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0025582: SIGSEGV in thrusections of circle segments

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1. Implemented using of trimmed circular curve
2. Added test case
This commit is contained in:
azv 2015-01-14 17:26:30 +03:00 committed by bugmaster
parent 79186c39b3
commit 0fe1715f01
2 changed files with 34 additions and 13 deletions
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28
src/BRepFill/BRepFill_Generator.cxx
View File

@ -398,14 +398,16 @@ void CreateKPart(const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
BW1.MakeWire(newW1);
BW2.MakeWire(newW2);
GeomAdaptor_Curve aC1Adaptor(C1);
GeomAdaptor_Curve aC2Adaptor(C2);
// calculate the surface
Handle(Geom_Surface) surface;
Standard_Real V, Rad;
if (IType==1) {
// cylindrical surface
gp_Circ c1 = (Handle(Geom_Circle)::DownCast(C1))->Circ();
gp_Circ c2 = (Handle(Geom_Circle)::DownCast(C2))->Circ();
gp_Circ c1 = aC1Adaptor.Circle();
gp_Circ c2 = aC2Adaptor.Circle();
gp_Ax3 Ac1 = c1.Position();
V = gp_Vec( c1.Location(),c2.Location()).Dot(gp_Vec(Ac1.Direction()));
if ( V < 0.) {
@ -419,7 +421,7 @@ void CreateKPart(const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
}
else if (IType==2) {
// conical surface
gp_Circ k1 = (Handle(Geom_Circle)::DownCast(C1))->Circ();
gp_Circ k1 = aC1Adaptor.Circle();
gp_Ax3 Ak1 = k1.Position();
if (degen2) {
V = gp_Vec( k1.Location(),BRep_Tool::Pnt(v2f))
@ -427,7 +429,7 @@ void CreateKPart(const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
Rad = - k1.Radius();
}
else {
gp_Circ k2 = (Handle(Geom_Circle)::DownCast(C2))->Circ();
gp_Circ k2 = aC2Adaptor.Circle();
V = gp_Vec( k1.Location(),k2.Location()).Dot(gp_Vec(Ak1.Direction()));
Rad = k2.Radius() - k1.Radius();
}
@ -445,7 +447,7 @@ void CreateKPart(const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
}
else if (IType==-2) {
// conical surface with the top at the beginning (degen1 is true)
gp_Circ k2 = (Handle(Geom_Circle)::DownCast(C2))->Circ();
gp_Circ k2 = aC2Adaptor.Circle();
gp_Ax3 Ak2 = k2.Position();
Ak2.SetLocation(BRep_Tool::Pnt(v1f));
V = gp_Vec(BRep_Tool::Pnt(v1f),k2.Location())
@ -469,15 +471,15 @@ void CreateKPart(const TopoDS_Edge& Edge1,const TopoDS_Edge& Edge2,
// surface plane
gp_Lin L1, L2, aLine;
if (!degen1)
{
L1 = (Handle(Geom_Line)::DownCast(C1))->Lin();
aLine = L1;
}
{
L1 = aC1Adaptor.Line();
aLine = L1;
}
if (!degen2)
{
L2 = (Handle(Geom_Line)::DownCast(C2))->Lin();
aLine = L2;
}
{
L2 = aC2Adaptor.Line();
aLine = L2;
}
gp_Pnt P1 = (degen1)? BRep_Tool::Pnt(v1f) : L1.Location();
gp_Pnt P2 = (degen2)? BRep_Tool::Pnt(v2f) : L2.Location();

19
tests/bugs/modalg_5/bug25582 Normal file
View File

@ -0,0 +1,19 @@
puts "============"
puts "OCC25582"
puts "============"
puts ""
#########################################################################
# SIGSEGV in thrusections on coaxial circlular segments
#########################################################################
restore [locate_data_file bug25582_filletloft-draw-Loft-00-section.brep] Loft-00-section
restore [locate_data_file bug25582_filletloft-draw-Loft-01-section.brep] Loft-01-section
thrusections result 0 0 Loft-00-section Loft-01-section
if ![isdraw result] {
puts "Error : thrusections failed"
}
set square 1.5708
set 2dviewer 0