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b311480e | 1 | // Created on: 1996-12-05 |
2 | // Created by: Flore Lantheaume/Odile Olivier | |
3 | // Copyright (c) 1996-1999 Matra Datavision | |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS | |
5 | // | |
6 | // The content of this file is subject to the Open CASCADE Technology Public | |
7 | // License Version 6.5 (the "License"). You may not use the content of this file | |
8 | // except in compliance with the License. Please obtain a copy of the License | |
9 | // at http://www.opencascade.org and read it completely before using this file. | |
10 | // | |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
13 | // | |
14 | // The Original Code and all software distributed under the License is | |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
16 | // Initial Developer hereby disclaims all such warranties, including without | |
17 | // limitation, any warranties of merchantability, fitness for a particular | |
18 | // purpose or non-infringement. Please see the License for the specific terms | |
19 | // and conditions governing the rights and limitations under the License. | |
20 | ||
7fd59977 | 21 | |
22 | #define BUC60915 //GG 05/06/01 Enable to compute the requested arrow size | |
23 | // if any in all dimensions. | |
24 | ||
25 | #include <Standard_NotImplemented.hxx> | |
26 | ||
27 | #include <AIS_FixRelation.ixx> | |
28 | ||
29 | #include <AIS_Shape.hxx> | |
30 | ||
31 | #include <TopAbs_ShapeEnum.hxx> | |
32 | ||
33 | #include <SelectMgr_EntityOwner.hxx> | |
34 | #include <Select3D_SensitiveSegment.hxx> | |
35 | ||
36 | #include <BRep_Tool.hxx> | |
37 | #include <BRepAdaptor_Curve.hxx> | |
38 | ||
39 | #include <TopoDS.hxx> | |
40 | #include <TopoDS_Edge.hxx> | |
41 | #include <TopoDS_Vertex.hxx> | |
42 | #include <TopoDS_Wire.hxx> | |
43 | #include <TopExp.hxx> | |
44 | #include <TopLoc_Location.hxx> | |
45 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
46 | #include <TopTools_IndexedMapOfShape.hxx> | |
47 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
48 | ||
49 | #include <TColStd_ListIteratorOfListOfTransient.hxx> | |
50 | ||
51 | #include <Geom_Curve.hxx> | |
52 | #include <Geom_Line.hxx> | |
53 | #include <Geom_Circle.hxx> | |
54 | #include <Geom_Plane.hxx> | |
55 | ||
56 | #include <gp_Pnt.hxx> | |
57 | #include <gp_Vec.hxx> | |
58 | #include <gp_Dir.hxx> | |
59 | #include <gp_Ax1.hxx> | |
60 | #include <gp_XYZ.hxx> | |
61 | ||
62 | #include <ElCLib.hxx> | |
63 | #include <ElSLib.hxx> | |
64 | ||
65 | #include <Precision.hxx> | |
66 | ||
67 | #include <Standard_DomainError.hxx> | |
68 | ||
69 | #include <DsgPrs_FixPresentation.hxx> | |
70 | ||
71 | #include <AIS.hxx> | |
72 | ||
73 | static Standard_Boolean InDomain(const Standard_Real fpar, | |
74 | const Standard_Real lpar, | |
75 | const Standard_Real para) | |
76 | { | |
77 | if (fpar >= 0.) { | |
78 | return ((para >= fpar) && (para <= lpar)); | |
79 | } | |
c6541a0c | 80 | if (para >= (fpar+2*M_PI)) return Standard_True; |
7fd59977 | 81 | if (para <= lpar) return Standard_True; |
82 | return Standard_False; | |
83 | } | |
84 | ||
85 | //======================================================================= | |
86 | //function : Constructor | |
87 | //purpose : vertex Fix Relation | |
88 | //======================================================================= | |
89 | ||
90 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
91 | const Handle(Geom_Plane)& aPlane, | |
92 | const TopoDS_Wire& aWire) | |
93 | :AIS_Relation(), | |
258ff83b | 94 | myWire(aWire) |
7fd59977 | 95 | { |
96 | myFShape = aShape; | |
97 | myPlane = aPlane; | |
98 | myAutomaticPosition = Standard_True; | |
99 | myArrowSize = 5.; | |
100 | } | |
101 | ||
102 | //======================================================================= | |
103 | //function : Constructor | |
104 | //purpose : vertex Fix Relation | |
105 | //======================================================================= | |
