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// File: TopOpeBRepDS_Edge3dInterferenceTool.cxx
// Created: Wed Dec 24 09:50:33 1997
// Author: Prestataire Xuan PHAM PHU
// <xpu@poulopox.paris1.matra-dtv.fr>
#include <TopOpeBRepDS_Edge3dInterferenceTool.ixx>
#include <TopOpeBRepDS_CurvePointInterference.hxx>
#include <TopOpeBRepDS_EdgeVertexInterference.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_Curve2d.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <gp_Vec.hxx>
#include <Precision.hxx>
#include <TopOpeBRepTool_EXPORT.hxx>
#include <TopOpeBRepTool_TOOL.hxx>
#include <TopOpeBRepDS_define.hxx>
#include <Standard_ProgramError.hxx>
#define M_FORWARD(st) (st == TopAbs_FORWARD)
#define M_REVERSED(st) (st == TopAbs_REVERSED)
static void FUN_Raise()
{
Standard_ProgramError::Raise("Edge3dInterferenceTool");
#ifdef DEB
cout <<" ************** Failure in Edge3dInterferenceTool"<<endl;
#endif
}
#define POINT (0)
#define VERTEXonref (1)
#define VERTEXonOO (2)
#define VERTEXonOref (3)
// myIsVertex :
// ------------
// POINT :<Eref> interfers with <E> at a point
// <Eref> interfers with <E> at a vertex V,
// VERTEXonref : V is on shape of <Eref>
// VERTEXonOO : V is on shape of <E>
// VERTEXonOref : V is on 2 shapes.
// myVonOO : only for VERTEXonOO || VERTEXonOref
// --------
// myP3d : only for POINT || VERTEXonref
// -------
static Standard_Boolean FUN_hasparam(const Handle(TopOpeBRepDS_Interference)& I, Standard_Real& paronE)
{
// prequesitory : shapes <SIX> -> edge <E>
// ? <paronE> = parameter of <G> on <E>
TopOpeBRepDS_Kind GT = I->GeometryType();
Standard_Boolean point = (GT == TopOpeBRepDS_POINT);
Standard_Boolean vertex = (GT == TopOpeBRepDS_VERTEX);
if (point) {
Handle(TopOpeBRepDS_CurvePointInterference) CPI =
Handle(TopOpeBRepDS_CurvePointInterference)::DownCast(I);
if (CPI.IsNull()) return Standard_False;
paronE = CPI->Parameter();
}
if (vertex) {
Handle(TopOpeBRepDS_EdgeVertexInterference) EVI =
Handle(TopOpeBRepDS_EdgeVertexInterference)::DownCast(I);
if (EVI.IsNull()) return Standard_False;
paronE = EVI->Parameter();
}
return Standard_True;
}
static Standard_Boolean FUN_paronOOE
(const TopoDS_Edge& OOE,const Standard_Integer IsVertex, const TopoDS_Shape& VonOO, const gp_Pnt& P3d,
Standard_Real& paronOOE)
{
Standard_Boolean ok = Standard_False;
Standard_Boolean hasVonOO = (IsVertex > 1);
if (hasVonOO) ok = FUN_tool_parVonE(TopoDS::Vertex(VonOO),OOE,paronOOE);
else {
Standard_Real dist; ok = FUN_tool_projPonE(P3d,OOE,paronOOE,dist);
Standard_Real tol1 = BRep_Tool::Tolerance(OOE);
Standard_Real tol2 = tol1*1.e3;
Standard_Real tol = tol2; if (tol > 1.e-2) tol = 1.e-2;
#ifdef DEBDEB
cout<<"$$$$$$$$$$$$$$$$$$$$$$$$ FUN_paronOOE : dist "<<dist<<" tol1 "<<tol1<<endl;
cout<<"$$$$$$$$$$$$$$$$$$$$$$$$ FUN_paronOOE : dist "<<dist<<" tol "<<tol<<endl;
#endif
if (ok) ok = (dist <= tol);
}
return ok;
}
static Standard_Boolean FUN_keepIonF
(const gp_Vec& tgref, const Standard_Real& parE, const TopoDS_Edge& E, const TopoDS_Face& F,
const Standard_Real& tola)
// returns true if an interference I=(TonF,G=point/vertex,S=<E>)
// is to add to the Edge3dInterferenceTool resolving 3d complex transitions
// on edge E
{
gp_Vec tmp; Standard_Boolean ok = TopOpeBRepTool_TOOL::TggeomE(parE,E,tmp);
if (!ok) return Standard_False;
gp_Dir tgE = gp_Dir(tmp);
Standard_Real prod = Abs(tgref.Dot(tgE));
if (Abs(1-prod) < tola) return Standard_False; // <Eref> & <E> are tangent edges
gp_Vec dd; ok = FUN_tool_nggeomF(parE,E,F,dd); gp_Dir ngF(dd);
if (!ok) return Standard_False;
prod = Abs((tgref^tgE).Dot(ngF));
if (Abs(1-prod) < tola) return Standard_False;
return Standard_True;
}
// ----------------------------------------------------------------------
// EDGE/FACE interferences reducing :
//
// ----------------------------------------------------------------------
//=======================================================================
//function : TopOpeBRepDS_Edge3dInterferenceTool
//purpose :
//=======================================================================
TopOpeBRepDS_Edge3dInterferenceTool::TopOpeBRepDS_Edge3dInterferenceTool()
: myFaceOriented(0),myrefdef(Standard_False)
{
}
