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// File: ChFi2d.cxx
// Created: Mon Jun 26 09:53:29 1995
// Author: Philippe DERVIEUX
// <phd@tlefon>
#include <ChFi2d.ixx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
//=======================================================================
//function : CommonVertex
//purpose :
//=======================================================================
Standard_Boolean ChFi2d::CommonVertex(const TopoDS_Edge& E1,
const TopoDS_Edge& E2,
TopoDS_Vertex& V)
{
TopoDS_Vertex firstVertex1, lastVertex1, firstVertex2, lastVertex2;
TopExp::Vertices(E1, firstVertex1, lastVertex1);
TopExp::Vertices(E2, firstVertex2, lastVertex2);
if (firstVertex1.IsSame(firstVertex2) ||
firstVertex1.IsSame(lastVertex2)) {
V = firstVertex1;
return Standard_True;
}
if (lastVertex1.IsSame(firstVertex2) ||
lastVertex1.IsSame(lastVertex2)) {
V = lastVertex1;
return Standard_True;
}
return Standard_False;
} // CommonVertex
//=======================================================================
//function : FindConnectedEdges
//purpose :
//=======================================================================
ChFi2d_ConstructionError ChFi2d::FindConnectedEdges(const TopoDS_Face& F,
const TopoDS_Vertex& V,
TopoDS_Edge& E1,
TopoDS_Edge& E2)
{
TopTools_IndexedDataMapOfShapeListOfShape vertexMap ;
TopExp::MapShapesAndAncestors (F, TopAbs_VERTEX,
TopAbs_EDGE, vertexMap);
if (vertexMap.Contains(V)) {
TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(V));
if (iterator.More()) {
E1 = TopoDS::Edge(iterator.Value());
iterator.Next();
} // if ...
else return ChFi2d_ConnexionError;
if (iterator.More()) {
E2 = TopoDS::Edge(iterator.Value());
iterator.Next();
} // if ...
else return ChFi2d_ConnexionError;
if(iterator.More()) return ChFi2d_ConnexionError;
} // if (isFind)
else return ChFi2d_ConnexionError;
return ChFi2d_IsDone;
} // FindConnectedEdges
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