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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(), | |
94 | myWire(aWire), | |
95 | haspos(Standard_False) | |
96 | { | |
97 | myFShape = aShape; | |
98 | myPlane = aPlane; | |
99 | myAutomaticPosition = Standard_True; | |
100 | myArrowSize = 5.; | |
101 | } | |
102 | ||
103 | //======================================================================= | |
104 | //function : Constructor | |
105 | //purpose : vertex Fix Relation | |
106 | //======================================================================= | |
107 | ||
108 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
109 | const Handle(Geom_Plane)& aPlane, | |
110 | const TopoDS_Wire& aWire, | |
111 | const gp_Pnt& aPosition, | |
112 | const Standard_Real anArrowSize) | |
113 | :AIS_Relation(), | |
114 | myWire(aWire), | |
115 | haspos(Standard_False) | |
116 | { | |
117 | myFShape = aShape; | |
118 | myPlane = aPlane; | |
119 | myPosition = aPosition; | |
120 | #ifdef BUC60915 | |
121 | SetArrowSize( anArrowSize ); | |
122 | #else | |
123 | myArrowSize = anArrowSize; | |
124 | #endif | |
125 | myAutomaticPosition = Standard_False; | |
126 | } | |
127 | ||
128 | ||
129 | //======================================================================= | |
130 | //function : Constructor | |
131 | //purpose : edge (line or circle) Fix Relation | |
132 | //======================================================================= | |
133 | ||
134 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
135 | const Handle(Geom_Plane)& aPlane): | |
136 | haspos(Standard_False) | |
137 | { | |
138 | myFShape = aShape; | |
139 | myPlane = aPlane; | |
140 | myAutomaticPosition = Standard_True; | |
141 | myArrowSize = 5.; | |
142 | } | |
143 | ||
144 | //======================================================================= | |
145 | //function : Constructor | |
146 | //purpose : edge (line or circle) Fix Relation | |
147 | //======================================================================= | |
148 | ||
149 | AIS_FixRelation::AIS_FixRelation( | |
150 | const TopoDS_Shape& aShape, | |
151 | const Handle(Geom_Plane)& aPlane, | |
152 | const gp_Pnt& aPosition, | |
153 | const Standard_Real anArrowSize): | |
154 | haspos(Standard_False) | |
155 | { | |
156 | myFShape = aShape; | |
157 | myPlane = aPlane; | |
158 | myPosition = aPosition; | |
159 | #ifdef BUC60915 | |
160 | SetArrowSize( anArrowSize ); | |
161 | #else | |
162 | myArrowSize = anArrowSize; | |
163 | #endif | |
164 | myAutomaticPosition = Standard_False; | |
165 | } | |
166 | ||
167 | //======================================================================= | |
168 | //function : Wire | |
169 | //purpose : | |
170 | //======================================================================= | |
171 | ||
172 | TopoDS_Wire AIS_FixRelation::Wire() | |
173 | { | |
174 | return myWire; | |
175 | } | |
176 | ||
177 | //======================================================================= | |
178 | //function : SetWire | |
179 | //purpose : | |
180 | //======================================================================= | |
181 | ||
182 | void AIS_FixRelation::SetWire(const TopoDS_Wire& aWire) | |
183 | { | |
184 | myWire = aWire; | |
185 | } | |
186 | ||
187 | ||
188 | //======================================================================= | |
189 | //function : Compute | |
190 | //purpose : | |
191 | //======================================================================= | |
192 | ||
193 | void AIS_FixRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, | |
