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0026016: BRepPrimAPI_MakeRevol crash

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Correctly treat the case when the line is a trimmed curve.

Test-case for issue #26016
This commit is contained in:
msv 2015-04-09 15:03:01 +03:00 committed by bugmaster
parent e9e33e9167
commit 24e40cc2dc
2 changed files with 32 additions and 2 deletions
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13
src/BRepSweep/BRepSweep_Rotation.cxx
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@ -435,8 +435,17 @@ void BRepSweep_Rotation::SetGeneratingPCurve
if (AS.GetType()==GeomAbs_Plane){
gp_Pln pln = AS.Plane();
gp_Ax3 ax3 = pln.Position();
Handle(Geom_Line) GL = Handle(Geom_Line)::DownCast
(BRep_Tool::Curve(TopoDS::Edge(aNewEdge),Loc,First,Last));
Handle(Geom_Curve) aC = BRep_Tool::Curve(TopoDS::Edge(aNewEdge),Loc,First,Last);
Handle(Geom_Line) GL = Handle(Geom_Line)::DownCast(aC);
if (GL.IsNull()) {
Handle(Geom_TrimmedCurve) aTrimmedCurve = Handle(Geom_TrimmedCurve)::DownCast(aC);
if (!aTrimmedCurve.IsNull()) {
GL = Handle(Geom_Line)::DownCast(aTrimmedCurve->BasisCurve());
if (GL.IsNull()) {
Standard_ConstructionError::Raise("BRepSweep_Rotation::SetGeneratingPCurve");
}
}
}
gp_Lin gl = GL->Lin();
gl.Transform(Loc.Transformation());
point = gl.Location();

21
tests/bugs/modalg_6/bug26016 Normal file
View File

@ -0,0 +1,21 @@
puts "========"
puts "OCC26016"
puts "========"
puts ""
##@@###########################
# BRepPrimAPI_MakeRevol crash
###############################
smallview
restore [locate_data_file OCC26016-revolve-crash.brep] a
revol r a 0 0 0 0 1 0 90
set bug_info [checkshape r]
if {[string compare $bug_info "This shape seems to be valid"] != 0} {
puts "ERROR: OCC26016 is reproduced"
}
donly r
fit
set only_screen_axo 1