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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.
586 lines
16 KiB
C++
586 lines
16 KiB
C++
// Created on: 1996-06-05
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// Created by: Stagiaire Xuan Trang PHAMPHU
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// Copyright (c) 1996-1999 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 : 20/08/96 PMN Ajout des methodes (Nb)Intervals et IsRationnal
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// Modified : 30/12/96 PMN Ajout GetMinimalWeight, GetSectionSize;
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#include <BlendFunc_Chamfer.ixx>
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#include <BlendFunc.hxx>
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#include <ElCLib.hxx>
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#include <Precision.hxx>
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#include <Standard_NotImplemented.hxx>
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//=======================================================================
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//function : BlendFunc_Chamfer
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//purpose :
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//=======================================================================
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BlendFunc_Chamfer::BlendFunc_Chamfer(const Handle(Adaptor3d_HSurface)& S1,
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const Handle(Adaptor3d_HSurface)& S2,
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const Handle(Adaptor3d_HCurve)& CG) :
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surf1(S1),surf2(S2),
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curv(CG),
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distmin(RealLast()),
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corde1(S1,CG),corde2(S2,CG)
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{
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}
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//=======================================================================
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//function : NbEquations
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//purpose :
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//=======================================================================
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Standard_Integer BlendFunc_Chamfer::NbEquations () const
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{
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return 4;
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Set(const Standard_Real Dist1, const Standard_Real Dist2,
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const Standard_Integer Choix)
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{
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corde1.SetDist(Dist1);
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corde2.SetDist(Dist2);
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choix = Choix;
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Set(const Standard_Real Param)
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{
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corde1.SetParam(Param);
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corde2.SetParam(Param);
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Set(const Standard_Real, const Standard_Real)
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{
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}
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//=======================================================================
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//function : GetTolerance
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::GetTolerance(math_Vector& Tolerance, const Standard_Real Tol) const
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{
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Tolerance(1) = surf1->UResolution(Tol);
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Tolerance(2) = surf1->VResolution(Tol);
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Tolerance(3) = surf2->UResolution(Tol);
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Tolerance(4) = surf2->VResolution(Tol);
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}
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//=======================================================================
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//function : GetBounds
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::GetBounds(math_Vector& InfBound, math_Vector& SupBound) const
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{
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InfBound(1) = surf1->FirstUParameter();
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InfBound(2) = surf1->FirstVParameter();
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InfBound(3) = surf2->FirstUParameter();
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InfBound(4) = surf2->FirstVParameter();
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SupBound(1) = surf1->LastUParameter();
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SupBound(2) = surf1->LastVParameter();
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SupBound(3) = surf2->LastUParameter();
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SupBound(4) = surf2->LastVParameter();
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for(Standard_Integer i = 1; i <= 4; i++){
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if(!Precision::IsInfinite(InfBound(i)) &&
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!Precision::IsInfinite(SupBound(i))) {
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const Standard_Real range = (SupBound(i) - InfBound(i));
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InfBound(i) -= range;
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SupBound(i) += range;
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}
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}
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}
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//=======================================================================
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//function : IsSolution
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::IsSolution(const math_Vector& Sol, const Standard_Real Tol)
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{
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math_Vector Sol1(1,2), Sol2(1,2);
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Sol1(1) = Sol(1);
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Sol1(2) = Sol(2);
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Sol2(1) = Sol(3);
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Sol2(2) = Sol(4);
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Standard_Boolean issol = corde1.IsSolution(Sol1,Tol);
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issol = issol && corde2.IsSolution(Sol2,Tol);
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tol = Tol;
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if (issol)
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distmin = Min (distmin, corde1.PointOnS().Distance(corde2.PointOnS()));
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return issol;
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}
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//=======================================================================
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//function : GetMinimalDistance
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//purpose :
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//=======================================================================
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Standard_Real BlendFunc_Chamfer::GetMinimalDistance() const
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{
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return distmin;
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}
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//=======================================================================