194 | const Handle(Prs3d_Presentation)& aPresentation, | |
195 | const Standard_Integer) | |
196 | { | |
197 | aPresentation->Clear(); | |
198 | ||
81bba717 | 199 | // Calculate position of the symbol and |
200 | // point of attach of the segment on the shape | |
7fd59977 | 201 | gp_Pnt curpos; |
202 | if (myFShape.ShapeType() == TopAbs_VERTEX) | |
203 | ComputeVertex(TopoDS::Vertex(myFShape), curpos); | |
204 | else if (myFShape.ShapeType() == TopAbs_EDGE) | |
205 | ComputeEdge(TopoDS::Edge(myFShape), curpos); | |
206 | ||
207 | const gp_Dir& nor = myPlane->Axis().Direction(); | |
208 | ||
209 | ||
81bba717 | 210 | // calculate presentation |
211 | // definition of the symbol size | |
7fd59977 | 212 | #ifdef BUC60915 |
213 | if( !myArrowSizeIsDefined ) | |
214 | #endif | |
215 | myArrowSize = 5.; | |
216 | ||
81bba717 | 217 | //creation of the presentation |
7fd59977 | 218 | DsgPrs_FixPresentation::Add(aPresentation, |
219 | myDrawer, | |
220 | myPntAttach, | |
221 | curpos, | |
222 | nor, | |
223 | myArrowSize); | |
224 | } | |
225 | ||
226 | //======================================================================= | |
227 | //function : Compute | |
228 | //purpose : to avoid warning | |
229 | //======================================================================= | |
230 | ||
231 | void AIS_FixRelation::Compute(const Handle(Prs3d_Projector)& aProjector, | |
232 | const Handle(Prs3d_Presentation)& aPresentation) | |
233 | { | |
234 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); | |
235 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; | |
236 | } | |
237 | ||
238 | //======================================================================= | |
239 | //function : Compute | |
240 | //purpose : to avoid warning | |
241 | //======================================================================= | |
242 | ||
243 | void AIS_FixRelation::Compute(const Handle(PrsMgr_PresentationManager2d)& aPresentationManager2d, | |
244 | const Handle(Graphic2d_GraphicObject)& aGraphicObject, | |
245 | const Standard_Integer anInteger) | |
246 | { | |
247 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle(PrsMgr_PresentationManager2d)&,const Handle(Graphic2d_GraphicObject)&,const Standard_Integer)"); | |
248 | PrsMgr_PresentableObject::Compute( aPresentationManager2d ,aGraphicObject,anInteger) ; | |
249 | } | |
250 | ||
251 | //======================================================================= | |
252 | //function : Compute | |
253 | //purpose : | |
254 | //======================================================================= | |
255 | ||
256 | void AIS_FixRelation::Compute(const Handle_Prs3d_Projector& aProjector, | |
257 | const Handle_Geom_Transformation& aTransformation, | |
258 | const Handle_Prs3d_Presentation& aPresentation) | |
259 | { | |
260 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)"); | |
261 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; | |
262 | } | |
263 | ||
264 | //======================================================================= | |
265 | //function : ComputeSelection | |
266 | //purpose : | |
267 | //======================================================================= | |
268 | ||
269 | void AIS_FixRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, | |
270 | const Standard_Integer) | |
271 | { | |
272 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); | |
273 | ||
81bba717 | 274 | // creation of segment sensible for the linked segment |
275 | // of the shape fixed to symbol 'Fix' | |
