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occt/src/BlendFunc/BlendFunc_EvolRadInv.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

442 lines
12 KiB
C++

// Created on: 1993-12-21
// Created by: Jacques GOUSSARD
// Copyright (c) 1993-1999 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 <Adaptor2d_HCurve2d.hxx>
#include <Adaptor3d_HCurve.hxx>
#include <Adaptor3d_HSurface.hxx>
#include <BlendFunc.hxx>
#include <BlendFunc_EvolRadInv.hxx>
#include <Law_Function.hxx>
#include <math_Matrix.hxx>
#include <Precision.hxx>
#define Eps 1.e-15
BlendFunc_EvolRadInv::BlendFunc_EvolRadInv(const Handle(Adaptor3d_HSurface)& S1,
const Handle(Adaptor3d_HSurface)& S2,
const Handle(Adaptor3d_HCurve)& C,
const Handle(Law_Function)& Law) :
surf1(S1),surf2(S2),curv(C)
{
fevol = Law;
}
void BlendFunc_EvolRadInv::Set(const Standard_Integer Choix)
{
choix = Choix;
switch (choix) {
case 1:
case 2:
{
sg1 = -1.;
sg2 = -1.;
}
break;
case 3:
case 4:
{
sg1 = 1.;
sg2 = -1.;
}
break;
case 5:
case 6:
{
sg1 = 1.;
sg2 = 1.;
}
break;
case 7:
case 8:
{
sg1 = -1.;
sg2 = 1.;
}
break;
default:
sg1 = sg2 = -1.;
}
}
void BlendFunc_EvolRadInv::Set(const Standard_Boolean OnFirst,
const Handle(Adaptor2d_HCurve2d)& C)
{
first = OnFirst;
csurf = C;
}
Standard_Integer BlendFunc_EvolRadInv::NbEquations () const
{
return 4;
}
void BlendFunc_EvolRadInv::GetTolerance(math_Vector& Tolerance,
const Standard_Real Tol) const
{
Tolerance(1) = csurf->Resolution(Tol);
Tolerance(2) = curv->Resolution(Tol);
if (first) {
Tolerance(3) = surf2->UResolution(Tol);
Tolerance(4) = surf2->VResolution(Tol);
}
else {
Tolerance(3) = surf1->UResolution(Tol);
Tolerance(4) = surf1->VResolution(Tol);
}
}
void BlendFunc_EvolRadInv::GetBounds(math_Vector& InfBound,
math_Vector& SupBound) const
{
InfBound(1) = csurf->FirstParameter();
InfBound(2) = curv->FirstParameter();
SupBound(1) = csurf->LastParameter();
SupBound(2) = curv->LastParameter();
if (first) {
InfBound(3) = surf2->FirstUParameter();
InfBound(4) = surf2->FirstVParameter();
SupBound(3) = surf2->LastUParameter();
SupBound(4) = surf2->LastVParameter();
if(!Precision::IsInfinite(InfBound(3)) &&
!Precision::IsInfinite(SupBound(3))) {
const Standard_Real range = (SupBound(3) - InfBound(3));
InfBound(3) -= range;
SupBound(3) += range;
}
if(!Precision::IsInfinite(InfBound(4)) &&
!Precision::IsInfinite(SupBound(4))) {
const Standard_Real range = (SupBound(4) - InfBound(4));
InfBound(4) -= range;
SupBound(4) += range;
}
}
else {
InfBound(3) = surf1->FirstUParameter();
