLastCreatedNodes.Append(centrNode);
}
- const SMDS_MeshNode* newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
- myLastCreatedNodes.Append(newN);
// create a new element
const SMDS_MeshElement* newElem1 = 0;
const SMDS_MeshElement* newElem2 = 0;
if ( the13Diag ) {
newElem1 = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
- aNodes[6], aNodes[7], newN );
+ aNodes[6], aNodes[7], centrNode );
newElem2 = aMesh->AddFace(aNodes[2], aNodes[0], aNodes[1],
- newN, aNodes[4], aNodes[5] );
+ centrNode, aNodes[4], aNodes[5] );
}
else {
newElem1 = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
- aNodes[7], aNodes[4], newN );
+ aNodes[7], aNodes[4], centrNode );
newElem2 = aMesh->AddFace(aNodes[3], aNodes[1], aNodes[2],
- newN, aNodes[5], aNodes[6] );
+ centrNode, aNodes[5], aNodes[6] );
}
myLastCreatedElems.Append(newElem1);
myLastCreatedElems.Append(newElem2);
// put a new triangle on the same shape and add to the same groups
if ( aShapeId )
- {
- aMesh->SetMeshElementOnShape( newElem1, aShapeId );
- aMesh->SetMeshElementOnShape( newElem2, aShapeId );
- }
+ {
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+ }
AddToSameGroups( newElem1, elem, aMesh );
AddToSameGroups( newElem2, elem, aMesh );
aMesh->RemoveElement( elem );
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::TriToQuad()" );
-
if ( !theCrit.get() )
return false;
if ( startElem ) {
// Get candidates to be fused
const SMDS_MeshElement *tr1 = startElem, *tr2 = 0, *tr3 = 0;
- const SMESH_TLink *link12, *link13;
+ const SMESH_TLink *link12 = 0, *link13 = 0;
startElem = 0;
ASSERT( mapEl_setLi.find( tr1 ) != mapEl_setLi.end() );
set< SMESH_TLink >& setLi = mapEl_setLi[ tr1 ];
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE((theSmoothMethod==LAPLACIAN ? "LAPLACIAN" : "CENTROIDAL") << "--::Smooth()");
-
if ( theTgtAspectRatio < 1.0 )
theTgtAspectRatio = 1.0;
// smooth elements on each TopoDS_Face separately
// ===============================================
- set< int >::reverse_iterator fId = faceIdSet.rbegin(); // treate 0 fId at the end
- for ( ; fId != faceIdSet.rend(); ++fId ) {
+ SMESH_MesherHelper helper( *GetMesh() );
+
+ set< int >::reverse_iterator fId = faceIdSet.rbegin(); // treat 0 fId at the end
+ for ( ; fId != faceIdSet.rend(); ++fId )
+ {
// get face surface and submesh
Handle(Geom_Surface) surface;
SMESHDS_SubMesh* faceSubMesh = 0;
TopoDS_Face face;
- double fToler2 = 0, f,l;
+ double fToler2 = 0;
double u1 = 0, u2 = 0, v1 = 0, v2 = 0;
bool isUPeriodic = false, isVPeriodic = false;
- if ( *fId ) {
+ if ( *fId )
+ {
face = TopoDS::Face( aMesh->IndexToShape( *fId ));
surface = BRep_Tool::Surface( face );
faceSubMesh = aMesh->MeshElements( *fId );
fToler2 = BRep_Tool::Tolerance( face );
fToler2 *= fToler2 * 10.;
isUPeriodic = surface->IsUPeriodic();
- if ( isUPeriodic )
- surface->UPeriod();
+ // if ( isUPeriodic )
+ // surface->UPeriod();
isVPeriodic = surface->IsVPeriodic();
- if ( isVPeriodic )
- surface->VPeriod();
+ // if ( isVPeriodic )
+ // surface->VPeriod();
surface->Bounds( u1, u2, v1, v2 );
+ helper.SetSubShape( face );
}
// ---------------------------------------------------------
// for elements on a face, find movable and fixed nodes and
int nbElemOnFace = 0;
itElem = theElems.begin();
// loop on not yet smoothed elements: look for elems on a face
- while ( itElem != theElems.end() ) {
+ while ( itElem != theElems.end() )
+ {
if ( faceSubMesh && nbElemOnFace == faceSubMesh->NbElements() )
break; // all elements found
{
// check if all faces around the node are on faceSubMesh
// because a node on edge may be bound to face
- SMDS_ElemIteratorPtr eIt = node->GetInverseElementIterator(SMDSAbs_Face);
bool all = true;
if ( faceSubMesh ) {
+ SMDS_ElemIteratorPtr eIt = node->GetInverseElementIterator(SMDSAbs_Face);
while ( eIt->more() && all ) {
const SMDS_MeshElement* e = eIt->next();
all = faceSubMesh->Contains( e );
// get nodes to check UV
list< const SMDS_MeshNode* > uvCheckNodes;
+ const SMDS_MeshNode* nodeInFace = 0;
itN = elem->nodesIterator();
nn = 0; nbn = elem->NbNodes();
if(elem->IsQuadratic())
nbn = nbn/2;
while ( nn++ < nbn ) {
node = static_cast<const SMDS_MeshNode*>( itN->next() );
+ if ( node->GetPosition()->GetDim() == 2 )
+ nodeInFace = node;
if ( uvMap.find( node ) == uvMap.end() )
uvCheckNodes.push_back( node );
// add nodes of elems sharing node
const SMDS_PositionPtr& pos = node->GetPosition();
posType = pos ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
// get existing UV
- switch ( posType ) {
- case SMDS_TOP_FACE: {
- SMDS_FacePosition* fPos = ( SMDS_FacePosition* ) pos;
- uv.SetCoord( fPos->GetUParameter(), fPos->GetVParameter() );
- break;
- }
- case SMDS_TOP_EDGE: {
- TopoDS_Shape S = aMesh->IndexToShape( node->getshapeId() );
- Handle(Geom2d_Curve) pcurve;
- if ( !S.IsNull() && S.ShapeType() == TopAbs_EDGE )
- pcurve = BRep_Tool::CurveOnSurface( TopoDS::Edge( S ), face, f,l );
- if ( !pcurve.IsNull() ) {
- double u = (( SMDS_EdgePosition* ) pos )->GetUParameter();
- uv = pcurve->Value( u ).XY();
- }
- break;
- }
- case SMDS_TOP_VERTEX: {
- TopoDS_Shape S = aMesh->IndexToShape( node->getshapeId() );
- if ( !S.IsNull() && S.ShapeType() == TopAbs_VERTEX )
- uv = BRep_Tool::Parameters( TopoDS::Vertex( S ), face ).XY();
- break;
- }
- default:;
- }
- // check existing UV
- bool project = true;
- gp_Pnt pNode ( node->X(), node->Y(), node->Z() );
- double dist1 = DBL_MAX, dist2 = 0;
- if ( posType != SMDS_TOP_3DSPACE ) {
- dist1 = pNode.SquareDistance( surface->Value( uv.X(), uv.Y() ));
- project = dist1 > fToler2;
- }
+ if ( pos )
+ {
+ bool toCheck = true;
+ uv = helper.GetNodeUV( face, node, nodeInFace, &toCheck );
+ }
+ // compute not existing UV
+ bool project = ( posType == SMDS_TOP_3DSPACE );
+ // double dist1 = DBL_MAX, dist2 = 0;
+ // if ( posType != SMDS_TOP_3DSPACE ) {
+ // dist1 = pNode.SquareDistance( surface->Value( uv.X(), uv.Y() ));
+ // project = dist1 > fToler2;
+ // }
if ( project ) { // compute new UV
gp_XY newUV;
+ gp_Pnt pNode = SMESH_TNodeXYZ( node );
if ( !getClosestUV( projector, pNode, newUV )) {
MESSAGE("Node Projection Failed " << node);
}
if ( isVPeriodic )
newUV.SetY( ElCLib::InPeriod( newUV.Y(), v1, v2 ));
// check new UV
- if ( posType != SMDS_TOP_3DSPACE )
- dist2 = pNode.SquareDistance( surface->Value( newUV.X(), newUV.Y() ));
- if ( dist2 < dist1 )
+ // if ( posType != SMDS_TOP_3DSPACE )
+ // dist2 = pNode.SquareDistance( surface->Value( newUV.X(), newUV.Y() ));
+ // if ( dist2 < dist1 )
uv = newUV;
}
}
uv2 = pcurve->Value( f );
int iPar = Abs( uv1.X() - uv2.X() ) > Abs( uv1.Y() - uv2.Y() ) ? 1 : 2;
// assure uv1 < uv2
- if ( uv1.Coord( iPar ) > uv2.Coord( iPar )) {
- gp_Pnt2d tmp = uv1; uv1 = uv2; uv2 = tmp;
- }
+ if ( uv1.Coord( iPar ) > uv2.Coord( iPar ))
+ std::swap( uv1, uv2 );
// get nodes on seam and its vertices
list< const SMDS_MeshNode* > seamNodes;
SMDS_NodeIteratorPtr nSeamIt = sm->GetNodes();
setMovableNodes.find( n ) == setMovableNodes.end() )
continue;
// add only nodes being closer to uv2 than to uv1
- gp_Pnt pMid (0.5 * ( n->X() + nSeam->X() ),
- 0.5 * ( n->Y() + nSeam->Y() ),
- 0.5 * ( n->Z() + nSeam->Z() ));
- gp_XY uv;
- getClosestUV( projector, pMid, uv );
- if ( uv.Coord( iPar ) > uvMap[ n ]->Coord( iPar ) ) {
+ // gp_Pnt pMid (0.5 * ( n->X() + nSeam->X() ),
+ // 0.5 * ( n->Y() + nSeam->Y() ),
+ // 0.5 * ( n->Z() + nSeam->Z() ));
+ // gp_XY uv;
+ // getClosestUV( projector, pMid, uv );
+ double x = uvMap[ n ]->Coord( iPar );
+ if ( Abs( uv1.Coord( iPar ) - x ) >
+ Abs( uv2.Coord( iPar ) - x )) {
nodesNearSeam.insert( n );
nbUseMap2++;
}
}
}
if ( maxRatio <= theTgtAspectRatio ) {
- MESSAGE("-- quality achived --");
+ //MESSAGE("-- quality achieved --");
break;
}
if (it+1 == theNbIterations) {
- MESSAGE("-- Iteration limit exceeded --");
+ //MESSAGE("-- Iteration limit exceeded --");
}
} // smoothing iterations
- MESSAGE(" Face id: " << *fId <<
- " Nb iterstions: " << it <<
- " Displacement: " << maxDisplacement <<
- " Aspect Ratio " << maxRatio);
+ // MESSAGE(" Face id: " << *fId <<
+ // " Nb iterstions: " << it <<
+ // " Displacement: " << maxDisplacement <<
+ // " Aspect Ratio " << maxRatio);
// ---------------------------------------
// new nodes positions are computed,
// move medium nodes of quadratic elements
if ( isQuadratic )
{
- SMESH_MesherHelper helper( *GetMesh() );
- helper.SetSubShape( face );
vector<const SMDS_MeshNode*> nodes;
bool checkUV;
list< const SMDS_MeshElement* >::iterator elemIt = elemsOnFace.begin();
}
-//=======================================================================
-//function : isReverse
-//purpose : Return true if normal of prevNodes is not co-directied with
-// gp_Vec(prevNodes[iNotSame],nextNodes[iNotSame]).
-// iNotSame is where prevNodes and nextNodes are different.
-// If result is true then future volume orientation is OK
-//=======================================================================
-
-static bool isReverse(const SMDS_MeshElement* face,
- const vector<const SMDS_MeshNode*>& prevNodes,
- const vector<const SMDS_MeshNode*>& nextNodes,
- const int iNotSame)
+namespace
{
+ //=======================================================================
+ //function : isReverse
+ //purpose : Return true if normal of prevNodes is not co-directied with
+ // gp_Vec(prevNodes[iNotSame],nextNodes[iNotSame]).
+ // iNotSame is where prevNodes and nextNodes are different.
+ // If result is true then future volume orientation is OK
+ //=======================================================================
+
+ bool isReverse(const SMDS_MeshElement* face,
+ const vector<const SMDS_MeshNode*>& prevNodes,
+ const vector<const SMDS_MeshNode*>& nextNodes,
+ const int iNotSame)
+ {
+
+ SMESH_TNodeXYZ pP = prevNodes[ iNotSame ];
+ SMESH_TNodeXYZ pN = nextNodes[ iNotSame ];
+ gp_XYZ extrDir( pN - pP ), faceNorm;
+ SMESH_MeshAlgos::FaceNormal( face, faceNorm, /*normalized=*/false );
- SMESH_TNodeXYZ pP = prevNodes[ iNotSame ];
- SMESH_TNodeXYZ pN = nextNodes[ iNotSame ];
- gp_XYZ extrDir( pN - pP ), faceNorm;
- SMESH_MeshAlgos::FaceNormal( face, faceNorm, /*normalized=*/false );
+ return faceNorm * extrDir < 0.0;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Assure that theElemSets[0] holds elements, not nodes
+ */
+ //================================================================================
- return faceNorm * extrDir < 0.0;
+ void setElemsFirst( TIDSortedElemSet theElemSets[2] )
+ {
+ if ( !theElemSets[0].empty() &&
+ (*theElemSets[0].begin())->GetType() == SMDSAbs_Node )
+ {
+ std::swap( theElemSets[0], theElemSets[1] );
+ }
+ else if ( !theElemSets[1].empty() &&
+ (*theElemSets[1].begin())->GetType() != SMDSAbs_Node )
+ {
+ std::swap( theElemSets[0], theElemSets[1] );
+ }
+ }
}
//=======================================================================
void SMESH_MeshEditor::sweepElement(const SMDS_MeshElement* elem,
const vector<TNodeOfNodeListMapItr> & newNodesItVec,
list<const SMDS_MeshElement*>& newElems,
- const int nbSteps,
+ const size_t nbSteps,
SMESH_SequenceOfElemPtr& srcElements)
{
- //MESSAGE("sweepElement " << nbSteps);
SMESHDS_Mesh* aMesh = GetMeshDS();
const int nbNodes = elem->NbNodes();
}
else
{
- const vector<int>& ind = SMDS_MeshCell::reverseSmdsOrder( baseType );
+ const vector<int>& ind = SMDS_MeshCell::reverseSmdsOrder( baseType, nbNodes );
SMDS_MeshCell::applyInterlace( ind, itNN );
SMDS_MeshCell::applyInterlace( ind, prevNod );
SMDS_MeshCell::applyInterlace( ind, nextNod );
std::swap( itNN[0], itNN[1] );
std::swap( prevNod[0], prevNod[1] );
std::swap( nextNod[0], nextNod[1] );
+ std::swap( isSingleNode[0], isSingleNode[1] );
if ( nbSame > 0 )
sames[0] = 1 - sames[0];
iNotSameNode = 1 - iNotSameNode;
iOpposSame = ( iSameNode - 2 < 0 ? iSameNode + 2 : iSameNode - 2 );
}
+ if ( baseType == SMDSEntity_Polygon )
+ {
+ if ( nbNodes == 3 ) baseType = SMDSEntity_Triangle;
+ else if ( nbNodes == 4 ) baseType = SMDSEntity_Quadrangle;
+ }
+ else if ( baseType == SMDSEntity_Quad_Polygon )
+ {
+ if ( nbNodes == 6 ) baseType = SMDSEntity_Quad_Triangle;
+ else if ( nbNodes == 8 ) baseType = SMDSEntity_Quad_Quadrangle;
+ }
+
// make new elements
- for (int iStep = 0; iStep < nbSteps; iStep++ )
+ for ( size_t iStep = 0; iStep < nbSteps; iStep++ )
{
// get next nodes
for ( iNode = 0; iNode < nbNodes; iNode++ )
break;
}
case SMDSEntity_Quad_Triangle: // sweep (Bi)Quadratic TRIANGLE --->
- case SMDSEntity_BiQuad_Triangle: /* ??? */ {
+ case SMDSEntity_BiQuad_Triangle: /* ??? */ {
if ( nbDouble+nbSame != 3 ) break;
if(nbSame==0) {
// ---> pentahedron with 15 nodes
else if(nbSame==1) {
// ---> pyramid + pentahedron - can not be created since it is needed
// additional middle node at the center of face
- INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
+ //INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
return;
}
else if( nbSame == 2 ) {
{
if ( baseType != SMDSEntity_Polygon )
{
- const std::vector<int>& ind = SMDS_MeshCell::interlacedSmdsOrder(baseType);
+ const std::vector<int>& ind = SMDS_MeshCell::interlacedSmdsOrder(baseType,nbNodes);
SMDS_MeshCell::applyInterlace( ind, prevNod );
SMDS_MeshCell::applyInterlace( ind, nextNod );
SMDS_MeshCell::applyInterlace( ind, midlNod );
quantities.push_back( nbNodes );
// side faces
- for (int iface = 0; iface < nbNodes; iface++)
+ // 3--6--2
+ // | |
+ // 7 5
+ // | |
+ // 0--4--1
+ const int iQuad = elem->IsQuadratic();
+ for (int iface = 0; iface < nbNodes; iface += 1+iQuad )
{
- const int prevNbNodes = polyedre_nodes.size();
- int inextface = (iface+1) % nbNodes;
- polyedre_nodes.push_back( prevNod[inextface] );
- polyedre_nodes.push_back( prevNod[iface] );
- if ( prevNod[iface] != nextNod[iface] )
+ const int prevNbNodes = polyedre_nodes.size(); // to detect degenerated face
+ int inextface = (iface+1+iQuad) % nbNodes;
+ int imid = (iface+1) % nbNodes;
+ polyedre_nodes.push_back( prevNod[inextface] ); // 0
+ if ( iQuad ) polyedre_nodes.push_back( prevNod[imid] ); // 4
+ polyedre_nodes.push_back( prevNod[iface] ); // 1
+ if ( prevNod[iface] != nextNod[iface] ) // 1 != 2
{
- if ( midlNod[ iface ]) polyedre_nodes.push_back( midlNod[ iface ]);
- polyedre_nodes.push_back( nextNod[iface] );
+ if ( midlNod[ iface ]) polyedre_nodes.push_back( midlNod[ iface ]); // 5
+ polyedre_nodes.push_back( nextNod[iface] ); // 2
}
- if ( prevNod[inextface] != nextNod[inextface] )
+ if ( iQuad ) polyedre_nodes.push_back( nextNod[imid] ); // 6
+ if ( prevNod[inextface] != nextNod[inextface] ) // 0 != 3
{
- polyedre_nodes.push_back( nextNod[inextface] );
- if ( midlNod[ inextface ]) polyedre_nodes.push_back( midlNod[ inextface ]);
+ polyedre_nodes.push_back( nextNod[inextface] ); // 3
+ if ( midlNod[ inextface ]) polyedre_nodes.push_back( midlNod[ inextface ]);// 7
}
const int nbFaceNodes = polyedre_nodes.size() - prevNbNodes;
if ( nbFaceNodes > 2 )
}
aNewElem = aMesh->AddPolyhedralVolume (polyedre_nodes, quantities);
- } // // try to create a polyherdal prism
+ } // try to create a polyherdal prism
if ( aNewElem ) {
newElems.push_back( aNewElem );
const SMDS_MeshElement* el = 0;
SMDSAbs_ElementType highType = SMDSAbs_Edge; // count most complex elements only
while ( eIt->more() && nbInitElems < 2 ) {
- el = eIt->next();
- SMDSAbs_ElementType type = el->GetType();
- if ( type == SMDSAbs_Volume || type < highType ) continue;
+ const SMDS_MeshElement* e = eIt->next();
+ SMDSAbs_ElementType type = e->GetType();
+ if ( type == SMDSAbs_Volume ||
+ type < highType ||
+ !elemSet.count(e))
+ continue;
if ( type > highType ) {
nbInitElems = 0;
- highType = type;
+ highType = type;
}
- nbInitElems += elemSet.count(el);
+ el = e;
+ ++nbInitElems;
}
- if ( nbInitElems < 2 ) {
+ if ( nbInitElems == 1 ) {
bool NotCreateEdge = el && el->IsMediumNode(node);
if(!NotCreateEdge) {
vector<TNodeOfNodeListMapItr> newNodesItVec( 1, nList );
// Make a ceiling for each element ie an equal element of last new nodes.
// Find free links of faces - make edges and sweep them into faces.
+ ElemFeatures polyFace( SMDSAbs_Face, /*isPoly=*/true ), anyFace;
+
TTElemOfElemListMap::iterator itElem = newElemsMap.begin();
TElemOfVecOfNnlmiMap::iterator itElemNodes = elemNewNodesMap.begin();
for ( ; itElem != newElemsMap.end(); itElem++, itElemNodes++ )
// sweep free links into faces
- if ( hasFreeLinks ) {
+ if ( hasFreeLinks ) {
list<const SMDS_MeshElement*> & newVolumes = itElem->second;
int iVol, volNb, nbVolumesByStep = newVolumes.size() / nbSteps;
freeInd.push_back( iF );
// find source edge of a free face iF
vector<const SMDS_MeshNode*> commonNodes; // shared by the initial and free faces
- commonNodes.resize( initNodeSet.size(), NULL ); // avoid spoiling memory
- std::set_intersection( faceNodeSet.begin(), faceNodeSet.end(),
- initNodeSet.begin(), initNodeSet.end(),
- commonNodes.begin());
- if ( (*v)->IsQuadratic() )
+ vector<const SMDS_MeshNode*>::iterator lastCommom;
+ commonNodes.resize( nbNodes, 0 );
+ lastCommom = std::set_intersection( faceNodeSet.begin(), faceNodeSet.end(),
+ initNodeSet.begin(), initNodeSet.end(),
+ commonNodes.begin());
+ if ( std::distance( commonNodes.begin(), lastCommom ) == 3 )
srcEdges.push_back(aMesh->FindEdge (commonNodes[0],commonNodes[1],commonNodes[2]));
else
srcEdges.push_back(aMesh->FindEdge (commonNodes[0],commonNodes[1]));
if ( freeInd.empty() )
continue;
- // create faces for all steps;
+ // create wall faces for all steps;
// if such a face has been already created by sweep of edge,
// assure that its orientation is OK
- for ( int iStep = 0; iStep < nbSteps; iStep++ ) {
+ for ( int iStep = 0; iStep < nbSteps; iStep++ )
+ {
vTool.Set( *v, /*ignoreCentralNodes=*/false );
vTool.SetExternalNormal();
const int nextShift = vTool.IsForward() ? +1 : -1;
if ( f )
aMesh->ChangeElementNodes( f, &polygon_nodes[0], nbn );
else
- AddElement(polygon_nodes, SMDSAbs_Face, polygon_nodes.size()>4);
+ AddElement( polygon_nodes, polyFace.SetQuad( (*v)->IsQuadratic() ));
}
}
aFaceLastNodes.erase( vecNewNodes.back()->second.back() );
iF = lastVol.GetFaceIndex( aFaceLastNodes );
}
- if ( iF >= 0 ) {
+ if ( iF >= 0 )
+ {
lastVol.SetExternalNormal();
const SMDS_MeshNode** nodes = lastVol.GetFaceNodes( iF );
- int nbn = lastVol.NbFaceNodes( iF );
- // we do not use this->AddElement() because nodes are interlaced
+ const int nbn = lastVol.NbFaceNodes( iF );
vector<const SMDS_MeshNode*> nodeVec( nodes, nodes+nbn );
if ( !hasFreeLinks ||
!aMesh->FindElement( nodeVec, SMDSAbs_Face, /*noMedium=*/false) )
{
- if ( nbn == 3 )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[1], nodes[2] ));
-
- else if ( nbn == 4 )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[1], nodes[2], nodes[3]));
-
- else if ( nbn == 6 && isQuadratic )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5]));
- else if ( nbn == 7 && isQuadratic )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5], nodes[6]));
- else if ( nbn == 8 && isQuadratic )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7]));
- else if ( nbn == 9 && isQuadratic )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7],
- nodes[8]));
- else
- myLastCreatedElems.Append(aMesh->AddPolygonalFace( nodeVec ));
+ const vector<int>& interlace =
+ SMDS_MeshCell::interlacedSmdsOrder( elem->GetEntityType(), nbn );
+ SMDS_MeshCell::applyInterlaceRev( interlace, nodeVec );
+
+ AddElement( nodeVec, anyFace.Init( elem ));
while ( srcElements.Length() < myLastCreatedElems.Length() )
srcElements.Append( elem );
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::RotationSweep(TIDSortedElemSet & theElems,
+SMESH_MeshEditor::RotationSweep(TIDSortedElemSet theElemSets[2],
const gp_Ax1& theAxis,
const double theAngle,
const int theNbSteps,
// source elements for each generated one
SMESH_SequenceOfElemPtr srcElems, srcNodes;
- MESSAGE( "RotationSweep()");
gp_Trsf aTrsf;
aTrsf.SetRotation( theAxis, theAngle );
gp_Trsf aTrsf2;
const bool isQuadraticMesh = bool( myMesh->NbEdges(ORDER_QUADRATIC) +
myMesh->NbFaces(ORDER_QUADRATIC) +
myMesh->NbVolumes(ORDER_QUADRATIC) );
- // loop on theElems
+ // loop on theElemSets
+ setElemsFirst( theElemSets );
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() == SMDSAbs_Volume )
- continue;
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( elem->NbNodes() );
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElems = theElemSets[ is2ndSet ];
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem || elem->GetType() == SMDSAbs_Volume )
+ continue;
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( elem->NbNodes() );
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
- {
- // check if a node has been already sweeped
- const SMDS_MeshNode* node = cast2Node( itN->next() );
+ // loop on elem nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
- gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
- double coord[3];
- aXYZ.Coord( coord[0], coord[1], coord[2] );
- bool isOnAxis = ( aLine.SquareDistance( aXYZ ) <= aSqTol );
+ gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
+ double coord[3];
+ aXYZ.Coord( coord[0], coord[1], coord[2] );
+ bool isOnAxis = ( aLine.SquareDistance( aXYZ ) <= aSqTol );
- TNodeOfNodeListMapItr nIt =
- mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
- list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
- if ( listNewNodes.empty() )
- {
- // check if we are to create medium nodes between corner ones
- bool needMediumNodes = false;
- if ( isQuadraticMesh )
+ // check if a node has been already sweeped
+ TNodeOfNodeListMapItr nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
{
- SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
- while (it->more() && !needMediumNodes )
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
{
- const SMDS_MeshElement* invElem = it->next();
- if ( invElem != elem && !theElems.count( invElem )) continue;
- needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
- if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
- needMediumNodes = true;
+ SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
+ while (it->more() && !needMediumNodes )
+ {
+ const SMDS_MeshElement* invElem = it->next();
+ if ( invElem != elem && !theElems.count( invElem )) continue;
+ needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
+ if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
+ needMediumNodes = true;
+ }
}
- }
- // make new nodes
- const SMDS_MeshNode * newNode = node;
- for ( int i = 0; i < theNbSteps; i++ ) {
- if ( !isOnAxis ) {
- if ( needMediumNodes ) // create a medium node
- {
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ // make new nodes
+ const SMDS_MeshNode * newNode = node;
+ for ( int i = 0; i < theNbSteps; i++ ) {
+ if ( !isOnAxis ) {
+ if ( needMediumNodes ) // create a medium node
+ {
+ aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ listNewNodes.push_back( newNode );
+ aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ }
+ else {
+ aTrsf.Transforms( coord[0], coord[1], coord[2] );
+ }
+ // create a corner node
newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
listNewNodes.push_back( newNode );
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
}
else {
- aTrsf.Transforms( coord[0], coord[1], coord[2] );
+ listNewNodes.push_back( newNode );
+ // if ( needMediumNodes )
+ // listNewNodes.push_back( newNode );
}
- // create a corner node
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- else {
- listNewNodes.push_back( newNode );
- // if ( needMediumNodes )
- // listNewNodes.push_back( newNode );
}
}
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], theNbSteps, srcElems );
}
- // make new elements
- sweepElement( elem, newNodesItVec, newElemsMap[elem], theNbSteps, srcElems );
}
if ( theMakeWalls )
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElems, theNbSteps, srcElems );
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], theNbSteps, srcElems );
PGroupIDs newGroupIDs;
if ( theMakeGroups )
//purpose : standard construction
//=======================================================================
-SMESH_MeshEditor::ExtrusParam::ExtrusParam( const gp_Vec& theStep,
- const int theNbSteps,
- const int theFlags,
- const double theTolerance):
+SMESH_MeshEditor::ExtrusParam::ExtrusParam( const gp_Vec& theStep,
+ const int theNbSteps,
+ const std::list<double>& theScales,
+ const gp_XYZ* theBasePoint,
+ const int theFlags,
+ const double theTolerance):
myDir( theStep ),
+ myBaseP( Precision::Infinite(), 0, 0 ),
myFlags( theFlags ),
myTolerance( theTolerance ),
myElemsToUse( NULL )
for (int i=1; i<=theNbSteps; i++ )
mySteps->Append( stepSize );
+ int nbScales = theScales.size();
+ if ( nbScales > 0 )
+ {
+ if ( IsLinearVariation() && nbScales < theNbSteps )
+ {
+ myScales.reserve( theNbSteps );
+ std::list<double>::const_iterator scale = theScales.begin();
+ double prevScale = 1.0;
+ for ( int iSc = 1; scale != theScales.end(); ++scale, ++iSc )
+ {
+ int iStep = int( iSc / double( nbScales ) * theNbSteps + 0.5 );
+ int stDelta = Max( 1, iStep - myScales.size());
+ double scDelta = ( *scale - prevScale ) / stDelta;
+ for ( int iStep = 0; iStep < stDelta; ++iStep )
+ {
+ myScales.push_back( prevScale + scDelta );
+ prevScale = myScales.back();
+ }
+ prevScale = *scale;
+ }
+ }
+ else
+ {
+ myScales.assign( theScales.begin(), theScales.end() );
+ }
+ }
+ if ( theBasePoint )
+ {
+ myBaseP = *theBasePoint;
+ }
+
if (( theFlags & EXTRUSION_FLAG_SEW ) &&
( theTolerance > 0 ))
{
//=======================================================================
//function : ExtrusParam::SetElementsToUse
//purpose : stores elements to use for extrusion by normal, depending on
-// state of EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY flag
+// state of EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY flag;
+// define myBaseP for scaling
//=======================================================================
-void SMESH_MeshEditor::ExtrusParam::SetElementsToUse( const TIDSortedElemSet& elems )
+void SMESH_MeshEditor::ExtrusParam::SetElementsToUse( const TIDSortedElemSet& elems,
+ const TIDSortedElemSet& nodes )
{
myElemsToUse = ToUseInpElemsOnly() ? & elems : 0;
+
+ if ( Precision::IsInfinite( myBaseP.X() )) // myBaseP not defined
+ {
+ myBaseP.SetCoord( 0.,0.,0. );
+ TIDSortedElemSet newNodes;
+
+ const TIDSortedElemSet* elemSets[] = { &elems, &nodes };
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ const TIDSortedElemSet& elements = *( elemSets[ is2ndSet ]);
+ TIDSortedElemSet::const_iterator itElem = elements.begin();
+ for ( ; itElem != elements.end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshElement* node = itN->next();
+ if ( newNodes.insert( node ).second )
+ myBaseP += SMESH_TNodeXYZ( node );
+ }
+ }
+ }
+ myBaseP /= newNodes.size();
+ }
}
//=======================================================================
const SMDS_MeshNode * newNode = mesh->AddNode( p.X(), p.Y(), p.Z() );
newNodes.push_back( newNode );
}
- return nbNodes;
-}
-//=======================================================================
-//function : ExtrusParam::makeNodesByDirAndSew
-//purpose : create nodes for standard extrusion with sewing
-//=======================================================================
+ if ( !myScales.empty() )
+ {
+ if ( makeMediumNodes && myMediumScales.empty() )
+ {
+ myMediumScales.resize( myScales.size() );
+ double prevFactor = 1.;
+ for ( size_t i = 0; i < myScales.size(); ++i )
+ {
+ myMediumScales[i] = 0.5 * ( prevFactor + myScales[i] );
+ prevFactor = myScales[i];
+ }
+ }
+ typedef std::vector<double>::iterator ScaleIt;
+ ScaleIt scales[] = { myScales.begin(), myMediumScales.begin() };
-int SMESH_MeshEditor::ExtrusParam::
+ size_t iSc = 0, nbScales = myScales.size() + myMediumScales.size();
+
+ gp_XYZ center = myBaseP;
+ std::list<const SMDS_MeshNode*>::iterator nIt = newNodes.begin();
+ size_t iN = 0;
+ for ( beginStepIter( makeMediumNodes ); moreSteps() && ( iN < nbScales ); ++nIt, ++iN )
+ {
+ center += myDir.XYZ() * nextStep();
+
+ iSc += int( makeMediumNodes );
+ ScaleIt& scale = scales[ iSc % 2 ];
+
+ gp_XYZ xyz = SMESH_TNodeXYZ( *nIt );
+ xyz = ( *scale * ( xyz - center )) + center;
+ mesh->MoveNode( *nIt, xyz.X(), xyz.Y(), xyz.Z() );
+
+ ++scale;
+ }
+ }
+ return nbNodes;
+}
+
+//=======================================================================
+//function : ExtrusParam::makeNodesByDirAndSew
+//purpose : create nodes for standard extrusion with sewing
+//=======================================================================
+
+int SMESH_MeshEditor::ExtrusParam::
makeNodesByDirAndSew( SMESHDS_Mesh* mesh,
const SMDS_MeshNode* srcNode,
std::list<const SMDS_MeshNode*> & newNodes,
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet & theElems,
+SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet theElems[2],
const gp_Vec& theStep,
const int theNbSteps,
TTElemOfElemListMap& newElemsMap,
const int theFlags,
const double theTolerance)
{
- ExtrusParam aParams( theStep, theNbSteps, theFlags, theTolerance );
+ ExtrusParam aParams( theStep, theNbSteps, std::list<double>(), 0, theFlags, theTolerance );
return ExtrusionSweep( theElems, aParams, newElemsMap );
}
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet & theElems,
+SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet theElemSets[2],
ExtrusParam& theParams,
TTElemOfElemListMap& newElemsMap)
{
// source elements for each generated one
SMESH_SequenceOfElemPtr srcElems, srcNodes;
- SMESHDS_Mesh* aMesh = GetMeshDS();
-
+ setElemsFirst( theElemSets );
const int nbSteps = theParams.NbSteps();
- theParams.SetElementsToUse( theElems );
+ theParams.SetElementsToUse( theElemSets[0], theElemSets[1] );
- TNodeOfNodeListMap mapNewNodes;
- //TNodeOfNodeVecMap mapNewNodes;
+ TNodeOfNodeListMap mapNewNodes;
TElemOfVecOfNnlmiMap mapElemNewNodes;
- //TElemOfVecOfMapNodesMap mapElemNewNodes;
const bool isQuadraticMesh = bool( myMesh->NbEdges(ORDER_QUADRATIC) +
myMesh->NbFaces(ORDER_QUADRATIC) +
myMesh->NbVolumes(ORDER_QUADRATIC) );
// loop on theElems
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
{
- // check element type
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() == SMDSAbs_Volume )
- continue;
+ TIDSortedElemSet& theElems = theElemSets[ is2ndSet ];
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ {
+ // check element type
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem || elem->GetType() == SMDSAbs_Volume )
+ continue;
- const size_t nbNodes = elem->NbNodes();
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( nbNodes );
+ const size_t nbNodes = elem->NbNodes();
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( nbNodes );
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
- {
- // check if a node has been already sweeped
- const SMDS_MeshNode* node = cast2Node( itN->next() );
- TNodeOfNodeListMap::iterator nIt =
- mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
- list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
- if ( listNewNodes.empty() )
+ // loop on elem nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
{
- // make new nodes
-
- // check if we are to create medium nodes between corner ones
- bool needMediumNodes = false;
- if ( isQuadraticMesh )
+ // check if a node has been already sweeped
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ TNodeOfNodeListMap::iterator nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
{
- SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
- while (it->more() && !needMediumNodes )
+ // make new nodes
+
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
{
- const SMDS_MeshElement* invElem = it->next();
- if ( invElem != elem && !theElems.count( invElem )) continue;
- needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
- if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
- needMediumNodes = true;
+ SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
+ while (it->more() && !needMediumNodes )
+ {
+ const SMDS_MeshElement* invElem = it->next();
+ if ( invElem != elem && !theElems.count( invElem )) continue;
+ needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
+ if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
+ needMediumNodes = true;
+ }
}
- }
- // create nodes for all steps
- if ( theParams.MakeNodes( GetMeshDS(), node, listNewNodes, needMediumNodes ))
- {
- list<const SMDS_MeshNode*>::iterator newNodesIt = listNewNodes.begin();
- for ( ; newNodesIt != listNewNodes.end(); ++newNodesIt )
+ // create nodes for all steps
+ if ( theParams.MakeNodes( GetMeshDS(), node, listNewNodes, needMediumNodes ))
{
- myLastCreatedNodes.Append( *newNodesIt );
- srcNodes.Append( node );
+ list<const SMDS_MeshNode*>::iterator newNodesIt = listNewNodes.begin();
+ for ( ; newNodesIt != listNewNodes.end(); ++newNodesIt )
+ {
+ myLastCreatedNodes.Append( *newNodesIt );
+ srcNodes.Append( node );
+ }
+ }
+ else
+ {
+ break; // newNodesItVec will be shorter than nbNodes
}
}
- else
- {
- break; // newNodesItVec will be shorter than nbNodes
- }
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ if ( newNodesItVec.size() == nbNodes )
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], nbSteps, srcElems );
}
- // make new elements
- if ( newNodesItVec.size() == nbNodes )
- sweepElement( elem, newNodesItVec, newElemsMap[elem], nbSteps, srcElems );
}
if ( theParams.ToMakeBoundary() ) {
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElems, nbSteps, srcElems );
