Commit | Line | Data |
---|---|---|
b311480e | 1 | // Created on: 1996-12-05 |
2 | // Created by: Flore Lantheaume/Odile Olivier | |
3 | // Copyright (c) 1996-1999 Matra Datavision | |
973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 5 | // |
973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
b311480e | 7 | // |
d5f74e42 | 8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
12 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 13 | // |
973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. | |
7fd59977 | 16 | |
17 | #define BUC60915 //GG 05/06/01 Enable to compute the requested arrow size | |
18 | // if any in all dimensions. | |
19 | ||
20 | #include <Standard_NotImplemented.hxx> | |
21 | ||
22 | #include <AIS_FixRelation.ixx> | |
23 | ||
24 | #include <AIS_Shape.hxx> | |
25 | ||
26 | #include <TopAbs_ShapeEnum.hxx> | |
27 | ||
28 | #include <SelectMgr_EntityOwner.hxx> | |
29 | #include <Select3D_SensitiveSegment.hxx> | |
30 | ||
31 | #include <BRep_Tool.hxx> | |
32 | #include <BRepAdaptor_Curve.hxx> | |
33 | ||
34 | #include <TopoDS.hxx> | |
35 | #include <TopoDS_Edge.hxx> | |
36 | #include <TopoDS_Vertex.hxx> | |
37 | #include <TopoDS_Wire.hxx> | |
38 | #include <TopExp.hxx> | |
39 | #include <TopLoc_Location.hxx> | |
40 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
41 | #include <TopTools_IndexedMapOfShape.hxx> | |
42 | #include <TopTools_ListIteratorOfListOfShape.hxx> | |
43 | ||
44 | #include <TColStd_ListIteratorOfListOfTransient.hxx> | |
45 | ||
46 | #include <Geom_Curve.hxx> | |
47 | #include <Geom_Line.hxx> | |
48 | #include <Geom_Circle.hxx> | |
49 | #include <Geom_Plane.hxx> | |
50 | ||
51 | #include <gp_Pnt.hxx> | |
52 | #include <gp_Vec.hxx> | |
53 | #include <gp_Dir.hxx> | |
54 | #include <gp_Ax1.hxx> | |
55 | #include <gp_XYZ.hxx> | |
56 | ||
57 | #include <ElCLib.hxx> | |
58 | #include <ElSLib.hxx> | |
59 | ||
60 | #include <Precision.hxx> | |
61 | ||
62 | #include <Standard_DomainError.hxx> | |
63 | ||
64 | #include <DsgPrs_FixPresentation.hxx> | |
65 | ||
66 | #include <AIS.hxx> | |
67 | ||
68 | static Standard_Boolean InDomain(const Standard_Real fpar, | |
69 | const Standard_Real lpar, | |
70 | const Standard_Real para) | |
71 | { | |
72 | if (fpar >= 0.) { | |
73 | return ((para >= fpar) && (para <= lpar)); | |
74 | } | |
c6541a0c | 75 | if (para >= (fpar+2*M_PI)) return Standard_True; |
7fd59977 | 76 | if (para <= lpar) return Standard_True; |
77 | return Standard_False; | |
78 | } | |
79 | ||
80 | //======================================================================= | |
81 | //function : Constructor | |
82 | //purpose : vertex Fix Relation | |
83 | //======================================================================= | |
84 | ||
85 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
86 | const Handle(Geom_Plane)& aPlane, | |
87 | const TopoDS_Wire& aWire) | |
88 | :AIS_Relation(), | |
258ff83b | 89 | myWire(aWire) |
7fd59977 | 90 | { |
91 | myFShape = aShape; | |
92 | myPlane = aPlane; | |
93 | myAutomaticPosition = Standard_True; | |
94 | myArrowSize = 5.; | |
95 | } | |
96 | ||
97 | //======================================================================= | |
98 | //function : Constructor | |
99 | //purpose : vertex Fix Relation | |
100 | //======================================================================= | |
101 | ||