//=======================================================================
//function : InitPointVertex
//purpose : Initializes reference data for edge/face complex transition
//=======================================================================
// I = (TonF, G=POINT/VERTEX, S=<E>) interference on <Eref>
// G has parameter <paronEref> on <Eref>, <paronE> on <E>
void TopOpeBRepDS_Edge3dInterferenceTool::InitPointVertex
(const Standard_Integer IsVertex, const TopoDS_Shape& VonOO)
{
myIsVertex = IsVertex;
if (IsVertex > 1) myVonOO = VonOO;
}
//=======================================================================
//function : Init
//purpose : Initializes reference data for edge/face complex transition
//=======================================================================
// I = (T on <F>, G=POINT/VERTEX, S=<E>) interference on <Eref>
// G has parameter <paronEref> on <Eref>, <paronE> on <E>
// -- <E> is edge of <F> --
void TopOpeBRepDS_Edge3dInterferenceTool::Init
(const TopoDS_Shape& Eref,
const TopoDS_Shape& E, const TopoDS_Shape& F,
const Handle(TopOpeBRepDS_Interference)& I)
{
const TopoDS_Edge& EEref = TopoDS::Edge(Eref);
const TopoDS_Edge& EE = TopoDS::Edge(E);
const TopoDS_Face& FF = TopoDS::Face(F);
myrefdef = Standard_False;
myTole = Precision::Angular(); // NYI
Standard_Real pref = 0;
Standard_Boolean ok = ::FUN_hasparam(I, pref);
if (!ok) {FUN_Raise(); return;}
// <myP3d> :
{
BRepAdaptor_Curve BC(EEref);
myP3d = BC.Value(pref);
}
gp_Vec tmp; ok = TopOpeBRepTool_TOOL::TggeomE(pref,EEref,tmp);
if (!ok) {FUN_Raise(); return;}
gp_Dir tgref(tmp);
Standard_Real pOO; ok = ::FUN_paronOOE(EE,myIsVertex,myVonOO,myP3d,pOO);
if (!ok) {FUN_Raise(); return;}
ok = TopOpeBRepTool_TOOL::TggeomE(pOO,EE,tmp);
if (!ok) {FUN_Raise(); return;}
gp_Dir tgOO(tmp);
Standard_Real dot = tgref.Dot(tgOO);
dot = 1 - Abs(dot);
Standard_Real tola = Precision::Confusion();
Standard_Boolean Esdm = (Abs(dot) < tola);
if (Esdm) return;
// NYI : il faut rejeter les interf I = (T,G,S=E) / E sdm with Eref
// <myrefdef> :
ok = ::FUN_keepIonF(tgref,pOO,EE,FF,myTole);
if (!ok) {
// <Eref> is tangent to <F>,
// If the transition is FORWARD or REVERSED, it describes a 2d
// transition (while crossing <E> on <F>), we do not keep it.
const TopAbs_Orientation& O = I->Transition().Orientation(TopAbs_IN);
Standard_Boolean is2d = M_FORWARD(O) || M_REVERSED(O);
if (is2d) return;
}
myrefdef = Standard_True;
// <myFaceOriented> :
myFaceOriented = I->Transition().Index();
// <myTgtref>
myTgtref = tgref;
gp_Dir Norm = tgOO^tgref;
myTool.Reset(tgOO, Norm);
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
// I = (T on <F>, G=POINT/VERTEX, S=<E>) interference on <Eref>
void TopOpeBRepDS_Edge3dInterferenceTool::Add
(const TopoDS_Shape& Eref,const TopoDS_Shape& E, const TopoDS_Shape& F,const Handle(TopOpeBRepDS_Interference)& I)
{
if (!myrefdef) {
Init(Eref,E,F,I);
// return;
}
if (!myrefdef) return;
const TopoDS_Edge& EE = TopoDS::Edge(E);
const TopoDS_Face& FF = TopoDS::Face(F);
Standard_Real pOO; Standard_Boolean ok = ::FUN_paronOOE(EE,myIsVertex,myVonOO,myP3d,pOO);
if (!ok) return;
gp_Pnt2d uv;
{
BRepAdaptor_Curve2d BC2d(EE,FF);
uv = BC2d.Value(pOO);
}
ok = ::FUN_keepIonF(myTgtref,pOO,EE,FF,myTole);
if (!ok) {
const TopAbs_Orientation& O = I->Transition().Orientation(TopAbs_IN);
Standard_Boolean is2d = M_FORWARD(O) || M_REVERSED(O);
if (is2d) return;
}
TopAbs_Orientation oriloc = I->Transition().Orientation(TopAbs_IN);
TopAbs_Orientation oritan; ok = FUN_tool_orientEinFFORWARD(EE, FF, oritan); // xpu : 30/12/97
if (!ok) return;
gp_Dir Norm(FUN_tool_nggeomF(uv,FF));
myTool.Compare(myTole, Norm, oriloc, oritan);
}
//=======================================================================
//function : Transition
//purpose :
//=======================================================================
void TopOpeBRepDS_Edge3dInterferenceTool::Transition(const Handle(TopOpeBRepDS_Interference)& I) const
{
TopOpeBRepDS_Transition& T = I->ChangeTransition();
I->Support(myFaceOriented);
TopAbs_State stb = myTool.StateBefore();
TopAbs_State sta = myTool.StateAfter();
T.Set(stb,sta);
}
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