-// File : SMESH_Pattern.cxx
-// Created : Thu Aug 5 11:09:29 2004
+// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// 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.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+
+// File : SMESH_Pattern.hxx
+// Created : Mon Aug 2 10:30:00 2004
// Author : Edward AGAPOV (eap)
-// Copyright : Open CASCADE
-
#include "SMESH_Pattern.hxx"
-#include <Bnd_Box2d.hxx>
#include <BRepTools.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <BRep_Tool.hxx>
+#include <Bnd_Box.hxx>
+#include <Bnd_Box2d.hxx>
+#include <ElSLib.hxx>
+#include <Extrema_GenExtPS.hxx>
+#include <Extrema_POnSurf.hxx>
#include <Geom2d_Curve.hxx>
+#include <GeomAdaptor_Surface.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
#include <IntAna2d_AnaIntersection.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
-#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
-#include <TopTools_ListIteratorOfListOfShape.hxx>
-#include <TopTools_ListOfShape.hxx>
+#include <gp_Ax2.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Trsf.hxx>
#include <gp_XY.hxx>
#include <gp_XYZ.hxx>
-#include <math_FunctionSetRoot.hxx>
-#include <math_FunctionSetWithDerivatives.hxx>
-#include <math_Matrix.hxx>
-#include <math_Vector.hxx>
-#include <Extrema_GenExtPS.hxx>
-#include <Extrema_POnSurf.hxx>
-#include <GeomAdaptor_Surface.hxx>
#include "SMDS_EdgePosition.hxx"
#include "SMDS_FacePosition.hxx"
#include "SMDS_MeshElement.hxx"
+#include "SMDS_MeshFace.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESHDS_SubMesh.hxx"
+#include "SMESH_Block.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_MeshEditor.hxx"
+#include "SMESH_subMesh.hxx"
#include "utilities.h"
typedef map< const SMDS_MeshElement*, int > TNodePointIDMap;
-#define SQRT_FUNC 1
-
//=======================================================================
//function : SMESH_Pattern
//purpose :
template<typename T> void sortBySize( list< list < T > > & theListOfList )
{
if ( theListOfList.size() > 2 ) {
- // keep the car
- //list < T > & aFront = theListOfList.front();
- // sort the whole list
TSizeCmp< T > SizeCmp;
theListOfList.sort( SizeCmp );
}
if ( nIdIt == nodePointIDMap.end() )
{
elemPoints.push_back( iPoint );
- nodePointIDMap.insert( TNodePointIDMap::value_type( node, iPoint++ ));
+ nodePointIDMap.insert( make_pair( node, iPoint++ ));
}
else
elemPoints.push_back( (*nIdIt).second );
myKeyPointIDs.push_back( iPoint );
SMDS_NodeIteratorPtr nIt = vSubMesh->GetNodes();
const SMDS_MeshNode* node = nIt->next();
- nodePointIDMap.insert( TNodePointIDMap::value_type( node, iPoint ));
+ nodePointIDMap.insert( make_pair( node, iPoint ));
TPoint* keyPoint = &myPoints[ iPoint++ ];
vPoint.push_back( keyPoint );
TPoint* p = & myPoints[ iPoint ];
ePoints.push_back( p );
const SMDS_MeshNode* node = isForward ? (*unIt).second : (*unRIt).second;
- nodePointIDMap.insert ( TNodePointIDMap::value_type( node, iPoint ));
+ nodePointIDMap.insert ( make_pair( node, iPoint ));
if ( theProject )
p->myInitUV = project( node, projector );
myKeyPointIDs.push_back( iPoint );
SMDS_NodeIteratorPtr nIt = vSubMesh->GetNodes();
const SMDS_MeshNode* node = nIt->next();
- nodePointIDMap.insert( TNodePointIDMap::value_type( node, iPoint ));
+ nodePointIDMap.insert( make_pair( node, iPoint ));
TPoint* keyPoint = &myPoints[ iPoint++ ];
vPoint2.push_back( keyPoint );
{
const SMDS_MeshNode* node =
static_cast<const SMDS_MeshNode*>( nIt->next() );
- nodePointIDMap.insert( TNodePointIDMap::value_type( node, iPoint ));
+ nodePointIDMap.insert( make_pair( node, iPoint ));
TPoint* p = &myPoints[ iPoint++ ];
fPoints.push_back( p );
if ( theProject )
}
int nbVertices = myShapeIDMap.Extent();
- //int nbSeamShapes = 0; // count twice seam edge and its vertices
for ( elIt = eList.begin(); elIt != eList.end(); elIt++ )
myShapeIDMap.Add( *elIt );
return setErrorCode( ERR_OK );
}
-// =========================================================
-// class calculating coordinates of 3D points by normalized
-// parameters inside the block and vice versa
-// =========================================================
+//=======================================================================
+//function : Apply
+//purpose : Compute nodes coordinates applying
+// the loaded pattern to <theFace>. The first key-point
+// will be mapped into <theNodeIndexOnKeyPoint1>-th node
+//=======================================================================
-class TBlock: public math_FunctionSetWithDerivatives
+bool SMESH_Pattern::Apply (const SMDS_MeshFace* theFace,
+ const int theNodeIndexOnKeyPoint1,
+ const bool theReverse)
{
- public:
- enum TBlockShapeID { // ids of the block sub-shapes
- ID_V000 = 1, ID_V100, ID_V010, ID_V110, ID_V001, ID_V101, ID_V011, ID_V111,
-
- ID_Ex00, ID_Ex10, ID_Ex01, ID_Ex11,
- ID_E0y0, ID_E1y0, ID_E0y1, ID_E1y1,
- ID_E00z, ID_E10z, ID_E01z, ID_E11z,
-
- ID_Fxy0, ID_Fxy1, ID_Fx0z, ID_Fx1z, ID_F0yz, ID_F1yz,
-
- ID_Shell
- };
- static inline
-bool IsVertexID( int theShapeID )
- { return ( theShapeID >= ID_V000 && theShapeID <= ID_V111 ); }
- static inline bool IsEdgeID( int theShapeID )
- { return ( theShapeID >= ID_Ex00 && theShapeID <= ID_E11z ); }
- static inline bool IsFaceID( int theShapeID )
- { return ( theShapeID >= ID_Fxy0 && theShapeID <= ID_F1yz ); }
-
-
- TBlock (const TopoDS_Shell& theBlock):
- myShell( theBlock ), myNbIterations(0), mySumDist(0.) {}
-
- bool LoadBlockShapes(const TopoDS_Vertex& theVertex000,
- const TopoDS_Vertex& theVertex001,
-// TopTools_IndexedMapOfShape& theShapeIDMap
- TopTools_IndexedMapOfOrientedShape& theShapeIDMap );
- // add sub-shapes of theBlock to theShapeIDMap so that they get
- // IDs acoording to enum TBlockShapeID
-
- static int GetShapeIDByParams ( const gp_XYZ& theParams );
- // define an id of the block sub-shape by point parameters
-
- bool VertexPoint( const int theVertexID, gp_XYZ& thePoint ) const {
- if ( !IsVertexID( theVertexID )) return false;
- thePoint = myPnt[ theVertexID - ID_V000 ]; return true;
+ MESSAGE(" ::Apply(MeshFace) " );
+
+ if ( !IsLoaded() ) {
+ MESSAGE( "Pattern not loaded" );
+ return setErrorCode( ERR_APPL_NOT_LOADED );
}
- // return vertex coordinates
- bool EdgePoint( const int theEdgeID, const gp_XYZ& theParams, gp_XYZ& thePoint ) const {
- if ( !IsEdgeID( theEdgeID )) return false;
- thePoint = myEdge[ theEdgeID - ID_Ex00 ].Point( theParams ); return true;
+ // check nb of nodes
+ if (theFace->NbNodes() != myNbKeyPntInBoundary.front() ) {
+ MESSAGE( myKeyPointIDs.size() << " != " << theFace->NbNodes() );
+ return setErrorCode( ERR_APPL_BAD_NB_VERTICES );
+ }
+
+ // find points on edges, it fills myNbKeyPntInBoundary
+ if ( !findBoundaryPoints() )
+ return false;
+
+ // check that there are no holes in a pattern
+ if (myNbKeyPntInBoundary.size() > 1 ) {
+ return setErrorCode( ERR_APPL_BAD_NB_VERTICES );
}
- // return coordinates of a point on edge
- bool FacePoint( const int theFaceID, const gp_XYZ& theParams, gp_XYZ& thePoint ) const {
- if ( !IsFaceID ( theFaceID )) return false;
- thePoint = myFace[ theFaceID - ID_Fxy0 ].Point( theParams ); return true;
+ // Define the nodes order
+
+ list< const SMDS_MeshNode* > nodes;
+ list< const SMDS_MeshNode* >::iterator n = nodes.end();
+ SMDS_ElemIteratorPtr noIt = theFace->nodesIterator();
+ int iSub = 0;
+ while ( noIt->more() ) {
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( noIt->next() );
+ nodes.push_back( node );
+ if ( iSub++ == theNodeIndexOnKeyPoint1 )
+ n = --nodes.end();
+ }
+ if ( n != nodes.end() ) {
+ if ( theReverse ) {
+ if ( n != --nodes.end() )
+ nodes.splice( nodes.begin(), nodes, ++n, nodes.end() );
+ nodes.reverse();
+ }
+ else if ( n != nodes.begin() )
+ nodes.splice( nodes.end(), nodes, nodes.begin(), n );
}
- // return coordinates of a point on face
-
- bool ShellPoint( const gp_XYZ& theParams, gp_XYZ& thePoint ) const;
- // return coordinates of a point in shell
-
- bool ComputeParameters (const gp_Pnt& thePoint,
- gp_XYZ& theParams,
- const int theShapeID = ID_Shell);
- // compute point parameters in the block
-
- static void GetFaceEdgesIDs (const int faceID, vector< int >& edgeVec );
- // return edges IDs of a face in the order u0, u1, 0v, 1v
-
- static int GetCoordIndOnEdge (const int theEdgeID)
- { return (theEdgeID < ID_E0y0) ? 1 : (theEdgeID < ID_E00z) ? 2 : 3; }
- // return an index of a coordinate which varies along the edge
-
- static double* GetShapeCoef (const int theShapeID);
- // for theShapeID( TBlockShapeID ), returns 3 coefficients used
- // to compute an addition of an on-theShape point to coordinates
- // of an in-shell point. If an in-shell point has parameters (Px,Py,Pz),
- // then the addition of a point P is computed as P*kx*ky*kz and ki is
