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0028053: Regressions in HLR when FPE signals are enabled

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Protect Contap_Contour from creation of null-length curves.
This commit is contained in:
msv 2016-11-07 15:49:54 +03:00 committed by abv
parent b070046674
commit 4af9e8a8b7
2 changed files with 6 additions and 1 deletions
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5
src/Contap/Contap_Contour.cxx
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@ -308,9 +308,14 @@ static void LineConstructor(Contap_TheSequenceOfLine& slin,
//-- cout<<"ContapWLine : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl; //-- cout<<"ContapWLine : firtsp="<<firstp<<" lastp="<<lastp<<" Vtx:"<<i<<","<<i+1<<endl;
Handle(IntSurf_LineOn2S) LineOn2S = new IntSurf_LineOn2S(); Handle(IntSurf_LineOn2S) LineOn2S = new IntSurf_LineOn2S();
Contap_Line Line; Contap_Line Line;
Standard_Real aLen = 0.;
for(Standard_Integer j=firstp; j<=lastp; j++) { for(Standard_Integer j=firstp; j<=lastp; j++) {
LineOn2S->Add(L.Point(j)); LineOn2S->Add(L.Point(j));
if (j > firstp)
aLen += L.Point(j).Value().Distance(L.Point(j - 1).Value());
} }
if (aLen < Precision::Confusion())
continue;
Line.SetLineOn2S(LineOn2S); Line.SetLineOn2S(LineOn2S);
Contap_Point pvtx = L.Vertex(i); Contap_Point pvtx = L.Vertex(i);
pvtx.SetParameter(1); pvtx.SetParameter(1);

2
tests/bugs/modalg_6/bug27720_5
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@ -21,6 +21,6 @@ build3d result
fit fit
checkprops result -l 0.841499 checkprops result -l 0.841499
checknbshapes result -vertex 92 -edge 46 checknbshapes result -vertex 94 -edge 47
checkview -screenshot -2d -path ${imagedir}/${test_image}.png checkview -screenshot -2d -path ${imagedir}/${test_image}.png