7fd59977 | 276 | Handle(Select3D_SensitiveSegment) seg; |
277 | seg = new Select3D_SensitiveSegment(own, | |
278 | myPntAttach, | |
279 | myPosition); | |
280 | aSelection->Add(seg); | |
281 | ||
81bba717 | 282 | // Creation of the sensible zone of symbol 'Fix' |
7fd59977 | 283 | gp_Dir norm = myPlane->Axis().Direction(); |
284 | ||
285 | gp_Vec dirac(myPntAttach,myPosition); | |
286 | dirac.Normalize(); | |
287 | gp_Vec norac = dirac.Crossed(gp_Vec(norm)); | |
288 | gp_Ax1 ax(myPosition, norm); | |
c6541a0c | 289 | norac.Rotate(ax, M_PI/8); |
7fd59977 | 290 | |
291 | norac*=(myArrowSize/2); | |
292 | gp_Pnt P1 = myPosition.Translated(norac); | |
293 | gp_Pnt P2 = myPosition.Translated(-norac); | |
294 | seg = new Select3D_SensitiveSegment(own, | |
295 | P1, | |
296 | P2); | |
297 | aSelection->Add(seg); | |
298 | ||
299 | norac*=0.8; | |
300 | P1 = myPosition.Translated(norac); | |
301 | P2 = myPosition.Translated(-norac); | |
302 | dirac*=(myArrowSize/2); | |
303 | gp_Pnt PF(P1.XYZ()); | |
304 | gp_Pnt PL = PF.Translated(dirac); | |
305 | PL.Translate(norac); | |
306 | seg = new Select3D_SensitiveSegment(own, | |
307 | PF, | |
308 | PL); | |
309 | aSelection->Add(seg); | |
310 | ||
311 | ||
312 | PF.SetXYZ(P2.XYZ()); | |
313 | PL = PF.Translated(dirac); | |
314 | PL.Translate(norac); | |
315 | seg = new Select3D_SensitiveSegment(own, | |
316 | PF, | |
317 | PL); | |
318 | aSelection->Add(seg); | |
319 | ||
320 | PF.SetXYZ( (P1.XYZ() + P2.XYZ()) /2 ); | |
321 | PL = PF.Translated(dirac); | |
322 | PL.Translate(norac); | |
323 | seg = new Select3D_SensitiveSegment(own, | |
324 | PF, | |
325 | PL); | |
326 | } | |
327 | ||
328 | //======================================================================= | |
329 | //function : ComputeVertex | |
330 | //purpose : computes myPntAttach and the position of the presentation | |
331 | // when you fix a vertex | |
332 | //======================================================================= | |
333 | ||
334 | void AIS_FixRelation::ComputeVertex(const TopoDS_Vertex& /*FixVertex*/, | |
335 | gp_Pnt& curpos) | |
336 | { | |
337 | myPntAttach = BRep_Tool::Pnt(TopoDS::Vertex(myFShape)); | |
338 | curpos = myPosition; | |
339 | if (myAutomaticPosition) { | |
340 | gp_Pln pln(myPlane->Pln()); | |
341 | gp_Dir dir(pln.XAxis().Direction()); | |
342 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
343 | curpos = myPntAttach.Translated(transvec);; | |
344 | myPosition = curpos; | |
345 | myAutomaticPosition = Standard_True; | |
346 | } | |
347 | } | |
348 | ||
349 | //======================================================================= | |
350 | //function : ComputePosition | |
351 | //purpose : | |
352 | //======================================================================= | |
353 | ||
354 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv1, | |
355 | const Handle(Geom_Curve)& curv2, | |
356 | const gp_Pnt& firstp1, | |
357 | const gp_Pnt& lastp1, | |
358 | const gp_Pnt& firstp2, | |
359 | const gp_Pnt& lastp2) const | |
360 | { | |
361 | //--------------------------------------------------------- | |
81bba717 | 362 | // calculate the point of attach |
7fd59977 | 363 | //--------------------------------------------------------- |
364 | gp_Pnt curpos; | |
365 | ||
366 | if (curv1->IsInstance(STANDARD_TYPE(Geom_Circle)) || curv2->IsInstance(STANDARD_TYPE(Geom_Circle))) { | |
367 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv1); | |
368 | if (gcirc.IsNull()) gcirc = Handle(Geom_Circle)::DownCast(curv2); | |
369 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
