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7fd59977 | 1 | #define No_Standard_OutOfRange |
2 | ||
3 | #include <Adaptor3d_CurveOnSurface.ixx> | |
4 | ||
5 | #include <gp_Pnt2d.hxx> | |
6 | #include <gp_Vec2d.hxx> | |
7 | #include <gp_Ax22d.hxx> | |
8 | #include <gp_Lin2d.hxx> | |
9 | #include <gp_Circ2d.hxx> | |
10 | #include <gp_Elips2d.hxx> | |
11 | #include <gp_Hypr2d.hxx> | |
12 | #include <gp_Parab2d.hxx> | |
13 | #include <Geom_BSplineSurface.hxx> | |
14 | #include <Geom_SurfaceOfRevolution.hxx> | |
15 | #include <Geom_SurfaceOfLinearExtrusion.hxx> | |
16 | #include <Geom_OffsetSurface.hxx> | |
17 | #include <Geom2d_BezierCurve.hxx> | |
18 | #include <Geom2d_BSplineCurve.hxx> | |
19 | #include <Precision.hxx> | |
20 | #include <TColgp_Array1OfPnt2d.hxx> | |
21 | #include <TColgp_Array1OfPnt.hxx> | |
22 | #include <TColStd_Array1OfReal.hxx> | |
23 | #include <TColStd_Array1OfInteger.hxx> | |
24 | #include <Standard_NotImplemented.hxx> | |
25 | #include <Adaptor3d_HCurveOnSurface.hxx> | |
26 | #include <ElCLib.hxx> | |
27 | #include <ElSLib.hxx> | |
28 | #include <Adaptor3d_InterFunc.hxx> | |
29 | #include <math_FunctionRoots.hxx> | |
30 | #include <SortTools_StraightInsertionSortOfReal.hxx> | |
31 | #include <TCollection_CompareOfReal.hxx> | |
32 | #include <ElSLib.hxx> | |
33 | #include <TColStd_SetIteratorOfSetOfReal.hxx> | |
34 | #include <TColStd_SetOfReal.hxx> | |
35 | #include <TColStd_HSetOfReal.hxx> | |
36 | ||
37 | static gp_Pnt to3d(const gp_Pln& Pl, const gp_Pnt2d& P) | |
38 | { | |
39 | return ElSLib::Value(P.X(),P.Y(),Pl); | |
40 | } | |
41 | ||
42 | static gp_Vec to3d(const gp_Pln& Pl, const gp_Vec2d& V) | |
43 | { | |
44 | gp_Vec Vx = Pl.XAxis().Direction(); | |
45 | gp_Vec Vy = Pl.YAxis().Direction(); | |
46 | Vx.Multiply(V.X()); | |
47 | Vy.Multiply(V.Y()); | |
48 | Vx.Add(Vy); | |
49 | return Vx; | |
50 | } | |
51 | ||
52 | static gp_Ax2 to3d(const gp_Pln& Pl, const gp_Ax22d& A) | |
53 | { | |
54 | gp_Pnt P = to3d(Pl,A.Location()); | |
55 | gp_Vec VX = to3d(Pl,A.XAxis().Direction()); | |
56 | gp_Vec VY = to3d(Pl,A.YAxis().Direction()); | |
57 | return gp_Ax2(P,VX.Crossed(VY),VX); | |
58 | } | |
59 | ||
60 | static gp_Circ to3d(const gp_Pln& Pl, const gp_Circ2d& C) | |
61 | { | |
62 | return gp_Circ(to3d(Pl,C.Axis()),C.Radius()); | |
63 | } | |
64 | ||
65 | static gp_Elips to3d(const gp_Pln& Pl, const gp_Elips2d& E) | |
66 | { | |
67 | return gp_Elips(to3d(Pl,E.Axis()),E.MajorRadius(),E.MinorRadius()); | |
68 | } | |
69 | ||
70 | static gp_Hypr to3d(const gp_Pln& Pl, const gp_Hypr2d& H) | |
71 | { | |
72 | return gp_Hypr(to3d(Pl,H.Axis()),H.MajorRadius(),H.MinorRadius()); | |
73 | } | |
74 | ||
75 | static gp_Parab to3d(const gp_Pln& Pl, const gp_Parab2d& P) | |
76 | { | |
77 | return gp_Parab(to3d(Pl,P.Axis()),P.Focal()); | |
78 | } | |
79 | ||
80 | static gp_Vec SetLinearForm(const gp_Vec2d DW, const gp_Vec2d D2W,const gp_Vec2d D3W, | |
81 | const gp_Vec D1U, const gp_Vec D1V, const gp_Vec D2U, | |
82 | const gp_Vec D2V, const gp_Vec D2UV, const gp_Vec D3U, | |
83 | const gp_Vec D3V, const gp_Vec D3UUV,const gp_Vec D3UVV) | |
84 | {gp_Vec V31, V32, V33, V34,V3 ; | |
85 | V31.SetLinearForm(DW.X(),D1U, | |
86 | D2W.X()*DW.X(),D2U, | |
87 | D2W.X()*DW.Y(),D2UV); | |
88 | V31.SetLinearForm(D3W.Y(),D1V, | |
89 | D2W.Y()*DW.X(),D2UV, | |
90 | D2W.Y()*DW.Y(),D2V, | |
91 | V31); | |
92 | V32.SetLinearForm(DW.X()*DW.X()*DW.Y(),D3UUV, | |
93 | DW.X()*DW.Y()*DW.Y(),D3UVV); | |
94 | V32.SetLinearForm(D2W.X()*DW.Y()+DW.X()*D2W.Y(),D2UV, | |
95 | DW.X()*DW.Y()*DW.Y(),D3UVV, | |
96 | V32); | |
97 | V33.SetLinearForm(2*D2W.X()*DW.X(),D2U, | |
98 | DW.X()*DW.X()*DW.X(),D3U, | |
99 | DW.X()*DW.X()*DW.Y(),D3UUV); | |
100 | ||
101 | V34.SetLinearForm(2*D2W.Y()*DW.Y(),D2V, | |
102 | DW.Y()*DW.Y()*DW.X(),D3UVV, | |
103 | DW.Y()*DW.Y()*DW.Y(),D3V); | |
104 | V3.SetLinearForm(1,V31,2,V32,1,V33,V34); | |
105 | return V3; | |
106 | } | |
107 | ||
108 | //======================================================================= | |
109 | static void CompareBounds(gp_Pnt2d& P1, | |
110 | gp_Pnt2d& P2)//SVV | |
111 | { | |
112 | Standard_Real Lx = P1.X(),Ly = P1.Y(); | |
113 | Standard_Real Rx = P2.X(),Ry = P2.Y(); | |
114 | ||
115 | if (Lx > Rx) { P1.SetX(Rx); P2.SetX(Lx);} | |
116 | if (Ly > Ry) { P1.SetY(Ry); P2.SetY(Ly);} | |
117 | } | |
118 | ||
119 | //======================================================================= | |
120 | //function :Hunt | |
121 | //purpose : | |
122 | //======================================================================= | |
123 | static void Hunt(const TColStd_Array1OfReal& Arr, | |
124 | const Standard_Real Coord, | |
125 | Standard_Integer& Iloc) | |
126 | {//Warning: Hunt is used to find number of knot which equals co-ordinate component, | |
127 | // when co-ordinate component definitly equals a knot only. | |
128 | Standard_Real Tol=Precision::PConfusion()/10; | |
129 | Standard_Integer i=1; | |
82ac7cbb | 130 | while((i <= Arr.Upper()) && (Abs(Coord - Arr(i)) > Tol)){ |
7fd59977 | 131 | i++;} |
132 | ||
82ac7cbb | 133 | if(Abs(Coord - Arr(i)) < Tol) |
7fd59977 | 134 | Iloc = i; |
135 | else | |
82ac7cbb S |
136 | if(Abs(Coord - Arr(i)) > Tol) |
137 | Standard_NotImplemented::Raise("Adaptor3d_CurveOnSurface:Hunt"); | |
7fd59977 | 138 | } |
139 | ||
140 | //======================================================================= | |
141 | //function :ReverseParam | |
142 | //purpose : | |
143 | //======================================================================= | |
144 | ||
145 | static void ReverseParam(const Standard_Real In1, | |
146 | const Standard_Real In2, | |
147 | Standard_Real& Out1, | |
148 | Standard_Real& Out2 ) | |
149 | { | |
150 | ||
151 | if(In1>In2) {Out1=In2; | |
152 | Out2=In1;} | |
153 | else {Out1=In1; | |
154 | Out2=In2;} | |
155 | } | |
156 | //======================================================================= | |
157 | //function :ReverseParam | |
158 | //purpose : | |
159 | //======================================================================= | |
160 | ||
161 | static void ReverseParam(const Standard_Integer In1, | |
162 | const Standard_Integer In2, | |
163 | Standard_Integer& Out1, | |
164 | Standard_Integer& Out2 ) | |
165 | { | |
166 | if(In1>In2) {Out1=In2; | |
167 | Out2=In1;} | |
168 | else {Out1=In1; | |
169 | Out2=In2;} | |
170 | } | |
171 | ||
172 | //======================================================================= | |
173 | //function :FindBounds | |
174 | //purpose : | |
175 | //======================================================================= | |
176 | static void FindBounds(const TColStd_Array1OfReal& Arr, | |
177 | const Standard_Real Coord, | |
178 | const Standard_Real Der, | |
179 | Standard_Integer& Bound1, | |
180 | Standard_Integer& Bound2, | |
181 | Standard_Boolean& DerNull) | |
182 | ||
183 | { | |
184 | Standard_Integer N; | |
185 | Standard_Real Tol=Precision::PConfusion()/10; | |
186 | Hunt(Arr,Coord,N); | |
187 | DerNull=Standard_False; | |
188 | ||
189 | if(N==Bound1){ if(Abs(Der) > Tol) DerNull = Standard_False; | |
190 | if(Abs(Der)<= Tol) DerNull = Standard_True; | |
191 | Bound1=N;Bound2=N+1; return; | |
192 | } | |
193 | if(N==Bound2){ if( Abs(Der) > Tol ) DerNull = Standard_False; | |
194 | if( Abs(Der)<= Tol ) DerNull = Standard_True; | |
195 | Bound1=N-1;Bound2=N; return; | |
196 | } | |
197 | if((N!=Bound1)&&(N!=Bound2)) { | |
198 | if(Abs(Der) > Tol ) { | |
199 | if(Der>0) {Bound1=N;Bound2= N+1;} | |
200 | else | |
201 | if(Der<0){Bound1=N-1;Bound2=N;} | |
202 | DerNull = Standard_False; | |
203 | } | |
204 | if(Abs(Der) <=Tol ) { | |
205 | DerNull = Standard_True; | |
206 | Bound1=N-1; | |
207 | Bound2=N+1; | |
208 | } | |
