1 // File: Geom2dGcc_Circ2d2TanRad.cxx
2 // Created: Wed Oct 21 14:49:57 1992
6 #include <Geom2dGcc_Circ2d2TanRad.ixx>
7 #include <Geom2dAdaptor_Curve.hxx>
8 #include <GccAna_Circ2d2TanRad.hxx>
9 #include <Geom2dGcc_MyCirc2d2TanRad.hxx>
10 #include <Geom2dGcc_MyQCurve.hxx>
11 #include <GccEnt_BadQualifier.hxx>
12 #include <Geom2d_Circle.hxx>
13 #include <Geom2d_Line.hxx>
14 #include <gp_Circ2d.hxx>
15 #include <gp_Lin2d.hxx>
16 #include <GccEnt_QualifiedCirc.hxx>
17 #include <GccEnt_QualifiedLin.hxx>
18 #include <StdFail_NotDone.hxx>
19 #include <Standard_NegativeValue.hxx>
20 #include <Standard_OutOfRange.hxx>
23 // circulaire tangent a deux cercles et de rayon donne
24 //====================================================
25 //========================================================================
26 // On initialise WellDone a false. +
27 // On recupere le cercle C1 et le cercle C2. +
28 // On sort en erreur dans les cas ou la construction est impossible. +
29 // On distingue les cas limites pour les triater separement. +
30 // On fait la parallele a C1 dans le bon sens. +
31 // On fait la parallele a C2 dans le bon sens. +
32 // On intersecte les paralleles ==> point de centre de la solution. +
33 // On cree la solution qu on ajoute aux solutions deja trouvees. +
34 // On remplit les champs. +
35 //========================================================================
37 Geom2dGcc_Circ2d2TanRad::
38 Geom2dGcc_Circ2d2TanRad (const Geom2dGcc_QualifiedCurve& Qualified1 ,
39 const Geom2dGcc_QualifiedCurve& Qualified2 ,
40 const Standard_Real Radius ,
41 const Standard_Real Tolerance ):
54 if (Radius < 0.) { Standard_NegativeValue::Raise(); }
56 Geom2dAdaptor_Curve C1 = Qualified1.Qualified();
57 Geom2dAdaptor_Curve C2 = Qualified2.Qualified();
58 Handle(Geom2d_Curve) CC1 = C1.Curve();
59 Handle(Geom2d_Curve) CC2 = C2.Curve();
60 GeomAbs_CurveType Type1 = C1.GetType();
61 GeomAbs_CurveType Type2 = C2.GetType();
63 //=============================================================================
65 //=============================================================================
67 Invert = Standard_False;
69 if ((Type1 == GeomAbs_Line || Type1 == GeomAbs_Circle) &&
70 (Type2 == GeomAbs_Line || Type2 == GeomAbs_Circle)) {
71 if (Type1 == GeomAbs_Circle) {
72 Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
73 gp_Circ2d c1(CCC1->Circ2d());
74 GccEnt_QualifiedCirc Qc1 = GccEnt_QualifiedCirc(c1,
75 Qualified1.Qualifier());
76 if (Type2 == GeomAbs_Circle) {
77 Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
78 gp_Circ2d c2(CCC2->Circ2d());
79 GccAna_Circ2d2TanRad CircAna(Qc1,
80 GccEnt_QualifiedCirc(c2,Qualified2.Qualifier()),
82 WellDone = CircAna.IsDone();
83 NbrSol = CircAna.NbSolutions();
84 for(Standard_Integer i=1; i<=NbrSol; i++) {
85 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
90 Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
91 gp_Lin2d l2(LL2->Lin2d());
92 if (!Qualified2.IsEnclosing()) {
93 GccAna_Circ2d2TanRad CircAna(Qc1,
94 GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
96 WellDone = CircAna.IsDone();
97 NbrSol = CircAna.NbSolutions();
98 for(Standard_Integer i=1; i<=NbrSol; i++) {
99 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
104 WellDone = Standard_False;
105 GccEnt_BadQualifier::Raise();
110 Handle(Geom2d_Line) LL1 = Handle(Geom2d_Line)::DownCast(CC1);
111 gp_Lin2d l1(LL1->Lin2d());
112 if (Qualified1.IsEnclosing()) {
