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0033263: Modeling Algorithms - BRepFilletAPI_MakeFillet doesn't work for current parameters

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Do not calculate edge state if there are more than 4 G1 connections for currect vertex.
This commit is contained in:
akaftasev 2023-02-09 18:36:01 +03:00 committed by vglukhik
parent 6d140acb14
commit 86e352849d
2 changed files with 23 additions and 2 deletions
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7
src/ChFi3d/ChFi3d_Builder_1.cxx
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@ -692,7 +692,6 @@ void ChFi3d_Builder::PerformExtremity (const Handle(ChFiDS_Spine)& Spine)
else{
sst = Spine->LastStatus();
iedge = Spine->NbEdges();
E[0] = Spine->Edges(iedge);
V = Spine->LastVertex();
}
//Before all it is checked if the tangency is not dead.
@ -703,6 +702,7 @@ void ChFi3d_Builder::PerformExtremity (const Handle(ChFiDS_Spine)& Spine)
}
if(sst == ChFiDS_BreakPoint){
Standard_Integer aLocNbG1Connections = 0;
TopTools_ListIteratorOfListOfShape It;//,Jt;
Standard_Boolean sommetpourri = Standard_False;
TopTools_IndexedMapOfOrientedShape EdgesOfV;
@ -720,7 +720,10 @@ void ChFi3d_Builder::PerformExtremity (const Handle(ChFiDS_Spine)& Spine)
if (!F2.IsNull() && ChFi3d::IsTangentFaces(anEdge, F1, F2, GeomAbs_G2)) //smooth edge
{
if (!F1.IsSame(F2))
{
NbG1Connections++;
aLocNbG1Connections++;
}
continue;
}
@ -759,7 +762,7 @@ void ChFi3d_Builder::PerformExtremity (const Handle(ChFiDS_Spine)& Spine)
if (EdgesOfV.Extent() != 3)
sommetpourri = Standard_True;
if(!sommetpourri){
if(!sommetpourri && aLocNbG1Connections < 4){
sst = ChFi3d_EdgeState(E,myEFMap);
}
if(ii==1)Spine->SetFirstStatus(sst);

18
tests/bugs/modalg_8/bug33113 Normal file
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@ -0,0 +1,18 @@
puts "================================"
puts "OCC33113: Modeling Algorithms - BRepFilletAPI_MakeFillet::Build SIGSEGV"
puts "================================"
restore [locate_data_file bug33113.brep] sh
explode sh e
copy sh_4 e
explode sh So
copy sh_1 s
fillet res s 0.1 e
checkshape res
checkview -display res -3d -path ${imagedir}/${test_image}.png