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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
1239 lines
30 KiB
C++
1239 lines
30 KiB
C++
// Created on: 1993-07-23
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// Created by: Joelle CHAUVET
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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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// Modified: Wed Oct 23 09:17:47 1996
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// check ponctuallity (PRO4896)
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#include <BRepLib_MakeEdge.ixx>
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#include <BRepLib.hxx>
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#include <BRep_Tool.hxx>
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#include <BRep_Builder.hxx>
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#include <TopoDS.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_Ellipse.hxx>
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#include <Geom_Parabola.hxx>
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#include <Geom_Hyperbola.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <Geom2dAdaptor_HCurve.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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#include <Adaptor3d_CurveOnSurface.hxx>
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#include <Extrema_ExtPC.hxx>
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#include <gp.hxx>
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#include <ElCLib.hxx>
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#include <Precision.hxx>
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//=======================================================================
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//function : Project
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//purpose : project a vertex on a curve
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//=======================================================================
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static Standard_Boolean Project(const Handle(Geom_Curve)& C,
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const TopoDS_Vertex& V,
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Standard_Real& p)
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{
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Standard_Real Eps2 = BRep_Tool::Tolerance(V);
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Eps2 *= Eps2;
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gp_Pnt P = BRep_Tool::Pnt(V);
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GeomAdaptor_Curve GAC(C);
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// Afin de faire les extremas, on verifie les distances en bout
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Standard_Real D1,D2;
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gp_Pnt P1,P2;
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P1 = GAC.Value(GAC.FirstParameter());
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P2 = GAC.Value(GAC.LastParameter());
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D1 = P1.SquareDistance(P);
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D2 = P2.SquareDistance(P);
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if ( (D1 < D2) && (D1 <= Eps2) ) {
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p = GAC.FirstParameter();
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return Standard_True;
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}
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else if ( (D2 < D1) && (D2 <= Eps2) ) {
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p = GAC.LastParameter();
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return Standard_True;
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}
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// Sinon, on calcule les extremas.
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Extrema_ExtPC extrema(P,GAC);
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if (extrema.IsDone()) {
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Standard_Integer i, index = 0, n = extrema.NbExt();
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Standard_Real Dist2 = RealLast(), dist2min;
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for (i = 1; i <= n; i++) {
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dist2min = extrema.SquareDistance(i);
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if (dist2min < Dist2) {
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index = i;
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Dist2 = dist2min;
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}
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}
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if (index != 0) {
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if (Dist2 <= Eps2) {