370 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
371 | curpos = myPntAttach.Translated(transvec); | |
372 | } | |
373 | ||
374 | else { | |
375 | gp_Vec vec1(firstp1,lastp1); | |
376 | gp_Vec vec2(firstp2,lastp2); | |
377 | ||
378 | if (!vec1.IsParallel(vec2, Precision::Angular()) ) { | |
379 | gp_Dir dir; | |
380 | Standard_Real conf =Precision::Confusion(); | |
381 | if (lastp1.IsEqual(firstp2,conf) || firstp1.IsEqual(lastp2,conf)) dir.SetXYZ(vec1.XYZ() - vec2.XYZ()); | |
382 | else dir.SetXYZ(vec1.XYZ() + vec2.XYZ()); | |
383 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
384 | curpos = myPntAttach.Translated(transvec); | |
385 | } | |
386 | else { | |
387 | gp_Vec crossvec = vec1.Crossed(vec2); | |
388 | vec1.Cross(crossvec); | |
389 | gp_Dir dir(vec1); | |
390 | curpos = myPntAttach.Translated(gp_Vec(dir)*myArrowSize); | |
391 | } | |
392 | } | |
393 | ||
394 | return curpos; | |
395 | } | |
396 | ||
397 | //======================================================================= | |
398 | //function : ComputePosition | |
399 | //purpose : Computes the position of the "fix dimension" when the | |
400 | // fixed object is a vertex which is set at the intersection | |
401 | // of two curves. | |
402 | // The "dimension" is in the "middle" of the two edges. | |
403 | //======================================================================= | |
404 | ||
405 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv, | |
406 | const gp_Pnt& firstp, | |
407 | const gp_Pnt& lastp) const | |
408 | { | |
409 | //--------------------------------------------------------- | |
81bba717 | 410 | // calculate the point of attach |
7fd59977 | 411 | //--------------------------------------------------------- |
412 | gp_Pnt curpos; | |
413 | ||
414 | if (curv->IsKind(STANDARD_TYPE(Geom_Circle))) { | |
415 | ||
416 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv); | |
417 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
418 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
419 | curpos = myPntAttach.Translated(transvec); | |
420 | ||
421 | } //if (curv->IsKind(STANDARD_TYPE(Geom_Circle)) | |
422 | ||
423 | else { | |
424 | // gp_Pln pln(Component()->WorkingPlane()->Plane()->GetValue()->Pln()); | |
425 | gp_Pln pln(myPlane->Pln()); | |
426 | gp_Dir NormPln = pln.Axis().Direction(); | |
427 | gp_Vec vec(firstp,lastp); | |
428 | vec.Cross( gp_Vec(NormPln)); | |
429 | vec.Normalize(); | |
430 | gp_Vec transvec = vec*myArrowSize; | |
431 | curpos = myPntAttach.Translated(transvec); | |
432 | gp_Ax1 RotAx( myPntAttach, NormPln); | |
c6541a0c | 433 | curpos.Rotate(RotAx, M_PI/10); |
7fd59977 | 434 | } |
435 | ||
436 | return curpos; | |
437 | } | |
438 | ||
439 | //======================================================================= | |
440 | //function : ComputeEdge | |
441 | //purpose : computes myPntAttach and the position of the presentation | |
442 | // when you fix an edge | |
443 | //======================================================================= | |
444 | ||
445 | void AIS_FixRelation::ComputeEdge(const TopoDS_Edge& FixEdge, gp_Pnt& curpos) | |
446 | { | |
447 | Handle(Geom_Curve) curEdge; | |
448 | gp_Pnt ptbeg,ptend; | |
449 | if (!AIS::ComputeGeometry(FixEdge,curEdge,ptbeg,ptend)) return; | |
450 | ||
451 | //--------------------------------------------------------- | |
452 | // calcul du point de positionnement du symbole 'fix' | |
453 | //--------------------------------------------------------- | |
81bba717 | 454 | //--> In case of a straight line |
