-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "SMESH_Comment.hxx"
#include "SMESH_ComputeError.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_MeshAlgos.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <TopExp_Explorer.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_MapIteratorOfMapOfShape.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <set>
#include <vector>
+using namespace std;
#ifdef _DEBUG_
// #define DEB_FACES
// #define DEB_GRID
-// #define DUMP_VERT(msg,V) \
-// { TopoDS_Vertex v = V; gp_Pnt p = BRep_Tool::Pnt(v); \
-// cout << msg << "( "<< p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl;}
+// #define DUMP_VERT(msg,V) { TopoDS_Vertex v = V; gp_Pnt p = BRep_Tool::Pnt(v); cout << msg << "( "<< p.X()<<", "<<p.Y()<<", "<<p.Z()<<" )"<<endl; }
#endif
#ifndef DUMP_VERT
enum EBoxSides{ B_BOTTOM=0, B_RIGHT, B_TOP, B_LEFT, B_FRONT, B_BACK, B_UNDEFINED };
+enum EAxes{ COO_X=1, COO_Y, COO_Z };
+
//================================================================================
/*!
* \brief Convertor of a pair of integers to a sole index
const _FaceSide* GetSide(const int i) const;
int size() const { return myChildren.size(); }
int NbVertices() const;
+ int NbCommonVertices( const TopTools_MapOfShape& VV ) const;
TopoDS_Vertex FirstVertex() const;
TopoDS_Vertex LastVertex() const;
TopoDS_Vertex Vertex(int i) const;
public: //** Methods to find and orient faces of 6 sides of the box **//
//!< initialization
- bool Init(const TopoDS_Face& f);
+ bool Init(const TopoDS_Face& f, SMESH_Mesh& mesh );
//!< try to unite self with other face
- bool AddContinuousFace( const _QuadFaceGrid& f );
+ bool AddContinuousFace( const _QuadFaceGrid& f, const TopTools_MapOfShape& internalEdges );
//!< Try to set the side as bottom hirizontal side
bool SetBottomSide(const _FaceSide& side, int* sideIndex=0);
_QuadFaceGrid* FindAdjacentForSide(int i, list<_QuadFaceGrid>& faces, EBoxSides id) const;
//!< Reverse edges in order to have the bottom edge going along axes of the unit box
- void ReverseEdges(/*int e1, int e2*/);
+ void ReverseEdges();
bool IsComplex() const { return !myChildren.empty(); }
//!< Load nodes of a mesh
bool LoadGrid( SMESH_Mesh& mesh );
+ //!< Computes normalized parameters of nodes of myGrid
+ void ComputeIJK( int i1, int i2, double v3 );
+
//!< Return number of segments on the hirizontal sides
int GetNbHoriSegments(SMESH_Mesh& mesh, bool withBrothers=false) const;
//!< Return node coordinates by its position
gp_XYZ GetXYZ(int iHori, int iVert) const;
+ //!< Return normalized parameters of nodes within the unitary cube
+ gp_XYZ& GetIJK(int iCol, int iRow) { return myIJK[ myIndexer( iCol, iRow )]; }
+
public: //** Access to member fields **//
//!< Return i-th face side (0<i<4)
_QuadFaceGrid* myRightBrother;
_QuadFaceGrid* myUpBrother;
- _Indexer myIndexer;
+ _Indexer myIndexer;
vector<const SMDS_MeshNode*> myGrid;
+ vector<gp_XYZ> myIJK; // normalized parameters of nodes
SMESH_ComputeErrorPtr myError;
return true;
}
+namespace
+{
+
+ //================================================================================
+ /*!
+ * \brief Checks structure of a quadrangular mesh at the common VERTEX of two EDGEs.
+ * Returns true if there are two quadrangles near the VERTEX.