InfBound(4) = surf1->FirstVParameter();
SupBound(3) = surf1->LastUParameter();
SupBound(4) = surf1->LastVParameter();
if(!Precision::IsInfinite(InfBound(3)) &&
!Precision::IsInfinite(SupBound(3))) {
const Standard_Real range = (SupBound(3) - InfBound(3));
InfBound(3) -= range;
SupBound(3) += range;
}
if(!Precision::IsInfinite(InfBound(4)) &&
!Precision::IsInfinite(SupBound(4))) {
const Standard_Real range = (SupBound(4) - InfBound(4));
InfBound(4) -= range;
SupBound(4) += range;
}
}
}
Standard_Boolean BlendFunc_EvolRadInv::IsSolution(const math_Vector& Sol,
const Standard_Real Tol)
{
math_Vector valsol(1,4);
Value(Sol,valsol);
if (Abs(valsol(1)) <= Tol &&
(valsol(2)*valsol(2) + valsol(3)*valsol(3) + valsol(4)*valsol(4)) <= Tol*Tol)
return Standard_True;
return Standard_False;
}
Standard_Boolean BlendFunc_EvolRadInv::Value(const math_Vector& X,
math_Vector& F)
{
const Standard_Real ray = fevol->Value(X(2));
gp_Pnt ptcur;
gp_Vec d1cur;
curv->D1(X(2),ptcur,d1cur);
const gp_Vec nplan = d1cur.Normalized();
const Standard_Real theD = -(nplan.XYZ().Dot(ptcur.XYZ()));
const gp_Pnt2d pt2d(csurf->Value(X(1)));
gp_Pnt pts1,pts2;
gp_Vec d1u1,d1v1,d1u2,d1v2;
if (first)
{
surf1->D1(pt2d.X(),pt2d.Y(),pts1,d1u1,d1v1);
surf2->D1(X(3),X(4),pts2,d1u2,d1v2);
}
else
{
surf1->D1(X(3),X(4),pts1,d1u1,d1v1);
surf2->D1(pt2d.X(),pt2d.Y(),pts2,d1u2,d1v2);
}
F(1) = (nplan.X() * (pts1.X() + pts2.X()) +
nplan.Y() * (pts1.Y() + pts2.Y()) +
nplan.Z() * (pts1.Z() + pts2.Z())) /2. + theD;
gp_Vec ns1 = d1u1.Crossed(d1v1);
if (ns1.Magnitude() < Eps) {
if (first) BlendFunc::ComputeNormal(surf1, pt2d, ns1);
else {
gp_Pnt2d P(X(3), X(4));
BlendFunc::ComputeNormal(surf1, P, ns1);
}
}
gp_Vec ns2 = d1u2.Crossed(d1v2).XYZ();
if (ns2.Magnitude() < Eps) {
if (!first) BlendFunc::ComputeNormal(surf2, pt2d, ns2);
else {
gp_Pnt2d P(X(3), X(4));
BlendFunc::ComputeNormal(surf2, P, ns2);
}
}
const gp_Vec ncrossns1 = nplan.Crossed(ns1);
const gp_Vec ncrossns2 = nplan.Crossed(ns2);
Standard_Real norm1 = ncrossns1.Magnitude();
Standard_Real norm2 = ncrossns2.Magnitude();
if (norm1 < Eps) {
norm1 = 1.;
}
if (norm2 < Eps) {
norm2 = 1.;
}
gp_Vec resul;
const Standard_Real ndotns1 = nplan.Dot(ns1);
const Standard_Real ndotns2 = nplan.Dot(ns2);
ns1.SetLinearForm(ndotns1/norm1,nplan, -1./norm1,ns1);
ns2.SetLinearForm(ndotns2/norm2,nplan, -1./norm2,ns2);
resul.SetLinearForm(sg1*ray,ns1,-1.,pts2.XYZ(),-sg2*ray,ns2,pts1.XYZ());
F(2) = resul.X();
F(3) = resul.Y();
F(4) = resul.Z();
return Standard_True;
}
Standard_Boolean BlendFunc_EvolRadInv::Derivatives(const math_Vector& X,
