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0022822: Skipping of the first and the last edges of a wire for opened wires

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VRO 2012-02-10 09:57:58 +00:00 committed by bugmaster
parent 86be42959e
commit ef57920a5d
2 changed files with 61 additions and 1 deletions
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58
src/SWDRAW/SWDRAW_ShapeAnalysis.cxx
View File

@ -42,6 +42,7 @@
#include <BRepGProp.hxx>
#include <BRepTopAdaptor_FClass2d.hxx>
#include <ShapeAnalysis_ShapeContents.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <TopoDS_Compound.hxx>
#include <BRep_Builder.hxx>
@ -54,6 +55,7 @@
#include <ShapeFix_FreeBounds.hxx>
#include <ShapeExtend_WireData.hxx>
#include <ShapeAnalysis_Wire.hxx>
static Standard_Integer tolerance
(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
@ -830,6 +832,61 @@ static Standard_Integer getareacontour (Draw_Interpretor& di,
return 0;
}
static Standard_Integer checkselfintersection
(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
{
if (argc < 2)
{
di<<"Call please \"checkselfintersection wire [face]\""<<"\n";
return 1;
}
// Get wire.
const char* arg1 = argv[1];
TopoDS_Shape wire = DBRep::Get(arg1);
if (wire.IsNull() || wire.ShapeType() != TopAbs_WIRE)
{
di<<"A null shape or not a wire is used."<<"\n";
return 2;
}
// Get face if the user provided us with a face.
TopoDS_Shape face;
if (argc > 2)
{
const char* arg2 = argv[2];
face = DBRep::Get(arg2);
if (face.IsNull() || face.ShapeType() != TopAbs_FACE)
{
di<<"A null shape or not a face is used."<<"\n";
return 3;
}
}
// If the face is null, make a plane inside the wire.
if (face.IsNull())
{
BRepBuilderAPI_MakeFace mkFace(TopoDS::Wire(wire), true);
if (mkFace.IsDone())
face = mkFace.Face();
else
{
di<<"Can't make a face for the wire. Provide please a face for analysis."<<"\n";
return 4;
}
}
ShapeAnalysis_Wire analyser(TopoDS::Wire(wire), TopoDS::Face(face), Precision::Confusion());
Standard_Boolean result = analyser.CheckSelfIntersection();
if (result == Standard_True)
di<<"A self-intersecting wire."<<"\n";
else
di<<"Not self-intersecting wire."<<"\n";
return 0;
}
//=======================================================================
//function : InitCommands
//purpose :
@ -866,4 +923,5 @@ static Standard_Integer getareacontour (Draw_Interpretor& di,
__FILE__, MyVISEDG, groupold);
theCommands.Add("getareacontour","wire ",__FILE__, getareacontour, groupold);
theCommands.Add ("checkselfintersection","wire [face]", __FILE__,checkselfintersection,g);
}

4
src/ShapeAnalysis/ShapeAnalysis_Wire.cxx
View File

@ -395,7 +395,9 @@ void ShapeAnalysis_Wire::SetSurface (const Handle(Geom_Surface)& surface,
Standard_Boolean isFail = Standard_False, isDone = Standard_False;
for(Standard_Integer num1 = 1; num1 < nb-1; num1++) {
Standard_Integer fin = (num1 == 1 ? nb-1 : nb);
Standard_Integer fin = nb;
if (CheckClosed(Precision::Confusion()) && 1 == num1)
fin = nb-1;
for(Standard_Integer num2 = num1+2; num2 <= fin; num2++)
if(!boxes(num1).IsOut(boxes(num2))){
CheckIntersectingEdges(num1, num2);