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// File: TopOpeBRepBuild_SplitSolid.hxx
// Created: Tue Sep 12 16:27:50 1995
// Author: Jean Yves LEBEY
// <jyl@meteox>
#ifndef TopOpeBRepBuild_SplitSolid_INCLUDED
#define TopOpeBRepBuild_SplitSolid_INCLUDED
#include <TopOpeBRepBuild_ShellFaceSet.hxx>
#include <TopOpeBRepBuild_SolidBuilder.hxx>
#include <TopOpeBRepBuild_define.hxx>
#ifdef DEB
#define DEBSHASET(sarg,meth,shaset,str) TCollection_AsciiString sarg((meth));(sarg)=(sarg)+(shaset).DEBNumber()+(str);
Standard_EXPORT Standard_Boolean TopOpeBRepDS_GettraceSTRANGE();
Standard_EXPORT void debsplitf(const Standard_Integer i);
Standard_EXPORT void debspanc(const Standard_Integer i);
//Standard_IMPORT extern Standard_Integer GLOBAL_iexF;
Standard_IMPORT Standard_Integer GLOBAL_iexF;
#endif
//=======================================================================
//function : SplitSolid
//purpose :
//=======================================================================
void TopOpeBRepBuild_Builder::SplitSolid(const TopoDS_Shape& S1oriented,
const TopAbs_State ToBuild1,
const TopAbs_State ToBuild2)
{
//modified by IFV for treating shell
Standard_Boolean tosplit = Standard_False;
Standard_Boolean IsShell = (S1oriented.ShapeType() == TopAbs_SHELL);
if(IsShell) {
TopExp_Explorer ex;
ex.Init(S1oriented, TopAbs_FACE);
for (; ex.More(); ex.Next()) {
const TopoDS_Shape& sh = ex.Current();
tosplit = ToSplit(sh,ToBuild1);
if(tosplit) break;
}
}
else tosplit = ToSplit(S1oriented,ToBuild1);
if ( ! tosplit ) return;
// end IFV
Standard_Boolean RevOri1 = Reverse(ToBuild1,ToBuild2);
Standard_Boolean RevOri2 = Reverse(ToBuild2,ToBuild1);
Standard_Boolean ConnectTo1 = Standard_True;
Standard_Boolean ConnectTo2 = Standard_False;
// work on a FORWARD solid <S1forward>
TopoDS_Shape S1forward = S1oriented;
myBuildTool.Orientation(S1forward,TopAbs_FORWARD);
// build the list of solids to split : LS1, LS2
TopTools_ListOfShape LS1,LS2;
LS1.Append(S1forward);
FindSameDomain(LS1,LS2);
Standard_Integer n1 = LS1.Extent();
Standard_Integer n2 = LS2.Extent();
if (!n2) RevOri1 = Standard_False;
if (!n1) RevOri2 = Standard_False;
// Create a face set <FS> connected by edges
// -----------------------------------------
TopOpeBRepBuild_ShellFaceSet SFS;
#ifdef DEB
Standard_Boolean tSPS = TopOpeBRepBuild_GettraceSPS();
// Standard_Integer iSolid = myDataStructure->Shape(S1oriented);
if (tSPS) {
cout<<endl;
GdumpSHASTA(S1oriented,ToBuild1,"___ SplitSolid ");
GdumpSAMDOM(LS1, (char *) "1 : ");
GdumpSAMDOM(LS2, (char *) "2 : ");
}
SFS.DEBNumber(GdumpSHASETindex());
#endif
STATIC_SOLIDINDEX = 1;
TopTools_ListIteratorOfListOfShape itLS1;
for (itLS1.Initialize(LS1); itLS1.More(); itLS1.Next()) {
TopoDS_Shape Scur = itLS1.Value();
FillSolid(Scur,ToBuild1,LS2,ToBuild2,SFS,RevOri1);
}
STATIC_SOLIDINDEX = 2;
TopTools_ListIteratorOfListOfShape itLS2;
for (itLS2.Initialize(LS2); itLS2.More(); itLS2.Next()) {
TopoDS_Shape Scur = itLS2.Value();
FillSolid(Scur,ToBuild2,LS1,ToBuild1,SFS,RevOri2);
}
// Add the intersection surfaces
// -----------------------------
if (myDataStructure->NbSurfaces() > 0) {
TopOpeBRepDS_SurfaceIterator SSurfaces = myDataStructure->SolidSurfaces(S1forward);
for (; SSurfaces.More(); SSurfaces.Next()) {
Standard_Integer iS = SSurfaces.Current();
const TopTools_ListOfShape& LnewF = NewFaces(iS);
for (TopTools_ListIteratorOfListOfShape Iti(LnewF); Iti.More(); Iti.Next()) {
TopoDS_Shape aFace = Iti.Value();
TopAbs_Orientation ori = SSurfaces.Orientation(ToBuild1);
myBuildTool.Orientation(aFace,ori);
#ifdef DEB
if (tSPS){
DEBSHASET(ss,"--- SplitSolid ",SFS," AddElement SFS+ face ");
GdumpSHA(aFace,(Standard_Address)ss.ToCString());
cout<<" ";TopAbs::Print(ToBuild1,cout)<<" : 1 face ";
TopAbs::Print(ori,cout); cout<<endl;
}
#endif
SFS.AddElement(aFace);
}
}
}
// Create a Solid Builder SOBU
// -------------------------
TopOpeBRepBuild_SolidBuilder SOBU(SFS);
// Build the new solids on S1
// --------------------------
TopTools_ListOfShape& SolidList = ChangeMerged(S1oriented,ToBuild1);
if(IsShell)
MakeShells(SOBU,SolidList);
else
MakeSolids(SOBU,SolidList);
// connect list of new solids <SolidList> as solids built on LS1 solids
// --------------------------------------------------------------------
for (itLS1.Initialize(LS1); itLS1.More(); itLS1.Next()) {
TopoDS_Shape Scur = itLS1.Value();
MarkSplit(Scur,ToBuild1);
TopTools_ListOfShape& SL = ChangeSplit(Scur,ToBuild1);
if ( ConnectTo1 ) SL = SolidList;
}
// connect list of new solids <SolidList> as solids built on LS2 solids
// --------------------------------------------------------------------
for (itLS2.Initialize(LS2); itLS2.More(); itLS2.Next()) {
TopoDS_Shape Scur = itLS2.Value();
MarkSplit(Scur,ToBuild2);
TopTools_ListOfShape& SL = ChangeSplit(Scur,ToBuild2);
if ( ConnectTo2 ) SL = SolidList;
}
} // SplitSolid
//#ifndef TopOpeBRepBuild_SplitSolid_INCLUDED
#endif
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