209 | } | |
210 | } | |
211 | ||
212 | //======================================================================= | |
213 | //function :Locate1Coord | |
214 | //purpose : along BSpline curve | |
215 | //======================================================================= | |
216 | ||
217 | static void Locate1Coord(const Standard_Integer Index, | |
218 | const gp_Pnt2d& UV, | |
219 | const gp_Vec2d& DUV, | |
220 | const Handle(Geom_BSplineCurve)& BSplC, | |
221 | gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) | |
222 | { | |
223 | Standard_Real Comp1=0, DComp1=0, cur, f, l; | |
224 | Standard_Real Tol = Precision::PConfusion()/10; | |
225 | Standard_Integer i = 1, Bnd1, Bnd2; | |
226 | Standard_Boolean DIsNull= Standard_False; | |
227 | TColStd_Array1OfReal Arr(1,BSplC->NbKnots()); BSplC->Knots(Arr); | |
228 | ||
229 | if(Index==1) { Comp1=UV.X(); DComp1=DUV.X(); } | |
230 | if(Index==2) { Comp1=UV.Y(); DComp1=DUV.Y(); } | |
231 | ||
232 | Standard_Integer Lo = BSplC->FirstUKnotIndex(), Up = BSplC->LastUKnotIndex(); | |
233 | ||
234 | i = Lo; | |
235 | while ( ( Abs(BSplC->Knot(i)-Comp1)>Tol )&& (i!=Up ) ) i++; | |
236 | cur=BSplC->Knot(i); | |
237 | ||
238 | if( Abs(Comp1-cur)<=Tol) { | |
239 | ||
240 | Bnd1 = Lo; Bnd2 = Up; | |
241 | FindBounds(Arr,cur,DComp1,Bnd1,Bnd2,DIsNull); | |
242 | ReverseParam(Bnd1,Bnd2,Bnd1,Bnd2); | |
243 | ||
244 | if(DIsNull==Standard_False){ | |
245 | if(Index==1) {LeftBot.SetX(BSplC->Knot(Bnd1)); | |
246 | RightTop.SetX(BSplC->Knot(Bnd2));} | |
247 | else | |
248 | if(Index==2){ LeftBot.SetY(BSplC->Knot(Bnd1)); | |
249 | RightTop.SetY(BSplC->Knot(Bnd2)); } | |
250 | } | |
251 | else | |
252 | if(DIsNull==Standard_True){ | |
253 | if( Abs( Comp1-(f=BSplC->Knot(Lo))) <= Tol) | |
254 | { | |
255 | if(Index==1) { LeftBot.SetX(BSplC->Knot(Lo)); | |
256 | RightTop.SetX(BSplC->Knot(Lo+1));} | |
257 | else if(Index==2) { LeftBot.SetY(BSplC->Knot(Lo)); | |
258 | RightTop.SetY(BSplC->Knot(Lo+1));} | |
259 | } else | |
260 | if( Abs( Comp1-(l=BSplC->Knot(Up))) <= Tol) | |
261 | { | |
262 | if(Index==1) { LeftBot.SetX(BSplC->Knot(Up-1)); | |
263 | RightTop.SetX(BSplC->Knot(Up));} | |
264 | else if(Index==2) {LeftBot.SetY(BSplC->Knot(Up-1)); | |
265 | RightTop.SetY(BSplC->Knot(Up));} | |
266 | }else | |
267 | if(Index==1) { LeftBot.SetX(BSplC->Knot(Bnd1)); | |
268 | RightTop.SetX(BSplC->Knot(Bnd2));} | |
269 | else if(Index==2) {LeftBot.SetY(BSplC->Knot(Bnd1)); | |
270 | RightTop.SetY(BSplC->Knot(Bnd2));} | |
271 | } | |
272 | } | |
273 | else//*********if Coord != Knot | |
274 | { | |
275 | i=Lo; | |
276 | while (i < Up) { | |
277 | //if((f=BSplC->Knot(i))<Comp1 && (l=BSplC->Knot(i+1))>Comp1) break; | |
278 | //skl 28.03.2002 for OCC233 | |
279 | f=BSplC->Knot(i); | |
280 | l=BSplC->Knot(i+1); | |
281 | if(f<Comp1 && l>Comp1) break; | |
282 | i++; | |
283 | } | |
284 | ReverseParam(f,l,f,l); | |
285 | ||
286 | if(i!=Up) { | |
287 | if(Abs(DComp1)<Tol) | |
288 | { if(Index==1) {LeftBot.SetX(f); RightTop.SetX(l);}else | |
289 | if(Index==2) {LeftBot.SetY(f); RightTop.SetY(l); } | |
290 | }else | |
291 | if(Abs(DComp1)>Tol) | |
292 | { | |
293 | if(Index==1) { | |
294 | if(DComp1>0) {LeftBot.SetX(Comp1); RightTop.SetX(l);} else | |
295 | if(DComp1<0) {LeftBot.SetX(f); RightTop.SetX(Comp1);} | |
296 | } | |
297 | else | |
298 | if(Index==2) { | |
299 | if(DComp1>0) {LeftBot.SetY(Comp1); RightTop.SetY(l);} else | |
300 | if(DComp1<0) {LeftBot.SetY(f); RightTop.SetY(Comp1);}; | |
301 | } | |
302 | } | |
303 | }else | |
304 | if(i==Up) { | |
305 | if(Index==1) {LeftBot.SetX(Comp1); RightTop.SetX(BSplC->Knot(i));}else | |
306 | if(Index==2) {LeftBot.SetY(Comp1); RightTop.SetY(BSplC->Knot(i)); } | |
307 | } | |
308 | } | |
309 | } | |
310 | ||
311 | ||
312 | //======================================================================= | |
313 | //function :Locate1Coord | |
314 | //purpose : | |
315 | //======================================================================= | |
316 | ||
317 | static void Locate1Coord(const Standard_Integer Index, | |
318 | const gp_Pnt2d& UV, | |
319 | const gp_Vec2d& DUV, | |
320 | const Handle(Geom_BSplineSurface)& BSplS, | |
321 | Standard_Boolean& DIsNull, | |
322 | gp_Pnt2d& LeftBot, | |
323 | gp_Pnt2d& RightTop) | |
324 | { | |
325 | Standard_Real Comp1=0,DComp1=0; | |
326 | Standard_Real Tol = Precision::PConfusion()/10; | |
327 | Standard_Integer i=1, Up=0, Up1, Up2, Down=0, Down1, Down2, Bnd1, Bnd2; | |
328 | Standard_Real cur=0, f, l; | |
329 | ||
330 | DIsNull= Standard_False; | |
331 | ||
332 | Up1 = BSplS->LastUKnotIndex(); | |
333 | Down1 = BSplS->FirstUKnotIndex(); | |
334 | Up2 = BSplS->LastVKnotIndex(); | |
335 | Down2 = BSplS->FirstVKnotIndex(); | |
336 | ||
337 | ||
338 | if(Index==1){ i = Down1; Comp1 = UV.X(); DComp1= DUV.X(); Up=Up1; Down=Down1; | |
339 | while ( ( Abs(BSplS->UKnot(i)-Comp1)>Tol )&&(i!=Up1 ) ) i++; | |
340 | cur = BSplS->UKnot(i); | |
341 | } else | |
342 | if(Index==2) { i = Down2; Comp1 = UV.Y(); DComp1=DUV.Y(); Up=Up2; Down=Down2; | |
343 | while ( ( Abs(BSplS->VKnot(i)-Comp1)>Tol )&&(i!=Up2 ) ) i++; | |
344 | cur = BSplS->VKnot(i); | |
345 | } | |
346 | ||
347 | if( Abs(Comp1-cur)<=Tol ) | |
348 | { | |
349 | Bnd1 = Down; Bnd2 = Up; | |
350 | if(Index==1) { | |
351 | TColStd_Array1OfReal Arr1(1,BSplS->NbUKnots()); | |
352 | BSplS->UKnots(Arr1); // Up1=Arr1.Upper(); Down1=Arr1.Lower(); | |
353 | FindBounds(Arr1,cur,DUV.X(),Bnd1,Bnd2,DIsNull); | |
354 | } | |
355 | else if(Index==2) { | |
356 | TColStd_Array1OfReal Arr2(1,BSplS->NbVKnots()); | |
357 | BSplS->VKnots(Arr2); // Up2=Arr2.Upper(); Down2=Arr2.Lower(); | |
358 | FindBounds(Arr2,cur,DUV.Y(),Bnd1,Bnd2,DIsNull); | |
359 | } | |
360 | ||
361 | ReverseParam(Bnd1,Bnd2,Bnd1,Bnd2); | |
362 | ||
363 | if(DIsNull==Standard_False){ | |
364 | if(Index==1) {LeftBot.SetX(BSplS->UKnot(Bnd1)); | |
365 | RightTop.SetX(BSplS->UKnot(Bnd2));} | |
366 | else | |
367 | if(Index==2){ LeftBot.SetY(BSplS->VKnot(Bnd1)); | |
368 | RightTop.SetY(BSplS->VKnot(Bnd2)); | |
369 | } | |
370 | } | |
371 | } | |
372 | else//*********if Coord != Knot | |
373 | { | |
374 | if( (Index==1)&&(Comp1 < BSplS->UKnot(Down)) ) | |
375 | { LeftBot.SetX(BSplS->UKnot(Down)); | |
376 | RightTop.SetX( BSplS->UKnot(Down + 1) ); | |
377 | return; } | |
378 | else | |
379 | if( (Index==2)&&(Comp1 < BSplS->VKnot(Down)) ) | |
380 | { LeftBot.SetY(BSplS->VKnot(Down)); | |
381 | RightTop.SetY( BSplS->VKnot(Down + 1) ); | |
382 | return; } | |
383 | else | |
384 | if( (Index==1)&&(Comp1 > BSplS->UKnot(Up)) ) | |
385 | { RightTop.SetX(BSplS->UKnot(Up - 1)); | |
386 | LeftBot.SetX( BSplS->UKnot(Up) ); | |
387 | return; } | |
388 | else | |
389 | if( (Index==2)&&(Comp1 > BSplS->VKnot(Up)) ) | |
390 | { RightTop.SetY(BSplS->VKnot(Up - 1)); | |
391 | LeftBot.SetY( BSplS->VKnot(Up) ); | |
392 | return; } | |
393 | else | |
394 | { i = Down; | |
395 | if( (Index==1)&&(!(Comp1 < BSplS->UKnot(Down)))&&(!(Comp1 > BSplS->UKnot(Up))) ) | |
396 | while (!( ((f=BSplS->UKnot(i)) < Comp1)&&((l=BSplS->UKnot(i+1)) > Comp1)) && (i<Up)) i++; | |
397 | else | |
398 | if( (Index==2)&&(!(Comp1 < BSplS->VKnot(Down)))&&(!(Comp1 > BSplS->VKnot(Up))) ) | |
399 | while (!(((f=BSplS->VKnot(i)) < Comp1)&&((l=BSplS->VKnot(i+1)) > Comp1)) && (i<Up)) i++; | |
400 | else | |
401 | ReverseParam(f,l,f,l); | |
402 | ||
403 | if(i!=Up){ | |
404 | if(Abs(DComp1)>Tol) | |
405 | {if(Index==1) { | |
406 | if(DComp1>0){ LeftBot.SetX(Comp1); RightTop.SetX(l);}else | |
407 | if(DComp1<0){LeftBot.SetX(f); RightTop.SetX(Comp1);} | |
408 | }else | |
409 | if(Index==2) { | |
410 | if(DComp1>0){ LeftBot.SetY(Comp1); RightTop.SetY(l);}else | |
411 | if(DComp1<0){ LeftBot.SetY(f); RightTop.SetY(Comp1);} | |
412 | } | |
