/
SketchObject.cpp
5310 lines (4484 loc) · 232 KB
/
SketchObject.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2008 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <TopoDS_Shape.hxx>
# include <TopoDS_Face.hxx>
# include <TopoDS_Edge.hxx>
# include <TopoDS.hxx>
# include <TopExp_Explorer.hxx>
# include <gp_Pln.hxx>
# include <gp_Ax3.hxx>
# include <gp_Circ.hxx>
# include <gp_Elips.hxx>
# include <gp_Hypr.hxx>
# include <gp_Parab.hxx>
# include <BRepAdaptor_Surface.hxx>
# include <BRepAdaptor_Curve.hxx>
# include <BRep_Tool.hxx>
# include <Geom_Line.hxx>
# include <Geom_Plane.hxx>
# include <Geom_Circle.hxx>
# include <Geom_Ellipse.hxx>
# include <Geom_Hyperbola.hxx>
# include <Geom_Parabola.hxx>
# include <Geom_BSplineCurve.hxx>
# include <Geom_TrimmedCurve.hxx>
# include <GeomAPI_ProjectPointOnSurf.hxx>
# include <BRepOffsetAPI_NormalProjection.hxx>
# include <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeEdge.hxx>
# include <GeomAPI_IntSS.hxx>
# include <BRepProj_Projection.hxx>
# include <GeomConvert_BSplineCurveKnotSplitting.hxx>
# include <TColStd_Array1OfInteger.hxx>
# include <GC_MakeCircle.hxx>
# include <Standard_Version.hxx>
# include <cmath>
# include <vector>
#endif
#include <boost/bind.hpp>
#include <App/Document.h>
#include <App/FeaturePythonPyImp.h>
#include <App/Part.h>
#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Tools.h>
#include <Base/Console.h>
#include <Base/Vector3D.h>
#include <App/OriginFeature.h>
#include <Mod/Part/App/Geometry.h>
#include <Mod/Part/App/DatumFeature.h>
#include <Mod/Part/App/BodyBase.h>
#include "SketchObject.h"
#include "Sketch.h"
#include <Mod/Sketcher/App/SketchObjectPy.h>
using namespace Sketcher;
using namespace Base;
const int GeoEnum::RtPnt = -1;
const int GeoEnum::HAxis = -1;
const int GeoEnum::VAxis = -2;
const int GeoEnum::RefExt = -3;
PROPERTY_SOURCE(Sketcher::SketchObject, Part::Part2DObject)
SketchObject::SketchObject()
{
ADD_PROPERTY_TYPE(Geometry, (0) ,"Sketch",(App::PropertyType)(App::Prop_None),"Sketch geometry");
ADD_PROPERTY_TYPE(Constraints, (0) ,"Sketch",(App::PropertyType)(App::Prop_None),"Sketch constraints");
ADD_PROPERTY_TYPE(ExternalGeometry,(0,0),"Sketch",(App::PropertyType)(App::Prop_None),"Sketch external geometry");
allowOtherBody = true;
for (std::vector<Part::Geometry *>::iterator it=ExternalGeo.begin(); it != ExternalGeo.end(); ++it)
if (*it) delete *it;
ExternalGeo.clear();
Part::GeomLineSegment *HLine = new Part::GeomLineSegment();
Part::GeomLineSegment *VLine = new Part::GeomLineSegment();
HLine->setPoints(Base::Vector3d(0,0,0),Base::Vector3d(1,0,0));
VLine->setPoints(Base::Vector3d(0,0,0),Base::Vector3d(0,1,0));
HLine->Construction = true;
VLine->Construction = true;
ExternalGeo.push_back(HLine);
ExternalGeo.push_back(VLine);
rebuildVertexIndex();
lastDoF=0;
lastHasConflict=false;
lastHasRedundancies=false;
lastSolverStatus=0;
lastSolveTime=0;
solverNeedsUpdate=false;
noRecomputes=false;
ExpressionEngine.setValidator(boost::bind(&Sketcher::SketchObject::validateExpression, this, _1, _2));
constraintsRemovedConn = Constraints.signalConstraintsRemoved.connect(boost::bind(&Sketcher::SketchObject::constraintsRemoved, this, _1));
constraintsRenamedConn = Constraints.signalConstraintsRenamed.connect(boost::bind(&Sketcher::SketchObject::constraintsRenamed, this, _1));
}
SketchObject::~SketchObject()
{
for (std::vector<Part::Geometry *>::iterator it=ExternalGeo.begin(); it != ExternalGeo.end(); ++it)
if (*it) delete *it;
ExternalGeo.clear();
}
App::DocumentObjectExecReturn *SketchObject::execute(void)
{
try {
App::DocumentObjectExecReturn* rtn = Part2DObject::execute();//to positionBySupport
if(rtn!=App::DocumentObject::StdReturn)
//error
return rtn;
}
catch (const Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
// setup and diagnose the sketch
try {
rebuildExternalGeometry();
}
catch (const Base::Exception& e) {
Base::Console().Error("%s\nClear constraints to external geometry\n", e.what());
// we cannot trust the constraints of external geometries, so remove them
delConstraintsToExternal();
}
// We should have an updated Sketcher geometry or this execute should not have happened
// therefore we update our sketch object geometry with the SketchObject one.