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], nbSteps, srcElems );
}
PGroupIDs newGroupIDs;
if ( theParams.ToMakeGroups() )
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_subMesh* theTrack,
const SMDS_MeshNode* theN1,
const bool theHasAngles,
const gp_Pnt& theRefPoint,
const bool theMakeGroups)
{
- MESSAGE("ExtrusionAlongTrack");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
TNodeOfNodeListMap mapNewNodes;
// 1. Check data
- aNbE = theElements.size();
+ aNbE = theElements[0].size() + theElements[1].size();
// nothing to do
if ( !aNbE )
return EXTR_NO_ELEMENTS;
ASSERT( theTrack );
SMESHDS_SubMesh* pSubMeshDS = theTrack->GetSubMeshDS();
+ if ( !pSubMeshDS )
+ return ExtrusionAlongTrack( theElements, theTrack->GetFather(), theN1,
+ theHasAngles, theAngles, theLinearVariation,
+ theHasRefPoint, theRefPoint, theMakeGroups );
aItE = pSubMeshDS->GetElements();
while ( aItE->more() ) {
aPrms.push_back( aT );
}
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
+ makeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
} else if( aS.ShapeType() == TopAbs_WIRE ) {
list< SMESH_subMesh* > LSM;
TopTools_SequenceOfShape Edges;
}
list<SMESH_MeshEditor_PathPoint> LPP;
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
+ makeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
LLPPs.push_back(LPP);
UsedNums.Add(k);
- // update startN for search following egde
+ // update startN for search following edge
if( aN1->GetID() == startNid ) startNid = aN2->GetID();
else startNid = aN1->GetID();
break;
return EXTR_BAD_PATH_SHAPE;
}
- return MakeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
+ return makeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
theHasRefPoint, theRefPoint, theMakeGroups);
}
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_Mesh* theTrack,
const SMDS_MeshNode* theN1,
const bool theHasAngles,
TNodeOfNodeListMap mapNewNodes;
// 1. Check data
- aNbE = theElements.size();
+ aNbE = theElements[0].size() + theElements[1].size();
// nothing to do
if ( !aNbE )
return EXTR_NO_ELEMENTS;
}
conn = nbEdgeConnectivity(theN1);
- if(conn > 2)
+ if( conn != 1 )
return EXTR_PATH_NOT_EDGE;
aItE = theN1->GetInverseElementIterator();
return EXTR_PATH_NOT_EDGE;
TopTools_SequenceOfShape Edges;
- double x1,x2,y1,y2,z1,z2;
list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
int startNid = theN1->GetID();
- for(int i = 1; i < aNodesList.size(); i++) {
- x1 = aNodesList[i-1]->X();x2 = aNodesList[i]->X();
- y1 = aNodesList[i-1]->Y();y2 = aNodesList[i]->Y();
- z1 = aNodesList[i-1]->Z();z2 = aNodesList[i]->Z();
- TopoDS_Edge e = BRepBuilderAPI_MakeEdge(gp_Pnt(x1,y1,z1),gp_Pnt(x2,y2,z2));
+ for ( size_t i = 1; i < aNodesList.size(); i++ )
+ {
+ gp_Pnt p1 = SMESH_TNodeXYZ( aNodesList[i-1] );
+ gp_Pnt p2 = SMESH_TNodeXYZ( aNodesList[i] );
+ TopoDS_Edge e = BRepBuilderAPI_MakeEdge( p1, p2 );
list<SMESH_MeshEditor_PathPoint> LPP;
aPrms.clear();
- MakeEdgePathPoints(aPrms, e, (aNodesList[i-1]->GetID()==startNid), LPP);
+ makeEdgePathPoints(aPrms, e, (aNodesList[i-1]->GetID()==startNid), LPP);
LLPPs.push_back(LPP);
- if( aNodesList[i-1]->GetID() == startNid ) startNid = aNodesList[i]->GetID();
- else startNid = aNodesList[i-1]->GetID();
-
+ if ( aNodesList[i-1]->GetID() == startNid ) startNid = aNodesList[i ]->GetID();
+ else startNid = aNodesList[i-1]->GetID();
}
list< list<SMESH_MeshEditor_PathPoint> >::iterator itLLPP = LLPPs.begin();
PP2 = currList.front();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
- gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
- (D1.Z()+D2.Z())/2 ) );
+ gp_Dir Dnew( 0.5 * ( D1.XYZ() + D2.XYZ() ));
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
itPP++;
fullList.push_back(PP1);
} // Sub-shape for the Pattern must be an Edge or Wire
- else if( aS.ShapeType() == TopAbs_EDGE ) {
+ else if ( aS.ShapeType() == TopAbs_EDGE )
+ {
aTrackEdge = TopoDS::Edge( aS );
// the Edge must not be degenerated
if ( SMESH_Algo::isDegenerated( aTrackEdge ) )
aPrms.push_back( aT );
}
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
+ makeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
}
else if( aS.ShapeType() == TopAbs_WIRE ) {
list< SMESH_subMesh* > LSM;
}
list<SMESH_MeshEditor_PathPoint> LPP;
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge, aN1isOK, LPP);
+ makeEdgePathPoints(aPrms, aTrackEdge, aN1isOK, LPP);
LLPPs.push_back(LPP);
UsedNums.Add(k);
- // update startN for search following egde
+ // update startN for search following edge
if ( aN1isOK ) aVprev = aV2;
else aVprev = aV1;
break;
SMESH_MeshEditor_PathPoint PP2 = currList.front();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
- gp_Dir Dnew( ( D1.XYZ() + D2.XYZ() ) / 2 );
+ gp_Dir Dnew( D1.XYZ() + D2.XYZ() );
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
fullList.splice( fullList.end(), currList, ++currList.begin(), currList.end() );
return EXTR_BAD_PATH_SHAPE;
}
- return MakeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
+ return makeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
theHasRefPoint, theRefPoint, theMakeGroups);
}
//=======================================================================
-//function : MakeEdgePathPoints
-//purpose : auxilary for ExtrusionAlongTrack
+//function : makeEdgePathPoints
+//purpose : auxiliary for ExtrusionAlongTrack
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::MakeEdgePathPoints(std::list<double>& aPrms,
+SMESH_MeshEditor::makeEdgePathPoints(std::list<double>& aPrms,
const TopoDS_Edge& aTrackEdge,
bool FirstIsStart,
list<SMESH_MeshEditor_PathPoint>& LPP)
aL2 = aVec.SquareMagnitude();
if ( aL2 < aTolVec2 )
return EXTR_CANT_GET_TANGENT;
- gp_Dir aTgt( aVec );
+ gp_Dir aTgt( FirstIsStart ? aVec : -aVec );
aPP.SetPnt( aP3D );
aPP.SetTangent( aTgt );
aPP.SetParameter( aT );
//=======================================================================
-//function : MakeExtrElements
-//purpose : auxilary for ExtrusionAlongTrack
+//function : makeExtrElements
+//purpose : auxiliary for ExtrusionAlongTrack
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::MakeExtrElements(TIDSortedElemSet& theElements,
+SMESH_MeshEditor::makeExtrElements(TIDSortedElemSet theElemSets[2],
list<SMESH_MeshEditor_PathPoint>& fullList,
const bool theHasAngles,
list<double>& theAngles,
const bool theMakeGroups)
{
const int aNbTP = fullList.size();
+
// Angles
if( theHasAngles && !theAngles.empty() && theLinearVariation )
- LinearAngleVariation(aNbTP-1, theAngles);
+ linearAngleVariation(aNbTP-1, theAngles);
+
// fill vector of path points with angles
vector<SMESH_MeshEditor_PathPoint> aPPs;
list<SMESH_MeshEditor_PathPoint>::iterator itPP = fullList.begin();
gp_XYZ aGC( 0.,0.,0. );
TIDSortedElemSet newNodes;
- itElem = theElements.begin();
- for ( ; itElem != theElements.end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
-
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
- const SMDS_MeshElement* node = itN->next();
- if ( newNodes.insert( node ).second )
- aGC += SMESH_TNodeXYZ( node );
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElements = theElemSets[ is2ndSet ];
+ itElem = theElements.begin();
+ for ( ; itElem != theElements.end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshElement* node = itN->next();
+ if ( newNodes.insert( node ).second )
+ aGC += SMESH_TNodeXYZ( node );
+ }
}
}
aGC /= newNodes.size();
// 4. Processing the elements
SMESHDS_Mesh* aMesh = GetMeshDS();
+ list<const SMDS_MeshNode*> emptyList;
- for ( itElem = theElements.begin(); itElem != theElements.end(); itElem++ ) {
- // check element type
- const SMDS_MeshElement* elem = *itElem;
- SMDSAbs_ElementType aTypeE = elem->GetType();
- if ( !elem || ( aTypeE != SMDSAbs_Face && aTypeE != SMDSAbs_Edge ) )
- continue;
+ setElemsFirst( theElemSets );
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElements = theElemSets[ is2ndSet ];
+ for ( itElem = theElements.begin(); itElem != theElements.end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( elem->NbNodes() );
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( elem->NbNodes() );
- // loop on elem nodes
- int nodeIndex = -1;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
- {
- ++nodeIndex;
- // check if a node has been already processed
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>( itN->next() );
- TNodeOfNodeListMap::iterator nIt = mapNewNodes.find( node );
- if ( nIt == mapNewNodes.end() ) {
- nIt = mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ // loop on elem nodes
+ int nodeIndex = -1;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ ++nodeIndex;
+ // check if a node has been already processed
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ TNodeOfNodeListMap::iterator nIt = mapNewNodes.insert( make_pair( node, emptyList )).first;
list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
+ {
+ // make new nodes
+ Standard_Real aAngle1x, aAngleT1T0, aTolAng;
+ gp_Pnt aP0x, aP1x, aPN0, aPN1, aV0x, aV1x;
+ gp_Ax1 anAx1, anAxT1T0;
+ gp_Dir aDT1x, aDT0x, aDT1T0;
+
+ aTolAng=1.e-4;
+
+ aV0x = aV0;
+ aPN0 = SMESH_TNodeXYZ( node );
+
+ const SMESH_MeshEditor_PathPoint& aPP0 = aPPs[0];
+ aP0x = aPP0.Pnt();
+ aDT0x= aPP0.Tangent();
+
+ for ( int j = 1; j < aNbTP; ++j ) {
+ const SMESH_MeshEditor_PathPoint& aPP1 = aPPs[j];
+ aP1x = aPP1.Pnt();
+ aDT1x = aPP1.Tangent();
+ aAngle1x = aPP1.Angle();
+
+ gp_Trsf aTrsf, aTrsfRot, aTrsfRotT1T0;
+ // Translation
+ gp_Vec aV01x( aP0x, aP1x );
+ aTrsf.SetTranslation( aV01x );
+
+ // traslated point
+ aV1x = aV0x.Transformed( aTrsf );
+ aPN1 = aPN0.Transformed( aTrsf );
+
+ // rotation 1 [ T1,T0 ]
+ aAngleT1T0=-aDT1x.Angle( aDT0x );
+ if (fabs(aAngleT1T0) > aTolAng)
+ {
+ aDT1T0=aDT1x^aDT0x;
+ anAxT1T0.SetLocation( aV1x );
+ anAxT1T0.SetDirection( aDT1T0 );
+ aTrsfRotT1T0.SetRotation( anAxT1T0, aAngleT1T0 );
- // make new nodes
- Standard_Real aAngle1x, aAngleT1T0, aTolAng;
- gp_Pnt aP0x, aP1x, aPN0, aPN1, aV0x, aV1x;
- gp_Ax1 anAx1, anAxT1T0;
- gp_Dir aDT1x, aDT0x, aDT1T0;
-
- aTolAng=1.e-4;
-
- aV0x = aV0;
- aPN0 = SMESH_TNodeXYZ( node );
-
- const SMESH_MeshEditor_PathPoint& aPP0 = aPPs[0];
- aP0x = aPP0.Pnt();
- aDT0x= aPP0.Tangent();
- //cout<<"j = 0 PP: Pnt("<<aP0x.X()<<","<<aP0x.Y()<<","<<aP0x.Z()<<")"<<endl;
-
- for ( int j = 1; j < aNbTP; ++j ) {
- const SMESH_MeshEditor_PathPoint& aPP1 = aPPs[j];
- aP1x = aPP1.Pnt();
- aDT1x = aPP1.Tangent();
- aAngle1x = aPP1.Angle();
-
- gp_Trsf aTrsf, aTrsfRot, aTrsfRotT1T0;
- // Translation
- gp_Vec aV01x( aP0x, aP1x );
- aTrsf.SetTranslation( aV01x );
-
- // traslated point
- aV1x = aV0x.Transformed( aTrsf );
- aPN1 = aPN0.Transformed( aTrsf );
-
- // rotation 1 [ T1,T0 ]
- aAngleT1T0=-aDT1x.Angle( aDT0x );
- if (fabs(aAngleT1T0) > aTolAng) {
- aDT1T0=aDT1x^aDT0x;
- anAxT1T0.SetLocation( aV1x );
- anAxT1T0.SetDirection( aDT1T0 );
- aTrsfRotT1T0.SetRotation( anAxT1T0, aAngleT1T0 );
-
- aPN1 = aPN1.Transformed( aTrsfRotT1T0 );
- }
+ aPN1 = aPN1.Transformed( aTrsfRotT1T0 );
+ }
- // rotation 2
- if ( theHasAngles ) {
- anAx1.SetLocation( aV1x );
- anAx1.SetDirection( aDT1x );
- aTrsfRot.SetRotation( anAx1, aAngle1x );
+ // rotation 2
+ if ( theHasAngles ) {
+ anAx1.SetLocation( aV1x );
+ anAx1.SetDirection( aDT1x );
+ aTrsfRot.SetRotation( anAx1, aAngle1x );
- aPN1 = aPN1.Transformed( aTrsfRot );
- }
+ aPN1 = aPN1.Transformed( aTrsfRot );
+ }
- // make new node
- //MESSAGE("elem->IsQuadratic " << elem->IsQuadratic() << " " << elem->IsMediumNode(node));
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- // create additional node
- double x = ( aPN1.X() + aPN0.X() )/2.;
- double y = ( aPN1.Y() + aPN0.Y() )/2.;
- double z = ( aPN1.Z() + aPN0.Z() )/2.;
- const SMDS_MeshNode* newNode = aMesh->AddNode(x,y,z);
+ // make new node
+ if ( elem->IsQuadratic() && !elem->IsMediumNode(node) )
+ {
+ // create additional node
+ gp_XYZ midP = 0.5 * ( aPN1.XYZ() + aPN0.XYZ() );
+ const SMDS_MeshNode* newNode = aMesh->AddNode( midP.X(), midP.Y(), midP.Z() );
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ listNewNodes.push_back( newNode );
+ }
+ const SMDS_MeshNode* newNode = aMesh->AddNode( aPN1.X(), aPN1.Y(), aPN1.Z() );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
listNewNodes.push_back( newNode );
- }
- const SMDS_MeshNode* newNode = aMesh->AddNode( aPN1.X(), aPN1.Y(), aPN1.Z() );
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- aPN0 = aPN1;
- aP0x = aP1x;
- aV0x = aV1x;
- aDT0x = aDT1x;
+ aPN0 = aPN1;
+ aP0x = aP1x;
+ aV0x = aV1x;
+ aDT0x = aDT1x;
+ }
}
- }
-
- else {
- // if current elem is quadratic and current node is not medium
- // we have to check - may be it is needed to insert additional nodes
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
+ else if( elem->IsQuadratic() && !elem->IsMediumNode(node) )
+ {
+ // if current elem is quadratic and current node is not medium
+ // we have to check - may be it is needed to insert additional nodes
list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
- if(listNewNodes.size()==aNbTP-1) {
+ if ((int) listNewNodes.size() == aNbTP-1 )
+ {
vector<const SMDS_MeshNode*> aNodes(2*(aNbTP-1));
gp_XYZ P(node->X(), node->Y(), node->Z());
list< const SMDS_MeshNode* >::iterator it = listNewNodes.begin();
}
}
}
+
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], aNbTP-1, srcElems );
}
- // make new elements
- //sweepElement( aMesh, elem, newNodesItVec, newElemsMap[elem],
- // newNodesItVec[0]->second.size(), myLastCreatedElems );
- sweepElement( elem, newNodesItVec, newElemsMap[elem], aNbTP-1, srcElems );
}
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElements, aNbTP-1, srcElems );
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], aNbTP-1, srcElems );
if ( theMakeGroups )
generateGroups( srcNodes, srcElems, "extruded");
//=======================================================================
-//function : LinearAngleVariation
-//purpose : auxilary for ExtrusionAlongTrack
+//function : linearAngleVariation
+//purpose : spread values over nbSteps
//=======================================================================
-void SMESH_MeshEditor::LinearAngleVariation(const int nbSteps,
+
+void SMESH_MeshEditor::linearAngleVariation(const int nbSteps,
list<double>& Angles)
{
int nbAngles = Angles.size();
- if( nbSteps > nbAngles ) {
+ if( nbSteps > nbAngles && nbAngles > 0 )
+ {
vector<double> theAngles(nbAngles);
- list<double>::iterator it = Angles.begin();
- int i = -1;
- for(; it!=Angles.end(); it++) {
- i++;
- theAngles[i] = (*it);
- }
+ theAngles.assign( Angles.begin(), Angles.end() );
+
list<double> res;
double rAn2St = double( nbAngles ) / double( nbSteps );
double angPrev = 0, angle;
- for ( int iSt = 0; iSt < nbSteps; ++iSt ) {
+ for ( int iSt = 0; iSt < nbSteps; ++iSt )
+ {
double angCur = rAn2St * ( iSt+1 );
double angCurFloor = floor( angCur );
double angPrevFloor = floor( angPrev );
res.push_back(angle);
angPrev = angCur;
}
- Angles.clear();
- it = res.begin();
- for(; it!=res.end(); it++)
- Angles.push_back( *it );
+ Angles.swap( res );
}
}
string groupPostfix;
switch ( theTrsf.Form() ) {
case gp_PntMirror:
- MESSAGE("gp_PntMirror");
needReverse = true;
groupPostfix = "mirrored";
break;
case gp_Ax1Mirror:
- MESSAGE("gp_Ax1Mirror");
groupPostfix = "mirrored";
break;
case gp_Ax2Mirror:
- MESSAGE("gp_Ax2Mirror");
needReverse = true;
groupPostfix = "mirrored";
break;
case gp_Rotation:
- MESSAGE("gp_Rotation");
groupPostfix = "rotated";
break;
case gp_Translation:
- MESSAGE("gp_Translation");
groupPostfix = "translated";
break;
case gp_Scale:
- MESSAGE("gp_Scale");
groupPostfix = "scaled";
break;
case gp_CompoundTrsf: // different scale by axis
- MESSAGE("gp_CompoundTrsf");
groupPostfix = "scaled";
break;
default:
- MESSAGE("default");
needReverse = false;
groupPostfix = "transformed";
}
- SMESH_MeshEditor targetMeshEditor( theTargetMesh );
SMESHDS_Mesh* aTgtMesh = theTargetMesh ? theTargetMesh->GetMeshDS() : 0;
SMESHDS_Mesh* aMesh = GetMeshDS();
+ SMESH_MeshEditor targetMeshEditor( theTargetMesh );
+ SMESH_MeshEditor* editor = theTargetMesh ? & targetMeshEditor : theCopy ? this : 0;
+ SMESH_MeshEditor::ElemFeatures elemType;
// map old node to new one
TNodeNodeMap nodeMap;
// loop on elements to transform nodes : first orphan nodes then elems
TIDSortedElemSet::iterator itElem;
- TIDSortedElemSet *elements[] = {&orphanNode, &theElems };
+ TIDSortedElemSet *elements[] = { &orphanNode, &theElems };
for (int i=0; i<2; i++)
- for ( itElem = elements[i]->begin(); itElem != elements[i]->end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem )
- continue;
-
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
-
- const SMDS_MeshNode* node = cast2Node( itN->next() );
- // check if a node has been already transformed
- pair<TNodeNodeMap::iterator,bool> n2n_isnew =
- nodeMap.insert( make_pair ( node, node ));
- if ( !n2n_isnew.second )
+ for ( itElem = elements[i]->begin(); itElem != elements[i]->end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem )
continue;
+ // loop on elem nodes
double coord[3];
- coord[0] = node->X();
- coord[1] = node->Y();
- coord[2] = node->Z();
- theTrsf.Transforms( coord[0], coord[1], coord[2] );
- if ( theTargetMesh ) {
- const SMDS_MeshNode * newNode = aTgtMesh->AddNode( coord[0], coord[1], coord[2] );
- n2n_isnew.first->second = newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- }
- else if ( theCopy ) {
- const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- n2n_isnew.first->second = newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- }
- else {
- aMesh->MoveNode( node, coord[0], coord[1], coord[2] );
- // node position on shape becomes invalid
- const_cast< SMDS_MeshNode* > ( node )->SetPosition
- ( SMDS_SpacePosition::originSpacePosition() );
- }
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ // check if a node has been already transformed
+ pair<TNodeNodeMap::iterator,bool> n2n_isnew =
+ nodeMap.insert( make_pair ( node, node ));
+ if ( !n2n_isnew.second )
+ continue;
- // keep inverse elements
- if ( !theCopy && !theTargetMesh && needReverse ) {
- SMDS_ElemIteratorPtr invElemIt = node->GetInverseElementIterator();
- while ( invElemIt->more() ) {
- const SMDS_MeshElement* iel = invElemIt->next();
- inverseElemSet.insert( iel );
+ node->GetXYZ( coord );
+ theTrsf.Transforms( coord[0], coord[1], coord[2] );
+ if ( theTargetMesh ) {
+ const SMDS_MeshNode * newNode = aTgtMesh->AddNode( coord[0], coord[1], coord[2] );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ }
+ else if ( theCopy ) {
+ const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ }
+ else {
+ aMesh->MoveNode( node, coord[0], coord[1], coord[2] );
+ // node position on shape becomes invalid
+ const_cast< SMDS_MeshNode* > ( node )->SetPosition
+ ( SMDS_SpacePosition::originSpacePosition() );
+ }
+
+ // keep inverse elements
+ if ( !theCopy && !theTargetMesh && needReverse ) {
+ SMDS_ElemIteratorPtr invElemIt = node->GetInverseElementIterator();
+ while ( invElemIt->more() ) {
+ const SMDS_MeshElement* iel = invElemIt->next();
+ inverseElemSet.insert( iel );
+ }
}
}
- }
- }
+ } // loop on elems in { &orphanNode, &theElems };
// either create new elements or reverse mirrored ones
if ( !theCopy && !needReverse && !theTargetMesh )
return PGroupIDs();
- TIDSortedElemSet::iterator invElemIt = inverseElemSet.begin();
- for ( ; invElemIt != inverseElemSet.end(); invElemIt++ )
- theElems.insert( *invElemIt );
+ theElems.insert( inverseElemSet.begin(),inverseElemSet.end() );
// Replicate or reverse elements
std::vector<int> iForw;
+ vector<const SMDS_MeshNode*> nodes;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
{
const SMDS_MeshElement* elem = *itElem;
if ( !elem ) continue;
SMDSAbs_GeometryType geomType = elem->GetGeomType();
- int nbNodes = elem->NbNodes();
+ size_t nbNodes = elem->NbNodes();
if ( geomType == SMDSGeom_NONE ) continue; // node
- switch ( geomType ) {
+ nodes.resize( nbNodes );
- case SMDSGeom_POLYGON: // ---------------------- polygon
+ if ( geomType == SMDSGeom_POLYHEDRA ) // ------------------ polyhedral volume
+ {
+ const SMDS_VtkVolume* aPolyedre = dynamic_cast<const SMDS_VtkVolume*>( elem );
+ if (!aPolyedre)
+ continue;
+ nodes.clear();
+ bool allTransformed = true;
+ int nbFaces = aPolyedre->NbFaces();
+ for (int iface = 1; iface <= nbFaces && allTransformed; iface++)
{
- vector<const SMDS_MeshNode*> poly_nodes (nbNodes);
- int iNode = 0;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while (itN->more()) {
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>(itN->next());
+ int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ for (int inode = 1; inode <= nbFaceNodes && allTransformed; inode++)
+ {
+ const SMDS_MeshNode* node = aPolyedre->GetFaceNode(iface, inode);
TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
- if (nodeMapIt == nodeMap.end())
- break; // not all nodes transformed
- if (needReverse) {
- // reverse mirrored faces and volumes
- poly_nodes[nbNodes - iNode - 1] = (*nodeMapIt).second;
- } else {
- poly_nodes[iNode] = (*nodeMapIt).second;
- }
- iNode++;
- }
- if ( iNode != nbNodes )
- continue; // not all nodes transformed
-
- if ( theTargetMesh ) {
- myLastCreatedElems.Append(aTgtMesh->AddPolygonalFace(poly_nodes));
- srcElems.Append( elem );
- }
- else if ( theCopy ) {
- myLastCreatedElems.Append(aMesh->AddPolygonalFace(poly_nodes));
- srcElems.Append( elem );
- }
- else {
- aMesh->ChangePolygonNodes(elem, poly_nodes);
- }
- }
- break;
-
- case SMDSGeom_POLYHEDRA: // ------------------ polyhedral volume
- {
- const SMDS_VtkVolume* aPolyedre =
- dynamic_cast<const SMDS_VtkVolume*>( elem );
- if (!aPolyedre) {
- MESSAGE("Warning: bad volumic element");
- continue;
- }
-
- vector<const SMDS_MeshNode*> poly_nodes; poly_nodes.reserve( nbNodes );
- vector<int> quantities; quantities.reserve( nbNodes );
-
- bool allTransformed = true;
- int nbFaces = aPolyedre->NbFaces();
- for (int iface = 1; iface <= nbFaces && allTransformed; iface++) {
- int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- for (int inode = 1; inode <= nbFaceNodes && allTransformed; inode++) {
- const SMDS_MeshNode* node = aPolyedre->GetFaceNode(iface, inode);
- TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
- if (nodeMapIt == nodeMap.end()) {
- allTransformed = false; // not all nodes transformed
- } else {
- poly_nodes.push_back((*nodeMapIt).second);
- }
- if ( needReverse && allTransformed )
- std::reverse( poly_nodes.end() - nbFaceNodes, poly_nodes.end() );
- }
- quantities.push_back(nbFaceNodes);
- }
- if ( !allTransformed )
- continue; // not all nodes transformed
-
- if ( theTargetMesh ) {
- myLastCreatedElems.Append(aTgtMesh->AddPolyhedralVolume(poly_nodes, quantities));
- srcElems.Append( elem );
- }
- else if ( theCopy ) {
- myLastCreatedElems.Append(aMesh->AddPolyhedralVolume(poly_nodes, quantities));
- srcElems.Append( elem );
- }
- else {
- aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
- }
- }
- break;
-
- case SMDSGeom_BALL: // -------------------- Ball
- {
- if ( !theCopy && !theTargetMesh ) continue;
-
- TNodeNodeMap::iterator nodeMapIt = nodeMap.find( elem->GetNode(0) );
- if (nodeMapIt == nodeMap.end())
- continue; // not all nodes transformed
-
- double diameter = static_cast<const SMDS_BallElement*>(elem)->GetDiameter();
- if ( theTargetMesh ) {
- myLastCreatedElems.Append(aTgtMesh->AddBall( nodeMapIt->second, diameter ));
- srcElems.Append( elem );
- }
- else {
- myLastCreatedElems.Append(aMesh->AddBall( nodeMapIt->second, diameter ));
- srcElems.Append( elem );
+ if ( nodeMapIt == nodeMap.end() )
+ allTransformed = false; // not all nodes transformed
+ else
+ nodes.push_back((*nodeMapIt).second);
}
+ if ( needReverse && allTransformed )
+ std::reverse( nodes.end() - nbFaceNodes, nodes.end() );
}
- break;
-
- default: // ----------------------- Regular elements
-
+ if ( !allTransformed )
+ continue; // not all nodes transformed
+ }
+ else // ----------------------- the rest element types
+ {
while ( iForw.size() < nbNodes ) iForw.push_back( iForw.size() );
- const std::vector<int>& iRev = SMDS_MeshCell::reverseSmdsOrder( elem->GetEntityType() );
- const std::vector<int>& i = needReverse ? iRev : iForw;
+ const vector<int>& iRev = SMDS_MeshCell::reverseSmdsOrder( elem->GetEntityType(), nbNodes );
+ const vector<int>& i = needReverse ? iRev : iForw;
// find transformed nodes
- vector<const SMDS_MeshNode*> nodes(nbNodes);
- int iNode = 0;
+ size_t iNode = 0;
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
while ( itN->more() ) {
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>( itN->next() );
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( itN->next() );
TNodeNodeMap::iterator nodeMapIt = nodeMap.find( node );
if ( nodeMapIt == nodeMap.end() )
break; // not all nodes transformed
}
if ( iNode != nbNodes )
continue; // not all nodes transformed
+ }
- if ( theTargetMesh ) {
- if ( SMDS_MeshElement* copy =
- targetMeshEditor.AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
- myLastCreatedElems.Append( copy );
- srcElems.Append( elem );
- }
- }
- else if ( theCopy ) {
- if ( AddElement( nodes, elem->GetType(), elem->IsPoly() ))
- srcElems.Append( elem );
- }
- else {
- // reverse element as it was reversed by transformation
- if ( nbNodes > 2 )
- aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
- }
- } // switch ( geomType )
+ if ( editor ) {
+ // copy in this or a new mesh
+ if ( editor->AddElement( nodes, elemType.Init( elem, /*basicOnly=*/false )))
+ srcElems.Append( elem );
+ }
+ else {
+ // reverse element as it was reversed by transformation
+ if ( nbNodes > 2 )
+ aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
+ }
} // loop on elements
+ if ( editor && editor != this )
+ myLastCreatedElems = editor->myLastCreatedElems;
+
PGroupIDs newGroupIDs;
if ( ( theMakeGroups && theCopy ) ||
//================================================================================
/*!
- * \brief Return list of group of nodes close to each other within theTolerance
- * Search among theNodes or in the whole mesh if theNodes is empty using
- * an Octree algorithm
+ * * \brief Return list of group of nodes close to each other within theTolerance
+ * * Search among theNodes or in the whole mesh if theNodes is empty using
+ * * an Octree algorithm
+ * \param [in,out] theNodes - the nodes to treat
+ * \param [in] theTolerance - the tolerance
+ * \param [out] theGroupsOfNodes - the result groups of coincident nodes
+ * \param [in] theSeparateCornersAndMedium - if \c true, in quadratic mesh puts
+ * corner and medium nodes in separate groups
*/
//================================================================================
void SMESH_MeshEditor::FindCoincidentNodes (TIDSortedNodeSet & theNodes,
const double theTolerance,
- TListOfListOfNodes & theGroupsOfNodes)
+ TListOfListOfNodes & theGroupsOfNodes,
+ bool theSeparateCornersAndMedium)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- if ( theNodes.empty() )
- { // get all nodes in the mesh
+ if ( myMesh->NbEdges ( ORDER_QUADRATIC ) +
+ myMesh->NbFaces ( ORDER_QUADRATIC ) +
+ myMesh->NbVolumes( ORDER_QUADRATIC ) == 0 )
+ theSeparateCornersAndMedium = false;
+
+ TIDSortedNodeSet& corners = theNodes;
+ TIDSortedNodeSet medium;
+
+ if ( theNodes.empty() ) // get all nodes in the mesh
+ {
+ TIDSortedNodeSet* nodes[2] = { &corners, &medium };
SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator(/*idInceasingOrder=*/true);
- while ( nIt->more() )
- theNodes.insert( theNodes.end(),nIt->next());
+ if ( theSeparateCornersAndMedium )
+ while ( nIt->more() )
+ {
+ const SMDS_MeshNode* n = nIt->next();
+ TIDSortedNodeSet* & nodeSet = nodes[ SMESH_MesherHelper::IsMedium( n )];
+ nodeSet->insert( nodeSet->end(), n );
+ }
+ else
+ while ( nIt->more() )
+ theNodes.insert( theNodes.end(), nIt->next() );
+ }
+ else if ( theSeparateCornersAndMedium ) // separate corners from medium nodes
+ {
+ TIDSortedNodeSet::iterator nIt = corners.begin();
+ while ( nIt != corners.end() )
+ if ( SMESH_MesherHelper::IsMedium( *nIt ))
+ {
+ medium.insert( medium.end(), *nIt );
+ corners.erase( nIt++ );
+ }
+ else
+ {
+ ++nIt;
+ }
}
- SMESH_OctreeNode::FindCoincidentNodes ( theNodes, &theGroupsOfNodes, theTolerance);
+ if ( !corners.empty() )
+ SMESH_OctreeNode::FindCoincidentNodes ( corners, &theGroupsOfNodes, theTolerance );
+ if ( !medium.empty() )
+ SMESH_OctreeNode::FindCoincidentNodes ( medium, &theGroupsOfNodes, theTolerance );
}
//=======================================================================
//function : SimplifyFace
-//purpose :
+//purpose : split a chain of nodes into several closed chains
//=======================================================================
int SMESH_MeshEditor::SimplifyFace (const vector<const SMDS_MeshNode *>& faceNodes,
vector<int>& quantities) const
{
int nbNodes = faceNodes.size();
-
- if (nbNodes < 3)
+ while ( faceNodes[ 0 ] == faceNodes[ nbNodes-1 ] && nbNodes > 2 )
+ --nbNodes;
+ if ( nbNodes < 3 )
return 0;
+ size_t prevNbQuant = quantities.size();
- set<const SMDS_MeshNode*> nodeSet;
-
- // get simple seq of nodes
- //const SMDS_MeshNode* simpleNodes[ nbNodes ];
- vector<const SMDS_MeshNode*> simpleNodes( nbNodes );
- int iSimple = 0, nbUnique = 0;
+ vector< const SMDS_MeshNode* > simpleNodes; simpleNodes.reserve( nbNodes );
+ map< const SMDS_MeshNode*, int > nodeIndices; // indices within simpleNodes
+ map< const SMDS_MeshNode*, int >::iterator nInd;
- simpleNodes[iSimple++] = faceNodes[0];
- nbUnique++;
- for (int iCur = 1; iCur < nbNodes; iCur++) {
- if (faceNodes[iCur] != simpleNodes[iSimple - 1]) {
- simpleNodes[iSimple++] = faceNodes[iCur];
- if (nodeSet.insert( faceNodes[iCur] ).second)
- nbUnique++;
- }
- }
- int nbSimple = iSimple;
- if (simpleNodes[nbSimple - 1] == simpleNodes[0]) {
- nbSimple--;
- iSimple--;
- }
-
- if (nbUnique < 3)
- return 0;
-
- // separate loops
- int nbNew = 0;
- bool foundLoop = (nbSimple > nbUnique);
- while (foundLoop) {
- foundLoop = false;
- set<const SMDS_MeshNode*> loopSet;
- for (iSimple = 0; iSimple < nbSimple && !foundLoop; iSimple++) {
- const SMDS_MeshNode* n = simpleNodes[iSimple];
- if (!loopSet.insert( n ).second) {
- foundLoop = true;
-
- // separate loop
- int iC = 0, curLast = iSimple;
- for (; iC < curLast; iC++) {
- if (simpleNodes[iC] == n) break;
- }
- int loopLen = curLast - iC;
- if (loopLen > 2) {
- // create sub-element
- nbNew++;
- quantities.push_back(loopLen);
- for (; iC < curLast; iC++) {
- poly_nodes.push_back(simpleNodes[iC]);
- }
- }
- // shift the rest nodes (place from the first loop position)
- for (iC = curLast + 1; iC < nbSimple; iC++) {
- simpleNodes[iC - loopLen] = simpleNodes[iC];
+ nodeIndices.insert( make_pair( faceNodes[0], 0 ));
+ simpleNodes.push_back( faceNodes[0] );
+ for ( int iCur = 1; iCur < nbNodes; iCur++ )
+ {
+ if ( faceNodes[ iCur ] != simpleNodes.back() )
+ {
+ int index = simpleNodes.size();
+ nInd = nodeIndices.insert( make_pair( faceNodes[ iCur ], index )).first;
+ int prevIndex = nInd->second;
+ if ( prevIndex < index )
+ {
+ // a sub-loop found
+ int loopLen = index - prevIndex;
+ if ( loopLen > 2 )
+ {
+ // store the sub-loop
+ quantities.push_back( loopLen );
+ for ( int i = prevIndex; i < index; i++ )
+ poly_nodes.push_back( simpleNodes[ i ]);
}
- nbSimple -= loopLen;
- iSimple -= loopLen;
+ simpleNodes.resize( prevIndex+1 );
}
- } // for (iSimple = 0; iSimple < nbSimple; iSimple++)
- } // while (foundLoop)
+ else
+ {
+ simpleNodes.push_back( faceNodes[ iCur ]);
+ }
+ }
+ }
- if (iSimple > 2) {
- nbNew++;
- quantities.push_back(iSimple);
- for (int i = 0; i < iSimple; i++)
- poly_nodes.push_back(simpleNodes[i]);
+ if ( simpleNodes.size() > 2 )
+ {
+ quantities.push_back( simpleNodes.size() );
+ poly_nodes.insert ( poly_nodes.end(), simpleNodes.begin(), simpleNodes.end() );
}
- return nbNew;
+ return quantities.size() - prevNbQuant;
}
//=======================================================================
// in all elements.
//=======================================================================
-void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
+void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes,
+ const bool theAvoidMakingHoles)
{
- MESSAGE("MergeNodes");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- SMESHDS_Mesh* aMesh = GetMeshDS();
+ SMESHDS_Mesh* mesh = GetMeshDS();
TNodeNodeMap nodeNodeMap; // node to replace - new node
set<const SMDS_MeshElement*> elems; // all elements with changed nodes
list< int > rmElemIds, rmNodeIds;
+ vector< ElemFeatures > newElemDefs;
// Fill nodeNodeMap and elems
TListOfListOfNodes::iterator grIt = theGroupsOfNodes.begin();
- for ( ; grIt != theGroupsOfNodes.end(); grIt++ ) {
+ for ( ; grIt != theGroupsOfNodes.end(); grIt++ )
+ {
list<const SMDS_MeshNode*>& nodes = *grIt;
list<const SMDS_MeshNode*>::iterator nIt = nodes.begin();
const SMDS_MeshNode* nToKeep = *nIt;
- //MESSAGE("node to keep " << nToKeep->GetID());
- for ( ++nIt; nIt != nodes.end(); nIt++ ) {
+ for ( ++nIt; nIt != nodes.end(); nIt++ )
+ {
const SMDS_MeshNode* nToRemove = *nIt;
- nodeNodeMap.insert( TNodeNodeMap::value_type( nToRemove, nToKeep ));
- if ( nToRemove != nToKeep ) {
- //MESSAGE(" node to remove " << nToRemove->GetID());
- rmNodeIds.push_back( nToRemove->GetID() );
- AddToSameGroups( nToKeep, nToRemove, aMesh );
- // set _alwaysComputed to a sub-mesh of VERTEX to enable mesh computing
- // after MergeNodes() w/o creating node in place of merged ones.
