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452 lines
16 KiB
C++
452 lines
16 KiB
C++
// Created on: 1993-06-17
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <TopOpeBRepBuild_WireEdgeClassifier.hxx>
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#ifdef DRAW
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#include <DBRep.hxx>
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#endif
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <BRepClass_FaceClassifier.hxx>
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#include <Standard_ProgramError.hxx>
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#include <gp_Vec2d.hxx>
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#include <TopOpeBRepTool_2d.hxx>
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#include <TopExp.hxx>
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#include <TopOpeBRepTool_EXPORT.hxx>
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#include <TopOpeBRepTool_SC.hxx>
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#include <TopOpeBRepTool_TOOL.hxx>
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#include <TopOpeBRepBuild_define.hxx>
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#ifdef OCCT_DEBUG
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static TCollection_AsciiString PRODINS("dins ");
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#endif
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#define MYBB ((TopOpeBRepBuild_BlockBuilder*)myBlockBuilder)
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#define SAME (-1)
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#define DIFF (-2)
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#define UNKNOWN ( 0)
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#define oneINtwo ( 1)
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#define twoINone ( 2)
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//=======================================================================
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//function : TopOpeBRepBuild_WireEdgeClassifier
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//purpose :
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//=======================================================================
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TopOpeBRepBuild_WireEdgeClassifier::TopOpeBRepBuild_WireEdgeClassifier
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(const TopoDS_Shape& F,
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const TopOpeBRepBuild_BlockBuilder& BB) :
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TopOpeBRepBuild_CompositeClassifier(BB)
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{
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myBCEdge.Face() = TopoDS::Face(F);
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}
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//=======================================================================
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//function : Compare
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_WireEdgeClassifier::Compare
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(const Handle(TopOpeBRepBuild_Loop)& L1,
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const Handle(TopOpeBRepBuild_Loop)& L2)
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{
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TopAbs_State state = TopAbs_UNKNOWN;
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Standard_Boolean isshape1 = L1->IsShape();
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Standard_Boolean isshape2 = L2->IsShape();
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if ( isshape2 && isshape1 ) { // L1 is Shape , L2 is Shape
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const TopoDS_Shape& s1 = L1->Shape();
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const TopoDS_Shape& s2 = L2->Shape();
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state = CompareShapes(s1,s2);
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}
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else if ( isshape2 && !isshape1 ) { // L1 is Block , L2 is Shape
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TopOpeBRepBuild_BlockIterator Bit1 = L1->BlockIterator();
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Bit1.Initialize();
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Standard_Boolean yena1 = Bit1.More();
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while (yena1) {
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const TopoDS_Shape& s1 = MYBB->Element(Bit1);
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const TopoDS_Shape& s2 = L2->Shape();
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state = CompareElementToShape(s1,s2);
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yena1 = Standard_False;
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if (state == TopAbs_UNKNOWN) {
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if (Bit1.More()) Bit1.Next();
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yena1 = Bit1.More();
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}
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}
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}
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else if ( !isshape2 && isshape1 ) { // L1 is Shape , L2 is Block
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const TopoDS_Shape& s1 = L1->Shape();
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ResetShape(s1);
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TopOpeBRepBuild_BlockIterator Bit2 = L2->BlockIterator();
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for (Bit2.Initialize(); Bit2.More(); Bit2.Next()) {
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const TopoDS_Shape& s2 = MYBB->Element(Bit2);
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CompareElement(s2);
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}
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state = State();
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}
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else if ( !isshape2 && !isshape1 ) { // L1 is Block , L2 is Block
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if (state == TopAbs_UNKNOWN) {
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TopOpeBRepBuild_BlockIterator Bit1 = L1->BlockIterator();
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Bit1.Initialize();
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Standard_Boolean yena1 = Bit1.More();
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while (yena1) {
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const TopoDS_Shape& s1 = MYBB->Element(Bit1);
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ResetElement(s1);
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TopOpeBRepBuild_BlockIterator Bit2 = L2->BlockIterator();
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for (Bit2.Initialize(); Bit2.More(); Bit2.Next()) {