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//function : Value
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::Value(const math_Vector& X, math_Vector& F)
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{
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math_Vector x(1,2), f(1,2);
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x(1) = X(1); x(2) = X(2);
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corde1.Value(x,f);
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F(1) = f(1); F(2) = f(2);
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x(1) = X(3); x(2) = X(4);
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corde2.Value(x,f);
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F(3) = f(1); F(4) = f(2);
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return Standard_True;
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}
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//=======================================================================
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//function : Derivatives
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::Derivatives(const math_Vector& X, math_Matrix& D)
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{
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Standard_Integer i,j;
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math_Vector x(1,2);
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math_Matrix d(1,2,1,2);
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x(1) = X(1); x(2) = X(2);
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corde1.Derivatives(x,d);
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for( i=1; i<3; i++ ){
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for( j=1; j<3; j++ ){
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D(i,j) = d(i,j);
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D(i,j+2) = 0.;
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}
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}
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x(1) = X(3); x(2) = X(4);
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corde2.Derivatives(x,d);
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for( i=1; i<3; i++ ){
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for( j=1; j<3; j++ ){
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D(i+2,j+2) = d(i,j);
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D(i+2,j) = 0.;
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}
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}
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return Standard_True;
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}
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//=======================================================================
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//function : Values
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::Values(const math_Vector& X, math_Vector& F, math_Matrix& D)
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{
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Standard_Boolean val = Value(X,F);
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return (val && Derivatives(X,D));
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}
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//=======================================================================
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//function : PointOnS1
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//purpose :
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//=======================================================================
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const gp_Pnt& BlendFunc_Chamfer::PointOnS1 () const
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{
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return corde1.PointOnS();
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}
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//=======================================================================
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//function : PointOnS2
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//purpose :
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//=======================================================================
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const gp_Pnt& BlendFunc_Chamfer::PointOnS2 () const
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{
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return corde2.PointOnS();
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}
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//=======================================================================
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//function : IsTangencyPoint
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::IsTangencyPoint () const
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{
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return corde1.IsTangencyPoint() && corde2.IsTangencyPoint();
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}
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//=======================================================================
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//function : TangentOnS1
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//purpose :
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//=======================================================================
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const gp_Vec& BlendFunc_Chamfer::TangentOnS1 () const
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{
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return corde1.TangentOnS();
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}
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//=======================================================================
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//function : TangentOnS2
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//purpose :
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//=======================================================================
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const gp_Vec& BlendFunc_Chamfer::TangentOnS2 () const
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{
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return corde2.TangentOnS();
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}
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//=======================================================================
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//function : Tangent2dOnS1
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//purpose :
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//=======================================================================
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const gp_Vec2d& BlendFunc_Chamfer::Tangent2dOnS1 () const
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{
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return corde1.Tangent2dOnS();
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}
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//=======================================================================
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//function : Tangent2dOnS2
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//purpose :
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//=======================================================================
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const gp_Vec2d& BlendFunc_Chamfer::Tangent2dOnS2 () const
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{
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return corde2.Tangent2dOnS();
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}
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//=======================================================================
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//function : Tangent
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//purpose : TgF,NmF et TgL,NmL les tangentes et normales respectives
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// aux surfaces S1 et S2
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//=======================================================================
