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IPAL54585: Extrusion 3D algo fails with "OCC exception. Standard_NoSuchObject: NCollection_DataMap::Find" error

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This commit is contained in:
eap 2019-07-01 13:44:54 +03:00
parent 3f88168d83
commit b718a7cc45
5 changed files with 81 additions and 13 deletions
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5
src/SMESH/SMESH_MesherHelper.cxx
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@ -151,8 +151,6 @@ bool SMESH_MesherHelper::IsQuadraticSubMesh(const TopoDS_Shape& aSh)
// we can create quadratic elements only if all elements
// created on sub-shapes of given shape are quadratic
myCreateQuadratic = true;
mySeamShapeIds.clear();
myDegenShapeIds.clear();
TopAbs_ShapeEnum subType( aSh.ShapeType()==TopAbs_FACE ? TopAbs_EDGE : TopAbs_FACE );
if ( aSh.ShapeType()==TopAbs_COMPOUND )
{
@ -741,7 +739,8 @@ gp_XY SMESH_MesherHelper::GetNodeUV(const TopoDS_Face& F,
if ( !C2d.IsNull() ) {
double u = ( V == IthVertex( 0, edge )) ? f : l;
uv = C2d->Value( u );
uvOK = true;
gp_Pnt p = GetSurface( F )->Value( uv );
uvOK = ( p.Distance( BRep_Tool::Pnt( V )) < getFaceMaxTol( F ));
break;
}
}

9
src/SMESHUtils/SMESH_Delaunay.cxx
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@ -40,7 +40,6 @@
* \param [in] boundaryNodes - vector of nodes of a wire
* \param [in] face - the face
* \param [in] faceID - the face ID
* \param [in] nbNodesToVisit - nb of non-marked nodes on the face
*/
//================================================================================
@ -56,6 +55,8 @@ SMESH_Delaunay::SMESH_Delaunay(const std::vector< const UVPtStructVec* > & bound
const int nbDiv = 100;
const double uRange = surf.LastUParameter() - surf.FirstUParameter();
const double vRange = surf.LastVParameter() - surf.FirstVParameter();
const double uFixed = surf.FirstUParameter() + 0.5 * uRange;
const double vFixed = surf.FirstVParameter() + 0.5 * vRange;
const double dU = uRange / nbDiv;
const double dV = vRange / nbDiv;
double u = surf.FirstUParameter(), v = surf.FirstVParameter();
@ -63,10 +64,10 @@ SMESH_Delaunay::SMESH_Delaunay(const std::vector< const UVPtStructVec* > & bound
double lenU = 0, lenV = 0;
for ( ; u < surf.LastUParameter(); u += dU, v += dV )
{
gp_Pnt p1U = surf.Value( u, surf.FirstVParameter() );
gp_Pnt p1U = surf.Value( u, vFixed );
lenU += p1U.Distance( p0U );
p0U = p1U;
gp_Pnt p1V = surf.Value( surf.FirstUParameter(), v );
gp_Pnt p1V = surf.Value( uFixed, v );
lenV += p1V.Distance( p0V );
p0V = p1V;
}
@ -270,6 +271,8 @@ const BRepMesh_Triangle* SMESH_Delaunay::FindTriangle( const gp_XY&
const BRepMesh_Triangle* SMESH_Delaunay::GetTriangleNear( int iBndNode )
{
if ( iBndNode >= _triaDS->NbNodes() )
return 0;
int nodeIDs[3];
int nbNbNodes = _bndNodes.size();
#if OCC_VERSION_LARGE <= 0x07030000

9
src/SMESHUtils/SMESH_Slot.cxx
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@ -127,6 +127,15 @@ namespace
return 0;
if ( myFreeEnds.empty() )
{
// remove degenerated cuts
// for ( size_t iC1 = 0; iC1 < myCuts.size(); ++iC1 )
// if ( myCuts[ iC1 ][ 0 ].myNode == myCuts[ iC1 ][ 1 ].myNode )
// {
// if ( iC1 < myCuts.size() - 1 )
// myCuts[ iC1 ] = myCuts.back();
// myCuts.pop_back();
// }
int nbShared = 0;
std::vector< bool > isSharedPnt( myCuts.size() * 2, false );
for ( size_t iC1 = 0; iC1 < myCuts.size() - 1; ++iC1 )