413 | } | |
414 | else | |
415 | { | |
416 | if(Abs(DComp1)<Tol) | |
417 | {if(Index==1){LeftBot.SetX(f); RightTop.SetX(l);} else | |
418 | if(Index==2) { LeftBot.SetY(f); RightTop.SetY(l);} | |
419 | } | |
420 | } | |
421 | }else | |
422 | if(i==Up){if(Index==1){LeftBot.SetX(Comp1); RightTop.SetX(BSplS->UKnot(i));} else | |
423 | if(Index==2) { LeftBot.SetY(Comp1); RightTop.SetY(BSplS->VKnot(i));} | |
424 | } | |
425 | } | |
426 | } | |
427 | } | |
428 | //======================================================================= | |
429 | //function :Locate2Coord | |
430 | //purpose : along non-BSpline curve | |
431 | //======================================================================= | |
432 | ||
433 | ||
434 | static void Locate2Coord(const Standard_Integer Index, | |
435 | const gp_Pnt2d& UV, const gp_Vec2d& DUV, | |
436 | const Standard_Real I1, | |
437 | const Standard_Real I2, | |
438 | gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) | |
439 | { | |
440 | Standard_Real Tol=Precision::PConfusion()/10; | |
441 | Standard_Real Comp1=0,DComp1=0; | |
442 | Standard_Boolean DIsNull = Standard_False; | |
443 | if(Index==1) { Comp1=UV.X(); | |
444 | DComp1=DUV.X();} | |
445 | else | |
446 | if(Index==2) {Comp1=UV.Y(); | |
447 | DComp1=DUV.Y();} | |
448 | ||
449 | if((Comp1!=I1)&&(Comp1!=I2)) | |
450 | { if(Abs(DComp1) > Tol) | |
451 | { if(DComp1 < 0) | |
452 | { if(Index==1) { LeftBot.SetX(I1); | |
453 | RightTop.SetX(Comp1);} | |
454 | if(Index==2) { LeftBot.SetY(I1); | |
455 | RightTop.SetY(Comp1);} | |
456 | } | |
457 | else | |
458 | if(DComp1 > 0) | |
459 | { if(Index==1) { LeftBot.SetX(Comp1); | |
460 | RightTop.SetX(I2);} | |
461 | if(Index==2) { LeftBot.SetY(Comp1); | |
462 | RightTop.SetY(I2);} | |
463 | } | |
464 | else { if(Index==1) { LeftBot.SetX(I1); | |
465 | RightTop.SetX(I2);} | |
466 | if(Index==2) { LeftBot.SetY(I1); | |
467 | RightTop.SetY(I2);} | |
468 | } | |
469 | DIsNull=Standard_False; | |
470 | } | |
471 | else | |
472 | if(Abs(DComp1)<=Tol) { DIsNull = Standard_True; | |
473 | if(Index==1) { LeftBot.SetX(I1) ; | |
474 | RightTop.SetX(I2);} | |
475 | if(Index==2) { LeftBot.SetY(I1) ; | |
476 | RightTop.SetY(I2);} | |
477 | } | |
478 | }else | |
479 | if(Abs(Comp1-I1)<Tol) | |
480 | { if(Index==1) { LeftBot.SetX(I1) ; | |
481 | RightTop.SetX(I2);} | |
482 | if(Index==2) { LeftBot.SetY(I1) ; | |
483 | RightTop.SetY(I2);} | |
484 | } | |
485 | else | |
486 | if(Abs(Comp1-I2)<Tol) | |
487 | { if(Index==1) { LeftBot.SetX(I1); | |
488 | RightTop.SetX(I2);} | |
489 | if(Index==2) { LeftBot.SetY(I1); | |
490 | RightTop.SetY(I2);} | |
491 | } | |
492 | } | |
493 | ||
494 | //======================================================================= | |
495 | //function :Locate2Coord | |
496 | //purpose : | |
497 | //======================================================================= | |
498 | ||
499 | static void Locate2Coord(const Standard_Integer Index, | |
500 | const gp_Pnt2d& UV, const gp_Vec2d& DUV, | |
501 | const Handle(Geom_BSplineSurface)& BSplS, | |
502 | const TColStd_Array1OfReal& Arr, | |
503 | gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) | |
504 | { | |
505 | Standard_Real Comp=0,DComp=0,Tmp1,Tmp2; | |
506 | Standard_Real Tol=Precision::PConfusion()/10; | |
507 | Standard_Integer N, NUp=0, NLo=0; | |
508 | if(Index==1) | |
509 | { Comp=UV.X(); | |
510 | DComp=DUV.Y(); | |
511 | NUp = BSplS->LastUKnotIndex(); | |
512 | NLo = BSplS->FirstUKnotIndex(); | |
513 | } | |
514 | if(Index==2) | |
515 | { Comp=UV.Y(); | |
516 | DComp=DUV.X(); | |
517 | NUp = BSplS->LastVKnotIndex(); | |
518 | NLo = BSplS->FirstVKnotIndex(); | |
519 | } | |
520 | ||
521 | if((DComp > 0)&&(Abs(DComp)>Tol)) { | |
522 | Hunt(Arr,Comp,N); | |
523 | if (N >= NUp){ | |
524 | //limit case: Hunt() cought upper knot. Take the last span. | |
525 | N = NUp - 1; | |
526 | } | |
527 | if(Index==1) { Tmp1=BSplS->UKnot(N); | |
528 | Tmp2=BSplS->UKnot(N+1);} | |
529 | else | |
530 | if(Index==2) { Tmp1=BSplS->VKnot(N); | |
531 | Tmp2=BSplS->VKnot(N+1);} | |
532 | ||
533 | ReverseParam(Tmp1,Tmp2,Tmp1,Tmp2); | |
534 | ||
535 | if(Index==1) { LeftBot.SetX(Tmp1); | |
536 | RightTop.SetX(Tmp2);} | |
537 | else | |
538 | if(Index==2) { LeftBot.SetY(Tmp1); | |
539 | RightTop.SetY(Tmp2);} | |
540 | } | |
541 | else | |
542 | if((DComp < 0)&&(Abs(DComp)>Tol)){ | |
543 | Hunt(Arr,Comp,N); | |
544 | if (N <= NLo) { | |
545 | //limit case: Hunt() cought lower knot. Take the first span. | |
546 | N = NLo + 1; | |
547 | } | |
548 | if(Index==1) { Tmp1=BSplS->UKnot(N-1); | |
549 | Tmp2=BSplS->UKnot(N);} | |
550 | else | |
551 | if(Index==2) { Tmp1=BSplS->VKnot(N-1); | |
552 | Tmp2=BSplS->VKnot(N);} | |
553 | ||
554 | ReverseParam(Tmp1,Tmp2,Tmp1,Tmp2); | |
555 | ||
556 | if(Index==1) { LeftBot.SetX(Tmp1); | |
557 | RightTop.SetX(Tmp2);} | |
558 | else | |
559 | if(Index==2) { LeftBot.SetY(Tmp1); | |
560 | RightTop.SetY(Tmp2);} | |
561 | } | |
562 | } | |
563 | ||
564 | ||
565 | ||
566 | //======================================================================= | |
567 | //function : Adaptor3d_CurveOnSurface | |
568 | //purpose : | |
569 | //======================================================================= | |
570 | ||
571 | Adaptor3d_CurveOnSurface::Adaptor3d_CurveOnSurface() | |
572 | : myType(GeomAbs_OtherCurve), myIntCont(GeomAbs_CN) | |
573 | {} | |
574 | ||
575 | //======================================================================= | |
576 | //function : Adaptor3d_CurveOnSurface | |
577 | //purpose : | |
578 | //======================================================================= | |
579 | ||
580 | Adaptor3d_CurveOnSurface::Adaptor3d_CurveOnSurface | |
581 | (const Handle(Adaptor3d_HSurface)& S) | |
582 | : myType(GeomAbs_OtherCurve), myIntCont(GeomAbs_CN) | |
583 | { | |
584 | Load(S); | |
585 | } | |
586 | ||
587 | //======================================================================= | |
588 | //function : Adaptor3d_CurveOnSurface | |
589 | //purpose : | |
590 | //======================================================================= | |
591 | ||
592 | Adaptor3d_CurveOnSurface::Adaptor3d_CurveOnSurface | |
593 | (const Handle(Adaptor2d_HCurve2d)& C, | |
594 | const Handle(Adaptor3d_HSurface)& S) | |
595 | : myType(GeomAbs_OtherCurve), myIntCont(GeomAbs_CN) | |
596 | { | |
597 | Load(S); | |
598 | Load(C); | |
599 | } | |
600 | ||
601 | //======================================================================= | |
602 | //function : Load | |
603 | //purpose : | |
604 | //======================================================================= | |
605 | ||
606 | void Adaptor3d_CurveOnSurface::Load(const Handle(Adaptor3d_HSurface)& S) | |
607 | { | |
608 | mySurface = S; | |
609 | if (!myCurve.IsNull()) EvalKPart(); | |
610 | } | |
611 | ||
612 | //======================================================================= | |
613 | //function : Load | |
614 | //purpose : | |
615 | //======================================================================= | |
616 | ||
617 | void Adaptor3d_CurveOnSurface::Load(const Handle(Adaptor2d_HCurve2d)& C) | |
618 | { | |
619 | myCurve = C; | |
620 | if (!mySurface.IsNull()) | |
621 | { | |
622 | EvalKPart(); | |
623 | GeomAbs_SurfaceType SType ; | |
624 | SType = mySurface->GetType(); | |
625 | if( SType == GeomAbs_BSplineSurface) | |
626 | EvalFirstLastSurf(); | |
627 | if( SType == GeomAbs_SurfaceOfExtrusion) | |
628 | EvalFirstLastSurf(); | |
629 | if( SType == GeomAbs_SurfaceOfRevolution) | |
630 | EvalFirstLastSurf(); | |
631 | if( SType == GeomAbs_OffsetSurface) { | |
632 | SType = mySurface->BasisSurface()->GetType(); | |
633 | if( SType == GeomAbs_SurfaceOfRevolution || | |
634 | SType == GeomAbs_SurfaceOfExtrusion || | |
