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// File: BOP_Refiner.cxx
// Created: Mon Dec 24 12:21:48 2001
// Author: Peter KURNEV
// <pkv@irinox>
#include <BOP_Refiner.ixx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Wire.hxx>
#include <BRep_Builder.hxx>
//=======================================================================
// function: BOP_Refiner::BOP_Refiner
// purpose:
//=======================================================================
BOP_Refiner::BOP_Refiner()
:
myIsDone(Standard_False),
myErrorStatus(1),
myNbRemovedVertices(0),
myNbRemovedEdges(0)
{}
//=======================================================================
// function: BOP_Refiner::BOP_Refiner
// purpose:
//=======================================================================
BOP_Refiner::BOP_Refiner(const TopoDS_Shape& aS)
:
myIsDone(Standard_False),
myErrorStatus(1),
myNbRemovedVertices(0),
myNbRemovedEdges(0)
{
myShape=aS;
}
//=======================================================================
// function: SetShape
// purpose:
//=======================================================================
void BOP_Refiner::SetShape (const TopoDS_Shape& aS)
{
myShape=aS;
}
//=======================================================================
// function: SetInternals
// purpose:
//=======================================================================
void BOP_Refiner::SetInternals (const TopTools_ListOfShape& aLS)
{
myInternals.Clear();
TopTools_ListIteratorOfListOfShape anIt(aLS);
for(; anIt.More(); anIt.Next()) {
const TopoDS_Shape& aS=anIt.Value();
myInternals.Append(aS);
}
}
//=======================================================================
// function: IsDone
// purpose:
//=======================================================================
Standard_Boolean BOP_Refiner::IsDone() const
{
return myIsDone;
}
//=======================================================================
// function: ErrorStatus
// purpose:
//=======================================================================
Standard_Integer BOP_Refiner::ErrorStatus() const
{
return myErrorStatus;
}
//=======================================================================
// function: Shape
// purpose:
//=======================================================================
const TopoDS_Shape& BOP_Refiner::Shape() const
{
return myShape;
}
//=======================================================================
// function: NbRemovedVertices
// purpose:
//=======================================================================
Standard_Integer BOP_Refiner::NbRemovedVertices() const
{
return myNbRemovedVertices;
}
//=======================================================================
// function: NbRemovedEdges
// purpose:
//=======================================================================
Standard_Integer BOP_Refiner::NbRemovedEdges() const
{
return myNbRemovedEdges;
}
//=======================================================================
// function: Do
// purpose:
//=======================================================================
void BOP_Refiner::Do()
{
DoInternals();
}
//=======================================================================
// function: DoInternals
// purpose:
//=======================================================================
void BOP_Refiner::DoInternals()
{
Standard_Integer i, aNb, aNbF, aNbE;
BRep_Builder aBB;
TopTools_IndexedDataMapOfShapeListOfShape aMVF, aMFV, aMVE;
TopTools_IndexedMapOfShape aMInternals;
//
// 0. Source Internals
TopTools_ListIteratorOfListOfShape anItx(myInternals);
for(; anItx.More(); anItx.Next()) {
const TopoDS_Shape& aS=anItx.Value();
aMInternals.Add(aS);
}
//
// 1. Vertices
TopExp::MapShapesAndAncestors(myShape, TopAbs_VERTEX, TopAbs_EDGE, aMVE);
TopExp::MapShapesAndAncestors(myShape, TopAbs_VERTEX, TopAbs_FACE, aMVF);
aNb=aMVF.Extent();
for (i=1; i<=aNb; ++i) {
const TopoDS_Vertex& aV=TopoDS::Vertex(aMVF.FindKey(i));
if (aV.Orientation()!=TopAbs_INTERNAL) {
continue;
}
// how many edges attached to the vertex ?
aNbE=aMVE.FindFromKey(aV).Extent();
if (aNbE) {
continue;
}
const TopTools_ListOfShape& aLF=aMVF(i);
// how many edges attached to the vertex ?