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const TopoDS_Shape& s2 = MYBB->Element(Bit2);
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CompareElement(s2);
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}
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state = State();
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yena1 = Standard_False;
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if (state == TopAbs_UNKNOWN) {
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if (Bit1.More()) Bit1.Next();
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yena1 = Bit1.More();
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}
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}
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} //UNKNOWN
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if (state == TopAbs_UNKNOWN) {
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TopoDS_Shape s1 = LoopToShape(L1); if (s1.IsNull()) return state;
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TopoDS_Shape s2 = LoopToShape(L2); if (s2.IsNull()) return state;
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TopOpeBRepTool_ShapeClassifier& SC = FSC_GetPSC();
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Standard_Integer samedomain = SC.SameDomain(); SC.SameDomain(1);
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SC.SetReference(s2);
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const TopoDS_Shape& AvS = s2;
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state = SC.StateShapeReference(s1,AvS);
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SC.SameDomain(samedomain);
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} // UNKNOWN
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}
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return state;
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}
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//=======================================================================
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//function : LoopToShape
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//purpose :
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//=======================================================================
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TopoDS_Shape TopOpeBRepBuild_WireEdgeClassifier::LoopToShape(const Handle(TopOpeBRepBuild_Loop)& L)
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{
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myShape.Nullify();
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TopOpeBRepBuild_BlockIterator Bit = L->BlockIterator();
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Bit.Initialize();
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if ( !Bit.More() ) return myShape;
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TopoDS_Shape aLocalShape = myBCEdge.Face();
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const TopoDS_Face& F1 = TopoDS::Face(aLocalShape);
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// const TopoDS_Face& F1 = TopoDS::Face(myBCEdge.Face());
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aLocalShape = F1.EmptyCopied();
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TopoDS_Face F = TopoDS::Face(aLocalShape);
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// TopoDS_Face F = TopoDS::Face(F1.EmptyCopied());
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BRep_Builder BB; TopoDS_Wire W; BB.MakeWire(W);
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for (; Bit.More(); Bit.Next()) {
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const TopoDS_Edge& E = TopoDS::Edge(MYBB->Element(Bit));
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Standard_Real tolE; tolE = BRep_Tool::Tolerance(E);
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Standard_Boolean haspc = FC2D_HasCurveOnSurface(E,F);
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if (!haspc) {
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Standard_Real f,l,tolpc;Handle(Geom2d_Curve) C2D;
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C2D = FC2D_CurveOnSurface(E,F,f,l,tolpc);
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if (!C2D.IsNull()) {
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Standard_Real tol = Max(tolpc,tolE);
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BB.UpdateEdge(E,C2D,F,tol);
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}
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}
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BB.Add(W,E);
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}
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BB.Add(F,W);
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myShape = F;
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return myShape;
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}
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static gp_Vec FUN_tgINE(const TopoDS_Vertex& v, const TopoDS_Vertex& vl, const TopoDS_Edge& e)
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// tg oriented INSIDE 1d(e)
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// vl : last vertex of e
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{
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Standard_Real par = BRep_Tool::Parameter(v,e);
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gp_Vec tg; Standard_Boolean ok = TopOpeBRepTool_TOOL::TggeomE(par,e,tg);
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if (!ok) return gp_Vec(0.,0.,0.); //NYIRAISE
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if (v.IsSame(vl)) tg.Reverse();
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return tg;
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}
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//=======================================================================
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//function : CompareShapes
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_WireEdgeClassifier::CompareShapes
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(const TopoDS_Shape& B1, const TopoDS_Shape& B2)
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{
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// evolution xpu101198 : - cto009K4, regularisation de f24,
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// on classifie 1 wire / 1 des wires connexes.
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// (face rectangulaire - face circulaire tangente aux bords) -
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// WEC completement aleatoire : depend du choix de e1 dans le cas
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// ou e1 est tangent a E. - e1 droite touche l'autre wire -
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// on fait l'hypothese que les shapes B1 et B2 proviennent du meme shape,
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// et que si ils ne se touchent pas, on ne passe pas par le WEC.