635 | SType == GeomAbs_BSplineSurface ) | |
636 | EvalFirstLastSurf(); | |
637 | } | |
638 | } | |
639 | } | |
640 | ||
641 | //======================================================================= | |
642 | //function : FirstParameter | |
643 | //purpose : | |
644 | //======================================================================= | |
645 | ||
646 | Standard_Real Adaptor3d_CurveOnSurface::FirstParameter() const | |
647 | { | |
648 | return myCurve->FirstParameter(); | |
649 | } | |
650 | ||
651 | //======================================================================= | |
652 | //function : LastParameter | |
653 | //purpose : | |
654 | //======================================================================= | |
655 | ||
656 | Standard_Real Adaptor3d_CurveOnSurface::LastParameter() const | |
657 | { | |
658 | return myCurve->LastParameter(); | |
659 | } | |
660 | ||
661 | //======================================================================= | |
662 | //function : Continuity | |
663 | //purpose : | |
664 | //======================================================================= | |
665 | ||
666 | GeomAbs_Shape Adaptor3d_CurveOnSurface::Continuity() const | |
667 | { | |
668 | GeomAbs_Shape ContC = myCurve->Continuity(); | |
669 | GeomAbs_Shape ContSu = mySurface->UContinuity(); | |
670 | if ( ContSu < ContC) ContC = ContSu; | |
671 | GeomAbs_Shape ContSv = mySurface->VContinuity(); | |
672 | if ( ContSv < ContC) ContC = ContSv; | |
673 | ||
674 | return ContC; | |
675 | } | |
676 | ||
677 | //======================================================================= | |
678 | //function : NbIntervals | |
679 | //purpose : | |
680 | //======================================================================= | |
681 | ||
682 | Standard_Integer Adaptor3d_CurveOnSurface::NbIntervals | |
683 | (const GeomAbs_Shape S) | |
684 | { | |
685 | if(S == myIntCont && !myIntervals.IsNull()) | |
686 | return myIntervals->Length()-1; | |
687 | ||
688 | Standard_Integer nu,nv,nc,i; | |
689 | nu=mySurface->NbUIntervals(S); | |
690 | nv=mySurface->NbVIntervals(S); | |
691 | Handle(TColStd_HSetOfReal) tmpIntervals = new TColStd_HSetOfReal; | |
692 | TColStd_SetIteratorOfSetOfReal It; | |
693 | TColStd_Array1OfReal TabU(1,nu+1); | |
694 | TColStd_Array1OfReal TabV(1,nv+1); | |
695 | Standard_Integer NbSample = 20; | |
696 | Standard_Real U,V,Tdeb,Tfin; | |
697 | Tdeb=myCurve->FirstParameter(); | |
698 | Tfin=myCurve->LastParameter(); | |
699 | nc=myCurve->NbIntervals(S); | |
700 | TColStd_Array1OfReal TabC(1,nc+1); | |
701 | myCurve->Intervals(TabC,S); | |
702 | Standard_Real Tol= Precision::PConfusion()/10; | |
703 | for (i=1;i<=nc+1;i++) | |
704 | {tmpIntervals->Add(TabC(i));} | |
705 | ||
706 | Standard_Integer nbpoint=nc+1; | |
707 | if (nu>1) | |
708 | { mySurface->UIntervals(TabU,S); | |
709 | for(Standard_Integer iu = 2;iu <= nu; iu++) | |
710 | { U = TabU.Value(iu); | |
711 | Adaptor3d_InterFunc Func(myCurve,U,1); | |
712 | math_FunctionRoots Resol(Func,Tdeb,Tfin,NbSample,Tol,Tol,Tol,0.); | |
713 | if (Resol.IsDone()) | |
714 | { if (!Resol.IsAllNull()) | |
715 | { Standard_Integer nsol=Resol.NbSolutions(); | |
716 | for ( i=1;i<=nsol;i++) | |
717 | { Standard_Real param =Resol.Value(i); | |
718 | { Standard_Boolean insere=Standard_True; | |
719 | for (It.Initialize(tmpIntervals->Set());It.More();It.Next()) | |
720 | { if (Abs(param- It.Value())<=Tol) | |
721 | insere=Standard_False;} | |
722 | if (insere) | |
723 | {nbpoint++; | |
724 | tmpIntervals->Add(param);} | |
725 | } | |
726 | } | |
727 | } | |
728 | } | |
729 | } | |
730 | } | |
731 | if (nv>1) | |
732 | ||
733 | { mySurface->VIntervals(TabV,S); | |
734 | for(Standard_Integer iv = 2;iv <= nv; iv++) | |
735 | { V = TabV.Value(iv); | |
736 | Adaptor3d_InterFunc Func(myCurve,V,2); | |
737 | math_FunctionRoots Resol(Func,Tdeb,Tfin,NbSample,Tol,Tol,Tol,0.); | |
738 | if (Resol.IsDone()) | |
739 | { if (!Resol.IsAllNull()) | |
740 | { Standard_Integer nsol=Resol.NbSolutions(); | |
741 | for ( i=1;i<=nsol;i++) | |
742 | { Standard_Real param =Resol.Value(i); | |
743 | { Standard_Boolean insere=Standard_True; | |
744 | for (It.Initialize(tmpIntervals->Set());It.More();It.Next()) | |
745 | { if (Abs(param- It.Value())<=Tol) | |
746 | insere=Standard_False;} | |
747 | if (insere) | |
748 | {nbpoint++; | |
749 | tmpIntervals->Add(param);} | |
750 | } | |
751 | } | |
752 | } | |
753 | } | |
754 | } | |
755 | } | |
756 | ||
757 | // for case intervals==1 and first point == last point SetOfReal | |
758 | // contains only one value, therefore it is necessary to add second | |
759 | // value into myIntervals which will be equal first value. | |
760 | myIntervals = new TColStd_HArray1OfReal(1,nbpoint); | |
761 | i=0; | |
762 | for (It.Initialize(tmpIntervals->Set());It.More();It.Next(),i) | |
763 | { i++; | |
764 | myIntervals->SetValue(i,It.Value()); | |
765 | } | |
766 | if( i==1 ) | |
767 | myIntervals->SetValue(2,myIntervals->Value(1)); | |
768 | ||
769 | myIntCont = S; | |
770 | return nbpoint-1; | |
771 | } | |
772 | ||
773 | //======================================================================= | |
774 | //function : Intervals | |
775 | //purpose : | |
776 | //======================================================================= | |
777 | ||
778 | void Adaptor3d_CurveOnSurface::Intervals(TColStd_Array1OfReal& T, | |
779 | const GeomAbs_Shape S) | |
780 | { | |
781 | NbIntervals(S); | |
782 | for(Standard_Integer i=1; i<=myIntervals->Length(); i++) { | |
783 | T(i) = myIntervals->Value(i); | |
784 | } | |
785 | TCollection_CompareOfReal comp; | |
786 | SortTools_StraightInsertionSortOfReal::Sort(T,comp); | |
787 | } | |
788 | ||
789 | //======================================================================= | |
790 | //function : Trim | |
791 | //purpose : | |
792 | //======================================================================= | |
793 | ||
794 | Handle(Adaptor3d_HCurve) Adaptor3d_CurveOnSurface::Trim | |
795 | (const Standard_Real First, | |
796 | const Standard_Real Last, | |
797 | const Standard_Real Tol) const | |
798 | { | |
799 | Handle(Adaptor3d_HCurveOnSurface) HCS = new Adaptor3d_HCurveOnSurface(); | |
800 | HCS->ChangeCurve().Load(mySurface); | |
801 | HCS->ChangeCurve().Load(myCurve->Trim(First,Last,Tol)); | |
802 | return HCS; | |
803 | } | |
804 | ||
805 | //======================================================================= | |
806 | //function : IsClosed | |
807 | //purpose : | |
808 | //======================================================================= | |
809 | ||
810 | Standard_Boolean Adaptor3d_CurveOnSurface::IsClosed() const | |
811 | { | |
812 | return myCurve->IsClosed(); | |
813 | } | |
814 | ||
815 | //======================================================================= | |
816 | //function : IsPeriodic | |
817 | //purpose : | |
818 | //======================================================================= | |
819 | ||
820 | Standard_Boolean Adaptor3d_CurveOnSurface::IsPeriodic() const | |
821 | { | |
822 | return myCurve->IsPeriodic(); | |
823 | } | |
824 | ||
825 | //======================================================================= | |
826 | //function : Period | |
827 | //purpose : | |
828 | //======================================================================= | |
829 | ||
830 | Standard_Real Adaptor3d_CurveOnSurface::Period() const | |
831 | { | |
832 | return myCurve->Period(); | |
833 | } | |
834 | ||
835 | //======================================================================= | |
836 | //function : Value | |
837 | //purpose : | |
838 | //======================================================================= | |
839 | ||