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p = (extrema.Point(index)).Parameter();
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return Standard_True;
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}
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}
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}
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return Standard_False;
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}
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//=======================================================================
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//function : Project
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//purpose : project a vertex on a curve on surface
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//=======================================================================
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static Standard_Boolean Project(const Handle(Geom2d_Curve)& C,
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const Handle(Geom_Surface)& S,
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const TopoDS_Vertex& V,
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Standard_Real& p)
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{
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gp_Pnt P = BRep_Tool::Pnt(V);
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Standard_Real Eps2 = BRep_Tool::Tolerance(V);
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Eps2 *= Eps2;
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Handle(Geom2dAdaptor_HCurve) HG2AHC = new Geom2dAdaptor_HCurve();
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HG2AHC->Set(C);
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Handle(GeomAdaptor_HSurface) HGAHS = new GeomAdaptor_HSurface();
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HGAHS->Set(S);
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Adaptor3d_CurveOnSurface ACOS(HG2AHC,HGAHS);
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Standard_Real D1,D2;
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gp_Pnt P1,P2;
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P1 = ACOS.Value(ACOS.FirstParameter());
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P2 = ACOS.Value(ACOS.LastParameter());
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D1 = P1.SquareDistance(P);
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D2 = P2.SquareDistance(P);
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if ( (D1 < D2) && (D1 <= Eps2) ) {
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p = ACOS.FirstParameter();
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return Standard_True;
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}
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else if ( (D2 < D1) && (D2 <= Eps2) ) {
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p = ACOS.LastParameter();
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return Standard_True;
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}
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Extrema_ExtPC extrema(P,ACOS);
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if (extrema.IsDone()) {
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Standard_Integer i, index = 0, n = extrema.NbExt();
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Standard_Real Dist2 = RealLast(), dist2min;
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for (i = 1; i <= n; i++) {
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dist2min = extrema.SquareDistance(i);
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if (dist2min < Dist2) {
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index = i;
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Dist2 = dist2min;
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}
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}
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if (index != 0) {
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Extrema_POnCurv POC = extrema.Point(index);
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if (P.SquareDistance(POC.Value()) <= Precision::SquareConfusion()) {
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p = POC.Parameter();
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return Standard_True;
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}
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}
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}
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return Standard_False;
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge()
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{}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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gp_Pnt P1 = BRep_Tool::Pnt(V1);
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gp_Pnt P2 = BRep_Tool::Pnt(V2);