102 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
103 | const Handle(Geom_Plane)& aPlane, | |
104 | const TopoDS_Wire& aWire, | |
105 | const gp_Pnt& aPosition, | |
106 | const Standard_Real anArrowSize) | |
107 | :AIS_Relation(), | |
258ff83b | 108 | myWire(aWire) |
7fd59977 | 109 | { |
110 | myFShape = aShape; | |
111 | myPlane = aPlane; | |
112 | myPosition = aPosition; | |
113 | #ifdef BUC60915 | |
114 | SetArrowSize( anArrowSize ); | |
115 | #else | |
116 | myArrowSize = anArrowSize; | |
117 | #endif | |
118 | myAutomaticPosition = Standard_False; | |
119 | } | |
120 | ||
121 | ||
122 | //======================================================================= | |
123 | //function : Constructor | |
124 | //purpose : edge (line or circle) Fix Relation | |
125 | //======================================================================= | |
126 | ||
127 | AIS_FixRelation::AIS_FixRelation(const TopoDS_Shape& aShape, | |
258ff83b | 128 | const Handle(Geom_Plane)& aPlane) |
7fd59977 | 129 | { |
130 | myFShape = aShape; | |
131 | myPlane = aPlane; | |
132 | myAutomaticPosition = Standard_True; | |
133 | myArrowSize = 5.; | |
134 | } | |
135 | ||
136 | //======================================================================= | |
137 | //function : Constructor | |
138 | //purpose : edge (line or circle) Fix Relation | |
139 | //======================================================================= | |
140 | ||
141 | AIS_FixRelation::AIS_FixRelation( | |
142 | const TopoDS_Shape& aShape, | |
143 | const Handle(Geom_Plane)& aPlane, | |
144 | const gp_Pnt& aPosition, | |
258ff83b | 145 | const Standard_Real anArrowSize) |
7fd59977 | 146 | { |
147 | myFShape = aShape; | |
148 | myPlane = aPlane; | |
149 | myPosition = aPosition; | |
150 | #ifdef BUC60915 | |
151 | SetArrowSize( anArrowSize ); | |
152 | #else | |
153 | myArrowSize = anArrowSize; | |
154 | #endif | |
155 | myAutomaticPosition = Standard_False; | |
156 | } | |
157 | ||
158 | //======================================================================= | |
159 | //function : Wire | |
160 | //purpose : | |
161 | //======================================================================= | |
162 | ||
163 | TopoDS_Wire AIS_FixRelation::Wire() | |
164 | { | |
165 | return myWire; | |
166 | } | |
167 | ||
168 | //======================================================================= | |
169 | //function : SetWire | |
170 | //purpose : | |
171 | //======================================================================= | |
172 | ||
173 | void AIS_FixRelation::SetWire(const TopoDS_Wire& aWire) | |
174 | { | |
175 | myWire = aWire; | |
176 | } | |
177 | ||
178 | ||
179 | //======================================================================= | |
180 | //function : Compute | |
181 | //purpose : | |
182 | //======================================================================= | |
183 | ||
184 | void AIS_FixRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&, | |
185 | const Handle(Prs3d_Presentation)& aPresentation, | |
186 | const Standard_Integer) | |
187 | { | |
188 | aPresentation->Clear(); | |
189 | ||
81bba717 | 190 | // Calculate position of the symbol and |
191 | // point of attach of the segment on the shape | |
7fd59977 | 192 | gp_Pnt curpos; |
193 | if (myFShape.ShapeType() == TopAbs_VERTEX) | |
194 | ComputeVertex(TopoDS::Vertex(myFShape), curpos); | |