- const SMDS_PositionPtr& pos = nToRemove->GetPosition();
- if ( pos && pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
- if ( SMESH_subMesh* sm = myMesh->GetSubMeshContaining( nToRemove->getshapeId() ))
- sm->SetIsAlwaysComputed( true );
- }
-
+ nodeNodeMap.insert( make_pair( nToRemove, nToKeep ));
SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
while ( invElemIt->more() ) {
const SMDS_MeshElement* elem = invElemIt->next();
}
}
}
- // Change element nodes or remove an element
- set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
- for ( ; eIt != elems.end(); eIt++ ) {
- const SMDS_MeshElement* elem = *eIt;
- //MESSAGE(" ---- inverse elem on node to remove " << elem->GetID());
- int nbNodes = elem->NbNodes();
- int aShapeId = FindShape( elem );
+ // Apply recursive replacements (BUG 0020185)
+ TNodeNodeMap::iterator nnIt = nodeNodeMap.begin();
+ for ( ; nnIt != nodeNodeMap.end(); ++nnIt )
+ {
+ const SMDS_MeshNode* nToKeep = nnIt->second;
+ TNodeNodeMap::iterator nnIt_i = nodeNodeMap.find( nToKeep );
+ while ( nnIt_i != nodeNodeMap.end() && nnIt_i->second != nnIt->second )
+ nToKeep = nnIt_i->second;
+ nnIt->second = nToKeep;
+ }
- set<const SMDS_MeshNode*> nodeSet;
- vector< const SMDS_MeshNode*> curNodes( nbNodes ), uniqueNodes( nbNodes );
- int iUnique = 0, iCur = 0, nbRepl = 0;
- vector<int> iRepl( nbNodes );
+ if ( theAvoidMakingHoles )
+ {
+ // find elements whose topology changes
- // get new seq of nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( itN->next() );
-
- TNodeNodeMap::iterator nnIt = nodeNodeMap.find( n );
- if ( nnIt != nodeNodeMap.end() ) { // n sticks
- n = (*nnIt).second;
- // BUG 0020185: begin
+ vector<const SMDS_MeshElement*> pbElems;
+ set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
+ for ( ; eIt != elems.end(); ++eIt )
+ {
+ const SMDS_MeshElement* elem = *eIt;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( itN->next() );
+ TNodeNodeMap::iterator nnIt = nodeNodeMap.find( n );
+ if ( nnIt != nodeNodeMap.end() && elem->GetNodeIndex( nnIt->second ) >= 0 )
{
- bool stopRecur = false;
- set<const SMDS_MeshNode*> nodesRecur;
- nodesRecur.insert(n);
- while (!stopRecur) {
- TNodeNodeMap::iterator nnIt_i = nodeNodeMap.find( n );
- if ( nnIt_i != nodeNodeMap.end() ) { // n sticks
- n = (*nnIt_i).second;
- if (!nodesRecur.insert(n).second) {
- // error: recursive dependancy
- stopRecur = true;
- }
- }
- else
- stopRecur = true;
- }
+ // several nodes of elem stick
+ pbElems.push_back( elem );
+ break;
}
- // BUG 0020185: end
}
- curNodes[ iCur ] = n;
- bool isUnique = nodeSet.insert( n ).second;
- if ( isUnique )
- uniqueNodes[ iUnique++ ] = n;
- else
- iRepl[ nbRepl++ ] = iCur;
- iCur++;
}
+ // exclude from merge nodes causing spoiling element
+ for ( size_t iLoop = 0; iLoop < pbElems.size(); ++iLoop ) // avoid infinite cycle
+ {
+ bool nodesExcluded = false;
+ for ( size_t i = 0; i < pbElems.size(); ++i )
+ {
+ size_t prevNbMergeNodes = nodeNodeMap.size();
+ if ( !applyMerge( pbElems[i], newElemDefs, nodeNodeMap, /*noHoles=*/true ) &&
+ prevNbMergeNodes < nodeNodeMap.size() )
+ nodesExcluded = true;
+ }
+ if ( !nodesExcluded )
+ break;
+ }
+ }
- // Analyse element topology after replacement
+ for ( nnIt = nodeNodeMap.begin(); nnIt != nodeNodeMap.end(); ++nnIt )
+ {
+ const SMDS_MeshNode* nToRemove = nnIt->first;
+ const SMDS_MeshNode* nToKeep = nnIt->second;
+ if ( nToRemove != nToKeep )
+ {
+ rmNodeIds.push_back( nToRemove->GetID() );
+ AddToSameGroups( nToKeep, nToRemove, mesh );
+ // set _alwaysComputed to a sub-mesh of VERTEX to enable further mesh computing
+ // w/o creating node in place of merged ones.
+ const SMDS_PositionPtr& pos = nToRemove->GetPosition();
+ if ( pos && pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
+ if ( SMESH_subMesh* sm = myMesh->GetSubMeshContaining( nToRemove->getshapeId() ))
+ sm->SetIsAlwaysComputed( true );
+ }
+ }
- bool isOk = true;
- int nbUniqueNodes = nodeSet.size();
- //MESSAGE("nbNodes nbUniqueNodes " << nbNodes << " " << nbUniqueNodes);
- if ( nbNodes != nbUniqueNodes ) { // some nodes stick
- // Polygons and Polyhedral volumes
- if (elem->IsPoly()) {
+ // Change element nodes or remove an element
- if (elem->GetType() == SMDSAbs_Face) {
- // Polygon
- vector<const SMDS_MeshNode *> face_nodes (nbNodes);
- int inode = 0;
- for (; inode < nbNodes; inode++) {
- face_nodes[inode] = curNodes[inode];
- }
+ set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
+ for ( ; eIt != elems.end(); eIt++ )
+ {
+ const SMDS_MeshElement* elem = *eIt;
+ SMESHDS_SubMesh* sm = mesh->MeshElements( elem->getshapeId() );
- vector<const SMDS_MeshNode *> polygons_nodes;
- vector<int> quantities;
- int nbNew = SimplifyFace(face_nodes, polygons_nodes, quantities);
- if (nbNew > 0) {
- inode = 0;
- for (int iface = 0; iface < nbNew; iface++) {
- int nbNodes = quantities[iface];
- vector<const SMDS_MeshNode *> poly_nodes (nbNodes);
- for (int ii = 0; ii < nbNodes; ii++, inode++) {
- poly_nodes[ii] = polygons_nodes[inode];
- }
- SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
- myLastCreatedElems.Append(newElem);
- if (aShapeId)
- aMesh->SetMeshElementOnShape(newElem, aShapeId);
- }
-
- MESSAGE("ChangeElementNodes MergeNodes Polygon");
- //aMesh->ChangeElementNodes(elem, &polygons_nodes[inode], quantities[nbNew - 1]);
- vector<const SMDS_MeshNode *> polynodes(polygons_nodes.begin()+inode,polygons_nodes.end());
- int quid =0;
- if (nbNew > 0) quid = nbNew - 1;
- vector<int> newquant(quantities.begin()+quid, quantities.end());
- const SMDS_MeshElement* newElem = 0;
- newElem = aMesh->AddPolyhedralVolume(polynodes, newquant);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- rmElemIds.push_back(elem->GetID());
- }
- else {
- rmElemIds.push_back(elem->GetID());
- }
+ bool keepElem = applyMerge( elem, newElemDefs, nodeNodeMap, /*noHoles=*/false );
+ if ( !keepElem )
+ rmElemIds.push_back( elem->GetID() );
+ for ( size_t i = 0; i < newElemDefs.size(); ++i )
+ {
+ if ( i > 0 || !mesh->ChangeElementNodes( elem,
+ & newElemDefs[i].myNodes[0],
+ newElemDefs[i].myNodes.size() ))
+ {
+ if ( i == 0 )
+ {
+ newElemDefs[i].SetID( elem->GetID() );
+ mesh->RemoveFreeElement(elem, sm, /*fromGroups=*/false);
+ if ( !keepElem ) rmElemIds.pop_back();
}
- else if (elem->GetType() == SMDSAbs_Volume) {
- // Polyhedral volume
- if (nbUniqueNodes < 4) {
- rmElemIds.push_back(elem->GetID());
- }
- else {
- // each face has to be analyzed in order to check volume validity
- const SMDS_VtkVolume* aPolyedre =
- dynamic_cast<const SMDS_VtkVolume*>( elem );
- if (aPolyedre) {
- int nbFaces = aPolyedre->NbFaces();
-
- vector<const SMDS_MeshNode *> poly_nodes;
- vector<int> quantities;
-
- for (int iface = 1; iface <= nbFaces; iface++) {
- int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- vector<const SMDS_MeshNode *> faceNodes (nbFaceNodes);
-
- for (int inode = 1; inode <= nbFaceNodes; inode++) {
- const SMDS_MeshNode * faceNode = aPolyedre->GetFaceNode(iface, inode);
- TNodeNodeMap::iterator nnIt = nodeNodeMap.find(faceNode);
- if (nnIt != nodeNodeMap.end()) { // faceNode sticks
- faceNode = (*nnIt).second;
- }
- faceNodes[inode - 1] = faceNode;
- }
+ else
+ {
+ newElemDefs[i].SetID( -1 );
+ }
+ SMDS_MeshElement* newElem = this->AddElement( newElemDefs[i].myNodes, newElemDefs[i] );
+ if ( sm && newElem )
+ sm->AddElement( newElem );
+ if ( elem != newElem )
+ ReplaceElemInGroups( elem, newElem, mesh );
+ }
+ }
+ }
- SimplifyFace(faceNodes, poly_nodes, quantities);
- }
+ // Remove bad elements, then equal nodes (order important)
+ Remove( rmElemIds, /*isNodes=*/false );
+ Remove( rmNodeIds, /*isNodes=*/true );
- if (quantities.size() > 3) {
- // to be done: remove coincident faces
- }
+ return;
+}
- if (quantities.size() > 3)
- {
- MESSAGE("ChangeElementNodes MergeNodes Polyhedron");
- //aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
- const SMDS_MeshElement* newElem = 0;
- newElem = aMesh->AddPolyhedralVolume(poly_nodes, quantities);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- rmElemIds.push_back(elem->GetID());
- }
- }
- else {
- rmElemIds.push_back(elem->GetID());
- }
- }
- }
- else {
- }
+//=======================================================================
+//function : applyMerge
+//purpose : Compute new connectivity of an element after merging nodes
+// \param [in] elems - the element
+// \param [out] newElemDefs - definition(s) of result element(s)
+// \param [inout] nodeNodeMap - nodes to merge
+// \param [in] avoidMakingHoles - if true and and the element becomes invalid
+// after merging (but not degenerated), removes nodes causing
+// the invalidity from \a nodeNodeMap.
+// \return bool - true if the element should be removed
+//=======================================================================
- continue;
- } // poly element
-
- // Regular elements
- // TODO not all the possible cases are solved. Find something more generic?
- switch ( nbNodes ) {
- case 2: ///////////////////////////////////// EDGE
- isOk = false; break;
- case 3: ///////////////////////////////////// TRIANGLE
- isOk = false; break;
- case 4:
- if ( elem->GetType() == SMDSAbs_Volume ) // TETRAHEDRON
- isOk = false;
- else { //////////////////////////////////// QUADRANGLE
- if ( nbUniqueNodes < 3 )
- isOk = false;
- else if ( nbRepl == 2 && iRepl[ 1 ] - iRepl[ 0 ] == 2 )
- isOk = false; // opposite nodes stick
- //MESSAGE("isOk " << isOk);
- }
- break;
- case 6: ///////////////////////////////////// PENTAHEDRON
- if ( nbUniqueNodes == 4 ) {
- // ---------------------------------> tetrahedron
- if (nbRepl == 3 &&
- iRepl[ 0 ] > 2 && iRepl[ 1 ] > 2 && iRepl[ 2 ] > 2 ) {
- // all top nodes stick: reverse a bottom
- uniqueNodes[ 0 ] = curNodes [ 1 ];
- uniqueNodes[ 1 ] = curNodes [ 0 ];
- }
- else if (nbRepl == 3 &&
- iRepl[ 0 ] < 3 && iRepl[ 1 ] < 3 && iRepl[ 2 ] < 3 ) {
- // all bottom nodes stick: set a top before
- uniqueNodes[ 3 ] = uniqueNodes [ 0 ];
- uniqueNodes[ 0 ] = curNodes [ 3 ];
- uniqueNodes[ 1 ] = curNodes [ 4 ];
- uniqueNodes[ 2 ] = curNodes [ 5 ];
- }
- else if (nbRepl == 4 &&
- iRepl[ 2 ] - iRepl [ 0 ] == 3 && iRepl[ 3 ] - iRepl [ 1 ] == 3 ) {
- // a lateral face turns into a line: reverse a bottom
- uniqueNodes[ 0 ] = curNodes [ 1 ];
- uniqueNodes[ 1 ] = curNodes [ 0 ];
- }
- else
- isOk = false;
- }
- else if ( nbUniqueNodes == 5 ) {
- // PENTAHEDRON --------------------> 2 tetrahedrons
- if ( nbRepl == 2 && iRepl[ 1 ] - iRepl [ 0 ] == 3 ) {
- // a bottom node sticks with a linked top one
- // 1.
- SMDS_MeshElement* newElem =
- aMesh->AddVolume(curNodes[ 3 ],
- curNodes[ 4 ],
- curNodes[ 5 ],
- curNodes[ iRepl[ 0 ] == 2 ? 1 : 2 ]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- // 2. : reverse a bottom
- uniqueNodes[ 0 ] = curNodes [ 1 ];
- uniqueNodes[ 1 ] = curNodes [ 0 ];
- nbUniqueNodes = 4;
- }
- else
- isOk = false;
- }
- else
- isOk = false;
- break;
- case 8: {
- if(elem->IsQuadratic()) { // Quadratic quadrangle
- // 1 5 2
- // +---+---+
- // | |
- // | |
- // 4+ +6
- // | |
- // | |
- // +---+---+
- // 0 7 3
- isOk = false;
- if(nbRepl==2) {
- MESSAGE("nbRepl=2: " << iRepl[0] << " " << iRepl[1]);
- }
- if(nbRepl==3) {
- MESSAGE("nbRepl=3: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2]);
- nbUniqueNodes = 6;
- if( iRepl[0]==0 && iRepl[1]==1 && iRepl[2]==4 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[2];
- uniqueNodes[2] = curNodes[3];
- uniqueNodes[3] = curNodes[5];
- uniqueNodes[4] = curNodes[6];
- uniqueNodes[5] = curNodes[7];
- isOk = true;
- }
- if( iRepl[0]==0 && iRepl[1]==3 && iRepl[2]==7 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[1];
- uniqueNodes[2] = curNodes[2];
- uniqueNodes[3] = curNodes[4];
- uniqueNodes[4] = curNodes[5];
- uniqueNodes[5] = curNodes[6];
- isOk = true;
- }
- if( iRepl[0]==0 && iRepl[1]==4 && iRepl[2]==7 ) {
- uniqueNodes[0] = curNodes[1];
- uniqueNodes[1] = curNodes[2];
- uniqueNodes[2] = curNodes[3];
- uniqueNodes[3] = curNodes[5];
- uniqueNodes[4] = curNodes[6];
- uniqueNodes[5] = curNodes[0];
- isOk = true;
- }
- if( iRepl[0]==1 && iRepl[1]==2 && iRepl[2]==5 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[1];
- uniqueNodes[2] = curNodes[3];
- uniqueNodes[3] = curNodes[4];
- uniqueNodes[4] = curNodes[6];
- uniqueNodes[5] = curNodes[7];
- isOk = true;
- }
- if( iRepl[0]==1 && iRepl[1]==4 && iRepl[2]==5 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[2];
- uniqueNodes[2] = curNodes[3];
- uniqueNodes[3] = curNodes[1];
- uniqueNodes[4] = curNodes[6];
- uniqueNodes[5] = curNodes[7];
- isOk = true;
- }
- if( iRepl[0]==2 && iRepl[1]==3 && iRepl[2]==6 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[1];
- uniqueNodes[2] = curNodes[2];
- uniqueNodes[3] = curNodes[4];
- uniqueNodes[4] = curNodes[5];
- uniqueNodes[5] = curNodes[7];
- isOk = true;
- }
- if( iRepl[0]==2 && iRepl[1]==5 && iRepl[2]==6 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[1];
- uniqueNodes[2] = curNodes[3];
- uniqueNodes[3] = curNodes[4];
- uniqueNodes[4] = curNodes[2];
- uniqueNodes[5] = curNodes[7];
- isOk = true;
- }
- if( iRepl[0]==3 && iRepl[1]==6 && iRepl[2]==7 ) {
- uniqueNodes[0] = curNodes[0];
- uniqueNodes[1] = curNodes[1];
- uniqueNodes[2] = curNodes[2];
- uniqueNodes[3] = curNodes[4];
- uniqueNodes[4] = curNodes[5];
- uniqueNodes[5] = curNodes[3];
- isOk = true;
- }
- }
- if(nbRepl==4) {
- MESSAGE("nbRepl=4: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2] << " " << iRepl[3]);
- }
- if(nbRepl==5) {
- MESSAGE("nbRepl=5: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2] << " " << iRepl[3] << " " << iRepl[4]);
+bool SMESH_MeshEditor::applyMerge( const SMDS_MeshElement* elem,
+ vector< ElemFeatures >& newElemDefs,
+ TNodeNodeMap& nodeNodeMap,
+ const bool avoidMakingHoles )
+{
+ bool toRemove = false; // to remove elem
+ int nbResElems = 1; // nb new elements
+
+ newElemDefs.resize(nbResElems);
+ newElemDefs[0].Init( elem );
+ newElemDefs[0].myNodes.clear();
+
+ set<const SMDS_MeshNode*> nodeSet;
+ vector< const SMDS_MeshNode*> curNodes;
+ vector< const SMDS_MeshNode*> & uniqueNodes = newElemDefs[0].myNodes;
+ vector<int> iRepl;
+
+ const int nbNodes = elem->NbNodes();
+ SMDSAbs_EntityType entity = elem->GetEntityType();
+
+ curNodes.resize( nbNodes );
+ uniqueNodes.resize( nbNodes );
+ iRepl.resize( nbNodes );
+ int iUnique = 0, iCur = 0, nbRepl = 0;
+
+ // Get new seq of nodes
+
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( itN->next() );
+
+ TNodeNodeMap::iterator nnIt = nodeNodeMap.find( n );
+ if ( nnIt != nodeNodeMap.end() ) {
+ n = (*nnIt).second;
+ }
+ curNodes[ iCur ] = n;
+ bool isUnique = nodeSet.insert( n ).second;
+ if ( isUnique )
+ uniqueNodes[ iUnique++ ] = n;
+ else
+ iRepl[ nbRepl++ ] = iCur;
+ iCur++;
+ }
+
+ // Analyse element topology after replacement
+
+ int nbUniqueNodes = nodeSet.size();
+ if ( nbNodes != nbUniqueNodes ) // some nodes stick
+ {
+ toRemove = true;
+ nbResElems = 0;
+
+ if ( newElemDefs[0].myIsQuad && newElemDefs[0].myType == SMDSAbs_Face && nbNodes > 6 )
+ {
+ // if corner nodes stick, remove medium nodes between them from uniqueNodes
+ int nbCorners = nbNodes / 2;
+ for ( int iCur = 0; iCur < nbCorners; ++iCur )
+ {
+ int iNext = ( iCur + 1 ) % nbCorners;
+ if ( curNodes[ iCur ] == curNodes[ iNext ] ) // corners stick
+ {
+ int iMedium = iCur + nbCorners;
+ vector< const SMDS_MeshNode* >::iterator i =
+ std::find( uniqueNodes.begin() + nbCorners - nbRepl,
+ uniqueNodes.end(),
+ curNodes[ iMedium ]);
+ if ( i != uniqueNodes.end() )
+ {
+ --nbUniqueNodes;
+ for ( ; i+1 != uniqueNodes.end(); ++i )
+ *i = *(i+1);
}
- break;
}
- //////////////////////////////////// HEXAHEDRON
- isOk = false;
- SMDS_VolumeTool hexa (elem);
- hexa.SetExternalNormal();
- if ( nbUniqueNodes == 4 && nbRepl == 4 ) {
- //////////////////////// HEX ---> 1 tetrahedron
- for ( int iFace = 0; iFace < 6; iFace++ ) {
- const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
- if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
- curNodes[ind[ 0 ]] == curNodes[ind[ 2 ]] &&
- curNodes[ind[ 0 ]] == curNodes[ind[ 3 ]] ) {
- // one face turns into a point ...
- int iOppFace = hexa.GetOppFaceIndex( iFace );
- ind = hexa.GetFaceNodesIndices( iOppFace );
- int nbStick = 0;
- for ( iCur = 0; iCur < 4 && nbStick < 2; iCur++ ) {
- if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
- nbStick++;
- }
- if ( nbStick == 1 ) {
- // ... and the opposite one - into a triangle.
- // set a top node
- ind = hexa.GetFaceNodesIndices( iFace );
- uniqueNodes[ 3 ] = curNodes[ind[ 0 ]];
- isOk = true;
- }
- break;
+ }
+ }
+
+ switch ( entity )
+ {
+ case SMDSEntity_Polygon:
+ case SMDSEntity_Quad_Polygon: // Polygon
+ {
+ ElemFeatures* elemType = & newElemDefs[0];
+ const bool isQuad = elemType->myIsQuad;
+ if ( isQuad )
+ SMDS_MeshCell::applyInterlace // interlace medium and corner nodes
+ ( SMDS_MeshCell::interlacedSmdsOrder( SMDSEntity_Quad_Polygon, nbNodes ), curNodes );
+
+ // a polygon can divide into several elements
+ vector<const SMDS_MeshNode *> polygons_nodes;
+ vector<int> quantities;
+ nbResElems = SimplifyFace( curNodes, polygons_nodes, quantities );
+ newElemDefs.resize( nbResElems );
+ for ( int inode = 0, iface = 0; iface < nbResElems; iface++ )
+ {
+ ElemFeatures* elemType = & newElemDefs[iface];
+ if ( iface ) elemType->Init( elem );
+
+ vector<const SMDS_MeshNode *>& face_nodes = elemType->myNodes;
+ int nbNewNodes = quantities[iface];
+ face_nodes.assign( polygons_nodes.begin() + inode,
+ polygons_nodes.begin() + inode + nbNewNodes );
+ inode += nbNewNodes;
+ if ( isQuad ) // check if a result elem is a valid quadratic polygon
+ {
+ bool isValid = ( nbNewNodes % 2 == 0 );
+ for ( int i = 0; i < nbNewNodes && isValid; ++i )
+ isValid = ( elem->IsMediumNode( face_nodes[i]) == bool( i % 2 ));
+ elemType->SetQuad( isValid );
+ if ( isValid ) // put medium nodes after corners
+ SMDS_MeshCell::applyInterlaceRev
+ ( SMDS_MeshCell::interlacedSmdsOrder( SMDSEntity_Quad_Polygon,
+ nbNewNodes ), face_nodes );
+ }
+ elemType->SetPoly(( nbNewNodes / ( elemType->myIsQuad + 1 ) > 4 ));
+ }
+ nbUniqueNodes = newElemDefs[0].myNodes.size();
+ break;
+ } // Polygon
+
+ case SMDSEntity_Polyhedra: // Polyhedral volume
+ {
+ if ( nbUniqueNodes >= 4 )
+ {
+ // each face has to be analyzed in order to check volume validity
+ if ( const SMDS_VtkVolume* aPolyedre = dynamic_cast<const SMDS_VtkVolume*>( elem ))
+ {
+ int nbFaces = aPolyedre->NbFaces();
+
+ vector<const SMDS_MeshNode *>& poly_nodes = newElemDefs[0].myNodes;
+ vector<int> & quantities = newElemDefs[0].myPolyhedQuantities;
+ vector<const SMDS_MeshNode *> faceNodes;
+ poly_nodes.clear();
+ quantities.clear();
+
+ for (int iface = 1; iface <= nbFaces; iface++)
+ {
+ int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ faceNodes.resize( nbFaceNodes );
+ for (int inode = 1; inode <= nbFaceNodes; inode++)
+ {
+ const SMDS_MeshNode * faceNode = aPolyedre->GetFaceNode(iface, inode);
+ TNodeNodeMap::iterator nnIt = nodeNodeMap.find(faceNode);
+ if ( nnIt != nodeNodeMap.end() ) // faceNode sticks
+ faceNode = (*nnIt).second;
+ faceNodes[inode - 1] = faceNode;
}
+ SimplifyFace(faceNodes, poly_nodes, quantities);
}
- }
- else if ( nbUniqueNodes == 6 && nbRepl == 2 ) {
- //////////////////////// HEX ---> 1 prism
- int nbTria = 0, iTria[3];
- const int *ind; // indices of face nodes
- // look for triangular faces
- for ( int iFace = 0; iFace < 6 && nbTria < 3; iFace++ ) {
- ind = hexa.GetFaceNodesIndices( iFace );
- TIDSortedNodeSet faceNodes;
- for ( iCur = 0; iCur < 4; iCur++ )
- faceNodes.insert( curNodes[ind[iCur]] );
- if ( faceNodes.size() == 3 )
- iTria[ nbTria++ ] = iFace;
- }
- // check if triangles are opposite
- if ( nbTria == 2 && iTria[0] == hexa.GetOppFaceIndex( iTria[1] ))
+
+ if ( quantities.size() > 3 )
{
- isOk = true;
- // set nodes of the bottom triangle
- ind = hexa.GetFaceNodesIndices( iTria[ 0 ]);
- vector<int> indB;
- for ( iCur = 0; iCur < 4; iCur++ )
- if ( ind[iCur] != iRepl[0] && ind[iCur] != iRepl[1])
- indB.push_back( ind[iCur] );
- if ( !hexa.IsForward() )
- std::swap( indB[0], indB[2] );
- for ( iCur = 0; iCur < 3; iCur++ )
- uniqueNodes[ iCur ] = curNodes[indB[iCur]];
- // set nodes of the top triangle
- const int *indT = hexa.GetFaceNodesIndices( iTria[ 1 ]);
- for ( iCur = 0; iCur < 3; ++iCur )
- for ( int j = 0; j < 4; ++j )
- if ( hexa.IsLinked( indB[ iCur ], indT[ j ] ))
- {
- uniqueNodes[ iCur + 3 ] = curNodes[ indT[ j ]];
- break;
- }
+ // TODO: remove coincident faces
+ nbResElems = 1;
+ nbUniqueNodes = newElemDefs[0].myNodes.size();
}
- break;
}
- else if (nbUniqueNodes == 5 && nbRepl == 4 ) {
- //////////////////// HEXAHEDRON ---> 2 tetrahedrons
- for ( int iFace = 0; iFace < 6; iFace++ ) {
- const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
- if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
- curNodes[ind[ 0 ]] == curNodes[ind[ 2 ]] &&
- curNodes[ind[ 0 ]] == curNodes[ind[ 3 ]] ) {
- // one face turns into a point ...
- int iOppFace = hexa.GetOppFaceIndex( iFace );
- ind = hexa.GetFaceNodesIndices( iOppFace );
- int nbStick = 0;
- iUnique = 2; // reverse a tetrahedron 1 bottom
- for ( iCur = 0; iCur < 4 && nbStick == 0; iCur++ ) {
- if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
- nbStick++;
- else if ( iUnique >= 0 )
- uniqueNodes[ iUnique-- ] = curNodes[ind[ iCur ]];
- }
- if ( nbStick == 0 ) {
- // ... and the opposite one is a quadrangle
- // set a top node
- const int* indTop = hexa.GetFaceNodesIndices( iFace );
- uniqueNodes[ 3 ] = curNodes[indTop[ 0 ]];
- nbUniqueNodes = 4;
- // tetrahedron 2
- SMDS_MeshElement* newElem =
- aMesh->AddVolume(curNodes[ind[ 0 ]],
- curNodes[ind[ 3 ]],
- curNodes[ind[ 2 ]],
- curNodes[indTop[ 0 ]]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- isOk = true;
- }
- break;
- }
- }
+ }
+ }
+ break;
+
+ // Regular elements
+ // TODO not all the possible cases are solved. Find something more generic?
+ case SMDSEntity_Edge: //////// EDGE
+ case SMDSEntity_Triangle: //// TRIANGLE
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_Tetra:
+ case SMDSEntity_Quad_Tetra: // TETRAHEDRON
+ {
+ break;
+ }
+ case SMDSEntity_Quad_Edge:
+ {
+ break;
+ }
+ case SMDSEntity_Quadrangle: //////////////////////////////////// QUADRANGLE
+ {
+ if ( nbUniqueNodes < 3 )
+ toRemove = true;
+ else if ( nbRepl == 1 && curNodes[ iRepl[0]] == curNodes[( iRepl[0]+2 )%4 ])
+ toRemove = true; // opposite nodes stick
+ else
+ toRemove = false;
+ break;
+ }
+ case SMDSEntity_Quad_Quadrangle: // Quadratic QUADRANGLE
+ {
+ // 1 5 2
+ // +---+---+
+ // | |
+ // 4+ +6
+ // | |
+ // +---+---+
+ // 0 7 3
+ if ( nbUniqueNodes == 6 &&
+ iRepl[0] < 4 &&
+ ( nbRepl == 1 || iRepl[1] >= 4 ))
+ {
+ toRemove = false;
+ }
+ break;
+ }
+ case SMDSEntity_BiQuad_Quadrangle: // Bi-Quadratic QUADRANGLE
+ {
+ // 1 5 2
+ // +---+---+
+ // | |
+ // 4+ 8+ +6
+ // | |
+ // +---+---+
+ // 0 7 3
+ if ( nbUniqueNodes == 7 &&
+ iRepl[0] < 4 &&
+ ( nbRepl == 1 || iRepl[1] != 8 ))
+ {
+ toRemove = false;
+ }
+ break;
+ }
+ case SMDSEntity_Penta: ///////////////////////////////////// PENTAHEDRON
+ {
+ if ( nbUniqueNodes == 4 ) {
+ // ---------------------------------> tetrahedron
+ if ( curNodes[3] == curNodes[4] &&
+ curNodes[3] == curNodes[5] ) {
+ // top nodes stick
+ toRemove = false;
+ }
+ else if ( curNodes[0] == curNodes[1] &&
+ curNodes[0] == curNodes[2] ) {
+ // bottom nodes stick: set a top before
+ uniqueNodes[ 3 ] = uniqueNodes [ 0 ];
+ uniqueNodes[ 0 ] = curNodes [ 5 ];
+ uniqueNodes[ 1 ] = curNodes [ 4 ];
+ uniqueNodes[ 2 ] = curNodes [ 3 ];
+ toRemove = false;
+ }
+ else if (( curNodes[0] == curNodes[3] ) +
+ ( curNodes[1] == curNodes[4] ) +
+ ( curNodes[2] == curNodes[5] ) == 2 ) {
+ // a lateral face turns into a line
+ toRemove = false;
+ }
+ }
+ else if ( nbUniqueNodes == 5 ) {
+ // PENTAHEDRON --------------------> pyramid
+ if ( curNodes[0] == curNodes[3] )
+ {
+ uniqueNodes[ 0 ] = curNodes[ 1 ];
+ uniqueNodes[ 1 ] = curNodes[ 4 ];
+ uniqueNodes[ 2 ] = curNodes[ 5 ];
+ uniqueNodes[ 3 ] = curNodes[ 2 ];
+ uniqueNodes[ 4 ] = curNodes[ 0 ];
+ toRemove = false;
+ }
+ if ( curNodes[1] == curNodes[4] )
+ {
+ uniqueNodes[ 0 ] = curNodes[ 0 ];
+ uniqueNodes[ 1 ] = curNodes[ 2 ];
+ uniqueNodes[ 2 ] = curNodes[ 5 ];
+ uniqueNodes[ 3 ] = curNodes[ 3 ];
+ uniqueNodes[ 4 ] = curNodes[ 1 ];
+ toRemove = false;
+ }
+ if ( curNodes[2] == curNodes[5] )
+ {
+ uniqueNodes[ 0 ] = curNodes[ 0 ];
+ uniqueNodes[ 1 ] = curNodes[ 3 ];
+ uniqueNodes[ 2 ] = curNodes[ 4 ];
+ uniqueNodes[ 3 ] = curNodes[ 1 ];
+ uniqueNodes[ 4 ] = curNodes[ 2 ];
+ toRemove = false;
}
- else if ( nbUniqueNodes == 6 && nbRepl == 4 ) {
- ////////////////// HEXAHEDRON ---> 2 tetrahedrons or 1 prism
- // find indices of quad and tri faces
- int iQuadFace[ 6 ], iTriFace[ 6 ], nbQuad = 0, nbTri = 0, iFace;
- for ( iFace = 0; iFace < 6; iFace++ ) {
- const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
- nodeSet.clear();
- for ( iCur = 0; iCur < 4; iCur++ )
- nodeSet.insert( curNodes[ind[ iCur ]] );
- nbUniqueNodes = nodeSet.size();
- if ( nbUniqueNodes == 3 )
- iTriFace[ nbTri++ ] = iFace;
- else if ( nbUniqueNodes == 4 )
- iQuadFace[ nbQuad++ ] = iFace;
- }
- if (nbQuad == 2 && nbTri == 4 &&
- hexa.GetOppFaceIndex( iQuadFace[ 0 ] ) == iQuadFace[ 1 ]) {
- // 2 opposite quadrangles stuck with a diagonal;
- // sample groups of merged indices: (0-4)(2-6)
- // --------------------------------------------> 2 tetrahedrons
- const int *ind1 = hexa.GetFaceNodesIndices( iQuadFace[ 0 ]); // indices of quad1 nodes
- const int *ind2 = hexa.GetFaceNodesIndices( iQuadFace[ 1 ]);
- int i0, i1d, i2, i3d, i0t, i2t; // d-daigonal, t-top
- if (curNodes[ind1[ 0 ]] == curNodes[ind2[ 0 ]] &&
- curNodes[ind1[ 2 ]] == curNodes[ind2[ 2 ]]) {
- // stuck with 0-2 diagonal
- i0 = ind1[ 3 ];
- i1d = ind1[ 0 ];
- i2 = ind1[ 1 ];
- i3d = ind1[ 2 ];
- i0t = ind2[ 1 ];
- i2t = ind2[ 3 ];
- }
- else if (curNodes[ind1[ 1 ]] == curNodes[ind2[ 3 ]] &&
- curNodes[ind1[ 3 ]] == curNodes[ind2[ 1 ]]) {
- // stuck with 1-3 diagonal
- i0 = ind1[ 0 ];
- i1d = ind1[ 1 ];
- i2 = ind1[ 2 ];
- i3d = ind1[ 3 ];
- i0t = ind2[ 0 ];
- i2t = ind2[ 1 ];
+ }
+ break;
+ }
+ case SMDSEntity_Hexa:
+ {
+ //////////////////////////////////// HEXAHEDRON
+ SMDS_VolumeTool hexa (elem);
+ hexa.SetExternalNormal();
+ if ( nbUniqueNodes == 4 && nbRepl == 4 ) {
+ //////////////////////// HEX ---> tetrahedron
+ for ( int iFace = 0; iFace < 6; iFace++ ) {
+ const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
+ if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
+ curNodes[ind[ 0 ]] == curNodes[ind[ 2 ]] &&
+ curNodes[ind[ 0 ]] == curNodes[ind[ 3 ]] ) {
+ // one face turns into a point ...
+ int pickInd = ind[ 0 ];
+ int iOppFace = hexa.GetOppFaceIndex( iFace );
+ ind = hexa.GetFaceNodesIndices( iOppFace );
+ int nbStick = 0;
+ uniqueNodes.clear();
+ for ( iCur = 0; iCur < 4 && nbStick < 2; iCur++ ) {
+ if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
+ nbStick++;
+ else
+ uniqueNodes.push_back( curNodes[ind[ iCur ]]);
}
- else {
- ASSERT(0);
+ if ( nbStick == 1 ) {
+ // ... and the opposite one - into a triangle.
+ // set a top node
+ uniqueNodes.push_back( curNodes[ pickInd ]);
+ toRemove = false;
}
- // tetrahedron 1
- uniqueNodes[ 0 ] = curNodes [ i0 ];
- uniqueNodes[ 1 ] = curNodes [ i1d ];
- uniqueNodes[ 2 ] = curNodes [ i3d ];
- uniqueNodes[ 3 ] = curNodes [ i0t ];
- nbUniqueNodes = 4;
- // tetrahedron 2
- SMDS_MeshElement* newElem = aMesh->AddVolume(curNodes[ i1d ],
- curNodes[ i2 ],
- curNodes[ i3d ],
- curNodes[ i2t ]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- isOk = true;
+ break;
}
- else if (( nbTri == 2 && nbQuad == 3 ) || // merged (0-4)(1-5)
- ( nbTri == 4 && nbQuad == 2 )) { // merged (7-4)(1-5)
- // --------------------------------------------> prism
- // find 2 opposite triangles
- nbUniqueNodes = 6;
- for ( iFace = 0; iFace + 1 < nbTri; iFace++ ) {
- if ( hexa.GetOppFaceIndex( iTriFace[ iFace ] ) == iTriFace[ iFace + 1 ]) {
- // find indices of kept and replaced nodes
- // and fill unique nodes of 2 opposite triangles
- const int *ind1 = hexa.GetFaceNodesIndices( iTriFace[ iFace ]);
- const int *ind2 = hexa.GetFaceNodesIndices( iTriFace[ iFace + 1 ]);
- const SMDS_MeshNode** hexanodes = hexa.GetNodes();
- // fill unique nodes
- iUnique = 0;
- isOk = true;
- for ( iCur = 0; iCur < 4 && isOk; iCur++ ) {
- const SMDS_MeshNode* n = curNodes[ind1[ iCur ]];
- const SMDS_MeshNode* nInit = hexanodes[ind1[ iCur ]];
- if ( n == nInit ) {
- // iCur of a linked node of the opposite face (make normals co-directed):
- int iCurOpp = ( iCur == 1 || iCur == 3 ) ? 4 - iCur : iCur;
- // check that correspondent corners of triangles are linked
- if ( !hexa.IsLinked( ind1[ iCur ], ind2[ iCurOpp ] ))
- isOk = false;
- else {
- uniqueNodes[ iUnique ] = n;
- uniqueNodes[ iUnique + 3 ] = curNodes[ind2[ iCurOpp ]];
- iUnique++;
- }
- }
- }
+ }
+ }
+ else if ( nbUniqueNodes == 6 && nbRepl == 2 ) {
+ //////////////////////// HEX ---> prism
+ int nbTria = 0, iTria[3];
+ const int *ind; // indices of face nodes
+ // look for triangular faces
+ for ( int iFace = 0; iFace < 6 && nbTria < 3; iFace++ ) {
+ ind = hexa.GetFaceNodesIndices( iFace );
+ TIDSortedNodeSet faceNodes;
+ for ( iCur = 0; iCur < 4; iCur++ )
+ faceNodes.insert( curNodes[ind[iCur]] );
+ if ( faceNodes.size() == 3 )
+ iTria[ nbTria++ ] = iFace;
+ }
+ // check if triangles are opposite
+ if ( nbTria == 2 && iTria[0] == hexa.GetOppFaceIndex( iTria[1] ))
+ {
+ // set nodes of the bottom triangle
+ ind = hexa.GetFaceNodesIndices( iTria[ 0 ]);
+ vector<int> indB;
+ for ( iCur = 0; iCur < 4; iCur++ )
+ if ( ind[iCur] != iRepl[0] && ind[iCur] != iRepl[1])
+ indB.push_back( ind[iCur] );
+ if ( !hexa.IsForward() )
+ std::swap( indB[0], indB[2] );
+ for ( iCur = 0; iCur < 3; iCur++ )
+ uniqueNodes[ iCur ] = curNodes[indB[iCur]];
+ // set nodes of the top triangle
+ const int *indT = hexa.GetFaceNodesIndices( iTria[ 1 ]);
+ for ( iCur = 0; iCur < 3; ++iCur )
+ for ( int j = 0; j < 4; ++j )
+ if ( hexa.IsLinked( indB[ iCur ], indT[ j ] ))
+ {
+ uniqueNodes[ iCur + 3 ] = curNodes[ indT[ j ]];
break;
}
+ toRemove = false;
+ break;
+ }
+ }
+ else if (nbUniqueNodes == 5 && nbRepl == 3 ) {
+ //////////////////// HEXAHEDRON ---> pyramid
+ for ( int iFace = 0; iFace < 6; iFace++ ) {
+ const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
+ if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
+ curNodes[ind[ 0 ]] == curNodes[ind[ 2 ]] &&
+ curNodes[ind[ 0 ]] == curNodes[ind[ 3 ]] ) {
+ // one face turns into a point ...
