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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
// Created on: 1993-12-06
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// Created by: Jacques GOUSSARD
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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 <Adaptor2d_HCurve2d.hxx>
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#include <Adaptor3d_HSurface.hxx>
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#include <Adaptor3d_HVertex.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepBlend_BlendTool.hxx>
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#include <BRepBlend_HCurve2dTool.hxx>
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#include <BRepClass_FaceClassifier.hxx>
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#include <Extrema_EPCOfExtPC2d.hxx>
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#include <Extrema_POnCurv2d.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2dInt_GInter.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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#include <IntRes2d_IntersectionPoint.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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//=======================================================================
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//function : Project
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//purpose : Projection orthogonal d'un point sur une courbe
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// pmn 8/10/98 : On retourne toujours une distance. (BUC60360)
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//=======================================================================
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Standard_Boolean BRepBlend_BlendTool::Project(const gp_Pnt2d& P,
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const Handle(Adaptor3d_HSurface)&,
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const Handle(Adaptor2d_HCurve2d)& C,
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Standard_Real& Paramproj,
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Standard_Real& Dist)
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{
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Paramproj = BRepBlend_HCurve2dTool::FirstParameter(C);
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gp_Pnt2d P2d;
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BRepBlend_HCurve2dTool::D0(C, Paramproj, P2d);
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Dist = P2d.Distance(P);
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const Standard_Real t = BRepBlend_HCurve2dTool::LastParameter(C);
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BRepBlend_HCurve2dTool::D0(C, t, P2d);
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if (P2d.Distance(P) < Dist) {
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Paramproj = t;
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Dist = P2d.Distance(P);
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}
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const Standard_Real epsX = 1.e-8;
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const Standard_Integer Nbu = 20;
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const Standard_Real Tol = 1.e-5;
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Extrema_EPCOfExtPC2d extrema(P, C->Curve2d(), Nbu, epsX, Tol);
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if (!extrema.IsDone())
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return Standard_True;
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const Standard_Integer Nbext = extrema.NbExt();
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Standard_Real aDist2 = Dist * Dist;
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for (Standard_Integer i=1; i<=Nbext; i++) {
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if (extrema.SquareDistance(i) < aDist2) {
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aDist2 = extrema.SquareDistance(i);
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Paramproj = extrema.Point(i).Parameter();
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}
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}
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Dist = sqrt (aDist2);
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return Standard_True;
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}
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//=======================================================================
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//function : Inters
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//purpose : Intersection d'un segment avec une courbe
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//=======================================================================
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Standard_Boolean BRepBlend_BlendTool::Inters(const gp_Pnt2d& P1,
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const gp_Pnt2d& P2,
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const Handle(Adaptor3d_HSurface)&,
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const Handle(Adaptor2d_HCurve2d)& C,
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Standard_Real& Param,
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Standard_Real& Dist)
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{
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const Standard_Real Tol = 1.e-8;
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const gp_Vec2d v(P1,P2);
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const Standard_Real mag = v.Magnitude();
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if(mag < Tol) return Standard_False;
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gp_Dir2d d(v);
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Handle(Geom2d_Line) bid = new Geom2d_Line(P1,d);
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Geom2dAdaptor_Curve seg(bid,-0.01*mag,1.01*mag);
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Geom2dInt_GInter inter(seg,C->Curve2d(),Tol,Tol);
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if (!inter.IsDone())
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return Standard_False;
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const Standard_Integer Nbint = inter.NbPoints();
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if (Nbint == 0)
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return Standard_False;
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IntRes2d_IntersectionPoint ip = inter.Point(1);
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Param = ip.ParamOnSecond();
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Dist = P1.Distance(ip.Value());
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return Standard_True;
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}
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Standard_Integer BRepBlend_BlendTool::NbSamplesV
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(const Handle(Adaptor3d_HSurface)&,
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const Standard_Real,
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const Standard_Real)
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{
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return 10;
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}
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Standard_Integer BRepBlend_BlendTool::NbSamplesU
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(const Handle(Adaptor3d_HSurface)&,
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const Standard_Real,
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const Standard_Real)
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{
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return 10;
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}
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void BRepBlend_BlendTool::Bounds(const Handle(Adaptor2d_HCurve2d)& A,
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Standard_Real& Ufirst,
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Standard_Real& Ulast)
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{
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Ufirst = BRepBlend_HCurve2dTool::FirstParameter(A);
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Ulast = BRepBlend_HCurve2dTool::LastParameter(A);
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}
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