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Fix regression SALOME_TESTS/Grids/smesh/3D_mesh_Projection_00/A1

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StdMeshers_Projection_2D.cxx

+ fix failure of IPAL52648: Incorrect vicous layer elements
This commit is contained in:
eap 2016-05-18 20:29:08 +03:00
parent 81bd7bc865
commit 1a28a08237
3 changed files with 151 additions and 63 deletions
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2
src/DriverMED/DriverMED_R_SMESHDS_Mesh.cxx
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@ -42,7 +42,7 @@
//#include <stdlib.h>
#ifdef _DEBUG_
static int MYDEBUG = 1;
static int MYDEBUG = 0;
//#define _DEXCEPT_
#else
static int MYDEBUG = 0;

2
src/StdMeshers/StdMeshers_Projection_2D.cxx
View File

@ -1161,7 +1161,7 @@ namespace {
SMESH_Mesh* srcMesh,
TAssocTool::TShapeShapeMap & assocMap)
{
if ( !tgtHelper.HasRealSeam() )
if ( !tgtHelper.HasRealSeam() || srcFace.ShapeType() != TopAbs_FACE )
return; // no seam edge
list< TopoDS_Edge > tgtEdges, srcEdges;
list< int > tgtNbEW, srcNbEW;

210
src/StdMeshers/StdMeshers_ViscousLayers.cxx
View File

@ -49,6 +49,7 @@
#include <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_Curve2d.hxx>
#include <BRepAdaptor_Surface.hxx>
//#include <BRepLProp_CLProps.hxx>
#include <BRepLProp_SLProps.hxx>
#include <BRepOffsetAPI_MakeOffsetShape.hxx>
#include <BRep_Tool.hxx>
@ -1000,6 +1001,7 @@ namespace VISCOUS_3D
{
gp_XYZ _xyz; // coord of a point inflated from EDGE w/o smooth
double _len; // length reached at previous inflation step
double _param; // on EDGE
_2NearEdges _2edges; // 2 neighbor _LayerEdge's
double Distance( const OffPnt& p ) const { return ( _xyz - p._xyz ).Modulus(); }
};
@ -1009,6 +1011,7 @@ namespace VISCOUS_3D
_LayerEdge _leOnV[2]; // _LayerEdge's holding normal to the EDGE at VERTEXes
size_t _iSeg[2]; // index of segment where extreme tgt node is projected
_EdgesOnShape& _eos;
double _curveLen; // length of the EDGE
static Handle(Geom_Curve) CurveForSmooth( const TopoDS_Edge& E,
_EdgesOnShape& eos,
@ -3880,11 +3883,11 @@ gp_XYZ _OffsetPlane::GetCommonPoint(bool& isFound) const
if ( NbLines() == 2 )
{
gp_Vec lPerp0 = _lines[0].Direction().XYZ() ^ _plane.Axis().Direction().XYZ();
gp_Vec l0l1 = _lines[1].Location().XYZ() - _lines[0].Location().XYZ();
double dot01 = lPerp0 * _lines[1].Direction().XYZ();
if ( Abs( dot01 ) > std::numeric_limits<double>::min() )
{
double u1 = - ( lPerp0 * l0l1 ) / dot01;
gp_Vec l0l1 = _lines[1].Location().XYZ() - _lines[0].Location().XYZ();
double u1 = - ( lPerp0 * l0l1 ) / dot01;
p = ( _lines[1].Location().XYZ() + _lines[1].Direction().XYZ() * u1 );
isFound = true;
}
@ -4417,7 +4420,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
bool moved, improved;
double vol;
vector< _LayerEdge* > movedEdges, badSmooEdges;
vector< _LayerEdge* > movedEdges, badEdges;
vector< _EdgesOnShape* > eosC1; // C1 continues shapes
vector< bool > isConcaveFace;
@ -4520,13 +4523,13 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