//
// set up a sketch (including dofs counting and diagnosing of conflicts)
lastDoF = solvedSketch.setUpSketch(getCompleteGeometry(), Constraints.getValues(),
getExternalGeometryCount());
lastHasConflict = solvedSketch.hasConflicts();
lastHasRedundancies = solvedSketch.hasRedundancies();
lastConflicting=solvedSketch.getConflicting();
lastRedundant=solvedSketch.getRedundant();
lastSolveTime=0.0;
lastSolverStatus=GCS::Failed; // Failure is default for notifying the user unless otherwise proven
solverNeedsUpdate=false;
if (lastDoF < 0) { // over-constrained sketch
std::string msg="Over-constrained sketch\n";
appendConflictMsg(lastConflicting, msg);
return new App::DocumentObjectExecReturn(msg.c_str(),this);
}
if (lastHasConflict) { // conflicting constraints
std::string msg="Sketch with conflicting constraints\n";
appendConflictMsg(lastConflicting, msg);
return new App::DocumentObjectExecReturn(msg.c_str(),this);
}
if (lastHasRedundancies) { // redundant constraints
std::string msg="Sketch with redundant constraints\n";
appendRedundantMsg(lastRedundant, msg);
return new App::DocumentObjectExecReturn(msg.c_str(),this);
}
// solve the sketch
lastSolverStatus=solvedSketch.solve();
lastSolveTime=solvedSketch.SolveTime;
if (lastSolverStatus != 0)
return new App::DocumentObjectExecReturn("Solving the sketch failed",this);
std::vector<Part::Geometry *> geomlist = solvedSketch.extractGeometry();
Geometry.setValues(geomlist);
for (std::vector<Part::Geometry *>::iterator it=geomlist.begin(); it != geomlist.end(); ++it)
if (*it) delete *it;
// this is not necessary for sketch representation in edit mode, unless we want to trigger an update of
// the objects that depend on this sketch (like pads)
Shape.setValue(solvedSketch.toShape());
return App::DocumentObject::StdReturn;
}
int SketchObject::hasConflicts(void) const
{
if (lastDoF < 0) // over-constrained sketch
return -2;
if (solvedSketch.hasConflicts()) // conflicting constraints
return -1;
return 0;
}
int SketchObject::solve(bool updateGeoAfterSolving/*=true*/)
{
// if updateGeoAfterSolving=false, the solver information is updated, but the Sketch is nothing
// updated. It is useful to avoid triggering an OnChange when the goeometry did not change but
// the solver needs to be updated.
// We should have an updated Sketcher geometry or this solver should not have happened
// therefore we update our sketch object geometry with the SketchObject one.
//
// set up a sketch (including dofs counting and diagnosing of conflicts)
lastDoF = solvedSketch.setUpSketch(getCompleteGeometry(), Constraints.getValues(),
getExternalGeometryCount());
solverNeedsUpdate=false;
lastHasConflict = solvedSketch.hasConflicts();
int err=0;
if (lastDoF < 0) { // over-constrained sketch
err = -3;
// if lastDoF<0, then an over-constrained situation has ensued.
// Geometry is not to be updated, as geometry can not follow the constraints.
