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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.
359 lines
11 KiB
C++
359 lines
11 KiB
C++
// Created on: 1993-03-10
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// Created by: JCV
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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 <Geom_SphericalSurface.ixx>
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#include <gp_Circ.hxx>
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#include <gp_XYZ.hxx>
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#include <ElSLib.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <Standard_ConstructionError.hxx>
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#include <Standard_RangeError.hxx>
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typedef Geom_Circle Circle;
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typedef Geom_SphericalSurface SphericalSurface;
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typedef Handle(Geom_SphericalSurface) Handle(SphericalSurface);
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typedef Handle(Geom_Curve) Handle(Curve);
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typedef Handle(Geom_Circle) Handle(Circle);
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typedef gp_Ax2 Ax2;
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typedef gp_Ax3 Ax3;
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typedef gp_Circ Circ;
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typedef gp_Dir Dir;
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typedef gp_Pnt Pnt;
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typedef gp_Trsf Trsf;
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typedef gp_XYZ XYZ;
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typedef gp_Vec Vec;
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//=======================================================================
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//function : Copy
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//purpose :
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//=======================================================================
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Handle(Geom_Geometry) Geom_SphericalSurface::Copy () const {
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Handle(SphericalSurface) Cs;
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Cs = new SphericalSurface (pos, radius);
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return Cs;
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}
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//=======================================================================
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//function : Geom_SphericalSurface
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//purpose :
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//=======================================================================
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Geom_SphericalSurface::Geom_SphericalSurface (const Ax3& A, const Standard_Real R)
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: radius (R) {
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if (R < 0.0) Standard_ConstructionError::Raise();
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pos = A;
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}
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//=======================================================================
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//function : Geom_SphericalSurface
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//purpose :
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//=======================================================================
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Geom_SphericalSurface::Geom_SphericalSurface (const gp_Sphere& S)
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:radius (S.Radius()) {
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pos = S.Position();
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}
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//=======================================================================
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//function : UReversedParameter
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//purpose :
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//=======================================================================
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Standard_Real Geom_SphericalSurface::UReversedParameter( const Standard_Real U) const
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{
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return (2.*M_PI - U);
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}
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//=======================================================================
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//function : VReversedParameter
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//purpose :
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//=======================================================================
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Standard_Real Geom_SphericalSurface::VReversedParameter( const Standard_Real V) const
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{
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return (-V);
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}
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//=======================================================================
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//function : Area
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//purpose :
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//=======================================================================
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Standard_Real Geom_SphericalSurface::Area () const
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{return 4.0 * M_PI * radius * radius;}
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//=======================================================================
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//function : Radius
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//purpose :
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//=======================================================================
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Standard_Real Geom_SphericalSurface::Radius () const
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{ return radius; }
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//=======================================================================
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//function : IsUClosed
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//purpose :
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//=======================================================================
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Standard_Boolean Geom_SphericalSurface::IsUClosed () const
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{ return Standard_True; }
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//=======================================================================
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//function : IsVClosed
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//purpose :
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//=======================================================================
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Standard_Boolean Geom_SphericalSurface::IsVClosed () const
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{ return Standard_False; }
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//=======================================================================
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//function : IsUPeriodic
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//purpose :
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//=======================================================================
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Standard_Boolean Geom_SphericalSurface::IsUPeriodic () const
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{ return Standard_True; }
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//=======================================================================
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//function : IsVPeriodic
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//purpose :
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//=======================================================================
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Standard_Boolean Geom_SphericalSurface::IsVPeriodic () const
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{ return Standard_False; }
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//=======================================================================
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//function : SetRadius
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::SetRadius (const Standard_Real R) {
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if (R < 0.0) { Standard_ConstructionError::Raise(); }
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radius = R;
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}
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//=======================================================================
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//function : SetSphere
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::SetSphere (const gp_Sphere& S) {
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radius = S.Radius();
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pos = S.Position();
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}
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//=======================================================================
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//function : Bounds
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::Bounds (Standard_Real& U1, Standard_Real& U2,
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Standard_Real& V1, Standard_Real& V2) const {
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U1 = 0.0;
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U2 = M_PI * 2.0;
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V1 = -M_PI / 2.0;
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V2 = M_PI / 2.0;