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// INCOMPLET!!!
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#ifdef OCCT_DEBUG
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// TopAbs_ShapeEnum t1 = B1.ShapeType();
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// TopAbs_ShapeEnum t2 = B2.ShapeType();
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#endif
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TopAbs_State state = TopAbs_UNKNOWN;
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TopExp_Explorer ex1(B1,TopAbs_EDGE);
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if ( !ex1.More() ) return state;
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for ( ; ex1.More(); ex1.Next() ) {
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const TopoDS_Edge& e1 = TopoDS::Edge(ex1.Current());
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TopoDS_Vertex vf1,vl1; TopExp::Vertices(e1,vf1,vl1);//xpu101198
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Standard_Boolean e1clo = vf1.IsSame(vl1);
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TopTools_IndexedMapOfShape mapv1; mapv1.Add(vf1); mapv1.Add(vl1);
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ResetShape(e1);
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Standard_Boolean indy = Standard_False;
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TopExp_Explorer Ex;
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for(Ex.Init(B2,TopAbs_EDGE); Ex.More(); Ex.Next()) {
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// for(TopExp_Explorer Ex(B2,TopAbs_EDGE); Ex.More(); Ex.Next()) {
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const TopoDS_Edge& E = TopoDS::Edge(Ex.Current());
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if (E.IsSame(e1)) { state = TopAbs_UNKNOWN; break; } // eap occ416
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TopoDS_Vertex vf,vl; TopExp::Vertices(E,vf,vl);//xpu101198
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Standard_Boolean Eclo = vf.IsSame(vl);//xpu101198
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Standard_Boolean hasf = mapv1.Contains(vf);//xpu101198
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Standard_Boolean hasl = mapv1.Contains(vl);//xpu101198
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Standard_Boolean filter = (hasf || hasl) && (!e1clo) && (!Eclo);// nyi : Eclo || e1clo
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if (filter) {//xpu101198
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TopoDS_Vertex vshared; if (hasf) vshared=vf; if (hasl) vshared=vl;
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gp_Vec tg1 = FUN_tgINE(vshared,vl1,e1);
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gp_Vec tg = FUN_tgINE(vshared,vl,E);
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Standard_Real dot = tg1.Dot(tg);
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Standard_Real tol = Precision::Angular()*1.e4; // nyixpu
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Standard_Boolean undecided = (Abs(1+dot) < tol);
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if (undecided) {indy = Standard_True;}
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}//xpu101198
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if (indy) {state = TopAbs_UNKNOWN; break;}
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CompareElement(E);
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state = State();
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} // ex(B2,EDGE)
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if (state != TopAbs_UNKNOWN) {
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break;
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}
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}// ex1
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Standard_Boolean resta = (state == TopAbs_UNKNOWN);
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resta = resta && (B2.ShapeType()==TopAbs_WIRE) && (B1.ShapeType()==TopAbs_WIRE);
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if (resta) {
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TopTools_IndexedMapOfShape mape1; TopExp::MapShapes(B1,TopAbs_EDGE,mape1);
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// recall : avoid auto-intersection wires (ie B1 and B2 are disjoint)
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TopExp_Explorer ex2(B2,TopAbs_EDGE);
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for (; ex2.More(); ex2.Next()){
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const TopoDS_Edge& E2 = TopoDS::Edge(ex2.Current());
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if (mape1.Contains(E2)) continue;
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const TopoDS_Face& theFace = myBCEdge.Face();
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BRep_Builder BB;
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// p2d on E2 of B2, E2 not shared by B1
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TopoDS_Shape aLocalShape = theFace.Oriented(TopAbs_FORWARD);
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TopoDS_Face ftmp = TopoDS::Face(aLocalShape);
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// TopoDS_Face ftmp = TopoDS::Face(theFace.Oriented(TopAbs_FORWARD));
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aLocalShape = ftmp.EmptyCopied();
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TopoDS_Face F2 = TopoDS::Face(aLocalShape);
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// TopoDS_Face F2 = TopoDS::Face(ftmp.EmptyCopied());
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BB.Add(F2,TopoDS::Wire(B2));
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BRepAdaptor_Curve2d BC2d(E2,F2);
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Standard_Real f,l; FUN_tool_bounds(E2,f,l); Standard_Real x = 0.45678; Standard_Real p2 = (1-x)*l + x*f;
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gp_Pnt2d p2d = BC2d.Value(p2);
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aLocalShape = ftmp.EmptyCopied();
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TopoDS_Face F1 = TopoDS::Face(aLocalShape);
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// TopoDS_Face F1 = TopoDS::Face(ftmp.EmptyCopied());
