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// File: BOP_WireShape.cxx
// Created: Mon Feb 4 12:02:05 2002
// Author: Peter KURNEV
// <pkv@irinox>
#include <BOP_WireShape.ixx>
#include <TopoDS.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Wire.hxx>
#include <TopAbs_ShapeEnum.hxx>
#include <TopAbs_Orientation.hxx>
#include <TopTools_ListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
#include <BOPTools_DSFiller.hxx>
#include <BOPTools_PaveFiller.hxx>
#include <BOPTools_SplitShapesPool.hxx>
#include <BOPTools_PaveBlock.hxx>
#include <BOPTools_ListOfPaveBlock.hxx>
#include <BOPTools_ListIteratorOfListOfPaveBlock.hxx>
#include <BOPTools_CommonBlockPool.hxx>
#include <BOPTools_CommonBlock.hxx>
#include <BOPTools_ListOfCommonBlock.hxx>
#include <BOPTools_ListIteratorOfListOfCommonBlock.hxx>
#include <BOP_CorrectTolerances.hxx>
#include <BOP_BuilderTools.hxx>
#include <BooleanOperations_ShapesDataStructure.hxx>
#include <BooleanOperations_StateOfShape.hxx>
#include <BOP_BuilderTools.hxx>
#include <BOP_ConnexityBlock.hxx>
#include <BOP_ListOfConnexityBlock.hxx>
#include <BOP_ListIteratorOfListOfConnexityBlock.hxx>
static
Standard_Integer InOrOut(const TopoDS_Vertex& ,
const TopoDS_Edge& );
static
TopAbs_Orientation Orientation(const TopoDS_Vertex& ,
const TopoDS_Edge& );
static
void OrientEdgesOnWire(const TopoDS_Wire& ,
TopoDS_Wire& );
//=======================================================================
// function: BOP_WireShape::BOP_WireShape
// purpose:
//=======================================================================
BOP_WireShape::BOP_WireShape()
{
}
//=======================================================================
// function: MakeResult
// purpose:
//=======================================================================
void BOP_WireShape::MakeResult()
{
BRep_Builder aBB;
TopoDS_Compound aCompound;
aBB.MakeCompound(aCompound);
TopoDS_Wire aWNew;
BOP_ListOfConnexityBlock aLCB;
BOP_BuilderTools::MakeConnexityBlocks(myLS, TopAbs_EDGE, aLCB);
BOP_ListIteratorOfListOfConnexityBlock aLCBIt(aLCB);
for (; aLCBIt.More(); aLCBIt.Next()) {
const BOP_ConnexityBlock& aCB=aLCBIt.Value();
const TopTools_ListOfShape& aLE=aCB.Shapes();
TopoDS_Wire aW;
aBB.MakeWire(aW);
TopTools_ListIteratorOfListOfShape anIt(aLE);
for (; anIt.More(); anIt.Next()) {
const TopoDS_Edge& aE=TopoDS::Edge(anIt.Value());
aBB.Add(aW, aE);
}
OrientEdgesOnWire(aW, aWNew);
aBB.Add(aCompound, aWNew);
}
myResult=aCompound;
}
//=======================================================================
// function: AddSplitPartsINOUT
// purpose:
//=======================================================================
void BOP_WireShape::AddSplitPartsINOUT()
{
const BooleanOperations_ShapesDataStructure& aDS=myDSFiller->DS();
const BOPTools_PaveFiller& aPaveFiller=myDSFiller->PaveFiller();
const BOPTools_SplitShapesPool& aSplitShapesPool=aPaveFiller.SplitShapesPool();
//
Standard_Integer i, aNbPB, iRank, nSp, iBeg, iEnd;
TopAbs_ShapeEnum aType, aTypeArg1, aTypeArg2;
BooleanOperations_StateOfShape aState, aStateCmp;
//
aTypeArg1=aDS.Object().ShapeType();
aTypeArg2=aDS.Tool().ShapeType();
iBeg=1;
iEnd=aDS.NumberOfShapesOfTheObject();
if (aTypeArg1!=TopAbs_WIRE && aTypeArg2==TopAbs_WIRE) {
iBeg=iEnd+1;
iEnd=aDS.NumberOfSourceShapes();
}
else if (aTypeArg1==TopAbs_WIRE && aTypeArg2==TopAbs_WIRE){
iBeg=1;
iEnd=aDS.NumberOfSourceShapes();
}
//
for (i=iBeg; i<=iEnd; ++i) {
aType=aDS.GetShapeType(i);
if (aType!=TopAbs_EDGE) {
continue;
}
const TopoDS_Edge& aE=TopoDS::Edge(aDS.Shape(i));
iRank=aDS.Rank(i);
aStateCmp=BOP_BuilderTools::StateToCompare(iRank, myOperation);
const BOPTools_ListOfPaveBlock& aLPB=aSplitShapesPool(aDS.RefEdge(i));
aNbPB=aLPB.Extent();
//
if (!aNbPB) {
aState=aDS.GetState(i);
if (aState==aStateCmp) {
myLS.Append(aE);
}
}
//
else {
BOPTools_ListIteratorOfListOfPaveBlock aPBIt(aLPB);
for (; aPBIt.More(); aPBIt.Next()) {
const BOPTools_PaveBlock& aPB=aPBIt.Value();
nSp=aPB.Edge();
const TopoDS_Edge& aSS=TopoDS::Edge(aDS.Shape(nSp));
aState=aDS.GetState(nSp);
if (aState==aStateCmp) {
myLS.Append(aSS);
}
}
}
}
}
//=======================================================================