195 | else if (myFShape.ShapeType() == TopAbs_EDGE) | |
196 | ComputeEdge(TopoDS::Edge(myFShape), curpos); | |
197 | ||
198 | const gp_Dir& nor = myPlane->Axis().Direction(); | |
199 | ||
200 | ||
81bba717 | 201 | // calculate presentation |
202 | // definition of the symbol size | |
7fd59977 | 203 | #ifdef BUC60915 |
204 | if( !myArrowSizeIsDefined ) | |
205 | #endif | |
206 | myArrowSize = 5.; | |
207 | ||
81bba717 | 208 | //creation of the presentation |
7fd59977 | 209 | DsgPrs_FixPresentation::Add(aPresentation, |
210 | myDrawer, | |
211 | myPntAttach, | |
212 | curpos, | |
213 | nor, | |
214 | myArrowSize); | |
215 | } | |
216 | ||
217 | //======================================================================= | |
218 | //function : Compute | |
219 | //purpose : to avoid warning | |
220 | //======================================================================= | |
221 | ||
222 | void AIS_FixRelation::Compute(const Handle(Prs3d_Projector)& aProjector, | |
223 | const Handle(Prs3d_Presentation)& aPresentation) | |
224 | { | |
225 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)"); | |
226 | PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ; | |
227 | } | |
228 | ||
7fd59977 | 229 | //======================================================================= |
230 | //function : Compute | |
231 | //purpose : | |
232 | //======================================================================= | |
233 | ||
857ffd5e | 234 | void AIS_FixRelation::Compute(const Handle(Prs3d_Projector)& aProjector, |
235 | const Handle(Geom_Transformation)& aTransformation, | |
236 | const Handle(Prs3d_Presentation)& aPresentation) | |
7fd59977 | 237 | { |
857ffd5e | 238 | // Standard_NotImplemented::Raise("AIS_FixRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)"); |
7fd59977 | 239 | PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ; |
240 | } | |
241 | ||
242 | //======================================================================= | |
243 | //function : ComputeSelection | |
244 | //purpose : | |
245 | //======================================================================= | |
246 | ||
247 | void AIS_FixRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection, | |
248 | const Standard_Integer) | |
249 | { | |
250 | Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7); | |
251 | ||
81bba717 | 252 | // creation of segment sensible for the linked segment |
253 | // of the shape fixed to symbol 'Fix' | |
7fd59977 | 254 | Handle(Select3D_SensitiveSegment) seg; |
255 | seg = new Select3D_SensitiveSegment(own, | |
256 | myPntAttach, | |
257 | myPosition); | |
258 | aSelection->Add(seg); | |
259 | ||
81bba717 | 260 | // Creation of the sensible zone of symbol 'Fix' |
7fd59977 | 261 | gp_Dir norm = myPlane->Axis().Direction(); |
262 | ||
263 | gp_Vec dirac(myPntAttach,myPosition); | |
264 | dirac.Normalize(); | |
265 | gp_Vec norac = dirac.Crossed(gp_Vec(norm)); | |
266 | gp_Ax1 ax(myPosition, norm); | |
c6541a0c | 267 | norac.Rotate(ax, M_PI/8); |
7fd59977 | 268 | |
269 | norac*=(myArrowSize/2); | |
270 | gp_Pnt P1 = myPosition.Translated(norac); | |
271 | gp_Pnt P2 = myPosition.Translated(-norac); | |
272 | seg = new Select3D_SensitiveSegment(own, | |
273 | P1, | |
274 | P2); | |
275 | aSelection->Add(seg); | |
276 | ||
277 | norac*=0.8; | |
278 | P1 = myPosition.Translated(norac); | |