math_Matrix& D)
{
math_Vector F(1, 4);
return Values (X, F, D);
}
Standard_Boolean BlendFunc_EvolRadInv::Values(const math_Vector& X,
math_Vector& F,
math_Matrix& D)
{
Standard_Real ray,dray;
fevol->D1(X(2),ray,dray);
gp_Pnt ptcur;
gp_Vec d1cur,d2cur;
curv->D2(X(2),ptcur,d1cur,d2cur);
const Standard_Real normtgcur = d1cur.Magnitude();
const gp_Vec nplan = d1cur.Normalized();
const Standard_Real theD = -(nplan.XYZ().Dot(ptcur.XYZ()));
gp_Vec dnplan;
dnplan.SetLinearForm(-nplan.Dot(d2cur),nplan,d2cur);
dnplan /= normtgcur;
gp_Pnt2d p2d;
gp_Vec2d v2d;
csurf->D1(X(1),p2d,v2d);
gp_Pnt pts1,pts2;
gp_Vec d1u1,d1v1,d1u2,d1v2;
gp_Vec d2u1,d2v1,d2u2,d2v2,d2uv1,d2uv2;
gp_Vec temp;
if (first)
{
surf1->D2(p2d.X(),p2d.Y(),pts1,d1u1,d1v1,d2u1,d2v1,d2uv1);
surf2->D2(X(3),X(4),pts2,d1u2,d1v2,d2u2,d2v2,d2uv2);
temp.SetLinearForm(v2d.X(),d1u1,v2d.Y(),d1v1);
D(1,1) = nplan.Dot(temp)/2.;
temp.SetXYZ(0.5*(pts1.XYZ()+pts2.XYZ())-ptcur.XYZ());
D(1,2) = dnplan.Dot(temp) - normtgcur;
D(1,3) = nplan.Dot(d1u2)/2.;
D(1,4) = nplan.Dot(d1v2)/2.;
}
else
{
surf1->D2(X(3),X(4),pts1,d1u1,d1v1,d2u1,d2v1,d2uv1);
surf2->D2(p2d.X(),p2d.Y(),pts2,d1u2,d1v2,d2u2,d2v2,d2uv2);
temp.SetLinearForm(v2d.X(),d1u2,v2d.Y(),d1v2);
D(1,1) = nplan.Dot(temp)/2.;
temp.SetXYZ(0.5*(pts1.XYZ()+pts2.XYZ())-ptcur.XYZ());
D(1,2) = dnplan.Dot(temp) - normtgcur;
D(1,3) = nplan.Dot(d1u1)/2.;
D(1,4) = nplan.Dot(d1v1)/2.;
}
F(1) = (nplan.X()* (pts1.X() + pts2.X()) +
nplan.Y()* (pts1.Y() + pts2.Y()) +
nplan.Z()* (pts1.Z() + pts2.Z())) /2. + theD;
gp_Vec ns1 = d1u1.Crossed(d1v1);
if (ns1.Magnitude() < Eps) {
if (first) BlendFunc::ComputeNormal(surf1, p2d, ns1);
else {
gp_Pnt2d P(X(3), X(4));
BlendFunc::ComputeNormal(surf1, P, ns1);
}
}
gp_Vec ns2 = d1u2.Crossed(d1v2);
if (ns2.Magnitude() < Eps) {
if (!first) BlendFunc::ComputeNormal(surf2, p2d, ns2);
else {
gp_Pnt2d P(X(3), X(4));
BlendFunc::ComputeNormal(surf2, P, ns2);
}
}
const gp_Vec ncrossns1 = nplan.Crossed(ns1);
const gp_Vec ncrossns2 = nplan.Crossed(ns2);
Standard_Real norm1 = ncrossns1.Magnitude();
Standard_Real norm2 = ncrossns2.Magnitude();
if (norm1 < Eps) {
norm1 = 1.;
}
if (norm2 < Eps) {
norm2 = 1.;
}
gp_Vec resul1,resul2;
Standard_Real grosterme;
const Standard_Real ndotns1 = nplan.Dot(ns1);
const Standard_Real ndotns2 = nplan.Dot(ns2);
temp.SetLinearForm(ndotns1/norm1,nplan, -1./norm1,ns1);
resul1.SetLinearForm(sg1*ray,temp,gp_Vec(pts2,pts1));
temp.SetLinearForm(ndotns2/norm2,nplan,-1./norm2,ns2);
resul1.Subtract(sg2*ray*temp);
F(2) = resul1.X();
