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0027391: BRepLib::EnsureNormalConsistency() raises exception in case of asynchronious PolygonOnTriangulation problem

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additional check have been added to BRepLib::EnsureNormalConsistency() func.
Any edges with two adjacent faces will be skipped (while updating of their normals) if the number of discretization points (nodes) will be different for each of this faces on this edge.

test case
This commit is contained in:
isn
2016-06-09 17:30:26 +03:00
committed by bugmaster
parent bd80ecfa61
commit 9d671cd1b0
2 changed files with 14 additions and 0 deletions
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4
src/BRepLib/BRepLib.cxx
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@@ -1899,6 +1899,10 @@ Standard_Boolean BRepLib::
TShort_Array1OfShortReal& aNormArr1 = aPT1->ChangeNormals();
TShort_Array1OfShortReal& aNormArr2 = aPT2->ChangeNormals();
if (aPTEF1->Nodes().Lower() != aPTEF2->Nodes().Lower() ||
aPTEF1->Nodes().Upper() != aPTEF2->Nodes().Upper())
continue;
for(Standard_Integer anEdgNode = aPTEF1->Nodes().Lower();
anEdgNode <= aPTEF1->Nodes().Upper(); anEdgNode++)
{

10
tests/bugs/modalg_6/bug27391 Normal file
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@@ -0,0 +1,10 @@
puts "============"
puts "OCC27391"
puts "============"
puts ""
######################################################
# BRepLib::EnsureNormalConsistency() raises exception in case of asynchronious PolygonOnTriangulation problem
######################################################
restore [locate_data_file bug27391_Ficomirrors_ExportBinMoldflow.brep] a
correctnormals a