7fd59977 | 455 | if (curEdge->IsKind(STANDARD_TYPE(Geom_Line))){ |
456 | gp_Lin glin = Handle(Geom_Line)::DownCast(curEdge)->Lin(); | |
457 | Standard_Real pfirst(ElCLib::Parameter(glin,ptbeg)); | |
458 | Standard_Real plast(ElCLib::Parameter(glin,ptend)); | |
459 | ComputeLinePosition(glin, curpos, pfirst, plast); | |
460 | } | |
461 | ||
81bba717 | 462 | //--> In case of a circle |
7fd59977 | 463 | else if (curEdge->IsKind(STANDARD_TYPE(Geom_Circle))) { |
464 | gp_Circ gcirc = Handle(Geom_Circle)::DownCast(curEdge)->Circ(); | |
465 | Standard_Real pfirst, plast; | |
466 | BRepAdaptor_Curve cu(FixEdge); | |
467 | pfirst = cu.FirstParameter(); | |
468 | plast = cu.LastParameter(); | |
469 | ComputeCirclePosition(gcirc, curpos, pfirst, plast); | |
470 | } | |
471 | ||
472 | else | |
473 | return; | |
474 | ||
475 | } | |
476 | ||
477 | //======================================================================= | |
478 | //function : ComputeLinePosition | |
479 | //purpose : compute the values of myPntAttach and the position <pos> of | |
480 | // the symbol when the fixed edge has a geometric support equal | |
481 | // to a line. | |
482 | //======================================================================= | |
483 | ||
484 | void AIS_FixRelation::ComputeLinePosition(const gp_Lin& glin, | |
485 | gp_Pnt& pos, | |
486 | Standard_Real& pfirst, | |
487 | Standard_Real& plast) | |
488 | { | |
489 | if (myAutomaticPosition) { | |
81bba717 | 490 | // point of attach is chosen as middle of the segment |
7fd59977 | 491 | myPntAttach = ElCLib::Value((pfirst+ plast)/2, glin); |
492 | ||
493 | gp_Dir norm = myPlane ->Axis().Direction(); | |
494 | ||
495 | norm.Cross(glin.Position().Direction()); | |
496 | pos = myPntAttach.Translated(gp_Vec(norm)*myArrowSize); | |
497 | myAutomaticPosition = Standard_True; | |
498 | } // if (myAutomaticPosition) | |
499 | ||
500 | else { | |
501 | pos = myPosition; | |
502 | Standard_Real linparam = ElCLib::Parameter(glin, pos); | |
503 | ||
81bba717 | 504 | // case if the projection of position is located between 2 vertices |
7fd59977 | 505 | // de l'edge |
506 | if ( (linparam >= pfirst) && (linparam <= plast) ) | |
507 | myPntAttach = ElCLib::Value(linparam,glin); | |
508 | ||
81bba717 | 509 | // case if the projection of Position is outside of the limits |
510 | // of the edge : the point closest to the projection is chosen | |
511 | // as the attach point | |
7fd59977 | 512 | else { |
513 | Standard_Real pOnLin; | |
514 | if (linparam > plast) | |
515 | pOnLin = plast; | |
516 | else | |
517 | pOnLin = pfirst; | |
518 | myPntAttach = ElCLib::Value(pOnLin,glin); | |
519 | gp_Dir norm = myPlane->Axis().Direction(); | |
520 | ||
521 | norm.Cross(glin.Position().Direction()); | |
522 | gp_Lin lsup(myPntAttach, norm); | |
523 | Standard_Real parpos = ElCLib::Parameter(lsup,myPosition); | |
524 | pos = ElCLib::Value(parpos,lsup); | |
525 | } | |
526 | ||
527 | } | |
528 | myPosition = pos; | |
529 | } | |
530 | ||
531 | //======================================================================= | |
532 | //function : ComputeCirclePosition | |
533 | //purpose : compute the values of myPntAttach and the position <pos> of | |
534 | // the symbol when the fixed edge has a geometric support equal | |
535 | // to a circle. | |
536 | //======================================================================= | |
537 | ||
538 | void AIS_FixRelation::ComputeCirclePosition( | |
539 | const gp_Circ& gcirc, | |
540 | gp_Pnt& pos, | |
541 | Standard_Real& pfirst, | |
542 | Standard_Real& plast) | |