// However, solver information must be updated.
this->Constraints.touch();
}
else if (lastHasConflict) { // conflicting constraints
err = -3;
}
else {
lastSolverStatus=solvedSketch.solve();
if (lastSolverStatus != 0){ // solving
err = -2;
// if solver failed, geometry was never updated, but invalid constraints were likely added before
// solving (see solve in addConstraint), so solver information is definitely invalid.
this->Constraints.touch();
}
}
lastHasRedundancies = solvedSketch.hasRedundancies();
lastConflicting=solvedSketch.getConflicting();
lastRedundant=solvedSketch.getRedundant();
lastSolveTime=solvedSketch.SolveTime;
if (err == 0 && updateGeoAfterSolving) {
// set the newly solved geometry
std::vector<Part::Geometry *> geomlist = solvedSketch.extractGeometry();
Geometry.setValues(geomlist);
for (std::vector<Part::Geometry *>::iterator it = geomlist.begin(); it != geomlist.end(); ++it)
if (*it) delete *it;
}
return err;
}
int SketchObject::setDatum(int ConstrId, double Datum)
{
// set the changed value for the constraint
if (this->Constraints.hasInvalidGeometry())
return -6;
const std::vector<Constraint *> &vals = this->Constraints.getValues();
if (ConstrId < 0 || ConstrId >= int(vals.size()))
return -1;
ConstraintType type = vals[ConstrId]->Type;
if (type != Distance &&
type != DistanceX &&
type != DistanceY &&
type != Radius &&
type != Angle &&
type != Tangent && //for tangent, value==0 is autodecide, value==Pi/2 is external and value==-Pi/2 is internal
type != Perpendicular &&
type != SnellsLaw)
return -1;
if ((type == Distance || type == Radius) && Datum <= 0)
return (Datum == 0) ? -5 : -4;
// copy the list
std::vector<Constraint *> newVals(vals);
// clone the changed Constraint
Constraint *constNew = vals[ConstrId]->clone();
constNew->setValue(Datum);
newVals[ConstrId] = constNew;
this->Constraints.setValues(newVals);
delete constNew;
int err = solve();
if (err)
this->Constraints.setValues(vals);
return err;
}
int SketchObject::setDriving(int ConstrId, bool isdriving)
{
const std::vector<Constraint *> &vals = this->Constraints.getValues();
if (ConstrId < 0 || ConstrId >= int(vals.size()))
return -1;
ConstraintType type = vals[ConstrId]->Type;
if (type != Distance &&
type != DistanceX &&
type != DistanceY &&
type != Radius &&
type != Angle &&
type != SnellsLaw)
return -2;
if (!(vals[ConstrId]->First>=0 || vals[ConstrId]->Second>=0 || vals[ConstrId]->Third>=0) && isdriving==true)
return -3; // a constraint that does not have at least one element as not-external-geometry can never be driving.
// copy the list
std::vector<Constraint *> newVals(vals);
// clone the changed Constraint
Constraint *constNew = vals[ConstrId]->clone();
constNew->isDriving = isdriving;
newVals[ConstrId] = constNew;
this->Constraints.setValues(newVals);
if (!isdriving)
setExpression(Constraints.createPath(ConstrId), boost::shared_ptr<App::Expression>());
delete constNew;
if(noRecomputes) // if we do not have a recompute, the sketch must be solved to update the DoF of the solver
solve();
return 0;
}
int SketchObject::getDriving(int ConstrId, bool &isdriving)
{
const std::vector<Constraint *> &vals = this->Constraints.getValues();
if (ConstrId < 0 || ConstrId >= int(vals.size()))
return -1;
ConstraintType type = vals[ConstrId]->Type;
if (type != Distance &&
type != DistanceX &&
type != DistanceY &&
type != Radius &&
type != Angle &&
type != SnellsLaw)
return -1;
isdriving=vals[ConstrId]->isDriving;
return 0;
}
int SketchObject::toggleDriving(int ConstrId)
{
const std::vector<Constraint *> &vals = this->Constraints.getValues();
if (ConstrId < 0 || ConstrId >= int(vals.size()))
return -1;
ConstraintType type = vals[ConstrId]->Type;
if (type != Distance &&
type != DistanceX &&
type != DistanceY &&
type != Radius &&
type != Angle &&
type != SnellsLaw)
return -2;
if (!(vals[ConstrId]->First>=0 || vals[ConstrId]->Second>=0 || vals[ConstrId]->Third>=0) && vals[ConstrId]->isDriving==false)
return -3; // a constraint that does not have at least one element as not-external-geometry can never be driving.