+ */
+ //================================================================================
+
+ bool isContinuousMesh(TopoDS_Edge E1,
+ TopoDS_Edge E2,
+ const TopoDS_Face& F,
+ const SMESH_Mesh& mesh)
+ {
+ if (E1.Orientation() > TopAbs_REVERSED) // INTERNAL
+ E1.Orientation( TopAbs_FORWARD );
+ if (E2.Orientation() > TopAbs_REVERSED) // INTERNAL
+ E2.Orientation( TopAbs_FORWARD );
+
+ TopoDS_Vertex V;
+ if ( !TopExp::CommonVertex( E1, E2, V )) return false;
+
+ const SMDS_MeshNode* n = SMESH_Algo::VertexNode( V, mesh.GetMeshDS() );
+ if ( !n ) return false;
+
+ SMESHDS_SubMesh* sm = mesh.GetSubMeshContaining( F )->GetSubMeshDS();
+ if ( !sm ) return false;
+
+ int nbQuads = 0;
+ SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ {
+ const SMDS_MeshElement* f = fIt->next();
+ if ( !sm->Contains( f )) continue;
+
+ if ( f->NbCornerNodes() == 4 )
+ ++nbQuads;
+ else
+ return false;
+ }
+ return nbQuads == 2;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Finds VERTEXes located at block corners
+ */
+ //================================================================================
+
+ void getBlockCorners( SMESH_Mesh& mesh,
+ const TopoDS_Shape& shape,
+ TopTools_MapOfShape& cornerVV)
+ {
+ set<int> faceIDs; // ids of FACEs in the shape
+ TopExp_Explorer exp;
+ for ( exp.Init( shape, TopAbs_FACE ); exp.More(); exp.Next() )
+ faceIDs.insert( mesh.GetMeshDS()->ShapeToIndex( exp.Current() ));
+
+ TopTools_MapOfShape checkedVV;
+ for ( exp.Init( shape, TopAbs_VERTEX ); exp.More(); exp.Next() )
+ {
+ TopoDS_Vertex V = TopoDS::Vertex( exp.Current() );
+ if ( !checkedVV.Add( V )) continue;
+
+ const SMDS_MeshNode* n = SMESH_Algo::VertexNode( V, mesh.GetMeshDS() );
+ if ( !n ) continue;
+
+ int nbQuads = 0;
+ SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() )
+ {
+ const SMDS_MeshElement* f = fIt->next();
+ if ( !faceIDs.count( f->getshapeId() )) continue;
+
+ if ( f->NbCornerNodes() == 4 )
+ ++nbQuads;
+ else
+ nbQuads = 100;
+ }
+ if ( nbQuads == 3 )
+ cornerVV.Add( V );
+ }
+ }
+
+ //================================================================================
+ /*!
+ * \brief Return EDGEs dividing one box side
+ */
+ //================================================================================
+
+ bool getInternalEdges( SMESH_Mesh& mesh,
+ const TopoDS_Shape& shape,
+ const TopTools_MapOfShape& cornerVV,
+ TopTools_MapOfShape& internEE)
+ {
+ TopTools_IndexedMapOfShape subEE;
+ TopExp::MapShapes( shape, TopAbs_EDGE, subEE );
+ //TopExp::MapShapes( shape, TopAbs_FACE, subFF );
+
+ TopoDS_Vertex VV[2];
+ TopTools_MapOfShape subChecked, ridgeEE;
+ TopTools_MapIteratorOfMapOfShape vIt( cornerVV );
+ for ( ; vIt.More(); vIt.Next() )
+ {
+ TopoDS_Shape V0 = vIt.Key();
+ // walk from one corner VERTEX to another along ridge EDGEs
+ PShapeIteratorPtr riIt = SMESH_MesherHelper::GetAncestors( V0, mesh, TopAbs_EDGE );
+ while ( const TopoDS_Shape* riE = riIt->next() )
+ {
+ if ( !subEE.Contains( *riE ) || !subChecked.Add( *riE ))
+ continue;
+ TopoDS_Edge ridgeE = TopoDS::Edge( *riE );
+ while ( !ridgeE.IsNull() )
+ {
+ if ( !ridgeEE.Add( ridgeE ))
+ break;
+ TopExp::Vertices( ridgeE, VV[0], VV[1] );
+ TopoDS_Shape V1 = VV[ V0.IsSame( VV[0] )];
+ if ( cornerVV.Contains( V1 ) )