543 | { | |
81bba717 | 544 | // readjust parametres on the circle |
c6541a0c D |
545 | if (plast > 2*M_PI ) { |
546 | Standard_Real nbtours = Floor(plast / (2*M_PI)); | |
547 | plast -= nbtours*2*M_PI; | |
548 | pfirst -= nbtours*2*M_PI; | |
7fd59977 | 549 | } |
550 | ||
551 | if (myAutomaticPosition) { | |
81bba717 | 552 | // the point attach is the "middle" of the segment (relatively |
553 | // to the parametres of start and end vertices of the edge | |
7fd59977 | 554 | |
555 | Standard_Real circparam = (pfirst + plast)/2.; | |
556 | ||
557 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
558 | Standard_Real otherpar = circparam + M_PI; |
559 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 560 | circparam = otherpar; |
561 | } | |
562 | ||
563 | myPntAttach = ElCLib::Value(circparam, gcirc ); | |
564 | ||
565 | gp_Vec dir( gcirc.Location().XYZ(), myPntAttach.XYZ() ); | |
566 | dir.Normalize(); | |
567 | gp_Vec transvec = dir*myArrowSize; | |
568 | pos = myPntAttach.Translated(transvec); | |
569 | myPosition = pos; | |
570 | myAutomaticPosition = Standard_True; | |
571 | } // if (myAutomaticPosition) | |
572 | ||
573 | else { | |
81bba717 | 574 | // case if the projection of myPosition is outside of 2 |
575 | // vertices of the edge. In this case the parameter is readjusted | |
576 | // in the valid part of the circle | |
7fd59977 | 577 | pos = myPosition; |
578 | ||
579 | Standard_Real circparam = ElCLib::Parameter(gcirc, pos); | |
580 | ||
581 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
582 | Standard_Real otherpar = circparam + M_PI; |
583 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 584 | circparam = otherpar; |
585 | } | |
586 | ||
587 | myPntAttach = ElCLib::Value(circparam,gcirc); | |
588 | } | |
589 | } | |
590 | ||
591 | //======================================================================= | |
592 | //function : ConnectedEdges | |
593 | //purpose : | |
594 | //======================================================================= | |
595 | Standard_Boolean AIS_FixRelation::ConnectedEdges(const TopoDS_Wire& WIRE, | |
596 | const TopoDS_Vertex& V, | |
597 | TopoDS_Edge& E1, | |
598 | TopoDS_Edge& E2) | |
599 | { | |
600 | TopTools_IndexedDataMapOfShapeListOfShape vertexMap; | |
601 | TopExp::MapShapesAndAncestors (WIRE,TopAbs_VERTEX,TopAbs_EDGE,vertexMap); | |
602 | ||
603 | Standard_Boolean found(Standard_False); | |
604 | TopoDS_Vertex theVertex; | |
605 | for (Standard_Integer i=1; i<=vertexMap.Extent() && !found; i++) { | |
606 | if (vertexMap.FindKey(i).IsSame(V)) { | |
607 | theVertex = TopoDS::Vertex(vertexMap.FindKey(i)); | |
608 | found = Standard_True; | |
609 | } | |
610 | } | |
611 | if (!found) { | |
612 | E1.Nullify(); | |
613 | E2.Nullify(); | |
614 | return Standard_False; | |
615 | } | |
616 | ||
617 | TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(theVertex)); | |
618 | if (iterator.More()) { | |
619 | E1 = TopoDS::Edge(iterator.Value()); | |
620 | BRepAdaptor_Curve curv(E1); | |
621 | iterator.Next(); | |
622 | } | |
623 | else { | |
624 | E1.Nullify(); | |
625 | return Standard_False; | |
626 | } | |
627 | ||
628 | if (iterator.More()) { | |
629 | E2 = TopoDS::Edge(iterator.Value()); | |
630 | BRepAdaptor_Curve curv(E2); | |
631 | iterator.Next(); | |
632 | } | |
633 | else { | |
634 | E2.Nullify(); | |
635 | return Standard_False; | |
636 | } | |
637 | ||
638 | if (iterator.More()) { | |
639 | E1.Nullify(); | |
640 | E2.Nullify(); | |
641 | return Standard_False; | |
642 | } | |
643 | return Standard_True; | |
644 | } |