106 | ||
107 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
108 | const Handle(Geom_Plane)& aPlane, | |
109 | const TopoDS_Wire& aWire, | |
110 | const gp_Pnt& aPosition, | |
111 | const Standard_Real anArrowSize) | |
112 | :AIS_Relation(), | |
258ff83b | 113 | myWire(aWire) |
7fd59977 | 114 | { |
115 | myFShape = aShape; | |
116 | myPlane = aPlane; | |
117 | myPosition = aPosition; | |
118 | #ifdef BUC60915 | |
119 | SetArrowSize( anArrowSize ); | |
120 | #else | |
121 | myArrowSize = anArrowSize; | |
122 | #endif | |
123 | myAutomaticPosition = Standard_False; | |
124 | } | |
125 | ||
126 | ||
127 | //======================================================================= | |
128 | //function : Constructor | |
129 | //purpose : edge (line or circle) Fix Relation | |
130 | //======================================================================= | |
131 | ||
132 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
258ff83b | 133 | const Handle(Geom_Plane)& aPlane) |
7fd59977 | 134 | { |
135 | myFShape = aShape; | |
136 | myPlane = aPlane; | |
137 | myAutomaticPosition = Standard_True; | |
138 | myArrowSize = 5.; | |
139 | } | |
140 | ||
141 | //======================================================================= | |
142 | //function : Constructor | |
143 | //purpose : edge (line or circle) Fix Relation | |
144 | //======================================================================= | |
145 | ||
146 | AIS_FixRelation::AIS_FixRelation( | |
147 | const TopoDS_Shape& aShape, | |
148 | const Handle(Geom_Plane)& aPlane, | |
149 | const gp_Pnt& aPosition, | |
258ff83b | 150 | const Standard_Real anArrowSize) |
7fd59977 | 151 | { |
152 | myFShape = aShape; | |
153 | myPlane = aPlane; | |
154 | myPosition = aPosition; | |
155 | #ifdef BUC60915 | |
156 | SetArrowSize( anArrowSize ); | |
157 | #else | |
158 | myArrowSize = anArrowSize; | |
159 | #endif | |
160 | myAutomaticPosition = Standard_False; | |
161 | } | |
162 | ||
163 | //======================================================================= | |
164 | //function : Wire | |
165 | //purpose : | |
166 | //======================================================================= | |
167 | ||
168 | TopoDS_Wire AIS_FixRelation::Wire() | |
169 | { | |
170 | return myWire; | |
171 | } | |
172 | ||
173 | //======================================================================= | |
174 | //function : SetWire | |
175 | //purpose : | |
176 | //======================================================================= | |
177 | ||
178 | void AIS_FixRelation::SetWire(const TopoDS_Wire& aWire) | |
179 | { | |
180 | myWire = aWire; | |
181 | } | |
182 | ||
183 | ||
184 | //======================================================================= | |
185 | //function : Compute | |
186 | //purpose : | |
187 | //======================================================================= | |
188 | ||
189 | void AIS_FixRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, | |
190 | const Handle(Prs3d_Presentation)& aPresentation, | |
191 | const Standard_Integer) | |
192 | { | |
193 | aPresentation->Clear(); | |
194 | ||
81bba717 | 195 | // Calculate position of the symbol and |
196 | // point of attach of the segment on the shape | |
7fd59977 | 197 | gp_Pnt curpos; |
198 | if (myFShape.ShapeType() == TopAbs_VERTEX) | |
199 | ComputeVertex(TopoDS::Vertex(myFShape), curpos); | |
200 | else if (myFShape.ShapeType() == TopAbs_EDGE) | |
201 | ComputeEdge(TopoDS::Edge(myFShape), curpos); | |
202 | ||
203 | const gp_Dir& nor = myPlane->Axis().Direction(); | |
204 | ||
205 | ||
81bba717 | 206 | // calculate presentation |
207 | // definition of the symbol size | |
7fd59977 | 208 | #ifdef BUC60915 |
209 | if( !myArrowSizeIsDefined ) | |
210 | #endif | |
211 | myArrowSize = 5.; | |
212 | ||
81bba717 | 213 | //creation of the presentation |
7fd59977 | 214 | DsgPrs_FixPresentation::Add(aPresentation, |
215 | myDrawer, | |
216 | myPntAttach, | |
217 | curpos, | |
218 | nor, | |
219 | myArrowSize); | |
