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// File: BOPTools_StateFiller.cxx
// Created: Mon Feb 4 10:08:20 2002
// Author: Peter KURNEV
// <pkv@irinox>
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450
#include <BOPTools_StateFiller.ixx>
#include <Precision.hxx>
#include <Geom_Curve.hxx>
#include <gp_Pnt.hxx>
#include <BRep_Tool.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Solid.hxx>
#include <TopAbs_State.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopExp.hxx>
#include <BooleanOperations_StateOfShape.hxx>
#include <IntTools_Tools.hxx>
#include <IntTools_Context.hxx>
#include <Geom_Surface.hxx>
//=======================================================================
// function: BOPTools_StateFiller::BOPTools_StateFiller
// purpose:
//=======================================================================
BOPTools_StateFiller::BOPTools_StateFiller(const BOPTools_PaveFiller& aFiller)
:
myIsDone(Standard_False)
{
myFiller=(BOPTools_PaveFiller*) &aFiller;
myDS=myFiller->DS();
myIntrPool=myFiller->InterfPool();
}
//=======================================================================
// function: Do
// purpose:
//=======================================================================
void BOPTools_StateFiller::Do()
{
}
//=======================================================================
// function: IsDone
// purpose:
//=======================================================================
Standard_Boolean BOPTools_StateFiller::IsDone() const
{
return myIsDone;
}
//=======================================================================
// function: ConvertState
// purpose:
//=======================================================================
BooleanOperations_StateOfShape BOPTools_StateFiller::ConvertState(const TopAbs_State aSt)
{
BooleanOperations_StateOfShape aState;
switch (aSt) {
case TopAbs_IN:
aState=BooleanOperations_IN;
break;
case TopAbs_OUT:
aState=BooleanOperations_OUT;
break;
case TopAbs_ON:
aState=BooleanOperations_ON;
break;
case TopAbs_UNKNOWN:
aState=BooleanOperations_UNKNOWN;
break;
default:
aState=BooleanOperations_UNKNOWN;
break;
}
return aState;
}
//=======================================================================
// function: ConvertState
// purpose:
//=======================================================================
TopAbs_State BOPTools_StateFiller::ConvertState(const BooleanOperations_StateOfShape aSt)
{
TopAbs_State aState;
switch (aSt) {
case BooleanOperations_IN:
aState=TopAbs_IN;
break;
case BooleanOperations_OUT:
aState=TopAbs_OUT;
break;
case BooleanOperations_ON:
aState=TopAbs_ON;
break;
case BooleanOperations_UNKNOWN:
aState=TopAbs_UNKNOWN;
break;
default:
aState=TopAbs_UNKNOWN;
break;
}
return aState;
}
//=======================================================================
// function: ClassifyShapeByRef
// purpose:
//=======================================================================
BooleanOperations_StateOfShape BOPTools_StateFiller::ClassifyShapeByRef (const TopoDS_Shape& aS,
const TopoDS_Shape& aRef)
{
TopAbs_ShapeEnum aType;
aType=aS.ShapeType();
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 Begin
Standard_Boolean hasEdge = Standard_True;
// Modified by skv - Tue Aug 24 12:31:17 2004 OCC6450 End
TopoDS_Edge aE;
if (aType!=TopAbs_EDGE) {
TopTools_IndexedMapOfShape aME;
TopExp::MapShapes(aS, TopAbs_EDGE, aME);
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 Begin
if (aME.Extent() == 0)
hasEdge = Standard_False;
else
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 End
aE=TopoDS::Edge(aME(1));
}
else {
aE=TopoDS::Edge(aS);
}
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 Begin
// TopAbs_State aSt=ClassifyEdgeToSolidByOnePoint(aE, aRef);