// function: AddSplitPartsON
// purpose:
//=======================================================================
void BOP_WireShape::AddSplitPartsON()
{
if (myOperation==BOP_CUT || myOperation==BOP_CUT21) {
return;
}
const BooleanOperations_ShapesDataStructure& aDS=myDSFiller->DS();
const BOPTools_PaveFiller& aPaveFiller=myDSFiller->PaveFiller();
const BOPTools_CommonBlockPool& aCommonBlockPool=aPaveFiller.CommonBlockPool();
Standard_Integer i, nSpTaken, iBeg, iEnd;
TopAbs_ShapeEnum aType, aTypeArg1, aTypeArg2;
BOPTools_ListIteratorOfListOfCommonBlock anItCB;
//
aTypeArg1=aDS.Object().ShapeType();
aTypeArg2=aDS.Tool().ShapeType();
iBeg=1;
iEnd=aDS.NumberOfShapesOfTheObject();
if (aTypeArg1!=TopAbs_WIRE && aTypeArg2==TopAbs_WIRE) {
iBeg=iEnd+1;
iEnd=aDS.NumberOfSourceShapes();
}
else if (aTypeArg1==TopAbs_WIRE && aTypeArg2==TopAbs_WIRE){
iEnd=aDS.NumberOfSourceShapes();
}
//
for (i=iBeg; i<=iEnd; ++i) {
aType=aDS.GetShapeType(i);
if (aType!=TopAbs_EDGE) {
continue;
}
//
const BOPTools_ListOfCommonBlock& aLCB=aCommonBlockPool(aDS.RefEdge(i));
anItCB.Initialize(aLCB);
for (; anItCB.More(); anItCB.Next()) {
BOPTools_CommonBlock& aCB=anItCB.Value();
const BOPTools_PaveBlock& aPB=aCB.PaveBlock1();
nSpTaken=aPB.Edge();
const TopoDS_Edge& aSS=TopoDS::Edge(aDS.Shape(nSpTaken));
myLS.Append(aSS);
}
}
}
//=======================================================================
// function: OrientEdgesOnWire
// purpose:
//=======================================================================
void OrientEdgesOnWire(const TopoDS_Wire& aWire,
TopoDS_Wire& aWireNew)
{
Standard_Integer i, aNbV, aNbE, j, iCnt, iInOrOut, aNbRest;
TopTools_IndexedDataMapOfShapeListOfShape aVEMap;
TopTools_IndexedMapOfShape aProcessedEdges, aRestEdges, aEMap;
TopTools_ListIteratorOfListOfShape anIt;
BRep_Builder aBB;
aBB.MakeWire(aWireNew);
TopExp::MapShapesAndAncestors(aWire, TopAbs_VERTEX, TopAbs_EDGE, aVEMap);
aNbV=aVEMap.Extent();
//
// Do
for (i=1; i<=aNbV; i++) {
const TopoDS_Vertex& aV=TopoDS::Vertex(aVEMap.FindKey(i));
const TopTools_ListOfShape& aLE=aVEMap.FindFromIndex(i);
aNbE=aLE.Extent();
if (aNbE>=2) {
iCnt=0;
anIt.Initialize(aLE);
for(; anIt.More(); anIt.Next()) {
const TopoDS_Edge& aE=TopoDS::Edge(anIt.Value());
if (aProcessedEdges.Contains(aE)) {
iInOrOut=InOrOut(aV, aE);
iCnt+=iInOrOut;
}
else {
aRestEdges.Add(aE);
}
}
TopoDS_Edge* pE;
aNbRest=aRestEdges.Extent();
for (j=1; j<=aNbRest; j++) {
const TopoDS_Edge& aE=TopoDS::Edge(aRestEdges(j));
pE=(TopoDS_Edge*)&aE;
iInOrOut=InOrOut(aV, aE);
if (iCnt>0) {
if (iInOrOut>0) {
pE->Reverse();
}
--iCnt;
}
else if (iCnt<=0){
if (iInOrOut<0) {
pE->Reverse();
}
++iCnt;
}
aProcessedEdges.Add(*pE);
}
}//if (aNbE>=2)
}
//
//
aNbE=aProcessedEdges.Extent();
for (i=1; i<=aNbE; i++) {
const TopoDS_Edge& aE=TopoDS::Edge(aProcessedEdges(i));
aBB.Add(aWireNew, aE);
}
TopExp::MapShapes(aWire, TopAbs_EDGE, aEMap);
aNbE=aEMap.Extent();
for (i=1; i<=aNbE; i++) {
const TopoDS_Edge& aE=TopoDS::Edge(aEMap(i));
if (!aProcessedEdges.Contains(aE)) {
aProcessedEdges.Add(aE);
aBB.Add(aWireNew, aE);
}
}
}
//=======================================================================
//function : Orientation
//purpose :
//=======================================================================
TopAbs_Orientation Orientation(const TopoDS_Vertex& aV,
const TopoDS_Edge& aE)
{
TopAbs_Orientation anOr=TopAbs_INTERNAL;
TopExp_Explorer anExp;
anExp.Init(aE, TopAbs_VERTEX);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Vertex& aVE1=TopoDS::Vertex(anExp.Current());
if (aVE1.IsSame(aV)) {
anOr=aVE1.Orientation();
break;
}
}
return anOr;
}
///=======================================================================
//function : InOrOut
//purpose :
//=======================================================================
Standard_Integer InOrOut(const TopoDS_Vertex& aV,
const TopoDS_Edge& aE)
{
TopAbs_Orientation anOrV, anOrE;
anOrV=aV.Orientation();
anOrE=aE.Orientation();
if (anOrV==TopAbs_INTERNAL){
return 0;
}
anOrV=Orientation(aV, aE);
if (anOrV==anOrE) {
return -1; // escape
}
else {
return 1; // entry
}
}
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