+ int iOppFace = hexa.GetOppFaceIndex( iFace );
+ ind = hexa.GetFaceNodesIndices( iOppFace );
+ uniqueNodes.clear();
+ for ( iCur = 0; iCur < 4; iCur++ ) {
+ if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
+ break;
+ else
+ uniqueNodes.push_back( curNodes[ind[ iCur ]]);
+ }
+ if ( uniqueNodes.size() == 4 ) {
+ // ... and the opposite one is a quadrangle
+ // set a top node
+ const int* indTop = hexa.GetFaceNodesIndices( iFace );
+ uniqueNodes.push_back( curNodes[indTop[ 0 ]]);
+ toRemove = false;
}
+ break;
}
- } // if ( nbUniqueNodes == 6 && nbRepl == 4 )
- else
- {
- MESSAGE("MergeNodes() removes hexahedron "<< elem);
}
- break;
- } // HEXAHEDRON
-
- default:
- isOk = false;
- } // switch ( nbNodes )
-
- } // if ( nbNodes != nbUniqueNodes ) // some nodes stick
-
- if ( isOk ) { // the elem remains valid after sticking nodes
- if (elem->IsPoly() && elem->GetType() == SMDSAbs_Volume)
- {
- // Change nodes of polyedre
- const SMDS_VtkVolume* aPolyedre =
- dynamic_cast<const SMDS_VtkVolume*>( elem );
- if (aPolyedre) {
- int nbFaces = aPolyedre->NbFaces();
-
- vector<const SMDS_MeshNode *> poly_nodes;
- vector<int> quantities (nbFaces);
-
- for (int iface = 1; iface <= nbFaces; iface++) {
- int inode, nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- quantities[iface - 1] = nbFaceNodes;
-
- for (inode = 1; inode <= nbFaceNodes; inode++) {
- const SMDS_MeshNode* curNode = aPolyedre->GetFaceNode(iface, inode);
+ }
- TNodeNodeMap::iterator nnIt = nodeNodeMap.find( curNode );
- if (nnIt != nodeNodeMap.end()) { // curNode sticks
- curNode = (*nnIt).second;
- }
- poly_nodes.push_back(curNode);
- }
+ if ( toRemove && nbUniqueNodes > 4 ) {
+ ////////////////// HEXAHEDRON ---> polyhedron
+ hexa.SetExternalNormal();
+ vector<const SMDS_MeshNode *>& poly_nodes = newElemDefs[0].myNodes;
+ vector<int> & quantities = newElemDefs[0].myPolyhedQuantities;
+ poly_nodes.reserve( 6 * 4 ); poly_nodes.clear();
+ quantities.reserve( 6 ); quantities.clear();
+ for ( int iFace = 0; iFace < 6; iFace++ )
+ {
+ const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
+ if ( curNodes[ind[0]] == curNodes[ind[2]] ||
+ curNodes[ind[1]] == curNodes[ind[3]] )
+ {
+ quantities.clear();
+ break; // opposite nodes stick
+ }
+ nodeSet.clear();
+ for ( iCur = 0; iCur < 4; iCur++ )
+ {
+ if ( nodeSet.insert( curNodes[ind[ iCur ]] ).second )
+ poly_nodes.push_back( curNodes[ind[ iCur ]]);
}
- aMesh->ChangePolyhedronNodes( elem, poly_nodes, quantities );
+ if ( nodeSet.size() < 3 )
+ poly_nodes.resize( poly_nodes.size() - nodeSet.size() );
+ else
+ quantities.push_back( nodeSet.size() );
+ }
+ if ( quantities.size() >= 4 )
+ {
+ nbResElems = 1;
+ nbUniqueNodes = poly_nodes.size();
+ newElemDefs[0].SetPoly(true);
}
}
- else // replace non-polyhedron elements
- {
- const SMDSAbs_ElementType etyp = elem->GetType();
- const int elemId = elem->GetID();
- const bool isPoly = (elem->GetEntityType() == SMDSEntity_Polygon);
- uniqueNodes.resize(nbUniqueNodes);
+ break;
+ } // case HEXAHEDRON
- SMESHDS_SubMesh * sm = aShapeId > 0 ? aMesh->MeshElements(aShapeId) : 0;
+ default:
+ toRemove = true;
- aMesh->RemoveFreeElement(elem, sm, /*fromGroups=*/false);
- SMDS_MeshElement* newElem = this->AddElement(uniqueNodes, etyp, isPoly, elemId);
- if ( sm && newElem )
- sm->AddElement( newElem );
- if ( elem != newElem )
- ReplaceElemInGroups( elem, newElem, aMesh );
- }
- }
- else {
- // Remove invalid regular element or invalid polygon
- rmElemIds.push_back( elem->GetID() );
+ } // switch ( entity )
+
+ if ( toRemove && nbResElems == 0 && avoidMakingHoles )
+ {
+ // erase from nodeNodeMap nodes whose merge spoils elem
+ vector< const SMDS_MeshNode* > noMergeNodes;
+ SMESH_MeshAlgos::DeMerge( elem, curNodes, noMergeNodes );
+ for ( size_t i = 0; i < noMergeNodes.size(); ++i )
+ nodeNodeMap.erase( noMergeNodes[i] );
}
+
+ } // if ( nbNodes != nbUniqueNodes ) // some nodes stick
- } // loop on elements
+ uniqueNodes.resize( nbUniqueNodes );
- // Remove bad elements, then equal nodes (order important)
+ if ( !toRemove && nbResElems == 0 )
+ nbResElems = 1;
- Remove( rmElemIds, false );
- Remove( rmNodeIds, true );
+ newElemDefs.resize( nbResElems );
+ return !toRemove;
}
const SMDS_MeshElement* Get() const
{ return myElem; }
- void Set(const SMDS_MeshElement* e) const
- { myElem = e; }
-
-
private:
mutable const SMDS_MeshElement* myElem;
};
typedef map< SortableElement, int > TMapOfNodeSet;
typedef list<int> TGroupOfElems;
- if ( theElements.empty() )
- { // get all elements in the mesh
- SMDS_ElemIteratorPtr eIt = GetMeshDS()->elementsIterator();
- while ( eIt->more() )
- theElements.insert( theElements.end(), eIt->next());
- }
+ SMDS_ElemIteratorPtr elemIt;
+ if ( theElements.empty() ) elemIt = GetMeshDS()->elementsIterator();
+ else elemIt = elemSetIterator( theElements );
vector< TGroupOfElems > arrayOfGroups;
TGroupOfElems groupOfElems;
TMapOfNodeSet mapOfNodeSet;
- TIDSortedElemSet::iterator elemIt = theElements.begin();
- for ( int i = 0, j=0; elemIt != theElements.end(); ++elemIt, ++j ) {
- const SMDS_MeshElement* curElem = *elemIt;
+ for ( int iGroup = 0; elemIt->more(); )
+ {
+ const SMDS_MeshElement* curElem = elemIt->next();
SortableElement SE(curElem);
- int ind = -1;
// check uniqueness
- pair< TMapOfNodeSet::iterator, bool> pp = mapOfNodeSet.insert(make_pair(SE, i));
- if( !(pp.second) ) {
+ pair< TMapOfNodeSet::iterator, bool> pp = mapOfNodeSet.insert(make_pair(SE, iGroup));
+ if ( !pp.second ) { // one more coincident elem
TMapOfNodeSet::iterator& itSE = pp.first;
- ind = (*itSE).second;
- arrayOfGroups[ind].push_back(curElem->GetID());
+ int iG = itSE->second;
+ arrayOfGroups[ iG ].push_back( curElem->GetID() );
}
else {
- groupOfElems.clear();
- groupOfElems.push_back(curElem->GetID());
- arrayOfGroups.push_back(groupOfElems);
- i++;
+ arrayOfGroups.push_back( groupOfElems );
+ arrayOfGroups.back().push_back( curElem->GetID() );
+ iGroup++;
}
}
+ groupOfElems.clear();
vector< TGroupOfElems >::iterator groupIt = arrayOfGroups.begin();
- for ( ; groupIt != arrayOfGroups.end(); ++groupIt ) {
- groupOfElems = *groupIt;
- if ( groupOfElems.size() > 1 ) {
- groupOfElems.sort();
- theGroupsOfElementsID.push_back(groupOfElems);
+ for ( ; groupIt != arrayOfGroups.end(); ++groupIt )
+ {
+ if ( groupIt->size() > 1 ) {
+ //groupOfElems.sort(); -- theElements is sorted already
+ theGroupsOfElementsID.push_back( groupOfElems );
+ theGroupsOfElementsID.back().splice( theGroupsOfElementsID.back().end(), *groupIt );
}
}
}
return SMESH_MeshAlgos::FindFaceInSet( n1, n2, elemSet, avoidSet );
}
+//=======================================================================
+//function : findSegment
+//purpose : Return a mesh segment by two nodes one of which can be medium
+//=======================================================================
+
+static const SMDS_MeshElement* findSegment(const SMDS_MeshNode* n1,
+ const SMDS_MeshNode* n2)
+{
+ SMDS_ElemIteratorPtr it = n1->GetInverseElementIterator( SMDSAbs_Edge );
+ while ( it->more() )
+ {
+ const SMDS_MeshElement* seg = it->next();
+ if ( seg->GetNodeIndex( n2 ) >= 0 )
+ return seg;
+ }
+ return 0;
+}
+
//=======================================================================
//function : FindFreeBorder
//purpose :
theNodes.push_back( theFirstNode );
theNodes.push_back( theSecondNode );
- //vector<const SMDS_MeshNode*> nodes;
const SMDS_MeshNode *nIgnore = theFirstNode, *nStart = theSecondNode;
TIDSortedElemSet foundElems;
bool needTheLast = ( theLastNode != 0 );
// find all free border faces sharing form nStart
list< const SMDS_MeshElement* > curElemList;
- list< const SMDS_MeshNode* > nStartList;
+ list< const SMDS_MeshNode* > nStartList;
SMDS_ElemIteratorPtr invElemIt = nStart->GetInverseElementIterator(SMDSAbs_Face);
while ( invElemIt->more() ) {
const SMDS_MeshElement* e = invElemIt->next();
if ( e == curElem || foundElems.insert( e ).second ) {
// get nodes
int iNode = 0, nbNodes = e->NbNodes();
- //const SMDS_MeshNode* nodes[nbNodes+1];
vector<const SMDS_MeshNode*> nodes(nbNodes+1);
- if(e->IsQuadratic()) {
+ if ( e->IsQuadratic() ) {
const SMDS_VtkFace* F =
dynamic_cast<const SMDS_VtkFace*>(e);
if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
//=======================================================================
//function : SewFreeBorder
//purpose :
+//warning : for border-to-side sewing theSideSecondNode is considered as
+// the last side node and theSideThirdNode is not used
//=======================================================================
SMESH_MeshEditor::Sew_Error
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE("::SewFreeBorder()");
Sew_Error aResult = SEW_OK;
// ====================================
// find side nodes and elements
// ====================================
- list< const SMDS_MeshNode* > nSide[ 2 ];
+ list< const SMDS_MeshNode* > nSide[ 2 ];
list< const SMDS_MeshElement* > eSide[ 2 ];
- list< const SMDS_MeshNode* >::iterator nIt[ 2 ];
+ list< const SMDS_MeshNode* >::iterator nIt[ 2 ];
list< const SMDS_MeshElement* >::iterator eIt[ 2 ];
// Free border 1
// -------------------------------------------------------------------------
// 1. Since sewing may break if there are volumes to split on the side 2,
- // we wont move nodes but just compute new coordinates for them
+ // we won't move nodes but just compute new coordinates for them
typedef map<const SMDS_MeshNode*, gp_XYZ> TNodeXYZMap;
TNodeXYZMap nBordXYZ;
list< const SMDS_MeshNode* >& bordNodes = nSide[ 0 ];
//const SMDS_MeshNode* faceNodes[ 4 ];
const SMDS_MeshNode* sideNode;
- const SMDS_MeshElement* sideElem;
+ const SMDS_MeshElement* sideElem = 0;
const SMDS_MeshNode* prevSideNode = theSideFirstNode;
const SMDS_MeshNode* prevBordNode = theBordFirstNode;
nBordIt = bordNodes.begin();
{
const SMDS_MeshElement* elem = invElemIt->next();
// prepare data for a loop on links coming to prevSideNode, of a face or a volume
- int iPrevNode, iNode = 0, nbNodes = elem->NbNodes();
+ int iPrevNode = 0, iNode = 0, nbNodes = elem->NbNodes();
vector< const SMDS_MeshNode* > faceNodes( nbNodes, (const SMDS_MeshNode*)0 );
bool isVolume = volume.Set( elem );
const SMDS_MeshNode** nodes = isVolume ? volume.GetNodes() : & faceNodes[0];
} // loop on inverse elements of prevSideNode
if ( !sideNode ) {
- MESSAGE(" Cant find path by links of the Side 2 ");
+ MESSAGE(" Can't find path by links of the Side 2 ");
return SEW_BAD_SIDE_NODES;
}
sideNodes.push_back( sideNode );
// sew the border to the side 2
// ============================
- int nbNodes[] = { nSide[0].size(), nSide[1].size() };
+ int nbNodes[] = { (int)nSide[0].size(), (int)nSide[1].size() };
int maxNbNodes = Max( nbNodes[0], nbNodes[1] );
+ bool toMergeConformal = ( nbNodes[0] == nbNodes[1] );
+ if ( toMergeConformal && toCreatePolygons )
+ {
+ // do not merge quadrangles if polygons are OK (IPAL0052824)
+ eIt[0] = eSide[0].begin();
+ eIt[1] = eSide[1].begin();
+ bool allQuads[2] = { true, true };
+ for ( int iBord = 0; iBord < 2; iBord++ ) { // loop on 2 borders
+ for ( ; allQuads[iBord] && eIt[iBord] != eSide[iBord].end(); ++eIt[iBord] )
+ allQuads[iBord] = ( (*eIt[iBord])->NbCornerNodes() == 4 );
+ }
+ toMergeConformal = ( !allQuads[0] && !allQuads[1] );
+ }
+
TListOfListOfNodes nodeGroupsToMerge;
- if ( nbNodes[0] == nbNodes[1] ||
- ( theSideIsFreeBorder && !theSideThirdNode)) {
+ if (( toMergeConformal ) ||
+ ( theSideIsFreeBorder && !theSideThirdNode )) {
// all nodes are to be merged
// insert new nodes into the border and the side to get equal nb of segments
// get normalized parameters of nodes on the borders
- //double param[ 2 ][ maxNbNodes ];
- double* param[ 2 ];
- param[0] = new double [ maxNbNodes ];
- param[1] = new double [ maxNbNodes ];
+ vector< double > param[ 2 ];
+ param[0].resize( maxNbNodes );
+ param[1].resize( maxNbNodes );
int iNode, iBord;
for ( iBord = 0; iBord < 2; iBord++ ) { // loop on 2 borders
list< const SMDS_MeshNode* >& nodes = nSide[ iBord ];
if ( i[ iBord ] > 0 )
prevParam = Max( prevParam, param[iBord][ i[iBord] - 1 ]);
}
- double minParam = Min( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
- double maxParam = Max( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
+ double minParam = Min( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
+ double maxParam = Max( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
double minSegLen = Min( nextParam - minParam, maxParam - prevParam );
// choose to insert or to merge nodes
// insert
// ------
int intoBord = ( du < 0 ) ? 0 : 1;
- const SMDS_MeshElement* elem = *eIt[ intoBord ];
+ const SMDS_MeshElement* elem = *eIt [ intoBord ];
const SMDS_MeshNode* n1 = nPrev[ intoBord ];
- const SMDS_MeshNode* n2 = *nIt[ intoBord ];
- const SMDS_MeshNode* nIns = *nIt[ 1 - intoBord ];
+ const SMDS_MeshNode* n2 = *nIt [ intoBord ];
+ const SMDS_MeshNode* nIns = *nIt [ 1 - intoBord ];
if ( intoBord == 1 ) {
// move node of the border to be on a link of elem of the side
gp_XYZ p1 (n1->X(), n1->Y(), n1->Z());
GetMeshDS()->MoveNode( nIns, p.X(), p.Y(), p.Z() );
}
insertMapIt = insertMap.find( elem );
- bool notFound = ( insertMapIt == insertMap.end() );
+ bool notFound = ( insertMapIt == insertMap.end() );
bool otherLink = ( !notFound && (*insertMapIt).second.front() != n1 );
if ( otherLink ) {
// insert into another link of the same element:
const SMDS_MeshNode* n22 = nodeList.front(); nodeList.pop_front();
InsertNodesIntoLink( elem, n12, n22, nodeList, toCreatePolygons );
// 2. perform insertion into the link of adjacent faces
- while (true) {
- const SMDS_MeshElement* adjElem = findAdjacentFace( n12, n22, elem );
- if ( adjElem )
- InsertNodesIntoLink( adjElem, n12, n22, nodeList, toCreatePolygons );
- else
- break;
+ while ( const SMDS_MeshElement* adjElem = findAdjacentFace( n12, n22, elem )) {
+ InsertNodesIntoLink( adjElem, n12, n22, nodeList, toCreatePolygons );
+ }
+ while ( const SMDS_MeshElement* seg = findSegment( n12, n22 )) {
+ InsertNodesIntoLink( seg, n12, n22, nodeList );
}
if (toCreatePolyedrs) {
// perform insertion into the links of adjacent volumes
}
if ( notFound || otherLink ) {
// add element and nodes of the side into the insertMap
- insertMapIt = insertMap.insert
- ( TElemOfNodeListMap::value_type( elem, list<const SMDS_MeshNode*>() )).first;
+ insertMapIt = insertMap.insert( make_pair( elem, list<const SMDS_MeshNode*>() )).first;
(*insertMapIt).second.push_back( n1 );
(*insertMapIt).second.push_back( n2 );
}
InsertNodesIntoLink( elem, n1, n2, nodeList, toCreatePolygons );
+ while ( const SMDS_MeshElement* seg = findSegment( n1, n2 )) {
+ InsertNodesIntoLink( seg, n1, n2, nodeList );
+ }
+
if ( !theSideIsFreeBorder ) {
// look for and insert nodes into the faces adjacent to elem
- while (true) {
- const SMDS_MeshElement* adjElem = findAdjacentFace( n1, n2, elem );
- if ( adjElem )
- InsertNodesIntoLink( adjElem, n1, n2, nodeList, toCreatePolygons );
- else
- break;
+ while ( const SMDS_MeshElement* adjElem = findAdjacentFace( n1, n2, elem )) {
+ InsertNodesIntoLink( adjElem, n1, n2, nodeList, toCreatePolygons );
}
}
if (toCreatePolyedrs) {
UpdateVolumes(n1, n2, nodeList);
}
}
-
- delete param[0];
- delete param[1];
} // end: insert new nodes
MergeNodes ( nodeGroupsToMerge );
- return aResult;
-}
-//=======================================================================
-//function : InsertNodesIntoLink
-//purpose : insert theNodesToInsert into theFace between theBetweenNode1
-// and theBetweenNode2 and split theElement
-//=======================================================================
+ // Remove coincident segments
-void SMESH_MeshEditor::InsertNodesIntoLink(const SMDS_MeshElement* theFace,
- const SMDS_MeshNode* theBetweenNode1,
- const SMDS_MeshNode* theBetweenNode2,
- list<const SMDS_MeshNode*>& theNodesToInsert,
- const bool toCreatePoly)
-{
- if ( theFace->GetType() != SMDSAbs_Face ) return;
+ // get new segments
+ TIDSortedElemSet segments;
+ SMESH_SequenceOfElemPtr newFaces;
+ for ( int i = 1; i <= myLastCreatedElems.Length(); ++i )
+ {
+ if ( !myLastCreatedElems(i) ) continue;
+ if ( myLastCreatedElems(i)->GetType() == SMDSAbs_Edge )
+ segments.insert( segments.end(), myLastCreatedElems(i) );
+ else
+ newFaces.Append( myLastCreatedElems(i) );
+ }
+ // get segments adjacent to merged nodes
+ TListOfListOfNodes::iterator groupIt = nodeGroupsToMerge.begin();
+ for ( ; groupIt != nodeGroupsToMerge.end(); groupIt++ )
+ {
+ const list<const SMDS_MeshNode*>& nodes = *groupIt;
+ SMDS_ElemIteratorPtr segIt = nodes.front()->GetInverseElementIterator( SMDSAbs_Edge );
+ while ( segIt->more() )
+ segments.insert( segIt->next() );
+ }
+
+ // find coincident
+ TListOfListOfElementsID equalGroups;
+ if ( !segments.empty() )
+ FindEqualElements( segments, equalGroups );
+ if ( !equalGroups.empty() )
+ {
+ // remove from segments those that will be removed
+ TListOfListOfElementsID::iterator itGroups = equalGroups.begin();
+ for ( ; itGroups != equalGroups.end(); ++itGroups )
+ {
+ list< int >& group = *itGroups;
+ list< int >::iterator id = group.begin();
+ for ( ++id; id != group.end(); ++id )
+ if ( const SMDS_MeshElement* seg = GetMeshDS()->FindElement( *id ))
+ segments.erase( seg );
+ }
+ // remove equal segments
+ MergeElements( equalGroups );
+
+ // restore myLastCreatedElems
+ myLastCreatedElems = newFaces;
+ TIDSortedElemSet::iterator seg = segments.begin();
+ for ( ; seg != segments.end(); ++seg )
+ myLastCreatedElems.Append( *seg );
+ }
+
+ return aResult;
+}
+
+//=======================================================================
+//function : InsertNodesIntoLink
+//purpose : insert theNodesToInsert into theElement between theBetweenNode1
+// and theBetweenNode2 and split theElement
+//=======================================================================
+
+void SMESH_MeshEditor::InsertNodesIntoLink(const SMDS_MeshElement* theElement,
+ const SMDS_MeshNode* theBetweenNode1,
+ const SMDS_MeshNode* theBetweenNode2,
+ list<const SMDS_MeshNode*>& theNodesToInsert,
+ const bool toCreatePoly)
+{
+ if ( !theElement ) return;
+
+ SMESHDS_Mesh *aMesh = GetMeshDS();
+ vector<const SMDS_MeshElement*> newElems;
+
+ if ( theElement->GetType() == SMDSAbs_Edge )
+ {
+ theNodesToInsert.push_front( theBetweenNode1 );
+ theNodesToInsert.push_back ( theBetweenNode2 );
+ list<const SMDS_MeshNode*>::iterator n = theNodesToInsert.begin();
+ const SMDS_MeshNode* n1 = *n;
+ for ( ++n; n != theNodesToInsert.end(); ++n )
+ {
+ const SMDS_MeshNode* n2 = *n;
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( n1, n2 ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( n1, n2 ));
+ n1 = n2;
+ }
+ theNodesToInsert.pop_front();
+ theNodesToInsert.pop_back();
+
+ if ( theElement->IsQuadratic() ) // add a not split part
+ {
+ vector<const SMDS_MeshNode*> nodes( theElement->begin_nodes(),
+ theElement->end_nodes() );
+ int iOther = 0, nbN = nodes.size();
+ for ( ; iOther < nbN; ++iOther )
+ if ( nodes[iOther] != theBetweenNode1 &&
+ nodes[iOther] != theBetweenNode2 )
+ break;
+ if ( iOther == 0 )
+ {
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( nodes[0], nodes[1] ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( nodes[0], nodes[1] ));
+ }
+ else if ( iOther == 2 )
+ {
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( nodes[1], nodes[2] ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( nodes[1], nodes[2] ));
+ }
+ }
+ // treat new elements
+ for ( size_t i = 0; i < newElems.size(); ++i )
+ if ( newElems[i] )
+ {
+ aMesh->SetMeshElementOnShape( newElems[i], theElement->getshapeId() );
+ myLastCreatedElems.Append( newElems[i] );
+ }
+ ReplaceElemInGroups( theElement, newElems, aMesh );
+ aMesh->RemoveElement( theElement );
+ return;
+
+ } // if ( theElement->GetType() == SMDSAbs_Edge )
+
+ const SMDS_MeshElement* theFace = theElement;
+ if ( theFace->GetType() != SMDSAbs_Face ) return;
// find indices of 2 link nodes and of the rest nodes
int iNode = 0, il1, il2, i3, i4;
il1 = il2 = i3 = i4 = -1;
- //const SMDS_MeshNode* nodes[ theFace->NbNodes() ];
vector<const SMDS_MeshNode*> nodes( theFace->NbNodes() );
- if(theFace->IsQuadratic()) {
- const SMDS_VtkFace* F =
- dynamic_cast<const SMDS_VtkFace*>(theFace);
- if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
- // use special nodes iterator
- SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
- while( anIter->more() ) {
- const SMDS_MeshNode* n = cast2Node(anIter->next());
- if ( n == theBetweenNode1 )
- il1 = iNode;
- else if ( n == theBetweenNode2 )
- il2 = iNode;
- else if ( i3 < 0 )
- i3 = iNode;
- else
- i4 = iNode;
- nodes[ iNode++ ] = n;
- }
- }
- else {
- SMDS_ElemIteratorPtr nodeIt = theFace->nodesIterator();
- while ( nodeIt->more() ) {
- const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
- if ( n == theBetweenNode1 )
- il1 = iNode;
- else if ( n == theBetweenNode2 )
- il2 = iNode;
- else if ( i3 < 0 )
- i3 = iNode;
- else
- i4 = iNode;
- nodes[ iNode++ ] = n;
- }
+ SMDS_NodeIteratorPtr nodeIt = theFace->interlacedNodesIterator();
+ while ( nodeIt->more() ) {
+ const SMDS_MeshNode* n = nodeIt->next();
+ if ( n == theBetweenNode1 )
+ il1 = iNode;
+ else if ( n == theBetweenNode2 )
+ il2 = iNode;
+ else if ( i3 < 0 )
+ i3 = iNode;
+ else
+ i4 = iNode;
+ nodes[ iNode++ ] = n;
}
if ( il1 < 0 || il2 < 0 || i3 < 0 )
return ;
// add nodes of face up to first node of link
bool isFLN = false;
- if(theFace->IsQuadratic()) {
- const SMDS_VtkFace* F =
- dynamic_cast<const SMDS_VtkFace*>(theFace);
+ if ( theFace->IsQuadratic() ) {
+ const SMDS_VtkFace* F = dynamic_cast<const SMDS_VtkFace*>(theFace);
if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
// use special nodes iterator
SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
}
}
- // edit or replace the face
- SMESHDS_Mesh *aMesh = GetMeshDS();
-
- if (theFace->IsPoly()) {
- aMesh->ChangePolygonNodes(theFace, poly_nodes);
- }
- else {
- int aShapeId = FindShape( theFace );
-
- SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
-
- aMesh->RemoveElement(theFace);
- }
- return;
+ // make a new face
+ newElems.push_back( aMesh->AddPolygonalFace( poly_nodes ));
}
- SMESHDS_Mesh *aMesh = GetMeshDS();
- if( !theFace->IsQuadratic() ) {
-
+ else if ( !theFace->IsQuadratic() )
+ {
// put aNodesToInsert between theBetweenNode1 and theBetweenNode2
int nbLinkNodes = 2 + aNodesToInsert.size();
//const SMDS_MeshNode* linkNodes[ nbLinkNodes ];
}
// decide how to split a quadrangle: compare possible variants
// and choose which of splits to be a quadrangle
- int i1, i2, iSplit, nbSplits = nbLinkNodes - 1, iBestQuad;
+ int i1, i2, iSplit, nbSplits = nbLinkNodes - 1, iBestQuad = 0;
if ( nbFaceNodes == 3 ) {
iBestQuad = nbSplits;
i4 = i3;
}
// create new elements
- int aShapeId = FindShape( theFace );
-
i1 = 0; i2 = 1;
- for ( iSplit = 0; iSplit < nbSplits - 1; iSplit++ ) {
- SMDS_MeshElement* newElem = 0;
+ for ( iSplit = 0; iSplit < nbSplits - 1; iSplit++ )
+ {
if ( iSplit == iBestQuad )
- newElem = aMesh->AddFace (linkNodes[ i1++ ],
- linkNodes[ i2++ ],
- nodes[ i3 ],
- nodes[ i4 ]);
+ newElems.push_back( aMesh->AddFace (linkNodes[ i1++ ],
+ linkNodes[ i2++ ],
+ nodes[ i3 ],
+ nodes[ i4 ]));
else
- newElem = aMesh->AddFace (linkNodes[ i1++ ],
- linkNodes[ i2++ ],
- nodes[ iSplit < iBestQuad ? i4 : i3 ]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace (linkNodes[ i1++ ],
+ linkNodes[ i2++ ],
+ nodes[ iSplit < iBestQuad ? i4 : i3 ]));
}
- // change nodes of theFace
const SMDS_MeshNode* newNodes[ 4 ];
newNodes[ 0 ] = linkNodes[ i1 ];
newNodes[ 1 ] = linkNodes[ i2 ];
newNodes[ 2 ] = nodes[ iSplit >= iBestQuad ? i3 : i4 ];
newNodes[ 3 ] = nodes[ i4 ];
- //aMesh->ChangeElementNodes( theFace, newNodes, iSplit == iBestQuad ? 4 : 3 );
- const SMDS_MeshElement* newElem = 0;
if (iSplit == iBestQuad)
- newElem = aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] );
+ newElems.push_back( aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] ));
else
- newElem = aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] );
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
-} // end if(!theFace->IsQuadratic())
+ newElems.push_back( aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] ));
+
+ } // end if(!theFace->IsQuadratic())
+
else { // theFace is quadratic
// we have to split theFace on simple triangles and one simple quadrangle
int tmp = il1/2;
// n4 n6 n5 n4
// create new elements
- int aShapeId = FindShape( theFace );
-
int n1,n2,n3;
- if(nbFaceNodes==6) { // quadratic triangle
- SMDS_MeshElement* newElem =
- aMesh->AddFace(nodes[3],nodes[4],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- if(theFace->IsMediumNode(nodes[il1])) {
+ if ( nbFaceNodes == 6 ) { // quadratic triangle
+ newElems.push_back( aMesh->AddFace( nodes[3], nodes[4], nodes[5] ));
+ if ( theFace->IsMediumNode(nodes[il1]) ) {
// create quadrangle
- newElem = aMesh->AddFace(nodes[0],nodes[1],nodes[3],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[0], nodes[1], nodes[3], nodes[5] ));
n1 = 1;
n2 = 2;
n3 = 3;
}
else {
// create quadrangle
- newElem = aMesh->AddFace(nodes[1],nodes[2],nodes[3],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[1], nodes[2], nodes[3], nodes[5] ));
n1 = 0;
n2 = 1;
n3 = 5;
}
}
else { // nbFaceNodes==8 - quadratic quadrangle
- SMDS_MeshElement* newElem =
- aMesh->AddFace(nodes[3],nodes[4],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- newElem = aMesh->AddFace(nodes[5],nodes[6],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- newElem = aMesh->AddFace(nodes[5],nodes[7],nodes[3]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- if(theFace->IsMediumNode(nodes[il1])) {
+ newElems.push_back( aMesh->AddFace( nodes[3], nodes[4], nodes[5] ));
+ newElems.push_back( aMesh->AddFace( nodes[5], nodes[6], nodes[7] ));
+ newElems.push_back( aMesh->AddFace( nodes[5], nodes[7], nodes[3] ));
+ if ( theFace->IsMediumNode( nodes[ il1 ])) {
// create quadrangle
- newElem = aMesh->AddFace(nodes[0],nodes[1],nodes[3],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[0], nodes[1], nodes[3], nodes[7] ));
n1 = 1;
n2 = 2;
n3 = 3;
}
else {
// create quadrangle
- newElem = aMesh->AddFace(nodes[1],nodes[2],nodes[3],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[1], nodes[2], nodes[3], nodes[7] ));
n1 = 0;
n2 = 1;
n3 = 7;
}
// create needed triangles using n1,n2,n3 and inserted nodes
int nbn = 2 + aNodesToInsert.size();
- //const SMDS_MeshNode* aNodes[nbn];
vector<const SMDS_MeshNode*> aNodes(nbn);
- aNodes[0] = nodes[n1];
+ aNodes[0 ] = nodes[n1];
aNodes[nbn-1] = nodes[n2];
list<const SMDS_MeshNode*>::iterator nIt = aNodesToInsert.begin();
for ( iNode = 1; nIt != aNodesToInsert.end(); nIt++ ) {
aNodes[iNode++] = *nIt;
}
- for(i=1; i<nbn; i++) {
- SMDS_MeshElement* newElem =
- aMesh->AddFace(aNodes[i-1],aNodes[i],nodes[n3]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- }
+ for ( i = 1; i < nbn; i++ )
+ newElems.push_back( aMesh->AddFace( aNodes[i-1], aNodes[i], nodes[n3] ));
}
- // remove old face
+
+ // remove the old face
+ for ( size_t i = 0; i < newElems.size(); ++i )
+ if ( newElems[i] )
+ {
+ aMesh->SetMeshElementOnShape( newElems[i], theFace->getshapeId() );
+ myLastCreatedElems.Append( newElems[i] );
+ }
+ ReplaceElemInGroups( theFace, newElems, aMesh );
aMesh->RemoveElement(theFace);
-}
+
+} // InsertNodesIntoLink()
//=======================================================================
//function : UpdateVolumes
//purpose :
//=======================================================================
+
void SMESH_MeshEditor::UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
const SMDS_MeshNode* theBetweenNode2,
list<const SMDS_MeshNode*>& theNodesToInsert)
quantities[iface] = nbFaceNodes + nbInserted;
}
- // Replace or update the volume
+ // Replace the volume
SMESHDS_Mesh *aMesh = GetMeshDS();
- if (elem->IsPoly()) {
- aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
-
- }
- else {
- int aShapeId = FindShape( elem );
-
- SMDS_MeshElement* newElem =
- aMesh->AddPolyhedralVolume(poly_nodes, quantities);
- myLastCreatedElems.Append(newElem);
- if (aShapeId && newElem)
- aMesh->SetMeshElementOnShape(newElem, aShapeId);
-
- aMesh->RemoveElement(elem);
+ if ( SMDS_MeshElement* newElem = aMesh->AddPolyhedralVolume( poly_nodes, quantities ))
+ {
+ aMesh->SetMeshElementOnShape( newElem, elem->getshapeId() );
+ myLastCreatedElems.Append( newElem );
+ ReplaceElemInGroups( elem, newElem, aMesh );
}
+ aMesh->RemoveElement( elem );
}
}
//=======================================================================
/*!