// copy the list
std::vector<Constraint *> newVals(vals);
// clone the changed Constraint
Constraint *constNew = vals[ConstrId]->clone();
constNew->isDriving = !constNew->isDriving;
newVals[ConstrId] = constNew;
this->Constraints.setValues(newVals);
if (!constNew->isDriving)
setExpression(Constraints.createPath(ConstrId), boost::shared_ptr<App::Expression>());
delete constNew;
if(noRecomputes) // if we do not have a recompute, the sketch must be solved to update the DoF of the solver
solve();
return 0;
}
int SketchObject::setUpSketch()
{
return solvedSketch.setUpSketch(getCompleteGeometry(), Constraints.getValues(),
getExternalGeometryCount());
}
int SketchObject::movePoint(int GeoId, PointPos PosId, const Base::Vector3d& toPoint, bool relative, bool updateGeoBeforeMoving)
{
// if we are moving a point at SketchObject level, we need to start from a solved sketch
// if we have conflicts we can forget about moving. However, there is the possibility that we
// need to do programatically moves of new geometry that has not been solved yet and that because
// they were programmetically generated won't generate a conflict. This is the case of Fillet for
// example. This is why exceptionally, it may be required to update the sketch geometry to that of
// of SketchObject upon moving. => use updateGeometry parameter = true then
if(updateGeoBeforeMoving || solverNeedsUpdate) {
lastDoF = solvedSketch.setUpSketch(getCompleteGeometry(), Constraints.getValues(),
getExternalGeometryCount());
lastHasConflict = solvedSketch.hasConflicts();
lastHasRedundancies = solvedSketch.hasRedundancies();
lastConflicting=solvedSketch.getConflicting();
lastRedundant=solvedSketch.getRedundant();
solverNeedsUpdate=false;
}
if (lastDoF < 0) // over-constrained sketch
return -1;
if (lastHasConflict) // conflicting constraints
return -1;
// move the point and solve
lastSolverStatus = solvedSketch.movePoint(GeoId, PosId, toPoint, relative);
// moving the point can not result in a conflict that we did not have
// or a redundancy that we did not have before, or a change of DoF
if (lastSolverStatus == 0) {
std::vector<Part::Geometry *> geomlist = solvedSketch.extractGeometry();
Geometry.setValues(geomlist);
//Constraints.acceptGeometry(getCompleteGeometry());
for (std::vector<Part::Geometry *>::iterator it=geomlist.begin(); it != geomlist.end(); ++it) {
if (*it) delete *it;
}
}
return lastSolverStatus;
}
Base::Vector3d SketchObject::getPoint(int GeoId, PointPos PosId) const
{
if(!(GeoId == H_Axis || GeoId == V_Axis
|| (GeoId <= getHighestCurveIndex() && GeoId >= -getExternalGeometryCount()) ))
throw Base::Exception("SketchObject::getPoint. Invalid GeoId was supplied.");
const Part::Geometry *geo = getGeometry(GeoId);
if (geo->getTypeId() == Part::GeomPoint::getClassTypeId()) {
const Part::GeomPoint *p = static_cast<const Part::GeomPoint*>(geo);
if (PosId == start || PosId == mid || PosId == end)
return p->getPoint();
} else if (geo->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
const Part::GeomLineSegment *lineSeg = static_cast<const Part::GeomLineSegment*>(geo);
if (PosId == start)
return lineSeg->getStartPoint();
else if (PosId == end)
return lineSeg->getEndPoint();
} else if (geo->getTypeId() == Part::GeomCircle::getClassTypeId()) {
const Part::GeomCircle *circle = static_cast<const Part::GeomCircle*>(geo);
if (PosId == mid)
return circle->getCenter();
} else if (geo->getTypeId() == Part::GeomEllipse::getClassTypeId()) {
const Part::GeomEllipse *ellipse = static_cast<const Part::GeomEllipse*>(geo);
if (PosId == mid)
return ellipse->getCenter();
} else if (geo->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) {
const Part::GeomArcOfCircle *aoc = static_cast<const Part::GeomArcOfCircle*>(geo);
if (PosId == start)
return aoc->getStartPoint(/*emulateCCW=*/true);
else if (PosId == end)
return aoc->getEndPoint(/*emulateCCW=*/true);
else if (PosId == mid)
return aoc->getCenter();
} else if (geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId()) {
const Part::GeomArcOfEllipse *aoc = static_cast<const Part::GeomArcOfEllipse*>(geo);