- // defined by the returned coef like this:
- // ki = (coef[i] == 0) ? 1 : (coef[i] < 0) ? 1 - Pi : Pi
-
- static bool IsForwardEdge (const TopoDS_Edge & theEdge,
- //TopTools_IndexedMapOfShape& theShapeIDMap
- TopTools_IndexedMapOfOrientedShape& theShapeIDMap) {
- int v1ID = theShapeIDMap.FindIndex( TopExp::FirstVertex( theEdge ).Oriented( TopAbs_FORWARD ));
- int v2ID = theShapeIDMap.FindIndex( TopExp::LastVertex( theEdge ).Oriented( TopAbs_FORWARD ));
- return ( v1ID < v2ID );
+ list< gp_XYZ > xyzList;
+ myOrderedNodes.resize( theFace->NbNodes() );
+ for ( iSub = 0, n = nodes.begin(); n != nodes.end(); ++n ) {
+ xyzList.push_back( gp_XYZ( (*n)->X(), (*n)->Y(), (*n)->Z() ));
+ myOrderedNodes[ iSub++] = *n;
}
- // Return true if an in-block parameter increases along theEdge curve
-
- static void Swap(double& a, double& b) { double tmp = a; a = b; b = tmp; }
-
- // methods of math_FunctionSetWithDerivatives
- Standard_Integer NbVariables() const;
- Standard_Integer NbEquations() const;
- Standard_Boolean Value(const math_Vector& X,math_Vector& F) ;
- Standard_Boolean Derivatives(const math_Vector& X,math_Matrix& D) ;
- Standard_Boolean Values(const math_Vector& X,math_Vector& F,math_Matrix& D) ;
- Standard_Integer GetStateNumber ();
-
- static ostream& DumpShapeID (const int theBlockShapeID, ostream& stream);
- // DEBUG: dump an id of a block sub-shape
-
- private:
-
- struct TEdge {
- int myCoordInd;
- double myFirst;
- double myLast;
- Handle(Geom_Curve) myC3d;
- gp_Trsf myTrsf;
- double GetU( const gp_XYZ& theParams ) const;
- gp_XYZ Point( const gp_XYZ& theParams ) const;
- };
-
- struct TFace {
- // 4 edges in the order u0, u1, 0v, 1v
- int myCoordInd[ 4 ];
- double myFirst [ 4 ];
- double myLast [ 4 ];
- Handle(Geom2d_Curve) myC2d [ 4 ];
- // 4 corner points in the order 00, 10, 11, 01
- gp_XY myCorner [ 4 ];
- // surface
- Handle(Geom_Surface) myS;
- gp_Trsf myTrsf;
- gp_XY GetUV( const gp_XYZ& theParams ) const;
- gp_XYZ Point( const gp_XYZ& theParams ) const;
- int GetUInd() const { return myCoordInd[ 0 ]; }
- int GetVInd() const { return myCoordInd[ 2 ]; }
- };
-
- TopoDS_Shell myShell;
- // geometry:
- // 8 vertices
- gp_XYZ myPnt[ 8 ];
- // 12 edges
- TEdge myEdge[ 12 ];
- // 6 faces
- TFace myFace[ 6 ];
-
- // for param computation
-
- int myFaceIndex;
- double myFaceParam;
- int myNbIterations;
- double mySumDist;
-
- gp_XYZ myPoint; // the given point
- gp_XYZ myParam; // the best parameters guess
- double myValues[ 4 ]; // values computed at myParam
-
- typedef pair<gp_XYZ,gp_XYZ> TxyzPair;
- TxyzPair my3x3x3GridNodes[ 27 ];
- bool myGridComputed;
-};
+
+ // Define a face plane
+
+ list< gp_XYZ >::iterator xyzIt = xyzList.begin();
+ gp_Pnt P ( *xyzIt++ );
+ gp_Vec Vx( P, *xyzIt++ ), N;
+ do {
+ N = Vx ^ gp_Vec( P, *xyzIt++ );
+ } while ( N.SquareMagnitude() <= DBL_MIN && xyzIt != xyzList.end() );
+ if ( N.SquareMagnitude() <= DBL_MIN )
+ return setErrorCode( ERR_APPLF_BAD_FACE_GEOM );
+ gp_Ax2 pos( P, N, Vx );
+
+ // Compute UV of key-points on a plane
+ for ( xyzIt = xyzList.begin(), iSub = 1; xyzIt != xyzList.end(); xyzIt++, iSub++ )
+ {
+ gp_Vec vec ( pos.Location(), *xyzIt );
+ TPoint* p = getShapePoints( iSub ).front();
+ p->myUV.SetX( vec * pos.XDirection() );
+ p->myUV.SetY( vec * pos.YDirection() );
+ p->myXYZ = *xyzIt;
+ }
+
+ // points on edges to be used for UV computation of in-face points
+ list< list< TPoint* > > edgesPointsList;
+ edgesPointsList.push_back( list< TPoint* >() );
+ list< TPoint* > * edgesPoints = & edgesPointsList.back();
+ list< TPoint* >::iterator pIt;
+
+ // compute UV and XYZ of points on edges
+
+ for ( xyzIt = xyzList.begin(); xyzIt != xyzList.end(); iSub++ )
+ {
+ gp_XYZ& xyz1 = *xyzIt++;
+ gp_XYZ& xyz2 = ( xyzIt != xyzList.end() ) ? *xyzIt : xyzList.front();
+
+ list< TPoint* > & ePoints = getShapePoints( iSub );
+ ePoints.back()->myInitU = 1.0;
+ list< TPoint* >::const_iterator pIt = ++ePoints.begin();
+ while ( *pIt != ePoints.back() )
+ {
+ TPoint* p = *pIt++;
+ p->myXYZ = xyz1 * ( 1 - p->myInitU ) + xyz2 * p->myInitU;
+ gp_Vec vec ( pos.Location(), p->myXYZ );
+ p->myUV.SetX( vec * pos.XDirection() );
+ p->myUV.SetY( vec * pos.YDirection() );
+ }
+ // collect on-edge points (excluding the last one)
+ edgesPoints->insert( edgesPoints->end(), ePoints.begin(), --ePoints.end());
+ }
+
+ // Compute UV and XYZ of in-face points
+
+ // try to use a simple algo to compute UV
+ list< TPoint* > & fPoints = getShapePoints( iSub );
+ bool isDeformed = false;
+ for ( pIt = fPoints.begin(); !isDeformed && pIt != fPoints.end(); pIt++ )
+ if ( !compUVByIsoIntersection( edgesPointsList, (*pIt)->myInitUV,
+ (*pIt)->myUV, isDeformed )) {
+ MESSAGE("cant Apply(face)");
+ return false;
+ }
+ // try to use a complex algo if it is a difficult case
+ if ( isDeformed && !compUVByElasticIsolines( edgesPointsList, fPoints ))
+ {
+ for ( ; pIt != fPoints.end(); pIt++ ) // continue with the simple algo
+ if ( !compUVByIsoIntersection( edgesPointsList, (*pIt)->myInitUV,
+ (*pIt)->myUV, isDeformed )) {
+ MESSAGE("cant Apply(face)");
+ return false;
+ }
+ }
+
+ for ( pIt = fPoints.begin(); pIt != fPoints.end(); pIt++ )
+ {
+ (*pIt)->myXYZ = ElSLib::PlaneValue( (*pIt)->myUV.X(), (*pIt)->myUV.Y(), pos );
+ }
+
+ myIsComputed = true;
+
+ return setErrorCode( ERR_OK );
+}
+
+//=======================================================================
+//function : undefinedXYZ
+//purpose :
+//=======================================================================
+
+static const gp_XYZ& undefinedXYZ()
+{
+ static gp_XYZ xyz( 1.e100, 0., 0. );
+ return xyz;
+}
+
+//=======================================================================
+//function : isDefined
+//purpose :
+//=======================================================================
+
+inline static bool isDefined(const gp_XYZ& theXYZ)
+{
+ return theXYZ.X() < 1.e100;
+}
+
+//=======================================================================
+//function : mergePoints
+//purpose : Look for coincident points between myXYZs indexed with
+// list<int> of each element of xyzIndGroups. Coincident indices
+// are merged in myElemXYZIDs.
+//=======================================================================
+
+void SMESH_Pattern::mergePoints (map<TNodeSet, list<list<int> > >& indGroups,
+ map< int, list< list< int >* > > & reverseConnectivity)
+{
+ map< TNodeSet, list< list< int > > >::iterator indListIt;
+ for ( indListIt = indGroups.begin(); indListIt != indGroups.end(); indListIt++ )
+ {
+ list<list< int > > groups = indListIt->second;
+ if ( groups.size() < 2 )
+ continue;
+
+// const TNodeSet & nodes = indListIt->first;
+// TNodeSet::const_iterator n = nodes.begin();
+// for ( ; n != nodes.end(); n++ )
+// cout << *n ;
+
+ // find tolerance
+ Bnd_Box box;
+ list< int >& indices = groups.front();
+ list< int >::iterator ind, ind1, ind2;
+ for ( ind = indices.begin(); ind != indices.end(); ind++ )
+ box.Add( gp_Pnt( myXYZ[ *ind ]));
+ double x, y, z, X, Y, Z;
+ box.Get( x, y, z, X, Y, Z );
+ gp_Pnt p( x, y, z ), P( X, Y, Z );
+ double tol2 = 1.e-4 * p.SquareDistance( P );
+
+ // compare points, replace indices
+
+ list< list< int > >::iterator grpIt1, grpIt2;
+ for ( grpIt1 = groups.begin(); grpIt1 != groups.end(); grpIt1++ )
+ {
+ list< int >& indices1 = *grpIt1;
+ grpIt2 = grpIt1;
+ for ( grpIt2++; grpIt2 != groups.end(); grpIt2++ )
+ {
+ list< int >& indices2 = *grpIt2;
+ for ( ind1 = indices1.begin(); ind1 != indices1.end(); ind1++ )
+ {
+ gp_XYZ& p1 = myXYZ[ *ind1 ];
+ ind2 = indices2.begin();
+ while ( ind2 != indices2.end() )
+ {
+ gp_XYZ& p2 = myXYZ[ *ind2 ];
+ //MESSAGE("COMP: " << *ind1 << " " << *ind2 << " X: " << p2.X() << " tol2: " << tol2);
+ if ( ( p1 - p2 ).SquareModulus() <= tol2 )
+ {
+ ASSERT( reverseConnectivity.find( *ind2 ) != reverseConnectivity.end() );
+ list< list< int >* > & elemXYZIDsList = reverseConnectivity[ *ind2 ];
+ list< list< int >* >::iterator elemXYZIDs = elemXYZIDsList.begin();
+ for ( ; elemXYZIDs != elemXYZIDsList.end(); elemXYZIDs++ )
+ {
+ ind = find( (*elemXYZIDs)->begin(), (*elemXYZIDs)->end(), *ind2 );
+ //MESSAGE( " Replace " << *ind << " with " << *ind1 );
+ myXYZ[ *ind ] = undefinedXYZ();
+ *ind = *ind1;
+ }
+ ind2 = indices2.erase( ind2 );
+ }
+ else
+ ind2++;
+ }
+ }
+ }
+ }
+ }
+}
+
+//=======================================================================
+//function : Apply
+//purpose : Compute nodes coordinates applying
+// the loaded pattern to <theFaces>. The first key-point
+// will be mapped into <theNodeIndexOnKeyPoint1>-th node
+//=======================================================================
+
+bool SMESH_Pattern::Apply (std::set<const SMDS_MeshFace*> theFaces,
+ const int theNodeIndexOnKeyPoint1,
+ const bool theReverse)