- * \brief Convert elements contained in a submesh to quadratic
+ * \brief Convert elements contained in a sub-mesh to quadratic
* \return int - nb of checked elements
*/
//=======================================================================
SMESH_MesherHelper& theHelper,
const bool theForce3d)
{
+ //MESSAGE("convertElemToQuadratic");
int nbElem = 0;
if( !theSm ) return nbElem;
case SMDSEntity_Quad_Triangle:
case SMDSEntity_Quad_Quadrangle:
case SMDSEntity_Quad_Hexa:
+ case SMDSEntity_Quad_Penta:
alreadyOK = !theHelper.GetIsBiQuadratic(); break;
case SMDSEntity_BiQuad_Triangle:
case SMDSEntity_BiQuad_Quadrangle:
case SMDSEntity_TriQuad_Hexa:
+ case SMDSEntity_BiQuad_Penta:
alreadyOK = theHelper.GetIsBiQuadratic();
hasCentralNodes = true;
break;
default:
alreadyOK = true;
}
- // take into account already present modium nodes
+ // take into account already present medium nodes
switch ( aType ) {
case SMDSAbs_Volume:
theHelper.AddTLinks( static_cast< const SMDS_MeshVolume* >( elem )); break;
// remove a linear element
GetMeshDS()->RemoveFreeElement(elem, theSm, /*fromGroups=*/false);
- // remove central nodes of biquadratic elements (biquad->quad convertion)
+ // remove central nodes of biquadratic elements (biquad->quad conversion)
if ( hasCentralNodes )
for ( size_t i = nbNodes * 2; i < nodes.size(); ++i )
if ( nodes[i]->NbInverseElements() == 0 )
NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], nodes[4], id, theForce3d);
break;
case SMDSEntity_Penta:
+ case SMDSEntity_Quad_Penta:
+ case SMDSEntity_BiQuad_Penta:
NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], nodes[4], nodes[5], id, theForce3d);
break;
case SMDSEntity_Hexa:
void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d, const bool theToBiQuad)
{
+ //MESSAGE("ConvertToQuadratic "<< theForce3d << " " << theToBiQuad);
SMESHDS_Mesh* meshDS = GetMeshDS();
SMESH_MesherHelper aHelper(*myMesh);
{
case SMDSEntity_Quad_Hexa: alreadyOK = !theToBiQuad; break;
case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; break;
+ case SMDSEntity_Quad_Penta: alreadyOK = !theToBiQuad; break;
+ case SMDSEntity_BiQuad_Penta: alreadyOK = theToBiQuad; break;
default: alreadyOK = true;
}
if ( alreadyOK )
nodes[3], nodes[4], id, theForce3d);
break;
case SMDSEntity_Penta:
+ case SMDSEntity_Quad_Penta:
+ case SMDSEntity_BiQuad_Penta:
NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2],
nodes[3], nodes[4], nodes[5], id, theForce3d);
+ for ( size_t i = 15; i < nodes.size(); ++i ) // rm central nodes
+ if ( nodes[i]->NbInverseElements() == 0 )
+ GetMeshDS()->RemoveFreeNode( nodes[i], /*sm=*/0, /*fromGroups=*/true );
break;
case SMDSEntity_Hexagonal_Prism:
default:
{
int nbElem = 0;
SMESHDS_Mesh* meshDS = GetMeshDS();
+ ElemFeatures elemType;
+ vector<const SMDS_MeshNode *> nodes;
while( theItr->more() )
{
nbElem++;
if( elem && elem->IsQuadratic())
{
- int id = elem->GetID();
- int nbCornerNodes = elem->NbCornerNodes();
- SMDSAbs_ElementType aType = elem->GetType();
+ // get elem data
+ int nbCornerNodes = elem->NbCornerNodes();
+ nodes.assign( elem->begin_nodes(), elem->end_nodes() );
- vector<const SMDS_MeshNode *> nodes( elem->begin_nodes(), elem->end_nodes() );
+ elemType.Init( elem, /*basicOnly=*/false ).SetID( elem->GetID() ).SetQuad( false );
//remove a quadratic element
if ( !theSm || !theSm->Contains( elem ))
meshDS->RemoveFreeElement( elem, theSm, /*fromGroups=*/false );
// remove medium nodes
- for ( unsigned i = nbCornerNodes; i < nodes.size(); ++i )
+ for ( size_t i = nbCornerNodes; i < nodes.size(); ++i )
if ( nodes[i]->NbInverseElements() == 0 )
meshDS->RemoveFreeNode( nodes[i], theSm );
// add a linear element
nodes.resize( nbCornerNodes );
- SMDS_MeshElement * newElem = AddElement( nodes, aType, false, id );
+ SMDS_MeshElement * newElem = AddElement( nodes, elemType );
ReplaceElemInGroups(elem, newElem, meshDS);
if( theSm && newElem )
theSm->AddElement( newElem );
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE ("::::SewSideElements()");
if ( theSide1.size() != theSide2.size() )
return SEW_DIFF_NB_OF_ELEMENTS;
// face does not exist
SMESHDS_Mesh* aMesh = GetMeshDS();
- // TODO algoritm not OK with vtkUnstructuredGrid: 2 meshes can't share nodes
+ // TODO algorithm not OK with vtkUnstructuredGrid: 2 meshes can't share nodes
//SMDS_Mesh aTmpFacesMesh; // try to use the same mesh
TIDSortedElemSet faceSet1, faceSet2;
set<const SMDS_MeshElement*> volSet1, volSet2;
if ( aResult != SEW_OK)
return aResult;
- list< int > nodeIDsToRemove/*, elemIDsToRemove*/;
+ list< int > nodeIDsToRemove;
+ vector< const SMDS_MeshNode*> nodes;
+ ElemFeatures elemType;
+
// loop on nodes replacement map
TNodeNodeMap::iterator nReplaceMapIt = nReplaceMap.begin(), nnIt;
for ( ; nReplaceMapIt != nReplaceMap.end(); nReplaceMapIt++ )
- if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second ) {
+ if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second )
+ {
const SMDS_MeshNode* nToRemove = (*nReplaceMapIt).first;
nodeIDsToRemove.push_back( nToRemove->GetID() );
// loop on elements sharing nToRemove
const SMDS_MeshElement* e = invElemIt->next();
// get a new suite of nodes: make replacement
int nbReplaced = 0, i = 0, nbNodes = e->NbNodes();
- vector< const SMDS_MeshNode*> nodes( nbNodes );
+ nodes.resize( nbNodes );
SMDS_ElemIteratorPtr nIt = e->nodesIterator();
while ( nIt->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( nIt->next() );
+ const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
nnIt = nReplaceMap.find( n );
if ( nnIt != nReplaceMap.end() ) {
nbReplaced++;
// elemIDsToRemove.push_back( e->GetID() );
// else
if ( nbReplaced )
+ {
+ elemType.Init( e, /*basicOnly=*/false ).SetID( e->GetID() );
+ aMesh->RemoveElement( e );
+
+ if ( SMDS_MeshElement* newElem = this->AddElement( nodes, elemType ))
{
- SMDSAbs_ElementType etyp = e->GetType();
- SMDS_MeshElement* newElem = this->AddElement(nodes, etyp, false);
- if (newElem)
- {
- myLastCreatedElems.Append(newElem);
- AddToSameGroups(newElem, e, aMesh);
- int aShapeId = e->getshapeId();
- if ( aShapeId )
- {
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- }
- }
- aMesh->RemoveElement(e);
+ AddToSameGroups( newElem, e, aMesh );
+ if ( int aShapeId = e->getshapeId() )
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
}
+ }
}
}
return SEW_OK;
}
-//================================================================================
-/*!
- * \brief Create elements equal (on same nodes) to given ones
- * \param [in] theElements - a set of elems to duplicate. If it is empty, all
- * elements of the uppest dimension are duplicated.
- */
-//================================================================================
-
-void SMESH_MeshEditor::DoubleElements( const TIDSortedElemSet& theElements )
+namespace // automatically find theAffectedElems for DoubleNodes()
{
- CrearLastCreated();
- SMESHDS_Mesh* mesh = GetMeshDS();
-
- // get an element type and an iterator over elements
+ bool isOut( const SMDS_MeshNode* n, const gp_XYZ& norm, const SMDS_MeshElement* elem );
- SMDSAbs_ElementType type;
- SMDS_ElemIteratorPtr elemIt;
- vector< const SMDS_MeshElement* > allElems;
- if ( theElements.empty() )
+ //--------------------------------------------------------------------------------
+ // Nodes shared by adjacent FissureBorder's.
+ // 1 node if FissureBorder separates faces
+ // 2 nodes if FissureBorder separates volumes
+ struct SubBorder
{
- if ( mesh->NbNodes() == 0 )
- return;
- // get most complex type
- SMDSAbs_ElementType types[SMDSAbs_NbElementTypes] = {
- SMDSAbs_Volume, SMDSAbs_Face, SMDSAbs_Edge,
- SMDSAbs_0DElement, SMDSAbs_Ball, SMDSAbs_Node
- };
- for ( int i = 0; i < SMDSAbs_NbElementTypes; ++i )
- if ( mesh->GetMeshInfo().NbElements( types[i] ))
+ const SMDS_MeshNode* _nodes[2];
+ int _nbNodes;
+
+ SubBorder( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 = 0 )
+ {
+ _nodes[0] = n1;
+ _nodes[1] = n2;
+ _nbNodes = bool( n1 ) + bool( n2 );
+ if ( _nbNodes == 2 && n1 > n2 )
+ std::swap( _nodes[0], _nodes[1] );
+ }
+ bool operator<( const SubBorder& other ) const
+ {
+ for ( int i = 0; i < _nbNodes; ++i )
{
- type = types[i];
- break;
+ if ( _nodes[i] < other._nodes[i] ) return true;
+ if ( _nodes[i] > other._nodes[i] ) return false;
}
- // put all elements in the vector <allElems>
- allElems.reserve( mesh->GetMeshInfo().NbElements( type ));
- elemIt = mesh->elementsIterator( type );
- while ( elemIt->more() )
- allElems.push_back( elemIt->next());
- elemIt = elemSetIterator( allElems );
- }
- else
- {
- type = (*theElements.begin())->GetType();
- elemIt = elemSetIterator( theElements );
- }
+ return false;
+ }
+ };
- // duplicate elements
+ //--------------------------------------------------------------------------------
+ // Map a SubBorder to all FissureBorder it bounds
+ struct FissureBorder;
+ typedef std::map< SubBorder, std::vector< FissureBorder* > > TBorderLinks;
+ typedef TBorderLinks::iterator TMappedSub;
- if ( type == SMDSAbs_Ball )
+ //--------------------------------------------------------------------------------
+ /*!
+ * \brief Element border (volume facet or face edge) at a fissure
+ */
+ struct FissureBorder
{
- SMDS_UnstructuredGrid* vtkGrid = mesh->getGrid();
- while ( elemIt->more() )
+ std::vector< const SMDS_MeshNode* > _nodes; // border nodes
+ const SMDS_MeshElement* _elems[2]; // volume or face adjacent to fissure
+
+ std::vector< TMappedSub > _mappedSubs; // Sub() in TBorderLinks map
+ std::vector< const SMDS_MeshNode* > _sortedNodes; // to compare FissureBorder's
+
+ FissureBorder( FissureBorder && from ) // move constructor
{
- const SMDS_MeshElement* elem = elemIt->next();
- if ( elem->GetType() != SMDSAbs_Ball )
- continue;
- if (( elem = mesh->AddBall( elem->GetNode(0),
- vtkGrid->GetBallDiameter( elem->getVtkId() ))))
- myLastCreatedElems.Append( elem );
+ std::swap( _nodes, from._nodes );
+ std::swap( _sortedNodes, from._sortedNodes );
+ _elems[0] = from._elems[0];
+ _elems[1] = from._elems[1];
}
- }
- else
- {
- vector< const SMDS_MeshNode* > nodes;
- while ( elemIt->more() )
+
+ FissureBorder( const SMDS_MeshElement* elemToDuplicate,
+ std::vector< const SMDS_MeshElement* > & adjElems)
+ : _nodes( elemToDuplicate->NbCornerNodes() )
{
- const SMDS_MeshElement* elem = elemIt->next();
- if ( elem->GetType() != type )
- continue;
+ for ( size_t i = 0; i < _nodes.size(); ++i )
+ _nodes[i] = elemToDuplicate->GetNode( i );
- nodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ SMDSAbs_ElementType type = SMDSAbs_ElementType( elemToDuplicate->GetType() + 1 );
+ findAdjacent( type, adjElems );
+ }
+
+ FissureBorder( const SMDS_MeshNode** nodes,
+ const size_t nbNodes,
+ const SMDSAbs_ElementType adjElemsType,
+ std::vector< const SMDS_MeshElement* > & adjElems)
+ : _nodes( nodes, nodes + nbNodes )
+ {
+ findAdjacent( adjElemsType, adjElems );
+ }
+
+ void findAdjacent( const SMDSAbs_ElementType adjElemsType,
+ std::vector< const SMDS_MeshElement* > & adjElems)
+ {
+ _elems[0] = _elems[1] = 0;
+ adjElems.clear();
+ if ( SMDS_Mesh::GetElementsByNodes( _nodes, adjElems, adjElemsType ))
+ for ( size_t i = 0; i < adjElems.size() && i < 2; ++i )
+ _elems[i] = adjElems[i];
+ }
+
+ bool operator<( const FissureBorder& other ) const
+ {
+ return GetSortedNodes() < other.GetSortedNodes();
+ }
- if ( type == SMDSAbs_Volume && elem->GetVtkType() == VTK_POLYHEDRON )
+ const std::vector< const SMDS_MeshNode* >& GetSortedNodes() const
+ {
+ if ( _sortedNodes.empty() && !_nodes.empty() )
{
- std::vector<int> quantities =
- static_cast< const SMDS_VtkVolume* >( elem )->GetQuantities();
- elem = mesh->AddPolyhedralVolume( nodes, quantities );
+ FissureBorder* me = const_cast<FissureBorder*>( this );
+ me->_sortedNodes = me->_nodes;
+ std::sort( me->_sortedNodes.begin(), me->_sortedNodes.end() );
}
- else
+ return _sortedNodes;
+ }
+
+ size_t NbSub() const
+ {
+ return _nodes.size();
+ }
+
+ SubBorder Sub(size_t i) const
+ {
+ return SubBorder( _nodes[i], NbSub() > 2 ? _nodes[ (i+1)%NbSub() ] : 0 );
+ }
+
+ void AddSelfTo( TBorderLinks& borderLinks )
+ {
+ _mappedSubs.resize( NbSub() );
+ for ( size_t i = 0; i < NbSub(); ++i )
{
- AddElement( nodes, type, elem->IsPoly() );
- elem = 0; // myLastCreatedElems is already filled
+ TBorderLinks::iterator s2b =
+ borderLinks.insert( std::make_pair( Sub(i), TBorderLinks::mapped_type() )).first;
+ s2b->second.push_back( this );
+ _mappedSubs[ i ] = s2b;
}
- if ( elem )
- myLastCreatedElems.Append( elem );
}
- }
-}
-//================================================================================
-/*!
- \brief Creates a hole in a mesh by doubling the nodes of some particular elements
- \param theElems - the list of elements (edges or faces) to be replicated
- The nodes for duplication could be found from these elements
- \param theNodesNot - list of nodes to NOT replicate
- \param theAffectedElems - the list of elements (cells and edges) to which the
- replicated nodes should be associated to.
- \return TRUE if operation has been completed successfully, FALSE otherwise
-*/
-//================================================================================
+ void Clear()
+ {
+ _nodes.clear();
+ }
-bool SMESH_MeshEditor::DoubleNodes( const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- const TIDSortedElemSet& theAffectedElems )
-{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ const SMDS_MeshElement* GetMarkedElem() const
+ {
+ if ( _nodes.empty() ) return 0; // cleared
+ if ( _elems[0] && _elems[0]->isMarked() ) return _elems[0];
+ if ( _elems[1] && _elems[1]->isMarked() ) return _elems[1];
+ return 0;
+ }
- if ( theElems.size() == 0 )
- return false;
+ gp_XYZ GetNorm() const // normal to the border
+ {
+ gp_XYZ norm;
+ if ( _nodes.size() == 2 )
+ {
+ gp_XYZ avgNorm( 0,0,0 ); // sum of normals of adjacent faces
+ if ( SMESH_MeshAlgos::FaceNormal( _elems[0], norm ))
+ avgNorm += norm;
+ if ( SMESH_MeshAlgos::FaceNormal( _elems[1], norm ))
+ avgNorm += norm;
- SMESHDS_Mesh* aMeshDS = GetMeshDS();
- if ( !aMeshDS )
- return false;
+ gp_XYZ bordDir( SMESH_NodeXYZ( _nodes[0] ) - SMESH_NodeXYZ( _nodes[1] ));
+ norm = bordDir ^ avgNorm;
+ }
+ else
+ {
+ SMESH_NodeXYZ p0( _nodes[0] );
+ SMESH_NodeXYZ p1( _nodes[1] );
+ SMESH_NodeXYZ p2( _nodes[2] );
+ norm = ( p0 - p1 ) ^ ( p2 - p1 );
+ }
+ if ( isOut( _nodes[0], norm, GetMarkedElem() ))
+ norm.Reverse();
- bool res = false;
- std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
- // duplicate elements and nodes
- res = doubleNodes( aMeshDS, theElems, theNodesNot, anOldNodeToNewNode, true );
- // replce nodes by duplications
- res = doubleNodes( aMeshDS, theAffectedElems, theNodesNot, anOldNodeToNewNode, false );
- return res;
-}
+ return norm;
+ }
-//================================================================================
-/*!
- \brief Creates a hole in a mesh by doubling the nodes of some particular elements
- \param theMeshDS - mesh instance
- \param theElems - the elements replicated or modified (nodes should be changed)
- \param theNodesNot - nodes to NOT replicate
- \param theNodeNodeMap - relation of old node to new created node
- \param theIsDoubleElem - flag os to replicate element or modify
- \return TRUE if operation has been completed successfully, FALSE otherwise
-*/
-//================================================================================
+ void ChooseSide() // mark an _elem located at positive side of fissure
+ {
+ _elems[0]->setIsMarked( true );
+ gp_XYZ norm = GetNorm();
+ double maxX = norm.Coord(1);
+ if ( Abs( maxX ) < Abs( norm.Coord(2)) ) maxX = norm.Coord(2);
+ if ( Abs( maxX ) < Abs( norm.Coord(3)) ) maxX = norm.Coord(3);
+ if ( maxX < 0 )
+ {
+ _elems[0]->setIsMarked( false );
+ _elems[1]->setIsMarked( true );
+ }
+ }
-bool SMESH_MeshEditor::doubleNodes( SMESHDS_Mesh* theMeshDS,
- const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- std::map< const SMDS_MeshNode*,
- const SMDS_MeshNode* >& theNodeNodeMap,
- const bool theIsDoubleElem )
-{
- MESSAGE("doubleNodes");
- // iterate on through element and duplicate them (by nodes duplication)
- bool res = false;
- TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- for ( ; elemItr != theElems.end(); ++elemItr )
+ }; // struct FissureBorder
+
+ //--------------------------------------------------------------------------------
+ /*!
+ * \brief Classifier of elements at fissure edge
+ */
+ class FissureNormal
{
- const SMDS_MeshElement* anElem = *elemItr;
- if (!anElem)
+ std::vector< gp_XYZ > _normals;
+ bool _bothIn;
+
+ public:
+ void Add( const SMDS_MeshNode* n, const FissureBorder& bord )
+ {
+ _bothIn = false;
+ _normals.reserve(2);
+ _normals.push_back( bord.GetNorm() );
+ if ( _normals.size() == 2 )
+ _bothIn = !isOut( n, _normals[0], bord.GetMarkedElem() );
+ }
+
+ bool IsIn( const SMDS_MeshNode* n, const SMDS_MeshElement* elem ) const
+ {
+ bool isIn = false;
+ switch ( _normals.size() ) {
+ case 1:
+ {
+ isIn = !isOut( n, _normals[0], elem );
+ break;
+ }
+ case 2:
+ {
+ bool in1 = !isOut( n, _normals[0], elem );
+ bool in2 = !isOut( n, _normals[1], elem );
+ isIn = _bothIn ? ( in1 && in2 ) : ( in1 || in2 );
+ }
+ }
+ return isIn;
+ }
+ };
+
+ //================================================================================
+ /*!
+ * \brief Classify an element by a plane passing through a node
+ */
+ //================================================================================
+
+ bool isOut( const SMDS_MeshNode* n, const gp_XYZ& norm, const SMDS_MeshElement* elem )
+ {
+ SMESH_NodeXYZ p = n;
+ double sumDot = 0;
+ for ( int i = 0, nb = elem->NbCornerNodes(); i < nb; ++i )
+ {
+ SMESH_NodeXYZ pi = elem->GetNode( i );
+ sumDot += norm * ( pi - p );
+ }
+ return sumDot < -1e-100;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Find FissureBorder's by nodes to duplicate
+ */
+ //================================================================================
+
+ void findFissureBorders( const TIDSortedElemSet& theNodes,
+ std::vector< FissureBorder > & theFissureBorders )
+ {
+ TIDSortedElemSet::const_iterator nIt = theNodes.begin();
+ const SMDS_MeshNode* n = dynamic_cast< const SMDS_MeshNode*>( *nIt );
+ if ( !n ) return;
+ SMDSAbs_ElementType elemType = SMDSAbs_Volume;
+ if ( n->NbInverseElements( elemType ) == 0 )
+ {
+ elemType = SMDSAbs_Face;
+ if ( n->NbInverseElements( elemType ) == 0 )
+ return;
+ }
+ // unmark elements touching the fissure
+ for ( ; nIt != theNodes.end(); ++nIt )
+ SMESH_MeshAlgos::MarkElems( cast2Node(*nIt)->GetInverseElementIterator(), false );
+
+ // loop on elements touching the fissure to get their borders belonging to the fissure
+ std::set< FissureBorder > fissureBorders;
+ std::vector< const SMDS_MeshElement* > adjElems;
+ std::vector< const SMDS_MeshNode* > nodes;
+ SMDS_VolumeTool volTool;
+ for ( nIt = theNodes.begin(); nIt != theNodes.end(); ++nIt )
+ {
+ SMDS_ElemIteratorPtr invIt = cast2Node(*nIt)->GetInverseElementIterator( elemType );
+ while ( invIt->more() )
+ {
+ const SMDS_MeshElement* eInv = invIt->next();
+ if ( eInv->isMarked() ) continue;
+ eInv->setIsMarked( true );
+
+ if ( elemType == SMDSAbs_Volume )
+ {
+ volTool.Set( eInv );
+ int iQuad = eInv->IsQuadratic() ? 2 : 1;
+ for ( int iF = 0, nbF = volTool.NbFaces(); iF < nbF; ++iF )
+ {
+ const SMDS_MeshNode** nn = volTool.GetFaceNodes( iF );
+ int nbN = volTool.NbFaceNodes( iF ) / iQuad;
+ nodes.clear();
+ bool allOnFissure = true;
+ for ( int iN = 0; iN < nbN && allOnFissure; iN += iQuad )
+ if (( allOnFissure = theNodes.count( nn[ iN ])))
+ nodes.push_back( nn[ iN ]);
+ if ( allOnFissure )
+ fissureBorders.insert( std::move( FissureBorder( &nodes[0], nodes.size(),
+ elemType, adjElems )));
+ }
+ }
+ else // elemType == SMDSAbs_Face
+ {
+ const SMDS_MeshNode* nn[2] = { eInv->GetNode( eInv->NbCornerNodes()-1 ), 0 };
+ bool onFissure0 = theNodes.count( nn[0] ), onFissure1;
+ for ( int iN = 0, nbN = eInv->NbCornerNodes(); iN < nbN; ++iN )
+ {
+ nn[1] = eInv->GetNode( iN );
+ onFissure1 = theNodes.count( nn[1] );
+ if ( onFissure0 && onFissure1 )
+ fissureBorders.insert( std::move( FissureBorder( nn, 2, elemType, adjElems )));
+ nn[0] = nn[1];
+ onFissure0 = onFissure1;
+ }
+ }
+ }
+ }
+
+ theFissureBorders.reserve( theFissureBorders.size() + fissureBorders.size());
+ std::set< FissureBorder >::iterator bord = fissureBorders.begin();
+ for ( ; bord != fissureBorders.end(); ++bord )
+ {
+ theFissureBorders.push_back( std::move( const_cast<FissureBorder&>( *bord ) ));
+ }
+ return;
+ } // findFissureBorders()
+
+ //================================================================================
+ /*!
+ * \brief Find elements on one side of a fissure defined by elements or nodes to duplicate
+ * \param [in] theElemsOrNodes - elements or nodes to duplicate
+ * \param [in] theNodesNot - nodes not to duplicate
+ * \param [out] theAffectedElems - the found elements
+ */
+ //================================================================================
+
+ void findAffectedElems( const TIDSortedElemSet& theElemsOrNodes,
+ TIDSortedElemSet& theAffectedElems)
+ {
+ if ( theElemsOrNodes.empty() ) return;
+
+ // find FissureBorder's
+
+ std::vector< FissureBorder > fissure;
+ std::vector< const SMDS_MeshElement* > elemsByFacet;
+
+ TIDSortedElemSet::const_iterator elIt = theElemsOrNodes.begin();
+ if ( (*elIt)->GetType() == SMDSAbs_Node )
+ {
+ findFissureBorders( theElemsOrNodes, fissure );
+ }
+ else
+ {
+ fissure.reserve( theElemsOrNodes.size() );
+ for ( ; elIt != theElemsOrNodes.end(); ++elIt )
+ fissure.push_back( std::move( FissureBorder( *elIt, elemsByFacet )));
+ }
+ if ( fissure.empty() )
+ return;
+
+ // fill borderLinks
+
+ TBorderLinks borderLinks;
+
+ for ( size_t i = 0; i < fissure.size(); ++i )
+ {
+ fissure[i].AddSelfTo( borderLinks );
+ }
+
+ // get theAffectedElems
+
+ // unmark elements having nodes on the fissure, theAffectedElems elements will be marked
+ for ( size_t i = 0; i < fissure.size(); ++i )
+ for ( size_t j = 0; j < fissure[i]._nodes.size(); ++j )
+ {
+ SMESH_MeshAlgos::MarkElemNodes( fissure[i]._nodes[j]->GetInverseElementIterator(),
+ false, /*markElem=*/true );
+ }
+
+ std::vector<const SMDS_MeshNode *> facetNodes;
+ std::map< const SMDS_MeshNode*, FissureNormal > fissEdgeNodes2Norm;
+ boost::container::flat_set< const SMDS_MeshNode* > fissureNodes;
+
+ // choose a side of fissure
+ fissure[0].ChooseSide();
+ theAffectedElems.insert( fissure[0].GetMarkedElem() );
+
+ size_t nbCheckedBorders = 0;
+ while ( nbCheckedBorders < fissure.size() )
+ {
+ // find a FissureBorder to treat
+ FissureBorder* bord = 0;
+ for ( size_t i = 0; i < fissure.size() && !bord; ++i )
+ if ( fissure[i].GetMarkedElem() )
+ bord = & fissure[i];
+ for ( size_t i = 0; i < fissure.size() && !bord; ++i )
+ if ( fissure[i].NbSub() > 0 && fissure[i]._elems[0] )
+ {
+ bord = & fissure[i];
+ bord->ChooseSide();
+ theAffectedElems.insert( bord->GetMarkedElem() );
+ }
+ if ( !bord ) return;
+ ++nbCheckedBorders;
+
+ // treat FissureBorder's linked to bord
+ fissureNodes.clear();
+ fissureNodes.insert( bord->_nodes.begin(), bord->_nodes.end() );
+ for ( size_t i = 0; i < bord->NbSub(); ++i )
+ {
+ TBorderLinks::iterator l2b = bord->_mappedSubs[ i ];
+ if ( l2b == borderLinks.end() || l2b->second.empty() ) continue;
+ std::vector< FissureBorder* >& linkedBorders = l2b->second;
+ const SubBorder& sb = l2b->first;
+ const SMDS_MeshElement* bordElem = bord->GetMarkedElem();
+
+ if ( linkedBorders.size() == 1 ) // fissure edge reached, fill fissEdgeNodes2Norm
+ {
+ for ( int j = 0; j < sb._nbNodes; ++j )
+ fissEdgeNodes2Norm[ sb._nodes[j] ].Add( sb._nodes[j], *bord );
+ continue;
+ }
+
+ // add to theAffectedElems elems sharing nodes of a SubBorder and a node of bordElem
+ // until an elem adjacent to a neighbour FissureBorder is found
+ facetNodes.clear();
+ facetNodes.insert( facetNodes.end(), sb._nodes, sb._nodes + sb._nbNodes );
+ facetNodes.resize( sb._nbNodes + 1 );
+
+ while ( bordElem )
+ {
+ // check if bordElem is adjacent to a neighbour FissureBorder
+ for ( size_t j = 0; j < linkedBorders.size(); ++j )
+ {
+ FissureBorder* bord2 = linkedBorders[j];
+ if ( bord2 == bord ) continue;
+ if ( bordElem == bord2->_elems[0] || bordElem == bord2->_elems[1] )
+ bordElem = 0;
+ else
+ fissureNodes.insert( bord2->_nodes.begin(), bord2->_nodes.end() );
+ }
+ if ( !bordElem )
+ break;
+
+ // find the next bordElem
+ const SMDS_MeshElement* nextBordElem = 0;
+ for ( int iN = 0, nbN = bordElem->NbCornerNodes(); iN < nbN && !nextBordElem; ++iN )
+ {
+ const SMDS_MeshNode* n = bordElem->GetNode( iN );
+ if ( fissureNodes.count( n )) continue;
+
+ facetNodes[ sb._nbNodes ] = n;
+ elemsByFacet.clear();
+ if ( SMDS_Mesh::GetElementsByNodes( facetNodes, elemsByFacet ) > 1 )
+ {
+ for ( size_t iE = 0; iE < elemsByFacet.size(); ++iE )
+ if ( elemsByFacet[ iE ] != bordElem &&
+ !elemsByFacet[ iE ]->isMarked() )
+ {
+ theAffectedElems.insert( elemsByFacet[ iE ]);
+ elemsByFacet[ iE ]->setIsMarked( true );
+ if ( elemsByFacet[ iE ]->GetType() == bordElem->GetType() )
+ nextBordElem = elemsByFacet[ iE ];
+ }
+ }
+ }
+ bordElem = nextBordElem;
+
+ } // while ( bordElem )
+
+ linkedBorders.clear(); // not to treat this link any more
+
+ } // loop on SubBorder's of a FissureBorder
+
+ bord->Clear();
+
+ } // loop on FissureBorder's
+
+
+ // add elements sharing only one node of the fissure, except those sharing fissure edge nodes
+
+ // mark nodes of theAffectedElems
+ SMESH_MeshAlgos::MarkElemNodes( theAffectedElems.begin(), theAffectedElems.end(), true );
+
+ // unmark nodes of the fissure
+ elIt = theElemsOrNodes.begin();
+ if ( (*elIt)->GetType() == SMDSAbs_Node )
+ SMESH_MeshAlgos::MarkElems( elIt, theElemsOrNodes.end(), false );
+ else
+ SMESH_MeshAlgos::MarkElemNodes( elIt, theElemsOrNodes.end(), false );
+
+ std::vector< gp_XYZ > normVec;
+
+ // loop on nodes of the fissure, add elements having marked nodes
+ for ( elIt = theElemsOrNodes.begin(); elIt != theElemsOrNodes.end(); ++elIt )
+ {
+ const SMDS_MeshElement* e = (*elIt);
+ if ( e->GetType() != SMDSAbs_Node )
+ e->setIsMarked( true ); // avoid adding a fissure element
+
+ for ( int iN = 0, nbN = e->NbCornerNodes(); iN < nbN; ++iN )
+ {
+ const SMDS_MeshNode* n = e->GetNode( iN );
+ if ( fissEdgeNodes2Norm.count( n ))
+ continue;
+
+ SMDS_ElemIteratorPtr invIt = n->GetInverseElementIterator();
+ while ( invIt->more() )
+ {
+ const SMDS_MeshElement* eInv = invIt->next();
+ if ( eInv->isMarked() ) continue;
+ eInv->setIsMarked( true );
+
+ SMDS_ElemIteratorPtr nIt = eInv->nodesIterator();
+ while( nIt->more() )
+ if ( nIt->next()->isMarked())
+ {
+ theAffectedElems.insert( eInv );
+ SMESH_MeshAlgos::MarkElems( eInv->nodesIterator(), true );
+ n->setIsMarked( false );
+ break;
+ }
+ }
+ }
+ }
+
+ // add elements on the fissure edge
+ std::map< const SMDS_MeshNode*, FissureNormal >::iterator n2N;
+ for ( n2N = fissEdgeNodes2Norm.begin(); n2N != fissEdgeNodes2Norm.end(); ++n2N )
+ {
+ const SMDS_MeshNode* edgeNode = n2N->first;
+ const FissureNormal & normals = n2N->second;
+
+ SMDS_ElemIteratorPtr invIt = edgeNode->GetInverseElementIterator();
+ while ( invIt->more() )
+ {
+ const SMDS_MeshElement* eInv = invIt->next();
+ if ( eInv->isMarked() ) continue;
+ eInv->setIsMarked( true );
+
+ // classify eInv using normals
+ bool toAdd = normals.IsIn( edgeNode, eInv );
+ if ( toAdd ) // check if all nodes lie on the fissure edge
+ {
+ bool notOnEdge = false;
+ for ( int iN = 0, nbN = eInv->NbCornerNodes(); iN < nbN && !notOnEdge; ++iN )
+ notOnEdge = !fissEdgeNodes2Norm.count( eInv->GetNode( iN ));
+ toAdd = notOnEdge;
+ }
+ if ( toAdd )
+ {
+ theAffectedElems.insert( eInv );
+ }
+ }
+ }
+
+ return;
+ } // findAffectedElems()
+} // namespace
+
+//================================================================================
+/*!
+ * \brief Create elements equal (on same nodes) to given ones
+ * \param [in] theElements - a set of elems to duplicate. If it is empty, all
+ * elements of the uppest dimension are duplicated.
+ */
+//================================================================================
+
+void SMESH_MeshEditor::DoubleElements( const TIDSortedElemSet& theElements )
+{
+ ClearLastCreated();
+ SMESHDS_Mesh* mesh = GetMeshDS();
+
+ // get an element type and an iterator over elements
+
+ SMDSAbs_ElementType type = SMDSAbs_All;
+ SMDS_ElemIteratorPtr elemIt;
+ if ( theElements.empty() )
+ {
+ if ( mesh->NbNodes() == 0 )
+ return;
+ // get most complex type
+ SMDSAbs_ElementType types[SMDSAbs_NbElementTypes] = {
+ SMDSAbs_Volume, SMDSAbs_Face, SMDSAbs_Edge,
+ SMDSAbs_0DElement, SMDSAbs_Ball, SMDSAbs_Node
+ };
+ for ( int i = 0; i < SMDSAbs_NbElementTypes; ++i )
+ if ( mesh->GetMeshInfo().NbElements( types[i] ))
+ {
+ type = types[i];
+ break;
+ }
+ elemIt = mesh->elementsIterator( type );
+ }
+ else
+ {
+ type = (*theElements.begin())->GetType();
+ elemIt = elemSetIterator( theElements );
+ }
+
+ // un-mark all elements to avoid duplicating just created elements
+ SMESH_MeshAlgos::MarkElems( mesh->elementsIterator( type ), false );
+
+ // duplicate elements
+
+ ElemFeatures elemType;
+
+ vector< const SMDS_MeshNode* > nodes;
+ while ( elemIt->more() )
+ {
+ const SMDS_MeshElement* elem = elemIt->next();
+ if ( elem->GetType() != type || elem->isMarked() )
continue;
- bool isDuplicate = false;
+ elemType.Init( elem, /*basicOnly=*/false );
+ nodes.assign( elem->begin_nodes(), elem->end_nodes() );
+
+ if ( const SMDS_MeshElement* newElem = AddElement( nodes, elemType ))
+ newElem->setIsMarked( true );
+ }
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theElems - the list of elements (edges or faces) to be replicated
+ The nodes for duplication could be found from these elements
+ \param theNodesNot - list of nodes to NOT replicate
+ \param theAffectedElems - the list of elements (cells and edges) to which the
+ replicated nodes should be associated to.
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
+
+bool SMESH_MeshEditor::DoubleNodes( const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ const TIDSortedElemSet& theAffectedElems )
+{
+ ClearLastCreated();
+
+ if ( theElems.size() == 0 )
+ return false;
+
+ SMESHDS_Mesh* aMeshDS = GetMeshDS();
+ if ( !aMeshDS )
+ return false;
+
+ bool res = false;
+ TNodeNodeMap anOldNodeToNewNode;
+ // duplicate elements and nodes
+ res = doubleNodes( aMeshDS, theElems, theNodesNot, anOldNodeToNewNode, true );
+ // replce nodes by duplications
+ res = doubleNodes( aMeshDS, theAffectedElems, theNodesNot, anOldNodeToNewNode, false );
+ return res;
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theMeshDS - mesh instance
+ \param theElems - the elements replicated or modified (nodes should be changed)
+ \param theNodesNot - nodes to NOT replicate
+ \param theNodeNodeMap - relation of old node to new created node
+ \param theIsDoubleElem - flag os to replicate element or modify
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
+
+bool SMESH_MeshEditor::doubleNodes(SMESHDS_Mesh* theMeshDS,
+ const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ TNodeNodeMap& theNodeNodeMap,
+ const bool theIsDoubleElem )
+{
+ // iterate through element and duplicate them (by nodes duplication)
+ bool res = false;
+ std::vector<const SMDS_MeshNode*> newNodes;
+ ElemFeatures elemType;
+
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ for ( ; elemItr != theElems.end(); ++elemItr )
+ {
+ const SMDS_MeshElement* anElem = *elemItr;
+ // if (!anElem)
+ // continue;
+
// duplicate nodes to duplicate element
- std::vector<const SMDS_MeshNode*> newNodes( anElem->NbNodes() );
+ bool isDuplicate = false;
+ newNodes.resize( anElem->NbNodes() );
SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
int ind = 0;
while ( anIter->more() )
{
-
- SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
- SMDS_MeshNode* aNewNode = aCurrNode;
- if ( theNodeNodeMap.find( aCurrNode ) != theNodeNodeMap.end() )
- aNewNode = (SMDS_MeshNode*)theNodeNodeMap[ aCurrNode ];
- else if ( theIsDoubleElem && theNodesNot.find( aCurrNode ) == theNodesNot.end() )
+ const SMDS_MeshNode* aCurrNode = static_cast<const SMDS_MeshNode*>( anIter->next() );
+ const SMDS_MeshNode* aNewNode = aCurrNode;
+ TNodeNodeMap::iterator n2n = theNodeNodeMap.find( aCurrNode );
+ if ( n2n != theNodeNodeMap.end() )
+ {
+ aNewNode = n2n->second;
+ }
+ else if ( theIsDoubleElem && !theNodesNot.count( aCurrNode ))
{
// duplicate node
aNewNode = theMeshDS->AddNode( aCurrNode->X(), aCurrNode->Y(), aCurrNode->Z() );
continue;
if ( theIsDoubleElem )
- AddElement(newNodes, anElem->GetType(), anElem->IsPoly());
+ AddElement( newNodes, elemType.Init( anElem, /*basicOnly=*/false ));
else
- theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
+ theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], newNodes.size() );
res = true;
}
bool SMESH_MeshEditor::DoubleNodes( const std::list< int >& theListOfNodes,
const std::list< int >& theListOfModifiedElems )
{
- MESSAGE("DoubleNodes");
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ ClearLastCreated();
if ( theListOfNodes.size() == 0 )
return false;
std::list< int >::const_iterator aNodeIter;
for ( aNodeIter = theListOfNodes.begin(); aNodeIter != theListOfNodes.end(); ++aNodeIter )
{
- int aCurr = *aNodeIter;
- SMDS_MeshNode* aNode = (SMDS_MeshNode*)aMeshDS->FindNode( aCurr );
+ const SMDS_MeshNode* aNode = aMeshDS->FindNode( *aNodeIter );
if ( !aNode )
continue;
}
}
- // Create map of new nodes for modified elements
+ // Change nodes of elements
- std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> > anElemToNodes;
+ std::vector<const SMDS_MeshNode*> aNodeArr;
std::list< int >::const_iterator anElemIter;
- for ( anElemIter = theListOfModifiedElems.begin();
- anElemIter != theListOfModifiedElems.end(); ++anElemIter )
+ for ( anElemIter = theListOfModifiedElems.begin();
+ anElemIter != theListOfModifiedElems.end();
+ anElemIter++ )
{
- int aCurr = *anElemIter;
- SMDS_MeshElement* anElem = (SMDS_MeshElement*)aMeshDS->FindElement( aCurr );
+ const SMDS_MeshElement* anElem = aMeshDS->FindElement( *anElemIter );
if ( !anElem )
continue;
- vector<const SMDS_MeshNode*> aNodeArr( anElem->NbNodes() );
-
- SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
- int ind = 0;
- while ( anIter->more() )
+ aNodeArr.assign( anElem->begin_nodes(), anElem->end_nodes() );
+ for( size_t i = 0; i < aNodeArr.size(); ++i )
{
- SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
- if ( aCurr && anOldNodeToNewNode.find( aCurrNode ) != anOldNodeToNewNode.end() )
- {
- const SMDS_MeshNode* aNewNode = anOldNodeToNewNode[ aCurrNode ];
- aNodeArr[ ind++ ] = aNewNode;
- }
- else
- aNodeArr[ ind++ ] = aCurrNode;
+ std::map< const SMDS_MeshNode*, const SMDS_MeshNode* >::iterator n2n =
+ anOldNodeToNewNode.find( aNodeArr[ i ]);
+ if ( n2n != anOldNodeToNewNode.end() )
+ aNodeArr[ i ] = n2n->second;
}
- anElemToNodes[ anElem ] = aNodeArr;
- }
-
- // Change nodes of elements
-
- std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> >::iterator
- anElemToNodesIter = anElemToNodes.begin();
- for ( ; anElemToNodesIter != anElemToNodes.end(); ++anElemToNodesIter )
- {
- const SMDS_MeshElement* anElem = anElemToNodesIter->first;
- vector<const SMDS_MeshNode*> aNodeArr = anElemToNodesIter->second;
- if ( anElem )
- {
- MESSAGE("ChangeElementNodes");
- aMeshDS->ChangeElementNodes( anElem, &aNodeArr[ 0 ], anElem->NbNodes() );
- }
+ aMeshDS->ChangeElementNodes( anElem, &aNodeArr[ 0 ], aNodeArr.size() );
}
return true;
{
gp_XYZ centerXYZ (0, 0, 0);
SMDS_ElemIteratorPtr aNodeItr = theElem->nodesIterator();
- while (aNodeItr->more())
- centerXYZ += SMESH_TNodeXYZ(cast2Node( aNodeItr->next()));
+ while ( aNodeItr->more() )
+ centerXYZ += SMESH_NodeXYZ( aNodeItr->next() );
gp_Pnt aPnt = centerXYZ / theElem->NbNodes();
theClassifier.Perform(aPnt, theTol);
(select elements with a gravity center on the side given by faces normals).
