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occt/src/IntImp/IntImp_Int2S.gxx

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// Copyright (c) 1995-1999 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.
#ifndef OCCT_DEBUG
#define No_Standard_RangeError
#define No_Standard_OutOfRange
#endif
#include <IntImp_ComputeTangence.hxx>
#include <math_FunctionSetRoot.hxx>
#include <math_Vector.hxx>
#include <IntImp_ConstIsoparametric.hxx>
#include <Standard_ConstructionError.hxx>
#include <Precision.hxx>
IntImp_Int2S::IntImp_Int2S(const ThePSurface& surf1,
const ThePSurface& surf2,
const Standard_Real TolTangency ) :
done(Standard_True),
empty(Standard_True),
tangent(Standard_False),
myZerParFunc(surf1,surf2),
tol(TolTangency*TolTangency)
{
ua0 = ThePSurfaceTool::FirstUParameter(surf1); //-- ThePSurfaceTool::UIntervalFirst(surf1);
va0 = ThePSurfaceTool::FirstVParameter(surf1); //-- ThePSurfaceTool::VIntervalFirst(surf1);
ua1 = ThePSurfaceTool::LastUParameter(surf1); //-- ThePSurfaceTool::UIntervalLast(surf1);
va1 = ThePSurfaceTool::LastVParameter(surf1); //-- ThePSurfaceTool::VIntervalLast(surf1);
ub0 = ThePSurfaceTool::FirstUParameter(surf2); //-- ThePSurfaceTool::UIntervalFirst(surf2);
vb0 = ThePSurfaceTool::FirstVParameter(surf2); //-- ThePSurfaceTool::VIntervalFirst(surf2);
ub1 = ThePSurfaceTool::LastUParameter(surf2); //-- ThePSurfaceTool::UIntervalLast(surf2);
vb1 = ThePSurfaceTool::LastVParameter(surf2); //-- ThePSurfaceTool::VIntervalLast(surf2);
ures1 = ThePSurfaceTool::UResolution(surf1,Precision::Confusion());
vres1 = ThePSurfaceTool::VResolution(surf1,Precision::Confusion());
ures2 = ThePSurfaceTool::UResolution(surf2,Precision::Confusion());
vres2 = ThePSurfaceTool::VResolution(surf2,Precision::Confusion());
}
IntImp_Int2S::IntImp_Int2S(const TColStd_Array1OfReal& Param,
const ThePSurface& surf1,
const ThePSurface& surf2,
const Standard_Real TolTangency ) :
done(Standard_True),
empty(Standard_True),
myZerParFunc(surf1,surf2),
tol(TolTangency*TolTangency)
{
math_FunctionSetRoot Rsnld(myZerParFunc,15); //-- Modif lbr 18 MAI ?????????????
ua0 = ThePSurfaceTool::FirstUParameter(surf1); //-- ThePSurfaceTool::UIntervalFirst(surf1);
va0 = ThePSurfaceTool::FirstVParameter(surf1); //-- ThePSurfaceTool::VIntervalFirst(surf1);
ua1 = ThePSurfaceTool::LastUParameter(surf1); //-- ThePSurfaceTool::UIntervalLast(surf1);
va1 = ThePSurfaceTool::LastVParameter(surf1); //-- ThePSurfaceTool::VIntervalLast(surf1);
ub0 = ThePSurfaceTool::FirstUParameter(surf2); //-- ThePSurfaceTool::UIntervalFirst(surf2);
vb0 = ThePSurfaceTool::FirstVParameter(surf2); //-- ThePSurfaceTool::VIntervalFirst(surf2);
ub1 = ThePSurfaceTool::LastUParameter(surf2); //-- ThePSurfaceTool::UIntervalLast(surf2);
vb1 = ThePSurfaceTool::LastVParameter(surf2); //-- ThePSurfaceTool::VIntervalLast(surf2);
ures1 = ThePSurfaceTool::UResolution(surf1,Precision::Confusion());
vres1 = ThePSurfaceTool::VResolution(surf1,Precision::Confusion());
ures2 = ThePSurfaceTool::UResolution(surf2,Precision::Confusion());
vres2 = ThePSurfaceTool::VResolution(surf2,Precision::Confusion());
Perform(Param,Rsnld);
}
IntImp_ConstIsoparametric IntImp_Int2S:: Perform(const TColStd_Array1OfReal& Param,
math_FunctionSetRoot& Rsnld,
const IntImp_ConstIsoparametric ChoixIso)
{
Standard_Real BornInfBuf[3] = {}, BornSupBuf[3] = {}, ToleranceBuf[3] = {}, UVapBuf[3] = {};
Standard_Real UvresBuf[4] = {};
math_Vector BornInf (BornInfBuf, 1, 3), BornSup (BornSupBuf, 1, 3),
Tolerance (ToleranceBuf, 1, 3), UVap (UVapBuf, 1, 3);
TColStd_Array1OfReal Uvres (UvresBuf[0], 1, 4);
IntImp_ConstIsoparametric BestChoix;
myZerParFunc.ComputeParameters(ChoixIso,Param,UVap,BornInf,BornSup,Tolerance);
Rsnld.SetTolerance(Tolerance);