37
src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
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@ -4336,6 +4336,7 @@ void StdMeshers_Quadrangle_2D::smooth (FaceQuadStruct::Ptr quad)
SMESH_TNodeXYZ a2( quad->UVPt( nbhoriz-1, nbvertic-1 ).node );
SMESH_TNodeXYZ a3( quad->UVPt( 0, nbvertic-1 ).node );
// compute TFI
for (int i = 1; i < nbhoriz-1; i++)
{
SMESH_TNodeXYZ p0( quad->UVPt( i, 0 ).node );
@ -4347,13 +4348,39 @@ void StdMeshers_Quadrangle_2D::smooth (FaceQuadStruct::Ptr quad)
UVPtStruct& uvp = quad->UVPt( i, j );
gp_Pnt p = myHelper->calcTFI(uvp.x,uvp.y, a0,a1,a2,a3, p0,p1,p2,p3);
gp_Pnt pnew = myHelper->calcTFI(uvp.x,uvp.y, a0,a1,a2,a3, p0,p1,p2,p3);
meshDS->MoveNode( uvp.node, pnew.X(), pnew.Y(), pnew.Z() );
}
}
// project to surface
double cellSize;
for (int i = 1; i < nbhoriz-1; i++)
{
for (int j = 1; j < nbvertic-1; j++)
{
UVPtStruct& uvp = quad->UVPt( i, j );
SMESH_NodeXYZ p = uvp.node;
cellSize = Max( p.SquareDistance( quad->UVPt( i+1, j ).node ),
p.SquareDistance( quad->UVPt( i-1, j ).node ));
cellSize = Max( p.SquareDistance( quad->UVPt( i, j+1 ).node ), cellSize );
cellSize = Max( p.SquareDistance( quad->UVPt( i, j-1 ).node ), cellSize );
gp_Pnt2d uv = surface->NextValueOfUV( uvp.UV(), p, 10*tol );
gp_Pnt pnew = surface->Value( uv );
meshDS->MoveNode( uvp.node, pnew.X(), pnew.Y(), pnew.Z() );
uvp.u = uv.X();
uvp.v = uv.Y();
bool ok = ( pnew.SquareDistance( p ) < 2 * cellSize );
if ( !ok )
{
uv = surface->ValueOfUV( p, 10*tol );
pnew = surface->Value( uv );
ok = ( pnew.SquareDistance( p ) < 2 * cellSize );
}
if ( ok )
{
meshDS->MoveNode( uvp.node, pnew.X(), pnew.Y(), pnew.Z() );
uvp.u = uv.X();
uvp.v = uv.Y();
}
}
}
}

34
src/StdMeshers/StdMeshers_RadialQuadrangle_1D2D.cxx
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@ -226,12 +226,19 @@ namespace
if ( nbWire > 2 || nbEdgesInWire.front() < 1 ) return 0;
// remove degenerated EDGEs
TopTools_MapOfShape degenVV;
list<TopoDS_Edge>::iterator edge = edges.begin();
while ( edge != edges.end() )
if ( SMESH_Algo::isDegenerated( *edge ))
{
degenVV.Add( SMESH_MesherHelper::IthVertex( 0, *edge ));
degenVV.Add( SMESH_MesherHelper::IthVertex( 1, *edge ));
edge = edges.erase( edge );
}
else
{
++edge;
}
int nbEdges = edges.size();
// find VERTEXes between continues EDGEs
@ -327,9 +334,25 @@ namespace
double len1 = (++l2i)->first;
double len2 = (++l2i)->first;
if ( len1 - len0 > len2 - len1 )
deviation2sideInd.insert( make_pair( 0., len2sideInd.begin()->second ));
deviation2sideInd.insert( std::make_pair( 0., len2sideInd.begin()->second ));
else
deviation2sideInd.insert( make_pair( 0., len2sideInd.rbegin()->second ));
deviation2sideInd.insert( std::make_pair( 0., len2sideInd.rbegin()->second ));
}
double minDevi = deviation2sideInd.begin()->first;
int iMinCurv = deviation2sideInd.begin()->second;
if ( sides.size() == 3 && degenVV.Size() == 1 &&
minDevi / sides[ iMinCurv ]->Length() > 1e-3 )
{
// a triangle with curved sides and a degenerated EDGE (IPAL54585);
// use a side opposite to the degenerated EDGE as an elliptic one
for ( size_t iS = 0; iS < sides.size(); ++iS )
if ( degenVV.Contains( sides[ iS ]->FirstVertex() ))
{
deviation2sideInd.clear();
deviation2sideInd.insert( std::make_pair( 0.,( iS + 1 ) % sides.size() ));
break;
}
}
int iCirc = deviation2sideInd.rbegin()->second;
@ -994,6 +1017,7 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh& aMesh,
quad->side[1] = linSide1;
quad->side[2] = StdMeshers_FaceSide::New( circSide.get(), centerNode, &centerUV );
quad->side[3] = linSide2;
quad->face = F;
myQuadList.push_back( quad );
@ -1004,6 +1028,12 @@ bool StdMeshers_RadialQuadrangle_1D2D::Compute(SMESH_Mesh& aMesh,
else
ok = StdMeshers_Quadrangle_2D::computeTriangles( aMesh, F, quad );
if ( helper.HasDegeneratedEdges() )
{
StdMeshers_Quadrangle_2D::myNeedSmooth = true;
StdMeshers_Quadrangle_2D::smooth( quad );
}
StdMeshers_Quadrangle_2D::myHelper = 0;
return ok;