Bug 0020233: Infinite loop in boolean operation with a sphere with r=0

This commit is contained in:
jfa 2009-04-10 10:59:46 +00:00
parent 268965c6d9
commit 7141475d33
2 changed files with 23 additions and 7 deletions

View File

@ -111,8 +111,13 @@ Standard_Integer GEOMImpl_CircleDriver::Execute(TFunction_Logbook& log) const
}
// Axes
gp_Ax2 anAxes (aP, aV);
// Radius
double anR = aCI.GetRadius();
char aMsg[] = "Circle creation aborted: radius value less than 1e-07 is not acceptable";
if (anR < Precision::Confusion())
Standard_ConstructionError::Raise(aMsg);
// Circle
gp_Circ aCirc (anAxes, aCI.GetRadius());
gp_Circ aCirc (anAxes, anR);
aShape = BRepBuilderAPI_MakeEdge(aCirc).Edge();
}
else if (aType == CIRCLE_CENTER_TWO_PNT) {

View File

@ -18,7 +18,7 @@
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include <Standard_Stream.hxx>
#include <GEOMImpl_SphereDriver.hxx>
@ -67,16 +67,27 @@ Standard_Integer GEOMImpl_SphereDriver::Execute(TFunction_Logbook& log) const
TopoDS_Shape aShape;
char aMsg[] = "Sphere creation aborted: radius value less than 1e-07 is not acceptable";
if (aType == SPHERE_R) {
aShape = BRepPrimAPI_MakeSphere(aCI.GetR()).Shape();
double anR = aCI.GetR();
if (anR < Precision::Confusion())
Standard_ConstructionError::Raise(aMsg);
aShape = BRepPrimAPI_MakeSphere(anR).Shape();
}
else if (aType == SPHERE_PNT_R) {
double anR = aCI.GetR();
if (anR < Precision::Confusion())
Standard_ConstructionError::Raise(aMsg);
Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
TopoDS_Shape aShapePnt = aRefPoint->GetValue();
if (aShapePnt.ShapeType() == TopAbs_VERTEX) {
gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
aShape = BRepPrimAPI_MakeSphere(aP, aCI.GetR()).Shape();
}
if (aShapePnt.ShapeType() != TopAbs_VERTEX)
Standard_ConstructionError::Raise("Invalid shape given for sphere center: it must be a point");
gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
aShape = BRepPrimAPI_MakeSphere(aP, anR).Shape();
}
else {
}