0024623: Visualization - improve selection mechanism
[occt.git] / src / AIS / AIS_SymmetricRelation.cxx
CommitLineData
b311480e 1// Created on: 1997-03-03
2// Created by: Jean-Pierre COMBE
3// Copyright (c) 1997-1999 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
7fd59977 17#include <Standard_NotImplemented.hxx>
18
19#include <AIS_SymmetricRelation.ixx>
20#include <AIS.hxx>
7fd59977 21
22#include <gce_MakeLin.hxx>
23#include <SelectMgr_EntityOwner.hxx>
f751596e 24#include <SelectMgr_Selection.hxx>
7fd59977 25#include <Select3D_SensitiveSegment.hxx>
26#include <Select3D_SensitiveBox.hxx>
27#include <Precision.hxx>
28#include <TopoDS.hxx>
29#include <BRep_Tool.hxx>
30#include <BRepAdaptor_Surface.hxx>
31#include <BRepAdaptor_Curve.hxx>
32#include <gp_Lin.hxx>
33#include <gp_Circ.hxx>
34#include <gp_Pnt.hxx>
35#include <ElCLib.hxx>
36#include <gp_Pln.hxx>
37#include <gp_Dir.hxx>
38#include <gp_Ax1.hxx>
39#include <gp_Ax2.hxx>
40
41#include <Geom_Plane.hxx>
42#include <Geom_Line.hxx>
43#include <Geom_Circle.hxx>
44#include <TopExp_Explorer.hxx>
45
46#include <Precision.hxx>
47#include <Prs3d_Drawer.hxx>
48#include <Prs3d_ArrowAspect.hxx>
a6eb515f 49#include <Prs3d_DimensionAspect.hxx>
7fd59977 50
51#include <DsgPrs_SymmetricPresentation.hxx>
52
53//=======================================================================
54//function : AIS_SymmetricRelation
55//purpose :
56//=======================================================================
57AIS_SymmetricRelation::AIS_SymmetricRelation(const TopoDS_Shape& aSymmTool,
58 const TopoDS_Shape& FirstShape,
59 const TopoDS_Shape& SecondShape,
60 const Handle(Geom_Plane)& aPlane)
61:AIS_Relation(),
62 myTool(aSymmTool)
63{
64 SetFirstShape(FirstShape);
65 SetSecondShape(SecondShape);
66 SetPlane(aPlane);
67 myPosition = aPlane->Pln().Location();
68}
69
70//=======================================================================
71//function : Compute
72//purpose :
73//=======================================================================
74void AIS_SymmetricRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
75 const Handle(Prs3d_Presentation)& aprs,
76 const Standard_Integer)
77{
78 aprs->Clear();
79
80 switch (myFShape.ShapeType()) {
81 case TopAbs_FACE :
82 {
83 // cas symetrie entre deux faces
84 ComputeTwoFacesSymmetric(aprs);
85 }
86 break;
87 case TopAbs_EDGE :
88 {
89 // cas symetrie entre deux edges
90 ComputeTwoEdgesSymmetric(aprs);
91 }
92 break;
93 case TopAbs_VERTEX :
94 {
95 // cas symetrie entre deux vertexs
96 ComputeTwoVerticesSymmetric(aprs);
97 }
98 break;
99 default:
100 break;
101 }
102 if (myTool.ShapeType() == TopAbs_EDGE) {
103 Handle(Geom_Curve) aCurve,extcurve;
104 gp_Pnt p1,p2;
105 Standard_Boolean isinfinite,isonplane;
106 if (AIS::ComputeGeometry(TopoDS::Edge(myTool),
107 aCurve,p1,p2,
108 extcurve,
109 isinfinite,
110 isonplane,
111 myPlane)) {
112 if (!extcurve.IsNull()) {
113 gp_Pnt pf, pl;
114 if (!isinfinite) {
115 pf = p1;
116 pl = p2;
117 }