aNbF=aLF.Extent();
if (aNbF==1) {
const TopoDS_Face& aF=TopoDS::Face(aLF.First());
if (aMFV.Contains(aF)) {
TopTools_ListOfShape& aLFWithVertex=aMFV.ChangeFromKey(aF);
aLFWithVertex.Append(aV);
}
else {
TopTools_ListOfShape aLFWithVertex;
aLFWithVertex.Append(aV);
aMFV.Add(aF, aLFWithVertex);
}
}// if (aNbF==1)
}// for (i=1; i<=aNb; ++i)
aNbF=aMFV.Extent();
for (i=1; i<=aNbF; ++i) {
const TopoDS_Face& aF=TopoDS::Face(aMFV.FindKey(i));
TopoDS_Face* pF=(TopoDS_Face*)&aF;
const TopTools_ListOfShape& aLV=aMFV(i);
TopTools_ListIteratorOfListOfShape anIt(aLV);
for (; anIt.More(); anIt.Next()) {
const TopoDS_Vertex& aV=TopoDS::Vertex(anIt.Value());
//
if (aMInternals.Contains(aV)) {
continue;
}
//
pF->Free(Standard_True);
aBB.Remove(*pF, aV);
myNbRemovedVertices++;
}
}
//
// 2. Edges
TopTools_IndexedDataMapOfShapeListOfShape aMEF, aMFE;
TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aMEF);
aNb=aMEF.Extent();
for (i=1; i<=aNb; ++i) {
const TopoDS_Edge& aE=TopoDS::Edge(aMEF.FindKey(i));
if (aE.Orientation()!=TopAbs_INTERNAL) {
continue;
}
const TopTools_ListOfShape& aLF=aMEF(i);
aNbF=aLF.Extent();
if (aNbF==1) {
const TopoDS_Face& aF=TopoDS::Face(aLF.First());
if (aMFE.Contains(aF)) {
TopTools_ListOfShape& aLFWithEdge=aMFE.ChangeFromKey(aF);
aLFWithEdge.Append(aE);
}
else {
TopTools_ListOfShape aLFWithEdge;
aLFWithEdge.Append(aE);
aMFE.Add(aF, aLFWithEdge);
}
}// if (aNbF==1)
}// for (i=1; i<=aNb; ++i)
//
//modified by NIZNHY-PKV Wed Nov 03 14:27:22 2010f
Standard_Boolean bFound;
TopoDS_Iterator aItS;
TopAbs_Orientation aOr;
//modified by NIZNHY-PKV Wed Nov 03 14:27:24 2010t
//
aNbF=aMFE.Extent();
for (i=1; i<=aNbF; ++i) {
//modified by NIZNHY-PKV Wed Nov 03 14:29:03 2010f
TopoDS_Face aF=TopoDS::Face(aMFE.FindKey(i));
aOr=aF.Orientation();
if (aOr==TopAbs_INTERNAL) {
aF.Orientation(TopAbs_FORWARD);
}
//const TopoDS_Face& aF=TopoDS::Face(aMFE.FindKey(i));
//modified by NIZNHY-PKV Wed Nov 03 14:29:06 2010t
TopoDS_Face* pF=(TopoDS_Face*)&aF;
const TopTools_ListOfShape& aLE=aMFE(i);
TopTools_ListIteratorOfListOfShape anIt(aLE);
for (; anIt.More(); anIt.Next()) {
const TopoDS_Edge& aE=TopoDS::Edge(anIt.Value());
//
if (aMInternals.Contains(aE)) {
continue;
}
//
TopTools_IndexedDataMapOfShapeListOfShape aMEW;
TopExp::MapShapesAndAncestors(aF, TopAbs_EDGE, TopAbs_WIRE, aMEW);
//
if (aMEW.Contains(aE)) {
const TopTools_ListOfShape& aLW=aMEW.FindFromKey(aE);
TopTools_ListIteratorOfListOfShape aWIt(aLW);
for (; aWIt.More(); aWIt.Next()) {
const TopoDS_Wire& aW=TopoDS::Wire(aWIt.Value());
//
//modified by NIZNHY-PKV Wed Nov 03 14:12:48 2010f
bFound=Standard_False;
aItS.Initialize(aW);
for(; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aEW=aItS.Value();
if (aEW==aE) {
bFound=Standard_True;
break;
}
}
//
if (!bFound) {
continue;
}
//modified by NIZNHY-PKV Wed Nov 03 14:14:22 2010t
//
TopoDS_Wire* pW=(TopoDS_Wire*)&aW;
pW->Free(Standard_True);
//
TopExp_Explorer anExp(*pW, TopAbs_EDGE);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Edge& anEdge=TopoDS::Edge(anExp.Current());
aBB.Remove(*pW, anEdge);
anExp.Init(*pW, TopAbs_EDGE);
}
//
pF->Free(Standard_True);
aBB.Remove(*pF, aW);
//modified by NIZNHY-PKV Wed Nov 03 14:29:56 2010f
pF->Orientation(aOr);
//modified by NIZNHY-PKV Wed Nov 03 14:29:59 2010t
myNbRemovedEdges++;
}
}
}// next inernal edge
}// for (i=1; i<=aNbF; ++i)
myIsDone=!myIsDone;
}
// myErrorStatus:
// 0 - OK
// 1 - Nothing has been done after constructor
//
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