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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.
171 lines
5.1 KiB
C++
171 lines
5.1 KiB
C++
// Created on: 1997-02-12
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// Created by: Laurent BOURESCHE
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// Copyright (c) 1997-1999 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 <BRepBlend_CurvPointRadInv.ixx>
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//=======================================================================
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//function : BRepBlend_CurvPointRadInv
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//purpose :
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//=======================================================================
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BRepBlend_CurvPointRadInv::BRepBlend_CurvPointRadInv
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(const Handle(Adaptor3d_HCurve)& C1,
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const Handle(Adaptor3d_HCurve)& C2) : curv1(C1), curv2(C2)
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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 BRepBlend_CurvPointRadInv::Set(const Standard_Integer Choix)
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{
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choix = Choix;
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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 BRepBlend_CurvPointRadInv::NbEquations() const
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{
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return 2;
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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 BRepBlend_CurvPointRadInv::Value(const math_Vector& X,
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math_Vector& F)
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{
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Standard_Real theD;
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gp_Pnt ptcur1, ptcur2;
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gp_Vec d1cur1, d1cur2;
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gp_XYZ nplan;//, ref;
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curv1->D1(X(1),ptcur1, d1cur1);
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nplan = d1cur1.Normalized().XYZ();
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theD = -(nplan.Dot(ptcur1.XYZ()));
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curv2->D1(X(2), ptcur2, d1cur2);
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F(1) = nplan.Dot(point.XYZ()) + theD;
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F(2) = nplan.Dot(ptcur2.XYZ()) + theD;
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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 BRepBlend_CurvPointRadInv::Derivatives(const math_Vector& X,
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math_Matrix& D)
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{
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gp_Pnt ptcur1, ptcur2;
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gp_Vec d1cur1,d2cur1, d1cur2, nplan, dnplan;
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Standard_Real dtheD, normd1cur1, unsurnormd1cur1;
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curv1->D2(X(1), ptcur1, d1cur1, d2cur1);
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normd1cur1 = d1cur1.Magnitude();
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unsurnormd1cur1 = 1. / normd1cur1;
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nplan = unsurnormd1cur1 * d1cur1;
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dnplan.SetLinearForm(-nplan.Dot(d2cur1), nplan, d2cur1);
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dnplan.Multiply(unsurnormd1cur1);
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dtheD = - nplan.XYZ().Dot(d1cur1.XYZ()) - dnplan.XYZ().Dot(ptcur1.XYZ());
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D(1,1) = dnplan.XYZ().Dot(point.XYZ()) + dtheD;
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D(1,2) = 0.;
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curv2->D1(X(2), ptcur2, d1cur2);
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D(2,1) = dnplan.XYZ().Dot(ptcur2.XYZ()) + dtheD;
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D(2,2) = nplan.Dot(d1cur2);
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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 BRepBlend_CurvPointRadInv::Values(const math_Vector& X,
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math_Vector& F,
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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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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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void BRepBlend_CurvPointRadInv::Set(const gp_Pnt& P)
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{
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point = P;
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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 BRepBlend_CurvPointRadInv::GetTolerance(math_Vector& Tolerance,
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const Standard_Real Tol) const
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{
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Tolerance(1) = curv1->Resolution(Tol);
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Tolerance(2) = curv2->Resolution(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 BRepBlend_CurvPointRadInv::GetBounds(math_Vector& InfBound,
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math_Vector& SupBound) const
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{
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InfBound(1) = curv1->FirstParameter();
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SupBound(1) = curv1->LastParameter();
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InfBound(2) = curv2->FirstParameter();
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SupBound(2) = curv2->LastParameter();
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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 BRepBlend_CurvPointRadInv::IsSolution(const math_Vector& Sol,
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const Standard_Real Tol)
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{
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math_Vector valsol(1, 2);
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Value(Sol,valsol);
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if (Abs(valsol(1)) <= Tol &&
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Abs(valsol(2)) <= Tol ) {
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return Standard_True;
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}
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return Standard_False;
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}
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