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void BlendFunc_Chamfer::Tangent(const Standard_Real U1,
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const Standard_Real V1,
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const Standard_Real U2,
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const Standard_Real V2,
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gp_Vec& TgF,
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gp_Vec& TgL,
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gp_Vec& NmF,
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gp_Vec& NmL) const
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{
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gp_Pnt pt1,pt2,ptgui;
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gp_Vec d1u1,d1v1,d1u2,d1v2;
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gp_Vec nplan;
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Standard_Boolean revF = Standard_False;
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Standard_Boolean revL = Standard_False;
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ptgui = corde1.PointOnGuide();
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nplan = corde1.NPlan();
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surf1->D1(U1,V1,pt1,d1u1,d1v1);
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NmF = d1u1.Crossed(d1v1);
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surf2->D1(U2,V2,pt2,d1u2,d1v2);
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NmL = d1u2.Crossed(d1v2);
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TgF = (nplan.Crossed(NmF)).Normalized();
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TgL = (nplan.Crossed(NmL)).Normalized();
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if( (choix == 2)||(choix == 5) ){
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revF = Standard_True;
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revL = Standard_True;
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}
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if( (choix == 4)||(choix == 7) )
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revL = Standard_True;
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if( (choix == 3)||(choix == 8) )
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revF = Standard_True;
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if( revF )
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TgF.Reverse();
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if( revL )
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TgL.Reverse();
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}
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//=======================================================================
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//function : Section
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Section(const Standard_Real /*Param*/,
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const Standard_Real U1,
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const Standard_Real V1,
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const Standard_Real U2,
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const Standard_Real V2,
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Standard_Real& Pdeb,
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Standard_Real& Pfin,
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gp_Lin& C)
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{
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const gp_Pnt pts1 = surf1->Value(U1,V1);
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const gp_Pnt pts2 = surf2->Value(U2,V2);
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const gp_Dir dir( gp_Vec(pts1,pts2) );
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C.SetLocation(pts1);
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C.SetDirection(dir);
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Pdeb = 0.;
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Pfin = ElCLib::Parameter(C,pts2);
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}
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//=======================================================================
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//function : IsRational
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::IsRational() const
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{
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return Standard_False;
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}
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//=======================================================================
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//function : GetSectionSize
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//purpose : Non implementee (non necessaire car non rationel)
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//=======================================================================
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Standard_Real BlendFunc_Chamfer::GetSectionSize() const
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{
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Standard_NotImplemented::Raise("BlendFunc_Chamfer::GetSectionSize()");
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return 0;
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}
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//=======================================================================
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//function : GetMinimalWeight
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::GetMinimalWeight(TColStd_Array1OfReal& Weights) const
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{
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Weights.Init(1);
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}
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//=======================================================================
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//function : NbIntervals
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//purpose :
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//=======================================================================
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Standard_Integer BlendFunc_Chamfer::NbIntervals (const GeomAbs_Shape S) const
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{
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return curv->NbIntervals(BlendFunc::NextShape(S));
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}
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//=======================================================================
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//function : Intervals
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const
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{
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curv->Intervals(T, BlendFunc::NextShape(S));
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}
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//=======================================================================
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//function : GetShape
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::GetShape (Standard_Integer& NbPoles,
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Standard_Integer& NbKnots,
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Standard_Integer& Degree,
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Standard_Integer& NbPoles2d)
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{
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NbPoles = 2;
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NbPoles2d = 2;
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NbKnots = 2;
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Degree = 1;
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}
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//=======================================================================
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//function : GetTolerance
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//purpose : Determine les Tolerance a utiliser dans les approximations.