makeOffsetSurface( *eosC1[ iEOS ], helper );
}
int step = 0, stepLimit = 5, badNb = 0;
int step = 0, stepLimit = 5, nbBad = 0;
while (( ++step <= stepLimit ) || improved )
{
dumpFunction(SMESH_Comment("smooth")<<data._index<<"_Fa"<<sInd
<<"_InfStep"<<infStep<<"_"<<step); // debug
int oldBadNb = badNb;
badSmooEdges.clear();
int oldBadNb = nbBad;
badEdges.clear();
#ifdef INCREMENTAL_SMOOTH
bool findBest = false; // ( step == stepLimit );
@ -4534,7 +4537,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
{
movedEdges[i]->Unset( _LayerEdge::SMOOTHED );
if ( movedEdges[i]->Smooth( step, findBest, movedEdges ) > 0 )
badSmooEdges.push_back( movedEdges[i] );
badEdges.push_back( movedEdges[i] );
}
#else
bool findBest = ( step == stepLimit || isConcaveFace[ iEOS ]);
@ -4545,18 +4548,18 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
{
edges[i]->Unset( _LayerEdge::SMOOTHED );
if ( edges[i]->Smooth( step, findBest, false ) > 0 )
badSmooEdges.push_back( eos._edges[i] );
badEdges.push_back( eos._edges[i] );
}
}
#endif
badNb = badSmooEdges.size();
nbBad = badEdges.size();
if ( badNb > 0 )
debugMsg(SMESH_Comment("badNb = ") << badNb );
if ( nbBad > 0 )
debugMsg(SMESH_Comment("nbBad = ") << nbBad );
if ( !badSmooEdges.empty() && step >= stepLimit / 2 )
if ( !badEdges.empty() && step >= stepLimit / 2 )
{
if ( badSmooEdges[0]->Is( _LayerEdge::ON_CONCAVE_FACE ))
if ( badEdges[0]->Is( _LayerEdge::ON_CONCAVE_FACE ))
stepLimit = 9;
// resolve hard smoothing situation around concave VERTEXes
@ -4565,26 +4568,26 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
vector< _EdgesOnShape* > & eosCoVe = eosC1[ iEOS ]->_eosConcaVer;
for ( size_t i = 0; i < eosCoVe.size(); ++i )
eosCoVe[i]->_edges[0]->MoveNearConcaVer( eosCoVe[i], eosC1[ iEOS ],
step, badSmooEdges );
step, badEdges );
}
// look for the best smooth of _LayerEdge's neighboring badSmooEdges
badNb = 0;
for ( size_t i = 0; i < badSmooEdges.size(); ++i )
// look for the best smooth of _LayerEdge's neighboring badEdges
nbBad = 0;
for ( size_t i = 0; i < badEdges.size(); ++i )
{
_LayerEdge* ledge = badSmooEdges[i];
_LayerEdge* ledge = badEdges[i];
for ( size_t iN = 0; iN < ledge->_neibors.size(); ++iN )
{
ledge->_neibors[iN]->Unset( _LayerEdge::SMOOTHED );
badNb += ledge->_neibors[iN]->Smooth( step, true, /*findBest=*/true );
nbBad += ledge->_neibors[iN]->Smooth( step, true, /*findBest=*/true );
}
ledge->Unset( _LayerEdge::SMOOTHED );
badNb += ledge->Smooth( step, true, /*findBest=*/true );
nbBad += ledge->Smooth( step, true, /*findBest=*/true );
}
debugMsg(SMESH_Comment("badNb = ") << badNb );
debugMsg(SMESH_Comment("nbBad = ") << nbBad );
}
if ( badNb == oldBadNb &&
badNb > 0 &&
if ( nbBad == oldBadNb &&
nbBad > 0 &&
step < stepLimit ) // smooth w/o chech of validity
{
dumpFunctionEnd();
@ -4598,11 +4601,11 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
stepLimit++;
}
improved = ( badNb < oldBadNb );
improved = ( nbBad < oldBadNb );
dumpFunctionEnd();