+ break; // ridgeE reached a corner VERTEX
+
+ // detect internal EDGEs among those sharing V1. There can be 2, 3 or 4 EDGEs and
+ // number of internal EDGEs is N-2
+ TopoDS_Shape nextRidgeE;
+ PShapeIteratorPtr eIt = SMESH_MesherHelper::GetAncestors( V1, mesh, TopAbs_EDGE );
+ while ( const TopoDS_Shape* E = eIt->next() )
+ {
+ if ( E->IsSame( ridgeE ) || !subEE.Contains( *E ) || !subChecked.Add( *E ))
+ continue;
+ // look for FACEs sharing both E and ridgeE
+ PShapeIteratorPtr fIt = SMESH_MesherHelper::GetAncestors( *E, mesh, TopAbs_FACE );
+ while ( const TopoDS_Shape* F = fIt->next() )
+ {
+ if ( !SMESH_MesherHelper::IsSubShape( ridgeE, *F ))
+ continue;
+ if ( isContinuousMesh( ridgeE, TopoDS::Edge( *E ), TopoDS::Face( *F ), mesh ))
+ {
+ nextRidgeE = *E;
+ }
+ else
+ {
+ internEE.Add( *E );
+ }
+ break;
+ }
+ }
+ // look for the next ridge EDGE ending at V1
+ if ( nextRidgeE.IsNull() )
+ {
+ eIt = SMESH_MesherHelper::GetAncestors( V1, mesh, TopAbs_EDGE );
+ while ( const TopoDS_Shape* E = eIt->next() )
+ if ( !ridgeE.IsSame( *E ) && !internEE.Contains( *E ) && subEE.Contains( *E ))
+ {
+ nextRidgeE = *E;
+ break;
+ }
+ }
+ ridgeE = TopoDS::Edge( nextRidgeE );
+ V0 = V1;
+
+ if ( ridgeE.IsNull() )
+ return false;
+ } // check EDGEs around the last VERTEX of ridgeE
+ } // loop on ridge EDGEs around a corner VERTEX
+ } // loop on on corner VERTEXes
+
+ if ( subEE.Extent() > ridgeEE.Extent() + internEE.Extent() ) // PAL23269
+ for ( int i = 1; i < subEE.Extent(); ++i )
+ if ( !ridgeEE.Contains( subEE(i) ))
+ internEE.Add( subEE(i) );
+
+ return true;
+ } // getInternalEdges()
+} // namespace
+
//================================================================================
/*!
* \brief Tries to find 6 sides of a box
bool StdMeshers_CompositeHexa_3D::findBoxFaces( const TopoDS_Shape& shape,
list< _QuadFaceGrid >& boxFaces,
+ SMESH_Mesh& mesh,
_QuadFaceGrid * & fBottom,
_QuadFaceGrid * & fTop,
_QuadFaceGrid * & fFront,
_QuadFaceGrid * & fLeft,
_QuadFaceGrid * & fRight)
{
+ TopTools_MapOfShape cornerVertices;
+ getBlockCorners( mesh, shape, cornerVertices );
+ if ( cornerVertices.Extent() != 8 )
+ return error( COMPERR_BAD_INPUT_MESH, "Can't find 8 corners of a block by 2D mesh" );
+ TopTools_MapOfShape internalEdges;
+ if ( !getInternalEdges( mesh, shape, cornerVertices, internalEdges ))
+ return error( COMPERR_BAD_INPUT_MESH, "2D mesh is not suitable for i,j,k hexa meshing" );
+
list< _QuadFaceGrid >::iterator boxFace;
TopExp_Explorer exp;
int nbFaces = 0;
- for ( exp.Init( shape, TopAbs_FACE); exp.More(); exp.Next(), ++nbFaces )
+ for ( exp.Init( shape, TopAbs_FACE ); exp.More(); exp.Next(), ++nbFaces )
{
_QuadFaceGrid f;
- if ( !f.Init( TopoDS::Face( exp.Current() )))
+ if ( !f.Init( TopoDS::Face( exp.Current() ), mesh ))
return error (COMPERR_BAD_SHAPE);
- _QuadFaceGrid* prevContinuous = 0;
+ _QuadFaceGrid* prevContinuous = 0;
for ( boxFace = boxFaces.begin(); boxFace != boxFaces.end(); ++boxFace )
{
if ( prevContinuous )
{
- if ( prevContinuous->AddContinuousFace( *boxFace ))
+ if ( prevContinuous->AddContinuousFace( *boxFace, internalEdges ))
boxFace = --boxFaces.erase( boxFace );
}
- else if ( boxFace->AddContinuousFace( f ))