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//=======================================================================
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void BlendFunc_Chamfer::GetTolerance(const Standard_Real BoundTol,
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const Standard_Real,
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const Standard_Real,
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math_Vector& Tol3d,
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math_Vector&) const
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{
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Tol3d.Init(BoundTol);
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}
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//=======================================================================
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//function : Knots
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Knots(TColStd_Array1OfReal& TKnots)
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{
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TKnots(1) = 0.;
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TKnots(2) = 1.;
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}
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//=======================================================================
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//function : Mults
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Mults(TColStd_Array1OfInteger& TMults)
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{
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TMults(1) = 2;
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TMults(2) = 2;
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}
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//=======================================================================
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//function : Section
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::Section
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(const Blend_Point& /*P*/,
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TColgp_Array1OfPnt& /*Poles*/,
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TColgp_Array1OfVec& /*DPoles*/,
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TColgp_Array1OfVec& /*D2Poles*/,
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TColgp_Array1OfPnt2d& /*Poles2d*/,
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TColgp_Array1OfVec2d& /*DPoles2d*/,
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TColgp_Array1OfVec2d& /*D2Poles2d*/,
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TColStd_Array1OfReal& /*Weights*/,
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TColStd_Array1OfReal& /*DWeights*/,
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TColStd_Array1OfReal& /*D2Weights*/)
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{
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return Standard_False;
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}
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//=======================================================================
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//function : Section
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//purpose :
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//=======================================================================
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Standard_Boolean BlendFunc_Chamfer::Section
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(const Blend_Point& P,
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TColgp_Array1OfPnt& Poles,
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TColgp_Array1OfVec& DPoles,
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TColgp_Array1OfPnt2d& Poles2d,
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TColgp_Array1OfVec2d& DPoles2d,
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TColStd_Array1OfReal& Weights,
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TColStd_Array1OfReal& DWeights)
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{
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math_Vector sol(1,4),valsol(1,4),secmember(1,4);
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math_Matrix gradsol(1,4,1,4);
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Standard_Real prm = P.Parameter();
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Standard_Integer low = Poles.Lower();
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Standard_Integer upp = Poles.Upper();
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Standard_Boolean istgt;
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P.ParametersOnS1(sol(1),sol(2));
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P.ParametersOnS2(sol(3),sol(4));
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Set(prm);
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Values(sol,valsol,gradsol);
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IsSolution(sol,tol);
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istgt = IsTangencyPoint();
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Poles2d(Poles2d.Lower()).SetCoord(sol(1),sol(2));
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Poles2d(Poles2d.Upper()).SetCoord(sol(3),sol(4));
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if (!istgt) {
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DPoles2d(Poles2d.Lower()).SetCoord(Tangent2dOnS1().X(),
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Tangent2dOnS1().Y());
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DPoles2d(Poles2d.Upper()).SetCoord(Tangent2dOnS2().X(),
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Tangent2dOnS2().Y());
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}
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Poles(low) = PointOnS1();
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Poles(upp) = PointOnS2();
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Weights(low) = 1.0;
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Weights(upp) = 1.0;
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if (!istgt) {
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DPoles(low) = TangentOnS1();
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DPoles(upp) = TangentOnS2();
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DWeights(low) = 0.0;
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DWeights(upp) = 0.0;
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}
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return (!istgt);
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}
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//=======================================================================
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//function : Section
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//purpose :
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//=======================================================================
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void BlendFunc_Chamfer::Section(const Blend_Point& P,
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TColgp_Array1OfPnt& Poles,
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TColgp_Array1OfPnt2d& Poles2d,
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TColStd_Array1OfReal& Weights)
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{
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Standard_Real u1,v1,u2,v2,prm = P.Parameter();
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Standard_Integer low = Poles.Lower();
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Standard_Integer upp = Poles.Upper();
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math_Vector X(1,4), F(1,4);
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P.ParametersOnS1(u1,v1);
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P.ParametersOnS2(u2,v2);
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X(1)=u1;
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X(2)=v1;
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X(3)=u2;
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X(4)=v2;
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Poles2d(Poles2d.Lower()).SetCoord(u1,v1);
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Poles2d(Poles2d.Upper()).SetCoord(u2,v2);
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Set(prm);
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Value(X,F);
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Poles(low) = PointOnS1();
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Poles(upp) = PointOnS2();
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Weights(low) = 1.0;
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Weights(upp) = 1.0;
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}
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void BlendFunc_Chamfer::Resolution(const Standard_Integer IC2d, const Standard_Real Tol,
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Standard_Real& TolU, Standard_Real& TolV) const
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{
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if(IC2d == 1){
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TolU = surf1->UResolution(Tol);
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TolV = surf1->VResolution(Tol);
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}
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else {
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TolU = surf2->UResolution(Tol);
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TolV = surf2->VResolution(Tol);
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}
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}
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