220 | } | |
221 | ||
222 | //======================================================================= | |
223 | //function : Compute | |
224 | //purpose : to avoid warning | |
225 | //======================================================================= | |
226 | ||
227 | void AIS_FixRelation::Compute(const Handle(Prs3d_Projector)& aProjector, | |
228 | const Handle(Prs3d_Presentation)& aPresentation) | |
229 | { | |
230 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); | |
231 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; | |
232 | } | |
233 | ||
7fd59977 | 234 | //======================================================================= |
235 | //function : Compute | |
236 | //purpose : | |
237 | //======================================================================= | |
238 | ||
239 | void AIS_FixRelation::Compute(const Handle_Prs3d_Projector& aProjector, | |
240 | const Handle_Geom_Transformation& aTransformation, | |
241 | const Handle_Prs3d_Presentation& aPresentation) | |
242 | { | |
243 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)"); | |
244 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; | |
245 | } | |
246 | ||
247 | //======================================================================= | |
248 | //function : ComputeSelection | |
249 | //purpose : | |
250 | //======================================================================= | |
251 | ||
252 | void AIS_FixRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, | |
253 | const Standard_Integer) | |
254 | { | |
255 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); | |
256 | ||
81bba717 | 257 | // creation of segment sensible for the linked segment |
258 | // of the shape fixed to symbol 'Fix' | |
7fd59977 | 259 | Handle(Select3D_SensitiveSegment) seg; |
260 | seg = new Select3D_SensitiveSegment(own, | |
261 | myPntAttach, | |
262 | myPosition); | |
263 | aSelection->Add(seg); | |
264 | ||
81bba717 | 265 | // Creation of the sensible zone of symbol 'Fix' |
7fd59977 | 266 | gp_Dir norm = myPlane->Axis().Direction(); |
267 | ||
268 | gp_Vec dirac(myPntAttach,myPosition); | |
269 | dirac.Normalize(); | |
270 | gp_Vec norac = dirac.Crossed(gp_Vec(norm)); | |
271 | gp_Ax1 ax(myPosition, norm); | |
c6541a0c | 272 | norac.Rotate(ax, M_PI/8); |
7fd59977 | 273 | |
274 | norac*=(myArrowSize/2); | |
275 | gp_Pnt P1 = myPosition.Translated(norac); | |
276 | gp_Pnt P2 = myPosition.Translated(-norac); | |
277 | seg = new Select3D_SensitiveSegment(own, | |
278 | P1, | |
279 | P2); | |
280 | aSelection->Add(seg); | |
281 | ||
282 | norac*=0.8; | |
283 | P1 = myPosition.Translated(norac); | |
284 | P2 = myPosition.Translated(-norac); | |
285 | dirac*=(myArrowSize/2); | |
286 | gp_Pnt PF(P1.XYZ()); | |
287 | gp_Pnt PL = PF.Translated(dirac); | |
288 | PL.Translate(norac); | |
289 | seg = new Select3D_SensitiveSegment(own, | |
290 | PF, | |
291 | PL); | |
292 | aSelection->Add(seg); | |
293 | ||
294 | ||
295 | PF.SetXYZ(P2.XYZ()); | |
296 | PL = PF.Translated(dirac); | |
297 | PL.Translate(norac); | |
298 | seg = new Select3D_SensitiveSegment(own, | |
299 | PF, | |
300 | PL); | |
301 | aSelection->Add(seg); | |
302 | ||
303 | PF.SetXYZ( (P1.XYZ() + P2.XYZ()) /2 ); | |
304 | PL = PF.Translated(dirac); | |
305 | PL.Translate(norac); | |
306 | seg = new Select3D_SensitiveSegment(own, | |
307 | PF, | |
308 | PL); | |
309 | } | |
310 | ||
311 | //======================================================================= | |
312 | //function : ComputeVertex | |
313 | //purpose : computes myPntAttach and the position of the presentation | |
314 | // when you fix a vertex | |
315 | //======================================================================= | |
316 | ||
317 | void AIS_FixRelation::ComputeVertex(const TopoDS_Vertex& /*FixVertex*/, | |
318 | gp_Pnt& curpos) | |
319 | { | |
320 | myPntAttach = BRep_Tool::Pnt(TopoDS::Vertex(myFShape)); | |
321 | curpos = myPosition; | |
322 | if (myAutomaticPosition) { | |
323 | gp_Pln pln(myPlane->Pln()); | |