279 | P2 = myPosition.Translated(-norac); | |
280 | dirac*=(myArrowSize/2); | |
281 | gp_Pnt PF(P1.XYZ()); | |
282 | gp_Pnt PL = PF.Translated(dirac); | |
283 | PL.Translate(norac); | |
284 | seg = new Select3D_SensitiveSegment(own, | |
285 | PF, | |
286 | PL); | |
287 | aSelection->Add(seg); | |
288 | ||
289 | ||
290 | PF.SetXYZ(P2.XYZ()); | |
291 | PL = PF.Translated(dirac); | |
292 | PL.Translate(norac); | |
293 | seg = new Select3D_SensitiveSegment(own, | |
294 | PF, | |
295 | PL); | |
296 | aSelection->Add(seg); | |
297 | ||
298 | PF.SetXYZ( (P1.XYZ() + P2.XYZ()) /2 ); | |
299 | PL = PF.Translated(dirac); | |
300 | PL.Translate(norac); | |
301 | seg = new Select3D_SensitiveSegment(own, | |
302 | PF, | |
303 | PL); | |
304 | } | |
305 | ||
306 | //======================================================================= | |
307 | //function : ComputeVertex | |
308 | //purpose : computes myPntAttach and the position of the presentation | |
309 | // when you fix a vertex | |
310 | //======================================================================= | |
311 | ||
312 | void AIS_FixRelation::ComputeVertex(const TopoDS_Vertex& /*FixVertex*/, | |
313 | gp_Pnt& curpos) | |
314 | { | |
315 | myPntAttach = BRep_Tool::Pnt(TopoDS::Vertex(myFShape)); | |
316 | curpos = myPosition; | |
317 | if (myAutomaticPosition) { | |
318 | gp_Pln pln(myPlane->Pln()); | |
319 | gp_Dir dir(pln.XAxis().Direction()); | |
320 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
321 | curpos = myPntAttach.Translated(transvec);; | |
322 | myPosition = curpos; | |
323 | myAutomaticPosition = Standard_True; | |
324 | } | |
325 | } | |
326 | ||
327 | //======================================================================= | |
328 | //function : ComputePosition | |
329 | //purpose : | |
330 | //======================================================================= | |
331 | ||
332 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv1, | |
333 | const Handle(Geom_Curve)& curv2, | |
334 | const gp_Pnt& firstp1, | |
335 | const gp_Pnt& lastp1, | |
336 | const gp_Pnt& firstp2, | |
337 | const gp_Pnt& lastp2) const | |
338 | { | |
339 | //--------------------------------------------------------- | |
81bba717 | 340 | // calculate the point of attach |
7fd59977 | 341 | //--------------------------------------------------------- |
342 | gp_Pnt curpos; | |
343 | ||
344 | if (curv1->IsInstance(STANDARD_TYPE(Geom_Circle)) || curv2->IsInstance(STANDARD_TYPE(Geom_Circle))) { | |
345 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv1); | |
346 | if (gcirc.IsNull()) gcirc = Handle(Geom_Circle)::DownCast(curv2); | |
347 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
348 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
349 | curpos = myPntAttach.Translated(transvec); | |
350 | } | |
351 | ||
352 | else { | |
353 | gp_Vec vec1(firstp1,lastp1); | |
354 | gp_Vec vec2(firstp2,lastp2); | |
355 | ||
356 | if (!vec1.IsParallel(vec2, Precision::Angular()) ) { | |
357 | gp_Dir dir; | |
358 | Standard_Real conf =Precision::Confusion(); | |
359 | if (lastp1.IsEqual(firstp2,conf) || firstp1.IsEqual(lastp2,conf)) dir.SetXYZ(vec1.XYZ() - vec2.XYZ()); | |
360 | else dir.SetXYZ(vec1.XYZ() + vec2.XYZ()); | |
361 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
362 | curpos = myPntAttach.Translated(transvec); | |