if (PosId == start)
return aoc->getStartPoint(/*emulateCCW=*/true);
else if (PosId == end)
return aoc->getEndPoint(/*emulateCCW=*/true);
else if (PosId == mid)
return aoc->getCenter();
} else if (geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()) {
const Part::GeomArcOfHyperbola *aoh = static_cast<const Part::GeomArcOfHyperbola*>(geo);
if (PosId == start)
return aoh->getStartPoint();
else if (PosId == end)
return aoh->getEndPoint();
else if (PosId == mid)
return aoh->getCenter();
} else if (geo->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()) {
const Part::GeomArcOfParabola *aop = dynamic_cast<const Part::GeomArcOfParabola*>(geo);
if (PosId == start)
return aop->getStartPoint();
else if (PosId == end)
return aop->getEndPoint();
else if (PosId == mid)
return aop->getCenter();
} else if (geo->getTypeId() == Part::GeomBSplineCurve::getClassTypeId()) {
const Part::GeomBSplineCurve *bsp = static_cast<const Part::GeomBSplineCurve*>(geo);
if (PosId == start)
return bsp->getStartPoint();
else if (PosId == end)
return bsp->getEndPoint();
}
return Base::Vector3d();
}
int SketchObject::getAxisCount(void) const
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
int count=0;
for (std::vector<Part::Geometry *>::const_iterator geo=vals.begin();
geo != vals.end(); geo++)
if ((*geo) && (*geo)->Construction &&
(*geo)->getTypeId() == Part::GeomLineSegment::getClassTypeId())
count++;
return count;
}
Base::Axis SketchObject::getAxis(int axId) const
{
if (axId == H_Axis || axId == V_Axis || axId == N_Axis)
return Part::Part2DObject::getAxis(axId);
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
int count=0;
for (std::vector<Part::Geometry *>::const_iterator geo=vals.begin();
geo != vals.end(); geo++)
if ((*geo) && (*geo)->Construction &&
(*geo)->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
if (count == axId) {
Part::GeomLineSegment *lineSeg = static_cast<Part::GeomLineSegment*>(*geo);
Base::Vector3d start = lineSeg->getStartPoint();
Base::Vector3d end = lineSeg->getEndPoint();
return Base::Axis(start, end-start);
}
count++;
}
return Base::Axis();
}
void SketchObject::acceptGeometry()
{
Constraints.acceptGeometry(getCompleteGeometry());
rebuildVertexIndex();
}
bool SketchObject::isSupportedGeometry(const Part::Geometry *geo) const
{
if (geo->getTypeId() == Part::GeomPoint::getClassTypeId() ||
geo->getTypeId() == Part::GeomCircle::getClassTypeId() ||
geo->getTypeId() == Part::GeomEllipse::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfCircle::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfParabola::getClassTypeId() ||
geo->getTypeId() == Part::GeomBSplineCurve::getClassTypeId() ||
geo->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
return true;
}
if (geo->getTypeId() == Part::GeomTrimmedCurve::getClassTypeId()) {
Handle_Geom_TrimmedCurve trim = Handle_Geom_TrimmedCurve::DownCast(geo->handle());
Handle_Geom_Circle circle = Handle_Geom_Circle::DownCast(trim->BasisCurve());
Handle_Geom_Ellipse ellipse = Handle_Geom_Ellipse::DownCast(trim->BasisCurve());
if (!circle.IsNull() || !ellipse.IsNull()) {
return true;
}
}
return false;
}
std::vector<Part::Geometry *> SketchObject::supportedGeometry(const std::vector<Part::Geometry *> &geoList) const
{
std::vector<Part::Geometry *> supportedGeoList;
supportedGeoList.reserve(geoList.size());
// read-in geometry that the sketcher cannot handle
for (std::vector<Part::Geometry*>::const_iterator it = geoList.begin(); it != geoList.end(); ++it) {
if (isSupportedGeometry(*it)) {
supportedGeoList.push_back(*it);
}
}
return supportedGeoList;
}
int SketchObject::addGeometry(const std::vector<Part::Geometry *> &geoList, bool construction/*=false*/)
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
std::vector< Part::Geometry * > newVals(vals);
for (std::vector<Part::Geometry *>::const_iterator it = geoList.begin(); it != geoList.end(); ++it) {
if(construction && (*it)->getTypeId() != Part::GeomPoint::getClassTypeId())
const_cast<Part::Geometry *>(*it)->Construction = construction;
newVals.push_back(*it);
}
Geometry.setValues(newVals);
Constraints.acceptGeometry(getCompleteGeometry());