Rsnld.Perform(myZerParFunc,UVap,BornInf,BornSup);
BestChoix = ChoixIso;
if (Rsnld.IsDone()) {
if (Abs(myZerParFunc.Root()) <= tol) { //distance des 2 points
// dans la tolerance
Rsnld.Root(UVap);
empty = Standard_False;
tangent = myZerParFunc.IsTangent(UVap,Uvres,BestChoix);
pint.SetValue(myZerParFunc.Point(),Uvres(1),Uvres(2),Uvres(3),Uvres(4));
if (!tangent) {
d3d = myZerParFunc.Direction();
d2d1 = myZerParFunc.DirectionOnS1();
d2d2 = myZerParFunc.DirectionOnS2();
}
}
else {
empty = Standard_True;
}
}
else {
empty = Standard_True;
}
return BestChoix;
}
IntImp_ConstIsoparametric IntImp_Int2S:: Perform(const TColStd_Array1OfReal& Param,
math_FunctionSetRoot& Rsnld)
{
gp_Vec DPUV[4];
gp_Pnt P1,P2;
Standard_Real Epsuv[4];
Standard_Real DuvBuf[4];
TColStd_Array1OfReal Duv (DuvBuf[0], 1, 4);
Standard_Real UVd[4],UVf[4];
IntImp_ConstIsoparametric ChoixIso[4];
IntImp_ConstIsoparametric BestChoix = ChoixRef(0);
const ThePSurface& Caro1 = myZerParFunc.AuxillarSurface1();
const ThePSurface& Caro2 = myZerParFunc.AuxillarSurface2();
ThePSurfaceTool::D1(Caro1, Param(1),Param(2),P1,DPUV[0],DPUV[1]);
ThePSurfaceTool::D1(Caro2, Param(3),Param(4),P2,DPUV[2],DPUV[3]);
Epsuv[0] = ThePSurfaceTool::UResolution(Caro1,Precision::Confusion());
Epsuv[1] = ThePSurfaceTool::VResolution(Caro1,Precision::Confusion());
Epsuv[2] = ThePSurfaceTool::UResolution(Caro2,Precision::Confusion());
Epsuv[3] = ThePSurfaceTool::VResolution(Caro2,Precision::Confusion());
for (Standard_Integer j=0;j<=3;j++)
UVd[j] = Param(j+1);
empty = Standard_True;
Standard_Boolean Tangent = IntImp_ComputeTangence(DPUV,Epsuv,UVd,ChoixIso);
if (Tangent)
return BestChoix;
Standard_Integer i=0;
IntImp_ConstIsoparametric CurrentChoix = BestChoix; //-- Modif 17 Mai 93
while (empty && i<= 3)
{
CurrentChoix = Perform(Param,Rsnld,ChoixIso[i]);
if(!empty) {
BestChoix = CurrentChoix;
}
i++;
}
if (!empty) { // verifier que l on ne deborde pas les frontieres
pint.Parameters(Duv(1),Duv(2),Duv(3),Duv(4));
UVd[0] = ua0; //-- ThePSurfaceTool::UIntervalFirst(Caro1);
UVd[1] = va0; //-- ThePSurfaceTool::VIntervalFirst(Caro1);
UVf[0] = ua1; //-- ThePSurfaceTool::UIntervalLast(Caro1);
UVf[1] = va1; //-- ThePSurfaceTool::VIntervalLast(Caro1);
UVd[2] = ub0; //-- ThePSurfaceTool::UIntervalFirst(Caro2);
UVd[3] = vb0; //-- ubThePSurfaceTool::VIntervalFirst(Caro2);
UVf[2] = ub1; //-- ThePSurfaceTool::UIntervalLast(Caro2);
UVf[3] = vb1; //-- ThePSurfaceTool::VIntervalLast(Caro2);
Standard_Integer Nc,Iiso;
if (Duv(1) <= UVd[0]-Epsuv[0]) {
Duv(1) = UVd[0];
Nc =0;
Iiso=0;
}
else if (Duv(1) >= UVf[0]+ Epsuv[0]) {
Duv(1) = UVf[0];
Nc =0;
Iiso=0;
}
else if (Duv(2) <= UVd[1] -Epsuv[1]) {
Duv(2) = UVd[1];
Nc =0;
Iiso=1;
}
else if (Duv(2) >= UVf[1]+Epsuv[1]) {
Duv(2) = UVf[1];
Nc =0;
Iiso=1;
}
else if (Duv(3) <= UVd[2]-Epsuv[2]) {
Duv(3) = UVd[2];
Nc =2;
Iiso = 2;
}
else if (Duv(3) >= UVf[2]+Epsuv[2]) {
Duv(3) = UVf[2];
Nc =2;
Iiso = 2;
}
else if (Duv(4) <= UVd[3]-Epsuv[3]) {
Duv(4) = UVd[3];
Nc =2;
Iiso = 3;
}
else if (Duv(4) >= UVf[3]+Epsuv[3]) {
Duv(4) = UVf[3];
Nc =2;
Iiso =3;
}
else return BestChoix; // on a gagne
empty = Standard_True;
BestChoix = ChoixRef(Iiso); //en attendant
BestChoix = Perform(Duv,Rsnld,BestChoix);
if (!empty) { // verification si l on ne deborde pas sur le carreau
// reciproque
Nc =3-Nc;
if (Duv(Nc) <= UVd[Nc-1]-Epsuv[Nc-1])
Duv(Nc)=UVd[Nc-1];
else if (Duv(Nc) >=UVf[Nc-1]+Epsuv[Nc-1])
Duv(Nc)=UVf[Nc-1];
else if (Duv(Nc+1) <= UVd[Nc])
{
Nc = Nc + 1;
Duv(Nc)=UVd[Nc-1];
}
else if (Duv(Nc+1) >=UVf[Nc])
{
Nc = Nc + 1;
Duv(Nc)=UVf[Nc-1];
}
else
return BestChoix;
empty = Standard_True;
if(Nc == 4)
Nc = 0;
BestChoix = ChoixRef(Nc); //en attendant
BestChoix = Perform(Duv,Rsnld,BestChoix);
}
}
return BestChoix;
}