363 | } | |
364 | else { | |
365 | gp_Vec crossvec = vec1.Crossed(vec2); | |
366 | vec1.Cross(crossvec); | |
367 | gp_Dir dir(vec1); | |
368 | curpos = myPntAttach.Translated(gp_Vec(dir)*myArrowSize); | |
369 | } | |
370 | } | |
371 | ||
372 | return curpos; | |
373 | } | |
374 | ||
375 | //======================================================================= | |
376 | //function : ComputePosition | |
377 | //purpose : Computes the position of the "fix dimension" when the | |
378 | // fixed object is a vertex which is set at the intersection | |
379 | // of two curves. | |
380 | // The "dimension" is in the "middle" of the two edges. | |
381 | //======================================================================= | |
382 | ||
383 | gp_Pnt AIS_FixRelation::ComputePosition(const Handle(Geom_Curve)& curv, | |
384 | const gp_Pnt& firstp, | |
385 | const gp_Pnt& lastp) const | |
386 | { | |
387 | //--------------------------------------------------------- | |
81bba717 | 388 | // calculate the point of attach |
7fd59977 | 389 | //--------------------------------------------------------- |
390 | gp_Pnt curpos; | |
391 | ||
392 | if (curv->IsKind(STANDARD_TYPE(Geom_Circle))) { | |
393 | ||
394 | Handle(Geom_Circle) gcirc = Handle(Geom_Circle)::DownCast(curv); | |
395 | gp_Dir dir( gcirc->Location().XYZ() + myPntAttach.XYZ() ); | |
396 | gp_Vec transvec = gp_Vec(dir)*myArrowSize; | |
397 | curpos = myPntAttach.Translated(transvec); | |
398 | ||
399 | } //if (curv->IsKind(STANDARD_TYPE(Geom_Circle)) | |
400 | ||
401 | else { | |
402 | // gp_Pln pln(Component()->WorkingPlane()->Plane()->GetValue()->Pln()); | |
403 | gp_Pln pln(myPlane->Pln()); | |
404 | gp_Dir NormPln = pln.Axis().Direction(); | |
405 | gp_Vec vec(firstp,lastp); | |
406 | vec.Cross( gp_Vec(NormPln)); | |
407 | vec.Normalize(); | |
408 | gp_Vec transvec = vec*myArrowSize; | |
409 | curpos = myPntAttach.Translated(transvec); | |
410 | gp_Ax1 RotAx( myPntAttach, NormPln); | |
c6541a0c | 411 | curpos.Rotate(RotAx, M_PI/10); |
7fd59977 | 412 | } |
413 | ||
414 | return curpos; | |
415 | } | |
416 | ||
417 | //======================================================================= | |
418 | //function : ComputeEdge | |
419 | //purpose : computes myPntAttach and the position of the presentation | |
420 | // when you fix an edge | |
421 | //======================================================================= | |
422 | ||
423 | void AIS_FixRelation::ComputeEdge(const TopoDS_Edge& FixEdge, gp_Pnt& curpos) | |
424 | { | |
425 | Handle(Geom_Curve) curEdge; | |
426 | gp_Pnt ptbeg,ptend; | |
427 | if (!AIS::ComputeGeometry(FixEdge,curEdge,ptbeg,ptend)) return; | |
428 | ||
429 | //--------------------------------------------------------- | |
430 | // calcul du point de positionnement du symbole 'fix' | |
431 | //--------------------------------------------------------- | |
81bba717 | 432 | //--> In case of a straight line |
7fd59977 | 433 | if (curEdge->IsKind(STANDARD_TYPE(Geom_Line))){ |
434 | gp_Lin glin = Handle(Geom_Line)::DownCast(curEdge)->Lin(); | |
435 | Standard_Real pfirst(ElCLib::Parameter(glin,ptbeg)); | |
436 | Standard_Real plast(ElCLib::Parameter(glin,ptend)); | |
437 | ComputeLinePosition(glin, curpos, pfirst, plast); | |
438 | } | |
439 | ||
81bba717 | 440 | //--> In case of a circle |