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BB.Add(F1,TopoDS::Wire(B1));
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Standard_Real tolF1 = BRep_Tool::Tolerance(F1);
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BRepClass_FaceClassifier Fclass(F1, p2d, tolF1);
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state = Fclass.State();
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return state;
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} // ex2
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}
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/*if (state == TopAbs_UNKNOWN) {
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const TopoDS_Face& F = TopoDS::Face(myBCEdge.Face());
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Bnd_Array1OfBox2d bnd(1,2);
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FUN_tool_mkBnd2d(B1,F,bnd(1)); FUN_tool_mkBnd2d(B2,F,bnd(2));
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TopTools_Array1OfShape B(1,2);
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B(1)=B1; B(2)=B2;
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// Standard_Boolean chklarge=Standard_True; Standard_Integer isma = 0; TopAbs_State osta = FUN_tool_classiBnd2d(bnd,isma,chklarge);
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// if (osta == TopAbs_OUT) return TopAbs_OUT;
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// if (osta == TopAbs_IN) {
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// if (isma == 2) return TopAbs_IN; //B2 is IN B1
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// else return TopAbs_OUT; //B2 is OUT B1 (contains B1)
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// }
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Standard_Boolean chklarge=Standard_True; Standard_Integer sta = FUN_tool_classiBnd2d(bnd,chklarge);
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if ((sta == SAME)||(sta == UNKNOWN)) sta = FUN_tool_classiwithp2d(B);
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if ((sta == SAME)||(sta == UNKNOWN)) return TopAbs_UNKNOWN;
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if (sta == DIFF) return TopAbs_OUT; // B1 OUT B2
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Standard_Integer isma = (sta == oneINtwo) ? 1 : 2;
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if (isma == 2) return TopAbs_IN; //B2 is IN B1
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else return TopAbs_OUT; //B2 is OUT B1 (contains B1)
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}*/
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return state;
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}
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//=======================================================================
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//function : CompareElementToShape
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRepBuild_WireEdgeClassifier::CompareElementToShape
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(const TopoDS_Shape& EE,const TopoDS_Shape& B)
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{
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// isEdge : edge E inits myPoint2d
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ResetElement(EE);
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TopExp_Explorer Ex;
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for(Ex.Init(B,TopAbs_EDGE); Ex.More(); Ex.Next()) {
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const TopoDS_Shape& E = Ex.Current();
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CompareElement(E);
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}
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TopAbs_State state = State();
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return state;
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}
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//=======================================================================
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//function : ResetShape
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_WireEdgeClassifier::ResetShape(const TopoDS_Shape& B)
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{
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if (B.ShapeType() == TopAbs_EDGE) {
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ResetElement(B);
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}
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else {
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TopExp_Explorer ex(B,TopAbs_EDGE);
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if (ex.More()) {
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const TopoDS_Shape& E = ex.Current();
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ResetElement(E);
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}
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}
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}
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//=======================================================================
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//function : ResetElement
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//purpose :
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//=======================================================================
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void TopOpeBRepBuild_WireEdgeClassifier::ResetElement(const TopoDS_Shape& EE)
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{
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const TopoDS_Edge& E = TopoDS::Edge(EE);
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const TopoDS_Face& F = myBCEdge.Face();
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Standard_Real f2,l2,tolpc;Handle(Geom2d_Curve) C2D; //jyl980406+
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Standard_Boolean haspc = FC2D_HasCurveOnSurface(E,F); //jyl980406+
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if (!haspc) { //jyl980406+
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Standard_Boolean trim3d = Standard_True; C2D = FC2D_CurveOnSurface(E,F,f2,l2,tolpc,trim3d); //jyl980406+
