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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.
261 lines
7.9 KiB
C++
261 lines
7.9 KiB
C++
// Created on: 1992-07-01
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// Created by: Laurent BUCHARD
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// Copyright (c) 1992-1999 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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#ifndef DEB
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#define No_Standard_RangeError
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#define No_Standard_OutOfRange
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#endif
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#include <IntAna_Quadric.ixx>
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#include <gp_Trsf.hxx>
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#include <gp_Vec.hxx>
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//----------------------------------------------------------------------
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//--
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//-- Equation generale des quadriques :
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//--
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//-- f(x,y,z) = CXX X**2 + CYY Y**2 + CZZ Z**2
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//--
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//-- + 2 ( CXY X Y + CXZ X Z + CYZ Y Z )
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//--
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//-- + 2 ( CX X + CY Y + CZ Z)
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//--
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//-- + CCte
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//--
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//--
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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//-- Quadric Vide
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//----------------------------------------------------------------------
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IntAna_Quadric::IntAna_Quadric(void) {
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CXX=CYY=CZZ=CXY=CXZ=CYZ=CX=CY=CZ=0.0; CCte=1.0;
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}
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//----------------------------------------------------------------------
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//-- Pln -----> Quadric
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//--
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//-- Coefficients sur gp_Pln retourne A,B,C,D
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//-- avec f(x,y,z) = A x + B y + C z + D
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//--
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//-- que l on identifie a 2( CX x + CY y + CZ z ) + CCte
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//----------------------------------------------------------------------
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void IntAna_Quadric::SetQuadric(const gp_Pln& P) {
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P.Coefficients(CX,CY,CZ,CCte);
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CX*=0.5;
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CY*=0.5;
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CZ*=0.5;
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CXX=CYY=CZZ=CXY=CXZ=CYZ=0.0;
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}
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IntAna_Quadric::IntAna_Quadric(const gp_Pln& P) {
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P.Coefficients(CX,CY,CZ,CCte);
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CX*=0.5;
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CY*=0.5;
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CZ*=0.5;
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CXX=CYY=CZZ=CXY=CXZ=CYZ=0.0;
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}
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//----------------------------------------------------------------------
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//-- Cylinder -----> Quadric
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//----------------------------------------------------------------------
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void IntAna_Quadric::SetQuadric(const gp_Cylinder& Cyl) {
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Cyl.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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IntAna_Quadric::IntAna_Quadric(const gp_Cylinder& Cyl) {
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Cyl.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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//----------------------------------------------------------------------
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//-- Cone -----> Quadric
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//----------------------------------------------------------------------
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IntAna_Quadric::IntAna_Quadric(const gp_Cone& Cone) {
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Cone.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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void IntAna_Quadric::SetQuadric(const gp_Cone& Cone) {
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Cone.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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//----------------------------------------------------------------------
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//-- Sphere -----> Quadric
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//----------------------------------------------------------------------
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void IntAna_Quadric::SetQuadric(const gp_Sphere& Sph) {
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Sph.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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IntAna_Quadric::IntAna_Quadric(const gp_Sphere& Sph) {
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Sph.Coefficients(CXX,CYY,CZZ,CXY,CXZ,CYZ,CX,CY,CZ,CCte);
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}
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//----------------------------------------------------------------------
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//-- Returns the Coefficients of the Quadric
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//----------------------------------------------------------------------
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void IntAna_Quadric::Coefficients(Standard_Real& _CXX,Standard_Real& _CYY,Standard_Real& _CZZ,
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Standard_Real& _CXY,Standard_Real& _CXZ,Standard_Real& _CYZ,
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Standard_Real& _CX, Standard_Real& _CY, Standard_Real& _CZ,
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Standard_Real& _CCte) const
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{
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_CXX=CXX; _CYY=CYY; _CZZ=CZZ;
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_CXY=CXY; _CXZ=CXZ; _CYZ=CYZ;
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_CX=CX; _CY=CY; _CZ=CZ;
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_CCte=CCte;
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}
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//----------------------------------------------------------------------
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//-- Computes the Coefficients in a new coordinate system
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//----------------------------------------------------------------------
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void IntAna_Quadric::NewCoefficients( Standard_Real& _CXX,Standard_Real& _CYY,Standard_Real& _CZZ
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,Standard_Real& _CXY,Standard_Real& _CXZ,Standard_Real& _CYZ
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,Standard_Real& _CX, Standard_Real& _CY, Standard_Real& _CZ
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,Standard_Real& _CCte
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,const gp_Ax3& Axis) const
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{
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Standard_Real t11,t12,t13,t14; // x = t11 X + t12 Y + t13 Z + t14