118 if (isinfinite) aprs->SetInfiniteState(Standard_True);
119 ComputeProjEdgePresentation(aprs,TopoDS::Edge(myTool),aCurve,pf,pl);
120 }
121 }
122 }
123}
124
125//=======================================================================
126//function : Compute
127//purpose : to avoid warning at compilation (SUN)
128//=======================================================================
129void AIS_SymmetricRelation::Compute(const Handle(Prs3d_Projector)& /*aProjector*/,
130 const Handle(Prs3d_Presentation)& /*aPresentation*/)
131{
132// Standard_NotImplemented::Raise("AIS_SymmetricRelation::Compute(const Handle(Prs3d_Projector)&,const Handle(Prs3d_Presentation)&)");
133// PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
134}
135
857ffd5e 136void AIS_SymmetricRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
137 const Handle(Geom_Transformation)& aTransformation,
138 const Handle(Prs3d_Presentation)& aPresentation)
7fd59977 139{
857ffd5e 140 Standard_NotImplemented::Raise("AIS_SymmetricRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
7fd59977 141 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
142}
143
144//=======================================================================
145//function : ComputeSelection
146//purpose :
147//=======================================================================
148void AIS_SymmetricRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSel,
149 const Standard_Integer)
150{
151 Handle(Select3D_SensitiveSegment) seg;
152 Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
153 Standard_Real F,L;
154
155 Handle(Geom_Line) geom_axis,extcurve;
156 gp_Pnt p1,p2;
157 Standard_Boolean isinfinite,isonplane;
158 if (!AIS::ComputeGeometry(TopoDS::Edge(myTool),
159 geom_axis,p1,p2,
160 extcurve,
161 isinfinite,
162 isonplane,
163 myPlane)) return;
164
165 gp_Lin laxis (geom_axis->Lin());
166
167 if(myFShape.ShapeType() != TopAbs_VERTEX){
168 BRepAdaptor_Curve cu1(TopoDS::Edge(myFShape));
169
170 if(cu1.GetType() == GeomAbs_Line) {
171// gp_Lin L1 (myFAttach,myFDirAttach);
172 gp_Pnt PjAttachPnt1 = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
173 gp_Pnt PjOffSetPnt = ElCLib::Value(ElCLib::Parameter(laxis,myPosition),laxis);
174 Standard_Real h = fabs(PjOffSetPnt.Distance(PjAttachPnt1)/cos(myAxisDirAttach.Angle(myFDirAttach)));
175 gp_Vec VL1(myFDirAttach);
176 gp_Vec VLa(PjAttachPnt1,PjOffSetPnt);
177 Standard_Real scal = VL1.Dot(VLa);
178 if(scal < 0) VL1.Reverse();
179 VL1.Multiply(h);
180 gp_Pnt P1 = myFAttach.Translated(VL1);
181 gp_Pnt ProjAxis = ElCLib::Value(ElCLib::Parameter(laxis,P1),laxis);
182 gp_Vec v(P1,ProjAxis);
183 gp_Pnt P2 = ProjAxis.Translated(v);
184
185 gp_Lin L3;
186
187 if (!P1.IsEqual(P2,Precision::Confusion())) {
188 L3 = gce_MakeLin(P1,P2);
189 }
190 else {
191 L3 = gce_MakeLin(P1,myFDirAttach);
192 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
193 Handle(Select3D_SensitiveBox) box =
194 new Select3D_SensitiveBox(own,
195 myPosition.X(),
196 myPosition.Y(),