F(3) = resul1.Y();
F(4) = resul1.Z();
// Derivee par rapport a u1
temp = d2u1.Crossed(d1v1).Added(d1u1.Crossed(d2uv1));
grosterme = ncrossns1.Dot(nplan.Crossed(temp))/norm1/norm1;
resul1.SetLinearForm
(-sg1*ray/norm1*(grosterme*ndotns1-nplan.Dot(temp)),nplan,
sg1*ray*grosterme/norm1,ns1,
-sg1*ray/norm1,temp,
d1u1);
// Derivee par rapport a v1
temp = d2uv1.Crossed(d1v1).Added(d1u1.Crossed(d2v1));
grosterme = ncrossns1.Dot(nplan.Crossed(temp))/norm1/norm1;
resul2.SetLinearForm
(-sg1*ray/norm1*(grosterme*ndotns1-nplan.Dot(temp)),nplan,
sg1*ray*grosterme/norm1,ns1,
-sg1*ray/norm1,temp,
d1v1);
if (first) {
D(2,1) = v2d.X()*resul1.X() + v2d.Y()*resul2.X();
D(3,1) = v2d.X()*resul1.Y() + v2d.Y()*resul2.Y();
D(4,1) = v2d.X()*resul1.Z() + v2d.Y()*resul2.Z();
}
else {
D(2,3) = resul1.X();
D(3,3) = resul1.Y();
D(4,3) = resul1.Z();
D(2,4) = resul2.X();
D(3,4) = resul2.Y();
D(4,4) = resul2.Z();
}
// derivee par rapport a w (parametre sur ligne guide)
grosterme = ncrossns1.Dot(dnplan.Crossed(ns1))/norm1/norm1;
resul1.SetLinearForm(-sg1/norm1*(grosterme*ndotns1-dnplan.Dot(ns1)),nplan,
sg1*ndotns1/norm1,dnplan,
sg1*grosterme/norm1,ns1);
grosterme = ncrossns2.Dot(dnplan.Crossed(ns2))/norm2/norm2;
resul2.SetLinearForm(sg2/norm2*(grosterme*ndotns2-dnplan.Dot(ns2)),nplan,
-sg2*ndotns2/norm2,dnplan,
-sg2*grosterme/norm2,ns2);
D(2,2) = ray*(resul1.X() + resul2.X());
D(3,2) = ray*(resul1.Y() + resul2.Y());
D(4,2) = ray*(resul1.Z() + resul2.Z());
temp.SetLinearForm(sg1*ndotns1/norm1 - sg2*ndotns2/norm2,nplan,
-sg1/norm1,ns1,
sg2/norm2,ns2);
D(2,2) += dray*temp.X();
D(3,2) += dray*temp.Y();
D(4,2) += dray*temp.Z();
// Derivee par rapport a u2
temp = d2u2.Crossed(d1v2).Added(d1u2.Crossed(d2uv2));
grosterme = ncrossns2.Dot(nplan.Crossed(temp))/norm2/norm2;
resul1.SetLinearForm(sg2*ray/norm2*(grosterme*ndotns2-nplan.Dot(temp)),nplan,
-sg2*ray*grosterme/norm2,ns2,
sg2*ray/norm2,temp);
resul1.Subtract(d1u2);
// Derivee par rapport a v2
temp = d2uv2.Crossed(d1v2).Added(d1u2.Crossed(d2v2));
grosterme = ncrossns2.Dot(nplan.Crossed(temp))/norm2/norm2;
resul2.SetLinearForm(sg2*ray/norm2*(grosterme*ndotns2-nplan.Dot(temp)),nplan,
-sg2*ray*grosterme/norm2,ns2,
sg2*ray/norm2,temp);
resul2.Subtract(d1v2);
if (!first) {
D(2,1) = v2d.X()*resul1.X() + v2d.Y()*resul2.X();
D(3,1) = v2d.X()*resul1.Y() + v2d.Y()*resul2.Y();
D(4,1) = v2d.X()*resul1.Z() + v2d.Y()*resul2.Z();
}
else {
D(2,3) = resul1.X();
D(3,3) = resul1.Y();
D(4,3) = resul1.Z();
D(2,4) = resul2.X();
D(3,4) = resul2.Y();
D(4,4) = resul2.Z();
}
return Standard_True;
}