113 WellDone = Standard_False;
114 GccEnt_BadQualifier::Raise();
117 GccEnt_QualifiedLin Ql1 = GccEnt_QualifiedLin(l1,
118 Qualified1.Qualifier());
119 if (Type2 == GeomAbs_Circle) {
120 Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
121 gp_Circ2d c2(CCC2->Circ2d());
122 Invert = Standard_True;
123 GccAna_Circ2d2TanRad CircAna(GccEnt_QualifiedCirc(c2,
124 Qualified2.Qualifier()),
125 Ql1,Radius,Tolerance);
126 WellDone = CircAna.IsDone();
127 NbrSol = CircAna.NbSolutions();
128 for(Standard_Integer i=1; i<=NbrSol; i++) {
129 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
134 Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
135 gp_Lin2d l2(LL2->Lin2d());
136 if (!Qualified2.IsEnclosing()) {
137 GccAna_Circ2d2TanRad CircAna(Ql1,
138 GccEnt_QualifiedLin(l2,Qualified2.Qualifier()),
140 WellDone = CircAna.IsDone();
141 NbrSol = CircAna.NbSolutions();
142 for(Standard_Integer i=1; i<=NbrSol; i++) {
143 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
148 WellDone = Standard_False;
149 GccEnt_BadQualifier::Raise();
155 //=============================================================================
157 //=============================================================================
159 if (Type1 == GeomAbs_Line) {
160 Handle(Geom2d_Line) LL1 = Handle(Geom2d_Line)::DownCast(CC1);
161 gp_Lin2d l1(LL1->Lin2d());
162 if (Qualified1.IsEnclosing()) {
163 WellDone = Standard_False;
164 GccEnt_BadQualifier::Raise();
167 GccEnt_QualifiedLin Ql1 = GccEnt_QualifiedLin(l1,
168 Qualified1.Qualifier());
169 Geom2dGcc_MyQCurve Qc2(C2,Qualified2.Qualifier());
170 Geom2dGcc_MyCirc2d2TanRad CircGeo(Ql1,Qc2,Radius,Tolerance);
171 WellDone = CircGeo.IsDone();
172 NbrSol = CircGeo.NbSolutions();
173 for(Standard_Integer i=1; i<=NbrSol; i++) {
174 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
179 else if (Type1 == GeomAbs_Circle) {
180 Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
181 gp_Circ2d c1(CCC1->Circ2d());
182 GccEnt_QualifiedCirc Qc1 = GccEnt_QualifiedCirc(c1,
183 Qualified1.Qualifier());
184 Geom2dGcc_MyQCurve Qc2(C2,Qualified2.Qualifier());
185 Geom2dGcc_MyCirc2d2TanRad CircGeo(Qc1,Qc2,Radius,Tolerance);
186 WellDone = CircGeo.IsDone();
187 NbrSol = CircGeo.NbSolutions();
188 for(Standard_Integer i=1; i<=NbrSol; i++) {
189 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
193 else if (Type2 == GeomAbs_Line) {
194 Invert = Standard_True;
195 Handle(Geom2d_Line) LL2 = Handle(Geom2d_Line)::DownCast(CC2);
196 gp_Lin2d l2(LL2->Lin2d());
197 if (Qualified2.IsEnclosing()) {
198 WellDone = Standard_False;
199 GccEnt_BadQualifier::Raise();
202 GccEnt_QualifiedLin Ql2 = GccEnt_QualifiedLin(l2,
203 Qualified2.Qualifier());
204 Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
205 Geom2dGcc_MyCirc2d2TanRad CircGeo(Ql2,Qc1,Radius,Tolerance);
206 WellDone = CircGeo.IsDone();
207 NbrSol = CircGeo.NbSolutions();
208 for(Standard_Integer i=1; i<=NbrSol; i++) {
209 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
214 else if (Type2 == GeomAbs_Circle) {
215 Invert = Standard_True;
216 Handle(Geom2d_Circle) CCC2 = Handle(Geom2d_Circle)::DownCast(CC2);
217 gp_Circ2d c2(CCC2->Circ2d());
218 GccEnt_QualifiedCirc Qc2 = GccEnt_QualifiedCirc(c2,
219 Qualified2.Qualifier());
220 Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
221 Geom2dGcc_MyCirc2d2TanRad CircGeo(Qc2,Qc1,Radius,Tolerance);
222 WellDone = CircGeo.IsDone();