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Standard_Real l = P1.Distance(P2);
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if (l <= gp::Resolution()) {
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myError = BRepLib_LineThroughIdenticPoints;
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return;
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}
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gp_Lin L(P1,gp_Vec(P1,P2));
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL,V1,V2,0,l);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Standard_Real l = P1.Distance(P2);
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if (l <= gp::Resolution()) {
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myError = BRepLib_LineThroughIdenticPoints;
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return;
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}
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gp_Lin L(P1,gp_Vec(P1,P2));
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL,P1,P2,0,l);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Lin& L)
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{
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Lin& L,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Lin& L,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Lin& L,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Handle(Geom_Line) GL = new Geom_Line(L);
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Init(GL,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Circ& C)
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{
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Handle(Geom_Circle) GC = new Geom_Circle(C);
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Init(GC);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Circ& C,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Handle(Geom_Circle) GC = new Geom_Circle(C);
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Init(GC,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Circ& C,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Handle(Geom_Circle) GC = new Geom_Circle(C);
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Init(GC,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Circ& C,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Handle(Geom_Circle) GC = new Geom_Circle(C);
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Init(GC,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Elips& E)
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{
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Handle(Geom_Ellipse) GE = new Geom_Ellipse(E);
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Init(GE);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Elips& E,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Handle(Geom_Ellipse) GE = new Geom_Ellipse(E);
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Init(GE,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Elips& E,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Handle(Geom_Ellipse) GE = new Geom_Ellipse(E);
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Init(GE,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Elips& E,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Handle(Geom_Ellipse) GE = new Geom_Ellipse(E);
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Init(GE,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Hypr& H)
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{
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Handle(Geom_Hyperbola) GH = new Geom_Hyperbola(H);
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Init(GH);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Hypr& H,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Handle(Geom_Hyperbola) GH = new Geom_Hyperbola(H);
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Init(GH,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Hypr& H,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Handle(Geom_Hyperbola) GH = new Geom_Hyperbola(H);
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Init(GH,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Hypr& H,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Handle(Geom_Hyperbola) GH = new Geom_Hyperbola(H);
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Init(GH,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Parab& P)
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{
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Handle(Geom_Parabola) GP = new Geom_Parabola(P);
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Init(GP);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Parab& P,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Handle(Geom_Parabola) GP = new Geom_Parabola(P);
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Init(GP,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Parab& P,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Handle(Geom_Parabola) GP = new Geom_Parabola(P);