TopAbs_State aSt;
if (hasEdge) {
aSt = ClassifyEdgeToSolidByOnePoint(aE, aRef);
} else {
TopTools_IndexedMapOfShape aMF;
Standard_Boolean hasFace = Standard_True;
TopoDS_Face aF;
TopExp::MapShapes(aS, TopAbs_FACE, aMF);
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 Begin
if (aMF.Extent() == 0) {
hasFace = Standard_False;
} else {
aF = TopoDS::Face(aMF(1));
}
if (!hasFace) {
aSt = TopAbs_UNKNOWN;
} else {
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aF);
Standard_Real aUMin;
Standard_Real aUMax;
Standard_Real aVMin;
Standard_Real aVMax;
aSurf->Bounds(aUMin, aUMax, aVMin, aVMax);
Standard_Boolean isMinInf = Precision::IsNegativeInfinite(aUMin);
Standard_Boolean isMaxInf = Precision::IsPositiveInfinite(aUMax);
Standard_Real dT=10.;
Standard_Real aParU;
Standard_Real aParV;
if (isMinInf && !isMaxInf) {
aParU = aUMax - dT;
} else if (!isMinInf && isMaxInf) {
aParU = aUMin + dT;
} else if (isMinInf && isMaxInf) {
aParU = 0.;
} else {
aParU = IntTools_Tools::IntermediatePoint(aUMin, aUMax);
}
isMinInf = Precision::IsNegativeInfinite(aVMin);
isMaxInf = Precision::IsPositiveInfinite(aVMax);
if (isMinInf && !isMaxInf) {
aParV = aVMax - dT;
} else if (!isMinInf && isMaxInf) {
aParV = aVMin + dT;
} else if (isMinInf && isMaxInf) {
aParV = 0.;
} else {
aParV = IntTools_Tools::IntermediatePoint(aVMin, aVMax);
}
gp_Pnt aP3d = aSurf->Value(aParU, aParV);
const TopoDS_Solid &aRefSolid = TopoDS::Solid(aRef);
IntTools_Context &aContext = myFiller->ChangeContext();
BRepClass3d_SolidClassifier &aSC =
aContext.SolidClassifier(aRefSolid);
//
aSC.Perform(aP3d, 1e-7);
//
aSt = aSC.State();
}
}
// Modified by skv - Tue Aug 24 12:31:16 2004 OCC6450 Begin
BooleanOperations_StateOfShape aState=BOPTools_StateFiller::ConvertState(aSt) ;
return aState;
}
//=======================================================================
// function: ClassifyEdgeToSolidByOnePoint
// purpose:
//=======================================================================
TopAbs_State BOPTools_StateFiller::ClassifyEdgeToSolidByOnePoint(const TopoDS_Edge& E,
const TopoDS_Shape& Ref)
{
Standard_Real f2 = 0., l2 = 0., par = 0.;
Handle(Geom_Curve) C3D = BRep_Tool::Curve(E, f2, l2);
gp_Pnt aP3d;
if(C3D.IsNull()) {
//it means that we are in degenerated edge
const TopoDS_Vertex& fv = TopExp::FirstVertex(E);
if(fv.IsNull()){
return TopAbs_UNKNOWN;
}
aP3d = BRep_Tool::Pnt(fv);
}
else {//usual case
Standard_Boolean bF2Inf, bL2Inf;
Standard_Real dT=10.;
//
bF2Inf = Precision::IsNegativeInfinite(f2);
bL2Inf = Precision::IsPositiveInfinite(l2);
//
if (bF2Inf && !bL2Inf) {
par=l2-dT;
}
else if (!bF2Inf && bL2Inf) {
par=f2+dT;
}
else if (bF2Inf && bL2Inf) {
par=0.;
}
else {
par=IntTools_Tools::IntermediatePoint(f2, l2);
}
C3D -> D0(par, aP3d);
}
//
const TopoDS_Solid& aRefSolid=TopoDS::Solid(Ref);
IntTools_Context& aContext=myFiller->ChangeContext();
BRepClass3d_SolidClassifier& aSC=aContext.SolidClassifier(aRefSolid);
//
aSC.Perform(aP3d, 1e-7);
//
TopAbs_State aState=aSC.State();
return aState;
}
//=======================================================================
// function: SubType
// purpose:
//=======================================================================
TopAbs_ShapeEnum BOPTools_StateFiller::SubType(const TopoDS_Shape& aS)
{
TopAbs_ShapeEnum aSourceType, aReturnType;
aSourceType=aS.ShapeType();
switch (aSourceType) {
case TopAbs_SOLID:
aReturnType=TopAbs_SHELL;
break;
case TopAbs_SHELL:
aReturnType=TopAbs_FACE;
break;
case TopAbs_FACE:
aReturnType=TopAbs_WIRE;
break;
case TopAbs_WIRE:
aReturnType=TopAbs_EDGE;
break;
case TopAbs_EDGE:
aReturnType=TopAbs_VERTEX;
break;
default:
aReturnType=TopAbs_SHAPE;
break;
}
return aReturnType;
}
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