7fd59977 | 441 | else if (curEdge->IsKind(STANDARD_TYPE(Geom_Circle))) { |
442 | gp_Circ gcirc = Handle(Geom_Circle)::DownCast(curEdge)->Circ(); | |
443 | Standard_Real pfirst, plast; | |
444 | BRepAdaptor_Curve cu(FixEdge); | |
445 | pfirst = cu.FirstParameter(); | |
446 | plast = cu.LastParameter(); | |
447 | ComputeCirclePosition(gcirc, curpos, pfirst, plast); | |
448 | } | |
449 | ||
450 | else | |
451 | return; | |
452 | ||
453 | } | |
454 | ||
455 | //======================================================================= | |
456 | //function : ComputeLinePosition | |
457 | //purpose : compute the values of myPntAttach and the position <pos> of | |
458 | // the symbol when the fixed edge has a geometric support equal | |
459 | // to a line. | |
460 | //======================================================================= | |
461 | ||
462 | void AIS_FixRelation::ComputeLinePosition(const gp_Lin& glin, | |
463 | gp_Pnt& pos, | |
464 | Standard_Real& pfirst, | |
465 | Standard_Real& plast) | |
466 | { | |
467 | if (myAutomaticPosition) { | |
81bba717 | 468 | // point of attach is chosen as middle of the segment |
7fd59977 | 469 | myPntAttach = ElCLib::Value((pfirst+ plast)/2, glin); |
470 | ||
471 | gp_Dir norm = myPlane ->Axis().Direction(); | |
472 | ||
473 | norm.Cross(glin.Position().Direction()); | |
474 | pos = myPntAttach.Translated(gp_Vec(norm)*myArrowSize); | |
475 | myAutomaticPosition = Standard_True; | |
476 | } // if (myAutomaticPosition) | |
477 | ||
478 | else { | |
479 | pos = myPosition; | |
480 | Standard_Real linparam = ElCLib::Parameter(glin, pos); | |
481 | ||
81bba717 | 482 | // case if the projection of position is located between 2 vertices |
7fd59977 | 483 | // de l'edge |
484 | if ( (linparam >= pfirst) && (linparam <= plast) ) | |
485 | myPntAttach = ElCLib::Value(linparam,glin); | |
486 | ||
81bba717 | 487 | // case if the projection of Position is outside of the limits |
488 | // of the edge : the point closest to the projection is chosen | |
489 | // as the attach point | |
7fd59977 | 490 | else { |
491 | Standard_Real pOnLin; | |
492 | if (linparam > plast) | |
493 | pOnLin = plast; | |
494 | else | |
495 | pOnLin = pfirst; | |
496 | myPntAttach = ElCLib::Value(pOnLin,glin); | |
497 | gp_Dir norm = myPlane->Axis().Direction(); | |
498 | ||
499 | norm.Cross(glin.Position().Direction()); | |
500 | gp_Lin lsup(myPntAttach, norm); | |
501 | Standard_Real parpos = ElCLib::Parameter(lsup,myPosition); | |
502 | pos = ElCLib::Value(parpos,lsup); | |
503 | } | |
504 | ||
505 | } | |
506 | myPosition = pos; | |
507 | } | |
508 | ||
509 | //======================================================================= | |
510 | //function : ComputeCirclePosition | |
511 | //purpose : compute the values of myPntAttach and the position <pos> of | |
512 | // the symbol when the fixed edge has a geometric support equal | |
513 | // to a circle. | |
514 | //======================================================================= | |
515 | ||
516 | void AIS_FixRelation::ComputeCirclePosition( | |
517 | const gp_Circ& gcirc, | |
518 | gp_Pnt& pos, | |
519 | Standard_Real& pfirst, | |
520 | Standard_Real& plast) | |
521 | { | |
81bba717 | 522 | // readjust parametres on the circle |
c6541a0c D |
523 | if (plast > 2*M_PI ) { |
524 | Standard_Real nbtours = Floor(plast / (2*M_PI)); | |
525 | plast -= nbtours*2*M_PI; | |