+{
+ MESSAGE(" ::Apply(set<MeshFace>) " );
+
+ if ( !IsLoaded() ) {
+ MESSAGE( "Pattern not loaded" );
+ return setErrorCode( ERR_APPL_NOT_LOADED );
+ }
+
+ // find points on edges, it fills myNbKeyPntInBoundary
+ if ( !findBoundaryPoints() )
+ return false;
+
+ // check that there are no holes in a pattern
+ if (myNbKeyPntInBoundary.size() > 1 ) {
+ return setErrorCode( ERR_APPL_BAD_NB_VERTICES );
+ }
+
+ myXYZ.clear();
+ myElemXYZIDs.clear();
+ myXYZIdToNodeMap.clear();
+ myElements.clear();
+
+ myXYZ.resize( myPoints.size() * theFaces.size(), undefinedXYZ() );
+ myElements.reserve( theFaces.size() );
+
+ // to find point index
+ map< TPoint*, int > pointIndex;
+ for ( int i = 0; i < myPoints.size(); i++ )
+ pointIndex.insert( make_pair( & myPoints[ i ], i ));
+
+ // to merge nodes on edges of the elements being refined
+ typedef set<const SMDS_MeshNode*> TLink;
+ map< TLink, list< list< int > > > linkPointIndListMap;
+ map< int, list< list< int >* > > reverseConnectivity;
+
+ int ind1 = 0; // lowest point index for a face
+
+ // apply to each face in theFaces set
+ set<const SMDS_MeshFace*>::iterator face = theFaces.begin();
+ for ( ; face != theFaces.end(); ++face )
+ {
+ if ( !Apply( *face, theNodeIndexOnKeyPoint1, theReverse )) {
+ MESSAGE( "Failed on " << *face );
+ continue;
+ }
+ myElements.push_back( *face );
+
+ // store computed points belonging to elements
+ list< list< int > >::iterator ll = myElemPointIDs.begin();
+ for ( ; ll != myElemPointIDs.end(); ++ll )
+ {
+ myElemXYZIDs.push_back();
+ list< int >& xyzIds = myElemXYZIDs.back();
+ list< int >& pIds = *ll;
+ for ( list<int>::iterator id = pIds.begin(); id != pIds.end(); id++ ) {
+ int pIndex = *id + ind1;
+ xyzIds.push_back( pIndex );
+ myXYZ[ pIndex ] = myPoints[ *id ].myXYZ.XYZ();
+ reverseConnectivity[ pIndex ].push_back( & xyzIds );
+ }
+ }
+ // put points on links to linkPointIndListMap
+ int nbNodes = (*face)->NbNodes(), eID = nbNodes + 1;
+ for ( int i = 0; i < nbNodes; i++ )
+ {
+ const SMDS_MeshNode* n1 = myOrderedNodes[ i ];
+ const SMDS_MeshNode* n2 = myOrderedNodes[ i + 1 == nbNodes ? 0 : i + 1 ];
+ // make a link of node pointers
+ TLink link;
+ link.insert( n1 );
+ link.insert( n2 );
+ // add the link to the map
+ list< list< int > >& groups = linkPointIndListMap[ link ];
+ groups.push_back();
+ list< int >& indList = groups.back();
+ list< TPoint* > & linkPoints = getShapePoints( eID++ );
+ list< TPoint* >::iterator p = linkPoints.begin();
+ // map the first link point to n1
+ myXYZIdToNodeMap[ pointIndex[ *p ] + ind1 ] = n1;
+ // add points to the map excluding the end points
+ for ( p++; *p != linkPoints.back(); p++ )
+ indList.push_back( pointIndex[ *p ] + ind1 );
+ }
+ ind1 += myPoints.size();
+ }
+
+ mergePoints( linkPointIndListMap, reverseConnectivity );
+
+ return !myElemXYZIDs.empty();
+}
+
+//=======================================================================
+//function : Apply
+//purpose : Compute nodes coordinates applying
+// the loaded pattern to <theVolumes>. The (0,0,0) key-point
+// will be mapped into <theNode000Index>-th node. The
+// (0,0,1) key-point will be mapped into <theNode000Index>-th
+// node.
+//=======================================================================
+
+bool SMESH_Pattern::Apply (std::set<const SMDS_MeshVolume*> theVolumes,
+ const int theNode000Index,
+ const int theNode001Index)
+{
+ MESSAGE(" ::Apply(set<MeshVolumes>) " );
+
+ if ( !IsLoaded() ) {
+ MESSAGE( "Pattern not loaded" );
+ return setErrorCode( ERR_APPL_NOT_LOADED );
+ }
+
+ // bind ID to points
+ if ( !findBoundaryPoints() )
+ return false;
+
+ // check that there are no holes in a pattern
+ if (myNbKeyPntInBoundary.size() > 1 ) {
+ return setErrorCode( ERR_APPL_BAD_NB_VERTICES );
+ }
+
+ myXYZ.clear();
+ myElemXYZIDs.clear();
+ myXYZIdToNodeMap.clear();
+ myElements.clear();
+
+ myXYZ.resize( myPoints.size() * theVolumes.size(), undefinedXYZ() );
+ myElements.reserve( theVolumes.size() );
+
+ // to find point index
+ map< TPoint*, int > pointIndex;
+ for ( int i = 0; i < myPoints.size(); i++ )
+ pointIndex.insert( make_pair( & myPoints[ i ], i ));
+
+ // to merge nodes on edges and faces of the elements being refined
+ map< TNodeSet, list< list< int > > > subPointIndListMap;
+ map< int, list< list< int >* > > reverseConnectivity;
+
+ int ind1 = 0; // lowest point index for an element
+
+ // apply to each element in theVolumes set
+ set<const SMDS_MeshVolume*>::iterator vol = theVolumes.begin();
+ for ( ; vol != theVolumes.end(); ++vol )
+ {
+ if ( !Apply( *vol, theNode000Index, theNode001Index )) {
+ MESSAGE( "Failed on " << *vol );
+ continue;
+ }
+ myElements.push_back( *vol );
+
+ // store computed points belonging to elements
+ list< list< int > >::iterator ll = myElemPointIDs.begin();
+ for ( ; ll != myElemPointIDs.end(); ++ll )
+ {
+ myElemXYZIDs.push_back();
+ list< int >& xyzIds = myElemXYZIDs.back();
+ list< int >& pIds = *ll;
+ for ( list<int>::iterator id = pIds.begin(); id != pIds.end(); id++ ) {
+ int pIndex = *id + ind1;
+ xyzIds.push_back( pIndex );
+ myXYZ[ pIndex ] = myPoints[ *id ].myXYZ.XYZ();
+ reverseConnectivity[ pIndex ].push_back( & xyzIds );
+ }
+ }
+ // put points on edges and faces to subPointIndListMap
+ for ( int Id = SMESH_Block::ID_V000; Id <= SMESH_Block::ID_F1yz; Id++ )
+ {
+ // make a set of sub-points
+ TNodeSet subNodes;
+ vector< int > subIDs;
+ if ( SMESH_Block::IsVertexID( Id )) {
+ // use nodes of refined volumes for merge
+ }
+ else if ( SMESH_Block::IsEdgeID( Id )) {
+ SMESH_Block::GetEdgeVertexIDs( Id, subIDs );
+ subNodes.insert( myOrderedNodes[ subIDs.front() - 1 ]);
+ subNodes.insert( myOrderedNodes[ subIDs.back() - 1 ]);
+ }
+ else {
+ SMESH_Block::GetFaceEdgesIDs( Id, subIDs );
+ int e1 = subIDs[ 0 ], e2 = subIDs[ 1 ];
+ SMESH_Block::GetEdgeVertexIDs( e1, subIDs );
+ subNodes.insert( myOrderedNodes[ subIDs.front() - 1 ]);
+ subNodes.insert( myOrderedNodes[ subIDs.back() - 1 ]);
+ SMESH_Block::GetEdgeVertexIDs( e2, subIDs );
+ subNodes.insert( myOrderedNodes[ subIDs.front() - 1 ]);
+ subNodes.insert( myOrderedNodes[ subIDs.back() - 1 ]);
+ }
+ list< list< int > >& groups = subPointIndListMap[ subNodes ];
+ groups.push_back();
+ list< int >& indList = groups.back();
+ // add points
+ list< TPoint* > & points = getShapePoints( Id );
+ list< TPoint* >::iterator p = points.begin();
+ if ( subNodes.empty() ) // vertex case
+ myXYZIdToNodeMap[ pointIndex[ *p ] + ind1 ] = myOrderedNodes[ Id - 1 ];
+ else
+ for ( ; p != points.end(); p++ )
+ indList.push_back( pointIndex[ *p ] + ind1 );
+ }
+ ind1 += myPoints.size();
+ }
+
+ mergePoints( subPointIndListMap, reverseConnectivity );
+
+ return !myElemXYZIDs.empty();
+}
//=======================================================================
//function : Load
SMESHDS_Mesh * aMeshDS = theMesh->GetMeshDS();
// load shapes in myShapeIDMap
- TBlock block( theBlock );
+ SMESH_Block block;
TopoDS_Vertex v1, v2;
- if ( !block.LoadBlockShapes( v1, v2, myShapeIDMap ))
+ if ( !block.LoadBlockShapes( theBlock, v1, v2, myShapeIDMap ))
return setErrorCode( ERR_LOADV_BAD_SHAPE );
// count nodes
// store a node and a point
while ( nIt->more() ) {
const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nIt->next() );
- nodePointIDMap.insert( TNodePointIDMap::value_type( node, iPoint ));
+ nodePointIDMap.insert( make_pair( node, iPoint ));
if ( block.IsVertexID( shapeID ))
myKeyPointIDs.push_back( iPoint );
TPoint* p = & myPoints[ iPoint++ ];
const TopoDS_Edge& edge = TopoDS::Edge( S );
double f,l;
BRep_Tool::Range( edge, f, l );
- int iCoord = TBlock::GetCoordIndOnEdge( shapeID );
- bool isForward = TBlock::IsForwardEdge( edge, myShapeIDMap );
+ int iCoord = SMESH_Block::GetCoordIndOnEdge( shapeID );
+ bool isForward = SMESH_Block::IsForwardEdge( edge, myShapeIDMap );
pIt = shapePoints.begin();
nIt = aSubMesh->GetNodes();
for ( ; nIt->more(); pIt++ )
{
MESSAGE(" ::Apply(volume) " );
- TBlock block( theBlock );
-
if (!findBoundaryPoints() || // bind ID to points
!setShapeToMesh( theBlock )) // check theBlock is a suitable shape
return false;
- if (!block.LoadBlockShapes( theVertex000, theVertex001, myShapeIDMap )) // bind ID to shape
+ SMESH_Block block; // bind ID to shape
+ if (!block.LoadBlockShapes( theBlock, theVertex000, theVertex001, myShapeIDMap ))
return setErrorCode( ERR_APPLV_BAD_SHAPE );
// compute XYZ of points on shapes
return setErrorCode( ERR_OK );
}
+//=======================================================================
+//function : Apply
+//purpose : Compute nodes coordinates applying
+// the loaded pattern to <theVolume>. The (0,0,0) key-point
+// will be mapped into <theNode000Index>-th node. The
+// (0,0,1) key-point will be mapped into <theNode000Index>-th
+// node.