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Init(GP,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const gp_Parab& P,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Handle(Geom_Parabola) GP = new Geom_Parabola(P);
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Init(GP,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L)
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{
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Init(L);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Init(L,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
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const gp_Pnt& P1,
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const gp_Pnt& P2)
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{
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Init(L,P1,P2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2)
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{
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Init(L,V1,V2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
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const gp_Pnt& P1,
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const gp_Pnt& P2,
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const Standard_Real p1,
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const Standard_Real p2)
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{
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Init(L,P1,P2,p1,p2);
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}
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//=======================================================================
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//function : BRepLib_MakeEdge
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//purpose :
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//=======================================================================
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BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
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const TopoDS_Vertex& V1,
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const TopoDS_Vertex& V2,
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const Standard_Real p1,
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const Standard_Real p2)
|
|
{
|
|
Init(L,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S)
|
|
{
|
|
Init(L,S);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
Init(L,S,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2)
|
|
{
|
|
Init(L,S,P1,P2);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S,
|
|
const TopoDS_Vertex& V1,
|
|
const TopoDS_Vertex& V2)
|
|
{
|
|
Init(L,S,V1,V2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
Init(L,S,P1,P2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : BRepLib_MakeEdge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
|
|
const Handle(Geom_Surface)& S,
|
|
const TopoDS_Vertex& V1,
|
|
const TopoDS_Vertex& V2,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
Init(L,S,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& C)
|
|
{
|
|
Init(C,C->FirstParameter(),C->LastParameter());
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& C,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
// BRep_Builder B;
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
Init(C,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& C,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2)
|
|
{
|
|
Standard_Real Tol = BRepLib::Precision();
|
|
|
|
BRep_Builder B;
|
|
TopoDS_Vertex V1,V2;
|
|
B.MakeVertex(V1,P1,Tol);
|
|
if (P1.Distance(P2) < Tol)
|
|
V2 = V1;
|
|
else
|
|
B.MakeVertex(V2,P2,Tol);
|
|
|
|
Init(C,V1,V2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& C,
|
|
const TopoDS_Vertex& V1,
|
|
const TopoDS_Vertex& V2)
|
|
{
|
|
// try projecting the vertices on the curve
|
|
|
|
Standard_Real p1,p2;
|
|
|
|
if (V1.IsNull())
|
|
p1 = C->FirstParameter();
|
|
else
|
|
if (!Project(C,V1,p1)) {
|
|
myError = BRepLib_PointProjectionFailed;
|
|
return;
|
|
}
|
|
if (V2.IsNull())
|
|
p2 = C->LastParameter();
|
|
else
|
|
if (!Project(C,V2,p2)) {
|
|
myError = BRepLib_PointProjectionFailed;
|
|
return;
|
|
}
|
|
|
|
Init(C,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& C,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
Standard_Real Tol = BRepLib::Precision();
|
|
BRep_Builder B;
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
B.MakeVertex(V1,P1,Tol);
|
|
if (P1.Distance(P2) < Tol)
|
|
V2 = V1;
|
|
else
|
|
B.MakeVertex(V2,P2,Tol);
|
|
|
|
Init(C,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose : this one really makes the job ...
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom_Curve)& CC,
|
|
const TopoDS_Vertex& VV1,
|
|
const TopoDS_Vertex& VV2,
|
|
const Standard_Real pp1,
|
|
const Standard_Real pp2)
|
|
{
|
|
// kill trimmed curves
|
|
Handle(Geom_Curve) C = CC;
|
|
