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0024964: ThruSections crashes the DRAW.exe

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Test case for issue CR24964
This commit is contained in:
jgv
2014-06-19 13:27:27 +04:00
committed by apn
parent 9bdafcbe2d
commit e01907f12a
2 changed files with 189 additions and 158 deletions
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12
src/BRepOffsetAPI/BRepOffsetAPI_ThruSections.cxx
View File

@@ -932,7 +932,6 @@ Handle(Geom_BSplineSurface) BRepOffsetAPI_ThruSections::
const Standard_Boolean vClosed) const
{
Standard_Integer i,j,jdeb=1,jfin=NbSects;
TopoDS_Edge edge;
TopoDS_Vertex vf,vl;
GeomFill_SectionGenerator section;
@@ -943,7 +942,7 @@ Handle(Geom_BSplineSurface) BRepOffsetAPI_ThruSections::
if (w1Point) {
jdeb++;
edge = TopoDS::Edge(shapes(1));
TopoDS_Edge edge = TopoDS::Edge(shapes(1));
TopExp::Vertices(edge,vl,vf);
TColgp_Array1OfPnt Extremities(1,2);
Extremities(1) = BRep_Tool::Pnt(vf);
@@ -981,10 +980,15 @@ Handle(Geom_BSplineSurface) BRepOffsetAPI_ThruSections::
for (i=2; i<=NbEdges; i++) {
// read the edge
TopoDS_Edge aNextEdge = TopoDS::Edge (shapes((j-1)*NbEdges+i));
Standard_Real aTolV = Precision::Confusion();
TopExp::Vertices(aNextEdge,vf,vl);
aTolV = Max(aTolV, BRep_Tool::Tolerance(vf));
aTolV = Max(aTolV, BRep_Tool::Tolerance(vl));
aTolV = Min(aTolV, 1.e-3);
curvBS = EdgeToBSpline (aNextEdge);
// concatenation
CompBS.Add(curvBS, Precision::Confusion(), Standard_True, Standard_False, 1);
CompBS.Add(curvBS, aTolV, Standard_True, Standard_False, 1);
}
// return the final section
@@ -1000,7 +1004,7 @@ Handle(Geom_BSplineSurface) BRepOffsetAPI_ThruSections::
}
if (w2Point) {
edge = TopoDS::Edge(shapes(NbSects*NbEdges));
TopoDS_Edge edge = TopoDS::Edge(shapes(NbSects*NbEdges));
TopExp::Vertices(edge,vl,vf);
TColgp_Array1OfPnt Extremities(1,2);
Extremities(1) = BRep_Tool::Pnt(vf);

27
tests/bugs/modalg_5/bug24964 Normal file
View File

@@ -0,0 +1,27 @@
puts "============"
puts "OCC24964"
puts "============"
puts ""
#########################################################################
# ThruSections crashes the DRAW.exe
#########################################################################
restore [locate_data_file bug24964_w1.brep] w1
restore [locate_data_file bug24964_w2.brep] w2
restore [locate_data_file bug24964_w3.brep] w3
thrusections result 0 0 w1 w2 w3
set square 163127
set nb_v_good 30
set nb_e_good 45
set nb_w_good 15
set nb_f_good 15
set nb_sh_good 1
set nb_sol_good 0
set nb_compsol_good 0
set nb_compound_good 0
set nb_shape_good 106
set 2dviewer 1