rebuildVertexIndex();
return Geometry.getSize()-1;
}
int SketchObject::addGeometry(const Part::Geometry *geo, bool construction/*=false*/)
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
std::vector< Part::Geometry * > newVals(vals);
Part::Geometry *geoNew = geo->clone();
if(geoNew->getTypeId() != Part::GeomPoint::getClassTypeId())
geoNew->Construction = construction;
newVals.push_back(geoNew);
Geometry.setValues(newVals);
Constraints.acceptGeometry(getCompleteGeometry());
delete geoNew;
rebuildVertexIndex();
return Geometry.getSize()-1;
}
int SketchObject::delGeometry(int GeoId, bool deleteinternalgeo)
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
if (GeoId < 0 || GeoId >= int(vals.size()))
return -1;
const Part::Geometry *geo = getGeometry(GeoId);
// Only for supported types
if ((geo->getTypeId() == Part::GeomEllipse::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId() ||
geo->getTypeId() == Part::GeomArcOfParabola::getClassTypeId() ||
geo->getTypeId() == Part::GeomBSplineCurve::getClassTypeId())) {
if(deleteinternalgeo) {
this->DeleteUnusedInternalGeometry(GeoId, true);
return 0;
}
}
std::vector< Part::Geometry * > newVals(vals);
newVals.erase(newVals.begin()+GeoId);
// Find coincident points to replace the points of the deleted geometry
std::vector<int> GeoIdList;
std::vector<PointPos> PosIdList;
for (PointPos PosId = start; PosId != mid; ) {
getDirectlyCoincidentPoints(GeoId, PosId, GeoIdList, PosIdList);
if (GeoIdList.size() > 1) {
delConstraintOnPoint(GeoId, PosId, true /* only coincidence */);
transferConstraints(GeoIdList[0], PosIdList[0], GeoIdList[1], PosIdList[1]);
}
PosId = (PosId == start) ? end : mid; // loop through [start, end, mid]
}
const std::vector< Constraint * > &constraints = this->Constraints.getValues();
std::vector< Constraint * > newConstraints(0);
for (std::vector<Constraint *>::const_iterator it = constraints.begin();
it != constraints.end(); ++it) {
if ((*it)->First != GeoId && (*it)->Second != GeoId && (*it)->Third != GeoId) {
Constraint *copiedConstr = (*it)->clone();
if (copiedConstr->First > GeoId)
copiedConstr->First -= 1;
if (copiedConstr->Second > GeoId)
copiedConstr->Second -= 1;
if (copiedConstr->Third > GeoId)
copiedConstr->Third -= 1;
newConstraints.push_back(copiedConstr);
}
}
this->Geometry.setValues(newVals);
this->Constraints.setValues(newConstraints);
for (Constraint* it : newConstraints)
delete it;
this->Constraints.acceptGeometry(getCompleteGeometry());
rebuildVertexIndex();
if(noRecomputes) // if we do not have a recompute, the sketch must be solved to update the DoF of the solver
solve();
return 0;
}
int SketchObject::toggleConstruction(int GeoId)
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
if (GeoId < 0 || GeoId >= int(vals.size()))
return -1;
std::vector< Part::Geometry * > newVals(vals);
Part::Geometry *geoNew = newVals[GeoId]->clone();
geoNew->Construction = !geoNew->Construction;
newVals[GeoId]=geoNew;
this->Geometry.setValues(newVals);
//this->Constraints.acceptGeometry(getCompleteGeometry()); <= This is not necessary for a toggle. Reducing redundant solving. Abdullah
solverNeedsUpdate=true;
return 0;
}
int SketchObject::setConstruction(int GeoId, bool on)
{
const std::vector< Part::Geometry * > &vals = getInternalGeometry();
if (GeoId < 0 || GeoId >= int(vals.size()))
return -1;
std::vector< Part::Geometry * > newVals(vals);
Part::Geometry *geoNew = newVals[GeoId]->clone();
geoNew->Construction = on;
newVals[GeoId]=geoNew;
this->Geometry.setValues(newVals);
//this->Constraints.acceptGeometry(getCompleteGeometry()); <= This is not necessary for a toggle. Reducing redundant solving. Abdullah
solverNeedsUpdate=true;
return 0;
}
//ConstraintList is used only to make copies.
int SketchObject::addConstraints(const std::vector<Constraint *> &ConstraintList)
{
const std::vector< Constraint * > &vals = this->Constraints.getValues();
std::vector< Constraint * > newVals(vals);
newVals.insert(newVals.end(), ConstraintList.begin(), ConstraintList.end());
//test if tangent constraints have been added; AutoLockTangency.