+ else if ( boxFace->AddContinuousFace( f, internalEdges ))
{
prevContinuous = & (*boxFace);
- }
+ }
}
if ( !prevContinuous )
boxFaces.push_back( f );
boxFaces.resize( 6 );
boxFace = boxFaces.begin();
for ( exp.Init( shape, TopAbs_FACE); exp.More(); exp.Next(), ++boxFace )
- boxFace->Init( TopoDS::Face( exp.Current() ) );
+ boxFace->Init( TopoDS::Face( exp.Current() ), mesh );
}
// ----------------------------------------
// Find out position of faces within a box
// -------------------------
list< _QuadFaceGrid > boxFaceContainer;
_QuadFaceGrid *fBottom, *fTop, *fFront, *fBack, *fLeft, *fRight;
- if ( ! findBoxFaces( theShape, boxFaceContainer,
+ if ( ! findBoxFaces( theShape, boxFaceContainer, theMesh,
fBottom, fTop, fFront, fBack, fLeft, fRight))
return false;
if ( !fRight ->LoadGrid( theMesh )) return error( fRight ->GetError() );
if ( !fTop ->LoadGrid( theMesh )) return error( fTop ->GetError() );
+ // compute normalized parameters of nodes on sides (PAL23189)
+ fBottom->ComputeIJK( COO_X, COO_Y, /*z=*/0. );
+ fBack ->ComputeIJK( COO_X, COO_Z, /*y=*/1. );
+ fLeft ->ComputeIJK( COO_Y, COO_Z, /*x=*/0. );
+ fFront ->ComputeIJK( COO_X, COO_Z, /*y=*/0. );
+ fRight ->ComputeIJK( COO_Y, COO_Z, /*x=*/1. );
+ fTop ->ComputeIJK( COO_X, COO_Y, /*z=*/1. );
+
int x, xSize = fBottom->GetNbHoriSegments(theMesh) + 1, X = xSize - 1;
int y, ySize = fBottom->GetNbVertSegments(theMesh) + 1, Y = ySize - 1;
int z, zSize = fFront ->GetNbVertSegments(theMesh) + 1, Z = zSize - 1;
pointsOnShapes[ SMESH_Block::ID_V011 ] = fTop->GetXYZ( 0, Y );
pointsOnShapes[ SMESH_Block::ID_V111 ] = fTop->GetXYZ( X, Y );
+ gp_XYZ params; // normalized parameters of an internal node within the unit box
+
for ( x = 1; x < xSize-1; ++x )
{
- gp_XYZ params; // normalized parameters of internal node within a unit box
- params.SetCoord( 1, x / double(X) );
+ const double rX = x / double(X);
for ( y = 1; y < ySize-1; ++y )
{
- params.SetCoord( 2, y / double(Y) );
+ const double rY = y / double(Y);
// column to fill during z loop
vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )];
// points projections on horizontal edges
pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = fTop ->GetXYZ( x, y );
for ( z = 1; z < zSize-1; ++z ) // z loop
{
- params.SetCoord( 3, z / double(Z) );
+ // compute normalized parameters of an internal node within the unit box
+ const double rZ = z / double(Z);
+ const gp_XYZ& pBo = fBottom->GetIJK( x, y );
+ const gp_XYZ& pTo = fTop ->GetIJK( x, y );
+ const gp_XYZ& pFr = fFront ->GetIJK( x, z );
+ const gp_XYZ& pBa = fBack ->GetIJK( x, z );
+ const gp_XYZ& pLe = fLeft ->GetIJK( y, z );
+ const gp_XYZ& pRi = fRight ->GetIJK( y, z );
+ params.SetCoord( 1, 0.5 * ( pBo.X() * ( 1. - rZ ) + pTo.X() * rZ +
+ pFr.X() * ( 1. - rY ) + pBa.X() * rY ));
+ params.SetCoord( 2, 0.5 * ( pBo.Y() * ( 1. - rZ ) + pTo.Y() * rZ +
+ pLe.Y() * ( 1. - rX ) + pRi.Y() * rX ));
+ params.SetCoord( 3, 0.5 * ( pFr.Z() * ( 1. - rY ) + pBa.Z() * rY +
+ pLe.Z() * ( 1. - rX ) + pRi.Z() * rX ));
+
// point projections on vertical edges
- pointsOnShapes[ SMESH_Block::ID_E00z ] = fFront->GetXYZ( 0, z );
- pointsOnShapes[ SMESH_Block::ID_E10z ] = fFront->GetXYZ( X, z );
- pointsOnShapes[ SMESH_Block::ID_E01z ] = fBack->GetXYZ( 0, z );