+//=======================================================================
+
+bool SMESH_Pattern::Apply (const SMDS_MeshVolume* theVolume,
+ const int theNode000Index,
+ const int theNode001Index)
+{
+ MESSAGE(" ::Apply(MeshVolume) " );
+
+ if (!findBoundaryPoints()) // bind ID to points
+ return false;
+
+ SMESH_Block block; // bind ID to shape
+ if (!block.LoadMeshBlock( theVolume, theNode000Index, theNode001Index, myOrderedNodes ))
+ return setErrorCode( ERR_APPLV_BAD_SHAPE );
+ // compute XYZ of points on shapes
+
+ for ( int ID = SMESH_Block::ID_V000; ID <= SMESH_Block::ID_Shell; ID++ )
+ {
+ list< TPoint* > & shapePoints = getShapePoints( ID );
+ list< TPoint* >::iterator pIt = shapePoints.begin();
+
+ if ( block.IsVertexID( ID ))
+ for ( ; pIt != shapePoints.end(); pIt++ ) {
+ block.VertexPoint( ID, (*pIt)->myXYZ.ChangeCoord() );
+ }
+ else if ( block.IsEdgeID( ID ))
+ for ( ; pIt != shapePoints.end(); pIt++ ) {
+ block.EdgePoint( ID, (*pIt)->myInitXYZ, (*pIt)->myXYZ.ChangeCoord() );
+ }
+ else if ( block.IsFaceID( ID ))
+ for ( ; pIt != shapePoints.end(); pIt++ ) {
+ block.FacePoint( ID, (*pIt)->myInitXYZ, (*pIt)->myXYZ.ChangeCoord() );
+ }
+ else
+ for ( ; pIt != shapePoints.end(); pIt++ )
+ block.ShellPoint( (*pIt)->myInitXYZ, (*pIt)->myXYZ.ChangeCoord() );
+ } // loop on block sub-shapes
+
+ myIsComputed = true;
+
+ return setErrorCode( ERR_OK );
+}
+
//=======================================================================
//function : MakeMesh
//purpose : Create nodes and elements in <theMesh> using nodes
return setErrorCode( ERR_MAKEM_NOT_COMPUTED );
SMESHDS_Mesh* aMeshDS = theMesh->GetMeshDS();
+ SMESH_MeshEditor editor( theMesh );
// clear elements and nodes existing on myShape
- SMESH_subMesh * aSubMesh = theMesh->GetSubMeshContaining( myShape );
- SMESHDS_SubMesh * aSubMeshDS = aMeshDS->MeshElements( myShape );
- if ( aSubMesh )
- aSubMesh->ComputeStateEngine( SMESH_subMesh::CLEAN );
- else if ( aSubMeshDS )
+
+ if ( !myShape.IsNull() )
{
- SMDS_ElemIteratorPtr eIt = aSubMeshDS->GetElements();
- while ( eIt->more() )
- aMeshDS->RemoveElement( eIt->next() );
- SMDS_NodeIteratorPtr nIt = aSubMeshDS->GetNodes();
- while ( nIt->more() )
- aMeshDS->RemoveNode( static_cast<const SMDS_MeshNode*>( nIt->next() ));
+ SMESH_subMesh * aSubMesh = theMesh->GetSubMeshContaining( myShape );
+ SMESHDS_SubMesh * aSubMeshDS = aMeshDS->MeshElements( myShape );
+ if ( aSubMesh )
+ aSubMesh->ComputeStateEngine( SMESH_subMesh::CLEAN );
+ else if ( aSubMeshDS )
+ {
+ SMDS_ElemIteratorPtr eIt = aSubMeshDS->GetElements();
+ while ( eIt->more() )
+ aMeshDS->RemoveElement( eIt->next() );
+ SMDS_NodeIteratorPtr nIt = aSubMeshDS->GetNodes();
+ while ( nIt->more() )
+ aMeshDS->RemoveNode( static_cast<const SMDS_MeshNode*>( nIt->next() ));
+ }
}
+ bool onMeshElements = ( !myElements.empty() );
+
// loop on sub-shapes of myShape: create nodes and build point-node map
- typedef map< TPoint*, const SMDS_MeshNode* > TPointNodeMap;
- TPointNodeMap pointNodeMap;
- map< int, list< TPoint* > >::iterator idPointIt = myShapeIDToPointsMap.begin();
- for ( ; idPointIt != myShapeIDToPointsMap.end(); idPointIt++ )
+
+ vector< const SMDS_MeshNode* > nodesVector;
+ map< TPoint*, const SMDS_MeshNode* > pointNodeMap;
+ if ( onMeshElements )
+ {
+ nodesVector.resize( myXYZ.size() );
+ for ( int i = 0; i < myXYZ.size(); ++i ) {
+ map< int, const SMDS_MeshNode*>::iterator idNode = myXYZIdToNodeMap.find( i );
+ if ( idNode != myXYZIdToNodeMap.end() )
+ nodesVector[ i ] = idNode->second;
+ else if ( isDefined( myXYZ[ i ] ))
+ nodesVector[ i ] = aMeshDS->AddNode (myXYZ[ i ].X(),
+ myXYZ[ i ].Y(),
+ myXYZ[ i ].Z());
+ }
+ }
+ else
{
- const TopoDS_Shape & S = myShapeIDMap( (*idPointIt).first );
- list< TPoint* > & points = (*idPointIt).second;
- SMESHDS_SubMesh * subMeshDS = aMeshDS->MeshElements( S );
- SMESH_subMesh * subMesh = theMesh->GetSubMeshContaining( myShape );
- list< TPoint* >::iterator pIt = points.begin();
- for ( ; pIt != points.end(); pIt++ )
+ map< int, list< TPoint* > >::iterator idPointIt = myShapeIDToPointsMap.begin();
+ for ( ; idPointIt != myShapeIDToPointsMap.end(); idPointIt++ )
{
- TPoint* point = *pIt;
- if ( pointNodeMap.find( point ) != pointNodeMap.end() )
- continue;
- SMDS_MeshNode* node = aMeshDS->AddNode (point->myXYZ.X(),
- point->myXYZ.Y(),
- point->myXYZ.Z());
- pointNodeMap.insert( TPointNodeMap::value_type( point, node ));
- if ( subMeshDS ) {
- switch ( S.ShapeType() ) {
- case TopAbs_VERTEX: {
- aMeshDS->SetNodeOnVertex( node, TopoDS::Vertex( S ));
- break;
- }
- case TopAbs_EDGE: {
- aMeshDS->SetNodeOnEdge( node, TopoDS::Edge( S ));
- SMDS_EdgePosition* epos =
- dynamic_cast<SMDS_EdgePosition *>(node->GetPosition().get());
- epos->SetUParameter( point->myU );
- break;
- }
- case TopAbs_FACE: {
- aMeshDS->SetNodeOnFace( node, TopoDS::Face( S ));
- SMDS_FacePosition* pos =
- dynamic_cast<SMDS_FacePosition *>(node->GetPosition().get());
- pos->SetUParameter( point->myUV.X() );
- pos->SetVParameter( point->myUV.Y() );
- break;
- }
- default:
- aMeshDS->SetNodeInVolume( node, TopoDS::Shell( S ));
+ TopoDS_Shape S;
+ SMESHDS_SubMesh * subMeshDS = 0;
+ if ( !myShapeIDMap.IsEmpty() ) {
+ S = myShapeIDMap( idPointIt->first );
+ subMeshDS = aMeshDS->MeshElements( S );
+ }
+ list< TPoint* > & points = idPointIt->second;
+ list< TPoint* >::iterator pIt = points.begin();
+ for ( ; pIt != points.end(); pIt++ )
+ {
+ TPoint* point = *pIt;
+ if ( pointNodeMap.find( point ) != pointNodeMap.end() )
+ continue;
+ SMDS_MeshNode* node = aMeshDS->AddNode (point->myXYZ.X(),
+ point->myXYZ.Y(),
+ point->myXYZ.Z());
+ pointNodeMap.insert( make_pair( point, node ));
+ if ( subMeshDS ) {
+ switch ( S.ShapeType() ) {
+ case TopAbs_VERTEX: {
+ aMeshDS->SetNodeOnVertex( node, TopoDS::Vertex( S ));
+ break;
+ }
+ case TopAbs_EDGE: {
+ aMeshDS->SetNodeOnEdge( node, TopoDS::Edge( S ));
+ SMDS_EdgePosition* epos =
+ dynamic_cast<SMDS_EdgePosition *>(node->GetPosition().get());
+ epos->SetUParameter( point->myU );
+ break;
+ }
+ case TopAbs_FACE: {
+ aMeshDS->SetNodeOnFace( node, TopoDS::Face( S ));
+ SMDS_FacePosition* pos =
+ dynamic_cast<SMDS_FacePosition *>(node->GetPosition().get());
+ pos->SetUParameter( point->myUV.X() );
+ pos->SetVParameter( point->myUV.Y() );
+ break;
+ }
+ default:
+ aMeshDS->SetNodeInVolume( node, TopoDS::Shell( S ));
+ }
}
}
}
- // make that SMESH_subMesh::_computeState = COMPUTE_OK
- // so that operations with hypotheses will erase the mesh
- // being built
- if ( subMesh )
- subMesh->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
}
-
+
// create elements
- list<list< int > >::iterator epIt = myElemPointIDs.begin();
- for ( ; epIt != myElemPointIDs.end(); epIt++ )
+
+ // shapes and groups myElements are on
+ vector< int > shapeIDs;
+ vector< list< SMESHDS_Group* > > groups;
+ if ( onMeshElements )
{
- list< int > & elemPoints = *epIt;
+ shapeIDs.resize( myElements.size() );
+ groups.resize( myElements.size() );
+ const set<SMESHDS_GroupBase*>& allGroups = aMeshDS->GetGroups();
+ set<SMESHDS_GroupBase*>::const_iterator grIt;
+ for ( int i = 0; i < myElements.size(); i++ )
+ {
+ shapeIDs[ i ] = editor.FindShape( myElements[ i ] );
+ for ( grIt = allGroups.begin(); grIt != allGroups.end(); grIt++ ) {
+ SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
+ if ( group && group->SMDSGroup().Contains( myElements[ i ] ))
+ groups[ i ].push_back( group );
+ }
+ }
+ }
+ int nbElems = myElemPointIDs.size(); // nb elements in a pattern
+
+ list<list< int > >::iterator epIt, epEnd;
+ if ( onMeshElements ) {
+ epIt = myElemXYZIDs.begin();
+ epEnd = myElemXYZIDs.end();
+ }
+ else {
+ epIt = myElemPointIDs.begin();
+ epEnd = myElemPointIDs.end();
+ }
+ for ( int iElem = 0; epIt != epEnd; epIt++, iElem++ )
+ {
+ list< int > & elemPoints = *epIt;
// retrieve nodes
const SMDS_MeshNode* nodes[ 8 ];
list< int >::iterator iIt = elemPoints.begin();
int nbNodes;
for ( nbNodes = 0; iIt != elemPoints.end(); iIt++ ) {
- nodes[ nbNodes++ ] = pointNodeMap[ & myPoints[ *iIt ]];
+ if ( onMeshElements )
+ nodes[ nbNodes++ ] = nodesVector[ *iIt ];
+ else
+ nodes[ nbNodes++ ] = pointNodeMap[ & myPoints[ *iIt ]];
}
// add an element