840 | gp_Pnt Adaptor3d_CurveOnSurface::Value(const Standard_Real U ) const | |
841 | { | |
842 | gp_Pnt P; | |
843 | gp_Pnt2d Puv; | |
844 | ||
845 | if (myType == GeomAbs_Line ) P = ElCLib::Value(U,myLin ); | |
846 | else if (myType == GeomAbs_Circle) P = ElCLib::Value(U,myCirc); | |
847 | else { | |
848 | myCurve->D0(U,Puv); | |
849 | mySurface->D0(Puv.X(),Puv.Y(),P); | |
850 | } | |
851 | ||
852 | return P; | |
853 | } | |
854 | ||
855 | //======================================================================= | |
856 | //function : D0 | |
857 | //purpose : | |
858 | //======================================================================= | |
859 | ||
860 | void Adaptor3d_CurveOnSurface::D0(const Standard_Real U , | |
861 | gp_Pnt& P) const | |
862 | { | |
863 | gp_Pnt2d Puv; | |
864 | ||
865 | if (myType == GeomAbs_Line ) P = ElCLib::Value(U,myLin ); | |
866 | else if (myType == GeomAbs_Circle) P = ElCLib::Value(U,myCirc); | |
867 | else { | |
868 | myCurve->D0(U,Puv); | |
869 | mySurface->D0(Puv.X(),Puv.Y(),P); | |
870 | } | |
871 | ||
872 | } | |
873 | ||
874 | ||
875 | //======================================================================= | |
876 | //function : D1 | |
877 | //purpose : | |
878 | //======================================================================= | |
879 | ||
880 | void Adaptor3d_CurveOnSurface::D1(const Standard_Real U , | |
881 | gp_Pnt& P, | |
882 | gp_Vec& V) const | |
883 | { | |
884 | gp_Pnt2d Puv; | |
885 | gp_Vec2d Duv; | |
886 | gp_Vec D1U,D1V; | |
887 | ||
888 | Standard_Real FP = myCurve->FirstParameter(); | |
889 | Standard_Real LP = myCurve->LastParameter(); | |
890 | ||
891 | Standard_Real Tol= Precision::PConfusion()/10; | |
892 | if( ( Abs(U-FP)<Tol)&&(!myFirstSurf.IsNull()) ) | |
893 | { | |
894 | myCurve->D1(U,Puv,Duv); | |
895 | myFirstSurf->D1(Puv.X(),Puv.Y(),P,D1U,D1V); | |
896 | V.SetLinearForm(Duv.X(),D1U,Duv.Y(),D1V); | |
897 | } | |
898 | else | |
899 | if( (Abs(U-LP)<Tol)&&(!myLastSurf.IsNull()) ) | |
900 | { | |
901 | myCurve->D1(U,Puv,Duv); | |
902 | myLastSurf->D1(Puv.X(),Puv.Y(),P,D1U,D1V); | |
903 | V.SetLinearForm(Duv.X(),D1U,Duv.Y(),D1V); | |
904 | } | |
905 | else | |
906 | if (myType == GeomAbs_Line ) ElCLib::D1(U,myLin ,P,V); | |
907 | else if (myType == GeomAbs_Circle) ElCLib::D1(U,myCirc,P,V); | |
908 | else { | |
909 | myCurve->D1(U,Puv,Duv); | |
910 | mySurface->D1(Puv.X(),Puv.Y(),P,D1U,D1V); | |
911 | V.SetLinearForm(Duv.X(),D1U,Duv.Y(),D1V); | |
912 | } | |
913 | } | |
914 | //======================================================================= | |
915 | //function : D2 | |
916 | //purpose : | |
917 | //======================================================================= | |
918 | ||
919 | void Adaptor3d_CurveOnSurface::D2(const Standard_Real U, | |
920 | gp_Pnt& P, | |
921 | gp_Vec& V1, | |
922 | gp_Vec& V2) const | |
923 | { | |
924 | gp_Pnt2d UV; | |
925 | gp_Vec2d DW,D2W; | |
926 | gp_Vec D1U,D1V,D2U,D2V,D2UV; | |
927 | ||
928 | Standard_Real FP = myCurve->FirstParameter(); | |
929 | Standard_Real LP = myCurve->LastParameter(); | |
930 | ||
931 | Standard_Real Tol= Precision::PConfusion()/10; | |
932 | if( (Abs(U-FP)<Tol)&&(!myFirstSurf.IsNull()) ) | |
933 | { | |
934 | myCurve->D2(U,UV,DW,D2W); | |
935 | myFirstSurf->D2(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV); | |
936 | ||
937 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
938 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
939 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
940 | } | |
941 | else | |
942 | if( (Abs(U-LP)<Tol)&&(!myLastSurf.IsNull()) ) | |
943 | { | |
944 | myCurve->D2(U,UV,DW,D2W); | |
945 | myLastSurf->D2(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV); | |
946 | ||
947 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
948 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
949 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
950 | } | |
951 | else | |
952 | if (myType == GeomAbs_Line ) { | |
953 | ElCLib::D1(U,myLin,P,V1); | |
954 | V2.SetCoord(0.,0.,0.); | |
955 | } | |
956 | else if (myType == GeomAbs_Circle) ElCLib::D2(U,myCirc,P,V1,V2); | |
957 | else { | |
958 | myCurve->D2(U,UV,DW,D2W); | |
959 | mySurface->D2(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV); | |
960 | ||
961 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
962 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
963 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
964 | } | |
965 | } | |
966 | ||
967 | //======================================================================= | |
968 | //function : D3 | |
969 | //purpose : | |
970 | //======================================================================= | |
971 | ||
972 | void Adaptor3d_CurveOnSurface::D3 | |
973 | (const Standard_Real U, | |
974 | gp_Pnt& P, | |
975 | gp_Vec& V1, | |
976 | gp_Vec& V2, | |
977 | gp_Vec& V3) const | |
978 | { | |
979 | ||
980 | Standard_Real Tol= Precision::PConfusion()/10; | |
981 | gp_Pnt2d UV; | |
982 | gp_Vec2d DW,D2W,D3W; | |
983 | gp_Vec D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV; | |
984 | ||
985 | Standard_Real FP = myCurve->FirstParameter(); | |
986 | Standard_Real LP = myCurve->LastParameter(); | |
987 | ||
988 | if( (Abs(U-FP)<Tol)&&(!myFirstSurf.IsNull()) ) | |
989 | { myCurve->D3(U,UV,DW,D2W,D3W); | |
990 | myFirstSurf->D3(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV); | |
991 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
992 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
993 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
994 | V3=SetLinearForm( DW, D2W, D3W, D1U, D1V, D2U, D2V, D2UV, D3U, D3V, D3UUV, D3UVV); | |
995 | }else | |
996 | ||
997 | if( (Abs(U-LP)<Tol)&&(!myLastSurf.IsNull()) ) | |
998 | { myCurve->D3(U,UV,DW,D2W,D3W); | |
999 | myLastSurf->D3(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV); | |
1000 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
1001 | ||
1002 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
1003 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
1004 | V3=SetLinearForm( DW, D2W, D3W, D1U, D1V, D2U, D2V, D2UV, D3U, D3V, D3UUV, D3UVV); | |
1005 | } | |
1006 | else | |
1007 | if (myType == GeomAbs_Line ) { | |
1008 | ElCLib::D1(U,myLin,P,V1); | |
1009 | V2.SetCoord(0.,0.,0.); | |
1010 | V3.SetCoord(0.,0.,0.); | |
1011 | } | |
1012 | else if (myType == GeomAbs_Circle) ElCLib::D3(U,myCirc,P,V1,V2,V3); | |
1013 | else { | |
1014 | myCurve->D3(U,UV,DW,D2W,D3W); | |
1015 | mySurface->D3(UV.X(),UV.Y(),P,D1U,D1V,D2U,D2V,D2UV,D3U,D3V,D3UUV,D3UVV); | |
1016 | V1.SetLinearForm(DW.X(),D1U,DW.Y(),D1V); | |
1017 | ||
1018 | V2.SetLinearForm(D2W.X(), D1U, D2W.Y(), D1V, 2.*DW.X()*DW.Y(),D2UV); | |
1019 | V2.SetLinearForm(DW.X()*DW.X(), D2U, DW.Y()*DW.Y(), D2V, V2); | |
1020 | V3=SetLinearForm( DW, D2W, D3W, D1U, D1V, D2U, D2V, D2UV, D3U, D3V, D3UUV, D3UVV); | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | ||
1025 | //======================================================================= | |
1026 | //function : DN | |
1027 | //purpose : | |
1028 | //======================================================================= | |
1029 | ||
1030 | gp_Vec Adaptor3d_CurveOnSurface::DN | |
1031 | (const Standard_Real U, | |
1032 | const Standard_Integer N) const | |
1033 | { | |
1034 | gp_Pnt P; | |
1035 | gp_Vec V1, V2, V; | |
1036 | switch (N) { | |
1037 | case 1: | |
1038 | D1(U,P,V); | |
1039 | break ; | |
1040 | case 2: | |
1041 | D2(U,P,V1,V); | |
1042 | break ; | |
1043 | case 3: | |
1044 | D3(U,P,V1,V2,V); | |
1045 | break ; | |
1046 | default: | |
1047 | Standard_NotImplemented::Raise("Adaptor3d_CurveOnSurface:DN"); | |
1048 | break; | |
1049 | } | |
1050 | return V; | |
1051 | } | |
1052 | ||