+ pointsOnShapes[ SMESH_Block::ID_E00z ] = fFront->GetXYZ( 0, z );
+ pointsOnShapes[ SMESH_Block::ID_E10z ] = fFront->GetXYZ( X, z );
+ pointsOnShapes[ SMESH_Block::ID_E01z ] = fBack->GetXYZ( 0, z );
pointsOnShapes[ SMESH_Block::ID_E11z ] = fBack->GetXYZ( X, z );
// point projections on vertical faces
- pointsOnShapes[ SMESH_Block::ID_Fx0z ] = fFront->GetXYZ( x, z );
+ pointsOnShapes[ SMESH_Block::ID_Fx0z ] = fFront->GetXYZ( x, z );
pointsOnShapes[ SMESH_Block::ID_Fx1z ] = fBack ->GetXYZ( x, z );
pointsOnShapes[ SMESH_Block::ID_F0yz ] = fLeft ->GetXYZ( y, z );
pointsOnShapes[ SMESH_Block::ID_F1yz ] = fRight->GetXYZ( y, z );
// -------------------------
list< _QuadFaceGrid > boxFaceContainer;
_QuadFaceGrid *fBottom, *fTop, *fFront, *fBack, *fLeft, *fRight;
- if ( ! findBoxFaces( theShape, boxFaceContainer,
+ if ( ! findBoxFaces( theShape, boxFaceContainer, theMesh,
fBottom, fTop, fFront, fBack, fLeft, fRight))
return false;
*/
//================================================================================
-bool _QuadFaceGrid::Init(const TopoDS_Face& f)
+bool _QuadFaceGrid::Init(const TopoDS_Face& f, SMESH_Mesh& mesh)
{
myFace = f;
mySides = _FaceSide();
else if ( SMESH_Algo::IsContinuous( sideEdges.front(), edges.back() )) {
sideEdges.splice( sideEdges.begin(), edges, --edges.end());
}
+ else if ( isContinuousMesh( sideEdges.back(), edges.front(), f, mesh )) {
+ sideEdges.splice( sideEdges.end(), edges, edges.begin());
+ }
+ else if ( isContinuousMesh( sideEdges.front(), edges.back(), f, mesh )) {
+ sideEdges.splice( sideEdges.begin(), edges, --edges.end());
+ }
else {
break;
}
*/
//================================================================================
-bool _QuadFaceGrid::AddContinuousFace( const _QuadFaceGrid& other )
+bool _QuadFaceGrid::AddContinuousFace( const _QuadFaceGrid& other,
+ const TopTools_MapOfShape& internalEdges)
{
for ( int i = 0; i < 4; ++i )
{
const _FaceSide& otherSide = other.GetSide( i );
int iMyCommon;
- if ( mySides.Contain( otherSide, &iMyCommon ) ) {
- // check if normals of two faces are collinear at all vertices of an otherSide
- const double angleTol = M_PI / 180. / 2.;
- int iV, nbV = otherSide.NbVertices(), nbCollinear = 0;
- for ( iV = 0; iV < nbV; ++iV )
+ if ( mySides.Contain( otherSide, &iMyCommon ))
+ {
+ if ( internalEdges.Contains( otherSide.Edge( 0 )))
{
- TopoDS_Vertex v = otherSide.Vertex( iV );
- gp_Vec n1, n2;
- if ( !GetNormal( v, n1 ) || !other.GetNormal( v, n2 ))
- continue;
- if ( n1 * n2 < 0 )
- n1.Reverse();
- if ( n1.Angle(n2) < angleTol )
- nbCollinear++;
- else
- break;
- }
- if ( nbCollinear > 1 ) { // this face becomes composite if not yet is
DUMP_VERT("Cont 1", mySides.GetSide(iMyCommon)->FirstVertex());
DUMP_VERT("Cont 2", mySides.GetSide(iMyCommon)->LastVertex());
DUMP_VERT("Cont 3", otherSide.FirstVertex());
DUMP_VERT("Cont 4", otherSide.LastVertex());
- if ( myChildren.empty() ) {
+
+ if ( myChildren.empty() )
+ {
myChildren.push_back( *this );
myFace.Nullify();
}
+ else // find iMyCommon in myChildren
+ {
+ for ( TChildIterator children = GetChildren(); children.more(); ) {
+ const _QuadFaceGrid& child = children.next();
+ if ( child.mySides.Contain( otherSide, &iMyCommon ))
+ break;
+ }
+ }
// orient new children equally