197 myPosition.Z(),
198 myPosition.X()+size,
199 myPosition.Y()+size,
200 myPosition.Z()+size);
201 aSel->Add(box);
202 }
203 Standard_Real parmin,parmax,parcur;
204 parmin = ElCLib::Parameter(L3,P1);
205 parmax = parmin;
206
207 parcur = ElCLib::Parameter(L3,P2);
208 parmin = Min(parmin,parcur);
209 parmax = Max(parmax,parcur);
210
211 parcur = ElCLib::Parameter(L3,myPosition);
212 parmin = Min(parmin,parcur);
213 parmax = Max(parmax,parcur);
214
215 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
216 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
217
218 if (!PointMin.IsEqual(PointMax,Precision::Confusion())) {
219 seg = new Select3D_SensitiveSegment(own,
220 PointMin,
221 PointMax);
222 aSel->Add(seg);
223 }
224 if (!myFAttach.IsEqual(P1,Precision::Confusion())) {
225 seg = new Select3D_SensitiveSegment(own,
226 myFAttach,
227 P1);
228 aSel->Add(seg);
229 }
230 if (!mySAttach.IsEqual(P2,Precision::Confusion())) {
231 seg = new Select3D_SensitiveSegment(own,
232 mySAttach,
233 P2);
234 aSel->Add(seg);
235 }
236 }
237
238 //=======================Pour les arcs======================
239 if(cu1.GetType() == GeomAbs_Circle) {
240 BRep_Tool::Curve(TopoDS::Edge(myFShape),F,L);
241// Handle(Geom_Circle) geom_circ1 = (Handle(Geom_Circle)&) BRep_Tool::Curve(TopoDS::Edge(myFShape),F,L);
242//JR/Hp
243 Handle(Geom_Curve) aGeomCurve = BRep_Tool::Curve(TopoDS::Edge(myFShape),F,L);
244 Handle(Geom_Circle) geom_circ1 = (Handle(Geom_Circle)&) aGeomCurve ;
245// Handle(Geom_Circle) geom_circ1 = (const Handle(Geom_Circle)&) BRep_Tool::Curve(TopoDS::Edge(myFShape),F,L);
246 gp_Circ circ1(geom_circ1->Circ());
247 gp_Pnt OffsetPnt(myPosition.X(),myPosition.Y(),myPosition.Z());
248 gp_Pnt Center1 = circ1.Location();
249 gp_Pnt ProjOffsetPoint = ElCLib::Value(ElCLib::Parameter(laxis,OffsetPnt),laxis);
250 gp_Pnt ProjCenter1 = ElCLib::Value(ElCLib::Parameter(laxis,Center1),laxis);
251 gp_Vec Vp(ProjCenter1,Center1);
252 if (Vp.Magnitude() <= Precision::Confusion()) Vp = gp_Vec(laxis.Direction())^myPlane->Pln().Position().Direction();
253 Standard_Real Dt,R,h;
254 Dt = ProjCenter1.Distance(ProjOffsetPoint);
255 R = circ1.Radius();
256 if (Dt > .999*R) {
257 Dt = .999*R;
258 gp_Vec Vout(ProjCenter1,ProjOffsetPoint);
259 ProjOffsetPoint = ProjCenter1.Translated(Vout.Divided(Vout.Magnitude()).Multiplied(Dt));
260 OffsetPnt = ProjOffsetPoint;
261 }
262 h = Sqrt(R*R - Dt*Dt);
263 gp_Pnt P1 = ProjOffsetPoint.Translated(Vp.Added(Vp.Divided(Vp.Magnitude()).Multiplied(h)));
264 gp_Vec v(P1,ProjOffsetPoint);
265 gp_Pnt P2 = ProjOffsetPoint.Translated(v);
266
267 gp_Lin L3;
268 if (!P1.IsEqual(P2,Precision::Confusion())) {
269 L3 = gce_MakeLin(P1,P2);
270 }
271 else {
272 L3 = gce_MakeLin(P1,laxis.Direction());
273 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
274 Handle(Select3D_SensitiveBox) box =
275 new Select3D_SensitiveBox(own,
276 myPosition.X(),
277 myPosition.Y(),
278 myPosition.Z(),
279 myPosition.X()+size,
280 myPosition.Y()+size,
