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// File: TopOpeBRepBuild_SplitShapes.hxx
// Created: Fri Mar 1 16:24:40 1996
// Author: Modelistation
// <model@mentox>
#ifndef _TopOpeBRepBuild_SplitShapes_HeaderFile
#define _TopOpeBRepBuild_SplitShapes_HeaderFile
#include <Standard_ProgramError.hxx>
static Standard_Boolean FUN_touched(const TopOpeBRepDS_DataStructure& BDS,const TopoDS_Edge& EOR)
{
TopoDS_Vertex vf,vl; TopExp::Vertices(EOR,vf,vl);
Standard_Boolean hvf = BDS.HasShape(vf);
Standard_Boolean hvl = BDS.HasShape(vl);
return (hvf || hvl);
}
//=======================================================================
//function : SplitShapes
//purpose :
//=======================================================================
void TopOpeBRepBuild_Builder::SplitShapes(TopOpeBRepTool_ShapeExplorer& Ex,
const TopAbs_State ToBuild1,
const TopAbs_State ToBuild2,
TopOpeBRepBuild_ShapeSet& aSet,
const Standard_Boolean RevOri)
{
TopoDS_Shape aShape;
TopAbs_Orientation newori;
for (; Ex.More(); Ex.Next()) {
aShape = Ex.Current();
// compute new orientation <newori> to give to the new shapes
newori = Orient(myBuildTool.Orientation(aShape),RevOri);
TopAbs_ShapeEnum t = aShape.ShapeType();
#ifdef DEB
if (TopOpeBRepBuild_GettraceSHEX()) GdumpEXP(Ex);
#endif
if ( t == TopAbs_SOLID || t == TopAbs_SHELL )
SplitSolid(aShape,ToBuild1,ToBuild2);
else if ( t == TopAbs_FACE ) SplitFace(aShape,ToBuild1,ToBuild2);
else if ( t == TopAbs_EDGE ) SplitEdge(aShape,ToBuild1,ToBuild2);
else continue;
if ( IsSplit(aShape,ToBuild1) ) {
TopoDS_Shape newShape;
TopTools_ListIteratorOfListOfShape It;
//----------------------- IFV
Standard_Boolean IsLSon = Standard_False;
//----------------------- IFV
const TopTools_ListOfShape& LS = Splits(aShape,ToBuild1);
//----------------------- IFV
if(t == TopAbs_EDGE && ToBuild1 == TopAbs_IN && LS.Extent() == 0) {
const TopTools_ListOfShape& LSon = Splits(aShape,TopAbs_ON);
It.Initialize(LSon);
IsLSon = Standard_True;
}
else {
It.Initialize(LS);
}
//----------------------- IFV
for (; It.More(); It.Next()) {
newShape = It.Value();
myBuildTool.Orientation(newShape,newori);
#ifdef DEB
// TopAbs_ShapeEnum tns = TopType(newShape);
#endif
//----------------------- IFV
if(IsLSon) {
Standard_Boolean add = Standard_True;
if ( !myListOfFace.IsEmpty()) { // 2d pur
add = KeepShape(newShape,myListOfFace,ToBuild1);
}
if(add) aSet.AddStartElement(newShape);
}
else {
//----------------------- IFV
aSet.AddStartElement(newShape);
}
}
}
else {
// aShape n'a pas de devenir de split par ToBuild1
// on construit les parties ToBuild1 de aShape (de S1)
Standard_Boolean add = Standard_True;
Standard_Boolean testkeep = Standard_False;
Standard_Boolean isedge = (t == TopAbs_EDGE);
Standard_Boolean hs = (myDataStructure->HasShape(aShape));
Standard_Boolean hg = (myDataStructure->HasGeometry(aShape));
testkeep = isedge && hs && (!hg);
// xpu010399 : USA60299 (!hs)&&(!hg), but vertex on bound is touched (v7)
// -> testkeep
Standard_Boolean istouched = isedge && (!hs) && (!hg);
if (istouched) istouched = FUN_touched(myDataStructure->DS(),TopoDS::Edge(aShape));
testkeep = testkeep || istouched;
if (testkeep) {
if ( !myListOfFace.IsEmpty()) { // 2d pur
Standard_Boolean keep = KeepShape(aShape,myListOfFace,ToBuild1);
add = keep;
}
else { // 3d
// on classifie en solide uniqt si
// E dans la DS et E a ete purgee de ses interfs car en bout
TopoDS_Shape sol;
if (STATIC_SOLIDINDEX == 1) sol = myShape2;
else sol = myShape1;
if ( !sol.IsNull() ) {
Standard_Real first,last;
Handle(Geom_Curve) C3D;
C3D = BRep_Tool::Curve(TopoDS::Edge(aShape),first,last);
if ( !C3D.IsNull() ) {
Standard_Real tt = 0.127956477;
Standard_Real par = (1-tt)*first + tt*last;
gp_Pnt P3D = C3D->Value(par);
Standard_Real tol3d = Precision::Confusion();
BRepClass3d_SolidClassifier SCL(sol,P3D,tol3d);
TopAbs_State state = SCL.State();
add = (state == ToBuild1);
}
else {
Standard_ProgramError::Raise("SplitShapes no 3D curve on edge");
// NYI pas de courbe 3d : prendre un point sur (courbe 2d,face)
}
}
else { // sol.IsNull
add = Standard_True;
}
}
}
if ( add ) {
myBuildTool.Orientation(aShape,newori);
aSet.AddElement(aShape);
}
}
} // Ex.More
} // SplitShapes
#endif
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