This mode (null shape) is faster, but works only when theElems are faces, with coherents orientations.
The replicated nodes should be associated to affected elements.
- \return groups of affected elements
+ \return true
\sa DoubleNodeElemGroupsInRegion()
- */
+*/
//================================================================================
bool SMESH_MeshEditor::AffectedElemGroupsInRegion( const TIDSortedElemSet& theElems,
{
if ( theShape.IsNull() )
{
- std::set<const SMDS_MeshNode*> alreadyCheckedNodes;
- std::set<const SMDS_MeshElement*> alreadyCheckedElems;
- std::set<const SMDS_MeshElement*> edgesToCheck;
- alreadyCheckedNodes.clear();
- alreadyCheckedElems.clear();
- edgesToCheck.clear();
-
- // --- iterates on elements to be replicated and get elements by back references from their nodes
-
- TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- int ielem;
- for ( ielem=1; elemItr != theElems.end(); ++elemItr )
- {
- SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
- if (!anElem || (anElem->GetType() != SMDSAbs_Face))
- continue;
- gp_XYZ normal;
- SMESH_MeshAlgos::FaceNormal( anElem, normal, /*normalized=*/true );
- MESSAGE("element " << ielem++ << " normal " << normal.X() << " " << normal.Y() << " " << normal.Z());
- std::set<const SMDS_MeshNode*> nodesElem;
- nodesElem.clear();
- SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
- while ( nodeItr->more() )
- {
- const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
- nodesElem.insert(aNode);
- }
- std::set<const SMDS_MeshNode*>::iterator nodit = nodesElem.begin();
- for (; nodit != nodesElem.end(); nodit++)
- {
- MESSAGE(" noeud ");
- const SMDS_MeshNode* aNode = *nodit;
- if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
- continue;
- if (alreadyCheckedNodes.find(aNode) != alreadyCheckedNodes.end())
- continue;
- alreadyCheckedNodes.insert(aNode);
- SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
- while ( backElemItr->more() )
- {
- MESSAGE(" backelem ");
- const SMDS_MeshElement* curElem = backElemItr->next();
- if (alreadyCheckedElems.find(curElem) != alreadyCheckedElems.end())
- continue;
- if (theElems.find(curElem) != theElems.end())
- continue;
- alreadyCheckedElems.insert(curElem);
- double x=0, y=0, z=0;
- int nb = 0;
- SMDS_ElemIteratorPtr nodeItr2 = curElem->nodesIterator();
- while ( nodeItr2->more() )
- {
- const SMDS_MeshNode* anotherNode = cast2Node(nodeItr2->next());
- x += anotherNode->X();
- y += anotherNode->Y();
- z += anotherNode->Z();
- nb++;
- }
- gp_XYZ p;
- p.SetCoord( x/nb -aNode->X(),
- y/nb -aNode->Y(),
- z/nb -aNode->Z() );
- MESSAGE(" check " << p.X() << " " << p.Y() << " " << p.Z());
- if (normal*p > 0)
- {
- MESSAGE(" --- inserted")
- theAffectedElems.insert( curElem );
- }
- else if (curElem->GetType() == SMDSAbs_Edge)
- edgesToCheck.insert(curElem);
- }
- }
- }
- // --- add also edges lying on the set of faces (all nodes in alreadyCheckedNodes)
- std::set<const SMDS_MeshElement*>::iterator eit = edgesToCheck.begin();
- for( ; eit != edgesToCheck.end(); eit++)
- {
- bool onside = true;
- const SMDS_MeshElement* anEdge = *eit;
- SMDS_ElemIteratorPtr nodeItr = anEdge->nodesIterator();
- while ( nodeItr->more() )
- {
- const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
- if (alreadyCheckedNodes.find(aNode) == alreadyCheckedNodes.end())
- {
- onside = false;
- break;
- }
- }
- if (onside)
- {
- MESSAGE(" --- edge onside inserted")
- theAffectedElems.insert(anEdge);
- }
- }
+ findAffectedElems( theElems, theAffectedElems );
}
else
{
// iterates on indicated elements and get elements by back references from their nodes
TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- int ielem;
- for ( ielem = 1; elemItr != theElems.end(); ++elemItr )
+ for ( ; elemItr != theElems.end(); ++elemItr )
{
- MESSAGE("element " << ielem++);
- SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
- if (!anElem)
- continue;
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
while ( nodeItr->more() )
{
- MESSAGE(" noeud ");
const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
continue;
SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
while ( backElemItr->more() )
{
- MESSAGE(" backelem ");
const SMDS_MeshElement* curElem = backElemItr->next();
if ( curElem && theElems.find(curElem) == theElems.end() &&
- ( bsc3d.get() ?
- isInside( curElem, *bsc3d, aTol ) :
- isInside( curElem, *aFaceClassifier, aTol )))
+ ( bsc3d.get() ?
+ isInside( curElem, *bsc3d, aTol ) :
+ isInside( curElem, *aFaceClassifier, aTol )))
theAffectedElems.insert( curElem );
}
}
return false;
const double aTol = Precision::Confusion();
- auto_ptr< BRepClass3d_SolidClassifier> bsc3d;
- auto_ptr<_FaceClassifier> aFaceClassifier;
+ SMESHUtils::Deleter< BRepClass3d_SolidClassifier> bsc3d;
+ SMESHUtils::Deleter<_FaceClassifier> aFaceClassifier;
if ( theShape.ShapeType() == TopAbs_SOLID )
{
- bsc3d.reset( new BRepClass3d_SolidClassifier(theShape));;
+ bsc3d._obj = new BRepClass3d_SolidClassifier( theShape );
bsc3d->PerformInfinitePoint(aTol);
}
else if (theShape.ShapeType() == TopAbs_FACE )
{
- aFaceClassifier.reset( new _FaceClassifier(TopoDS::Face(theShape)));
+ aFaceClassifier._obj = new _FaceClassifier( TopoDS::Face( theShape ));
}
// iterates on indicated elements and get elements by back references from their nodes
{
const SMDS_MeshElement* curElem = backElemItr->next();
if ( curElem && theElems.find(curElem) == theElems.end() &&
- ( bsc3d.get() ?
+ ( bsc3d ?
isInside( curElem, *bsc3d, aTol ) :
isInside( curElem, *aFaceClassifier, aTol )))
anAffected.insert( curElem );
*/
double SMESH_MeshEditor::OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2)
{
-// MESSAGE(" p0: " << p0.X() << " " << p0.Y() << " " << p0.Z());
-// MESSAGE(" p1: " << p1.X() << " " << p1.Y() << " " << p1.Z());
-// MESSAGE(" g1: " << g1.X() << " " << g1.Y() << " " << g1.Z());
-// MESSAGE(" g2: " << g2.X() << " " << g2.Y() << " " << g2.Z());
gp_Vec vref(p0, p1);
gp_Vec v1(p0, g1);
gp_Vec v2(p0, g2);
bool createJointElems,
bool onAllBoundaries)
{
- MESSAGE("----------------------------------------------");
- MESSAGE("SMESH_MeshEditor::doubleNodesOnGroupBoundaries");
- MESSAGE("----------------------------------------------");
+ // MESSAGE("----------------------------------------------");
+ // MESSAGE("SMESH_MeshEditor::doubleNodesOnGroupBoundaries");
+ // MESSAGE("----------------------------------------------");
SMESHDS_Mesh *meshDS = this->myMesh->GetMeshDS();
meshDS->BuildDownWardConnectivity(true);
std::set<int> emptySet;
emptyMap.clear();
- MESSAGE(".. Number of domains :"<<theElems.size());
+ //MESSAGE(".. Number of domains :"<<theElems.size());
TIDSortedElemSet theRestDomElems;
const int iRestDom = -1;
// Check if the domains do not share an element
for (int idom = 0; idom < nbDomains-1; idom++)
- {
-// MESSAGE("... Check of domain #" << idom);
- const TIDSortedElemSet& domain = theElems[idom];
- TIDSortedElemSet::const_iterator elemItr = domain.begin();
- for (; elemItr != domain.end(); ++elemItr)
+ {
+ // MESSAGE("... Check of domain #" << idom);
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for (; elemItr != domain.end(); ++elemItr)
+ {
+ const SMDS_MeshElement* anElem = *elemItr;
+ int idombisdeb = idom + 1 ;
+ // check if the element belongs to a domain further in the list
+ for ( size_t idombis = idombisdeb; idombis < theElems.size(); idombis++ )
+ {
+ const TIDSortedElemSet& domainbis = theElems[idombis];
+ if ( domainbis.count( anElem ))
{
- const SMDS_MeshElement* anElem = *elemItr;
- int idombisdeb = idom + 1 ;
- for (int idombis = idombisdeb; idombis < theElems.size(); idombis++) // check if the element belongs to a domain further in the list
- {
- const TIDSortedElemSet& domainbis = theElems[idombis];
- if ( domainbis.count(anElem) )
- {
- MESSAGE(".... Domain #" << idom);
- MESSAGE(".... Domain #" << idombis);
- throw SALOME_Exception("The domains are not disjoint.");
- return false ;
- }
- }
+ MESSAGE(".... Domain #" << idom);
+ MESSAGE(".... Domain #" << idombis);
+ throw SALOME_Exception("The domains are not disjoint.");
+ return false ;
}
+ }
}
+ }
for (int idom = 0; idom < nbDomains; idom++)
- {
+ {
- // --- build a map (face to duplicate --> volume to modify)
- // with all the faces shared by 2 domains (group of elements)
- // and corresponding volume of this domain, for each shared face.
- // a volume has a face shared by 2 domains if it has a neighbor which is not in his domain.
+ // --- build a map (face to duplicate --> volume to modify)
+ // with all the faces shared by 2 domains (group of elements)
+ // and corresponding volume of this domain, for each shared face.
+ // a volume has a face shared by 2 domains if it has a neighbor which is not in his domain.
- MESSAGE("... Neighbors of domain #" << idom);
- const TIDSortedElemSet& domain = theElems[idom];
- TIDSortedElemSet::const_iterator elemItr = domain.begin();
- for (; elemItr != domain.end(); ++elemItr)
+ //MESSAGE("... Neighbors of domain #" << idom);
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for (; elemItr != domain.end(); ++elemItr)
+ {
+ const SMDS_MeshElement* anElem = *elemItr;
+ if (!anElem)
+ continue;
+ int vtkId = anElem->getVtkId();
+ //MESSAGE(" vtkId " << vtkId << " smdsId " << anElem->GetID());
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
+ const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
+ if (elem && ! domain.count(elem)) // neighbor is in another domain : face is shared
{
- const SMDS_MeshElement* anElem = *elemItr;
- if (!anElem)
- continue;
- int vtkId = anElem->getVtkId();
- //MESSAGE(" vtkId " << vtkId << " smdsId " << anElem->GetID());
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
- for (int n = 0; n < nbNeighbors; n++)
+ bool ok = false;
+ for ( size_t idombis = 0; idombis < theElems.size() && !ok; idombis++) // check if the neighbor belongs to another domain of the list
+ {
+ // MESSAGE("Domain " << idombis);
+ const TIDSortedElemSet& domainbis = theElems[idombis];
+ if ( domainbis.count(elem)) ok = true ; // neighbor is in a correct domain : face is kept
+ }
+ if ( ok || onAllBoundaries ) // the characteristics of the face is stored
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ if (!faceDomains[face].count(idom))
{
- int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
- const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
- if (elem && ! domain.count(elem)) // neighbor is in another domain : face is shared
- {
- bool ok = false ;
- for (int idombis = 0; idombis < theElems.size() && !ok; idombis++) // check if the neighbor belongs to another domain of the list
- {
- // MESSAGE("Domain " << idombis);
- const TIDSortedElemSet& domainbis = theElems[idombis];
- if ( domainbis.count(elem)) ok = true ; // neighbor is in a correct domain : face is kept
- }
- if ( ok || onAllBoundaries ) // the characteristics of the face is stored
- {
- DownIdType face(downIds[n], downTypes[n]);
- if (!faceDomains[face].count(idom))
- {
- faceDomains[face][idom] = vtkId; // volume associated to face in this domain
- celldom[vtkId] = idom;
- //MESSAGE(" cell with a border " << vtkId << " domain " << idom);
- }
- if ( !ok )
- {
- theRestDomElems.insert( elem );
- faceDomains[face][iRestDom] = neighborsVtkIds[n];
- celldom[neighborsVtkIds[n]] = iRestDom;
- }
- }
- }
+ faceDomains[face][idom] = vtkId; // volume associated to face in this domain
+ celldom[vtkId] = idom;
+ //MESSAGE(" cell with a border " << vtkId << " domain " << idom);
}
+ if ( !ok )
+ {
+ theRestDomElems.insert( elem );
+ faceDomains[face][iRestDom] = neighborsVtkIds[n];
+ celldom[neighborsVtkIds[n]] = iRestDom;
+ }
+ }
}
+ }
}
+ }
//MESSAGE("Number of shared faces " << faceDomains.size());
std::map<DownIdType, std::map<int, int>, DownIdCompare>::iterator itface;
// which has only a node or an edge on the border (not a shared face)
for (int idomain = idom0; idomain < nbDomains; idomain++)
+ {
+ //MESSAGE("Domain " << idomain);
+ const TIDSortedElemSet& domain = (idomain == iRestDom) ? theRestDomElems : theElems[idomain];
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
{
- //MESSAGE("Domain " << idomain);
- const TIDSortedElemSet& domain = (idomain == iRestDom) ? theRestDomElems : theElems[idomain];
- itface = faceDomains.begin();
- for (; itface != faceDomains.end(); ++itface)
+ const std::map<int, int>& domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ //MESSAGE(" node " << oldId);
+ vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
+ for (int i=0; i<l.ncells; i++)
{
- const std::map<int, int>& domvol = itface->second;
- if (!domvol.count(idomain))
+ int vtkId = l.cells[i];
+ const SMDS_MeshElement* anElem = GetMeshDS()->FindElement(GetMeshDS()->fromVtkToSmds(vtkId));
+ if (!domain.count(anElem))
continue;
- DownIdType face = itface->first;
- //MESSAGE(" --- face " << face.cellId);
- std::set<int> oldNodes;
- oldNodes.clear();
- grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
- std::set<int>::iterator itn = oldNodes.begin();
- for (; itn != oldNodes.end(); ++itn)
- {
- int oldId = *itn;
- //MESSAGE(" node " << oldId);
- vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
- for (int i=0; i<l.ncells; i++)
- {
- int vtkId = l.cells[i];
- const SMDS_MeshElement* anElem = GetMeshDS()->FindElement(GetMeshDS()->fromVtkToSmds(vtkId));
- if (!domain.count(anElem))
- continue;
- int vtkType = grid->GetCellType(vtkId);
- int downId = grid->CellIdToDownId(vtkId);
- if (downId < 0)
- {
- MESSAGE("doubleNodesOnGroupBoundaries: internal algorithm problem");
- continue; // not OK at this stage of the algorithm:
- //no cells created after BuildDownWardConnectivity
- }
- DownIdType aCell(downId, vtkType);
- cellDomains[aCell][idomain] = vtkId;
- celldom[vtkId] = idomain;
- //MESSAGE(" cell " << vtkId << " domain " << idomain);
- }
- }
+ int vtkType = grid->GetCellType(vtkId);
+ int downId = grid->CellIdToDownId(vtkId);
+ if (downId < 0)
+ {
+ MESSAGE("doubleNodesOnGroupBoundaries: internal algorithm problem");
+ continue; // not OK at this stage of the algorithm:
+ //no cells created after BuildDownWardConnectivity
+ }
+ DownIdType aCell(downId, vtkType);
+ cellDomains[aCell][idomain] = vtkId;
+ celldom[vtkId] = idomain;
+ //MESSAGE(" cell " << vtkId << " domain " << idomain);
}
+ }
}
+ }
// --- explore the shared faces domain by domain, to duplicate the nodes in a coherent way
// for each shared face, get the nodes
std::map<int, std::vector<int> > mutipleNodes; // nodes multi domains with domain order
std::map<int, std::vector<int> > mutipleNodesToFace; // nodes multi domains with domain order to transform in Face (junction between 3 or more 2D domains)
- MESSAGE(".. Duplication of the nodes");
+ //MESSAGE(".. Duplication of the nodes");
for (int idomain = idom0; idomain < nbDomains; idomain++)
+ {
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
{
- itface = faceDomains.begin();
- for (; itface != faceDomains.end(); ++itface)
+ const std::map<int, int>& domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ if (nodeDomains[oldId].empty())
{
- const std::map<int, int>& domvol = itface->second;
- if (!domvol.count(idomain))
- continue;
- DownIdType face = itface->first;
- //MESSAGE(" --- face " << face.cellId);
- std::set<int> oldNodes;
- oldNodes.clear();
- grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
- std::set<int>::iterator itn = oldNodes.begin();
- for (; itn != oldNodes.end(); ++itn)
+ nodeDomains[oldId][idomain] = oldId; // keep the old node in the first domain
+ //MESSAGE("-+-+-b oldNode " << oldId << " domain " << idomain);
+ }
+ std::map<int, int>::const_iterator itdom = domvol.begin();
+ for (; itdom != domvol.end(); ++itdom)
+ {
+ int idom = itdom->first;
+ //MESSAGE(" domain " << idom);
+ if (!nodeDomains[oldId].count(idom)) // --- node to clone
+ {
+ if (nodeDomains[oldId].size() >= 2) // a multiple node
{
- int oldId = *itn;
- if (nodeDomains[oldId].empty())
- {
- nodeDomains[oldId][idomain] = oldId; // keep the old node in the first domain
- //MESSAGE("-+-+-b oldNode " << oldId << " domain " << idomain);
- }
- std::map<int, int>::const_iterator itdom = domvol.begin();
- for (; itdom != domvol.end(); ++itdom)
- {
- int idom = itdom->first;
- //MESSAGE(" domain " << idom);
- if (!nodeDomains[oldId].count(idom)) // --- node to clone
- {
- if (nodeDomains[oldId].size() >= 2) // a multiple node
- {
- vector<int> orderedDoms;
- //MESSAGE("multiple node " << oldId);
- if (mutipleNodes.count(oldId))
- orderedDoms = mutipleNodes[oldId];
- else
- {
- map<int,int>::iterator it = nodeDomains[oldId].begin();
- for (; it != nodeDomains[oldId].end(); ++it)
- orderedDoms.push_back(it->first);
- }
- orderedDoms.push_back(idom); // TODO order ==> push_front or back
- //stringstream txt;
- //for (int i=0; i<orderedDoms.size(); i++)
- // txt << orderedDoms[i] << " ";
- //MESSAGE("orderedDoms " << txt.str());
- mutipleNodes[oldId] = orderedDoms;
- }
- double *coords = grid->GetPoint(oldId);
- SMDS_MeshNode *newNode = meshDS->AddNode(coords[0], coords[1], coords[2]);
- copyPosition( meshDS->FindNodeVtk( oldId ), newNode );
- int newId = newNode->getVtkId();
- nodeDomains[oldId][idom] = newId; // cloned node for other domains
- //MESSAGE("-+-+-c oldNode " << oldId << " domain " << idomain << " newNode " << newId << " domain " << idom << " size=" <<nodeDomains[oldId].size());
- }
- }
+ vector<int> orderedDoms;
+ //MESSAGE("multiple node " << oldId);
+ if (mutipleNodes.count(oldId))
+ orderedDoms = mutipleNodes[oldId];
+ else
+ {
+ map<int,int>::iterator it = nodeDomains[oldId].begin();
+ for (; it != nodeDomains[oldId].end(); ++it)
+ orderedDoms.push_back(it->first);
+ }
+ orderedDoms.push_back(idom); // TODO order ==> push_front or back
+ //stringstream txt;
+ //for (int i=0; i<orderedDoms.size(); i++)
+ // txt << orderedDoms[i] << " ";
+ //MESSAGE("orderedDoms " << txt.str());
+ mutipleNodes[oldId] = orderedDoms;
}
+ double *coords = grid->GetPoint(oldId);
+ SMDS_MeshNode *newNode = meshDS->AddNode(coords[0], coords[1], coords[2]);
+ copyPosition( meshDS->FindNodeVtk( oldId ), newNode );
+ int newId = newNode->getVtkId();
+ nodeDomains[oldId][idom] = newId; // cloned node for other domains
+ //MESSAGE("-+-+-c oldNode " << oldId << " domain " << idomain << " newNode " << newId << " domain " << idom << " size=" <<nodeDomains[oldId].size());
+ }
}
+ }
}
+ }
- MESSAGE(".. Creation of elements");
+ //MESSAGE(".. Creation of elements");
for (int idomain = idom0; idomain < nbDomains; idomain++)
+ {
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
{
- itface = faceDomains.begin();
- for (; itface != faceDomains.end(); ++itface)
+ std::map<int, int> domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ int nbMultipleNodes = 0;
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ if (mutipleNodes.count(oldId))
+ nbMultipleNodes++;
+ }
+ if (nbMultipleNodes > 1) // check if an edge of the face is shared between 3 or more domains
+ {
+ //MESSAGE("multiple Nodes detected on a shared face");
+ int downId = itface->first.cellId;
+ unsigned char cellType = itface->first.cellType;
+ // --- shared edge or shared face ?
+ if ((cellType == VTK_LINE) || (cellType == VTK_QUADRATIC_EDGE)) // shared edge (between two faces)
{
- std::map<int, int> domvol = itface->second;
- if (!domvol.count(idomain))
- continue;
- DownIdType face = itface->first;
- //MESSAGE(" --- face " << face.cellId);
- std::set<int> oldNodes;
- oldNodes.clear();
- grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
- int nbMultipleNodes = 0;
- std::set<int>::iterator itn = oldNodes.begin();
- for (; itn != oldNodes.end(); ++itn)
- {
- int oldId = *itn;
- if (mutipleNodes.count(oldId))
- nbMultipleNodes++;
- }
- if (nbMultipleNodes > 1) // check if an edge of the face is shared between 3 or more domains
+ int nodes[3];
+ int nbNodes = grid->getDownArray(cellType)->getNodes(downId, nodes);
+ for (int i=0; i< nbNodes; i=i+nbNodes-1) // i=0 , i=nbNodes-1
+ if (mutipleNodes.count(nodes[i]))
+ if (!mutipleNodesToFace.count(nodes[i]))
+ mutipleNodesToFace[nodes[i]] = mutipleNodes[nodes[i]];
+ }
+ else // shared face (between two volumes)
+ {
+ int nbEdges = grid->getDownArray(cellType)->getNumberOfDownCells(downId);
+ const int* downEdgeIds = grid->getDownArray(cellType)->getDownCells(downId);
+ const unsigned char* edgeType = grid->getDownArray(cellType)->getDownTypes(downId);
+ for (int ie =0; ie < nbEdges; ie++)
+ {
+ int nodes[3];
+ int nbNodes = grid->getDownArray(edgeType[ie])->getNodes(downEdgeIds[ie], nodes);
+ if ( mutipleNodes.count(nodes[0]) && mutipleNodes.count( nodes[ nbNodes-1 ]))
{
- //MESSAGE("multiple Nodes detected on a shared face");
- int downId = itface->first.cellId;
- unsigned char cellType = itface->first.cellType;
- // --- shared edge or shared face ?
- if ((cellType == VTK_LINE) || (cellType == VTK_QUADRATIC_EDGE)) // shared edge (between two faces)
- {
- int nodes[3];
- int nbNodes = grid->getDownArray(cellType)->getNodes(downId, nodes);
- for (int i=0; i< nbNodes; i=i+nbNodes-1) // i=0 , i=nbNodes-1
- if (mutipleNodes.count(nodes[i]))
- if (!mutipleNodesToFace.count(nodes[i]))
- mutipleNodesToFace[nodes[i]] = mutipleNodes[nodes[i]];
- }
- else // shared face (between two volumes)
+ vector<int> vn0 = mutipleNodes[nodes[0]];
+ vector<int> vn1 = mutipleNodes[nodes[nbNodes - 1]];
+ vector<int> doms;
+ for ( size_t i0 = 0; i0 < vn0.size(); i0++ )
+ for ( size_t i1 = 0; i1 < vn1.size(); i1++ )
+ if ( vn0[i0] == vn1[i1] )
+ doms.push_back( vn0[ i0 ]);
+ if ( doms.size() > 2 )
+ {
+ //MESSAGE(" detect edgesMultiDomains " << nodes[0] << " " << nodes[nbNodes - 1]);
+ double *coords = grid->GetPoint(nodes[0]);
+ gp_Pnt p0(coords[0], coords[1], coords[2]);
+ coords = grid->GetPoint(nodes[nbNodes - 1]);
+ gp_Pnt p1(coords[0], coords[1], coords[2]);
+ gp_Pnt gref;
+ int vtkVolIds[1000]; // an edge can belong to a lot of volumes
+ map<int, SMDS_VtkVolume*> domvol; // domain --> a volume with the edge
+ map<int, double> angleDom; // oriented angles between planes defined by edge and volume centers
+ int nbvol = grid->GetParentVolumes(vtkVolIds, downEdgeIds[ie], edgeType[ie]);
+ for ( size_t id = 0; id < doms.size(); id++ )
{
- int nbEdges = grid->getDownArray(cellType)->getNumberOfDownCells(downId);
- const int* downEdgeIds = grid->getDownArray(cellType)->getDownCells(downId);
- const unsigned char* edgeType = grid->getDownArray(cellType)->getDownTypes(downId);
- for (int ie =0; ie < nbEdges; ie++)
+ int idom = doms[id];
+ const TIDSortedElemSet& domain = (idom == iRestDom) ? theRestDomElems : theElems[idom];
+ for ( int ivol = 0; ivol < nbvol; ivol++ )
+ {
+ int smdsId = meshDS->fromVtkToSmds(vtkVolIds[ivol]);
+ SMDS_MeshElement* elem = (SMDS_MeshElement*)meshDS->FindElement(smdsId);
+ if (domain.count(elem))
{
- int nodes[3];
- int nbNodes = grid->getDownArray(edgeType[ie])->getNodes(downEdgeIds[ie], nodes);
- if (mutipleNodes.count(nodes[0]) && mutipleNodes.count(nodes[nbNodes-1]))
- {
- vector<int> vn0 = mutipleNodes[nodes[0]];
- vector<int> vn1 = mutipleNodes[nodes[nbNodes - 1]];
- vector<int> doms;
- for (int i0 = 0; i0 < vn0.size(); i0++)
- for (int i1 = 0; i1 < vn1.size(); i1++)
- if (vn0[i0] == vn1[i1])
- doms.push_back(vn0[i0]);
- if (doms.size() >2)
- {
- //MESSAGE(" detect edgesMultiDomains " << nodes[0] << " " << nodes[nbNodes - 1]);
- double *coords = grid->GetPoint(nodes[0]);
- gp_Pnt p0(coords[0], coords[1], coords[2]);
- coords = grid->GetPoint(nodes[nbNodes - 1]);
- gp_Pnt p1(coords[0], coords[1], coords[2]);
- gp_Pnt gref;
- int vtkVolIds[1000]; // an edge can belong to a lot of volumes
- map<int, SMDS_VtkVolume*> domvol; // domain --> a volume with the edge
- map<int, double> angleDom; // oriented angles between planes defined by edge and volume centers
- int nbvol = grid->GetParentVolumes(vtkVolIds, downEdgeIds[ie], edgeType[ie]);
- for (int id=0; id < doms.size(); id++)
- {
- int idom = doms[id];
- const TIDSortedElemSet& domain = (idom == iRestDom) ? theRestDomElems : theElems[idom];
- for (int ivol=0; ivol<nbvol; ivol++)
- {
- int smdsId = meshDS->fromVtkToSmds(vtkVolIds[ivol]);
- SMDS_MeshElement* elem = (SMDS_MeshElement*)meshDS->FindElement(smdsId);
- if (domain.count(elem))
- {
- SMDS_VtkVolume* svol = dynamic_cast<SMDS_VtkVolume*>(elem);
- domvol[idom] = svol;
- //MESSAGE(" domain " << idom << " volume " << elem->GetID());
- double values[3];
- vtkIdType npts = 0;
- vtkIdType* pts = 0;
- grid->GetCellPoints(vtkVolIds[ivol], npts, pts);
- SMDS_VtkVolume::gravityCenter(grid, pts, npts, values);
- if (id ==0)
- {
- gref.SetXYZ(gp_XYZ(values[0], values[1], values[2]));
- angleDom[idom] = 0;
- }
- else
- {
- gp_Pnt g(values[0], values[1], values[2]);
- angleDom[idom] = OrientedAngle(p0, p1, gref, g); // -pi<angle<+pi
- //MESSAGE(" angle=" << angleDom[idom]);
- }
- break;
- }
- }
- }
- map<double, int> sortedDom; // sort domains by angle
- for (map<int, double>::iterator ia = angleDom.begin(); ia != angleDom.end(); ++ia)
- sortedDom[ia->second] = ia->first;
- vector<int> vnodes;
- vector<int> vdom;
- for (map<double, int>::iterator ib = sortedDom.begin(); ib != sortedDom.end(); ++ib)
- {
- vdom.push_back(ib->second);
- //MESSAGE(" ordered domain " << ib->second << " angle " << ib->first);
- }
- for (int ino = 0; ino < nbNodes; ino++)
- vnodes.push_back(nodes[ino]);
- edgesMultiDomains[vnodes] = vdom; // nodes vector --> ordered domains
- }
- }
+ SMDS_VtkVolume* svol = dynamic_cast<SMDS_VtkVolume*>(elem);
+ domvol[idom] = svol;
+ //MESSAGE(" domain " << idom << " volume " << elem->GetID());
+ double values[3];
+ vtkIdType npts = 0;
+ vtkIdType* pts = 0;
+ grid->GetCellPoints(vtkVolIds[ivol], npts, pts);
+ SMDS_VtkVolume::gravityCenter(grid, pts, npts, values);
+ if (id ==0)
+ {
+ gref.SetXYZ(gp_XYZ(values[0], values[1], values[2]));
+ angleDom[idom] = 0;
+ }
+ else
+ {
+ gp_Pnt g(values[0], values[1], values[2]);
+ angleDom[idom] = OrientedAngle(p0, p1, gref, g); // -pi<angle<+pi
+ //MESSAGE(" angle=" << angleDom[idom]);
+ }
+ break;
}
+ }
}
+ map<double, int> sortedDom; // sort domains by angle
+ for (map<int, double>::iterator ia = angleDom.begin(); ia != angleDom.end(); ++ia)
+ sortedDom[ia->second] = ia->first;
+ vector<int> vnodes;
+ vector<int> vdom;
+ for (map<double, int>::iterator ib = sortedDom.begin(); ib != sortedDom.end(); ++ib)
+ {
+ vdom.push_back(ib->second);
+ //MESSAGE(" ordered domain " << ib->second << " angle " << ib->first);
+ }
+ for (int ino = 0; ino < nbNodes; ino++)
+ vnodes.push_back(nodes[ino]);
+ edgesMultiDomains[vnodes] = vdom; // nodes vector --> ordered domains
+ }
}
+ }
}
+ }
}
+ }
// --- iterate on shared faces (volumes to modify, face to extrude)
// get node id's of the face (id SMDS = id VTK)
std::map<int, std::map<long,int> > nodeQuadDomains;
std::map<std::string, SMESH_Group*> mapOfJunctionGroups;
- MESSAGE(".. Creation of elements: simple junction");
+ //MESSAGE(".. Creation of elements: simple junction");
if (createJointElems)
- {
- int idg;
- string joints2DName = "joints2D";
- mapOfJunctionGroups[joints2DName] = this->myMesh->AddGroup(SMDSAbs_Face, joints2DName.c_str(), idg);
- SMESHDS_Group *joints2DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints2DName]->GetGroupDS());
- string joints3DName = "joints3D";
- mapOfJunctionGroups[joints3DName] = this->myMesh->AddGroup(SMDSAbs_Volume, joints3DName.c_str(), idg);
- SMESHDS_Group *joints3DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints3DName]->GetGroupDS());
-
- itface = faceDomains.begin();
- for (; itface != faceDomains.end(); ++itface)
- {
- DownIdType face = itface->first;
- std::set<int> oldNodes;
- std::set<int>::iterator itn;
- oldNodes.clear();
- grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
-
- std::map<int, int> domvol = itface->second;
- std::map<int, int>::iterator itdom = domvol.begin();
- int dom1 = itdom->first;
- int vtkVolId = itdom->second;
- itdom++;
- int dom2 = itdom->first;
- SMDS_MeshCell *vol = grid->extrudeVolumeFromFace(vtkVolId, dom1, dom2, oldNodes, nodeDomains,
- nodeQuadDomains);
- stringstream grpname;
- grpname << "j_";
- if (dom1 < dom2)
- grpname << dom1 << "_" << dom2;
- else
- grpname << dom2 << "_" << dom1;
- string namegrp = grpname.str();
- if (!mapOfJunctionGroups.count(namegrp))
- mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(vol->GetType(), namegrp.c_str(), idg);
- SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
- if (sgrp)
- sgrp->Add(vol->GetID());
- if (vol->GetType() == SMDSAbs_Volume)
- joints3DGrp->Add(vol->GetID());
- else if (vol->GetType() == SMDSAbs_Face)
- joints2DGrp->Add(vol->GetID());
- }
+ {
+ int idg;
+ string joints2DName = "joints2D";
+ mapOfJunctionGroups[joints2DName] = this->myMesh->AddGroup(SMDSAbs_Face, joints2DName.c_str(), idg);
+ SMESHDS_Group *joints2DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints2DName]->GetGroupDS());
+ string joints3DName = "joints3D";
+ mapOfJunctionGroups[joints3DName] = this->myMesh->AddGroup(SMDSAbs_Volume, joints3DName.c_str(), idg);
+ SMESHDS_Group *joints3DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints3DName]->GetGroupDS());
+
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
+ {
+ DownIdType face = itface->first;
+ std::set<int> oldNodes;
+ std::set<int>::iterator itn;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+
+ std::map<int, int> domvol = itface->second;
+ std::map<int, int>::iterator itdom = domvol.begin();
+ int dom1 = itdom->first;
+ int vtkVolId = itdom->second;
+ itdom++;
+ int dom2 = itdom->first;
+ SMDS_MeshCell *vol = grid->extrudeVolumeFromFace(vtkVolId, dom1, dom2, oldNodes, nodeDomains,
+ nodeQuadDomains);
+ stringstream grpname;
+ grpname << "j_";
+ if (dom1 < dom2)
+ grpname << dom1 << "_" << dom2;
+ else
+ grpname << dom2 << "_" << dom1;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(vol->GetType(), namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ if (vol->GetType() == SMDSAbs_Volume)
+ joints3DGrp->Add(vol->GetID());
+ else if (vol->GetType() == SMDSAbs_Face)
+ joints2DGrp->Add(vol->GetID());
}
+ }
// --- create volumes on multiple domain intersection if requested
// iterate on mutipleNodesToFace
// iterate on edgesMultiDomains
- MESSAGE(".. Creation of elements: multiple junction");
+ //MESSAGE(".. Creation of elements: multiple junction");
if (createJointElems)
+ {
+ // --- iterate on mutipleNodesToFace
+
+ std::map<int, std::vector<int> >::iterator itn = mutipleNodesToFace.begin();
+ for (; itn != mutipleNodesToFace.end(); ++itn)
{
- // --- iterate on mutipleNodesToFace
+ int node = itn->first;
+ vector<int> orderDom = itn->second;
+ vector<vtkIdType> orderedNodes;
+ for ( size_t idom = 0; idom < orderDom.size(); idom++ )
+ orderedNodes.push_back( nodeDomains[ node ][ orderDom[ idom ]]);
+ SMDS_MeshFace* face = this->GetMeshDS()->AddFaceFromVtkIds(orderedNodes);
- std::map<int, std::vector<int> >::iterator itn = mutipleNodesToFace.begin();
- for (; itn != mutipleNodesToFace.end(); ++itn)
- {
- int node = itn->first;
- vector<int> orderDom = itn->second;
- vector<vtkIdType> orderedNodes;
- for (int idom = 0; idom <orderDom.size(); idom++)
- orderedNodes.push_back( nodeDomains[node][orderDom[idom]] );
- SMDS_MeshFace* face = this->GetMeshDS()->AddFaceFromVtkIds(orderedNodes);
-
- stringstream grpname;
- grpname << "m2j_";
- grpname << 0 << "_" << 0;
- int idg;
- string namegrp = grpname.str();
- if (!mapOfJunctionGroups.count(namegrp))
- mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Face, namegrp.c_str(), idg);
- SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
- if (sgrp)
- sgrp->Add(face->GetID());
- }
-
- // --- iterate on edgesMultiDomains
-
- std::map<std::vector<int>, std::vector<int> >::iterator ite = edgesMultiDomains.begin();
- for (; ite != edgesMultiDomains.end(); ++ite)
- {
- vector<int> nodes = ite->first;
- vector<int> orderDom = ite->second;
- vector<vtkIdType> orderedNodes;
- if (nodes.size() == 2)
- {
- //MESSAGE(" use edgesMultiDomains " << nodes[0] << " " << nodes[1]);
- for (int ino=0; ino < nodes.size(); ino++)
- if (orderDom.size() == 3)
- for (int idom = 0; idom <orderDom.size(); idom++)
- orderedNodes.push_back( nodeDomains[nodes[ino]][orderDom[idom]] );
- else
- for (int idom = orderDom.size()-1; idom >=0; idom--)
- orderedNodes.push_back( nodeDomains[nodes[ino]][orderDom[idom]] );
- SMDS_MeshVolume* vol = this->GetMeshDS()->AddVolumeFromVtkIds(orderedNodes);
-
- int idg;
- string namegrp = "jointsMultiples";
- if (!mapOfJunctionGroups.count(namegrp))
- mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
- SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
- if (sgrp)
- sgrp->Add(vol->GetID());
- }
+ stringstream grpname;
+ grpname << "m2j_";
+ grpname << 0 << "_" << 0;
+ int idg;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Face, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(face->GetID());
+ }
+
+ // --- iterate on edgesMultiDomains
+
+ std::map<std::vector<int>, std::vector<int> >::iterator ite = edgesMultiDomains.begin();
+ for (; ite != edgesMultiDomains.end(); ++ite)
+ {
+ vector<int> nodes = ite->first;
+ vector<int> orderDom = ite->second;
+ vector<vtkIdType> orderedNodes;
+ if (nodes.size() == 2)
+ {
+ //MESSAGE(" use edgesMultiDomains " << nodes[0] << " " << nodes[1]);
+ for ( size_t ino = 0; ino < nodes.size(); ino++ )
+ if ( orderDom.size() == 3 )
+ for ( size_t idom = 0; idom < orderDom.size(); idom++ )
+ orderedNodes.push_back( nodeDomains[ nodes[ ino ]][ orderDom[ idom ]]);
else
- {
- INFOS("Quadratic multiple joints not implemented");
- // TODO quadratic nodes
- }
- }
+ for (int idom = orderDom.size()-1; idom >=0; idom--)
+ orderedNodes.push_back( nodeDomains[ nodes[ ino ]][ orderDom[ idom ]]);
+ SMDS_MeshVolume* vol = this->GetMeshDS()->AddVolumeFromVtkIds(orderedNodes);
+
+ int idg;
+ string namegrp = "jointsMultiples";
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ }
+ else
+ {
+ //INFOS("Quadratic multiple joints not implemented");
+ // TODO quadratic nodes
+ }
}
+ }
// --- list the explicit faces and edges of the mesh that need to be modified,
// i.e. faces and edges built with one or more duplicated nodes.