324 | gp_Dir dir(pln.XAxis().Direction()); | |
325 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
326 | curpos = myPntAttach.Translated(transvec);; | |
327 | myPosition = curpos; | |
328 | myAutomaticPosition = Standard_True; | |
329 | } | |
330 | } | |
331 | ||
332 | //======================================================================= | |
333 | //function : ComputePosition | |
334 | //purpose : | |
335 | //======================================================================= | |
336 | ||
337 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv1, | |
338 | const Handle(Geom_Curve)& curv2, | |
339 | const gp_Pnt& firstp1, | |
340 | const gp_Pnt& lastp1, | |
341 | const gp_Pnt& firstp2, | |
342 | const gp_Pnt& lastp2) const | |
343 | { | |
344 | //--------------------------------------------------------- | |
81bba717 | 345 | // calculate the point of attach |
7fd59977 | 346 | //--------------------------------------------------------- |
347 | gp_Pnt curpos; | |
348 | ||
349 | if (curv1->IsInstance(STANDARD_TYPE(Geom_Circle)) || curv2->IsInstance(STANDARD_TYPE(Geom_Circle))) { | |
350 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv1); | |
351 | if (gcirc.IsNull()) gcirc = Handle(Geom_Circle)::DownCast(curv2); | |
352 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
353 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
354 | curpos = myPntAttach.Translated(transvec); | |
355 | } | |
356 | ||
357 | else { | |
358 | gp_Vec vec1(firstp1,lastp1); | |
359 | gp_Vec vec2(firstp2,lastp2); | |
360 | ||
361 | if (!vec1.IsParallel(vec2, Precision::Angular()) ) { | |
362 | gp_Dir dir; | |
363 | Standard_Real conf =Precision::Confusion(); | |
364 | if (lastp1.IsEqual(firstp2,conf) || firstp1.IsEqual(lastp2,conf)) dir.SetXYZ(vec1.XYZ() - vec2.XYZ()); | |
365 | else dir.SetXYZ(vec1.XYZ() + vec2.XYZ()); | |
366 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
367 | curpos = myPntAttach.Translated(transvec); | |
368 | } | |
369 | else { | |
370 | gp_Vec crossvec = vec1.Crossed(vec2); | |
371 | vec1.Cross(crossvec); | |
372 | gp_Dir dir(vec1); | |
373 | curpos = myPntAttach.Translated(gp_Vec(dir)*myArrowSize); | |
374 | } | |
375 | } | |
376 | ||
377 | return curpos; | |
378 | } | |
379 | ||
380 | //======================================================================= | |
381 | //function : ComputePosition | |
382 | //purpose : Computes the position of the "fix dimension" when the | |
383 | // fixed object is a vertex which is set at the intersection | |
384 | // of two curves. | |
385 | // The "dimension" is in the "middle" of the two edges. | |
386 | //======================================================================= | |
387 | ||
388 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv, | |
389 | const gp_Pnt& firstp, | |
390 | const gp_Pnt& lastp) const | |
391 | { | |
392 | //--------------------------------------------------------- | |
81bba717 | 393 | // calculate the point of attach |
7fd59977 | 394 | //--------------------------------------------------------- |
395 | gp_Pnt curpos; | |
396 | ||
397 | if (curv->IsKind(STANDARD_TYPE(Geom_Circle))) { | |
398 | ||
399 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv); | |
400 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
401 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
402 | curpos = myPntAttach.Translated(transvec); | |
403 | ||
404 | } //if (curv->IsKind(STANDARD_TYPE(Geom_Circle)) | |
405 | ||
406 | else { | |
407 | // gp_Pln pln(Component()->WorkingPlane()->Plane()->GetValue()->Pln()); | |
408 | gp_Pln pln(myPlane->Pln()); | |
409 | gp_Dir NormPln = pln.Axis().Direction(); | |
410 | gp_Vec vec(firstp,lastp); | |
411 | vec.Cross( gp_Vec(NormPln)); | |
412 | vec.Normalize(); | |
413 | gp_Vec transvec = vec*myArrowSize; | |
414 | curpos = myPntAttach.Translated(transvec); | |
415 | gp_Ax1 RotAx( myPntAttach, NormPln); | |
c6541a0c | 416 | curpos.Rotate(RotAx, M_PI/10); |
7fd59977 | 417 | } |
418 | ||