1053 | ||
1054 | //======================================================================= | |
1055 | //function : Resolution | |
1056 | //purpose : | |
1057 | //======================================================================= | |
1058 | ||
1059 | Standard_Real Adaptor3d_CurveOnSurface::Resolution | |
1060 | (const Standard_Real R3d) const | |
1061 | { | |
1062 | Standard_Real ru,rv; | |
1063 | ru = mySurface->UResolution(R3d); | |
1064 | rv = mySurface->VResolution(R3d); | |
1065 | return myCurve->Resolution(Min(ru,rv)); | |
1066 | } | |
1067 | ||
1068 | ||
1069 | //======================================================================= | |
1070 | //function : GetType | |
1071 | //purpose : | |
1072 | //======================================================================= | |
1073 | ||
1074 | GeomAbs_CurveType Adaptor3d_CurveOnSurface::GetType() const | |
1075 | { | |
1076 | return myType; | |
1077 | } | |
1078 | ||
1079 | ||
1080 | //======================================================================= | |
1081 | //function : Line | |
1082 | //purpose : | |
1083 | //======================================================================= | |
1084 | ||
1085 | gp_Lin Adaptor3d_CurveOnSurface::Line() const | |
1086 | { | |
1087 | Standard_NoSuchObject_Raise_if(myType != GeomAbs_Line, "Adaptor3d_CurveOnSurface::Line(): curve is not a line") | |
1088 | return myLin; | |
1089 | } | |
1090 | ||
1091 | //======================================================================= | |
1092 | //function : Circle | |
1093 | //purpose : | |
1094 | //======================================================================= | |
1095 | ||
1096 | gp_Circ Adaptor3d_CurveOnSurface::Circle() const | |
1097 | { | |
1098 | Standard_NoSuchObject_Raise_if(myType != GeomAbs_Circle, "Adaptor3d_CurveOnSurface::Line(): curve is not a circle") | |
1099 | return myCirc; | |
1100 | } | |
1101 | ||
1102 | //======================================================================= | |
1103 | //function : Ellipse | |
1104 | //purpose : | |
1105 | //======================================================================= | |
1106 | ||
1107 | gp_Elips Adaptor3d_CurveOnSurface::Ellipse() const | |
1108 | { | |
1109 | return to3d(mySurface->Plane(),myCurve->Ellipse()); | |
1110 | } | |
1111 | ||
1112 | //======================================================================= | |
1113 | //function : Hyperbola | |
1114 | //purpose : | |
1115 | //======================================================================= | |
1116 | ||
1117 | gp_Hypr Adaptor3d_CurveOnSurface::Hyperbola() const | |
1118 | { | |
1119 | return to3d(mySurface->Plane(),myCurve->Hyperbola()); | |
1120 | } | |
1121 | ||
1122 | //======================================================================= | |
1123 | //function : Parabola | |
1124 | //purpose : | |
1125 | //======================================================================= | |
1126 | ||
1127 | gp_Parab Adaptor3d_CurveOnSurface::Parabola() const | |
1128 | { | |
1129 | return to3d(mySurface->Plane(),myCurve->Parabola()); | |
1130 | } | |
1131 | ||
1132 | Standard_Integer Adaptor3d_CurveOnSurface::Degree() const | |
1133 | { | |
1134 | ||
1135 | // on a parametric surface should multiply | |
1136 | // return TheCurve2dTool::Degree(myCurve); | |
1137 | ||
1138 | return myCurve->Degree(); | |
1139 | } | |
1140 | ||
1141 | //======================================================================= | |
1142 | //function : IsRational | |
1143 | //purpose : | |
1144 | //======================================================================= | |
1145 | ||
1146 | Standard_Boolean Adaptor3d_CurveOnSurface::IsRational() const | |
1147 | { | |
1148 | return ( myCurve->IsRational() || | |
1149 | mySurface->IsURational() || | |
1150 | mySurface->IsVRational() ); | |
1151 | } | |
1152 | ||
1153 | //======================================================================= | |
1154 | //function : NbPoles | |
1155 | //purpose : | |
1156 | //======================================================================= | |
1157 | ||
1158 | Standard_Integer Adaptor3d_CurveOnSurface::NbPoles() const | |
1159 | { | |
1160 | // on a parametric surface should multiply | |
1161 | return myCurve->NbPoles(); | |
1162 | } | |
1163 | ||
1164 | //======================================================================= | |
1165 | //function : NbKnots | |
1166 | //purpose : | |
1167 | //======================================================================= | |
1168 | ||
1169 | Standard_Integer Adaptor3d_CurveOnSurface::NbKnots() const { | |
1170 | if (mySurface->GetType()==GeomAbs_Plane) | |
1171 | return myCurve->NbKnots(); | |
1172 | else { | |
1173 | Standard_NoSuchObject::Raise(); | |
1174 | return 0; | |
1175 | } | |
1176 | } | |
1177 | ||
1178 | //======================================================================= | |
1179 | //function : Bezier | |
1180 | //purpose : | |
1181 | //======================================================================= | |
1182 | ||
1183 | Handle(Geom_BezierCurve) Adaptor3d_CurveOnSurface::Bezier() const | |
1184 | { | |
1185 | Standard_NoSuchObject_Raise_if | |
1186 | ( mySurface->GetType() != GeomAbs_Plane, | |
1187 | "Adaptor3d_CurveOnSurface : Bezier"); | |
1188 | ||
1189 | Handle(Geom2d_BezierCurve) Bez2d = myCurve->Bezier(); | |
1190 | Standard_Integer NbPoles = Bez2d->NbPoles(); | |
1191 | ||
1192 | const gp_Pln& Plane = mySurface->Plane(); | |
1193 | ||
1194 | TColgp_Array1OfPnt Poles(1,NbPoles); | |
1195 | for ( Standard_Integer i=1; i<= NbPoles; i++) { | |
1196 | Poles(i) = to3d( Plane, Bez2d->Pole(i)); | |
1197 | } | |
1198 | Handle(Geom_BezierCurve) Bez; | |
1199 | ||
1200 | if (Bez2d->IsRational()) { | |
1201 | TColStd_Array1OfReal Weights(1,NbPoles); | |
1202 | Bez2d->Weights(Weights); | |
1203 | Bez = new Geom_BezierCurve(Poles,Weights); | |
1204 | } | |
1205 | else { | |
1206 | Bez = new Geom_BezierCurve(Poles); | |
1207 | } | |
1208 | return Bez; | |
1209 | } | |
1210 | ||
1211 | //======================================================================= | |
1212 | //function : BSpline | |
1213 | //purpose : | |
1214 | //======================================================================= | |
1215 | ||
1216 | Handle(Geom_BSplineCurve) Adaptor3d_CurveOnSurface::BSpline() const | |
1217 | { | |
1218 | Standard_NoSuchObject_Raise_if | |
1219 | ( mySurface->GetType() != GeomAbs_Plane, | |
1220 | "Adaptor3d_CurveOnSurface : BSpline"); | |
1221 | ||
1222 | Handle(Geom2d_BSplineCurve) Bsp2d = myCurve->BSpline(); | |
1223 | Standard_Integer NbPoles = Bsp2d->NbPoles(); | |
1224 | ||
1225 | const gp_Pln& Plane = mySurface->Plane(); | |
1226 | ||
1227 | TColgp_Array1OfPnt Poles(1,NbPoles); | |
1228 | for ( Standard_Integer i=1; i<= NbPoles; i++) { | |
1229 | Poles(i) = to3d( Plane, Bsp2d->Pole(i)); | |
1230 | } | |
1231 | ||
1232 | TColStd_Array1OfReal Knots(1,Bsp2d->NbKnots()); | |
1233 | TColStd_Array1OfInteger Mults(1,Bsp2d->NbKnots()); | |
1234 | Bsp2d->Knots(Knots); | |
1235 | Bsp2d->Multiplicities(Mults); | |
1236 | ||
1237 | Handle(Geom_BSplineCurve) Bsp; | |
1238 | ||
1239 | if (Bsp2d->IsRational()) { | |
1240 | TColStd_Array1OfReal Weights(1,NbPoles); | |
1241 | Bsp2d->Weights(Weights); | |
1242 | Bsp = new Geom_BSplineCurve(Poles,Weights,Knots,Mults, | |
1243 | Bsp2d->Degree(), | |
1244 | Bsp2d->IsPeriodic()); | |
1245 | } | |
1246 | else { | |
1247 | Bsp = new Geom_BSplineCurve(Poles,Knots,Mults, | |
1248 | Bsp2d->Degree(), | |
1249 | Bsp2d->IsPeriodic()); | |
1250 | } | |
1251 | return Bsp; | |
1252 | } | |
1253 | ||
1254 | //======================================================================= | |
1255 | //function : GetCurve | |
