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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
227 lines
6.4 KiB
C++
227 lines
6.4 KiB
C++
// Created on: 1998-04-27
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// Created by: Stephanie HUMEAU
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// Copyright (c) 1998-1999 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 <Adaptor3d_HCurve.hxx>
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#include <Adaptor3d_HSurface.hxx>
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#include <GeomAdaptor_HCurve.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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#include <GeomFill_FunctionDraft.hxx>
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#include <GeomFill_Tensor.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <math_Matrix.hxx>
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//#include <Precision.hxx>
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//*******************************************************
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// Calcul de la valeur de la fonction :
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// G(w(t)) - S(u(t),v(t)) = 0
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// ou G = generatrice et S = surface d'arret
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// et de ses derivees
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//*******************************************************
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//*******************************************************
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// Function : FunctionDraft
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// Purpose : Initialisation de la section et de la surface d'arret
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//*******************************************************
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GeomFill_FunctionDraft::GeomFill_FunctionDraft
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(const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor3d_HCurve)& C)
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{
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TheCurve = C ;
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TheSurface = S;
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}
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//*******************************************************
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// Function : NbVariables (t, u, v)
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// Purpose :
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//*******************************************************
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Standard_Integer GeomFill_FunctionDraft::NbVariables()const
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{
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return 3;
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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 GeomFill_FunctionDraft::NbEquations()const
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{
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return 3;
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}
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//*******************************************************
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// Function : Value
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// Purpose : calcul of the value of the function at <X>
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::Value(const math_Vector& X,
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math_Vector& F)
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{
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gp_Pnt P,P1;
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TheCurve->D0(X(1), P);
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TheSurface->D0(X(2), X(3), P1);
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F(1) = P.Coord(1) - P1.Coord(1);
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F(2) = P.Coord(2) - P1.Coord(2);
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F(3) = P.Coord(3) - P1.Coord(3);
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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 :calcul of the derivative of the function
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::Derivatives(const math_Vector& X,
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math_Matrix& D)
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{
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Standard_Integer i;
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gp_Pnt P,P1;
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gp_Vec DP,DP1U,DP1V;
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TheCurve->D1(X(1),P,DP);
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TheSurface->D1(X(2),X(3),P1,DP1U,DP1V);
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for (i=1;i<=3;i++)
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{
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D(i,1) = DP.Coord(i);
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D(i,2) = -DP1U.Coord(i);
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D(i,3) = -DP1V.Coord(i);
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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 : calcul of the value and the derivative of the function
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::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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Standard_Integer i;
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gp_Pnt P,P1;
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gp_Vec DP,DP1U,DP1V;
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TheCurve->D1(X(1),P,DP); //derivee de la generatrice
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TheSurface->D1(X(2),X(3),P1,DP1U,DP1V); //derivee de la new surface
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for (i=1;i<=3;i++)
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{
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F(i) = P.Coord(i) - P1.Coord(i);
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D(i,1) = DP.Coord(i);
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D(i,2) = -DP1U.Coord(i);
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D(i,3) = -DP1V.Coord(i);
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}
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return Standard_True;
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}
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//*******************************************************
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// Function : DerivT
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// Purpose : calcul of the first derivative from t
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::DerivT(const Handle(Adaptor3d_HCurve)& C,
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const Standard_Real Param,
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const Standard_Real W,
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const gp_Vec & dN,
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const Standard_Real teta,
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math_Vector& F)
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{
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gp_Pnt P;
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gp_Vec DP;
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C->D1(Param, P, DP); // derivee de la section
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F(1) = DP.Coord(1) + W * dN.Coord(1) * Sin(teta);
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F(2) = DP.Coord(2) + W * dN.Coord(2) * Sin(teta);
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F(3) = DP.Coord(3) + W * dN.Coord(3) * Sin(teta);
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return Standard_True;
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}
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//*******************************************************
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// Function : Deriv2T
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// Purpose : calcul of the second derivatice from t
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::Deriv2T(const Handle(Adaptor3d_HCurve)& C,
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const Standard_Real Param,
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const Standard_Real W,
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const gp_Vec & d2N,
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const Standard_Real teta,
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math_Vector& F)
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{
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gp_Pnt P;
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gp_Vec DP,D2P;
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C->D2(Param, P, DP, D2P); // derivee de la section
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F(1) = D2P.Coord(1) + W * d2N.Coord(1) * Sin(teta);
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F(2) = D2P.Coord(2) + W * d2N.Coord(2) * Sin(teta);
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F(3) = D2P.Coord(3) + W * d2N.Coord(3) * Sin(teta);
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return Standard_True;
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}
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//*******************************************************
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// Function : DerivTX
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// Purpose : calcul of the second derivative from t and x
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::DerivTX(const gp_Vec & dN,
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const Standard_Real teta,
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math_Matrix& D)
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{
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// gp_Pnt P;
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// gp_Vec DP,D2P;
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Standard_Integer i;
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for (i=1;i<=3;i++)
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{
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D(i,1) = dN.Coord(i)*Sin(teta); //derivee / W
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D(i,2) = 0.; // derivee / U
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D(i,3) = 0.; // derivee / V
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}
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return Standard_True;
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}
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//*******************************************************
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// Function : Deriv2X
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// Purpose : calcul of the second derivative from x
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//*******************************************************
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Standard_Boolean GeomFill_FunctionDraft::Deriv2X(const math_Vector & X,
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GeomFill_Tensor& T)
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{
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gp_Pnt P;
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gp_Vec DPu,DPv;
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gp_Vec D2Pu, D2Pv, D2Puv;
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Standard_Integer i;
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TheSurface->D2(X(2), X(3), P, DPu, DPv, D2Pu, D2Pv, D2Puv);
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T.Init(0.); // tenseur
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for (i=1;i<=3;i++)
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{
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T(i,2,2) = -D2Pu.Coord(i);
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T(i,3,2) = T(i,2,3) = -D2Puv.Coord(i);
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T(i,3,3) = -D2Pv.Coord(i);
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}
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return Standard_True;
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}
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