419 | return curpos; | |
420 | } | |
421 | ||
422 | //======================================================================= | |
423 | //function : ComputeEdge | |
424 | //purpose : computes myPntAttach and the position of the presentation | |
425 | // when you fix an edge | |
426 | //======================================================================= | |
427 | ||
428 | void AIS_FixRelation::ComputeEdge(const TopoDS_Edge& FixEdge, gp_Pnt& curpos) | |
429 | { | |
430 | Handle(Geom_Curve) curEdge; | |
431 | gp_Pnt ptbeg,ptend; | |
432 | if (!AIS::ComputeGeometry(FixEdge,curEdge,ptbeg,ptend)) return; | |
433 | ||
434 | //--------------------------------------------------------- | |
435 | // calcul du point de positionnement du symbole 'fix' | |
436 | //--------------------------------------------------------- | |
81bba717 | 437 | //--> In case of a straight line |
7fd59977 | 438 | if (curEdge->IsKind(STANDARD_TYPE(Geom_Line))){ |
439 | gp_Lin glin = Handle(Geom_Line)::DownCast(curEdge)->Lin(); | |
440 | Standard_Real pfirst(ElCLib::Parameter(glin,ptbeg)); | |
441 | Standard_Real plast(ElCLib::Parameter(glin,ptend)); | |
442 | ComputeLinePosition(glin, curpos, pfirst, plast); | |
443 | } | |
444 | ||
81bba717 | 445 | //--> In case of a circle |
7fd59977 | 446 | else if (curEdge->IsKind(STANDARD_TYPE(Geom_Circle))) { |
447 | gp_Circ gcirc = Handle(Geom_Circle)::DownCast(curEdge)->Circ(); | |
448 | Standard_Real pfirst, plast; | |
449 | BRepAdaptor_Curve cu(FixEdge); | |
450 | pfirst = cu.FirstParameter(); | |
451 | plast = cu.LastParameter(); | |
452 | ComputeCirclePosition(gcirc, curpos, pfirst, plast); | |
453 | } | |
454 | ||
455 | else | |
456 | return; | |
457 | ||
458 | } | |
459 | ||
460 | //======================================================================= | |
461 | //function : ComputeLinePosition | |
462 | //purpose : compute the values of myPntAttach and the position <pos> of | |
463 | // the symbol when the fixed edge has a geometric support equal | |
464 | // to a line. | |
465 | //======================================================================= | |
466 | ||
467 | void AIS_FixRelation::ComputeLinePosition(const gp_Lin& glin, | |
468 | gp_Pnt& pos, | |
469 | Standard_Real& pfirst, | |
470 | Standard_Real& plast) | |
471 | { | |
472 | if (myAutomaticPosition) { | |
81bba717 | 473 | // point of attach is chosen as middle of the segment |
7fd59977 | 474 | myPntAttach = ElCLib::Value((pfirst+ plast)/2, glin); |
475 | ||
476 | gp_Dir norm = myPlane ->Axis().Direction(); | |
477 | ||
478 | norm.Cross(glin.Position().Direction()); | |
479 | pos = myPntAttach.Translated(gp_Vec(norm)*myArrowSize); | |
480 | myAutomaticPosition = Standard_True; | |
481 | } // if (myAutomaticPosition) | |
482 | ||
483 | else { | |
484 | pos = myPosition; | |
485 | Standard_Real linparam = ElCLib::Parameter(glin, pos); | |
486 | ||
81bba717 | 487 | // case if the projection of position is located between 2 vertices |
7fd59977 | 488 | // de l'edge |
489 | if ( (linparam >= pfirst) && (linparam <= plast) ) | |
490 | myPntAttach = ElCLib::Value(linparam,glin); | |
491 | ||
81bba717 | 492 | // case if the projection of Position is outside of the limits |
493 | // of the edge : the point closest to the projection is chosen | |
494 | // as the attach point | |
7fd59977 | 495 | else { |
496 | Standard_Real pOnLin; | |
497 | if (linparam > plast) | |
498 | pOnLin = plast; | |
499 | else | |
500 | pOnLin = pfirst; | |
501 | myPntAttach = ElCLib::Value(pOnLin,glin); | |
502 | gp_Dir norm = myPlane->Axis().Direction(); | |
503 | ||
504 | norm.Cross(glin.Position().Direction()); | |
505 | gp_Lin lsup(myPntAttach, norm); | |
506 | Standard_Real parpos = ElCLib::Parameter(lsup,myPosition); | |
507 | pos = ElCLib::Value(parpos,lsup); | |
508 | } | |
509 | ||
510 | } | |
511 | myPosition = pos; | |
512 | } | |
513 | ||
514 | //======================================================================= | |
515 | //function : ComputeCirclePosition | |