if (( step % 3 == 1 ) || ( badNb > 0 && step >= stepLimit / 2 ))
if (( step % 3 == 1 ) || ( nbBad > 0 && step >= stepLimit / 2 ))
for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS )
{
putOnOffsetSurface( *eosC1[ iEOS ], infStep, step, /*moveAll=*/step == 1 );
@ -4613,13 +4616,13 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
// project -- to prevent intersections or fix bad simplices
for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS )
{
if ( ! eosC1[ iEOS ]->_eosConcaVer.empty() || badNb > 0 )
if ( ! eosC1[ iEOS ]->_eosConcaVer.empty() || nbBad > 0 )
putOnOffsetSurface( *eosC1[ iEOS ], infStep );
}
if ( !badSmooEdges.empty() )
if ( !badEdges.empty() )
{
badSmooEdges.clear();
badEdges.clear();
for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS )
{
for ( size_t i = 0; i < eosC1[ iEOS ]->_edges.size(); ++i )
@ -4627,8 +4630,8 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
if ( !eosC1[ iEOS ]->_sWOL.IsNull() ) continue;
_LayerEdge* edge = eosC1[ iEOS ]->_edges[i];
edge->CheckNeiborsOnBoundary( & badSmooEdges );
if ( badNb > 0 )
edge->CheckNeiborsOnBoundary( & badEdges );
if ( nbBad > 0 )
{
SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back();
const gp_XYZ& prevXYZ = edge->PrevCheckPos();
@ -4639,7 +4642,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
<< " "<< tgtXYZ._node->GetID()
<< " "<< edge->_simplices[j]._nPrev->GetID()
<< " "<< edge->_simplices[j]._nNext->GetID() << " )" );
badSmooEdges.push_back( edge );
badEdges.push_back( edge );
break;
}
}
@ -4647,9 +4650,9 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
}
// try to fix bad simplices by removing the last inflation step of some _LayerEdge's
badNb = invalidateBadSmooth( data, helper, badSmooEdges, eosC1, infStep );
nbBad = invalidateBadSmooth( data, helper, badEdges, eosC1, infStep );
if ( badNb > 0 )
if ( nbBad > 0 )
return false;
}
@ -4667,7 +4670,7 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
!eos._sWOL.IsNull() )
continue;
badSmooEdges.clear();
badEdges.clear();
for ( size_t i = 0; i < eos._edges.size(); ++i )
{
_LayerEdge* edge = eos._edges[i];
@ -4682,15 +4685,15 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
<< " "<< tgtXYZ._node->GetID()
<< " "<< edge->_simplices[j]._nPrev->GetID()
<< " "<< edge->_simplices[j]._nNext->GetID() << " )" );
badSmooEdges.push_back( edge );
badEdges.push_back( edge );
break;
}
}
// try to fix bad simplices by removing the last inflation step of some _LayerEdge's
eosC1[0] = &eos;
int badNb = invalidateBadSmooth( data, helper, badSmooEdges, eosC1, infStep );
if ( badNb > 0 )
int nbBad = invalidateBadSmooth( data, helper, badEdges, eosC1, infStep );
if ( nbBad > 0 )
return false;
}
@ -4723,12 +4726,46 @@ bool _ViscousBuilder::smoothAndCheck(_SolidData& data,
eos._edges[i]->Is( _LayerEdge::MULTI_NORMAL ))
continue;
if ( eos._edges[i]->FindIntersection( *searcher, dist, data._epsilon, eos, &intFace ))
return false;
{
// Collision; try to deflate _LayerEdge's causing it