const SMDS_MeshElement* elem = 0;
elem = aMeshDS->AddFace( nodes[0], nodes[1], nodes[2] ); break;
case 4:
elem = aMeshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
- default:;
+ default:
+ ASSERT( nbNodes < 8 );
}
}
else {
case 8:
elem = aMeshDS->AddVolume (nodes[0], nodes[1], nodes[2], nodes[3],
nodes[4], nodes[5], nodes[6], nodes[7] ); break;
- default:;
+ default:
+ ASSERT( nbNodes < 8 );
+ }
+ }
+ // set element on a shape
+ if ( elem && onMeshElements ) // applied to mesh elements
+ {
+ int elemIndex = iElem / nbElems;
+ int shapeID = shapeIDs[ elemIndex ];
+ if ( shapeID > 0 ) {
+ aMeshDS->SetMeshElementOnShape( elem, shapeID );
+ // set nodes on a shape
+ TopoDS_Shape S = aMeshDS->IndexToShape( shapeID );
+ if ( S.ShapeType() == TopAbs_SOLID ) {
+ TopoDS_Iterator shellIt( S );
+ if ( shellIt.More() )
+ shapeID = aMeshDS->ShapeToIndex( shellIt.Value() );
+ }
+ SMDS_ElemIteratorPtr noIt = elem->nodesIterator();
+ while ( noIt->more() ) {
+ SMDS_MeshNode* node = const_cast<SMDS_MeshNode*>
+ ( static_cast<const SMDS_MeshNode*>( noIt->next() ));
+ if ( !node->GetPosition() || !node->GetPosition()->GetShapeId() ) {
+ if ( S.ShapeType() == TopAbs_FACE )
+ aMeshDS->SetNodeOnFace( node, shapeID );
+ else
+ aMeshDS->SetNodeInVolume( node, shapeID );
+ }
+ }
}
+ // add elem in groups
+ list< SMESHDS_Group* >::iterator g = groups[ elemIndex ].begin();
+ for ( ; g != groups[ elemIndex ].end(); ++g )
+ (*g)->SMDSGroup().Add( elem );
}
- if ( elem )
+ if ( elem && !myShape.IsNull() ) // applied to shape
aMeshDS->SetMeshElementOnShape( elem, myShape );
}
+ // make that SMESH_subMesh::_computeState = COMPUTE_OK
+ // so that operations with hypotheses will erase the mesh being built
+
+ SMESH_subMesh * subMesh;
+ if ( !myShape.IsNull() ) {
+ subMesh = theMesh->GetSubMeshContaining( myShape );
+ if ( subMesh )
+ subMesh->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ }
+ if ( onMeshElements ) {
+ list< int > elemIDs;
+ for ( int i = 0; i < myElements.size(); i++ )
+ {
+ int shapeID = shapeIDs[ i ];
+ if ( shapeID > 0 ) {
+ TopoDS_Shape S = aMeshDS->IndexToShape( shapeID );
+ subMesh = theMesh->GetSubMeshContaining( S );
+ if ( subMesh )
+ subMesh->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ }
+ elemIDs.push_back( myElements[ i ]->GetID() );
+ }
+ // remove refined elements
+ editor.Remove( elemIDs, false );
+ }
+
return setErrorCode( ERR_OK );
}
}
// vectors of boundary direction near <p>
gp_Vec2d v1( pPrev->myInitUV, p->myInitUV ), v2( p->myInitUV, pNext->myInitUV );
- // rotate vectors counterclockwise
- v1.SetCoord( -v1.Y(), v1.X() );
- v2.SetCoord( -v2.Y(), v2.X() );
- // in-face direction
- gp_Vec2d dirInFace = v1 + v2;
- // for the outer boundary dirInFace should go to the right
- bool reverse;
- if ( bndIt == boundaryList.begin() ) // outer boundary
- reverse = dirInFace.X() < 0;
- else
- reverse = dirInFace.X() > 0;
- if ( reverse )
- boundary.reverse();
+ double sqMag1 = v1.SquareMagnitude(), sqMag2 = v2.SquareMagnitude();
+ if ( sqMag1 > DBL_MIN && sqMag2 > DBL_MIN ) {
+ double yPrev = v1.Y() / sqrt( sqMag1 );
+ double yNext = v2.Y() / sqrt( sqMag2 );
+ double sumY = yPrev + yNext;
+ bool reverse;
+ if ( bndIt == boundaryList.begin() ) // outer boundary
+ reverse = sumY > 0;
+ else
+ reverse = sumY < 0;
+ if ( reverse )
+ boundary.reverse();
+ }
// Put key-point IDs of a well-oriented boundary in myKeyPointIDs
(*nbKpIt) = 0; // count nb of key-points again
double edgeLength = 0;
list< TPoint* >::iterator pIt = boundary->begin();
getShapePoints( edgeID ).push_back( *pIt );
+ getShapePoints( vertexID++ ).push_back( *pIt );
for ( pIt++; pIt != boundary->end(); pIt++)
{
list< TPoint* > & edgePoints = getShapePoints( edgeID );
}
// begin the next edge treatment
edgeLength = 0;
- getShapePoints( vertexID++ ).push_back( point );
edgeID++;
- if ( point != boundary->front() )
+ if ( point != boundary->front() ) { // not the first key-point again
getShapePoints( edgeID ).push_back( point );
+ getShapePoints( vertexID++ ).push_back( point );
+ }
}
}
}
vector< TPoint >::iterator pVecIt = myPoints.begin();
for ( int i = 0; pVecIt != myPoints.end(); pVecIt++, i++ ) {
TPoint* point = &(*pVecIt);
- int shapeID = TBlock::GetShapeIDByParams( point->myInitXYZ );
+ int shapeID = SMESH_Block::GetShapeIDByParams( point->myInitXYZ );
getShapePoints( shapeID ).push_back( point );
// detect key-points
- if ( TBlock::IsVertexID( shapeID ))
+ if ( SMESH_Block::IsVertexID( shapeID ))
myKeyPointIDs.push_back( i );
}
}
//purpose : Return nodes coordinates computed by Apply() method
//=======================================================================
-bool SMESH_Pattern::GetMappedPoints ( list< const gp_XYZ * > & thePoints )
+bool SMESH_Pattern::GetMappedPoints ( list< const gp_XYZ * > & thePoints ) const
{
thePoints.clear();
if ( !myIsComputed )
return false;
- vector< TPoint >::iterator pVecIt = myPoints.begin();
- for ( ; pVecIt != myPoints.end(); pVecIt++ )
- thePoints.push_back( & (*pVecIt).myXYZ.XYZ() );
-
- return ( thePoints.size() > 0 );
+ if ( myElements.empty() ) { // applied to shape
+ vector< TPoint >::const_iterator pVecIt = myPoints.begin();
+ for ( ; pVecIt != myPoints.end(); pVecIt++ )
+ thePoints.push_back( & (*pVecIt).myXYZ.XYZ() );
+ }
+ else { // applied to mesh elements
+ const gp_XYZ * definedXYZ = & myPoints[ myKeyPointIDs.front() ].myXYZ.XYZ();
+ vector<gp_XYZ>::const_iterator xyz = myXYZ.begin();
+ for ( ; xyz != myXYZ.end(); ++xyz )
+ if ( !isDefined( *xyz ))
+ thePoints.push_back( definedXYZ );
+ else
+ thePoints.push_back( & (*xyz) );
+ }
+ return !thePoints.empty();
}
return OS;
}
-
-//=======================================================================
-//function : TBlock::TEdge::GetU
-//purpose :
-//=======================================================================
-
-double TBlock::TEdge::GetU( const gp_XYZ& theParams ) const
-{
- double u = theParams.Coord( myCoordInd );
- return ( 1 - u ) * myFirst + u * myLast;
-}
-
-//=======================================================================
-//function : TBlock::TEdge::Point
-//purpose :
-//=======================================================================
-
-gp_XYZ TBlock::TEdge::Point( const gp_XYZ& theParams ) const
-{
- gp_XYZ p = myC3d->Value( GetU( theParams )).XYZ();
- if ( myTrsf.Form() != gp_Identity )
- myTrsf.Transforms( p );
- return p;
-}
-
-//=======================================================================
-//function : TBlock::TFace::GetUV
-//purpose :
-//=======================================================================
-
-gp_XY TBlock::TFace::GetUV( const gp_XYZ& theParams ) const
-{
- gp_XY uv(0.,0.);
- double dU = theParams.Coord( GetUInd() );
- double dV = theParams.Coord( GetVInd() );
- for ( int iE = 0; iE < 4; iE++ ) // loop on 4 edges
- {
- double Ecoef = 0, Vcoef = 0;
- switch ( iE ) {
- case 0:
- Ecoef = ( 1 - dV ); // u0
- Vcoef = ( 1 - dU ) * ( 1 - dV ); break; // 00
- case 1:
- Ecoef = dV; // u1
- Vcoef = dU * ( 1 - dV ); break; // 10
- case 2:
- Ecoef = ( 1 - dU ); // 0v
- Vcoef = dU * dV ; break; // 11
- case 3:
- Ecoef = dU ; // 1v
- Vcoef = ( 1 - dU ) * dV ; break; // 01
- default:;
- }
- // edge addition
- double u = theParams.Coord( myCoordInd[ iE ] );
- u = ( 1 - u ) * myFirst[ iE ] + u * myLast[ iE ];
- uv += Ecoef * myC2d[ iE ]->Value( u ).XY();
- // corner addition
- uv -= Vcoef * myCorner[ iE ];
- }
- return uv;
-}
-
-//=======================================================================
-//function : TBlock::TFace::Point
-//purpose :
-//=======================================================================
-
-gp_XYZ TBlock::TFace::Point( const gp_XYZ& theParams ) const
-{
- gp_XY uv = GetUV( theParams );
- gp_XYZ p = myS->Value( uv.X(), uv.Y() ).XYZ();
- if ( myTrsf.Form() != gp_Identity )
- myTrsf.Transforms( p );
- return p;
-}
-
-//=======================================================================
-//function : GetShapeCoef
-//purpose :
-//=======================================================================
-
-double* TBlock::GetShapeCoef (const int theShapeID)
-{
- static double shapeCoef[][3] = {
- // V000, V100, V010, V110
- { -1,-1,-1 }, { 1,-1,-1 }, { -1, 1,-1 }, { 1, 1,-1 },