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}
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//=======================================================================
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//function : Coefficients
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::Coefficients (Standard_Real& A1, Standard_Real& A2, Standard_Real& A3,
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Standard_Real& B1, Standard_Real& B2, Standard_Real& B3,
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Standard_Real& C1, Standard_Real& C2, Standard_Real& C3,
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Standard_Real& D ) const {
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// Dans le repere local de la sphere :
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// X*X + Y*Y + Z*Z - radius * radius = 0
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Trsf T;
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T.SetTransformation (pos);
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Standard_Real T11 = T.Value (1, 1);
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Standard_Real T12 = T.Value (1, 2);
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Standard_Real T13 = T.Value (1, 3);
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Standard_Real T14 = T.Value (1, 4);
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Standard_Real T21 = T.Value (2, 1);
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Standard_Real T22 = T.Value (2, 2);
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Standard_Real T23 = T.Value (2, 3);
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Standard_Real T24 = T.Value (2, 4);
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Standard_Real T31 = T.Value (3, 1);
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Standard_Real T32 = T.Value (3, 2);
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Standard_Real T33 = T.Value (3, 3);
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Standard_Real T34 = T.Value (3, 4);
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A1 = T11 * T11 + T21 * T21 + T31 * T31;
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A2 = T12 * T12 + T22 * T22 + T32 * T32;
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A3 = T13 * T13 + T23 * T23 + T33 * T33;
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B1 = T11 * T12 + T21 * T22 + T31 * T32;
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B2 = T11 * T13 + T21 * T23 + T31 * T33;
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B3 = T12 * T13 + T22 * T23 + T32 * T33;
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C1 = T11 * T14 + T21 * T24 + T31 * T34;
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C2 = T12 * T14 + T22 * T24 + T32 * T34;
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C3 = T13 * T14 + T23 * T24 + T33 * T34;
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D = T14 * T14 + T24 * T24 + T34 * T34 - radius * radius;
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}
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//=======================================================================
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//function : D0
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::D0 (const Standard_Real U, const Standard_Real V, Pnt& P) const
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{
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ElSLib::SphereD0(U,V,pos,radius,P);
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}
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//=======================================================================
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//function : D1
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::D1 (const Standard_Real U, const Standard_Real V ,
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Pnt& P, Vec& D1U, Vec& D1V
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) const
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{
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ElSLib::SphereD1 (U, V, pos, radius, P ,D1U, D1V);
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}
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//=======================================================================
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//function : D2
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::D2 (const Standard_Real U, const Standard_Real V,
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Pnt& P,
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Vec& D1U, Vec& D1V,
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Vec& D2U, Vec& D2V, Vec& D2UV ) const
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{
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ElSLib::SphereD2 (U, V, pos, radius, P, D1U, D1V, D2U, D2V, D2UV);
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}
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//=======================================================================
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//function : D3
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::D3 (const Standard_Real U, const Standard_Real V,
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Pnt& P,
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Vec& D1U, Vec& D1V,
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Vec& D2U, Vec& D2V, Vec& D2UV,
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Vec& D3U, Vec& D3V, Vec& D3UUV, Vec& D3UVV
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) const
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{
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ElSLib::SphereD3 (U, V, pos, radius, P, D1U, D1V, D2U, D2V,
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D2UV, D3U, D3V, D3UUV, D3UVV);
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}
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//=======================================================================
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//function : DN
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//purpose :
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//=======================================================================
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Vec Geom_SphericalSurface::DN (const Standard_Real U, const Standard_Real V,
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const Standard_Integer Nu, const Standard_Integer Nv) const {
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Standard_RangeError_Raise_if (Nu + Nv < 1 || Nu < 0 || Nv <0, " ");
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return ElSLib::SphereDN (U, V, pos, radius, Nu, Nv);
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}
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//=======================================================================
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//function : Sphere
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//purpose :
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//=======================================================================
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gp_Sphere Geom_SphericalSurface::Sphere () const {
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return gp_Sphere (pos, radius);
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}
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//=======================================================================
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//function : UIso
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//purpose :
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//=======================================================================
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Handle(Curve) Geom_SphericalSurface::UIso (const Standard_Real U) const
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{
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Handle(Geom_Circle) GC = new Geom_Circle(ElSLib::SphereUIso(pos,radius,U));
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Handle(Geom_TrimmedCurve) iso = new Geom_TrimmedCurve(GC,-M_PI/2.,M_PI/2);
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return iso;
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}
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//=======================================================================
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//function : VIso
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//purpose :
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//=======================================================================
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Handle(Curve) Geom_SphericalSurface::VIso (const Standard_Real V) const
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{
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Handle(Geom_Circle)
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GC = new Geom_Circle(ElSLib::SphereVIso(pos,radius,V));
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return GC;
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}
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//=======================================================================
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//function : Volume
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//purpose :
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//=======================================================================
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Standard_Real Geom_SphericalSurface::Volume () const {
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return (4.0 * M_PI * radius * radius * radius)/3.0;
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}
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//=======================================================================
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//function : Transform
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//purpose :
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//=======================================================================
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void Geom_SphericalSurface::Transform (const Trsf& T) {
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radius = radius * Abs(T.ScaleFactor());
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pos.Transform (T);
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}
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