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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.
337 lines
8.5 KiB
C++
337 lines
8.5 KiB
C++
// Created on: 1996-06-06
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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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#include <BlendFunc_ChamfInv.ixx>
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#include <BlendFunc.hxx>
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#include <Precision.hxx>
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//=======================================================================
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//function : BlendFunc_ChamfInv
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//purpose :
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//=======================================================================
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BlendFunc_ChamfInv::BlendFunc_ChamfInv(const Handle(Adaptor3d_HSurface)& S1,
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const Handle(Adaptor3d_HSurface)& S2,
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const Handle(Adaptor3d_HCurve)& C) :
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surf1(S1),surf2(S2),curv(C),corde1(surf1,curv),corde2(surf2,curv)
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{
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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_ChamfInv::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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Standard_Real dis1,dis2;
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choix = Choix;
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switch (choix) {
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case 1:
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case 2:
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{
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dis1 = -Dist1;
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dis2 = -Dist2;
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}
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break;
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case 3:
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case 4:
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{
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dis1 = Dist1;
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dis2 = -Dist2;
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}
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break;
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case 5:
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case 6:
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{
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dis1 = Dist1;
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dis2 = Dist2;
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}
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break;
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case 7:
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case 8:
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{
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dis1 = -Dist1;
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dis2 = Dist2;
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}
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break;
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default:
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dis1 = -Dist1;
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dis2 = -Dist2;
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}
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corde1.SetDist(dis1);
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corde2.SetDist(dis2);
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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_ChamfInv::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 : GetTolerance
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//purpose :
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//=======================================================================
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void BlendFunc_ChamfInv::Set(const Standard_Boolean OnFirst, const Handle(Adaptor2d_HCurve2d)& C)
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{
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first = OnFirst;
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csurf = C;
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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_ChamfInv::GetTolerance(math_Vector& Tolerance, const Standard_Real Tol) const
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{
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Tolerance(1) = csurf->Resolution(Tol);
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Tolerance(2) = curv->Resolution(Tol);
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if (first) {
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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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else {
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Tolerance(3) = surf1->UResolution(Tol);
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Tolerance(4) = surf1->VResolution(Tol);
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}
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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_ChamfInv::GetBounds(math_Vector& InfBound, math_Vector& SupBound) const
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{
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InfBound(1) = csurf->FirstParameter();
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InfBound(2) = curv->FirstParameter();
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SupBound(1) = csurf->LastParameter();
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SupBound(2) = curv->LastParameter();
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if (first) {
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InfBound(3) = surf2->FirstUParameter();
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InfBound(4) = surf2->FirstVParameter();
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SupBound(3) = surf2->LastUParameter();
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SupBound(4) = surf2->LastVParameter();
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if(!Precision::IsInfinite(InfBound(3)) &&
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!Precision::IsInfinite(SupBound(3))) {
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const Standard_Real range = (SupBound(3) - InfBound(3));
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InfBound(3) -= range;
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SupBound(3) += range;
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}
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if(!Precision::IsInfinite(InfBound(4)) &&
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!Precision::IsInfinite(SupBound(4))) {
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const Standard_Real range = (SupBound(4) - InfBound(4));
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InfBound(4) -= range;
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SupBound(4) += range;
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}
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}
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else {
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InfBound(3) = surf1->FirstUParameter();
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InfBound(4) = surf1->FirstVParameter();
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SupBound(3) = surf1->LastUParameter();
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SupBound(4) = surf1->LastVParameter();
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if(!Precision::IsInfinite(InfBound(3)) &&
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!Precision::IsInfinite(SupBound(3))) {
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const Standard_Real range = (SupBound(3) - InfBound(3));
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InfBound(3) -= range;
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SupBound(3) += range;
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}
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if(!Precision::IsInfinite(InfBound(4)) &&
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!Precision::IsInfinite(SupBound(4))) {
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const Standard_Real range = (SupBound(4) - InfBound(4));