223 NbrSol = CircGeo.NbSolutions();
224 for(Standard_Integer i=1; i<=NbrSol; i++) {
225 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
230 Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
231 Geom2dGcc_MyQCurve Qc2(C2,Qualified2.Qualifier());
232 Geom2dGcc_MyCirc2d2TanRad CircGeo(Qc1,Qc2,Radius,Tolerance);
233 WellDone = CircGeo.IsDone();
234 NbrSol = CircGeo.NbSolutions();
235 for(Standard_Integer i=1; i<=NbrSol; i++) {
236 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
244 Geom2dGcc_Circ2d2TanRad::
245 Geom2dGcc_Circ2d2TanRad (const Geom2dGcc_QualifiedCurve& Qualified1 ,
246 const Handle(Geom2d_Point)& Point ,
247 const Standard_Real Radius ,
248 const Standard_Real Tolerance ):
261 if (Radius < 0.) { Standard_NegativeValue::Raise(); }
263 Geom2dAdaptor_Curve C1 = Qualified1.Qualified();
264 Handle(Geom2d_Curve) CC1 = C1.Curve();
265 GeomAbs_CurveType Type1 = C1.GetType();
267 //=============================================================================
269 //=============================================================================
271 Invert = Standard_False;
273 if (Type1 == GeomAbs_Line || Type1 == GeomAbs_Circle) {
274 if (Type1 == GeomAbs_Circle) {
275 Handle(Geom2d_Circle) CCC1 = Handle(Geom2d_Circle)::DownCast(CC1);
276 gp_Circ2d c1(CCC1->Circ2d());
277 GccEnt_QualifiedCirc Qc1(c1,Qualified1.Qualifier());
278 GccAna_Circ2d2TanRad CircAna(Qc1,Point->Pnt2d(),Radius,Tolerance);
279 WellDone = CircAna.IsDone();
280 NbrSol = CircAna.NbSolutions();
281 for(Standard_Integer i=1; i<=NbrSol; i++) {
282 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
287 Handle(Geom2d_Line) LLL1 = Handle(Geom2d_Line)::DownCast(CC1);
288 gp_Lin2d l1(LLL1->Lin2d());
289 GccEnt_QualifiedLin Ql1(l1,Qualified1.Qualifier());
290 GccAna_Circ2d2TanRad CircAna(Ql1,Point->Pnt2d(),Radius,Tolerance);
291 WellDone = CircAna.IsDone();
292 NbrSol = CircAna.NbSolutions();
293 for(Standard_Integer i=1; i<=NbrSol; i++) {
294 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
299 //=============================================================================
301 //=============================================================================
303 Geom2dGcc_MyQCurve Qc1(C1,Qualified1.Qualifier());
304 Geom2dGcc_MyCirc2d2TanRad CircGeo(Qc1,Point->Pnt2d(),Radius,Tolerance);
305 WellDone = CircGeo.IsDone();
306 NbrSol = CircGeo.NbSolutions();
307 for(Standard_Integer i=1; i<=NbrSol; i++) {
308 CircGeo.WhichQualifier(i,qualifier1(i),qualifier2(i));
315 Geom2dGcc_Circ2d2TanRad::
316 Geom2dGcc_Circ2d2TanRad (const Handle(Geom2d_Point)& Point1 ,
317 const Handle(Geom2d_Point)& Point2 ,
318 const Standard_Real Radius ,
319 const Standard_Real Tolerance ):
332 if (Radius < 0.) { Standard_NegativeValue::Raise(); }
335 //=============================================================================
337 //=============================================================================
339 Invert = Standard_False;
341 GccAna_Circ2d2TanRad CircAna(Point1->Pnt2d(),Point2->Pnt2d(),
343 WellDone = CircAna.IsDone();
344 NbrSol = CircAna.NbSolutions();
345 for(Standard_Integer i=1; i<=NbrSol; i++) {
346 CircAna.WhichQualifier(i,qualifier1(i),qualifier2(i));
352 void Geom2dGcc_Circ2d2TanRad::Results(const GccAna_Circ2d2TanRad& Circ)
354 for (Standard_Integer j = 1; j <= NbrSol; j++) {
355 cirsol(j) = Circ.ThisSolution(j);
356 if (Circ.IsTheSame1(j)) { TheSame1(j) = 1; }
357 else {TheSame1(j) = 0; }
