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occt/src/BRepFill/BRepFill_Section.cxx

134 lines
3.8 KiB
C++

// Created on: 1998-07-22
// Created by: Philippe MANGIN
// Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <BRep_Builder.hxx>
#include <BRepFill_Section.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopExp_Explorer.hxx>
#include <ShapeUpgrade_RemoveLocations.hxx>
BRepFill_Section::BRepFill_Section() :islaw(0),
ispunctual(0),
contact(0),
correction(0)
{
}
BRepFill_Section::BRepFill_Section(const TopoDS_Shape& Profile,
const TopoDS_Vertex& V,
const Standard_Boolean WithContact,
const Standard_Boolean WithCorrection)
: vertex(V),
islaw(0),
ispunctual(0),
contact(WithContact),
correction(WithCorrection)
{
myOriginalShape = Profile;
ShapeUpgrade_RemoveLocations RemLoc;
RemLoc.SetRemoveLevel(TopAbs_COMPOUND);
RemLoc.Remove(Profile);
TopoDS_Shape aProfile = RemLoc.GetResult();
if (aProfile.ShapeType() == TopAbs_WIRE)
wire = TopoDS::Wire(aProfile);
else if (aProfile.ShapeType() == TopAbs_VERTEX)
{
ispunctual = Standard_True;
TopoDS_Vertex aVertex = TopoDS::Vertex(aProfile);
BRep_Builder BB;
TopoDS_Edge DegEdge;
BB.MakeEdge( DegEdge );
BB.Add( DegEdge, aVertex.Oriented(TopAbs_FORWARD) );
BB.Add( DegEdge, aVertex.Oriented(TopAbs_REVERSED) );
BB.Degenerated( DegEdge, Standard_True );
BB.MakeWire( wire );
BB.Add( wire, DegEdge );
wire.Closed( Standard_True );
}
else
throw Standard_Failure("BRepFill_Section: bad shape type of section");
}
void BRepFill_Section::Set(const Standard_Boolean IsLaw)
{
islaw = IsLaw;
}
TopoDS_Shape BRepFill_Section::ModifiedShape(const TopoDS_Shape& theShape) const
{
TopoDS_Shape aModifiedShape;
switch (theShape.ShapeType())
{
case TopAbs_WIRE:
if (theShape.IsSame(myOriginalShape))
aModifiedShape = wire;
break;
case TopAbs_EDGE:
{
TopoDS_Iterator itor(myOriginalShape);
TopoDS_Iterator itw(wire);
for (; itor.More(); itor.Next(),itw.Next())
{
const TopoDS_Shape& anOriginalEdge = itor.Value();
const TopoDS_Shape& anEdge = itw.Value();
if (anOriginalEdge.IsSame(theShape))
{
aModifiedShape = anEdge;
break;
}
}
}
break;
case TopAbs_VERTEX:
if (theShape.IsSame(myOriginalShape))
{
TopExp_Explorer Explo(wire, TopAbs_VERTEX);
aModifiedShape = Explo.Current();
}
else
{
TopExp_Explorer ExpOrig(myOriginalShape, TopAbs_VERTEX);
TopExp_Explorer ExpWire(wire, TopAbs_VERTEX);
for (; ExpOrig.More(); ExpOrig.Next(),ExpWire.Next())
{
const TopoDS_Shape& anOriginalVertex = ExpOrig.Current();
const TopoDS_Shape& aVertex = ExpWire.Current();
if (anOriginalVertex.IsSame(theShape))
{
aModifiedShape = aVertex;
break;
}
}
}
break;
default:
break;
}
return aModifiedShape;
}