281 myPosition.Z()+size);
282 aSel->Add(box);
283 }
284 Standard_Real parmin,parmax,parcur;
285 parmin = ElCLib::Parameter(L3,P1);
286 parmax = parmin;
287
288 parcur = ElCLib::Parameter(L3,P2);
289 parmin = Min(parmin,parcur);
290 parmax = Max(parmax,parcur);
291
292 parcur = ElCLib::Parameter(L3,myPosition);
293 parmin = Min(parmin,parcur);
294 parmax = Max(parmax,parcur);
295
296 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
297 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
298
299 if (!PointMin.IsEqual(PointMax,Precision::Confusion())) {
300 seg = new Select3D_SensitiveSegment(own,
301 PointMin,
302 PointMax);
303 aSel->Add(seg);
304 }
305 }
306 }
307 //=======================Pour les points======================
308 else {
309 if (myFAttach.IsEqual(mySAttach,Precision::Confusion())) {
310 seg = new Select3D_SensitiveSegment(own,myPosition,myFAttach);
311 aSel->Add(seg);
312 }
313 else{
314 gp_Pnt ProjOffsetPoint = ElCLib::Value(ElCLib::Parameter(laxis,myPosition),laxis);
315 gp_Pnt ProjAttachmentPoint1 = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
316 gp_Vec PjAtt1_Att1(ProjAttachmentPoint1,myFAttach);
317 gp_Pnt P1 = ProjOffsetPoint.Translated(PjAtt1_Att1);
318 gp_Pnt P2 = ProjOffsetPoint.Translated(PjAtt1_Att1.Reversed());
319 gp_Lin L3;
320
321 if (!P1.IsEqual(P2,Precision::Confusion())) {
322 L3 = gce_MakeLin(P1,P2);
323 }
324 else {
325 L3 = gce_MakeLin(P1,myFDirAttach);
326 Standard_Real size(Min(myVal/100.+1.e-6,myArrowSize+1.e-6));
327 Handle(Select3D_SensitiveBox) box =
328 new Select3D_SensitiveBox(own,
329 myPosition.X(),
330 myPosition.Y(),
331 myPosition.Z(),
332 myPosition.X()+size,
333 myPosition.Y()+size,
334 myPosition.Z()+size);
335 aSel->Add(box);
336 }
337 Standard_Real parmin,parmax,parcur;
338 parmin = ElCLib::Parameter(L3,P1);
339 parmax = parmin;
340
341 parcur = ElCLib::Parameter(L3,P2);
342 parmin = Min(parmin,parcur);
343 parmax = Max(parmax,parcur);
344
345 parcur = ElCLib::Parameter(L3,myPosition);
346 parmin = Min(parmin,parcur);
347 parmax = Max(parmax,parcur);
348
349 gp_Pnt PointMin = ElCLib::Value(parmin,L3);
350 gp_Pnt PointMax = ElCLib::Value(parmax,L3);
351
352 if (!PointMin.IsEqual(PointMax,Precision::Confusion())) {
353 seg = new Select3D_SensitiveSegment(own,PointMin,PointMax);
354 aSel->Add(seg);
355 }
356 if (!myFAttach.IsEqual(P1,Precision::Confusion())) {
357 seg = new Select3D_SensitiveSegment(own,myFAttach,P1);
358 aSel->Add(seg);
359 }
360 if (!mySAttach.IsEqual(P2,Precision::Confusion())) {
361 seg = new Select3D_SensitiveSegment(own,mySAttach,P2);
362 aSel->Add(seg);
363 }
364 }
365 }
366}
367
368//=======================================================================
369//function : ComputeTwoFacesSymmetric
370//purpose :
371//=======================================================================
372void AIS_SymmetricRelation::ComputeTwoFacesSymmetric(const Handle(Prs3d_Presentation)&)
373{
374}
375
376//=======================================================================