358 if (Circ.IsTheSame2(j)) { TheSame2(j) = 1; }
359 else {TheSame2(j) = 0; }
360 Circ.Tangency1(j,par1sol(j),pararg1(j),pnttg1sol(j));
361 Circ.Tangency2(j,par2sol(j),pararg2(j),pnttg2sol(j));
365 void Geom2dGcc_Circ2d2TanRad::Results(const Geom2dGcc_MyCirc2d2TanRad& Circ)
367 for (Standard_Integer j = 1; j <= NbrSol; j++) {
368 cirsol(j) = Circ.ThisSolution(j);
369 if (Circ.IsTheSame1(j)) { TheSame1(j) = 1; }
370 else {TheSame1(j) = 0; }
371 if (Circ.IsTheSame2(j)) { TheSame2(j) = 1; }
372 else {TheSame2(j) = 0; }
373 Circ.Tangency1(j,par1sol(j),pararg1(j),pnttg1sol(j));
374 Circ.Tangency2(j,par2sol(j),pararg2(j),pnttg2sol(j));
378 Standard_Boolean Geom2dGcc_Circ2d2TanRad::
379 IsDone () const { return WellDone; }
381 Standard_Integer Geom2dGcc_Circ2d2TanRad::
387 gp_Circ2d Geom2dGcc_Circ2d2TanRad::
388 ThisSolution (const Standard_Integer Index) const
390 if (!WellDone) { StdFail_NotDone::Raise(); }
391 if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
392 return cirsol(Index);
395 void Geom2dGcc_Circ2d2TanRad::
396 WhichQualifier (const Standard_Integer Index ,
397 GccEnt_Position& Qualif1 ,
398 GccEnt_Position& Qualif2) const
400 if (!WellDone) { StdFail_NotDone::Raise(); }
401 else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
404 Qualif1 = qualifier2(Index);
405 Qualif2 = qualifier1(Index);
408 Qualif1 = qualifier1(Index);
409 Qualif2 = qualifier2(Index);
414 void Geom2dGcc_Circ2d2TanRad::
415 Tangency1 (const Standard_Integer Index,
416 Standard_Real& ParSol,
417 Standard_Real& ParArg,
418 gp_Pnt2d& PntSol) const
420 if (!WellDone) { StdFail_NotDone::Raise(); }
421 else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
424 if (TheSame2(Index) == 0) {
425 ParSol = par2sol(Index);
426 ParArg = pararg2(Index);
427 PntSol = pnttg2sol(Index);
429 else { StdFail_NotDone::Raise(); }
432 if (TheSame1(Index) == 0) {
433 ParSol = par1sol(Index);
434 ParArg = pararg1(Index);
435 PntSol = pnttg1sol(Index);
437 else { StdFail_NotDone::Raise(); }
442 void Geom2dGcc_Circ2d2TanRad::
443 Tangency2 (const Standard_Integer Index,
444 Standard_Real& ParSol,
445 Standard_Real& ParArg,
446 gp_Pnt2d& PntSol) const
448 if (!WellDone) { StdFail_NotDone::Raise(); }
449 else if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
452 if (TheSame2(Index) == 0) {
453 ParSol = par2sol(Index);
454 ParArg = pararg2(Index);
455 PntSol = pnttg2sol(Index);
457 else { StdFail_NotDone::Raise(); }
460 if (TheSame1(Index) == 0) {
461 ParSol = par1sol(Index);
462 ParArg = pararg1(Index);
463 PntSol = pnttg1sol(Index);
465 else { StdFail_NotDone::Raise(); }
470 Standard_Boolean Geom2dGcc_Circ2d2TanRad::
471 IsTheSame1 (const Standard_Integer Index) const
473 if (!WellDone) { StdFail_NotDone::Raise(); }
474 if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
476 if (TheSame2(Index) == 0) { return Standard_False; }
477 else { return Standard_True; }
480 if (TheSame1(Index) == 0) { return Standard_False; }
481 else { return Standard_True; }
483 return Standard_True;
486 Standard_Boolean Geom2dGcc_Circ2d2TanRad::
487 IsTheSame2 (const Standard_Integer Index) const
489 if (!WellDone) { StdFail_NotDone::Raise(); }
490 if (Index <= 0 ||Index > NbrSol) { Standard_OutOfRange::Raise(); }
492 if (TheSame2(Index) == 0) { return Standard_False; }
493 else { return Standard_True; }
496 if (TheSame1(Index) == 0) { return Standard_False; }
497 else { return Standard_True; }
499 return Standard_True;