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occt/src/Geom2dGcc/Geom2dGcc_Circ2d2TanOn.cxx
abv d5f74e42d6 0024624: Lost word in license statement in source files 
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
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Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
2014-02-20 16:15:17 +04:00

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// Created on: 1992-10-21
// Created by: Remi GILET
// Copyright (c) 1992-1999 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 <Geom2dGcc_Circ2d2TanOn.ixx>
#include <Geom2dAdaptor_Curve.hxx>
#include <GccAna_Circ2d2TanOn.hxx>
#include <Geom2dGcc_MyCirc2d2TanOn.hxx>
#include <Geom2dGcc_MyC2d2TanOn.hxx>
#include <Geom2dGcc_MyQCurve.hxx>
#include <GccEnt_BadQualifier.hxx>
#include <Geom2d_Circle.hxx>
#include <Geom2d_Line.hxx>
#include <GccEnt_QualifiedCirc.hxx>
#include <GccEnt_QualifiedLin.hxx>
#include <StdFail_NotDone.hxx>
Geom2dGcc_Circ2d2TanOn::
Geom2dGcc_Circ2d2TanOn (const Geom2dGcc_QualifiedCurve& Qualified1 ,
const Geom2dGcc_QualifiedCurve& Qualified2 ,
const Geom2dAdaptor_Curve& OnCurve ,
const Standard_Real Tolerance ,
const Standard_Real Param1 ,
const Standard_Real Param2 ,
const Standard_Real ParamOn ):
cirsol(1,8) ,
qualifier1(1,8),
qualifier2(1,8),
TheSame1(1,8) ,
TheSame2(1,8) ,
pnttg1sol(1,8),
pnttg2sol(1,8),
pntcen(1,8) ,
par1sol(1,8) ,
par2sol(1,8) ,
pararg1(1,8) ,
pararg2(1,8) ,
parcen3(1,8)
{
Geom2dAdaptor_Curve C1 = Qualified1.Qualified();
Geom2dAdaptor_Curve C2 = Qualified2.Qualified();
GeomAbs_CurveType Type1 = C1.GetType();
GeomAbs_CurveType Type2 = C2.GetType();
GeomAbs_CurveType Type3 = OnCurve.GetType();
Handle(Geom2d_Curve) CC1 = C1.Curve();
Handle(Geom2d_Curve) CC2 = C2.Curve();
Handle(Geom2d_Curve) Con = OnCurve.Curve();
//=============================================================================
// Appel a GccAna. +
//=============================================================================
Invert = Standard_False;
NbrSol = 0;
if ((Type1 == GeomAbs_Line || Type1 == GeomAbs_Circle) &&
(Type2 == GeomAbs_Line || Type2 == GeomAbs_Circle)) {
if (Type3 == GeomAbs_Line || Type3 == GeomAbs_Circle) {
if (Type1 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
gp_Circ2d c1(CCC1->Circ2d());
GccEnt_QualifiedCirc Qc1 =
GccEnt_QualifiedCirc(c1,Qualified1.Qualifier());
if (Type2 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
gp_Circ2d c2(CCC2->Circ2d());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,
GccEnt_QualifiedCirc(c2,Qualified2.Qualifier()),
CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,
GccEnt_QualifiedCirc(c2,Qualified2.Qualifier()),
LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
else {
Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
gp_Lin2d l2(LL2->Lin2d());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,
GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,
GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
}
else {
Handle(Geom2d_Line) LL1 = Handle(Geom2d_Line)::DownCast(CC1);
gp_Lin2d l1(LL1->Lin2d());
GccEnt_QualifiedLin Ql1 =
GccEnt_QualifiedLin(l1,Qualified1.Qualifier());
if (Type2 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
gp_Circ2d c2(CCC2->Circ2d());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(GccEnt_QualifiedCirc(c2,
Qualified2.Qualifier()),
Ql1,CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
Invert = Standard_True;
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(GccEnt_QualifiedCirc(c2,
Qualified2.Qualifier()),
Ql1,LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
Invert = Standard_True;
}
}
else {
Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
gp_Lin2d l2(LL2->Lin2d());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Ql1,
GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Ql1,
GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
}
}
//=============================================================================
// Appel a GccGeo. +