526 | pfirst -= nbtours*2*M_PI; | |
7fd59977 | 527 | } |
528 | ||
529 | if (myAutomaticPosition) { | |
81bba717 | 530 | // the point attach is the "middle" of the segment (relatively |
531 | // to the parametres of start and end vertices of the edge | |
7fd59977 | 532 | |
533 | Standard_Real circparam = (pfirst + plast)/2.; | |
534 | ||
535 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
536 | Standard_Real otherpar = circparam + M_PI; |
537 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 538 | circparam = otherpar; |
539 | } | |
540 | ||
541 | myPntAttach = ElCLib::Value(circparam, gcirc ); | |
542 | ||
543 | gp_Vec dir( gcirc.Location().XYZ(), myPntAttach.XYZ() ); | |
544 | dir.Normalize(); | |
545 | gp_Vec transvec = dir*myArrowSize; | |
546 | pos = myPntAttach.Translated(transvec); | |
547 | myPosition = pos; | |
548 | myAutomaticPosition = Standard_True; | |
549 | } // if (myAutomaticPosition) | |
550 | ||
551 | else { | |
81bba717 | 552 | // case if the projection of myPosition is outside of 2 |
553 | // vertices of the edge. In this case the parameter is readjusted | |
554 | // in the valid part of the circle | |
7fd59977 | 555 | pos = myPosition; |
556 | ||
557 | Standard_Real circparam = ElCLib::Parameter(gcirc, pos); | |
558 | ||
559 | if ( !InDomain(pfirst,plast,circparam)) { | |
c6541a0c D |
560 | Standard_Real otherpar = circparam + M_PI; |
561 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 562 | circparam = otherpar; |
563 | } | |
564 | ||
565 | myPntAttach = ElCLib::Value(circparam,gcirc); | |
566 | } | |
567 | } | |
568 | ||
569 | //======================================================================= | |
570 | //function : ConnectedEdges | |
571 | //purpose : | |
572 | //======================================================================= | |
573 | Standard_Boolean AIS_FixRelation::ConnectedEdges(const TopoDS_Wire& WIRE, | |
574 | const TopoDS_Vertex& V, | |
575 | TopoDS_Edge& E1, | |
576 | TopoDS_Edge& E2) | |
577 | { | |
578 | TopTools_IndexedDataMapOfShapeListOfShape vertexMap; | |
579 | TopExp::MapShapesAndAncestors (WIRE,TopAbs_VERTEX,TopAbs_EDGE,vertexMap); | |
580 | ||
581 | Standard_Boolean found(Standard_False); | |
582 | TopoDS_Vertex theVertex; | |
583 | for (Standard_Integer i=1; i<=vertexMap.Extent() && !found; i++) { | |
584 | if (vertexMap.FindKey(i).IsSame(V)) { | |
585 | theVertex = TopoDS::Vertex(vertexMap.FindKey(i)); | |
586 | found = Standard_True; | |
587 | } | |
588 | } | |
589 | if (!found) { | |
590 | E1.Nullify(); | |
591 | E2.Nullify(); | |
592 | return Standard_False; | |
593 | } | |
594 | ||
595 | TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(theVertex)); | |
596 | if (iterator.More()) { | |
597 | E1 = TopoDS::Edge(iterator.Value()); | |
598 | BRepAdaptor_Curve curv(E1); | |
599 | iterator.Next(); | |
600 | } | |
601 | else { | |
602 | E1.Nullify(); | |
603 | return Standard_False; | |
604 | } | |
605 | ||
606 | if (iterator.More()) { | |
607 | E2 = TopoDS::Edge(iterator.Value()); | |
608 | BRepAdaptor_Curve curv(E2); | |
609 | iterator.Next(); | |
610 | } | |
611 | else { | |
612 | E2.Nullify(); | |
613 | return Standard_False; | |
614 | } | |
615 | ||
616 | if (iterator.More()) { | |
617 | E1.Nullify(); | |
618 | E2.Nullify(); | |
619 | return Standard_False; | |
620 | } | |
621 | return Standard_True; | |
622 | } |