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fix PAL15141 (Hypothesis "Composite side discretization" does not work)

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search also backward from the first edge in a wire
This commit is contained in:
eap 2007-03-05 16:15:11 +00:00
parent a8ab9d5bcc
commit 7e6987663f
2 changed files with 34 additions and 15 deletions
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47
src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
View File

@ -137,8 +137,8 @@ bool StdMeshers_Quadrangle_2D::Compute (SMESH_Mesh& aMesh,
SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
aMesh.GetSubMesh(aShape);
myTool = new SMESH_MesherHelper(aMesh);
std::auto_ptr<SMESH_MesherHelper> helperDeleter( myTool );// to delete helper at exit from Compute()
SMESH_MesherHelper helper(aMesh);
myTool = &helper;
_quadraticMesh = myTool->IsQuadraticSubMesh(aShape);
@ -578,35 +578,54 @@ FaceQuadStruct* StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh & aMes
}
FaceQuadStruct* quad = new FaceQuadStruct;
quad->uv_grid = 0;
for ( int i = 0; i < NB_SIDES; ++i )
quad->side[i] = 0;
quad->side.reserve(nbEdgesInWire.front());
int nbSides = 0;
list< TopoDS_Edge >::iterator edgeIt = edges.begin();
if ( nbEdgesInWire.front() == 4 ) { // exactly 4 edges
for ( ; edgeIt != edges.end(); ++edgeIt, nbSides++ )
quad->side[nbSides] = new StdMeshers_FaceSide(F, *edgeIt, &aMesh,
nbSides<TOP_SIDE, ignoreMediumNodes);
quad->side.push_back( new StdMeshers_FaceSide(F, *edgeIt, &aMesh,
nbSides<TOP_SIDE, ignoreMediumNodes));
}
else if ( nbEdgesInWire.front() > 4 ) { // more than 4 edges - try to unite some
list< TopoDS_Edge > sideEdges;
while ( edgeIt != edges.end()) {
while ( !edges.empty()) {
sideEdges.clear();
sideEdges.push_back( *edgeIt++ );
sideEdges.splice( sideEdges.end(), edges, edges.begin()); // edges.front() -> sideEdges.end()
bool sameSide = true;
while ( edgeIt != edges.end() && sameSide ) {
GeomAbs_Shape cont = SMESH_Algo::Continuity( sideEdges.back(), *edgeIt );
while ( !edges.empty() && sameSide ) {
GeomAbs_Shape cont = SMESH_Algo::Continuity( sideEdges.back(), edges.front() );
sameSide = ( cont >= GeomAbs_C1 );
if ( sameSide )
sideEdges.push_back( *edgeIt++ );
sideEdges.splice( sideEdges.end(), edges, edges.begin());
}
quad->side[nbSides] = new StdMeshers_FaceSide(F, sideEdges, &aMesh,
nbSides<TOP_SIDE, ignoreMediumNodes);
if ( nbSides == 0 ) { // go backward from the first edge
sameSide = true;
while ( !edges.empty() && sameSide ) {
GeomAbs_Shape cont = SMESH_Algo::Continuity( sideEdges.front(), edges.back() );
sameSide = ( cont >= GeomAbs_C1 );
if ( sameSide )
sideEdges.splice( sideEdges.begin(), edges, --edges.end());
}
}
quad->side.push_back( new StdMeshers_FaceSide(F, sideEdges, &aMesh,
nbSides<TOP_SIDE, ignoreMediumNodes));
++nbSides;
}
}
if (nbSides != 4) {
#ifdef _DEBUG_
cout << endl << "StdMeshers_Quadrangle_2D. Edge IDs of " << nbSides << " sides:";
for ( int i = 0; i < nbSides; ++i ) {
cout << " ( ";
for ( int e = 0; e < quad->side[i]->NbEdges(); ++e )
cout << myTool->GetMeshDS()->ShapeToIndex( quad->side[i]->Edge( e )) << " ";
cout << ")";
}
cout << endl;
#else
INFOS("face must have 4 edges / quadrangle");
#endif
delete quad;
quad = 0;
}
@ -647,7 +666,7 @@ FaceQuadStruct *StdMeshers_Quadrangle_2D::CheckAnd2Dcompute
faceQuadStruct::~faceQuadStruct()
{
for (int i = 0; i < 4; i++) {
for (int i = 0; i < side.size(); i++) {
if (side[i]) delete side[i];
//if (uv_edges[i]) delete [] uv_edges[i];
}

2
src/StdMeshers/StdMeshers_Quadrangle_2D.hxx
View File

@ -47,7 +47,7 @@ typedef struct faceQuadStruct
{
//int nbPts[4];
//TopoDS_Edge edge[4];
StdMeshers_FaceSide* side[4];
vector< StdMeshers_FaceSide*> side;
//double first[4];
//double last[4];
//bool isEdgeForward[4];