- // V001, V101, V011, V111,
- { -1,-1, 1 }, { 1,-1, 1 }, { -1, 1, 1 }, { 1, 1, 1 },
- // Ex00, Ex10, Ex01, Ex11,
- { 0,-1,-1 }, { 0, 1,-1 }, { 0,-1, 1 }, { 0, 1, 1 },
- // E0y0, E1y0, E0y1, E1y1,
- { -1, 0,-1 }, { 1, 0,-1 }, { -1, 0, 1 }, { 1, 0, 1 },
- // E00z, E10z, E01z, E11z,
- { -1,-1, 0 }, { 1,-1, 0 }, { -1, 1, 0 }, { 1, 1, 0 },
- // Fxy0, Fxy1, Fx0z, Fx1z, F0yz, F1yz,
- { 0, 0,-1 }, { 0, 0, 1 }, { 0,-1, 0 }, { 0, 1, 0 }, { -1, 0, 0 }, { 1, 0, 0 },
- // ID_Shell
- { 0, 0, 0 }
- };
- if ( theShapeID < ID_V000 || theShapeID > ID_F1yz )
- return shapeCoef[ ID_Shell - 1 ];
-
- return shapeCoef[ theShapeID - 1 ];
-}
-
-//=======================================================================
-//function : ShellPoint
-//purpose : return coordinates of a point in shell
-//=======================================================================
-
-bool TBlock::ShellPoint( const gp_XYZ& theParams, gp_XYZ& thePoint ) const
-{
- thePoint.SetCoord( 0., 0., 0. );
- for ( int shapeID = ID_V000; shapeID < ID_Shell; shapeID++ )
- {
- // coef
- double* coefs = GetShapeCoef( shapeID );
- double k = 1;
- for ( int iCoef = 0; iCoef < 3; iCoef++ ) {
- if ( coefs[ iCoef ] != 0 ) {
- if ( coefs[ iCoef ] < 0 )
- k *= ( 1. - theParams.Coord( iCoef + 1 ));
- else
- k *= theParams.Coord( iCoef + 1 );
- }
- }
- // point on a shape
- gp_XYZ Ps;
- if ( shapeID < ID_Ex00 ) // vertex
- VertexPoint( shapeID, Ps );
- else if ( shapeID < ID_Fxy0 ) { // edge
- EdgePoint( shapeID, theParams, Ps );
- k = -k;
- } else // face
- FacePoint( shapeID, theParams, Ps );
-
- thePoint += k * Ps;
- }
- return true;
-}
-
-//=======================================================================
-//function : NbVariables
-//purpose :
-//=======================================================================
-
-Standard_Integer TBlock::NbVariables() const
-{
- return 3;
-}
-
-//=======================================================================
-//function : NbEquations
-//purpose :
-//=======================================================================
-
-Standard_Integer TBlock::NbEquations() const
-{
- return 1;
-}
-
-//=======================================================================
-//function : Value
-//purpose :
-//=======================================================================
-
-Standard_Boolean TBlock::Value(const math_Vector& theXYZ, math_Vector& theFxyz)
-{
- gp_XYZ P, params( theXYZ(1), theXYZ(2), theXYZ(3) );
- if ( params.IsEqual( myParam, DBL_MIN )) { // same param
- theFxyz( 1 ) = myValues[ 0 ];
- }
- else {
- ShellPoint( params, P );
- gp_Vec dP( P - myPoint );
- theFxyz(1) = SQRT_FUNC ? dP.SquareMagnitude() : dP.Magnitude();
- }
- return true;
-}
-
-//=======================================================================
-//function : Derivatives
-//purpose :
-//=======================================================================
-
-Standard_Boolean TBlock::Derivatives(const math_Vector& XYZ,math_Matrix& Df)
-{
- MESSAGE( "TBlock::Derivatives()");
- math_Vector F(1,3);
- return Values(XYZ,F,Df);
-}
-
-//=======================================================================
-//function : Values
-//purpose :
-//=======================================================================
-
-Standard_Boolean TBlock::Values(const math_Vector& theXYZ,
- math_Vector& theFxyz,
- math_Matrix& theDf)
-{
-// MESSAGE( endl<<"TBlock::Values( "<<theXYZ(1)<<", "<<theXYZ(2)<<", "<<theXYZ(3)<<")");
-
- gp_XYZ P, params( theXYZ(1), theXYZ(2), theXYZ(3) );
- if ( params.IsEqual( myParam, DBL_MIN )) { // same param
- theFxyz( 1 ) = myValues[ 0 ];
- theDf( 1,1 ) = myValues[ 1 ];
- theDf( 1,2 ) = myValues[ 2 ];
- theDf( 1,3 ) = myValues[ 3 ];
- return true;
- }
-
- ShellPoint( params, P );
- //myNbIterations++; // how many time call ShellPoint()
-
- gp_Vec dP( P - myPoint );
- theFxyz(1) = SQRT_FUNC ? dP.SquareMagnitude() : dP.Magnitude();
- if ( theFxyz(1) < 1e-6 ) {
- myParam = params;
- myValues[ 0 ]= 0;
- theDf( 1,1 ) = 0;
- theDf( 1,2 ) = 0;
- theDf( 1,3 ) = 0;
- return true;
- }
-
- if ( theFxyz(1) < myValues[0] )
- {
- // 3 partial derivatives
- gp_Vec drv[ 3 ];
- for ( int iP = 1; iP <= 3; iP++ ) {
- gp_XYZ Pi;
- params.SetCoord( iP, theXYZ( iP ) + 0.001 );
- ShellPoint( params, Pi );
- params.SetCoord( iP, theXYZ( iP ) ); // restore params
- gp_Vec dPi ( P, Pi );
- double mag = dPi.Magnitude();
- if ( mag > DBL_MIN )
- dPi /= mag;
- drv[ iP - 1 ] = dPi;
- }
- for ( int iP = 0; iP < 3; iP++ ) {
- if ( iP == myFaceIndex )
- theDf( 1, iP + 1 ) = myFaceParam;
- else {
- // like IntAna_IntConicQuad::Perform (const gp_Lin& L, const gp_Pln& P)
- // where L is (P -> myPoint), P is defined by the 2 other derivative direction
- int iPrev = ( iP ? iP - 1 : 2 );
- int iNext = ( iP == 2 ? 0 : iP + 1 );
- gp_Vec plnNorm = drv[ iPrev ].Crossed( drv [ iNext ] );
- double Direc = plnNorm * drv[ iP ];
- if ( Abs(Direc) <= DBL_MIN )
- theDf( 1, iP + 1 ) = dP * drv[ iP ];
- else {
- double Dis = plnNorm * P - plnNorm * myPoint;
- theDf( 1, iP + 1 ) = Dis/Direc;
- }
- }
- }
- //myNbIterations +=3; // how many time call ShellPoint()
-
- // store better values
- myParam = params;
- myValues[0]= theFxyz(1);
- myValues[1]= theDf(1,1);
- myValues[2]= theDf(1,2);
- myValues[3]= theDf(1,3);
-
-// SCRUTE( theFxyz(1) );
-// SCRUTE( theDf( 1,1 ));
-// SCRUTE( theDf( 1,2 ));
-// SCRUTE( theDf( 1,3 ));
- }
-
- return true;
-}
-
-//=======================================================================
-//function : ComputeParameters
-//purpose : compute point parameters in the block
-//=======================================================================
-
-bool TBlock::ComputeParameters(const gp_Pnt& thePoint,
- gp_XYZ& theParams,
- const int theShapeID)
-{
-// MESSAGE( endl<<"TBlock::ComputeParameters( "
-// <<thePoint.X()<<", "<<thePoint.Y()<<", "<<thePoint.Z()<<")");
-
- myPoint = thePoint.XYZ();
-
- myParam.SetCoord( -1,-1,-1 );
- myValues[0] = 1e100;
-
- const bool isOnFace = IsFaceID( theShapeID );
- double * coef = GetShapeCoef( theShapeID );
-
- // the first guess
- math_Vector start( 1, 3, 0.0 );
- if ( !myGridComputed )
- {
- // define the first guess by thePoint projection on lines
- // connecting vertices
- bool needGrid = false;
- gp_XYZ par000( 0, 0, 0 ), par111( 1, 1, 1 );
- double zero = DBL_MIN * DBL_MIN;
- for ( int iEdge = 0, iParam = 1; iParam <= 3 && !needGrid; iParam++ )
- {
- if ( isOnFace && coef[ iParam - 1 ] != 0 ) {
- iEdge += 4;
- continue;
- }
- for ( int iE = 0; iE < 4; iE++, iEdge++ ) { // loop on 4 parallel edges
- gp_Pnt p0 = myEdge[ iEdge ].Point( par000 );
- gp_Pnt p1 = myEdge[ iEdge ].Point( par111 );
- gp_Vec v01( p0, p1 ), v0P( p0, thePoint );
- double len2 = v01.SquareMagnitude();
- double par = 0;
- if ( len2 > zero ) {
- par = v0P.Dot( v01 ) / len2;
- if ( par < 0 || par > 1 ) {
- needGrid = true;
- break;
- }
- }
- start( iParam ) += par;
- }
- start( iParam ) /= 4.;
- }
- if ( needGrid ) {
- // compute nodes of 3 x 3 x 3 grid
- int iNode = 0;
- for ( double x = 0.25; x < 0.9; x += 0.25 )
- for ( double y = 0.25; y < 0.9; y += 0.25 )
- for ( double z = 0.25; z < 0.9; z += 0.25 ) {
- TxyzPair & prmPtn = my3x3x3GridNodes[ iNode++ ];
- prmPtn.first.SetCoord( x, y, z );
- ShellPoint( prmPtn.first, prmPtn.second );
- }
- myGridComputed = true;
- }
- }
- if ( myGridComputed ) {
- double minDist = DBL_MAX;
- gp_XYZ* bestParam = 0;
- for ( int iNode = 0; iNode < 27; iNode++ ) {
- TxyzPair & prmPtn = my3x3x3GridNodes[ iNode ];
- double dist = ( thePoint.XYZ() - prmPtn.second ).SquareModulus();
- if ( dist < minDist ) {
- minDist = dist;
- bestParam = & prmPtn.first;
- }
- }
- start( 1 ) = bestParam->X();
- start( 2 ) = bestParam->Y();
- start( 3 ) = bestParam->Z();
- }
-
- int myFaceIndex = -1;
- if ( isOnFace ) {
- // put a point on the face
- for ( int iCoord = 0; iCoord < 3; iCoord++ )
- if ( coef[ iCoord ] ) {
- myFaceIndex = iCoord;
- myFaceParam = ( coef[ myFaceIndex ] < 0.5 ) ? 0.0 : 1.0;
- start( iCoord + 1 ) = myFaceParam;
- }
- }
- math_Vector low ( 1, 3, 0.0 );
- math_Vector up ( 1, 3, 1.0 );
- math_Vector tol ( 1, 3, 1e-4 );
- math_FunctionSetRoot paramSearch( *this, tol );
-
- int nbLoops = 0;