faceOrEdgeDom.clear();
feDom.clear();
- MESSAGE(".. Modification of elements");
+ //MESSAGE(".. Modification of elements");
for (int idomain = idom0; idomain < nbDomains; idomain++)
+ {
+ std::map<int, std::map<int, int> >::const_iterator itnod = nodeDomains.begin();
+ for (; itnod != nodeDomains.end(); ++itnod)
{
- std::map<int, std::map<int, int> >::const_iterator itnod = nodeDomains.begin();
- for (; itnod != nodeDomains.end(); ++itnod)
- {
- int oldId = itnod->first;
- //MESSAGE(" node " << oldId);
- vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
- for (int i = 0; i < l.ncells; i++)
+ int oldId = itnod->first;
+ //MESSAGE(" node " << oldId);
+ vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
+ for (int i = 0; i < l.ncells; i++)
+ {
+ int vtkId = l.cells[i];
+ int vtkType = grid->GetCellType(vtkId);
+ int downId = grid->CellIdToDownId(vtkId);
+ if (downId < 0)
+ continue; // new cells: not to be modified
+ DownIdType aCell(downId, vtkType);
+ int volParents[1000];
+ int nbvol = grid->GetParentVolumes(volParents, vtkId);
+ for (int j = 0; j < nbvol; j++)
+ if (celldom.count(volParents[j]) && (celldom[volParents[j]] == idomain))
+ if (!feDom.count(vtkId))
{
- int vtkId = l.cells[i];
- int vtkType = grid->GetCellType(vtkId);
- int downId = grid->CellIdToDownId(vtkId);
- if (downId < 0)
- continue; // new cells: not to be modified
- DownIdType aCell(downId, vtkType);
- int volParents[1000];
- int nbvol = grid->GetParentVolumes(volParents, vtkId);
- for (int j = 0; j < nbvol; j++)
- if (celldom.count(volParents[j]) && (celldom[volParents[j]] == idomain))
- if (!feDom.count(vtkId))
- {
- feDom[vtkId] = idomain;
- faceOrEdgeDom[aCell] = emptyMap;
- faceOrEdgeDom[aCell][idomain] = vtkId; // affect face or edge to the first domain only
- //MESSAGE("affect cell " << this->GetMeshDS()->fromVtkToSmds(vtkId) << " domain " << idomain
- // << " type " << vtkType << " downId " << downId);
- }
+ feDom[vtkId] = idomain;
+ faceOrEdgeDom[aCell] = emptyMap;
+ faceOrEdgeDom[aCell][idomain] = vtkId; // affect face or edge to the first domain only
+ //MESSAGE("affect cell " << this->GetMeshDS()->fromVtkToSmds(vtkId) << " domain " << idomain
+ // << " type " << vtkType << " downId " << downId);
}
- }
+ }
}
+ }
// --- iterate on shared faces (volumes to modify, face to extrude)
// get node id's of the face
std::map<DownIdType, std::map<int,int>, DownIdCompare>* maps[3] = {&faceDomains, &cellDomains, &faceOrEdgeDom};
for (int m=0; m<3; m++)
- {
- std::map<DownIdType, std::map<int,int>, DownIdCompare>* amap = maps[m];
- itface = (*amap).begin();
- for (; itface != (*amap).end(); ++itface)
+ {
+ std::map<DownIdType, std::map<int,int>, DownIdCompare>* amap = maps[m];
+ itface = (*amap).begin();
+ for (; itface != (*amap).end(); ++itface)
+ {
+ DownIdType face = itface->first;
+ std::set<int> oldNodes;
+ std::set<int>::iterator itn;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ //MESSAGE("examine cell, downId " << face.cellId << " type " << int(face.cellType));
+ std::map<int, int> localClonedNodeIds;
+
+ std::map<int, int> domvol = itface->second;
+ std::map<int, int>::iterator itdom = domvol.begin();
+ for (; itdom != domvol.end(); ++itdom)
+ {
+ int idom = itdom->first;
+ int vtkVolId = itdom->second;
+ //MESSAGE("modify nodes of cell " << this->GetMeshDS()->fromVtkToSmds(vtkVolId) << " domain " << idom);
+ localClonedNodeIds.clear();
+ for (itn = oldNodes.begin(); itn != oldNodes.end(); ++itn)
{
- DownIdType face = itface->first;
- std::set<int> oldNodes;
- std::set<int>::iterator itn;
- oldNodes.clear();
- grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
- //MESSAGE("examine cell, downId " << face.cellId << " type " << int(face.cellType));
- std::map<int, int> localClonedNodeIds;
-
- std::map<int, int> domvol = itface->second;
- std::map<int, int>::iterator itdom = domvol.begin();
- for (; itdom != domvol.end(); ++itdom)
- {
- int idom = itdom->first;
- int vtkVolId = itdom->second;
- //MESSAGE("modify nodes of cell " << this->GetMeshDS()->fromVtkToSmds(vtkVolId) << " domain " << idom);
- localClonedNodeIds.clear();
- for (itn = oldNodes.begin(); itn != oldNodes.end(); ++itn)
- {
- int oldId = *itn;
- if (nodeDomains[oldId].count(idom))
- {
- localClonedNodeIds[oldId] = nodeDomains[oldId][idom];
- //MESSAGE(" node " << oldId << " --> " << localClonedNodeIds[oldId]);
- }
- }
- meshDS->ModifyCellNodes(vtkVolId, localClonedNodeIds);
- }
+ int oldId = *itn;
+ if (nodeDomains[oldId].count(idom))
+ {
+ localClonedNodeIds[oldId] = nodeDomains[oldId][idom];
+ //MESSAGE(" node " << oldId << " --> " << localClonedNodeIds[oldId]);
+ }
}
+ meshDS->ModifyCellNodes(vtkVolId, localClonedNodeIds);
+ }
}
+ }
// Remove empty groups (issue 0022812)
std::map<std::string, SMESH_Group*>::iterator name_group = mapOfJunctionGroups.begin();
}
meshDS->CleanDownWardConnectivity(); // Mesh has been modified, downward connectivity is no more usable, free memory
- grid->BuildLinks();
+ grid->DeleteLinks();
CHRONOSTOP(50);
counters::stats();
*/
bool SMESH_MeshEditor::CreateFlatElementsOnFacesGroups(const std::vector<TIDSortedElemSet>& theElems)
{
- MESSAGE("-------------------------------------------------");
- MESSAGE("SMESH_MeshEditor::CreateFlatElementsOnFacesGroups");
- MESSAGE("-------------------------------------------------");
+ // MESSAGE("-------------------------------------------------");
+ // MESSAGE("SMESH_MeshEditor::CreateFlatElementsOnFacesGroups");
+ // MESSAGE("-------------------------------------------------");
SMESHDS_Mesh *meshDS = this->myMesh->GetMeshDS();
std::map<std::string, SMESH_Group*> mapOfJunctionGroups;
mapOfJunctionGroups.clear();
- for (int idom = 0; idom < theElems.size(); idom++)
+ for ( size_t idom = 0; idom < theElems.size(); idom++ )
+ {
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for ( ; elemItr != domain.end(); ++elemItr )
{
- const TIDSortedElemSet& domain = theElems[idom];
- TIDSortedElemSet::const_iterator elemItr = domain.begin();
- for (; elemItr != domain.end(); ++elemItr)
- {
- SMDS_MeshElement* anElem = (SMDS_MeshElement*) *elemItr;
- SMDS_MeshFace* aFace = dynamic_cast<SMDS_MeshFace*> (anElem);
- if (!aFace)
- continue;
- // MESSAGE("aFace=" << aFace->GetID());
- bool isQuad = aFace->IsQuadratic();
- vector<const SMDS_MeshNode*> ln0, ln1, ln2, ln3, ln4;
-
- // --- clone the nodes, create intermediate nodes for non medium nodes of a quad face
-
- SMDS_ElemIteratorPtr nodeIt = aFace->nodesIterator();
- while (nodeIt->more())
- {
- const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*> (nodeIt->next());
- bool isMedium = isQuad && (aFace->IsMediumNode(node));
- if (isMedium)
- ln2.push_back(node);
- else
- ln0.push_back(node);
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*) *elemItr;
+ SMDS_MeshFace* aFace = dynamic_cast<SMDS_MeshFace*> (anElem);
+ if (!aFace)
+ continue;
+ // MESSAGE("aFace=" << aFace->GetID());
+ bool isQuad = aFace->IsQuadratic();
+ vector<const SMDS_MeshNode*> ln0, ln1, ln2, ln3, ln4;
- const SMDS_MeshNode* clone = 0;
- if (!clonedNodes.count(node))
- {
- clone = meshDS->AddNode(node->X(), node->Y(), node->Z());
- copyPosition( node, clone );
- clonedNodes[node] = clone;
- }
- else
- clone = clonedNodes[node];
+ // --- clone the nodes, create intermediate nodes for non medium nodes of a quad face
- if (isMedium)
- ln3.push_back(clone);
- else
- ln1.push_back(clone);
+ SMDS_ElemIteratorPtr nodeIt = aFace->nodesIterator();
+ while (nodeIt->more())
+ {
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*> (nodeIt->next());
+ bool isMedium = isQuad && (aFace->IsMediumNode(node));
+ if (isMedium)
+ ln2.push_back(node);
+ else
+ ln0.push_back(node);
- const SMDS_MeshNode* inter = 0;
- if (isQuad && (!isMedium))
- {
- if (!intermediateNodes.count(node))
- {
- inter = meshDS->AddNode(node->X(), node->Y(), node->Z());
- copyPosition( node, inter );
- intermediateNodes[node] = inter;
- }
- else
- inter = intermediateNodes[node];
- ln4.push_back(inter);
- }
- }
+ const SMDS_MeshNode* clone = 0;
+ if (!clonedNodes.count(node))
+ {
+ clone = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, clone );
+ clonedNodes[node] = clone;
+ }
+ else
+ clone = clonedNodes[node];
- // --- extrude the face
+ if (isMedium)
+ ln3.push_back(clone);
+ else
+ ln1.push_back(clone);
- vector<const SMDS_MeshNode*> ln;
- SMDS_MeshVolume* vol = 0;
- vtkIdType aType = aFace->GetVtkType();
- switch (aType)
+ const SMDS_MeshNode* inter = 0;
+ if (isQuad && (!isMedium))
+ {
+ if (!intermediateNodes.count(node))
{
- case VTK_TRIANGLE:
- vol = meshDS->AddVolume(ln0[2], ln0[1], ln0[0], ln1[2], ln1[1], ln1[0]);
- // MESSAGE("vol prism " << vol->GetID());
- ln.push_back(ln1[0]);
- ln.push_back(ln1[1]);
- ln.push_back(ln1[2]);
- break;
- case VTK_QUAD:
- vol = meshDS->AddVolume(ln0[3], ln0[2], ln0[1], ln0[0], ln1[3], ln1[2], ln1[1], ln1[0]);
- // MESSAGE("vol hexa " << vol->GetID());
- ln.push_back(ln1[0]);
- ln.push_back(ln1[1]);
- ln.push_back(ln1[2]);
- ln.push_back(ln1[3]);
- break;
- case VTK_QUADRATIC_TRIANGLE:
- vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln0[0], ln0[1], ln0[2], ln3[0], ln3[1], ln3[2],
- ln2[0], ln2[1], ln2[2], ln4[0], ln4[1], ln4[2]);
- // MESSAGE("vol quad prism " << vol->GetID());
- ln.push_back(ln1[0]);
- ln.push_back(ln1[1]);
- ln.push_back(ln1[2]);
- ln.push_back(ln3[0]);
- ln.push_back(ln3[1]);
- ln.push_back(ln3[2]);
- break;
- case VTK_QUADRATIC_QUAD:
-// vol = meshDS->AddVolume(ln0[0], ln0[1], ln0[2], ln0[3], ln1[0], ln1[1], ln1[2], ln1[3],
-// ln2[0], ln2[1], ln2[2], ln2[3], ln3[0], ln3[1], ln3[2], ln3[3],
-// ln4[0], ln4[1], ln4[2], ln4[3]);
- vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln1[3], ln0[0], ln0[1], ln0[2], ln0[3],
- ln3[0], ln3[1], ln3[2], ln3[3], ln2[0], ln2[1], ln2[2], ln2[3],
- ln4[0], ln4[1], ln4[2], ln4[3]);
- // MESSAGE("vol quad hexa " << vol->GetID());
- ln.push_back(ln1[0]);
- ln.push_back(ln1[1]);
- ln.push_back(ln1[2]);
- ln.push_back(ln1[3]);
- ln.push_back(ln3[0]);
- ln.push_back(ln3[1]);
- ln.push_back(ln3[2]);
- ln.push_back(ln3[3]);
- break;
- case VTK_POLYGON:
- break;
- default:
- break;
+ inter = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, inter );
+ intermediateNodes[node] = inter;
}
+ else
+ inter = intermediateNodes[node];
+ ln4.push_back(inter);
+ }
+ }
- if (vol)
- {
- stringstream grpname;
- grpname << "jf_";
- grpname << idom;
- int idg;
- string namegrp = grpname.str();
- if (!mapOfJunctionGroups.count(namegrp))
- mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
- SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
- if (sgrp)
- sgrp->Add(vol->GetID());
- }
+ // --- extrude the face
+
+ vector<const SMDS_MeshNode*> ln;
+ SMDS_MeshVolume* vol = 0;
+ vtkIdType aType = aFace->GetVtkType();
+ switch (aType)
+ {
+ case VTK_TRIANGLE:
+ vol = meshDS->AddVolume(ln0[2], ln0[1], ln0[0], ln1[2], ln1[1], ln1[0]);
+ // MESSAGE("vol prism " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ break;
+ case VTK_QUAD:
+ vol = meshDS->AddVolume(ln0[3], ln0[2], ln0[1], ln0[0], ln1[3], ln1[2], ln1[1], ln1[0]);
+ // MESSAGE("vol hexa " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln1[3]);
+ break;
+ case VTK_QUADRATIC_TRIANGLE:
+ vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln0[0], ln0[1], ln0[2], ln3[0], ln3[1], ln3[2],
+ ln2[0], ln2[1], ln2[2], ln4[0], ln4[1], ln4[2]);
+ // MESSAGE("vol quad prism " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln3[0]);
+ ln.push_back(ln3[1]);
+ ln.push_back(ln3[2]);
+ break;
+ case VTK_QUADRATIC_QUAD:
+ // vol = meshDS->AddVolume(ln0[0], ln0[1], ln0[2], ln0[3], ln1[0], ln1[1], ln1[2], ln1[3],
+ // ln2[0], ln2[1], ln2[2], ln2[3], ln3[0], ln3[1], ln3[2], ln3[3],
+ // ln4[0], ln4[1], ln4[2], ln4[3]);
+ vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln1[3], ln0[0], ln0[1], ln0[2], ln0[3],
+ ln3[0], ln3[1], ln3[2], ln3[3], ln2[0], ln2[1], ln2[2], ln2[3],
+ ln4[0], ln4[1], ln4[2], ln4[3]);
+ // MESSAGE("vol quad hexa " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln1[3]);
+ ln.push_back(ln3[0]);
+ ln.push_back(ln3[1]);
+ ln.push_back(ln3[2]);
+ ln.push_back(ln3[3]);
+ break;
+ case VTK_POLYGON:
+ break;
+ default:
+ break;
+ }
+
+ if (vol)
+ {
+ stringstream grpname;
+ grpname << "jf_";
+ grpname << idom;
+ int idg;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ }
- // --- modify the face
+ // --- modify the face
- aFace->ChangeNodes(&ln[0], ln.size());
- }
+ aFace->ChangeNodes(&ln[0], ln.size());
}
+ }
return true;
}
* groups of faces to remove inside the object, (idem edges).
* Build ordered list of nodes at the border of each group of faces to replace (to be used to build a geom subshape)
*/
-void SMESH_MeshEditor::CreateHoleSkin(double radius,
- const TopoDS_Shape& theShape,
- SMESH_NodeSearcher* theNodeSearcher,
- const char* groupName,
- std::vector<double>& nodesCoords,
+void SMESH_MeshEditor::CreateHoleSkin(double radius,
+ const TopoDS_Shape& theShape,
+ SMESH_NodeSearcher* theNodeSearcher,
+ const char* groupName,
+ std::vector<double>& nodesCoords,
std::vector<std::vector<int> >& listOfListOfNodes)
{
- MESSAGE("--------------------------------");
- MESSAGE("SMESH_MeshEditor::CreateHoleSkin");
- MESSAGE("--------------------------------");
+ // MESSAGE("--------------------------------");
+ // MESSAGE("SMESH_MeshEditor::CreateHoleSkin");
+ // MESSAGE("--------------------------------");
// --- zone of volumes to remove is given :
// 1 either by a geom shape (one or more vertices) and a radius,
SMESHDS_GroupBase* groupDS = 0;
SMESH_Mesh::GroupIteratorPtr groupIt = this->myMesh->GetGroups();
while ( groupIt->more() )
- {
+ {
+ groupDS = 0;
+ SMESH_Group * group = groupIt->next();
+ if ( !group ) continue;
+ groupDS = group->GetGroupDS();
+ if ( !groupDS || groupDS->IsEmpty() ) continue;
+ std::string grpName = group->GetName();
+ //MESSAGE("grpName=" << grpName);
+ if (grpName == groupName)
+ break;
+ else
groupDS = 0;
- SMESH_Group * group = groupIt->next();
- if ( !group ) continue;
- groupDS = group->GetGroupDS();
- if ( !groupDS || groupDS->IsEmpty() ) continue;
- std::string grpName = group->GetName();
- //MESSAGE("grpName=" << grpName);
- if (grpName == groupName)
- break;
- else
- groupDS = 0;
- }
+ }
bool isNodeGroup = false;
bool isNodeCoords = false;
if (groupDS)
- {
- if (groupDS->GetType() != SMDSAbs_Node)
- return;
- isNodeGroup = true; // a group of nodes exists and it is in this mesh
- }
+ {
+ if (groupDS->GetType() != SMDSAbs_Node)
+ return;
+ isNodeGroup = true; // a group of nodes exists and it is in this mesh
+ }
if (nodesCoords.size() > 0)
isNodeCoords = true; // a list o nodes given by their coordinates
grpvName += "_vol";
SMESH_Group *grp = this->myMesh->AddGroup(SMDSAbs_Volume, grpvName.c_str(), idg);
if (!grp)
- {
- MESSAGE("group not created " << grpvName);
- return;
- }
+ {
+ MESSAGE("group not created " << grpvName);
+ return;
+ }
SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(grp->GetGroupDS());
int idgs; // --- group of SMDS faces on the skin
grpsName += "_skin";
SMESH_Group *grps = this->myMesh->AddGroup(SMDSAbs_Face, grpsName.c_str(), idgs);
if (!grps)
- {
- MESSAGE("group not created " << grpsName);
- return;
- }
+ {
+ MESSAGE("group not created " << grpsName);
+ return;
+ }
SMESHDS_Group *sgrps = dynamic_cast<SMESHDS_Group*>(grps->GetGroupDS());
int idgi; // --- group of SMDS faces internal (several shapes)
grpiName += "_internalFaces";
SMESH_Group *grpi = this->myMesh->AddGroup(SMDSAbs_Face, grpiName.c_str(), idgi);
if (!grpi)
- {
- MESSAGE("group not created " << grpiName);
- return;
- }
+ {
+ MESSAGE("group not created " << grpiName);
+ return;
+ }
SMESHDS_Group *sgrpi = dynamic_cast<SMESHDS_Group*>(grpi->GetGroupDS());
int idgei; // --- group of SMDS faces internal (several shapes)
grpeiName += "_internalEdges";
SMESH_Group *grpei = this->myMesh->AddGroup(SMDSAbs_Edge, grpeiName.c_str(), idgei);
if (!grpei)
- {
- MESSAGE("group not created " << grpeiName);
- return;
- }
+ {
+ MESSAGE("group not created " << grpeiName);
+ return;
+ }
SMESHDS_Group *sgrpei = dynamic_cast<SMESHDS_Group*>(grpei->GetGroupDS());
// --- build downward connectivity
gpnts.clear();
if (isNodeGroup) // --- a group of nodes is provided : find all the volumes using one or more of this nodes
+ {
+ //MESSAGE("group of nodes provided");
+ SMDS_ElemIteratorPtr elemIt = groupDS->GetElements();
+ while ( elemIt->more() )
{
- MESSAGE("group of nodes provided");
- SMDS_ElemIteratorPtr elemIt = groupDS->GetElements();
- while ( elemIt->more() )
- {
- const SMDS_MeshElement* elem = elemIt->next();
- if (!elem)
- continue;
- const SMDS_MeshNode* node = dynamic_cast<const SMDS_MeshNode*>(elem);
- if (!node)
- continue;
- SMDS_MeshElement* vol = 0;
- SMDS_ElemIteratorPtr volItr = node->GetInverseElementIterator(SMDSAbs_Volume);
- while (volItr->more())
- {
- vol = (SMDS_MeshElement*)volItr->next();
- setOfInsideVol.insert(vol->getVtkId());
- sgrp->Add(vol->GetID());
- }
- }
+ const SMDS_MeshElement* elem = elemIt->next();
+ if (!elem)
+ continue;
+ const SMDS_MeshNode* node = dynamic_cast<const SMDS_MeshNode*>(elem);
+ if (!node)
+ continue;
+ SMDS_MeshElement* vol = 0;
+ SMDS_ElemIteratorPtr volItr = node->GetInverseElementIterator(SMDSAbs_Volume);
+ while (volItr->more())
+ {
+ vol = (SMDS_MeshElement*)volItr->next();
+ setOfInsideVol.insert(vol->getVtkId());
+ sgrp->Add(vol->GetID());
+ }
}
+ }
else if (isNodeCoords)
+ {
+ //MESSAGE("list of nodes coordinates provided");
+ size_t i = 0;
+ int k = 0;
+ while ( i < nodesCoords.size()-2 )
{
- MESSAGE("list of nodes coordinates provided");
- int i = 0;
- int k = 0;
- while (i < nodesCoords.size()-2)
- {
- double x = nodesCoords[i++];
- double y = nodesCoords[i++];
- double z = nodesCoords[i++];
- gp_Pnt p = gp_Pnt(x, y ,z);
- gpnts.push_back(p);
- MESSAGE("TopoDS_Vertex " << k << " " << p.X() << " " << p.Y() << " " << p.Z());
- k++;
- }
+ double x = nodesCoords[i++];
+ double y = nodesCoords[i++];
+ double z = nodesCoords[i++];
+ gp_Pnt p = gp_Pnt(x, y ,z);
+ gpnts.push_back(p);
+ //MESSAGE("TopoDS_Vertex " << k << " " << p.X() << " " << p.Y() << " " << p.Z());
+ k++;
}
+ }
else // --- no group, no coordinates : use the vertices of the geom shape provided, and radius
- {
- MESSAGE("no group of nodes provided, using vertices from geom shape, and radius");
- TopTools_IndexedMapOfShape vertexMap;
- TopExp::MapShapes( theShape, TopAbs_VERTEX, vertexMap );
- gp_Pnt p = gp_Pnt(0,0,0);
- if (vertexMap.Extent() < 1)
- return;
+ {
+ //MESSAGE("no group of nodes provided, using vertices from geom shape, and radius");
+ TopTools_IndexedMapOfShape vertexMap;
+ TopExp::MapShapes( theShape, TopAbs_VERTEX, vertexMap );
+ gp_Pnt p = gp_Pnt(0,0,0);
+ if (vertexMap.Extent() < 1)
+ return;
- for ( int i = 1; i <= vertexMap.Extent(); ++i )
- {
- const TopoDS_Vertex& vertex = TopoDS::Vertex( vertexMap( i ));
- p = BRep_Tool::Pnt(vertex);
- gpnts.push_back(p);
- MESSAGE("TopoDS_Vertex " << i << " " << p.X() << " " << p.Y() << " " << p.Z());
- }
+ for ( int i = 1; i <= vertexMap.Extent(); ++i )
+ {
+ const TopoDS_Vertex& vertex = TopoDS::Vertex( vertexMap( i ));
+ p = BRep_Tool::Pnt(vertex);
+ gpnts.push_back(p);
+ //MESSAGE("TopoDS_Vertex " << i << " " << p.X() << " " << p.Y() << " " << p.Z());
}
+ }
if (gpnts.size() > 0)
- {
- int nodeId = 0;
- const SMDS_MeshNode* startNode = theNodeSearcher->FindClosestTo(gpnts[0]);
- if (startNode)
- nodeId = startNode->GetID();
- MESSAGE("nodeId " << nodeId);
+ {
+ const SMDS_MeshNode* startNode = theNodeSearcher->FindClosestTo(gpnts[0]);
+ //MESSAGE("startNode->nodeId " << nodeId);
- double radius2 = radius*radius;
- MESSAGE("radius2 " << radius2);
+ double radius2 = radius*radius;
+ //MESSAGE("radius2 " << radius2);
- // --- volumes on start node
+ // --- volumes on start node
- setOfVolToCheck.clear();
- SMDS_MeshElement* startVol = 0;
- SMDS_ElemIteratorPtr volItr = startNode->GetInverseElementIterator(SMDSAbs_Volume);
- while (volItr->more())
- {
- startVol = (SMDS_MeshElement*)volItr->next();
- setOfVolToCheck.insert(startVol->getVtkId());
- }
- if (setOfVolToCheck.empty())
- {
- MESSAGE("No volumes found");
- return;
- }
+ setOfVolToCheck.clear();
+ SMDS_MeshElement* startVol = 0;
+ SMDS_ElemIteratorPtr volItr = startNode->GetInverseElementIterator(SMDSAbs_Volume);
+ while (volItr->more())
+ {
+ startVol = (SMDS_MeshElement*)volItr->next();
+ setOfVolToCheck.insert(startVol->getVtkId());
+ }
+ if (setOfVolToCheck.empty())
+ {
+ MESSAGE("No volumes found");
+ return;
+ }
- // --- starting with central volumes then their neighbors, check if they are inside
- // or outside the domain, until no more new neighbor volume is inside.
- // Fill the group of inside volumes
+ // --- starting with central volumes then their neighbors, check if they are inside
+ // or outside the domain, until no more new neighbor volume is inside.
