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[bos #29856] [CEA 29854] FixQuadraticElements crash

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This commit is contained in:
eap 2022-05-05 15:04:13 +03:00
parent f4fda5460f
commit 41ad074a84
1 changed files with 23 additions and 4 deletions
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27
src/SMESH/SMESH_MesherHelper.cxx
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@ -4985,13 +4985,20 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
SMESH_MesherHelper h(*myMesh);
h.SetSubShape( s.Current() );
h.ToFixNodeParameters(true);
h.FixQuadraticElements( compError, false );
try {
OCC_CATCH_SIGNALS;
h.FixQuadraticElements( compError, false );
}
catch(...) {
if ( compError && compError->myComment.empty() )
compError->myComment = "SMESH_MesherHelper::FixQuadraticElements() failed";
}
}
}
// fix nodes on geom faces
#ifdef _DEBUG_
int nbfaces = nbSolids;
nbfaces = faces.Extent(); /*avoid "unused varianbles": */ nbfaces++, nbfaces--;
nbfaces = faces.Extent(); /*avoid "unused varianbles": */ nbfaces++, nbfaces--;
#endif
for ( TopTools_MapIteratorOfMapOfShape fIt( faces ); fIt.More(); fIt.Next() ) {
MESSAGE("FIX FACE " << nbfaces-- << " #" << GetMeshDS()->ShapeToIndex(fIt.Key()));
@ -4999,7 +5006,14 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
SMESH_MesherHelper h(*myMesh);
h.SetSubShape( fIt.Key() );
h.ToFixNodeParameters(true);
h.FixQuadraticElements( compError, true);
try {
OCC_CATCH_SIGNALS;
h.FixQuadraticElements( compError, true);
}
catch(...) {
if ( compError && compError->myComment.empty() )
compError->myComment = "SMESH_MesherHelper::FixQuadraticElements() failed";
}
}
//perf_print_all_meters(1);
if ( compError && compError->myName == EDITERR_NO_MEDIUM_ON_GEOM )
@ -5207,8 +5221,10 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
while ( len < numeric_limits<double>::min() ) { // remove degenerated link
if ( savedChain.empty() ) savedChain = chain;
link1 = chain.erase( link1 );
if ( link1 == chain.end() )
if ( link1 == chain.end() ) {
link1 = --chain.end();
break;
}
len = ((*link0)->MiddlePnt() - (*link1)->MiddlePnt()).Modulus();
}
chainLen += len;
@ -5225,6 +5241,9 @@ void SMESH_MesherHelper::FixQuadraticElements(SMESH_ComputeErrorPtr& compError,
linkPos.push_back( chainLen );
}
}
if ( chain.begin() == --chain.end() ) // chain.size() == 1
continue;
gp_Vec move0 = chain.front()->_nodeMove;
gp_Vec move1 = chain.back ()->_nodeMove;