- while ( myValues[0] > 1e-1 && nbLoops++ < 10 ) {
- paramSearch.Perform ( *this, start, low, up );
- if ( !paramSearch.IsDone() ) {
- //MESSAGE( " !paramSearch.IsDone() " );
- }
- else {
- //MESSAGE( " NB ITERATIONS: " << paramSearch.NbIterations() );
- }
- start( 1 ) = myParam.X();
- start( 2 ) = myParam.Y();
- start( 3 ) = myParam.Z();
- //MESSAGE( "Distance: " << ( SQRT_FUNC ? sqrt(myValues[0]) : myValues[0] ));
- }
-// MESSAGE( endl << myParam.X() << " " << myParam.Y() << " " << myParam.Z() << endl);
-// mySumDist += myValues[0];
-// MESSAGE( " TOTAL NB ITERATIONS: " << myNbIterations <<
-// " DIST: " << ( SQRT_FUNC ? sqrt(mySumDist) : mySumDist ));
-
-
- theParams = myParam;
-
- return true;
-}
-
-//=======================================================================
-//function : GetStateNumber
-//purpose :
-//=======================================================================
-
-Standard_Integer TBlock::GetStateNumber ()
-{
-// MESSAGE( endl<<"TBlock::GetStateNumber( "<<myParam.X()<<", "<<
-// myParam.Y()<<", "<<myParam.Z()<<") DISTANCE: " << myValues[0]);
- return myValues[0] < 1e-1;
-}
-
-//=======================================================================
-//function : DumpShapeID
-//purpose : debug an id of a block sub-shape
-//=======================================================================
-
-#define CASEDUMP(id,strm) case id: strm << #id; break;
-
-ostream& TBlock::DumpShapeID (const int id, ostream& stream)
-{
- switch ( id ) {
- CASEDUMP( ID_V000, stream );
- CASEDUMP( ID_V100, stream );
- CASEDUMP( ID_V010, stream );
- CASEDUMP( ID_V110, stream );
- CASEDUMP( ID_V001, stream );
- CASEDUMP( ID_V101, stream );
- CASEDUMP( ID_V011, stream );
- CASEDUMP( ID_V111, stream );
- CASEDUMP( ID_Ex00, stream );
- CASEDUMP( ID_Ex10, stream );
- CASEDUMP( ID_Ex01, stream );
- CASEDUMP( ID_Ex11, stream );
- CASEDUMP( ID_E0y0, stream );
- CASEDUMP( ID_E1y0, stream );
- CASEDUMP( ID_E0y1, stream );
- CASEDUMP( ID_E1y1, stream );
- CASEDUMP( ID_E00z, stream );
- CASEDUMP( ID_E10z, stream );
- CASEDUMP( ID_E01z, stream );
- CASEDUMP( ID_E11z, stream );
- CASEDUMP( ID_Fxy0, stream );
- CASEDUMP( ID_Fxy1, stream );
- CASEDUMP( ID_Fx0z, stream );
- CASEDUMP( ID_Fx1z, stream );
- CASEDUMP( ID_F0yz, stream );
- CASEDUMP( ID_F1yz, stream );
- CASEDUMP( ID_Shell, stream );
- default: stream << "ID_INVALID";
- }
- return stream;
-}
-
-//=======================================================================
-//function : GetShapeIDByParams
-//purpose : define an id of the block sub-shape by normlized point coord
-//=======================================================================
-
-int TBlock::GetShapeIDByParams ( const gp_XYZ& theCoord )
-{
- // id ( 0 - 26 ) computation:
-
- // vertex ( 0 - 7 ) : id = 1*x + 2*y + 4*z
-
- // edge || X ( 8 - 11 ) : id = 8 + 1*y + 2*z
- // edge || Y ( 12 - 15 ): id = 1*x + 12 + 2*z
- // edge || Z ( 16 - 19 ): id = 1*x + 2*y + 16
-
- // face || XY ( 20 - 21 ): id = 8 + 12 + 1*z - 0
- // face || XZ ( 22 - 23 ): id = 8 + 1*y + 16 - 2
- // face || YZ ( 24 - 25 ): id = 1*x + 12 + 16 - 4
-
- static int iAddBnd[] = { 1, 2, 4 };
- static int iAddNotBnd[] = { 8, 12, 16 };
- static int iFaceSubst[] = { 0, 2, 4 };
-
- int id = 0;
- int iOnBoundary = 0;
- for ( int iCoord = 0; iCoord < 3; iCoord++ )
- {
- double val = theCoord.Coord( iCoord + 1 );
- if ( val == 0.0 )
- iOnBoundary++;
- else if ( val == 1.0 )
- id += iAddBnd[ iOnBoundary++ ];
- else
- id += iAddNotBnd[ iCoord ];
- }
- if ( iOnBoundary == 1 ) // face
- id -= iFaceSubst[ (id - 20) / 4 ];
- else if ( iOnBoundary == 0 ) // shell
- id = 26;
-
- if ( id > 26 || id < 0 ) {
- MESSAGE( "GetShapeIDByParams() = " << id
- <<" "<< theCoord.X() <<" "<< theCoord.Y() <<" "<< theCoord.Z() );
- }
-
- return id + 1; // shape ids start at 1
-}
-
-//=======================================================================
-//function : LoadBlockShapes
-//purpose : add sub-shapes of theBlock to theShapeIDMap so that they get
-// IDs acoording to enum TBlockShapeID
-//=======================================================================
-
-bool TBlock::LoadBlockShapes(const TopoDS_Vertex& theVertex000,
- const TopoDS_Vertex& theVertex001,
-// TopTools_IndexedMapOfShape& theShapeIDMap
- TopTools_IndexedMapOfOrientedShape& theShapeIDMap )
-{
- MESSAGE(" ::LoadBlockShapes()");
- myGridComputed = false;
-
- // 6 vertices
- TopoDS_Shape V000, V100, V010, V110, V001, V101, V011, V111;
- // 12 edges
- TopoDS_Shape Ex00, Ex10, Ex01, Ex11;
- TopoDS_Shape E0y0, E1y0, E0y1, E1y1;
- TopoDS_Shape E00z, E10z, E01z, E11z;
- // 6 faces
- TopoDS_Shape Fxy0, Fx0z, F0yz, Fxy1, Fx1z, F1yz;
-
- // nb of faces bound to a vertex in TopTools_IndexedDataMapOfShapeListOfShape
- // filled by TopExp::MapShapesAndAncestors()
- const int NB_FACES_BY_VERTEX = 6;
-
- TopTools_IndexedDataMapOfShapeListOfShape vfMap;
- TopExp::MapShapesAndAncestors( myShell, TopAbs_VERTEX, TopAbs_FACE, vfMap );
- if ( vfMap.Extent() != 8 ) {
- MESSAGE(" Wrong nb of vertices in the block: " << vfMap.Extent() );
- return false;
- }
-
- V000 = theVertex000;
- V001 = theVertex001;
-
- if ( V000.IsNull() ) {
- // find vertex 000 - the one with smallest coordinates
- double minVal = DBL_MAX, minX, val;
- for ( int i = 1; i <= 8; i++ ) {
- const TopoDS_Vertex& v = TopoDS::Vertex( vfMap.FindKey( i ));
- gp_Pnt P = BRep_Tool::Pnt( v );
- val = P.X() + P.Y() + P.Z();
- if ( val < minVal || ( val == minVal && P.X() < minX )) {
- V000 = v;
- minVal = val;
- minX = P.X();
- }
- }
- // find vertex 001 - the one on the most vertical edge passing through V000
- TopTools_IndexedDataMapOfShapeListOfShape veMap;
- TopExp::MapShapesAndAncestors( myShell, TopAbs_VERTEX, TopAbs_EDGE, veMap );
- gp_Vec dir001 = gp::DZ();
- gp_Pnt p000 = BRep_Tool::Pnt( TopoDS::Vertex( V000 ));
- double maxVal = -DBL_MAX;
- TopTools_ListIteratorOfListOfShape eIt ( veMap.FindFromKey( V000 ));
- for ( ; eIt.More(); eIt.Next() ) {
- const TopoDS_Edge& e = TopoDS::Edge( eIt.Value() );
- TopoDS_Vertex v = TopExp::FirstVertex( e );
- if ( v.IsSame( V000 ))
- v = TopExp::LastVertex( e );
- val = dir001 * gp_Vec( p000, BRep_Tool::Pnt( v )).Normalized();
- if ( val > maxVal ) {
- V001 = v;
- maxVal = val;
- }
- }
- }
-
- // find the bottom (Fxy0), Fx0z and F0yz faces
-
- const TopTools_ListOfShape& f000List = vfMap.FindFromKey( V000 );
- const TopTools_ListOfShape& f001List = vfMap.FindFromKey( V001 );
- if (f000List.Extent() != NB_FACES_BY_VERTEX ||
- f001List.Extent() != NB_FACES_BY_VERTEX ) {
- MESSAGE(" LoadBlockShapes() " << f000List.Extent() << " " << f001List.Extent());
- return false;
- }
- TopTools_ListIteratorOfListOfShape f001It, f000It ( f000List );
- int i, j, iFound1, iFound2;
- for ( j = 0; f000It.More(); f000It.Next(), j++ )
- {
- if ( NB_FACES_BY_VERTEX == 6 && j % 2 ) continue; // each face encounters twice
- const TopoDS_Shape& F = f000It.Value();
- for ( i = 0, f001It.Initialize( f001List ); f001It.More(); f001It.Next(), i++ ) {
- if ( NB_FACES_BY_VERTEX == 6 && i % 2 ) continue; // each face encounters twice
- if ( F.IsSame( f001It.Value() ))
- break;
- }
- if ( f001It.More() ) // Fx0z or F0yz found
- if ( Fx0z.IsNull() ) {
- Fx0z = F;
- iFound1 = i;
- } else {
- F0yz = F;
- iFound2 = i;
- }
- else // F is the bottom face
- Fxy0 = F;
- }
- if ( Fxy0.IsNull() || Fx0z.IsNull() || F0yz.IsNull() ) {
- MESSAGE( Fxy0.IsNull() <<" "<< Fx0z.IsNull() <<" "<< F0yz.IsNull() );
- return false;
- }
-
- // choose the top face (Fxy1)
- for ( i = 0, f001It.Initialize( f001List ); f001It.More(); f001It.Next(), i++ ) {
- if ( NB_FACES_BY_VERTEX == 6 && i % 2 ) continue; // each face encounters twice
- if ( i != iFound1 && i != iFound2 )
- break;
- }
- Fxy1 = f001It.Value();
- if ( Fxy1.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
-
- // find bottom edges and veritices
- list< TopoDS_Edge > eList;
- list< int > nbVertexInWires;
- getOrderedEdges( TopoDS::Face( Fxy0 ), TopoDS::Vertex( V000 ), eList, nbVertexInWires );
- if ( nbVertexInWires.size() != 1 || nbVertexInWires.front() != 4 ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
- list< TopoDS_Edge >::iterator elIt = eList.begin();
- for ( i = 0; elIt != eList.end(); elIt++, i++ )