377//function : ComputeTwoEdgesSymmetric
378//purpose :
379//=======================================================================
380void AIS_SymmetricRelation::ComputeTwoEdgesSymmetric(const Handle(Prs3d_Presentation)& aprs)
381{
382 BRepAdaptor_Curve cu1(TopoDS::Edge(myFShape));
383 if (cu1.GetType() != GeomAbs_Line && cu1.GetType() != GeomAbs_Circle) return;
384 BRepAdaptor_Curve cu2(TopoDS::Edge(mySShape));
385 if (cu2.GetType() != GeomAbs_Line && cu2.GetType() != GeomAbs_Circle) return;
386// gp_Pnt pint3d,ptat11,ptat12,ptat21,ptat22;
387 gp_Pnt ptat11,ptat12,ptat21,ptat22;
388 Handle(Geom_Curve) geom1,geom2;
389 Standard_Boolean isInfinite1,isInfinite2;
390 Handle(Geom_Curve) extCurv;
391 if (!AIS::ComputeGeometry(TopoDS::Edge(myFShape),
392 TopoDS::Edge(mySShape),
393 myExtShape,
394 geom1,
395 geom2,
396 ptat11,
397 ptat12,
398 ptat21,
399 ptat22,
400 extCurv,
401 isInfinite1,isInfinite2,
402 myPlane)) {
403 return;
404 }
405 aprs->SetInfiniteState((isInfinite1 || isInfinite2) && (myExtShape !=0));
406 Handle(Geom_Line) geom_axis,extcurve;
407 gp_Pnt p1,p2;
408 Standard_Boolean isinfinite,isonplane;
409 if (!AIS::ComputeGeometry(TopoDS::Edge(myTool),
410 geom_axis,p1,p2,
411 extcurve,
412 isinfinite,
413 isonplane,
414 myPlane)) return;
415
416 gp_Lin laxis (geom_axis->Lin());
417 myAxisDirAttach = laxis.Direction();
418
419 if(cu1.GetType() == GeomAbs_Line){
420 const Handle(Geom_Line)& geom_lin1 = (Handle(Geom_Line)&) geom1;
421 gp_Lin l1(geom_lin1->Lin());
422 myFDirAttach = l1.Direction();
423 }
424 gp_Circ circ;
425 if(cu1.GetType() == GeomAbs_Circle){
426 const Handle(Geom_Circle)& geom_cir1 = (Handle(Geom_Circle)&) geom1;
427 gp_Circ c(geom_cir1->Circ());
428 circ = c;
429 }
430
431 // recherche points attache
432 gp_Pnt ProjOffset = ElCLib::Value(ElCLib::Parameter(laxis,myPosition),laxis);
433
434/*//----------------------------------------------------
435 //Quand on fait la symetrie de 2 edges consecutifs:
436 //
437 // :<-- Axe
438 // :
439 // /:\
440 // Edge n --->/ : \
441 // / : \<-- Edge n+1
442 // :
443 //----------------------------------------------------
444*/
445 Standard_Boolean idem = Standard_False;
446 if (isInfinite1 && isInfinite2) { // geom1 et geom2 sont des lignes
447 const gp_Lin& line2 = ((Handle(Geom_Line)&) geom2)->Lin();
448 if (myAutomaticPosition) {
449 myFAttach = ((Handle(Geom_Line)&) geom1)->Lin().Location();
450 mySAttach = ElCLib::Value(ElCLib::Parameter(line2,myFAttach),line2);
451 }
452 else {
453 const gp_Lin& line1 = ((Handle(Geom_Line)&) geom1)->Lin();
454 myFAttach = ElCLib::Value(ElCLib::Parameter(line1,myPosition),line1);
455 mySAttach = ElCLib::Value(ElCLib::Parameter(line2,myFAttach),line2);
456 }
457 }
458 else if (!isInfinite1 && !isInfinite2) {
459 if (ptat11.IsEqual(ptat21,Precision::Confusion())) {
460 myFAttach = ptat12;
461 mySAttach = ptat22;
462 idem = Standard_True;
463 }
464 if (ptat11.IsEqual(ptat22,Precision::Confusion())) {
465 myFAttach = ptat12;
466 mySAttach = ptat21;