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InfBound(4) -= range;
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SupBound(4) += 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_ChamfInv::IsSolution(const math_Vector& Sol, const Standard_Real Tol)
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{
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gp_Pnt2d p2d;
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gp_Vec2d v2d;
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csurf->D1(Sol(1),p2d,v2d);
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math_Vector Sol1(1,2), Sol2(1,2);
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Standard_Boolean issol;
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Sol1(1) = p2d.X();
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Sol1(2) = p2d.Y();
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Sol2(1) = Sol(3);
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Sol2(2) = Sol(4);
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if( first ){
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issol = corde1.IsSolution(Sol1,Tol);
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issol = issol && corde2.IsSolution(Sol2,Tol);
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}
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else{
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issol = corde1.IsSolution(Sol2,Tol);
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issol = issol && corde2.IsSolution(Sol1,Tol);
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}
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return issol;
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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_ChamfInv::Value(const math_Vector& X, math_Vector& F)
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{
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gp_Pnt2d p2d;
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gp_Vec2d v2d;
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csurf->D1(X(1),p2d,v2d);
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corde1.SetParam(X(2));
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corde2.SetParam(X(2));
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math_Vector x1(1,2), f1(1,2), x2(1,2), f2(1,2);
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x1(1) = p2d.X(); x1(2) = p2d.Y();
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x2(1) = X(3); x2(2) = X(4);
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if(first){
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corde1.Value(x1,f1);
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corde2.Value(x2,f2);
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}
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else{
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corde1.Value(x2,f1);
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corde2.Value(x1,f2);
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}
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F(1) = f1(1);
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F(2) = f1(2);
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F(3) = f2(1);
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F(4) = f2(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_ChamfInv::Derivatives(const math_Vector& X, math_Matrix& D)
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{
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Standard_Integer i, j;
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gp_Pnt2d p2d;
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gp_Vec2d v2d, df1, df2;
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gp_Pnt pts, ptgui;
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gp_Vec temp, d1u, d1v, nplan;
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math_Vector x1(1,2), x2(1,2);
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math_Matrix d1(1,2,1,2), d2(1,2,1,2);
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csurf->D1(X(1),p2d,v2d);
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corde1.SetParam(X(2));
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corde2.SetParam(X(2));
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x1(1) = p2d.X(); x1(2) = p2d.Y();
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x2(1) = X(3); x2(2) = X(4);
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if( first ){
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// p2d = pts est sur surf1
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ptgui = corde1.PointOnGuide();
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nplan = corde1.NPlan();
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corde2.Derivatives(x2,d2);
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corde1.DerFguide(x1,df1);
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corde2.DerFguide(x2,df2);
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surf1->D1(x1(1),x1(2),pts,d1u,d1v);
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}
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else{
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// p2d = pts est sur surf2
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ptgui = corde2.PointOnGuide();
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nplan = corde2.NPlan();
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corde1.Derivatives(x2,d1);
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corde1.DerFguide(x2,df1);
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corde2.DerFguide(x1,df2);
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surf2->D1(x1(1),x1(2),pts,d1u,d1v);
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}
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// derivees par rapport a T
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temp.SetLinearForm(v2d.X(),d1u,v2d.Y(),d1v);
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if( first ){
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D(1,1) = nplan.Dot(temp);
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D(2,1) = 2*(gp_Vec(ptgui,pts).Dot(temp));
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D(3,1) = 0.;
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D(4,1) = 0.;
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}
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else{
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D(1,1) = 0.;
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D(2,1) = 0.;
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D(3,1) = nplan.Dot(temp);
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D(4,1) = 2*(gp_Vec(ptgui,pts).Dot(temp));
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}
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// derivees par rapport a W
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D(1,2) = df1.X();
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D(2,2) = df1.Y();
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D(3,2) = df2.X();
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D(4,2) = df2.Y();
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// derivees par rapport a U et V
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if( first ){
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for( i=1; i<3; i++ ){
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for( j=3; j<5; j++ ){
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D(i,j) = 0.;
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D(i+2,j) = d2(i,j-2);
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}
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}
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}
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else{
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for( i=1; i<3; i++ ){
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for( j=3; j<5; j++ ){
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D(i,j) = d1(i,j-2);
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D(i+2,j) = 0.;
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}
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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_ChamfInv::Values(const math_Vector& X, math_Vector& F, math_Matrix& D)
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{
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Value(X,F);
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Derivatives(X,D);
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return Standard_True;
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}
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