- switch ( i ) {
- case 0: E0y0 = *elIt; V010 = TopExp::LastVertex( *elIt, true ); break;
- case 1: Ex10 = *elIt; V110 = TopExp::LastVertex( *elIt, true ); break;
- case 2: E1y0 = *elIt; V100 = TopExp::LastVertex( *elIt, true ); break;
- case 3: Ex00 = *elIt; break;
- default:;
- }
- if ( i != 4 || E0y0.IsNull() || Ex10.IsNull() || E1y0.IsNull() || Ex00.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error, eList.size()=" << eList.size());
- return false;
- }
-
-
- // find top edges and veritices
- eList.clear();
- getOrderedEdges( TopoDS::Face( Fxy1 ), TopoDS::Vertex( V001 ), eList, nbVertexInWires );
- if ( nbVertexInWires.size() != 1 || nbVertexInWires.front() != 4 ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
- for ( i = 0, elIt = eList.begin(); elIt != eList.end(); elIt++, i++ )
- switch ( i ) {
- case 0: Ex01 = *elIt; V101 = TopExp::LastVertex( *elIt, true ); break;
- case 1: E1y1 = *elIt; V111 = TopExp::LastVertex( *elIt, true ); break;
- case 2: Ex11 = *elIt; V011 = TopExp::LastVertex( *elIt, true ); break;
- case 3: E0y1 = *elIt; break;
- default:;
- }
- if ( i != 4 || Ex01.IsNull() || E1y1.IsNull() || Ex11.IsNull() || E0y1.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error, eList.size()=" << eList.size());
- return false;
- }
-
- // swap Fx0z and F0yz if necessary
- TopExp_Explorer exp( Fx0z, TopAbs_VERTEX );
- for ( ; exp.More(); exp.Next() ) // Fx0z shares V101 and V100
- if ( V101.IsSame( exp.Current() ) || V100.IsSame( exp.Current() ))
- break; // V101 or V100 found
- if ( !exp.More() ) { // not found
- TopoDS_Shape f = Fx0z; Fx0z = F0yz; F0yz = f;
- }
-
- // find Fx1z and F1yz faces
- const TopTools_ListOfShape& f111List = vfMap.FindFromKey( V111 );
- const TopTools_ListOfShape& f110List = vfMap.FindFromKey( V110 );
- if (f111List.Extent() != NB_FACES_BY_VERTEX ||
- f110List.Extent() != NB_FACES_BY_VERTEX ) {
- MESSAGE(" LoadBlockShapes() " << f111List.Extent() << " " << f110List.Extent());
- return false;
- }
- TopTools_ListIteratorOfListOfShape f111It, f110It ( f110List);
- for ( j = 0 ; f110It.More(); f110It.Next(), j++ ) {
- if ( NB_FACES_BY_VERTEX == 6 && j % 2 ) continue; // each face encounters twice
- const TopoDS_Shape& F = f110It.Value();
- for ( i = 0, f111It.Initialize( f111List ); f111It.More(); f111It.Next(), i++ ) {
- if ( NB_FACES_BY_VERTEX == 6 && i % 2 ) continue; // each face encounters twice
- if ( F.IsSame( f111It.Value() )) { // Fx1z or F1yz found
- if ( Fx1z.IsNull() )
- Fx1z = F;
- else
- F1yz = F;
- }
- }
- }
- if ( Fx1z.IsNull() || F1yz.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
-
- // swap Fx1z and F1yz if necessary
- for ( exp.Init( Fx1z, TopAbs_VERTEX ); exp.More(); exp.Next() )
- if ( V010.IsSame( exp.Current() ) || V011.IsSame( exp.Current() ))
- break;
- if ( !exp.More() ) {
- TopoDS_Shape f = Fx1z; Fx1z = F1yz; F1yz = f;
- }
-
- // find vertical edges
- for ( exp.Init( Fx0z, TopAbs_EDGE ); exp.More(); exp.Next() ) {
- const TopoDS_Edge& edge = TopoDS::Edge( exp.Current() );
- const TopoDS_Shape& vFirst = TopExp::FirstVertex( edge, true );
- if ( vFirst.IsSame( V001 ))
- E00z = edge;
- else if ( vFirst.IsSame( V100 ))
- E10z = edge;
- }
- if ( E00z.IsNull() || E10z.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
- for ( exp.Init( Fx1z, TopAbs_EDGE ); exp.More(); exp.Next() ) {
- const TopoDS_Edge& edge = TopoDS::Edge( exp.Current() );
- const TopoDS_Shape& vFirst = TopExp::FirstVertex( edge, true );
- if ( vFirst.IsSame( V111 ))
- E11z = edge;
- else if ( vFirst.IsSame( V010 ))
- E01z = edge;
- }
- if ( E01z.IsNull() || E11z.IsNull() ) {
- MESSAGE(" LoadBlockShapes() error ");
- return false;
- }
-
- // load shapes in theShapeIDMap
-
- theShapeIDMap.Clear();
-
- theShapeIDMap.Add(V000.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V100.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V010.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V110.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V001.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V101.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V011.Oriented( TopAbs_FORWARD ));
- theShapeIDMap.Add(V111.Oriented( TopAbs_FORWARD ));
-
- theShapeIDMap.Add(Ex00);
- theShapeIDMap.Add(Ex10);
- theShapeIDMap.Add(Ex01);
- theShapeIDMap.Add(Ex11);
-
- theShapeIDMap.Add(E0y0);
- theShapeIDMap.Add(E1y0);
- theShapeIDMap.Add(E0y1);
- theShapeIDMap.Add(E1y1);
-
- theShapeIDMap.Add(E00z);
- theShapeIDMap.Add(E10z);
- theShapeIDMap.Add(E01z);
- theShapeIDMap.Add(E11z);
-
- theShapeIDMap.Add(Fxy0);
- theShapeIDMap.Add(Fxy1);
- theShapeIDMap.Add(Fx0z);
- theShapeIDMap.Add(Fx1z);
- theShapeIDMap.Add(F0yz);
- theShapeIDMap.Add(F1yz);
-
- theShapeIDMap.Add(myShell);
-
- if ( theShapeIDMap.Extent() != 27 ) {
- MESSAGE("LoadBlockShapes() " << theShapeIDMap.Extent() );
- return false;
- }
-
- // store shapes geometry
- for ( int shapeID = 1; shapeID < theShapeIDMap.Extent(); shapeID++ )
- {
- const TopoDS_Shape& S = theShapeIDMap( shapeID );
- switch ( S.ShapeType() )
- {
- case TopAbs_VERTEX: {
-
- if ( shapeID > ID_V111 ) {
- MESSAGE(" shapeID =" << shapeID );
- return false;
- }
- myPnt[ shapeID - ID_V000 ] =
- BRep_Tool::Pnt( TopoDS::Vertex( S )).XYZ();
- break;
- }
- case TopAbs_EDGE: {
-
- const TopoDS_Edge& edge = TopoDS::Edge( S );
- if ( shapeID < ID_Ex00 || shapeID > ID_E11z || edge.IsNull() ) {
- MESSAGE(" shapeID =" << shapeID );
- return false;
- }
- TEdge& tEdge = myEdge[ shapeID - ID_Ex00 ];
- tEdge.myCoordInd = GetCoordIndOnEdge( shapeID );
- TopLoc_Location loc;
- tEdge.myC3d = BRep_Tool::Curve( edge, loc, tEdge.myFirst, tEdge.myLast );
- if ( !IsForwardEdge( edge, theShapeIDMap ))
- Swap( tEdge.myFirst, tEdge.myLast );
- tEdge.myTrsf = loc;
- break;
- }
- case TopAbs_FACE: {
-
- const TopoDS_Face& face = TopoDS::Face( S );
- if ( shapeID < ID_Fxy0 || shapeID > ID_F1yz || face.IsNull() ) {
- MESSAGE(" shapeID =" << shapeID );
- return false;
- }
- TFace& tFace = myFace[ shapeID - ID_Fxy0 ];
- // pcurves
- vector< int > edgeIdVec(4, -1);
- GetFaceEdgesIDs( shapeID, edgeIdVec );
- for ( int iE = 0; iE < 4; iE++ ) // loop on 4 edges
- {
- const TopoDS_Edge& edge = TopoDS::Edge( theShapeIDMap( edgeIdVec[ iE ]));
- tFace.myCoordInd[ iE ] = GetCoordIndOnEdge( edgeIdVec[ iE ] );
- tFace.myC2d[ iE ] =
- BRep_Tool::CurveOnSurface( edge, face, tFace.myFirst[iE], tFace.myLast[iE] );
- if ( !IsForwardEdge( edge, theShapeIDMap ))
- Swap( tFace.myFirst[ iE ], tFace.myLast[ iE ] );
- }
- // 2d corners
- tFace.myCorner[ 0 ] = tFace.myC2d[ 0 ]->Value( tFace.myFirst[0] ).XY();
- tFace.myCorner[ 1 ] = tFace.myC2d[ 0 ]->Value( tFace.myLast[0] ).XY();
- tFace.myCorner[ 2 ] = tFace.myC2d[ 1 ]->Value( tFace.myLast[1] ).XY();
- tFace.myCorner[ 3 ] = tFace.myC2d[ 1 ]->Value( tFace.myFirst[1] ).XY();
- // sufrace
- TopLoc_Location loc;
- tFace.myS = BRep_Tool::Surface( face, loc );
- tFace.myTrsf = loc;
- break;
- }
- default: break;
- }
- } // loop on shapes in theShapeIDMap
-
- return true;
-}
-
-//=======================================================================
-//function : GetFaceEdgesIDs
-//purpose : return edges IDs in the order u0, u1, 0v, 1v
-// u0 means "|| u, v == 0"
-//=======================================================================
-
-void TBlock::GetFaceEdgesIDs (const int faceID, vector< int >& edgeVec )
-{
- switch ( faceID ) {
- case ID_Fxy0:
- edgeVec[ 0 ] = ID_Ex00;
- edgeVec[ 1 ] = ID_Ex10;
- edgeVec[ 2 ] = ID_E0y0;
- edgeVec[ 3 ] = ID_E1y0;
- break;
- case ID_Fxy1:
- edgeVec[ 0 ] = ID_Ex01;
- edgeVec[ 1 ] = ID_Ex11;
- edgeVec[ 2 ] = ID_E0y1;
- edgeVec[ 3 ] = ID_E1y1;
- break;
- case ID_Fx0z:
- edgeVec[ 0 ] = ID_Ex00;
- edgeVec[ 1 ] = ID_Ex01;
- edgeVec[ 2 ] = ID_E00z;
- edgeVec[ 3 ] = ID_E10z;
- break;
- case ID_Fx1z:
- edgeVec[ 0 ] = ID_Ex10;
- edgeVec[ 1 ] = ID_Ex11;
- edgeVec[ 2 ] = ID_E01z;
- edgeVec[ 3 ] = ID_E11z;
- break;
- case ID_F0yz:
- edgeVec[ 0 ] = ID_E0y0;
- edgeVec[ 1 ] = ID_E0y1;
- edgeVec[ 2 ] = ID_E00z;
- edgeVec[ 3 ] = ID_E01z;
- break;
- case ID_F1yz:
- edgeVec[ 0 ] = ID_E1y0;
- edgeVec[ 1 ] = ID_E1y1;
- edgeVec[ 2 ] = ID_E10z;
- edgeVec[ 3 ] = ID_E11z;
- break;
- default:
- MESSAGE(" GetFaceEdgesIDs(), wrong face ID: " << faceID );
- }
-}