467 idem = Standard_True;
468 }
469 if (ptat12.IsEqual(ptat21,Precision::Confusion())) {
470 myFAttach = ptat11;
471 mySAttach = ptat22;
472 idem = Standard_True;
473 }
474 if (ptat12.IsEqual(ptat22,Precision::Confusion())) {
475 myFAttach = ptat11;
476 mySAttach = ptat21;
477 idem = Standard_True;
478 }
479 if(!idem){
480 if( ProjOffset.SquareDistance(ptat11) > ProjOffset.SquareDistance(ptat12)) myFAttach = ptat12;
481 else myFAttach = ptat11;
482
483 if (ProjOffset.SquareDistance(ptat21) > ProjOffset.SquareDistance(ptat22)) mySAttach = ptat22;
484 else mySAttach = ptat21;
485 }
486 }
487 else if (isInfinite1) {// geom1 et geom2 sont des lignes
488 mySAttach = ptat21;
489 const gp_Lin& line1 = ((Handle(Geom_Line)&) geom1)->Lin();
490 myFAttach = ElCLib::Value(ElCLib::Parameter(line1,mySAttach),line1);
491 }
492 else if (isInfinite2) {// geom1 et geom2 sont des lignes
493 myFAttach = ptat11;
494 const gp_Lin& line2 = ((Handle(Geom_Line)&) geom2)->Lin();
495 mySAttach = ElCLib::Value(ElCLib::Parameter(line2,myFAttach),line2);
496 }
497
7fd59977 498 if( !myArrowSizeIsDefined )
7fd59977 499 myArrowSize = myFAttach.Distance(mySAttach)/50.;
500 //----------------------------------------------------
501
502 //----------------------------------------------------
503 // Si myFAttach <> mySAttach et PjFAttach = myFAttach
504 //----------------------------------------------------
505 gp_Pnt PjFAttach = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
506
507 if (PjFAttach.IsEqual(myFAttach,Precision::Confusion())){
508 const Handle(Geom_Line)& geom_lin2 = (Handle(Geom_Line)&) geom2;
509 gp_Lin l2(geom_lin2->Lin());
510 myFDirAttach = l2.Direction();
511 gp_Pnt PntTempo;
512 PntTempo = myFAttach;
513 myFAttach = mySAttach;
514 mySAttach = PntTempo;
515 PjFAttach = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
516 }
517
518 //----------------------------------------------------
519// gp_Pnt curpos;
520
521 if (myAutomaticPosition) {
522 //gp_Pnt PjFAttach = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
523 // offset pour eviter confusion Edge et Dimension
524 gp_Vec offset(myAxisDirAttach);
525 offset = offset * myArrowSize * (-5);
526 gp_Vec Vt(myFAttach, PjFAttach);
527 gp_Pnt curpos = PjFAttach.Translated(offset.Added(Vt.Multiplied(.15)));
528 myPosition = curpos;
529 }
530
531 gp_Pnt Pj1 = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
532 gp_Pnt Pj2 = ElCLib::Value(ElCLib::Parameter(laxis,mySAttach),laxis);
533 if ((myFAttach.SquareDistance(Pj1)+mySAttach.SquareDistance(Pj2)) <= Precision::Confusion()) myArrowSize = 0.;
a6eb515f 534 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
535 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
7fd59977 536 arr->SetLength(myArrowSize);
a6eb515f 537 arr = la->ArrowAspect();
7fd59977 538 arr->SetLength(myArrowSize);
539 if(cu1.GetType() == GeomAbs_Line)
540 DsgPrs_SymmetricPresentation::Add(aprs,
541 myDrawer,
542 myFAttach,
543 mySAttach,
544 myFDirAttach,
545 laxis,