badEdges.clear();
badEdges.push_back( eos._edges[i] );
eosC1[0] = & eos;
int nbBad = invalidateBadSmooth( data, helper, badEdges, eosC1, infStep );
if ( nbBad > 0 )
return false;
badEdges.clear();
if ( _EdgesOnShape* eof = data.GetShapeEdges( intFace->getshapeId() ))
{
if ( const _TmpMeshFace* f = dynamic_cast< const _TmpMeshFace*>( intFace ))
{
const SMDS_MeshElement* srcFace =
eof->_subMesh->GetSubMeshDS()->GetElement( f->getIdInShape() );
SMDS_ElemIteratorPtr nIt = srcFace->nodesIterator();
while ( nIt->more() )
{
const SMDS_MeshNode* srcNode = static_cast<const SMDS_MeshNode*>( nIt->next() );
TNode2Edge::iterator n2e = data._n2eMap.find( srcNode );
if ( n2e != data._n2eMap.end() )
badEdges.push_back( n2e->second );
}
eosC1[0] = eof;
nbBad = invalidateBadSmooth( data, helper, badEdges, eosC1, infStep );
if ( nbBad > 0 )
return false;
}
}
if ( eos._edges[i]->FindIntersection( *searcher, dist, data._epsilon, eos, &intFace ))
return false;
else
continue;
}
if ( !intFace )
{
SMESH_Comment msg("Invalid? normal at node "); msg << eos._edges[i]->_nodes[0]->GetID();
debugMsg( msg );
continue;
continue;
}
const bool isShorterDist = ( distToIntersection > dist );
@ -4849,7 +4886,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data,
dumpFunction(SMESH_Comment("invalidateBadSmooth")<<"_S"<<eosC1[0]->_shapeID<<"_InfStep"<<infStep);
data.UnmarkEdges();
//data.UnmarkEdges();
double vol;
//size_t iniNbBad = badSmooEdges.size();
@ -4862,7 +4899,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data,
_EdgesOnShape* eos = data.GetShapeEdges( edge );
edge->InvalidateStep( edge->NbSteps(), *eos, /*restoreLength=*/true );
edge->Block( data );
edge->Set( _LayerEdge::MARKED );
//edge->Set( _LayerEdge::MARKED );
// look for _LayerEdge's of bad _simplices
SMESH_TNodeXYZ tgtXYZ = edge->_nodes.back();
@ -4900,7 +4937,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data,
// check result of invalidation
int badNb = 0;
int nbBad = 0;
for ( size_t iEOS = 0; iEOS < eosC1.size(); ++iEOS )
{
for ( size_t i = 0; i < eosC1[ iEOS ]->_edges.size(); ++i )
@ -4912,7 +4949,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data,
for ( size_t j = 0; j < edge->_simplices.size(); ++j )
if ( !edge->_simplices[j].IsForward( &prevXYZ, &tgtXYZ, vol ))
{
++badNb;
++nbBad;
debugMsg("Bad simplex remains ( " << edge->_nodes[0]->GetID()
<< " "<< tgtXYZ._node->GetID()
<< " "<< edge->_simplices[j]._nPrev->GetID()
@ -4922,7 +4959,7 @@ int _ViscousBuilder::invalidateBadSmooth( _SolidData& data,
}
dumpFunctionEnd();
return badNb;
return nbBad;
}
//================================================================================
@ -5329,7 +5366,7 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data,
if ( _offPoints.empty() )
return false;
// move _offPoints to a new position
// move _offPoints to positions along normals of _LayerEdge's
_LayerEdge* e[2] = { getLEdgeOnV(0), getLEdgeOnV(1) };
if ( e[0]->Is( _LayerEdge::NORMAL_UPDATED )) setNormalOnV( 0, helper );