1256 | //purpose : | |
1257 | //======================================================================= | |
1258 | ||
1259 | const Handle(Adaptor2d_HCurve2d)& Adaptor3d_CurveOnSurface::GetCurve() const | |
1260 | { | |
1261 | return myCurve; | |
1262 | } | |
1263 | ||
1264 | //======================================================================= | |
1265 | //function : GetSurface | |
1266 | //purpose : | |
1267 | //======================================================================= | |
1268 | ||
1269 | const Handle(Adaptor3d_HSurface)& Adaptor3d_CurveOnSurface::GetSurface() const | |
1270 | { | |
1271 | return mySurface; | |
1272 | } | |
1273 | ||
1274 | //======================================================================= | |
1275 | //function : ChangeCurve | |
1276 | //purpose : | |
1277 | //======================================================================= | |
1278 | ||
1279 | Handle(Adaptor2d_HCurve2d)& Adaptor3d_CurveOnSurface::ChangeCurve() | |
1280 | { | |
1281 | return myCurve; | |
1282 | } | |
1283 | ||
1284 | //======================================================================= | |
1285 | //function : ChangeSurface | |
1286 | //purpose : | |
1287 | //======================================================================= | |
1288 | ||
1289 | Handle(Adaptor3d_HSurface)& Adaptor3d_CurveOnSurface::ChangeSurface() { | |
1290 | return mySurface; | |
1291 | } | |
1292 | ||
1293 | //======================================================================= | |
1294 | //function : EvalKPart | |
1295 | //purpose : | |
1296 | //======================================================================= | |
1297 | ||
1298 | void Adaptor3d_CurveOnSurface::EvalKPart() | |
1299 | { | |
1300 | myType = GeomAbs_OtherCurve; | |
1301 | ||
1302 | GeomAbs_SurfaceType STy = mySurface->GetType(); | |
1303 | GeomAbs_CurveType CTy = myCurve->GetType(); | |
1304 | if (STy == GeomAbs_Plane) { | |
1305 | myType = CTy; | |
1306 | if (myType == GeomAbs_Circle) | |
1307 | myCirc = to3d(mySurface->Plane(),myCurve->Circle()); | |
1308 | else if (myType == GeomAbs_Line) { | |
1309 | gp_Pnt P; | |
1310 | gp_Vec V; | |
1311 | gp_Pnt2d Puv; | |
1312 | gp_Vec2d Duv; | |
1313 | myCurve->D1(0.,Puv,Duv); | |
1314 | gp_Vec D1U,D1V; | |
1315 | mySurface->D1(Puv.X(),Puv.Y(),P,D1U,D1V); | |
1316 | V.SetLinearForm(Duv.X(),D1U,Duv.Y(),D1V); | |
1317 | myLin = gp_Lin(P,V); | |
1318 | } | |
1319 | } | |
1320 | else { | |
1321 | if ( CTy == GeomAbs_Line) { | |
1322 | gp_Dir2d D = myCurve->Line().Direction(); | |
1323 | if ( D.IsParallel(gp::DX2d(),Precision::Angular())) { // Iso V. | |
1324 | if ( STy == GeomAbs_Sphere) { | |
1325 | gp_Pnt2d P = myCurve->Line().Location(); | |
c6541a0c | 1326 | if ( Abs( Abs(P.Y()) -M_PI/2. ) >= Precision::PConfusion()) { |
7fd59977 | 1327 | myType = GeomAbs_Circle; |
1328 | gp_Sphere Sph = mySurface->Sphere(); | |
1329 | gp_Ax3 Axis = Sph.Position(); | |
1330 | myCirc = ElSLib::SphereVIso(Axis, | |
1331 | Sph.Radius(), | |
1332 | P.Y()); | |
1333 | gp_Dir DRev = Axis.XDirection().Crossed(Axis.YDirection()); | |
1334 | gp_Ax1 AxeRev(Axis.Location(), DRev); | |
1335 | myCirc.Rotate(AxeRev, P.X()); | |
1336 | if ( D.IsOpposite(gp::DX2d(),Precision::Angular())) { | |
1337 | gp_Ax2 Ax = myCirc.Position(); | |
1338 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1339 | myCirc.SetPosition(Ax); | |
1340 | } | |
1341 | } | |
1342 | } | |
1343 | else if ( STy == GeomAbs_Cylinder) { | |
1344 | myType = GeomAbs_Circle; | |
1345 | gp_Cylinder Cyl = mySurface->Cylinder(); | |
1346 | gp_Pnt2d P = myCurve->Line().Location(); | |
1347 | gp_Ax3 Axis = Cyl.Position(); | |
1348 | myCirc = ElSLib::CylinderVIso(Axis, | |
1349 | Cyl.Radius(), | |
1350 | P.Y()); | |
1351 | gp_Dir DRev = Axis.XDirection().Crossed(Axis.YDirection()); | |
1352 | gp_Ax1 AxeRev(Axis.Location(), DRev); | |
1353 | myCirc.Rotate(AxeRev, P.X()); | |
1354 | if ( D.IsOpposite(gp::DX2d(),Precision::Angular())) { | |
1355 | gp_Ax2 Ax = myCirc.Position(); | |
1356 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1357 | myCirc.SetPosition(Ax); | |
1358 | } | |
1359 | } | |
1360 | else if ( STy == GeomAbs_Cone) { | |
1361 | myType = GeomAbs_Circle; | |
1362 | gp_Cone Cone = mySurface->Cone(); | |
1363 | gp_Pnt2d P = myCurve->Line().Location(); | |
1364 | gp_Ax3 Axis = Cone.Position(); | |
1365 | myCirc = ElSLib::ConeVIso(Axis, | |
1366 | Cone.RefRadius(), | |
1367 | Cone.SemiAngle(), | |
1368 | P.Y()); | |
1369 | gp_Dir DRev = Axis.XDirection().Crossed(Axis.YDirection()); | |
1370 | gp_Ax1 AxeRev(Axis.Location(), DRev); | |
1371 | myCirc.Rotate(AxeRev, P.X()); | |
1372 | if ( D.IsOpposite(gp::DX2d(),Precision::Angular())) { | |
1373 | gp_Ax2 Ax = myCirc.Position(); | |
1374 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1375 | myCirc.SetPosition(Ax); | |
1376 | } | |
1377 | } | |
1378 | else if ( STy == GeomAbs_Torus) { | |
1379 | myType = GeomAbs_Circle; | |
1380 | gp_Torus Tore = mySurface->Torus(); | |
1381 | gp_Pnt2d P = myCurve->Line().Location(); | |
1382 | gp_Ax3 Axis = Tore.Position(); | |
1383 | myCirc = ElSLib::TorusVIso(Axis, | |
1384 | Tore.MajorRadius(), | |
1385 | Tore.MinorRadius(), | |
1386 | P.Y()); | |
1387 | gp_Dir DRev = Axis.XDirection().Crossed(Axis.YDirection()); | |
1388 | gp_Ax1 AxeRev(Axis.Location(), DRev); | |
1389 | myCirc.Rotate(AxeRev, P.X()); | |
1390 | if ( D.IsOpposite(gp::DX2d(),Precision::Angular())) { | |
1391 | gp_Ax2 Ax = myCirc.Position(); | |
1392 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1393 | myCirc.SetPosition(Ax); | |
1394 | } | |
1395 | } | |
1396 | } | |
1397 | else if ( D.IsParallel(gp::DY2d(),Precision::Angular())) { // Iso U. | |
1398 | if ( STy == GeomAbs_Sphere) { | |
1399 | myType = GeomAbs_Circle; | |
1400 | gp_Sphere Sph = mySurface->Sphere(); | |
1401 | gp_Pnt2d P = myCurve->Line().Location(); | |
1402 | gp_Ax3 Axis = Sph.Position(); | |
1403 | // calcul de l'iso 0. | |
1404 | myCirc = ElSLib::SphereUIso(Axis, Sph.Radius(),0.); | |
1405 | ||
1406 | // mise a sameparameter (rotation du cercle - decalage du Y) | |
1407 | gp_Dir DRev = Axis.XDirection().Crossed(Axis. Direction()); | |
1408 | gp_Ax1 AxeRev(Axis.Location(),DRev); | |
1409 | myCirc.Rotate(AxeRev, P.Y()); | |
1410 | ||
1411 | // transformation en iso U ( = P.X()) | |
1412 | DRev = Axis.XDirection().Crossed(Axis.YDirection()); | |
1413 | AxeRev = gp_Ax1(Axis.Location(), DRev); | |
1414 | myCirc.Rotate(AxeRev, P.X()); | |
1415 | ||
1416 | if ( D.IsOpposite(gp::DY2d(),Precision::Angular())) { | |
1417 | gp_Ax2 Ax = myCirc.Position(); | |
1418 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1419 | myCirc.SetPosition(Ax); | |
1420 | } | |
1421 | } | |
1422 | else if ( STy == GeomAbs_Cylinder) { | |
1423 | myType = GeomAbs_Line; | |
1424 | gp_Cylinder Cyl = mySurface->Cylinder(); | |
1425 | gp_Pnt2d P = myCurve->Line().Location(); | |
1426 | myLin = ElSLib::CylinderUIso(Cyl.Position(), | |
1427 | Cyl.Radius(), | |
1428 | P.X()); | |
1429 | gp_Vec Tr(myLin.Direction()); | |
1430 | Tr.Multiply(P.Y()); | |
1431 | myLin.Translate(Tr); | |
1432 | if ( D.IsOpposite(gp::DY2d(),Precision::Angular())) | |
1433 | myLin.Reverse(); | |
1434 | } | |
1435 | else if ( STy == GeomAbs_Cone) { | |
1436 | myType = GeomAbs_Line; | |
1437 | gp_Cone Cone = mySurface->Cone(); | |
1438 | gp_Pnt2d P = myCurve->Line().Location(); | |
1439 | myLin = ElSLib::ConeUIso(Cone.Position(), | |
1440 | Cone.RefRadius(), | |
1441 | Cone.SemiAngle(), | |
1442 | P.X()); | |
1443 | gp_Vec Tr(myLin.Direction()); | |
1444 | Tr.Multiply(P.Y()); | |
1445 | myLin.Translate(Tr); | |
1446 | if ( D.IsOpposite(gp::DY2d(),Precision::Angular())) | |
1447 | myLin.Reverse(); | |
1448 | } | |
1449 | else if ( STy == GeomAbs_Torus) { | |