+ // Fill the group of inside volumes
- std::map<int, double> mapOfNodeDistance2;
- mapOfNodeDistance2.clear();
- std::set<int> setOfOutsideVol;
- while (!setOfVolToCheck.empty())
+ std::map<int, double> mapOfNodeDistance2;
+ mapOfNodeDistance2.clear();
+ std::set<int> setOfOutsideVol;
+ while (!setOfVolToCheck.empty())
+ {
+ std::set<int>::iterator it = setOfVolToCheck.begin();
+ int vtkId = *it;
+ //MESSAGE("volume to check, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ bool volInside = false;
+ vtkIdType npts = 0;
+ vtkIdType* pts = 0;
+ grid->GetCellPoints(vtkId, npts, pts);
+ for (int i=0; i<npts; i++)
+ {
+ double distance2 = 0;
+ if (mapOfNodeDistance2.count(pts[i]))
+ {
+ distance2 = mapOfNodeDistance2[pts[i]];
+ //MESSAGE("point " << pts[i] << " distance2 " << distance2);
+ }
+ else
{
- std::set<int>::iterator it = setOfVolToCheck.begin();
- int vtkId = *it;
- MESSAGE("volume to check, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
- bool volInside = false;
- vtkIdType npts = 0;
- vtkIdType* pts = 0;
- grid->GetCellPoints(vtkId, npts, pts);
- for (int i=0; i<npts; i++)
+ double *coords = grid->GetPoint(pts[i]);
+ gp_Pnt aPoint = gp_Pnt(coords[0], coords[1], coords[2]);
+ distance2 = 1.E40;
+ for ( size_t j = 0; j < gpnts.size(); j++ )
+ {
+ double d2 = aPoint.SquareDistance( gpnts[ j ]);
+ if (d2 < distance2)
{
- double distance2 = 0;
- if (mapOfNodeDistance2.count(pts[i]))
- {
- distance2 = mapOfNodeDistance2[pts[i]];
- MESSAGE("point " << pts[i] << " distance2 " << distance2);
- }
- else
- {
- double *coords = grid->GetPoint(pts[i]);
- gp_Pnt aPoint = gp_Pnt(coords[0], coords[1], coords[2]);
- distance2 = 1.E40;
- for (int j=0; j<gpnts.size(); j++)
- {
- double d2 = aPoint.SquareDistance(gpnts[j]);
- if (d2 < distance2)
- {
- distance2 = d2;
- if (distance2 < radius2)
- break;
- }
- }
- mapOfNodeDistance2[pts[i]] = distance2;
- MESSAGE(" point " << pts[i] << " distance2 " << distance2 << " coords " << coords[0] << " " << coords[1] << " " << coords[2]);
- }
+ distance2 = d2;
if (distance2 < radius2)
- {
- volInside = true; // one or more nodes inside the domain
- sgrp->Add(meshDS->fromVtkToSmds(vtkId));
- break;
- }
- }
- if (volInside)
- {
- setOfInsideVol.insert(vtkId);
- MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
- for (int n = 0; n < nbNeighbors; n++)
- if (!setOfInsideVol.count(neighborsVtkIds[n]) ||setOfOutsideVol.count(neighborsVtkIds[n]))
- setOfVolToCheck.insert(neighborsVtkIds[n]);
- }
- else
- {
- setOfOutsideVol.insert(vtkId);
- MESSAGE(" volume outside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ break;
}
- setOfVolToCheck.erase(vtkId);
+ }
+ mapOfNodeDistance2[pts[i]] = distance2;
+ //MESSAGE(" point " << pts[i] << " distance2 " << distance2 << " coords " << coords[0] << " " << coords[1] << " " << coords[2]);
+ }
+ if (distance2 < radius2)
+ {
+ volInside = true; // one or more nodes inside the domain
+ sgrp->Add(meshDS->fromVtkToSmds(vtkId));
+ break;
}
+ }
+ if (volInside)
+ {
+ setOfInsideVol.insert(vtkId);
+ //MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (!setOfInsideVol.count(neighborsVtkIds[n]) ||setOfOutsideVol.count(neighborsVtkIds[n]))
+ setOfVolToCheck.insert(neighborsVtkIds[n]);
+ }
+ else
+ {
+ setOfOutsideVol.insert(vtkId);
+ //MESSAGE(" volume outside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ }
+ setOfVolToCheck.erase(vtkId);
}
+ }
// --- for outside hexahedrons, check if they have more than one neighbor volume inside
// If yes, add the volume to the inside set
bool addedInside = true;
std::set<int> setOfVolToReCheck;
while (addedInside)
+ {
+ //MESSAGE(" --------------------------- re check");
+ addedInside = false;
+ std::set<int>::iterator itv = setOfInsideVol.begin();
+ for (; itv != setOfInsideVol.end(); ++itv)
{
- MESSAGE(" --------------------------- re check");
- addedInside = false;
- std::set<int>::iterator itv = setOfInsideVol.begin();
- for (; itv != setOfInsideVol.end(); ++itv)
- {
- int vtkId = *itv;
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
- for (int n = 0; n < nbNeighbors; n++)
- if (!setOfInsideVol.count(neighborsVtkIds[n]))
- setOfVolToReCheck.insert(neighborsVtkIds[n]);
- }
- setOfVolToCheck = setOfVolToReCheck;
- setOfVolToReCheck.clear();
- while (!setOfVolToCheck.empty())
+ int vtkId = *itv;
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (!setOfInsideVol.count(neighborsVtkIds[n]))
+ setOfVolToReCheck.insert(neighborsVtkIds[n]);
+ }
+ setOfVolToCheck = setOfVolToReCheck;
+ setOfVolToReCheck.clear();
+ while (!setOfVolToCheck.empty())
+ {
+ std::set<int>::iterator it = setOfVolToCheck.begin();
+ int vtkId = *it;
+ if (grid->GetCellType(vtkId) == VTK_HEXAHEDRON)
+ {
+ //MESSAGE("volume to recheck, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int countInside = 0;
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (setOfInsideVol.count(neighborsVtkIds[n]))
+ countInside++;
+ //MESSAGE("countInside " << countInside);
+ if (countInside > 1)
{
- std::set<int>::iterator it = setOfVolToCheck.begin();
- int vtkId = *it;
- if (grid->GetCellType(vtkId) == VTK_HEXAHEDRON)
- {
- MESSAGE("volume to recheck, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
- int countInside = 0;
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
- for (int n = 0; n < nbNeighbors; n++)
- if (setOfInsideVol.count(neighborsVtkIds[n]))
- countInside++;
- MESSAGE("countInside " << countInside);
- if (countInside > 1)
- {
- MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
- setOfInsideVol.insert(vtkId);
- sgrp->Add(meshDS->fromVtkToSmds(vtkId));
- addedInside = true;
- }
- else
- setOfVolToReCheck.insert(vtkId);
- }
- setOfVolToCheck.erase(vtkId);
+ //MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ setOfInsideVol.insert(vtkId);
+ sgrp->Add(meshDS->fromVtkToSmds(vtkId));
+ addedInside = true;
}
+ else
+ setOfVolToReCheck.insert(vtkId);
+ }
+ setOfVolToCheck.erase(vtkId);
}
+ }
// --- map of Downward faces at the boundary, inside the global volume
// map of Downward faces on the skin of the global volume (equivalent to SMDS faces on the skin)
std::map<DownIdType, int, DownIdCompare> skinFaces; // faces on the skin of the global volume --> corresponding cell
std::set<int>::iterator it = setOfInsideVol.begin();
for (; it != setOfInsideVol.end(); ++it)
- {
- int vtkId = *it;
- //MESSAGE(" vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId, true);
- for (int n = 0; n < nbNeighbors; n++)
+ {
+ int vtkId = *it;
+ //MESSAGE(" vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId, true);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ int neighborDim = SMDS_Downward::getCellDimension(grid->GetCellType(neighborsVtkIds[n]));
+ if (neighborDim == 3)
+ {
+ if (! setOfInsideVol.count(neighborsVtkIds[n])) // neighbor volume is not inside : face is boundary
{
- int neighborDim = SMDS_Downward::getCellDimension(grid->GetCellType(neighborsVtkIds[n]));
- if (neighborDim == 3)
- {
- if (! setOfInsideVol.count(neighborsVtkIds[n])) // neighbor volume is not inside : face is boundary
- {
- DownIdType face(downIds[n], downTypes[n]);
- boundaryFaces[face] = vtkId;
- }
- // if the face between to volumes is in the mesh, get it (internal face between shapes)
- int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
- if (vtkFaceId >= 0)
- {
- sgrpi->Add(meshDS->fromVtkToSmds(vtkFaceId));
- // find also the smds edges on this face
- int nbEdges = grid->getDownArray(downTypes[n])->getNumberOfDownCells(downIds[n]);
- const int* dEdges = grid->getDownArray(downTypes[n])->getDownCells(downIds[n]);
- const unsigned char* dTypes = grid->getDownArray(downTypes[n])->getDownTypes(downIds[n]);
- for (int i = 0; i < nbEdges; i++)
- {
- int vtkEdgeId = grid->getDownArray(dTypes[i])->getVtkCellId(dEdges[i]);
- if (vtkEdgeId >= 0)
- sgrpei->Add(meshDS->fromVtkToSmds(vtkEdgeId));
- }
- }
- }
- else if (neighborDim == 2) // skin of the volume
- {
- DownIdType face(downIds[n], downTypes[n]);
- skinFaces[face] = vtkId;
- int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
- if (vtkFaceId >= 0)
- sgrps->Add(meshDS->fromVtkToSmds(vtkFaceId));
- }
+ DownIdType face(downIds[n], downTypes[n]);
+ boundaryFaces[face] = vtkId;
+ }
+ // if the face between to volumes is in the mesh, get it (internal face between shapes)
+ int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
+ if (vtkFaceId >= 0)
+ {
+ sgrpi->Add(meshDS->fromVtkToSmds(vtkFaceId));
+ // find also the smds edges on this face
+ int nbEdges = grid->getDownArray(downTypes[n])->getNumberOfDownCells(downIds[n]);
+ const int* dEdges = grid->getDownArray(downTypes[n])->getDownCells(downIds[n]);
+ const unsigned char* dTypes = grid->getDownArray(downTypes[n])->getDownTypes(downIds[n]);
+ for (int i = 0; i < nbEdges; i++)
+ {
+ int vtkEdgeId = grid->getDownArray(dTypes[i])->getVtkCellId(dEdges[i]);
+ if (vtkEdgeId >= 0)
+ sgrpei->Add(meshDS->fromVtkToSmds(vtkEdgeId));
+ }
}
+ }
+ else if (neighborDim == 2) // skin of the volume
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ skinFaces[face] = vtkId;
+ int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
+ if (vtkFaceId >= 0)
+ sgrps->Add(meshDS->fromVtkToSmds(vtkFaceId));
+ }
}
+ }
// --- identify the edges constituting the wire of each subshape on the skin
// define polylines with the nodes of edges, equivalent to wires
SMDS_ElemIteratorPtr itelem = sgrps->GetElements();
while (itelem->more())
+ {
+ const SMDS_MeshElement *elem = itelem->next();
+ int shapeId = elem->getshapeId();
+ int vtkId = elem->getVtkId();
+ if (!shapeIdToVtkIdSet.count(shapeId))
{
- const SMDS_MeshElement *elem = itelem->next();
- int shapeId = elem->getshapeId();
- int vtkId = elem->getVtkId();
- if (!shapeIdToVtkIdSet.count(shapeId))
- {
- shapeIdToVtkIdSet[shapeId] = emptySet;
- shapeIds.insert(shapeId);
- }
- shapeIdToVtkIdSet[shapeId].insert(vtkId);
+ shapeIdToVtkIdSet[shapeId] = emptySet;
+ shapeIds.insert(shapeId);
}
+ shapeIdToVtkIdSet[shapeId].insert(vtkId);
+ }
std::map<int, std::set<DownIdType, DownIdCompare> > shapeIdToEdges; // shapeId --> set of downward edges
std::set<DownIdType, DownIdCompare> emptyEdges;
emptyEdges.clear();
- std::map<int, std::set<int> >::iterator itShape = shapeIdToVtkIdSet.begin();
- for (; itShape != shapeIdToVtkIdSet.end(); ++itShape)
+ std::map<int, std::set<int> >::iterator itShape = shapeIdToVtkIdSet.begin();
+ for (; itShape != shapeIdToVtkIdSet.end(); ++itShape)
+ {
+ int shapeId = itShape->first;
+ //MESSAGE(" --- Shape ID --- "<< shapeId);
+ shapeIdToEdges[shapeId] = emptyEdges;
+
+ std::vector<int> nodesEdges;
+
+ std::set<int>::iterator its = itShape->second.begin();
+ for (; its != itShape->second.end(); ++its)
+ {
+ int vtkId = *its;
+ //MESSAGE(" " << vtkId);
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ if (neighborsVtkIds[n]<0) // only smds faces are considered as neighbors here
+ continue;
+ int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
+ const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
+ if ( shapeIds.count(elem->getshapeId()) && !sgrps->Contains(elem)) // edge : neighbor in the set of shape, not in the group
+ {
+ DownIdType edge(downIds[n], downTypes[n]);
+ if (!shapeIdToEdges[shapeId].count(edge))
+ {
+ shapeIdToEdges[shapeId].insert(edge);
+ int vtkNodeId[3];
+ int nbNodes = grid->getDownArray(downTypes[n])->getNodes(downIds[n],vtkNodeId);
+ nodesEdges.push_back(vtkNodeId[0]);
+ nodesEdges.push_back(vtkNodeId[nbNodes-1]);
+ //MESSAGE(" --- nodes " << vtkNodeId[0]+1 << " " << vtkNodeId[nbNodes-1]+1);
+ }
+ }
+ }
+ }
+
+ std::list<int> order;
+ order.clear();
+ if (nodesEdges.size() > 0)
{
- int shapeId = itShape->first;
- MESSAGE(" --- Shape ID --- "<< shapeId);
- shapeIdToEdges[shapeId] = emptyEdges;
-
- std::vector<int> nodesEdges;
-
- std::set<int>::iterator its = itShape->second.begin();
- for (; its != itShape->second.end(); ++its)
+ order.push_back(nodesEdges[0]); //MESSAGE(" --- back " << order.back()+1); // SMDS id = VTK id + 1;
+ nodesEdges[0] = -1;
+ order.push_back(nodesEdges[1]); //MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[1] = -1; // do not reuse this edge
+ bool found = true;
+ while (found)
+ {
+ int nodeTofind = order.back(); // try first to push back
+ int i = 0;
+ for ( i = 0; i < (int)nodesEdges.size(); i++ )
+ if (nodesEdges[i] == nodeTofind)
+ break;
+ if ( i == (int) nodesEdges.size() )
+ found = false; // no follower found on back
+ else
{
- int vtkId = *its;
- MESSAGE(" " << vtkId);
- int neighborsVtkIds[NBMAXNEIGHBORS];
- int downIds[NBMAXNEIGHBORS];
- unsigned char downTypes[NBMAXNEIGHBORS];
- int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
- for (int n = 0; n < nbNeighbors; n++)
+ if (i%2) // odd ==> use the previous one
+ if (nodesEdges[i-1] < 0)
+ found = false;
+ else
{
- if (neighborsVtkIds[n]<0) // only smds faces are considered as neighbors here
- continue;
- int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
- const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
- if ( shapeIds.count(elem->getshapeId()) && !sgrps->Contains(elem)) // edge : neighbor in the set of shape, not in the group
- {
- DownIdType edge(downIds[n], downTypes[n]);
- if (!shapeIdToEdges[shapeId].count(edge))
- {
- shapeIdToEdges[shapeId].insert(edge);
- int vtkNodeId[3];
- int nbNodes = grid->getDownArray(downTypes[n])->getNodes(downIds[n],vtkNodeId);
- nodesEdges.push_back(vtkNodeId[0]);
- nodesEdges.push_back(vtkNodeId[nbNodes-1]);
- MESSAGE(" --- nodes " << vtkNodeId[0]+1 << " " << vtkNodeId[nbNodes-1]+1);
- }
- }
+ order.push_back(nodesEdges[i-1]); //MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[i-1] = -1;
}
- }
-
- std::list<int> order;
- order.clear();
- if (nodesEdges.size() > 0)
- {
- order.push_back(nodesEdges[0]); MESSAGE(" --- back " << order.back()+1); // SMDS id = VTK id + 1;
- nodesEdges[0] = -1;
- order.push_back(nodesEdges[1]); MESSAGE(" --- back " << order.back()+1);
- nodesEdges[1] = -1; // do not reuse this edge
- bool found = true;
- while (found)
+ else // even ==> use the next one
+ if (nodesEdges[i+1] < 0)
+ found = false;
+ else
{
- int nodeTofind = order.back(); // try first to push back
- int i = 0;
- for (i = 0; i<nodesEdges.size(); i++)
- if (nodesEdges[i] == nodeTofind)
- break;
- if (i == nodesEdges.size())
- found = false; // no follower found on back
- else
- {
- if (i%2) // odd ==> use the previous one
- if (nodesEdges[i-1] < 0)
- found = false;
- else
- {
- order.push_back(nodesEdges[i-1]); MESSAGE(" --- back " << order.back()+1);
- nodesEdges[i-1] = -1;
- }
- else // even ==> use the next one
- if (nodesEdges[i+1] < 0)
- found = false;
- else
- {
- order.push_back(nodesEdges[i+1]); MESSAGE(" --- back " << order.back()+1);
- nodesEdges[i+1] = -1;
- }
- }
- if (found)
- continue;
- // try to push front
- found = true;
- nodeTofind = order.front(); // try to push front
- for (i = 0; i<nodesEdges.size(); i++)
- if (nodesEdges[i] == nodeTofind)
- break;
- if (i == nodesEdges.size())
- {
- found = false; // no predecessor found on front
- continue;
- }
- if (i%2) // odd ==> use the previous one
- if (nodesEdges[i-1] < 0)
- found = false;
- else
- {
- order.push_front(nodesEdges[i-1]); MESSAGE(" --- front " << order.front()+1);
- nodesEdges[i-1] = -1;
- }
- else // even ==> use the next one
- if (nodesEdges[i+1] < 0)
- found = false;
- else
- {
- order.push_front(nodesEdges[i+1]); MESSAGE(" --- front " << order.front()+1);
- nodesEdges[i+1] = -1;
- }
+ order.push_back(nodesEdges[i+1]); //MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[i+1] = -1;
}
}
-
-
- std::vector<int> nodes;
- nodes.push_back(shapeId);
- std::list<int>::iterator itl = order.begin();
- for (; itl != order.end(); itl++)
+ if (found)
+ continue;
+ // try to push front
+ found = true;
+ nodeTofind = order.front(); // try to push front
+ for ( i = 0; i < (int)nodesEdges.size(); i++ )
+ if ( nodesEdges[i] == nodeTofind )
+ break;
+ if ( i == (int)nodesEdges.size() )
{
- nodes.push_back((*itl) + 1); // SMDS id = VTK id + 1;
- MESSAGE(" ordered node " << nodes[nodes.size()-1]);
+ found = false; // no predecessor found on front
+ continue;
}
- listOfListOfNodes.push_back(nodes);
+ if (i%2) // odd ==> use the previous one
+ if (nodesEdges[i-1] < 0)
+ found = false;
+ else
+ {
+ order.push_front(nodesEdges[i-1]); //MESSAGE(" --- front " << order.front()+1);
+ nodesEdges[i-1] = -1;
+ }
+ else // even ==> use the next one
+ if (nodesEdges[i+1] < 0)
+ found = false;
+ else
+ {
+ order.push_front(nodesEdges[i+1]); //MESSAGE(" --- front " << order.front()+1);
+ nodesEdges[i+1] = -1;
+ }
+ }
}
+
+ std::vector<int> nodes;
+ nodes.push_back(shapeId);
+ std::list<int>::iterator itl = order.begin();
+ for (; itl != order.end(); itl++)
+ {
+ nodes.push_back((*itl) + 1); // SMDS id = VTK id + 1;
+ //MESSAGE(" ordered node " << nodes[nodes.size()-1]);
+ }
+ listOfListOfNodes.push_back(nodes);
+ }
+
// partition geom faces with blocFissure
// mesh blocFissure and geom faces of the skin (external wires given, triangle algo to choose)
// mesh volume around blocFissure (skin triangles and quadrangle given, tetra algo to choose)
SMESHDS_Mesh* aMesh = GetMeshDS();
if (!aMesh)
return false;
- //bool res = false;
+
+ ElemFeatures faceType( SMDSAbs_Face );
int nbFree = 0, nbExisted = 0, nbCreated = 0;
SMDS_VolumeIteratorPtr vIt = aMesh->volumesIterator();
while(vIt->more())
const SMDS_MeshVolume* volume = vIt->next();
SMDS_VolumeTool vTool( volume, /*ignoreCentralNodes=*/false );
vTool.SetExternalNormal();
- //const bool isPoly = volume->IsPoly();
const int iQuad = volume->IsQuadratic();
+ faceType.SetQuad( iQuad );
for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
{
if (!vTool.IsFreeFace(iface))
int inode = 0;
for ( ; inode < nbFaceNodes; inode += iQuad+1)
nodes.push_back(faceNodes[inode]);
- if (iQuad) { // add medium nodes
+
+ if (iQuad) // add medium nodes
+ {
for ( inode = 1; inode < nbFaceNodes; inode += 2)
nodes.push_back(faceNodes[inode]);
if ( nbFaceNodes == 9 ) // bi-quadratic quad
nodes.push_back(faceNodes[8]);
}
// add new face based on volume nodes
- if (aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false) ) {
- nbExisted++;
- continue; // face already exsist
+ if (aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false) )
+ {
+ nbExisted++; // face already exsist
+ }
+ else
+ {
+ AddElement( nodes, faceType.SetPoly( nbFaceNodes/(iQuad+1) > 4 ));
+ nbCreated++;
}
- AddElement(nodes, SMDSAbs_Face, ( !iQuad && nbFaceNodes/(iQuad+1) > 4 ));
- nbCreated++;
}
}
- return ( nbFree==(nbExisted+nbCreated) );
+ return ( nbFree == ( nbExisted + nbCreated ));
}
namespace
SMDS_VolumeTool vTool;
TIDSortedElemSet avoidSet;
const TIDSortedElemSet emptySet, *elemSet = aroundElements ? &elements : &emptySet;
- int inode;
+ size_t inode;
typedef vector<const SMDS_MeshNode*> TConnectivity;
+ TConnectivity tgtNodes;
+ ElemFeatures elemKind( missType ), elemToCopy;
+
+ vector<const SMDS_MeshElement*> presentBndElems;
+ vector<TConnectivity> missingBndElems;
+ vector<int> freeFacets;
+ TConnectivity nodes, elemNodes;
SMDS_ElemIteratorPtr eIt;
if (elements.empty()) eIt = aMesh->elementsIterator(elemType);
{
const SMDS_MeshElement* elem = eIt->next();
const int iQuad = elem->IsQuadratic();
+ elemKind.SetQuad( iQuad );
// ------------------------------------------------------------------------------------
// 1. For an elem, get present bnd elements and connectivities of missing bnd elements
// ------------------------------------------------------------------------------------
- vector<const SMDS_MeshElement*> presentBndElems;
- vector<TConnectivity> missingBndElems;
- TConnectivity nodes, elemNodes;
+ presentBndElems.clear();
+ missingBndElems.clear();
+ freeFacets.clear(); nodes.clear(); elemNodes.clear();
if ( vTool.Set(elem, /*ignoreCentralNodes=*/true) ) // elem is a volume --------------
{
- vTool.SetExternalNormal();
const SMDS_MeshElement* otherVol = 0;
for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
{
if ( !vTool.IsFreeFace(iface, &otherVol) &&
( !aroundElements || elements.count( otherVol )))
continue;
+ freeFacets.push_back( iface );
+ }
+ if ( missType == SMDSAbs_Face )
+ vTool.SetExternalNormal();
+ for ( size_t i = 0; i < freeFacets.size(); ++i )
+ {
+ int iface = freeFacets[i];
const SMDS_MeshNode** nn = vTool.GetFaceNodes(iface);
- const int nbFaceNodes = vTool.NbFaceNodes (iface);
+ const size_t nbFaceNodes = vTool.NbFaceNodes (iface);
if ( missType == SMDSAbs_Edge ) // boundary edges
{
nodes.resize( 2+iQuad );
- for ( int i = 0; i < nbFaceNodes; i += 1+iQuad)
+ for ( size_t i = 0; i < nbFaceNodes; i += 1+iQuad )
{
- for ( int j = 0; j < nodes.size(); ++j )
- nodes[j] =nn[i+j];
+ for ( size_t j = 0; j < nodes.size(); ++j )
+ nodes[ j ] = nn[ i+j ];
if ( const SMDS_MeshElement* edge =
- aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/false))
+ aMesh->FindElement( nodes, SMDSAbs_Edge, /*noMedium=*/false ))
presentBndElems.push_back( edge );
else
missingBndElems.push_back( nodes );
if ( targetMesh != myMesh )
// instead of making a map of nodes in this mesh and targetMesh,
// we create nodes with same IDs.
- for ( int i = 0; i < missingBndElems.size(); ++i )
+ for ( size_t i = 0; i < missingBndElems.size(); ++i )
{
TConnectivity& srcNodes = missingBndElems[i];
- TConnectivity nodes( srcNodes.size() );
- for ( inode = 0; inode < nodes.size(); ++inode )
- nodes[inode] = getNodeWithSameID( tgtMeshDS, srcNodes[inode] );
- if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( nodes,
+ tgtNodes.resize( srcNodes.size() );
+ for ( inode = 0; inode < srcNodes.size(); ++inode )
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, srcNodes[inode] );
+ if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( tgtNodes,
missType,
/*noMedium=*/false))
continue;
- tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
+ tgtEditor.AddElement( tgtNodes, elemKind.SetPoly( tgtNodes.size()/(iQuad+1) > 4 ));
++nbAddedBnd;
}
else
- for ( int i = 0; i < missingBndElems.size(); ++i )
+ for ( size_t i = 0; i < missingBndElems.size(); ++i )
{
- TConnectivity& nodes = missingBndElems[i];
+ TConnectivity& nodes = missingBndElems[ i ];
if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( nodes,
missType,
/*noMedium=*/false))
continue;
- SMDS_MeshElement* elem =
- tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
- ++nbAddedBnd;
+ SMDS_MeshElement* newElem =
+ tgtEditor.AddElement( nodes, elemKind.SetPoly( nodes.size()/(iQuad+1) > 4 ));
+ nbAddedBnd += bool( newElem );
// try to set a new element to a shape
if ( myMesh->HasShapeToMesh() )
{
bool ok = true;
set< pair<TopAbs_ShapeEnum, int > > mediumShapes;
- const int nbN = nodes.size() / (iQuad+1 );
+ const size_t nbN = nodes.size() / (iQuad+1 );
for ( inode = 0; inode < nbN && ok; ++inode )
{
pair<int, TopAbs_ShapeEnum> i_stype =
}
}
if ( ok && mediumShapes.begin()->first == missShapeType )
- aMesh->SetMeshElementOnShape( elem, mediumShapes.begin()->second );
+ aMesh->SetMeshElementOnShape( newElem, mediumShapes.begin()->second );
}
}
// 3. Copy present boundary elements
// ----------------------------------
if ( toCopyExistingBoundary )
- for ( int i = 0 ; i < presentBndElems.size(); ++i )
+ for ( size_t i = 0 ; i < presentBndElems.size(); ++i )
{
const SMDS_MeshElement* e = presentBndElems[i];
- TConnectivity nodes( e->NbNodes() );
- for ( inode = 0; inode < nodes.size(); ++inode )
- nodes[inode] = getNodeWithSameID( tgtMeshDS, e->GetNode(inode) );
- presentEditor->AddElement(nodes, e->GetType(), e->IsPoly());
+ tgtNodes.resize( e->NbNodes() );
+ for ( inode = 0; inode < tgtNodes.size(); ++inode )
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, e->GetNode(inode) );
+ presentEditor->AddElement( tgtNodes, elemToCopy.Init( e ));
}
else // store present elements to add them to a group
- for ( int i = 0 ; i < presentBndElems.size(); ++i )
+ for ( size_t i = 0 ; i < presentBndElems.size(); ++i )
{
- presentEditor->myLastCreatedElems.Append(presentBndElems[i]);
+ presentEditor->myLastCreatedElems.Append( presentBndElems[ i ]);
}
} // loop on given elements
while (eIt->more())
{
const SMDS_MeshElement* elem = eIt->next();
- TConnectivity nodes( elem->NbNodes() );
- for ( inode = 0; inode < nodes.size(); ++inode )
- nodes[inode] = getNodeWithSameID( tgtMeshDS, elem->GetNode(inode) );
- tgtEditor.AddElement(nodes, elemType, elem->IsPoly());
+ tgtNodes.resize( elem->NbNodes() );
+ for ( inode = 0; inode < tgtNodes.size(); ++inode )
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, elem->GetNode(inode) );
+ tgtEditor.AddElement( tgtNodes, elemToCopy.Init( elem ));
tgtEditor.myLastCreatedElems.Clear();
}
default:;
}
}
+
+namespace // utils for MakePolyLine
+{
+ //================================================================================
+ /*!
+ * \brief Sequence of found points and a current point data
+ */
+ struct Path
+ {
+ std::vector< gp_XYZ > myPoints;
+ double myLength;
+
+ int mySrcPntInd; //!< start point index
+ const SMDS_MeshElement* myFace;
+ SMESH_NodeXYZ myNode1;
+ SMESH_NodeXYZ myNode2;
+ int myNodeInd1;
+ int myNodeInd2;
+ double myDot1;
+ double myDot2;
+ TIDSortedElemSet myElemSet, myAvoidSet;
+
+ Path(): myLength(0.0), myFace(0) {}
+
+ bool SetCutAtCorner( const SMESH_NodeXYZ& cornerNode,
+ const SMDS_MeshElement* face,
+ const gp_XYZ& plnNorm,
+ const gp_XYZ& plnOrig );
+
+ void AddPoint( const gp_XYZ& p );
+
+ bool Extend( const gp_XYZ& plnNorm, const gp_XYZ& plnOrig );
+
+ bool ReachSamePoint( const Path& other );
+
+ static void Remove( std::vector< Path > & paths, size_t& i );
+ };
+
+ //================================================================================
+ /*!
+ * \brief Return true if this Path meats another
+ */
+ //================================================================================
+
+ bool Path::ReachSamePoint( const Path& other )
+ {
+ return ( mySrcPntInd != other.mySrcPntInd &&
+ myFace == other.myFace );
+ }
+
+ //================================================================================
+ /*!
+ * \brief Remove a path from a vector
+ */
+ //================================================================================
+
+ void Path::Remove( std::vector< Path > & paths, size_t& i )
+ {
+ if ( paths.size() > 1 )
+ {
+ size_t j = paths.size() - 1; // last item to be removed
+ if ( i < j )
+ {
+ paths[ i ].myPoints.swap( paths[ j ].myPoints );
+ paths[ i ].myLength = paths[ j ].myLength;
+ paths[ i ].mySrcPntInd = paths[ j ].mySrcPntInd;
+ paths[ i ].myFace = paths[ j ].myFace;
+ paths[ i ].myNode1 = paths[ j ].myNode1;
+ paths[ i ].myNode2 = paths[ j ].myNode2;
+ paths[ i ].myNodeInd1 = paths[ j ].myNodeInd1;
+ paths[ i ].myNodeInd2 = paths[ j ].myNodeInd2;
+ paths[ i ].myDot1 = paths[ j ].myDot1;
+ paths[ i ].myDot2 = paths[ j ].myDot2;
+ }
+ }
+ paths.pop_back();
+ if ( i > 0 )
+ --i;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Store a point that is at a node of a face if the face is intersected by plane.
+ * Return false if the node is a sole intersection point of the face and the plane
+ */
+ //================================================================================
+
+ bool Path::SetCutAtCorner( const SMESH_NodeXYZ& cornerNode,
+ const SMDS_MeshElement* face,
+ const gp_XYZ& plnNorm,
+ const gp_XYZ& plnOrig )
+ {
+ if ( face == myFace )
+ return false;
+ myNodeInd1 = face->GetNodeIndex( cornerNode._node );
+ myNodeInd2 = ( myNodeInd1 + 1 ) % face->NbCornerNodes();
+ int ind3 = ( myNodeInd1 + 2 ) % face->NbCornerNodes();
+ myNode1.Set( face->GetNode( ind3 ));
+ myNode2.Set( face->GetNode( myNodeInd2 ));
+
+ myDot1 = plnNorm * ( myNode1 - plnOrig );
+ myDot2 = plnNorm * ( myNode2 - plnOrig );
+
+ bool ok = ( myDot1 * myDot2 < 0 );
+ if ( !ok && myDot1 * myDot2 == 0 )
+ {
+ ok = ( myDot1 != myDot2 );
+ if ( ok && myFace )
+ ok = ( myFace->GetNodeIndex(( myDot1 == 0 ? myNode1 : myNode2 )._node ) < 0 );
+ }
+ if ( ok )
+ {
+ myFace = face;
+ myDot1 = 0;
+ AddPoint( cornerNode );
+ }
+ return ok;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Store a point and update myLength
+ */
+ //================================================================================
+
+ void Path::AddPoint( const gp_XYZ& p )
+ {
+ if ( !myPoints.empty() )
+ myLength += ( p - myPoints.back() ).Modulus();
+ else
+ myLength = 0;
+ myPoints.push_back( p );
+ }
+
+ //================================================================================
+ /*!
+ * \brief Try to find the next point
+ * \param [in] plnNorm - cutting plane normal
+ * \param [in] plnOrig - cutting plane origin
+ */
+ //================================================================================
+
+ bool Path::Extend( const gp_XYZ& plnNorm, const gp_XYZ& plnOrig )
+ {
+ int nodeInd3 = ( myNodeInd1 + 1 ) % myFace->NbCornerNodes();
+ if ( myNodeInd2 == nodeInd3 )
+ nodeInd3 = ( myNodeInd1 + 2 ) % myFace->NbCornerNodes();
+
+ SMESH_NodeXYZ node3 = myFace->GetNode( nodeInd3 );
+ double dot3 = plnNorm * ( node3 - plnOrig );
+
+ if ( dot3 * myDot1 < 0. )
+ {
+ myNode2 = node3;
+ myNodeInd2 = nodeInd3;
+ myDot2 = dot3;
+ }
+ else if ( dot3 * myDot2 < 0. )
+ {
+ myNode1 = node3;
+ myNodeInd1 = nodeInd3;
+ myDot1 = dot3;
+ }
+ else if ( dot3 == 0. )
+ {
+ SMDS_ElemIteratorPtr fIt = node3._node->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ if ( SetCutAtCorner( node3, fIt->next(), plnNorm, plnOrig ))
+ return true;
+ return false;
+ }
+ else if ( myDot2 == 0. )
+ {
+ SMESH_NodeXYZ node2 = myNode2; // copy as myNode2 changes in SetCutAtCorner()
+ SMDS_ElemIteratorPtr fIt = node2._node->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ if ( SetCutAtCorner( node2, fIt->next(), plnNorm, plnOrig ))
+ return true;
+ return false;
+ }
+
+ double r = Abs( myDot1 / ( myDot2 - myDot1 ));
+ AddPoint( myNode1 * ( 1 - r ) + myNode2 * r );
+
+ myAvoidSet.clear();
+ myAvoidSet.insert( myFace );
+ myFace = SMESH_MeshAlgos::FindFaceInSet( myNode1._node, myNode2._node,
+ myElemSet, myAvoidSet,
+ &myNodeInd1, &myNodeInd2 );
+ return myFace;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Compute a path between two points of PolySegment
+ */
+ struct PolyPathCompute
+ {
+ SMESH_MeshEditor::TListOfPolySegments& mySegments; //!< inout PolySegment's
+ std::vector< Path >& myPaths; //!< path of each of segments to compute
+ SMESH_Mesh* myMesh;
+ mutable std::vector< std::string > myErrors;
+
+ PolyPathCompute( SMESH_MeshEditor::TListOfPolySegments& theSegments,
+ std::vector< Path >& thePaths,
+ SMESH_Mesh* theMesh):
+ mySegments( theSegments ),
+ myPaths( thePaths ),
+ myMesh( theMesh ),
+ myErrors( theSegments.size() )
+ {
+ }
+#undef SMESH_CAUGHT
+#define SMESH_CAUGHT myErrors[i] =
+ void operator() ( const int i ) const
+ {
+ SMESH_TRY;
+ const_cast< PolyPathCompute* >( this )->Compute( i );
+ SMESH_CATCH( SMESH::returnError );
+ }
+#undef SMESH_CAUGHT
+ //================================================================================
+ /*!
+ * \brief Compute a path of a given segment
+ */
+ //================================================================================
+
+ void Compute( const int iSeg )
+ {
+ SMESH_MeshEditor::PolySegment& polySeg = mySegments[ iSeg ];
+
+ // get a cutting plane
+
+ gp_XYZ p1 = SMESH_NodeXYZ( polySeg.myNode1[0] );
+ gp_XYZ p2 = SMESH_NodeXYZ( polySeg.myNode1[1] );
+ if ( polySeg.myNode2[0] ) p1 = 0.5 * ( p1 + SMESH_NodeXYZ( polySeg.myNode2[0] ));
+ if ( polySeg.myNode2[1] ) p2 = 0.5 * ( p2 + SMESH_NodeXYZ( polySeg.myNode2[1] ));
+
+ gp_XYZ plnNorm = ( p1 - p2 ) ^ polySeg.myVector.XYZ();
+ gp_XYZ plnOrig = p2;
+
+ // find paths connecting the 2 end points of polySeg
+
+ std::vector< Path > paths; paths.reserve(10);
+
+ // initialize paths
+
+ for ( int iP = 0; iP < 2; ++iP ) // loop on the polySeg end points
+ {
+ Path path;
+ path.mySrcPntInd = iP;
+ size_t nbPaths = paths.size();
+
+ if ( polySeg.myNode2[ iP ] && polySeg.myNode2[ iP ] != polySeg.myNode1[ iP ] )
+ {
+ while (( path.myFace = SMESH_MeshAlgos::FindFaceInSet( polySeg.myNode1[ iP ],
+ polySeg.myNode2[ iP ],
+ path.myElemSet,
+ path.myAvoidSet,
+ &path.myNodeInd1,
+ &path.myNodeInd2 )))
+ {
+ path.myNode1.Set( polySeg.myNode1[ iP ]);
+ path.myNode2.Set( polySeg.myNode2[ iP ]);
+ path.myDot1 = plnNorm * ( path.myNode1 - plnOrig );
+ path.myDot2 = plnNorm * ( path.myNode2 - plnOrig );
+ path.myPoints.clear();
+ path.AddPoint( 0.5 * ( path.myNode1 + path.myNode2 ));
+ path.myAvoidSet.insert( path.myFace );
+ paths.push_back( path );
+ }
+ if ( nbPaths == paths.size() )
+ throw SALOME_Exception ( SMESH_Comment("No face edge found by point ") << iP+1
+ << " in a PolySegment " << iSeg );
+ }
+ else // an end point is at node
+ {
+ std::set<const SMDS_MeshNode* > nodes;
+ SMDS_ElemIteratorPtr fIt = polySeg.myNode1[ iP ]->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ {
+ path.myPoints.clear();
+ if ( path.SetCutAtCorner( polySeg.myNode1[ iP ], fIt->next(), plnNorm, plnOrig ))
+ {
+ if (( path.myDot1 * path.myDot2 != 0 ) ||
+ ( nodes.insert( path.myDot1 == 0 ? path.myNode1._node : path.myNode2._node ).second ))
+ paths.push_back( path );
+ }
+ }
+ }
+
+ // look for a one-segment path
+ for ( size_t i = 0; i < nbPaths; ++i )
+ for ( size_t j = nbPaths; j < paths.size(); ++j )
+ if ( paths[i].myFace == paths[j].myFace )
+ {
+ myPaths[ iSeg ].myPoints.push_back( paths[i].myPoints[0] );
+ myPaths[ iSeg ].myPoints.push_back( paths[j].myPoints[0] );
+ paths.clear();
+ }
+ }
+
+ // extend paths
+
+ myPaths[ iSeg ].myLength = 1e100;
+
+ while ( paths.size() >= 2 )
+ {
+ for ( size_t i = 0; i < paths.size(); ++i )
+ {
+ Path& path = paths[ i ];
+ if ( !path.Extend( plnNorm, plnOrig ) || // path reached a mesh boundary
+ path.myLength > myPaths[ iSeg ].myLength ) // path is longer than others
+ {
+ Path::Remove( paths, i );
+ continue;
+ }
+
+ // join paths that reach same point
+ for ( size_t j = 0; j < paths.size(); ++j )
+ {
+ if ( i != j && paths[i].ReachSamePoint( paths[j] ))
+ {
+ double distLast = ( paths[i].myPoints.back() - paths[j].myPoints.back() ).Modulus();
+ double fullLength = ( paths[i].myLength + paths[j].myLength + distLast );
+ if ( fullLength < myPaths[ iSeg ].myLength )
+ {
+ myPaths[ iSeg ].myLength = fullLength;
+ std::vector< gp_XYZ > & allPoints = myPaths[ iSeg ].myPoints;
+ allPoints.swap( paths[i].myPoints );
+ allPoints.insert( allPoints.end(),
+ paths[j].myPoints.rbegin(),
+ paths[j].myPoints.rend() );
+ }
+ Path::Remove( paths, i );
+ Path::Remove( paths, j );
+ }
+ }
+ }
+ if ( !paths.empty() && (int) paths[0].myPoints.size() > myMesh->NbFaces() )
+ throw SALOME_Exception(LOCALIZED( "Infinite loop in MakePolyLine()"));
+ }
+
+ if ( myPaths[ iSeg ].myPoints.empty() )
+ throw SALOME_Exception( SMESH_Comment("Can't find a full path for PolySegment #") << iSeg );
+
+ } // PolyPathCompute::Compute()
+
+ }; // struct PolyPathCompute
+
+} // namespace
+
+//=======================================================================
+//function : MakePolyLine
+//purpose : Create a polyline consisting of 1D mesh elements each lying on a 2D element of
+// the initial mesh
+//=======================================================================
+
+void SMESH_MeshEditor::MakePolyLine( TListOfPolySegments& theSegments,
+ SMESHDS_Group* theGroup,
+ SMESH_ElementSearcher* theSearcher)
+{
+ std::vector< Path > segPaths( theSegments.size() ); // path of each of segments
+
+ SMESH_ElementSearcher* searcher = theSearcher;
+ SMESHUtils::Deleter<SMESH_ElementSearcher> delSearcher;
+ if ( !searcher )
+ {
+ searcher = SMESH_MeshAlgos::GetElementSearcher( *GetMeshDS() );
+ delSearcher._obj = searcher;
+ }
+
+ // get cutting planes
+
+ std::vector< bool > isVectorOK( theSegments.size(), true );
+ const double planarCoef = 0.333; // plane height in planar case
+
+ for ( size_t iSeg = 0; iSeg < theSegments.size(); ++iSeg )
+ {
+ PolySegment& polySeg = theSegments[ iSeg ];
+
+ gp_XYZ p1 = SMESH_NodeXYZ( polySeg.myNode1[0] );
+ gp_XYZ p2 = SMESH_NodeXYZ( polySeg.myNode1[1] );
+ if ( polySeg.myNode2[0] ) p1 = 0.5 * ( p1 + SMESH_NodeXYZ( polySeg.myNode2[0] ));
+ if ( polySeg.myNode2[1] ) p2 = 0.5 * ( p2 + SMESH_NodeXYZ( polySeg.myNode2[1] ));
+
+ gp_XYZ plnNorm = ( p1 - p2 ) ^ polySeg.myVector.XYZ();
+
+ isVectorOK[ iSeg ] = ( plnNorm.Modulus() > std::numeric_limits<double>::min() );
+ if ( !isVectorOK[ iSeg ])
+ {
+ gp_XYZ pMid = 0.5 * ( p1 + p2 );
+ const SMDS_MeshElement* face;
+ polySeg.myMidProjPoint = searcher->Project( pMid, SMDSAbs_Face, &face );
+ polySeg.myVector = polySeg.myMidProjPoint.XYZ() - pMid;
+
+ gp_XYZ faceNorm;
+ SMESH_MeshAlgos::FaceNormal( face, faceNorm );
+
+ if ( polySeg.myVector.Magnitude() < Precision::Confusion() ||
+ polySeg.myVector * faceNorm < Precision::Confusion() )
+ {
+ polySeg.myVector = faceNorm;
+ polySeg.myMidProjPoint = pMid + faceNorm * ( p1 - p2 ).Modulus() * planarCoef;
+ }
+ }
+ else
+ {
+ polySeg.myVector = plnNorm ^ ( p1 - p2 );
+ }
+ }
+
+ // assure that inverse elements are constructed, avoid their concurrent building in threads
+ GetMeshDS()->nodesIterator()->next()->NbInverseElements();
+
+ // find paths
+
+ PolyPathCompute algo( theSegments, segPaths, myMesh );
+ OSD_Parallel::For( 0, theSegments.size(), algo, theSegments.size() == 1 );
+
+ for ( size_t iSeg = 0; iSeg < theSegments.size(); ++iSeg )
+ if ( !algo.myErrors[ iSeg ].empty() )
+ throw SALOME_Exception( algo.myErrors[ iSeg ].c_str() );
+
+ // create an 1D mesh
+
+ const SMDS_MeshNode *n, *nPrev = 0;
+ SMESHDS_Mesh* mesh = GetMeshDS();
+
+ for ( size_t iSeg = 0; iSeg < theSegments.size(); ++iSeg )
+ {
+ const Path& path = segPaths[iSeg];
+ if ( path.myPoints.size() < 2 )
+ continue;
+
+ double tol = path.myLength / path.myPoints.size() / 1000.;
+ if ( !nPrev || ( SMESH_NodeXYZ( nPrev ) - path.myPoints[0] ).SquareModulus() > tol*tol )
+ {
+ nPrev = mesh->AddNode( path.myPoints[0].X(), path.myPoints[0].Y(), path.myPoints[0].Z() );
+ myLastCreatedNodes.Append( nPrev );
+ }
+ for ( size_t iP = 1; iP < path.myPoints.size(); ++iP )
+ {
+ n = mesh->AddNode( path.myPoints[iP].X(), path.myPoints[iP].Y(), path.myPoints[iP].Z() );
+ myLastCreatedNodes.Append( n );
+
+ const SMDS_MeshElement* elem = mesh->AddEdge( nPrev, n );
+ myLastCreatedElems.Append( elem );
+ if ( theGroup )
+ theGroup->Add( elem );
+
+ nPrev = n;
+ }
+
+ // return a vector
+
+ gp_XYZ pMid = 0.5 * ( path.myPoints[0] + path.myPoints.back() );
+ if ( isVectorOK[ iSeg ])
+ {
+ // find the most distance point of a path
+ double maxDist = 0;
+ for ( size_t iP = 1; iP < path.myPoints.size(); ++iP )
+ {
+ double dist = Abs( theSegments[iSeg].myVector * ( path.myPoints[iP] - path.myPoints[0] ));
+ if ( dist > maxDist )
+ {
+ maxDist = dist;
+ theSegments[iSeg].myMidProjPoint = path.myPoints[iP];
+ }
+ }
+ if ( maxDist < Precision::Confusion() ) // planar case
+ theSegments[iSeg].myMidProjPoint =
+ pMid + theSegments[iSeg].myVector.XYZ().Normalized() * path.myLength * planarCoef;
+ }
+ theSegments[iSeg].myVector = gp_Vec( pMid, theSegments[iSeg].myMidProjPoint );
+ }
+
+ return;
+}