@ -5377,7 +5414,8 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data,
int i = _iSeg[ is2nd ];
int di = is2nd ? -1 : +1;
bool projected = false;
double uOnSeg, uOnSegDiff, uOnSegBestDiff = Precision::Infinite();
double uOnSeg, uOnSegDiff, uOnSegBestDiff = Precision::Infinite(), uOnSegPrevDiff;
int nbWorse = 0;
do {
gp_Vec v0p( _offPoints[i]._xyz, pExtreme[ is2nd ] );
gp_Vec v01( _offPoints[i]._xyz, _offPoints[i+1]._xyz );
@ -5390,6 +5428,12 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data,
pProj[ is2nd ] = _offPoints[i]._xyz + ( v01 * uOnSeg ).XYZ();
uOnSegBestDiff = uOnSegDiff;
}
else if ( uOnSegDiff > uOnSegPrevDiff )
{
if ( ++nbWorse > 3 ) // avoid projection to the middle of a closed EDGE
break;
}
uOnSegPrevDiff = uOnSegDiff;
i += di;
}
while ( !projected &&
@ -5479,10 +5523,14 @@ bool _Smoother1D::smoothComplexEdge( _SolidData& data,
void _Smoother1D::prepare(_SolidData& data)
{
// sort _LayerEdge's by position on the EDGE
const TopoDS_Edge& E = TopoDS::Edge( _eos._shape );
_curveLen = SMESH_Algo::EdgeLength( E );
// sort _LayerEdge's by position on the EDGE
data.SortOnEdge( E, _eos._edges );
SMESH_MesherHelper& helper = data.GetHelper();
// compute normalized param of _eos._edges on EDGE
_leParams.resize( _eos._edges.size() + 1 );
{
@ -5499,10 +5547,46 @@ void _Smoother1D::prepare(_SolidData& data)
pPrev = p;
}
double fullLen = _leParams.back() + pPrev.Distance( SMESH_TNodeXYZ( getLEdgeOnV(1)->_nodes[0]));
for ( size_t i = 0; i < _leParams.size(); ++i )
for ( size_t i = 0; i < _leParams.size()-1; ++i )
_leParams[i] = _leParams[i+1] / fullLen;
}
// find intersection of neighbor _LayerEdge's to limit _maxLen
// according to EDGE curvature (IPAL52648)
_LayerEdge* e0 = _eos._edges[0];
for ( size_t i = 1; i < _eos._edges.size(); ++i )
{
_LayerEdge* ei = _eos._edges[i];
gp_XYZ plnNorm = e0->_normal ^ ei->_normal;
gp_XYZ perp0 = e0->_normal ^ plnNorm;
double dot0i = perp0 * ei->_normal;
if ( Abs( dot0i ) > std::numeric_limits<double>::min() )
{
SMESH_TNodeXYZ srci( ei->_nodes[0] ), src0( e0->_nodes[0] );
double ui = ( perp0 * ( src0 - srci )) / dot0i;
if ( ui > 0 )
{
ei->_maxLen = Min( ei->_maxLen, 0.75 * ui / ei->_lenFactor );
if ( ei->_maxLen < ei->_len )
{
ei->InvalidateStep( ei->NbSteps(), _eos, /*restoreLength=*/true );
ei->SetNewLength( ei->_maxLen, _eos, helper );
ei->Block( data );
}
gp_Pnt pi = srci + ei->_normal * ui;
double u0 = pi.Distance( src0 );
e0->_maxLen = Min( e0->_maxLen, 0.75 * u0 / e0->_lenFactor );
if ( e0->_maxLen < e0->_len )
{
e0->InvalidateStep( e0->NbSteps(), _eos, /*restoreLength=*/true );
e0->SetNewLength( e0->_maxLen, _eos, helper );
e0->Block( data );
}
}
}
e0 = ei;
}
if ( isAnalytic() )
return;
@ -8602,6 +8686,10 @@ void _LayerEdge::Block( _SolidData& data )
minDist = Min( pSrc.SquareDistance( pTgtN ), minDist );
minDist = Min( pTgt.SquareDistance( pSrcN ), minDist );
double newMaxLen = edge->_maxLen + 0.5 * Sqrt( minDist );
if ( edge->_nodes[0]->getshapeId() == neibor->_nodes[0]->getshapeId() )