std::vector< Constraint * > tbd;//list of temporary copies that need to be deleted
for(std::size_t i = newVals.size()-ConstraintList.size(); i<newVals.size(); i++){
if( newVals[i]->Type == Tangent || newVals[i]->Type == Perpendicular ){
Constraint *constNew = newVals[i]->clone();
AutoLockTangencyAndPerpty(constNew);
tbd.push_back(constNew);
newVals[i] = constNew;
}
}
this->Constraints.setValues(newVals);
//clean up - delete temporary copies of constraints that were made to affect the constraints
for(std::size_t i=0; i<tbd.size(); i++){
delete (tbd[i]);
}
return this->Constraints.getSize()-1;
}
int SketchObject::addConstraint(const Constraint *constraint)
{
const std::vector< Constraint * > &vals = this->Constraints.getValues();
std::vector< Constraint * > newVals(vals);
Constraint *constNew = constraint->clone();
if (constNew->Type == Tangent || constNew->Type == Perpendicular)
AutoLockTangencyAndPerpty(constNew);
newVals.push_back(constNew);
this->Constraints.setValues(newVals);
delete constNew;
return this->Constraints.getSize()-1;
}
int SketchObject::delConstraint(int ConstrId)
{
const std::vector< Constraint * > &vals = this->Constraints.getValues();
if (ConstrId < 0 || ConstrId >= int(vals.size()))
return -1;
std::vector< Constraint * > newVals(vals);
newVals.erase(newVals.begin()+ConstrId);
this->Constraints.setValues(newVals);
if(noRecomputes) // if we do not have a recompute, the sketch must be solved to update the DoF of the solver
solve();
return 0;
}
int SketchObject::delConstraintOnPoint(int VertexId, bool onlyCoincident)
{
int GeoId;
PointPos PosId;
if (VertexId == GeoEnum::RtPnt) { // RootPoint
GeoId = Sketcher::GeoEnum::RtPnt;
PosId = start;
} else
getGeoVertexIndex(VertexId, GeoId, PosId);
return delConstraintOnPoint(GeoId, PosId, onlyCoincident);
}
int SketchObject::delConstraintOnPoint(int GeoId, PointPos PosId, bool onlyCoincident)
{
const std::vector<Constraint *> &vals = this->Constraints.getValues();
// check if constraints can be redirected to some other point
int replaceGeoId=Constraint::GeoUndef;
PointPos replacePosId=Sketcher::none;
if (!onlyCoincident) {
for (std::vector<Constraint *>::const_iterator it = vals.begin(); it != vals.end(); ++it) {
if ((*it)->Type == Sketcher::Coincident) {
if ((*it)->First == GeoId && (*it)->FirstPos == PosId) {
replaceGeoId = (*it)->Second;
replacePosId = (*it)->SecondPos;
break;
}
else if ((*it)->Second == GeoId && (*it)->SecondPos == PosId) {
replaceGeoId = (*it)->First;
replacePosId = (*it)->FirstPos;
break;
}
}
}
}
// remove or redirect any constraints associated with the given point
std::vector<Constraint *> newVals(0);
for (std::vector<Constraint *>::const_iterator it = vals.begin(); it != vals.end(); ++it) {
if ((*it)->Type == Sketcher::Coincident) {
if ((*it)->First == GeoId && (*it)->FirstPos == PosId) {
if (replaceGeoId != Constraint::GeoUndef &&
(replaceGeoId != (*it)->Second || replacePosId != (*it)->SecondPos)) { // redirect this constraint
(*it)->First = replaceGeoId;
(*it)->FirstPos = replacePosId;
}
else
continue; // skip this constraint
}
else if ((*it)->Second == GeoId && (*it)->SecondPos == PosId) {
if (replaceGeoId != Constraint::GeoUndef &&
(replaceGeoId != (*it)->First || replacePosId != (*it)->FirstPos)) { // redirect this constraint
(*it)->Second = replaceGeoId;
(*it)->SecondPos = replacePosId;
}
else
continue; // skip this constraint
}
}
else if (!onlyCoincident) {
if ((*it)->Type == Sketcher::Distance ||
(*it)->Type == Sketcher::DistanceX || (*it)->Type == Sketcher::DistanceY) {
if ((*it)->First == GeoId && (*it)->FirstPos == none &&
(PosId == start || PosId == end)) {
// remove the constraint even if it is not directly associated
// with the given point
continue; // skip this constraint
}
else if ((*it)->First == GeoId && (*it)->FirstPos == PosId) {
if (replaceGeoId != Constraint::GeoUndef) { // redirect this constraint
