-// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2019 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
PrmJ->GetNodeIndex( otherFaceNode ) >= 0 ))
continue; // f is a base quadrangle
- // check projections of face direction (baOFN) to triange normals (nI and nJ)
+ // check projections of face direction (baOFN) to triangle normals (nI and nJ)
gp_Vec baOFN( base2, SMESH_TNodeXYZ( otherFaceNode ));
if ( nI * baOFN > 0 && nJ * baOFN > 0 &&
baI* baOFN > 0 && baJ* baOFN > 0 ) // issue 0023212
SMESH_ComputeErrorPtr& err = sm->GetComputeError();
if ( !err || err->IsOK() )
{
- err = SMESH_ComputeError::New( COMPERR_BAD_INPUT_MESH, msg, sm->GetAlgo() );
- err->myBadElements.push_back( face1 );
- err->myBadElements.push_back( face2 );
+ SMESH_BadInputElements* badElems =
+ new SMESH_BadInputElements( mesh.GetMeshDS(),COMPERR_BAD_INPUT_MESH, msg, sm->GetAlgo() );
+ badElems->add( face1 );
+ badElems->add( face2 );
+ err.reset( badElems );
}
}
- //throw SALOME_Exception( msg.c_str() );
return false; // == "algo fails"
}
gp_XYZ vert1 = P2.XYZ();
gp_XYZ vert2 = P3.XYZ();
- /* calculate distance from vert0 to ray origin */
- gp_XYZ tvec = orig - vert0;
-
gp_XYZ edge1 = vert1 - vert0;
gp_XYZ edge2 = vert2 - vert0;
/* if determinant is near zero, ray lies in plane of triangle */
double det = edge1 * pvec;
- if (det > -EPSILON && det < EPSILON)
+ const double ANGL_EPSILON = 1e-12;
+ if ( det > -ANGL_EPSILON && det < ANGL_EPSILON )
return false;
+ /* calculate distance from vert0 to ray origin */
+ gp_XYZ tvec = orig - vert0;
+
/* calculate U parameter and test bounds */
double u = ( tvec * pvec ) / det;
//if (u < 0.0 || u > 1.0)
//================================================================================
/*!
- * \brief Prepare data for the given face
+ * \brief Retrieve data of the given face
* \param PN - coordinates of face nodes
* \param VN - cross products of vectors (PC-PN(i)) ^ (PC-PN(i+1))
* \param FNodes - face nodes
int nbp = 4;
int j = 0;
- for(i=1; i<4; i++) {
+ for ( i = 1; i < 4; i++ )
+ {
j = i+1;
for(; j<=4; j++) {
if( PN(i).Distance(PN(j)) < 1.e-6 )
}
if(j<=4) break;
}
- //int deg_num = IsDegenarate(PN);
- //if(deg_num>0) {
+
bool hasdeg = false;
- if(i<4) {
- //cout<<"find degeneration"<<endl;
+ if ( i < 4 )
+ {
hasdeg = true;
gp_Pnt Pdeg = PN(i);
gp_Pnt Ptmp(N->X(),N->Y(),N->Z());
if(Pdeg.Distance(Ptmp)<1.e-6) {
DegNode = N;
- //DegNode = const_cast<SMDS_MeshNode*>(N);
break;
}
}
PN.SetValue(nbp+1,PN(1));
FNodes[nbp] = FNodes[0];
+
// find normal direction
gp_Vec V1(PC,PN(nbp));
gp_Vec V2(PC,PN(1));
}
}
- //cout<<" VNorm("<<VNorm.X()<<","<<VNorm.Y()<<","<<VNorm.Z()<<")"<<endl;
return hasdeg ? DEGEN_QUAD : QUAD;
}
groupDS = 0;
}
+ const bool toFindVolumes = aMesh.NbVolumes() > 0;
+
vector<const SMDS_MeshElement*> myPyramids;
SMESH_MesherHelper helper(aMesh);
helper.IsQuadraticSubMesh(aMesh.GetShapeToMesh());
if ( !myElemSearcher )
myElemSearcher = SMESH_MeshAlgos::GetElementSearcher( *meshDS );
- SMESH_ElementSearcher* searcher = const_cast<SMESH_ElementSearcher*>(myElemSearcher);
+ SMESH_ElementSearcher* searcher = const_cast<SMESH_ElementSearcher*>( myElemSearcher );
+ SMESHUtils::Deleter<SMESH_ElementSearcher>
+ volSearcher( SMESH_MeshAlgos::GetElementSearcher( *meshDS ));
+ vector< const SMDS_MeshElement* > suspectFaces, foundVolumes;
TColgp_Array1OfPnt PN(1,5);
TColgp_Array1OfVec VN(1,4);
vector<const SMDS_MeshNode*> FNodes(5);
TColgp_SequenceOfPnt aContour;
- SMDS_FaceIteratorPtr fIt = meshDS->facesIterator(/*idInceasingOrder=*/true);
+ SMDS_FaceIteratorPtr fIt = meshDS->facesIterator();
while( fIt->more())
{
const SMDS_MeshElement* face = fIt->next();
gp_Pnt PC;
gp_Vec VNorm;
const SMDS_MeshElement* volumes[2];
- int what = Preparation(face, PN, VN, FNodes, PC, VNorm, volumes);
+ int what = Preparation( face, PN, VN, FNodes, PC, VNorm, volumes );
if ( what == NOT_QUAD )
continue;
if ( volumes[0] && volumes[1] )
- continue; // face is shared by two volumes - no space for a pyramid
+ continue; // face is shared by two volumes - no room for a pyramid
if ( what == DEGEN_QUAD )
{
}
// Restrict pyramid height by intersection with other faces
+
gp_Vec tmpDir(PC,PCbest); tmpDir.Normalize();
double tmp = PN(1).Distance(PN(3)) + PN(2).Distance(PN(4));
// far points: in (PC, PCbest) direction and vice-versa
gp_Pnt intPnt [2];
int intFaceInd [2] = { 0, 0 };
+ if ( toFindVolumes && 0 ) // non-conformal mesh is not suitable for any mesher so far
+ {
+ // there are volumes in the mesh, in a non-conformal mesh a neighbor
+ // volume can be not found yet
+ for ( int isRev = 0; isRev < 2; ++isRev )
+ {
+ if ( volumes[isRev] ) continue;
+ gp_Pnt testPnt = PC.XYZ() + tmpDir.XYZ() * height * ( isRev ? -0.1: 0.1 );
+ foundVolumes.clear();
+ if ( volSearcher->FindElementsByPoint( testPnt, SMDSAbs_Volume, foundVolumes ))
+ volumes[isRev] = foundVolumes[0];
+ }
+ if ( volumes[0] && volumes[1] )
+ continue; // no room for a pyramid
+ }
+
gp_Ax1 line( PC, tmpDir );
- vector< const SMDS_MeshElement* > suspectFaces;
+ suspectFaces.clear();
searcher->GetElementsNearLine( line, SMDSAbs_Face, suspectFaces);
for ( size_t iF = 0; iF < suspectFaces.size(); ++iF )
gp_Pnt intP;
for ( int isRev = 0; isRev < 2; ++isRev )
{
- if( !volumes[isRev] && HasIntersection(farPnt[isRev], PC, intP, aContour) )
+ if( !volumes[isRev] && HasIntersection( farPnt[isRev], PC, intP, aContour ))
{
double d = PC.Distance( intP );
if ( d < dist2int[isRev] )