516 | //purpose : compute the values of myPntAttach and the position <pos> of | |
517 | // the symbol when the fixed edge has a geometric support equal | |
518 | // to a circle. | |
519 | //======================================================================= | |
520 | ||
521 | void AIS_FixRelation::ComputeCirclePosition( | |
522 | const gp_Circ& gcirc, | |
523 | gp_Pnt& pos, | |
524 | Standard_Real& pfirst, | |
525 | Standard_Real& plast) | |
526 | { | |
81bba717 | 527 | // readjust parametres on the circle |
c6541a0c D |
528 | if (plast > 2*M_PI ) { |
529 | Standard_Real nbtours = Floor(plast / (2*M_PI)); | |
530 | plast -= nbtours*2*M_PI; | |
531 | pfirst -= nbtours*2*M_PI; | |
7fd59977 | 532 | } |
533 | ||
534 | if (myAutomaticPosition) { | |
81bba717 | 535 | // the point attach is the "middle" of the segment (relatively |
536 | // to the parametres of start and end vertices of the edge | |
7fd59977 | 537 | |
538 | Standard_Real circparam = (pfirst + plast)/2.; | |
539 | ||
540 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
541 | Standard_Real otherpar = circparam + M_PI; |
542 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 543 | circparam = otherpar; |
544 | } | |
545 | ||
546 | myPntAttach = ElCLib::Value(circparam, gcirc ); | |
547 | ||
548 | gp_Vec dir( gcirc.Location().XYZ(), myPntAttach.XYZ() ); | |
549 | dir.Normalize(); | |
550 | gp_Vec transvec = dir*myArrowSize; | |
551 | pos = myPntAttach.Translated(transvec); | |
552 | myPosition = pos; | |
553 | myAutomaticPosition = Standard_True; | |
554 | } // if (myAutomaticPosition) | |
555 | ||
556 | else { | |
81bba717 | 557 | // case if the projection of myPosition is outside of 2 |
558 | // vertices of the edge. In this case the parameter is readjusted | |
559 | // in the valid part of the circle | |
7fd59977 | 560 | pos = myPosition; |
561 | ||
562 | Standard_Real circparam = ElCLib::Parameter(gcirc, pos); | |
563 | ||
564 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
565 | Standard_Real otherpar = circparam + M_PI; |
566 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 567 | circparam = otherpar; |
568 | } | |
569 | ||
570 | myPntAttach = ElCLib::Value(circparam,gcirc); | |
571 | } | |
572 | } | |
573 | ||
574 | //======================================================================= | |
575 | //function : ConnectedEdges | |
576 | //purpose : | |
577 | //======================================================================= | |
578 | Standard_Boolean AIS_FixRelation::ConnectedEdges(const TopoDS_Wire& WIRE, | |
579 | const TopoDS_Vertex& V, | |
580 | TopoDS_Edge& E1, | |
581 | TopoDS_Edge& E2) | |
582 | { | |
583 | TopTools_IndexedDataMapOfShapeListOfShape vertexMap; | |
584 | TopExp::MapShapesAndAncestors (WIRE,TopAbs_VERTEX,TopAbs_EDGE,vertexMap); | |
585 | ||
586 | Standard_Boolean found(Standard_False); | |
587 | TopoDS_Vertex theVertex; | |
588 | for (Standard_Integer i=1; i<=vertexMap.Extent() && !found; i++) { | |
589 | if (vertexMap.FindKey(i).IsSame(V)) { | |
590 | theVertex = TopoDS::Vertex(vertexMap.FindKey(i)); | |
591 | found = Standard_True; | |
592 | } | |
593 | } | |
594 | if (!found) { | |
595 | E1.Nullify(); | |
596 | E2.Nullify(); | |
597 | return Standard_False; | |
598 | } | |
599 | ||
600 | TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(theVertex)); | |
601 | if (iterator.More()) { | |
602 | E1 = TopoDS::Edge(iterator.Value()); | |
603 | BRepAdaptor_Curve curv(E1); | |
604 | iterator.Next(); | |
605 | } | |
606 | else { | |
607 | E1.Nullify(); | |
608 | return Standard_False; | |
609 | } | |
610 | ||
611 | if (iterator.More()) { | |
612 | E2 = TopoDS::Edge(iterator.Value()); | |
613 | BRepAdaptor_Curve curv(E2); | |
614 | iterator.Next(); | |
615 | } | |
616 | else { | |
617 | E2.Nullify(); | |
618 | return Standard_False; | |
619 | } | |
620 | ||
621 | if (iterator.More()) { | |
622 | E1.Nullify(); | |
623 | E2.Nullify(); | |
624 | return Standard_False; | |
625 | } | |
626 | return Standard_True; | |
627 | } |