(*it)->First = replaceGeoId;
(*it)->FirstPos = replacePosId;
}
else
continue; // skip this constraint
}
else if ((*it)->Second == GeoId && (*it)->SecondPos == PosId) {
if (replaceGeoId != Constraint::GeoUndef) { // redirect this constraint
(*it)->Second = replaceGeoId;
(*it)->SecondPos = replacePosId;
}
else
continue; // skip this constraint
}
}
else if ((*it)->Type == Sketcher::PointOnObject) {
if ((*it)->First == GeoId && (*it)->FirstPos == PosId) {
if (replaceGeoId != Constraint::GeoUndef) { // redirect this constraint
(*it)->First = replaceGeoId;
(*it)->FirstPos = replacePosId;
}
else
continue; // skip this constraint
}
}
else if ((*it)->Type == Sketcher::Tangent) {
if (((*it)->First == GeoId && (*it)->FirstPos == PosId) ||
((*it)->Second == GeoId && (*it)->SecondPos == PosId)) {
// we could keep the tangency constraint by converting it
// to a simple one but it is not really worth
continue; // skip this constraint
}
}
else if ((*it)->Type == Sketcher::Symmetric) {
if (((*it)->First == GeoId && (*it)->FirstPos == PosId) ||
((*it)->Second == GeoId && (*it)->SecondPos == PosId)) {
continue; // skip this constraint
}
}
}
newVals.push_back(*it);
}
if (newVals.size() < vals.size()) {
this->Constraints.setValues(newVals);
return 0;
}
return -1; // no such constraint
}
int SketchObject::transferConstraints(int fromGeoId, PointPos fromPosId, int toGeoId, PointPos toPosId)
{
const std::vector<Constraint *> &vals = this->Constraints.getValues();
std::vector<Constraint *> newVals(vals);
std::vector<Constraint *> changed;
for (int i=0; i < int(newVals.size()); i++) {
if (vals[i]->First == fromGeoId && vals[i]->FirstPos == fromPosId &&
!(vals[i]->Second == toGeoId && vals[i]->SecondPos == toPosId)) {
Constraint *constNew = newVals[i]->clone();
constNew->First = toGeoId;
constNew->FirstPos = toPosId;
newVals[i] = constNew;
changed.push_back(constNew);
}
else if (vals[i]->Second == fromGeoId && vals[i]->SecondPos == fromPosId &&
!(vals[i]->First == toGeoId && vals[i]->FirstPos == toPosId)) {
Constraint *constNew = newVals[i]->clone();
constNew->Second = toGeoId;
constNew->SecondPos = toPosId;
newVals[i] = constNew;
changed.push_back(constNew);
}
}
// assign the new values only if something has changed
if (!changed.empty()) {
this->Constraints.setValues(newVals);
// free memory
for (Constraint* it : changed)
delete it;
}
return 0;
}
int SketchObject::fillet(int GeoId, PointPos PosId, double radius, bool trim)
{
if (GeoId < 0 || GeoId > getHighestCurveIndex())
return -1;
// Find the other geometry Id associated with the coincident point
std::vector<int> GeoIdList;
std::vector<PointPos> PosIdList;
getDirectlyCoincidentPoints(GeoId, PosId, GeoIdList, PosIdList);
// only coincident points between two (non-external) edges can be filleted
if (GeoIdList.size() == 2 && GeoIdList[0] >= 0 && GeoIdList[1] >= 0) {
const Part::Geometry *geo1 = getGeometry(GeoIdList[0]);
const Part::Geometry *geo2 = getGeometry(GeoIdList[1]);
if (geo1->getTypeId() == Part::GeomLineSegment::getClassTypeId() &&
geo2->getTypeId() == Part::GeomLineSegment::getClassTypeId() ) {
const Part::GeomLineSegment *lineSeg1 = static_cast<const Part::GeomLineSegment*>(geo1);
const Part::GeomLineSegment *lineSeg2 = static_cast<const Part::GeomLineSegment*>(geo2);
Base::Vector3d midPnt1 = (lineSeg1->getStartPoint() + lineSeg1->getEndPoint()) / 2 ;
Base::Vector3d midPnt2 = (lineSeg2->getStartPoint() + lineSeg2->getEndPoint()) / 2 ;
return fillet(GeoIdList[0], GeoIdList[1], midPnt1, midPnt2, radius, trim);
}
}
return -1;
}
int SketchObject::fillet(int GeoId1, int GeoId2,
const Base::Vector3d& refPnt1, const Base::Vector3d& refPnt2,
double radius, bool trim)
{
if (GeoId1 < 0 || GeoId1 > getHighestCurveIndex() ||
GeoId2 < 0 || GeoId2 > getHighestCurveIndex())
return -1;
const Part::Geometry *geo1 = getGeometry(GeoId1);