{
newMaxLen *= edge->_lenFactor / neibor->_lenFactor;
}
if ( neibor->_maxLen > newMaxLen )
{
neibor->_maxLen = newMaxLen;
@ -9446,7 +9534,7 @@ bool _ViscousBuilder::shrink()
// ==================
bool shrinked = true;
int badNb, shriStep=0, smooStep=0;
int nbBad, shriStep=0, smooStep=0;
_SmoothNode::SmoothType smoothType
= isConcaveFace ? _SmoothNode::ANGULAR : _SmoothNode::LAPLACIAN;
SMESH_Comment errMsg;
@ -9477,22 +9565,22 @@ bool _ViscousBuilder::shrink()
// -----------------
int nbNoImpSteps = 0;
bool moved = true;
badNb = 1;
while (( nbNoImpSteps < 5 && badNb > 0) && moved)
nbBad = 1;
while (( nbNoImpSteps < 5 && nbBad > 0) && moved)
{
dumpFunction(SMESH_Comment("shrinkFace")<<f2sd->first<<"_st"<<++smooStep); // debug
int oldBadNb = badNb;
badNb = 0;
int oldBadNb = nbBad;
nbBad = 0;
moved = false;
// '% 5' minimizes NB FUNCTIONS on viscous_layers_00/B2 case
_SmoothNode::SmoothType smooTy = ( smooStep % 5 ) ? smoothType : _SmoothNode::LAPLACIAN;
for ( size_t i = 0; i < nodesToSmooth.size(); ++i )
{
moved |= nodesToSmooth[i].Smooth( badNb, surface, helper, refSign,
moved |= nodesToSmooth[i].Smooth( nbBad, surface, helper, refSign,
smooTy, /*set3D=*/isConcaveFace);
}
if ( badNb < oldBadNb )
if ( nbBad < oldBadNb )
nbNoImpSteps = 0;
else
nbNoImpSteps++;
@ -9501,7 +9589,7 @@ bool _ViscousBuilder::shrink()
}
errMsg.clear();
if ( badNb > 0 )
if ( nbBad > 0 )
errMsg << "Can't shrink 2D mesh on face " << f2sd->first;
if ( shriStep > 200 )
errMsg << "Infinite loop at shrinking 2D mesh on face " << f2sd->first;
@ -9548,7 +9636,7 @@ bool _ViscousBuilder::shrink()
// dumpFunction(SMESH_Comment("shrinkFace")<<f2sd->first<<"_st"<<++smooStep); // debug
// for ( size_t i = 0; i < nodesToSmooth.size(); ++i )
// {
// nodesToSmooth[i].Smooth( badNb,surface,helper,refSign,
// nodesToSmooth[i].Smooth( nbBad,surface,helper,refSign,
// _SmoothNode::LAPLACIAN,/*set3D=*/false);
// }
// }
@ -9735,7 +9823,7 @@ bool _ViscousBuilder::shrink()
dumpFunction(SMESH_Comment("shrinkFace")<<f2sd->first<<"_st"<<++smooStep); // debug
for ( size_t i = 0; i < nodesToSmooth.size(); ++i )
{
nodesToSmooth[i].Smooth( badNb,surface,helper,refSign,
nodesToSmooth[i].Smooth( nbBad,surface,helper,refSign,
smoothType,/*set3D=*/st==1 );
}
dumpFunctionEnd();
@ -10148,7 +10236,7 @@ bool _LayerEdge::SetNewLength2d( Handle(Geom_Surface)& surface,
*/
//================================================================================
bool _SmoothNode::Smooth(int& badNb,
bool _SmoothNode::Smooth(int& nbBad,
Handle(Geom_Surface)& surface,
SMESH_MesherHelper& helper,
const double refSign,
@ -10229,7 +10317,7 @@ bool _SmoothNode::Smooth(int& badNb,
if ( nbOkAfter < nbOkBefore )
{
badNb += _simplices.size() - nbOkBefore;
nbBad += _simplices.size() - nbOkBefore;
return false;
}
@ -10247,7 +10335,7 @@ bool _SmoothNode::Smooth(int& badNb,
dumpMove( _node );
}
badNb += _simplices.size() - nbOkAfter;
nbBad += _simplices.size() - nbOkAfter;
return ( (tgtUV-newPos).SquareModulus() > 1e-10 );
}