- int otherBottomIndex = ( 4 + i - iMyCommon + 2 ) % 4;
+ int otherBottomIndex = SMESH_MesherHelper::WrapIndex( i - iMyCommon + 2, 4 );
if ( other.IsComplex() )
for ( TChildIterator children = other.GetChildren(); children.more(); ) {
myChildren.push_back( children.next() );
if ( other.IsComplex() )
for ( TChildIterator children = other.GetChildren(); children.more(); )
{
- const _QuadFaceGrid& child = children.next();
+ const _QuadFaceGrid& child = children.next();
for ( int i = 0; i < 4; ++i )
mySides.AppendSide( child.GetSide(i) );
}
{
if ( childFace->SetBottomSide( bottom, &myBottomIndex ))
{
- TChildren::iterator orientedCild = childFace;
+ TChildren::iterator orientedChild = childFace;
for ( childFace = myChildren.begin(); childFace != childEnd; ++childFace ) {
- if ( childFace != orientedCild )
+ if ( childFace != orientedChild )
childFace->SetBottomSide( childFace->GetSide( myBottomIndex ));
}
if ( sideIndex )
*/
//================================================================================
-void _QuadFaceGrid::ReverseEdges(/*int e1, int e2*/)
+void _QuadFaceGrid::ReverseEdges()
{
myReverse = !myReverse;
if ( myChildren.empty() )
{
-// mySides.GetSide( e1 )->Reverse();
-// mySides.GetSide( e2 )->Reverse();
DumpVertices();
}
else
DumpVertices();
TChildren::iterator child = myChildren.begin(), childEnd = myChildren.end();
for ( ; child != childEnd; ++child )
- child->ReverseEdges( /*e1, e2*/ );
+ child->ReverseEdges();
}
}
// store the rest nodes row by row
- const SMDS_MeshNode* dummy = mesh.GetMeshDS()->AddNode(0,0,0);
- const SMDS_MeshElement* firstQuad = dummy; // most left face above the last row of found nodes
-
- int nbFoundNodes = myIndexer._xSize;
+ TIDSortedElemSet emptySet, avoidSet;
+ const SMDS_MeshElement* firstQuad = 0; // most left face above the last row of found nodes
+
+ size_t nbFoundNodes = myIndexer._xSize;
while ( nbFoundNodes != myGrid.size() )
{
// first and last nodes of the last filled row of nodes
// o---o o o o o
//n1down n2down
//
- TIDSortedElemSet emptySet, avoidSet;
- avoidSet.insert( firstQuad );
- firstQuad = SMESH_MeshEditor::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
+ firstQuad = SMESH_MeshAlgos::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
while ( firstQuad && !faceSubMesh->Contains( firstQuad )) {
avoidSet.insert( firstQuad );
- firstQuad = SMESH_MeshEditor::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
+ firstQuad = SMESH_MeshAlgos::FindFaceInSet( n1down, n2down, emptySet, avoidSet);
}
if ( !firstQuad || !faceSubMesh->Contains( firstQuad ))
return error(ERR_LI("Error in _QuadFaceGrid::LoadGrid()"));
{
// next face
avoidSet.clear(); avoidSet.insert( quad );
- quad = SMESH_MeshEditor::FindFaceInSet( n1down, n1up, emptySet, avoidSet );
+ quad = SMESH_MeshAlgos::FindFaceInSet( n1down, n1up, emptySet, avoidSet );
if ( !quad || quad->NbNodes() % 4 > 0)
return error(ERR_LI("Error in _QuadFaceGrid::LoadGrid()"));
n1down = myGrid[ nbFoundNodes - myIndexer._xSize - 1 ];
n1up = n2up;
}
+ avoidSet.clear(); avoidSet.insert( firstQuad );
}
- mesh.GetMeshDS()->RemoveNode(dummy);
DumpGrid(); // debug
return true;
}
+//================================================================================
+/*!