Handle(Geom_TrimmedCurve) CT = Handle(Geom_TrimmedCurve)::DownCast(C);
|
|
while (!CT.IsNull()) {
|
|
C = CT->BasisCurve();
|
|
CT = Handle(Geom_TrimmedCurve)::DownCast(C);
|
|
}
|
|
|
|
// check parameters
|
|
Standard_Real p1 = pp1;
|
|
Standard_Real p2 = pp2;
|
|
Standard_Real cf = C->FirstParameter();
|
|
Standard_Real cl = C->LastParameter();
|
|
Standard_Real epsilon = Precision::PConfusion();
|
|
Standard_Boolean periodic = C->IsPeriodic();
|
|
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
if (periodic) {
|
|
// adjust in period
|
|
ElCLib::AdjustPeriodic(cf,cl,epsilon,p1,p2);
|
|
V1 = VV1;
|
|
V2 = VV2;
|
|
}
|
|
else {
|
|
// reordonate
|
|
if (p1 < p2) {
|
|
V1 = VV1;
|
|
V2 = VV2;
|
|
}
|
|
else {
|
|
V2 = VV1;
|
|
V1 = VV2;
|
|
Standard_Real x = p1;
|
|
p1 = p2;
|
|
p2 = x;
|
|
}
|
|
|
|
// check range
|
|
if ((cf - p1 > epsilon) || (p2 - cl > epsilon)) {
|
|
myError = BRepLib_ParameterOutOfRange;
|
|
return;
|
|
}
|
|
|
|
// check ponctuallity
|
|
if ((p2-p1) <= gp::Resolution()) {
|
|
myError = BRepLib_LineThroughIdenticPoints;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// compute points on the curve
|
|
Standard_Boolean p1inf = Precision::IsNegativeInfinite(p1);
|
|
Standard_Boolean p2inf = Precision::IsPositiveInfinite(p2);
|
|
gp_Pnt P1,P2;
|
|
if (!p1inf) P1 = C->Value(p1);
|
|
if (!p2inf) P2 = C->Value(p2);
|
|
|
|
Standard_Real preci = BRepLib::Precision();
|
|
BRep_Builder B;
|
|
|
|
// check for closed curve
|
|
Standard_Boolean closed = Standard_False;
|
|
if (!p1inf && !p2inf)
|
|
closed = (P1.Distance(P2) <= preci);
|
|
|
|
// check if the vertices are on the curve
|
|
if (closed) {
|
|
if (V1.IsNull() && V2.IsNull()) {
|
|
B.MakeVertex(V1,P1,preci);
|
|
V2 = V1;
|
|
}
|
|
else if (V1.IsNull())
|
|
V1 = V2;
|
|
else if (V2.IsNull())
|
|
V2 = V1;
|
|
else {
|
|
if (!V1.IsSame(V2)) {
|
|
myError = BRepLib_DifferentPointsOnClosedCurve;
|
|
return;
|
|
}
|
|
else if (P1.Distance(BRep_Tool::Pnt(V1)) >
|
|
Max(preci,BRep_Tool::Tolerance(V1))) {
|
|
myError = BRepLib_DifferentPointsOnClosedCurve;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
else { // not closed
|
|
|
|
if (p1inf) {
|
|
if (!V1.IsNull()) {
|
|
myError = BRepLib_PointWithInfiniteParameter;
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
if (V1.IsNull()) {
|
|
B.MakeVertex(V1,P1,preci);
|
|
}
|
|
else if (P1.Distance(BRep_Tool::Pnt(V1)) >
|
|
Max(preci,BRep_Tool::Tolerance(V1))) {
|
|
myError = BRepLib_DifferentsPointAndParameter;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (p2inf) {
|
|
if (!V2.IsNull()) {
|
|
myError = BRepLib_PointWithInfiniteParameter;
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
if (V2.IsNull()) {
|
|
B.MakeVertex(V2,P2,preci);
|
|
}
|
|
else if (P2.Distance(BRep_Tool::Pnt(V2)) >
|
|
Max(preci,BRep_Tool::Tolerance(V2))){
|
|
myError = BRepLib_DifferentsPointAndParameter;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
V1.Orientation(TopAbs_FORWARD);
|
|
V2.Orientation(TopAbs_REVERSED);
|
|
myVertex1 = V1;
|
|
myVertex2 = V2;
|
|
|
|
TopoDS_Edge& E = TopoDS::Edge(myShape);
|
|
B.MakeEdge(E,C,preci);
|
|
if (!V1.IsNull()) {
|
|
B.Add(E,V1);
|
|
}
|
|
if (!V2.IsNull()) {
|
|
B.Add(E,V2);
|
|
}
|
|
B.Range(E,p1,p2);
|
|
|
|
myError = BRepLib_EdgeDone;
|
|
Done();
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& C,
|
|
const Handle(Geom_Surface)& S)
|
|
{
|
|
Init(C,S,C->FirstParameter(),C->LastParameter());
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& C,
|
|
const Handle(Geom_Surface)& S,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
// BRep_Builder B;
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
Init(C,S,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& C,
|
|
const Handle(Geom_Surface)& S,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2)
|
|
{
|
|
Standard_Real Tol = BRepLib::Precision();
|
|
|
|
BRep_Builder B;
|
|
TopoDS_Vertex V1,V2;
|
|
B.MakeVertex(V1,P1,Tol);
|
|
if (P1.Distance(P2) < Tol)
|
|
V2 = V1;
|
|
else
|
|
B.MakeVertex(V2,P2,Tol);
|
|
|
|
Init(C,S,V1,V2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& C,
|
|
const Handle(Geom_Surface)& S,
|
|
const TopoDS_Vertex& V1,
|
|
const TopoDS_Vertex& V2)
|
|
{
|
|
// try projecting the vertices on the curve
|
|
|
|
Standard_Real p1,p2;
|
|
|
|
if (V1.IsNull())
|
|
p1 = C->FirstParameter();
|
|
else
|
|
if (!Project(C,S,V1,p1)) {
|
|
myError = BRepLib_PointProjectionFailed;
|
|
return;
|
|
}
|
|
if (V2.IsNull())
|
|
p2 = C->LastParameter();
|
|
else
|
|
if (!Project(C,S,V2,p2)) {
|
|
myError = BRepLib_PointProjectionFailed;
|
|
return;
|
|
}
|
|
|
|
Init(C,S,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& C,
|
|
const Handle(Geom_Surface)& S,
|
|
const gp_Pnt& P1,
|
|
const gp_Pnt& P2,
|
|
const Standard_Real p1,
|
|
const Standard_Real p2)
|
|
{
|
|
Standard_Real Tol = BRepLib::Precision();
|
|
BRep_Builder B;
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
B.MakeVertex(V1,P1,Tol);
|
|
if (P1.Distance(P2) < Tol)
|
|
V2 = V1;
|
|
else
|
|