//=============================================================================
else {
if (Type1 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
gp_Circ2d c1(CCC1->Circ2d());
GccEnt_QualifiedCirc Qc1 =
GccEnt_QualifiedCirc(c1,Qualified1.Qualifier());
if (Type2 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
gp_Circ2d c2(CCC2->Circ2d());
GccEnt_QualifiedCirc Qc2 =
GccEnt_QualifiedCirc(c2,Qualified2.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Qc1,Qc2,OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
else {
Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
gp_Lin2d l2(LL2->Lin2d());
GccEnt_QualifiedLin Ql2 =
GccEnt_QualifiedLin(l2,Qualified2.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Qc1,Ql2,OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
}
else {
Handle(Geom2d_Line) LL1 = Handle(Geom2d_Line)::DownCast(CC1);
gp_Lin2d l1(LL1->Lin2d());
GccEnt_QualifiedLin Ql1 =
GccEnt_QualifiedLin(l1,Qualified1.Qualifier());
if (Type2 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
gp_Circ2d c2(CCC2->Circ2d());
GccEnt_QualifiedCirc Qc2 =
GccEnt_QualifiedCirc(c2,Qualified2.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Qc2,Ql1,OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
Invert = Standard_True;
}
else {
Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
gp_Lin2d l2(LL2->Lin2d());
GccEnt_QualifiedLin Ql2 =
GccEnt_QualifiedLin(l2,Qualified2.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Ql1,Ql2,OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
}
}
}
//=============================================================================
// Appel a GccIter. +
//=============================================================================
else {
Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
Geom2dGcc_MyQCurve Qc2(C2,Qualified2.Qualifier());
if ((Type3 == GeomAbs_Circle || Type3 == GeomAbs_Line)) {
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Qc2,CCon->Circ2d(),
Param1,Param2,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
if (Circ.IsTheSame2()) { TheSame2(1) = 1; }
else {TheSame2(1) = 0; }
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Qc2,LLon->Lin2d(),
Param1,Param2,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
if (Circ.IsTheSame2()) { TheSame2(1) = 1; }
else {TheSame2(1) = 0; }
Circ.WhichQualifier(qualifier1(1),qualifier2(1));
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
}
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Qc2,OnCurve,
Param1,Param2,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
if (Circ.IsTheSame2()) { TheSame2(1) = 1; }
else {TheSame2(1) = 0; }
Circ.WhichQualifier(qualifier1(1),qualifier2(1));
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
}
Geom2dGcc_Circ2d2TanOn::
Geom2dGcc_Circ2d2TanOn (const Geom2dGcc_QualifiedCurve& Qualified1 ,
const Handle(Geom2d_Point)& Point ,
const Geom2dAdaptor_Curve& OnCurve ,
const Standard_Real Tolerance ,
const Standard_Real Param1 ,
const Standard_Real ParamOn ):
cirsol(1,8) ,
qualifier1(1,8),
qualifier2(1,8),
TheSame1(1,8) ,
TheSame2(1,8) ,
pnttg1sol(1,8),
pnttg2sol(1,8),
pntcen(1,8) ,
par1sol(1,8) ,
par2sol(1,8) ,
pararg1(1,8) ,
pararg2(1,8) ,
parcen3(1,8)
{
Geom2dAdaptor_Curve C1 = Qualified1.Qualified();
GeomAbs_CurveType Type1 = C1.GetType();
GeomAbs_CurveType Type3 = OnCurve.GetType();
Handle(Geom2d_Curve) CC1 = C1.Curve();
Handle(Geom2d_Curve) Con = OnCurve.Curve();
//=============================================================================
// Appel a GccAna. +
//=============================================================================
Invert = Standard_False;
NbrSol = 0;
if (Type1 == GeomAbs_Line || Type1 == GeomAbs_Circle) {
if (Type3 == GeomAbs_Line || Type3 == GeomAbs_Circle) {
gp_Pnt2d pnt(Point->Pnt2d());
if (Type1 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
gp_Circ2d c1(CCC1->Circ2d());
GccEnt_QualifiedCirc Qc1(c1,Qualified1.Qualifier());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,pnt,CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else if (Type3 == GeomAbs_Line) {