+ * \brief Fill myIJK with normalized parameters of nodes in myGrid
+ * \param [in] i1 - coordinate index along rows of myGrid
+ * \param [in] i2 - coordinate index along columns of myGrid
+ * \param [in] v3 - value of the constant parameter
+ */
+//================================================================================
+
+void _QuadFaceGrid::ComputeIJK( int i1, int i2, double v3 )
+{
+ gp_XYZ ijk( v3, v3, v3 );
+ myIJK.resize( myIndexer.size(), ijk );
+
+ const size_t nbCol = myIndexer._xSize;
+ const size_t nbRow = myIndexer._ySize;
+
+ vector< double > len( nbRow );
+ len[0] = 0;
+ for ( size_t i = 0; i < nbCol; ++i )
+ {
+ gp_Pnt pPrev = GetXYZ( i, 0 );
+ for ( size_t j = 1; j < nbRow; ++j )
+ {
+ gp_Pnt p = GetXYZ( i, j );
+ len[ j ] = len[ j-1 ] + p.Distance( pPrev );
+ pPrev = p;
+ }
+ for ( size_t j = 0; j < nbRow; ++j )
+ GetIJK( i, j ).SetCoord( i2, len[ j ]/len.back() );
+ }
+
+ len.resize( nbCol );
+ for ( size_t j = 0; j < nbRow; ++j )
+ {
+ gp_Pnt pPrev = GetXYZ( 0, j );
+ for ( size_t i = 1; i < nbCol; ++i )
+ {
+ gp_Pnt p = GetXYZ( i, j );
+ len[ i ] = len[ i-1 ] + p.Distance( pPrev );
+ pPrev = p;
+ }
+ for ( size_t i = 0; i < nbCol; ++i )
+ GetIJK( i, j ).SetCoord( i1, len[ i ]/len.back() );
+ }
+}
+
//================================================================================
/*!
* \brief Find out mutual location of children: find their right and up brothers
gp_XYZ _QuadFaceGrid::GetXYZ(int iHori, int iVert) const
{
- const SMDS_MeshNode* n = myGrid[ myIndexer( iHori, iVert )];
- return gp_XYZ( n->X(), n->Y(), n->Z() );
+ SMESH_TNodeXYZ xyz = myGrid[ myIndexer( iHori, iVert )];
+ return xyz;
}
//================================================================================
for ( ; edge != eEnd; ++edge ) {
myChildren.push_back( _FaceSide( *edge ));
myNbChildren++;
-// myVertices.insert( myChildren.back().myVertices.begin(),
-// myChildren.back().myVertices.end() );
myVertices.Add( myChildren.back().FirstVertex() );
myVertices.Add( myChildren.back().LastVertex() );
myChildren.back().SetID( Q_CHILD ); // not to splice them
//=======================================================================
//function : GetSide
-//purpose :
+//purpose :
//=======================================================================
_FaceSide* _FaceSide::GetSide(const int i)
return myNbChildren + 1;
}
+//=======================================================================
+//function : NbCommonVertices
+//purpose : Returns number of my vertices common with the given ones
+//=======================================================================
+
+int _FaceSide::NbCommonVertices( const TopTools_MapOfShape& VV ) const
+{
+ int nbCommon = 0;
+ TopTools_MapIteratorOfMapOfShape vIt ( myVertices );
+ for ( ; vIt.More(); vIt.Next() )
+ nbCommon += ( VV.Contains( vIt.Key() ));
+
+ return nbCommon;
+}
+
//=======================================================================
//function : FirstVertex
-//purpose :
+//purpose :
//=======================================================================
TopoDS_Vertex _FaceSide::FirstVertex() const