B.MakeVertex( V2, P2, Tol);
|
|
|
|
Init(C,S,V1,V2,p1,p2);
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Init
|
|
//purpose : this one really makes the job ...
|
|
//=======================================================================
|
|
|
|
void BRepLib_MakeEdge::Init(const Handle(Geom2d_Curve)& CC,
|
|
const Handle(Geom_Surface)& S,
|
|
const TopoDS_Vertex& VV1,
|
|
const TopoDS_Vertex& VV2,
|
|
const Standard_Real pp1,
|
|
const Standard_Real pp2)
|
|
{
|
|
// kill trimmed curves
|
|
Handle(Geom2d_Curve) C = CC;
|
|
Handle(Geom2d_TrimmedCurve) CT = Handle(Geom2d_TrimmedCurve)::DownCast(C);
|
|
while (!CT.IsNull()) {
|
|
C = CT->BasisCurve();
|
|
CT = Handle(Geom2d_TrimmedCurve)::DownCast(C);
|
|
}
|
|
|
|
// check parameters
|
|
Standard_Real p1 = pp1;
|
|
Standard_Real p2 = pp2;
|
|
Standard_Real cf = C->FirstParameter();
|
|
Standard_Real cl = C->LastParameter();
|
|
Standard_Real epsilon = Precision::PConfusion();
|
|
Standard_Boolean periodic = C->IsPeriodic();
|
|
|
|
|
|
TopoDS_Vertex V1,V2;
|
|
Standard_Boolean reverse = Standard_False;
|
|
|
|
if (periodic) {
|
|
// adjust in period
|
|
ElCLib::AdjustPeriodic(cf,cl,epsilon,p1,p2);
|
|
V1 = VV1;
|
|
V2 = VV2;
|
|
}
|
|
else {
|
|
// reordonate
|
|
if (p1 < p2) {
|
|
V1 = VV1;
|
|
V2 = VV2;
|
|
}
|
|
else {
|
|
V2 = VV1;
|
|
V1 = VV2;
|
|
Standard_Real x = p1;
|
|
p1 = p2;
|
|
p2 = x;
|
|
reverse = Standard_True;
|
|
}
|
|
|
|
// check range
|
|
if ((cf - p1 > epsilon) || (p2 - cl > epsilon)) {
|
|
myError = BRepLib_ParameterOutOfRange;
|
|
return;
|
|
}
|
|
}
|
|
|
|
// compute points on the curve
|
|
Standard_Boolean p1inf = Precision::IsNegativeInfinite(p1);
|
|
Standard_Boolean p2inf = Precision::IsPositiveInfinite(p2);
|
|
gp_Pnt P1,P2;
|
|
gp_Pnt2d P2d1,P2d2;
|
|
if (!p1inf) {
|
|
P2d1 = C->Value(p1);
|
|
P1 = S->Value(P2d1.X(),P2d1.Y());
|
|
}
|
|
if (!p2inf) {
|
|
P2d2 = C->Value(p2);
|
|
P2 = S->Value(P2d2.X(),P2d2.Y());
|
|
}
|
|
|
|
Standard_Real preci = BRepLib::Precision();
|
|
BRep_Builder B;
|
|
|
|
// check for closed curve
|
|
Standard_Boolean closed = Standard_False;
|
|
if (!p1inf && !p2inf)
|
|
closed = (P1.Distance(P2) <= preci);
|
|
|
|
// check if the vertices are on the curve
|
|
if (closed) {
|
|
if (V1.IsNull() && V2.IsNull()) {
|
|
B.MakeVertex(V1,P1,preci);
|
|
V2 = V1;
|
|
}
|
|
else if (V1.IsNull())
|
|
V1 = V2;
|
|
else if (V2.IsNull())
|
|
V2 = V1;
|
|
else {
|
|
if (!V1.IsSame(V2)) {
|
|
myError = BRepLib_DifferentPointsOnClosedCurve;
|
|
return;
|
|
}
|
|
else if (P1.Distance(BRep_Tool::Pnt(V1)) >
|
|
Max(preci,BRep_Tool::Tolerance(V1))) {
|
|
myError = BRepLib_DifferentPointsOnClosedCurve;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
else { // not closed
|
|
|
|
if (p1inf) {
|
|
if (!V1.IsNull()) {
|
|
myError = BRepLib_PointWithInfiniteParameter;
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
if (V1.IsNull()) {
|
|
B.MakeVertex(V1,P1,preci);
|
|
}
|
|
else if (P1.Distance(BRep_Tool::Pnt(V1)) >
|
|
Max(preci,BRep_Tool::Tolerance(V1))) {
|
|
myError = BRepLib_DifferentsPointAndParameter;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (p2inf) {
|
|
if (!V2.IsNull()) {
|
|
myError = BRepLib_PointWithInfiniteParameter;
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
if (V2.IsNull()) {
|
|
B.MakeVertex(V2,P2,preci);
|
|
}
|
|
else if (P2.Distance(BRep_Tool::Pnt(V2)) >
|
|
Max(preci,BRep_Tool::Tolerance(V2))){
|
|
myError = BRepLib_DifferentsPointAndParameter;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
V1.Orientation(TopAbs_FORWARD);
|
|
V2.Orientation(TopAbs_REVERSED);
|
|
myVertex1 = V1;
|
|
myVertex2 = V2;
|
|
|
|
TopoDS_Edge& E = TopoDS::Edge(myShape);
|
|
B.MakeEdge(E);
|
|
B.UpdateEdge(E,C,S,TopLoc_Location(),preci);
|
|
|
|
if (!V1.IsNull()) {
|
|
B.Add(E,V1);
|
|
}
|
|
if (!V2.IsNull()) {
|
|
B.Add(E,V2);
|
|
}
|
|
B.Range(E,p1,p2);
|
|
|
|
if (reverse)
|
|
E.Orientation(TopAbs_REVERSED);
|
|
|
|
myError = BRepLib_EdgeDone;
|
|
Done();
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Error
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_EdgeError BRepLib_MakeEdge::Error() const
|
|
{
|
|
return myError;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Edge
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
const TopoDS_Edge& BRepLib_MakeEdge::Edge()const
|
|
{
|
|
return TopoDS::Edge(Shape());
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Vertex1
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
const TopoDS_Vertex& BRepLib_MakeEdge::Vertex1()const
|
|
{
|
|
Check();
|
|
return myVertex1;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Vertex2
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
const TopoDS_Vertex& BRepLib_MakeEdge::Vertex2()const
|
|
{
|
|
Check();
|
|
return myVertex2;
|
|
}
|
|
|
|
|
|
|
|
//=======================================================================
|
|
//function : operator
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
BRepLib_MakeEdge::operator TopoDS_Edge() const
|
|
{
|
|
return Edge();
|
|
}
|