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Standard_Real tolE = BRep_Tool::Tolerance(E); //jyl980406+
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Standard_Real tol = Max(tolE,tolpc); //jyl980406+
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BRep_Builder BB; BB.UpdateEdge(E,C2D,F,tol); //jyl980406+
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} //jyl980406+
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C2D = FC2D_CurveOnSurface(E,F,f2,l2,tolpc);
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if (C2D.IsNull()) throw Standard_ProgramError("WEC : ResetElement");
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Standard_Real t = 0.397891143689; Standard_Real par = ((1-t)*f2 + t*l2);
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myPoint2d = C2D->Value(par);
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#ifdef OCCT_DEBUG
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Standard_Real f3,l3; Handle(Geom_Curve) C3D = BRep_Tool::Curve(E,f3,l3);
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gp_Pnt P3D; if (!C3D.IsNull()) P3D = C3D->Value(par);
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#endif
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myFirstCompare = Standard_True;
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}
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//=======================================================================
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//function : CompareElement
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//purpose :
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//=======================================================================
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Standard_Boolean TopOpeBRepBuild_WireEdgeClassifier::CompareElement(const TopoDS_Shape& EE)
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{
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Standard_Boolean bRet = Standard_True;
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const TopoDS_Edge& E = TopoDS::Edge(EE);
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const TopoDS_Face& F = myBCEdge.Face();
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Standard_Real f2,l2,tolpc;Handle(Geom2d_Curve) C2D; //jyl980402+
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Standard_Boolean haspc = FC2D_HasCurveOnSurface(E,F); //jyl980402+
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if (!haspc) { //jyl980402+
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Standard_Boolean trim3d = Standard_True; C2D = FC2D_CurveOnSurface(E,F,f2,l2,tolpc,trim3d); //jyl980406+
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// C2D = FC2D_CurveOnSurface(E,F,f2,l2,tolpc,trim3d); //jyl980406-
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Standard_Real tolE = BRep_Tool::Tolerance(E); //jyl980402+
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Standard_Real tol = Max(tolE,tolpc); //jyl980402+
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BRep_Builder BB; BB.UpdateEdge(E,C2D,F,tol); //jyl980402+
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} //jyl980402+
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if (myFirstCompare) {
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C2D = FC2D_CurveOnSurface(E,F,f2,l2,tolpc);
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Standard_Real t = 0.33334567; Standard_Real par = ((1-t)*f2 + t*l2);
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gp_Pnt2d p2d = C2D->Value(par);
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#ifdef OCCT_DEBUG
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Standard_Real f3,l3; Handle(Geom_Curve) C3D = BRep_Tool::Curve(E,f3,l3);
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gp_Pnt P3D; if (!C3D.IsNull()) P3D = C3D->Value(par);
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#endif
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// NYI : p2d peut etre un point ou la courbe n'est pas C1.
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// NYI : voir TopOpeBRepTool_ShapeClassifier_FindAPointInTheFace
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gp_Vec2d v2d(myPoint2d,p2d);
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gp_Lin2d l2d(myPoint2d,v2d);
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Standard_Real dist = myPoint2d.Distance(p2d);
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Standard_Real tol2d = Precision::PConfusion(); // NYI : a voir
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myFPC.Reset(l2d,dist,tol2d);
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myFirstCompare = Standard_False;
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}
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myBCEdge.Edge() = E;
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TopAbs_Orientation Eori = E.Orientation();
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myFPC.Compare(myBCEdge,Eori);
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#ifdef OCCT_DEBUG
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// TopAbs_State state = myFPC.State();
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#endif
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return bRet;
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}
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//=======================================================================
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//function : State
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//purpose :
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//=======================================================================
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|
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TopAbs_State TopOpeBRepBuild_WireEdgeClassifier::State()
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{
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TopAbs_State state = myFPC.State();
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return state;
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}
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