1450 | myType = GeomAbs_Circle; | |
1451 | gp_Torus Tore = mySurface->Torus(); | |
1452 | gp_Pnt2d P = myCurve->Line().Location(); | |
1453 | gp_Ax3 Axis = Tore.Position(); | |
1454 | myCirc = ElSLib::TorusUIso(Axis, | |
1455 | Tore.MajorRadius(), | |
1456 | Tore.MinorRadius(), | |
1457 | P.X()); | |
1458 | myCirc.Rotate(myCirc.Axis(),P.Y()); | |
1459 | ||
1460 | if ( D.IsOpposite(gp::DY2d(),Precision::Angular())) { | |
1461 | gp_Ax2 Ax = myCirc.Position(); | |
1462 | Ax.SetDirection(Ax.Direction().Reversed()); | |
1463 | myCirc.SetPosition(Ax); | |
1464 | } | |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | } | |
1469 | } | |
1470 | //======================================================================= | |
1471 | //function :EvalFirstLastSurf | |
1472 | //purpose : | |
1473 | //======================================================================= | |
1474 | ||
1475 | void Adaptor3d_CurveOnSurface::EvalFirstLastSurf() | |
1476 | { | |
1477 | Standard_Real FirstPar,LastPar; | |
1478 | gp_Pnt2d UV, LeftBot, RightTop; | |
1479 | gp_Vec2d DUV; | |
1480 | Standard_Real Tol= Precision::PConfusion()/10; | |
1481 | Standard_Boolean Ok = Standard_True; | |
1482 | ||
1483 | ||
1484 | FirstPar=myCurve->FirstParameter(); | |
1485 | myCurve->D1(FirstPar,UV,DUV); | |
1486 | ||
1487 | if(DUV.Magnitude() <= Tol) Ok = Standard_False; | |
1488 | ||
1489 | if(Ok) { | |
1490 | ||
1491 | switch(mySurface->GetType()) { | |
1492 | case GeomAbs_BSplineSurface : | |
1493 | LocatePart(UV,DUV,mySurface,LeftBot,RightTop); | |
1494 | break; | |
1495 | case GeomAbs_SurfaceOfRevolution : | |
1496 | case GeomAbs_SurfaceOfExtrusion : | |
1497 | Ok = LocatePart_RevExt(UV,DUV,mySurface,LeftBot,RightTop); | |
1498 | break; | |
1499 | case GeomAbs_OffsetSurface : | |
1500 | Ok = LocatePart_Offset(UV,DUV,mySurface,LeftBot,RightTop); | |
1501 | break; | |
1502 | default : | |
1503 | Standard_NotImplemented::Raise("Adaptor3d_CurveOnSurface::EvalFirstLastSurf"); | |
1504 | break; | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | if (Ok) { | |
1509 | ||
1510 | CompareBounds(LeftBot,RightTop); //SVV | |
1511 | ||
1512 | myFirstSurf = mySurface->UTrim(LeftBot.X(),RightTop.X(),Tol); | |
1513 | myFirstSurf = myFirstSurf->VTrim(LeftBot.Y(),RightTop.Y(),Tol); | |
1514 | ||
1515 | } | |
1516 | else { | |
1517 | myFirstSurf = mySurface; | |
1518 | } | |
1519 | ||
1520 | LastPar=myCurve->LastParameter(); | |
1521 | Ok = Standard_True; | |
1522 | myCurve->D1(LastPar,UV,DUV); | |
1523 | DUV.Reverse(); //We want the other part | |
1524 | ||
1525 | if(DUV.Magnitude() <= Tol) Ok = Standard_False; | |
1526 | ||
1527 | if(Ok) { | |
1528 | ||
1529 | switch(mySurface->GetType()) { | |
1530 | case GeomAbs_BSplineSurface : | |
1531 | LocatePart(UV,DUV,mySurface,LeftBot,RightTop); | |
1532 | break; | |
1533 | case GeomAbs_SurfaceOfRevolution : | |
1534 | case GeomAbs_SurfaceOfExtrusion : | |
1535 | Ok = LocatePart_RevExt(UV,DUV,mySurface,LeftBot,RightTop); | |
1536 | break; | |
1537 | case GeomAbs_OffsetSurface : | |
1538 | Ok = LocatePart_Offset(UV,DUV,mySurface,LeftBot,RightTop); | |
1539 | break; | |
1540 | default : | |
1541 | Standard_NotImplemented::Raise("Adaptor3d_CurveOnSurface::EvalFirstLastSurf"); | |
1542 | break; | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | if (Ok) { | |
1547 | ||
1548 | CompareBounds(LeftBot, RightTop); //SVV | |
1549 | ||
1550 | myLastSurf = mySurface->UTrim(LeftBot.X(),RightTop.X(),Tol); | |
1551 | myLastSurf = myLastSurf->VTrim(LeftBot.Y(),RightTop.Y(),Tol); | |
1552 | ||
1553 | } | |
1554 | else { | |
1555 | myLastSurf = mySurface; | |
1556 | } | |
1557 | } | |
1558 | ||
1559 | //======================================================================= | |
1560 | //function :LocatePart_RevExt | |
1561 | //purpose : processes Knots | |
1562 | //======================================================================= | |
1563 | ||
1564 | Standard_Boolean Adaptor3d_CurveOnSurface::LocatePart_RevExt(const gp_Pnt2d& UV, | |
1565 | const gp_Vec2d& DUV, | |
1566 | const Handle(Adaptor3d_HSurface)& S, | |
1567 | gp_Pnt2d& LeftBot, | |
1568 | gp_Pnt2d& RightTop) const | |
1569 | { | |
1570 | Handle(Adaptor3d_HCurve) AHC = S->BasisCurve(); | |
1571 | ||
1572 | if (AHC->GetType() == GeomAbs_BSplineCurve) { | |
1573 | Handle( Geom_BSplineCurve) BSplC; | |
1574 | BSplC = AHC->BSpline(); | |
1575 | ||
1576 | if((S->GetType())==GeomAbs_SurfaceOfExtrusion) { | |
1577 | Locate1Coord(1,UV,DUV,BSplC,LeftBot,RightTop); | |
1578 | Locate2Coord(2,UV,DUV,S->FirstVParameter(),S->LastVParameter(),LeftBot,RightTop); | |
1579 | } | |
1580 | else if((S->GetType())==GeomAbs_SurfaceOfRevolution) { | |
1581 | Locate1Coord(2,UV,DUV,BSplC,LeftBot,RightTop); | |
1582 | Locate2Coord(1,UV,DUV,S->FirstUParameter(),S->LastUParameter(),LeftBot,RightTop); | |
1583 | } | |
1584 | ||
1585 | Standard_Real u1,u2,v1,v2; | |
1586 | ReverseParam(LeftBot.X(),RightTop.X(),u1,u2); | |
1587 | LeftBot.SetX(u1); | |
1588 | RightTop.SetX(u2); | |
1589 | ReverseParam(LeftBot.Y(),RightTop.Y(),v1,v2); | |
1590 | LeftBot.SetY(v1); | |
1591 | RightTop.SetY(v2); | |
1592 | return Standard_True; | |
1593 | } | |
1594 | return Standard_False; | |
1595 | } | |
1596 | ||
1597 | //======================================================================= | |
1598 | //function :LocatePart_OffsetSurface | |
1599 | //purpose : | |
1600 | //======================================================================= | |
1601 | ||
1602 | Standard_Boolean Adaptor3d_CurveOnSurface:: | |
1603 | LocatePart_Offset(const gp_Pnt2d& UV, const gp_Vec2d& DUV, | |
1604 | const Handle(Adaptor3d_HSurface)& S, | |
1605 | gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) const | |
1606 | { | |
1607 | Standard_Boolean Ok = Standard_True; | |
1608 | Handle( Adaptor3d_HSurface) AHS; | |
1609 | Handle( Geom_BSplineSurface) BSplS; | |
1610 | AHS = S->BasisSurface(); | |
1611 | GeomAbs_SurfaceType BasisSType = AHS->GetType(); | |
1612 | switch(BasisSType) { | |
1613 | case GeomAbs_SurfaceOfRevolution: | |
1614 | case GeomAbs_SurfaceOfExtrusion : | |
1615 | Ok = LocatePart_RevExt(UV,DUV,AHS,LeftBot,RightTop); | |
1616 | break; | |
1617 | ||
1618 | case GeomAbs_BSplineSurface: | |
1619 | LocatePart(UV,DUV,AHS,LeftBot,RightTop); | |
1620 | break; | |
1621 | ||
1622 | default : | |
1623 | Ok=Standard_False; | |
1624 | } | |
1625 | return Ok; | |
1626 | } | |
1627 | ||
1628 | //======================================================================= | |
1629 | //function :LocatePart | |
1630 | //purpose : for BSplineSurface | |
1631 | //======================================================================= | |
1632 | ||
1633 | void Adaptor3d_CurveOnSurface::LocatePart(const gp_Pnt2d& UV, const gp_Vec2d& DUV, | |
1634 | const Handle(Adaptor3d_HSurface)& S, | |
1635 | gp_Pnt2d& LeftBot, gp_Pnt2d& RightTop) const | |
1636 | { | |
1637 | Handle( Geom_BSplineSurface) BSplS; | |
1638 | BSplS = S->BSpline(); | |
1639 | Standard_Boolean DUIsNull=Standard_False, | |
1640 | DVIsNull=Standard_False; | |
1641 | ||
1642 | Locate1Coord(1,UV,DUV,BSplS,DUIsNull,LeftBot,RightTop); | |
1643 | Locate1Coord(2,UV,DUV,BSplS,DVIsNull,LeftBot,RightTop); | |
1644 | ||
1645 | if((DUIsNull==Standard_True)&&(DVIsNull==Standard_False)) { | |
1646 | TColStd_Array1OfReal ArrU(1,BSplS->NbUKnots()); | |
1647 | BSplS->UKnots(ArrU); | |
1648 | Locate2Coord(1,UV,DUV,BSplS,ArrU,LeftBot,RightTop); | |
1649 | } | |
1650 | else if((DVIsNull==Standard_True)&&(DUIsNull==Standard_False)) { | |
1651 | TColStd_Array1OfReal ArrV(1,BSplS->NbVKnots()); | |
1652 | BSplS->VKnots(ArrV); | |
1653 | Locate2Coord(2,UV,DUV,BSplS,ArrV,LeftBot,RightTop); | |
1654 | } | |
1655 | } | |
1656 | ||
1657 | ||
1658 |