mirror of
https://github.com/Open-Cascade-SAS/OCCT.git
synced 2026-07-09 11:57:58 +08:00
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.
224 lines
6.3 KiB
C++
224 lines
6.3 KiB
C++
// Created on: 1998-04-27
|
|
// Created by: Stephanie HUMEAU
|
|
// Copyright (c) 1998-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#include <GeomFill_FunctionDraft.ixx>
|
|
#include <GeomAdaptor_HSurface.hxx>
|
|
#include <GeomAdaptor_HCurve.hxx>
|
|
//#include <Precision.hxx>
|
|
#include <gp_Pnt.hxx>
|
|
|
|
|
|
//*******************************************************
|
|
// Calcul de la valeur de la fonction :
|
|
// G(w(t)) - S(u(t),v(t)) = 0
|
|
// ou G = generatrice et S = surface d'arret
|
|
// et de ses derivees
|
|
//*******************************************************
|
|
|
|
|
|
//*******************************************************
|
|
// Function : FunctionDraft
|
|
// Purpose : Initialisation de la section et de la surface d'arret
|
|
//*******************************************************
|
|
GeomFill_FunctionDraft::GeomFill_FunctionDraft
|
|
(const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor3d_HCurve)& C)
|
|
{
|
|
TheCurve = C ;
|
|
TheSurface = S;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : NbVariables (t, u, v)
|
|
// Purpose :
|
|
//*******************************************************
|
|
Standard_Integer GeomFill_FunctionDraft::NbVariables()const
|
|
{
|
|
return 3;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : NbEquations
|
|
// Purpose :
|
|
//*******************************************************
|
|
Standard_Integer GeomFill_FunctionDraft::NbEquations()const
|
|
{
|
|
return 3;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : Value
|
|
// Purpose : calcul of the value of the function at <X>
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::Value(const math_Vector& X,
|
|
math_Vector& F)
|
|
{
|
|
gp_Pnt P,P1;
|
|
TheCurve->D0(X(1), P);
|
|
TheSurface->D0(X(2), X(3), P1);
|
|
|
|
F(1) = P.Coord(1) - P1.Coord(1);
|
|
F(2) = P.Coord(2) - P1.Coord(2);
|
|
F(3) = P.Coord(3) - P1.Coord(3);
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : Derivatives
|
|
// Purpose :calcul of the derivative of the function
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::Derivatives(const math_Vector& X,
|
|
math_Matrix& D)
|
|
{
|
|
Standard_Integer i;
|
|
gp_Pnt P,P1;
|
|
gp_Vec DP,DP1U,DP1V;
|
|
TheCurve->D1(X(1),P,DP);
|
|
TheSurface->D1(X(2),X(3),P1,DP1U,DP1V);
|
|
|
|
for (i=1;i<=3;i++)
|
|
{
|
|
D(i,1) = DP.Coord(i);
|
|
D(i,2) = -DP1U.Coord(i);
|
|
D(i,3) = -DP1V.Coord(i);
|
|
}
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : Values
|
|
// Purpose : calcul of the value and the derivative of the function
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::Values(const math_Vector& X,
|
|
math_Vector& F,
|
|
math_Matrix& D)
|
|
{
|
|
Standard_Integer i;
|
|
gp_Pnt P,P1;
|
|
gp_Vec DP,DP1U,DP1V;
|
|
TheCurve->D1(X(1),P,DP); //derivee de la generatrice
|
|
TheSurface->D1(X(2),X(3),P1,DP1U,DP1V); //derivee de la new surface
|
|
|
|
for (i=1;i<=3;i++)
|
|
{
|
|
F(i) = P.Coord(i) - P1.Coord(i);
|
|
|
|
D(i,1) = DP.Coord(i);
|
|
D(i,2) = -DP1U.Coord(i);
|
|
D(i,3) = -DP1V.Coord(i);
|
|
}
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : DerivT
|
|
// Purpose : calcul of the first derivative from t
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::DerivT(const Handle(Adaptor3d_HCurve)& C,
|
|
const Standard_Real Param,
|
|
const Standard_Real W,
|
|
const gp_Vec & dN,
|
|
const Standard_Real teta,
|
|
math_Vector& F)
|
|
|
|
{
|
|
gp_Pnt P;
|
|
gp_Vec DP;
|
|
|
|
C->D1(Param, P, DP); // derivee de la section
|
|
|
|
F(1) = DP.Coord(1) + W * dN.Coord(1) * Sin(teta);
|
|
F(2) = DP.Coord(2) + W * dN.Coord(2) * Sin(teta);
|
|
F(3) = DP.Coord(3) + W * dN.Coord(3) * Sin(teta);
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : Deriv2T
|
|
// Purpose : calcul of the second derivatice from t
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::Deriv2T(const Handle(Adaptor3d_HCurve)& C,
|
|
const Standard_Real Param,
|
|
const Standard_Real W,
|
|
const gp_Vec & d2N,
|
|
const Standard_Real teta,
|
|
math_Vector& F)
|
|
{
|
|
gp_Pnt P;
|
|
gp_Vec DP,D2P;
|
|
|
|
C->D2(Param, P, DP, D2P); // derivee de la section
|
|
|
|
F(1) = D2P.Coord(1) + W * d2N.Coord(1) * Sin(teta);
|
|
F(2) = D2P.Coord(2) + W * d2N.Coord(2) * Sin(teta);
|
|
F(3) = D2P.Coord(3) + W * d2N.Coord(3) * Sin(teta);
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : DerivTX
|
|
// Purpose : calcul of the second derivative from t and x
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::DerivTX(const gp_Vec & dN,
|
|
const Standard_Real teta,
|
|
math_Matrix& D)
|
|
{
|
|
// gp_Pnt P;
|
|
// gp_Vec DP,D2P;
|
|
|
|
Standard_Integer i;
|
|
for (i=1;i<=3;i++)
|
|
{
|
|
D(i,1) = dN.Coord(i)*Sin(teta); //derivee / W
|
|
D(i,2) = 0.; // derivee / U
|
|
D(i,3) = 0.; // derivee / V
|
|
}
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
//*******************************************************
|
|
// Function : Deriv2X
|
|
// Purpose : calcul of the second derivative from x
|
|
//*******************************************************
|
|
Standard_Boolean GeomFill_FunctionDraft::Deriv2X(const math_Vector & X,
|
|
GeomFill_Tensor& T)
|
|
{
|
|
gp_Pnt P;
|
|
gp_Vec DPu,DPv;
|
|
gp_Vec D2Pu, D2Pv, D2Puv;
|
|
Standard_Integer i;
|
|
|
|
TheSurface->D2(X(2), X(3), P, DPu, DPv, D2Pu, D2Pv, D2Puv);
|
|
|
|
T.Init(0.); // tenseur
|
|
|
|
for (i=1;i<=3;i++)
|
|
{
|
|
T(i,2,2) = -D2Pu.Coord(i);
|
|
T(i,3,2) = T(i,2,3) = -D2Puv.Coord(i);
|
|
T(i,3,3) = -D2Pv.Coord(i);
|
|
}
|
|
|
|
return Standard_True;
|
|
}
|
|
|
|
|
|
|