546 myPosition);
547
548 if(cu1.GetType() == GeomAbs_Circle)
549 DsgPrs_SymmetricPresentation::Add(aprs,
550 myDrawer,
551 myFAttach,
552 mySAttach,
553 circ,
554 laxis,
555 myPosition);
556 if ( (myExtShape != 0) && !extCurv.IsNull()) {
557 gp_Pnt pf, pl;
558 if ( myExtShape == 1 ) {
559 if (!isInfinite1) {
560 pf = ptat11;
561 pl = ptat12;
562 }
563 ComputeProjEdgePresentation(aprs,TopoDS::Edge(myFShape),geom1,pf,pl);
564 }
565 else {
566 if (!isInfinite2) {
567 pf = ptat21;
568 pl = ptat22;
569 }
570 ComputeProjEdgePresentation(aprs,TopoDS::Edge(mySShape),geom2,pf,pl);
571 }
572 }
573}
574
575//=======================================================================
576//function : ComputeTwoVertexsSymmetric
577//purpose :
578//=======================================================================
579void AIS_SymmetricRelation::ComputeTwoVerticesSymmetric(const Handle(Prs3d_Presentation)& aprs)
580{
581 if(myFShape.ShapeType() != TopAbs_VERTEX || mySShape.ShapeType() != TopAbs_VERTEX) return;
582 Handle(Geom_Line) geom_axis,extcurve;
583 gp_Pnt p1,p2;
584 Standard_Boolean isinfinite,isonplane;
585 if (!AIS::ComputeGeometry(TopoDS::Edge(myTool),
586 geom_axis,p1,p2,
587 extcurve,
588 isinfinite,
589 isonplane,
590 myPlane)) return;
591
592 Standard_Boolean isOnPlane1, isOnPlane2;
593
594 AIS::ComputeGeometry(TopoDS::Vertex(myFShape), myFAttach, myPlane, isOnPlane1);
595 AIS::ComputeGeometry(TopoDS::Vertex(mySShape), mySAttach, myPlane, isOnPlane2);
596
7fd59977 597 if( !myArrowSizeIsDefined )
7fd59977 598 myArrowSize = myFAttach.Distance(mySAttach)/50.;
599
600 if (isOnPlane1 && isOnPlane2)
601 myExtShape = 0;
602 else if ( isOnPlane1 && !isOnPlane2)
603 myExtShape = 2;
604 else if (!isOnPlane1 && isOnPlane2)
605 myExtShape = 1;
606 else
607 return ;
608 gp_Lin laxis (geom_axis->Lin());
609 myAxisDirAttach = laxis.Direction();
610
611 // recherche points attache
612// gp_Pnt curpos;
613 if (myAutomaticPosition) {
614 gp_Pnt PjFAttach = ElCLib::Value(ElCLib::Parameter(laxis,myFAttach),laxis);
615 // offset pour eviter confusion Edge et Dimension
616 gp_Vec offset(myAxisDirAttach);
617 offset = offset * myArrowSize * (-5);
618 gp_Vec Vt(myFAttach, PjFAttach);
619 gp_Pnt curpos = PjFAttach.Translated(offset.Added(Vt.Multiplied(.15)));
620 myPosition = curpos;
621 }
622 if (2*(myFAttach.Distance(mySAttach)) <= Precision::Confusion()) myArrowSize = 0.;
a6eb515f 623 Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
624 Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
7fd59977 625 arr->SetLength(myArrowSize);
a6eb515f 626 arr = la->ArrowAspect();
7fd59977 627 arr->SetLength(myArrowSize);
628 DsgPrs_SymmetricPresentation::Add(aprs,
629 myDrawer,
630 myFAttach,
631 mySAttach,
632 laxis,
633 myPosition);
634 if ( myExtShape == 1)
635 ComputeProjVertexPresentation(aprs,TopoDS::Vertex(myFShape),myFAttach);
636 else if ( myExtShape == 2)
637 ComputeProjVertexPresentation(aprs,TopoDS::Vertex(mySShape),mySAttach);
638}
639
640
641
642
643
644