Handle(Geom2d_Line) CCon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Qc1,pnt,CCon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
else {
Handle(Geom2d_Line) LLL1 = Handle(Geom2d_Line)::DownCast(CC1);
gp_Lin2d l1(LLL1->Lin2d());
GccEnt_QualifiedLin Ql1(l1,Qualified1.Qualifier());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Ql1,pnt,CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else if (Type3 == GeomAbs_Line) {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(Ql1,pnt,LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
}
//=============================================================================
// Appel a GccGeo. +
//=============================================================================
else {
if (Type1 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
gp_Circ2d c1(CCC1->Circ2d());
GccEnt_QualifiedCirc Qc1(c1,Qualified1.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Qc1,Point->Pnt2d(),OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
else {
Handle(Geom2d_Line) LLL1 = Handle(Geom2d_Line)::DownCast(CC1);
gp_Lin2d l1(LLL1->Lin2d());
GccEnt_QualifiedLin Ql1(l1,Qualified1.Qualifier());
Geom2dGcc_MyCirc2d2TanOn CircGeo(Ql1,Point->Pnt2d(),OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
}
}
//=============================================================================
// Appel a GccIter. +
//=============================================================================
else {
Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
if ((Type3 == GeomAbs_Circle || Type3 == GeomAbs_Line)) {
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Point->Pnt2d(),CCon->Circ2d(),
Param1,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
Circ.WhichQualifier(qualifier1(1),qualifier2(1));
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Point->Pnt2d(),LLon->Lin2d(),
Param1,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
Circ.WhichQualifier(qualifier1(1),qualifier2(1));
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
}
else {
Geom2dGcc_MyC2d2TanOn Circ(Qc1,Point->Pnt2d(),OnCurve,
Param1,ParamOn,Tolerance);
WellDone = Circ.IsDone();
NbrSol = 1;
cirsol(1) = Circ.ThisSolution();
if (Circ.IsTheSame1()) { TheSame1(1) = 1; }
else {TheSame1(1) = 0; }
if (Circ.IsTheSame2()) { TheSame2(1) = 1; }
else {TheSame2(1) = 0; }
Circ.WhichQualifier(qualifier1(1),qualifier2(1));
Circ.Tangency1(par1sol(1),pararg1(1),pnttg1sol(1));
Circ.Tangency2(par2sol(1),pararg2(1),pnttg2sol(1));
}
}
}
Geom2dGcc_Circ2d2TanOn::
Geom2dGcc_Circ2d2TanOn (const Handle(Geom2d_Point)& Point1 ,
const Handle(Geom2d_Point)& Point2 ,
const Geom2dAdaptor_Curve& OnCurve ,
const Standard_Real Tolerance ):
cirsol(1,8) ,
qualifier1(1,8),
qualifier2(1,8),
TheSame1(1,8) ,
TheSame2(1,8) ,
pnttg1sol(1,8),
pnttg2sol(1,8),
pntcen(1,8) ,
par1sol(1,8) ,
par2sol(1,8) ,
pararg1(1,8) ,
pararg2(1,8) ,
parcen3(1,8)
{
GeomAbs_CurveType Type3 = OnCurve.GetType();
Handle(Geom2d_Curve) Con = OnCurve.Curve();
//=============================================================================
// Appel a GccAna. +
//=============================================================================
Invert = Standard_False;
NbrSol = 0;
if (Type3 == GeomAbs_Line || Type3 == GeomAbs_Circle) {
gp_Pnt2d pnt1(Point1->Pnt2d());
gp_Pnt2d pnt2(Point2->Pnt2d());
if (Type3 == GeomAbs_Circle) {
Handle(Geom2d_Circle) CCon = Handle(Geom2d_Circle)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(pnt1,pnt2,CCon->Circ2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
else {
Handle(Geom2d_Line) LLon = Handle(Geom2d_Line)::DownCast(Con);
GccAna_Circ2d2TanOn CircAna(pnt1,pnt2,LLon->Lin2d(),Tolerance);
WellDone = CircAna.IsDone();
NbrSol = CircAna.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircAna);
}
}
//=============================================================================
// Appel a GccGeo. +
//=============================================================================