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Standard_Real t21,t22,t23,t24; // y = t21 X + t22 Y + t23 Z + t24
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Standard_Real t31,t32,t33,t34; // z = t31 X + t32 Y + t33 Z + t34
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// = X DirX + Y DirY + Z DirZ + Loc
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Standard_Real Cxx,Cyy,Czz,Cxy,Cxz,Cyz,Cx,Cy,Cz,Ccte;
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gp_Trsf Trans;
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Trans.SetTransformation(Axis);
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Trans.Invert();
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t11=Trans.Value(1,1); t12=Trans.Value(1,2); t13=Trans.Value(1,3); t14=Trans.Value(1,4);
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t21=Trans.Value(2,1); t22=Trans.Value(2,2); t23=Trans.Value(2,3); t24=Trans.Value(2,4);
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t31=Trans.Value(3,1); t32=Trans.Value(3,2); t33=Trans.Value(3,3); t34=Trans.Value(3,4);
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// P0(x,y,z)=_CXX x x + _CYY y y + ... + _CCte =0 (x,y,z "absolute" coordinates)
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// and P1(X(x,y,z),Y(x,y,z),Z(x,y,z))=P0(x,y,z)
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//
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// with P1(X,Y,Z)= Cxx X X + Cyy Y Y + Czz Z Z + 2 Cxy X Y ... + Ccte
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// = _CXX x x + _CYY y y + ... + _CCte
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Standard_Real t11_P2=t11*t11; Standard_Real t21_P2=t21*t21; Standard_Real t31_P2=t31*t31;
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Standard_Real t12_P2=t12*t12; Standard_Real t22_P2=t22*t22; Standard_Real t32_P2=t32*t32;
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Standard_Real t13_P2=t13*t13; Standard_Real t23_P2=t23*t23; Standard_Real t33_P2=t33*t33;
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Standard_Real t14_P2=t14*t14; Standard_Real t24_P2=t24*t24; Standard_Real t34_P2=t34*t34;
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Ccte = ((_CCte)
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+ t14_P2* (_CXX)
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+ t24_P2* (_CYY)
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+ t34_P2* (_CZZ)
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+ 2.0 * ( t14*( (_CX)
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+t24* (_CXY)
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+t34* (_CXZ))
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+t24*( (_CY)
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+t34* (_CYZ))
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+t34* (_CZ)));
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Cxx = ( t11_P2* (_CXX)
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+ t21_P2* (_CYY)
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+ t31_P2* (_CZZ)
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+ 2.0*( t11*( t21* (_CXY)
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+t31* (_CXZ))
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+t21*t31* (_CYZ)));
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Cyy = (t12_P2* (_CXX)
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+ t22_P2* (_CYY)
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+ t32_P2* (_CZZ)
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+ 2.0*( t12*( t22* (_CXY)
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+t32* (_CXZ))
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+t22*t32* (_CYZ)));
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Czz = (t13_P2* (_CXX)
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+ t33_P2* (_CZZ)
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+ t23_P2* (_CYY)
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+ 2.0*( t13*( t23* (_CXY)
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+t33* (_CXZ))
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+t23*t33* (_CYZ)));
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Cz = (t13* (_CX)
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+ t13*( t14* (_CXX)
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+ t24* (_CXY)
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+ t34* (_CXZ))
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+ t14*( t23* (_CXY)
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+t33* (_CXZ))
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+ t23*( (_CY)
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+t24* (_CYY)
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+t34* (_CYZ))
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+ t33*( t24* (_CYZ)
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+(_CZ)
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+ t34* (_CZZ)));
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Cx = (t11* ((_CX)
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+t14* (_CXX)
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+t24* (_CXY)
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+t34* (_CXZ))
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+ t14*( t21* (_CXY)
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+t31* (_CXZ))
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+ t21*( (_CY)
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+t24* (_CYY)
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+t34* (_CYZ))
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+ t31*( t24* (_CYZ)
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+(_CZ)
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+t34* (_CZZ)));
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Cxy = (t11*( t12* (_CXX)
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+t22* (_CXY)
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+t32* (_CXZ))
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+ t12*( t21* (_CXY)
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+t31* (_CXZ))
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+ t21*( t22* (_CYY)
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+t32* (_CYZ))
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+ t31*( t22* (_CYZ)
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+t32* (_CZZ)));
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Cxz = (t11*( t13* (_CXX)
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+t23* (_CXY)
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+t33* (_CXZ))
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+ t13*( t21* (_CXY)
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+t31* (_CXZ))
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+ t21*( t23* (_CYY)
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+t33* (_CYZ))
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+ t31*( t23* (_CYZ)
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+t33* (_CZZ)));
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Cy = (t12* ( (_CX)
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+t14* (_CXX)
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+t24* (_CXY)
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+t34* (_CXZ))
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+ t14*( t22* (_CXY)
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+t32* (_CXZ))
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+ t22*( (_CY)
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+t24* (_CYY)
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+t34* (_CYZ))
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+ t32*( (_CZ)
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+ t24* (_CYZ)
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+ t34* (_CZZ)));
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Cyz = (t12*( t13* (_CXX)
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+t23* (_CXY)
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+t33* (_CXZ))
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+ t13*( t22* (_CXY)
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+t32* (_CXZ))
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+ t22*( t23* (_CYY)
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+t33* (_CYZ))
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+ t32*( t23* (_CYZ)
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+t33* (_CZZ)));
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_CXX=Cxx; _CYY=Cyy; _CZZ=Czz; _CX=Cx; _CY=Cy; _CZ=Cz;
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_CXY=Cxy; _CXZ=Cxz; _CYZ=Cyz; _CCte=Ccte;
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}
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