else {
Geom2dGcc_MyCirc2d2TanOn CircGeo(Point1->Pnt2d(),Point2->Pnt2d(),
OnCurve,Tolerance);
WellDone = CircGeo.IsDone();
NbrSol = CircGeo.NbSolutions();
for(Standard_Integer i=1; i<=NbrSol; i++) {
CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
}
Results(CircGeo);
}
}
void Geom2dGcc_Circ2d2TanOn::Results(const GccAna_Circ2d2TanOn& Circ)
{
for (Standard_Integer j = 1; j <= NbrSol; j++) {
cirsol(j) = Circ.ThisSolution(j);
if (Circ.IsTheSame1(j)) { TheSame1(j) = 1; }
else {TheSame1(j) = 0; }
if (Circ.IsTheSame2(j)) { TheSame2(j) = 1; }
else {TheSame2(j) = 0; }
Circ.WhichQualifier(j,qualifier1(j),qualifier2(j));
Circ.Tangency1(j,par1sol(j),pararg1(j),pnttg1sol(j));
Circ.Tangency2(j,par2sol(j),pararg2(j),pnttg2sol(j));
Circ.CenterOn3(j,parcen3(j),pntcen(j));
}
}
void Geom2dGcc_Circ2d2TanOn::Results(const Geom2dGcc_MyCirc2d2TanOn& Circ)
{
for (Standard_Integer j = 1; j <= NbrSol; j++) {
cirsol(j) = Circ.ThisSolution(j);
if (Circ.IsTheSame1(j)) { TheSame1(j) = 1; }
else {TheSame1(j) = 0; }
if (Circ.IsTheSame2(j)) { TheSame2(j) = 1; }
else {TheSame2(j) = 0; }
Circ.WhichQualifier(j,qualifier1(j),qualifier2(j));
Circ.Tangency1(j,par1sol(j),pararg1(j),pnttg1sol(j));
Circ.Tangency2(j,par2sol(j),pararg2(j),pnttg2sol(j));
Circ.CenterOn3(j,parcen3(j),pntcen(j));
}
}
Standard_Boolean Geom2dGcc_Circ2d2TanOn::
IsDone () const { return WellDone; }
Standard_Integer Geom2dGcc_Circ2d2TanOn::
NbSolutions () const
{
return NbrSol;
}
gp_Circ2d Geom2dGcc_Circ2d2TanOn::
ThisSolution (const Standard_Integer Index) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
return cirsol(Index);
}
void Geom2dGcc_Circ2d2TanOn::
WhichQualifier (const Standard_Integer Index ,
GccEnt_Position& Qualif1 ,
GccEnt_Position& Qualif2) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
else {
if (Invert) {
Qualif1 = qualifier2(Index);
Qualif2 = qualifier1(Index);
}
else {
Qualif1 = qualifier1(Index);
Qualif2 = qualifier2(Index);
}
}
}
void Geom2dGcc_Circ2d2TanOn::
Tangency1 (const Standard_Integer Index,
Standard_Real& ParSol,
Standard_Real& ParArg,
gp_Pnt2d& PntSol) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
else {
if (Invert) {
if (TheSame2(Index) == 0) {
ParSol = par2sol(Index);
ParArg = pararg2(Index);
PntSol = pnttg2sol(Index);
}
else { StdFail_NotDone::Raise(); }
}
else {
if (TheSame1(Index) == 0) {
ParSol = par1sol(Index);
ParArg = pararg1(Index);
PntSol = pnttg1sol(Index);
}
else { StdFail_NotDone::Raise(); }
}
}
}
void Geom2dGcc_Circ2d2TanOn::
Tangency2 (const Standard_Integer Index,
Standard_Real& ParSol,
Standard_Real& ParArg,
gp_Pnt2d& PntSol) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
else {
if (!Invert) {
if (TheSame2(Index) == 0) {
ParSol = par2sol(Index);
ParArg = pararg2(Index);
PntSol = pnttg2sol(Index);
}
else { StdFail_NotDone::Raise(); }
}
else {
if (TheSame1(Index) == 0) {
ParSol = par1sol(Index);
ParArg = pararg1(Index);
PntSol = pnttg1sol(Index);
}
else { StdFail_NotDone::Raise(); }
}
}
}
void Geom2dGcc_Circ2d2TanOn::
CenterOn3 (const Standard_Integer Index,
Standard_Real& ParArg,
gp_Pnt2d& PntSol) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
else {
ParArg = parcen3(Index);
PntSol = pntcen(Index);
}
}
Standard_Boolean Geom2dGcc_Circ2d2TanOn::
IsTheSame1 (const Standard_Integer Index) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
if (Invert) {
if (TheSame2(Index) == 0) { return Standard_False; }
else { return Standard_True; }
}
else {
if (TheSame1(Index) == 0) { return Standard_False; }
else { return Standard_True; }
}
}
Standard_Boolean Geom2dGcc_Circ2d2TanOn::
IsTheSame2 (const Standard_Integer Index) const
{
if (!WellDone) { StdFail_NotDone::Raise(); }
if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
if (!Invert) {
if (TheSame2(Index) == 0) { return Standard_False; }
else { return Standard_True; }
}
else {
if (TheSame1(Index) == 0) { return Standard_False; }
else { return Standard_True; }
}
// return Standard_True;
}
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