7fd59977 |
1 | //:j6 abv 7 Dec 98: ProSTEP TR10 r0601_id.stp #57676 & #58586: |
2 | // in FixIntersectingEdges, do not cut edges because of influence on adjacent faces |
3 | // pdn 17.12.98: shifting whole wire in FixShifted |
4 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: removing self-int loops on pcurves |
5 | // pdn 30.12.98: PRO10366 #210: shifting pcurve between two singularities |
6 | // pdn 05.01.98: renaming method FixLittle to FixSmall |
7 | //:l0 abv 10.01.99: remove unused code |
8 | //:n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve |
9 | //:o4 abv 17.02.99: r0301_db.stp #53082: using parameter isClosed in CheckOrder |
10 | //:p4 abv 23.02.99: PRO9234 #15720: update UV points of edges after shifting pcurves |
11 | //#67 rln 01.03.99 S4135: ims010.igs treatment of Geom_SphericalSurface together with V-closed surfaces |
12 | //:p7 abv 10.03.99 PRO18206: using method IsDegenerated() to detect singularity in FixLacking |
13 | //:r0 abv 19.03.99 PRO7226.stp #489490: remove degenerated edges if several |
14 | //#78 rln 12.03.99 S4135: checking spatial closure with Precision |
15 | //#79 rln 15.03.99 S4135: bmarkmdl.igs: check for gap before shifting on singularities |
16 | // pdn 17.03.99 S4135: implemented fixing not adjacent intersection |
17 | //#86 rln 22.03.99 S4135: repeat of fix self-intersection if it was fixed just before |
18 | //%15 pdn 06.04.99 CTS18546-2: fix of self-intersection is repeated while fixed |
19 | //#3 smh 01.04.99 S4163: Overflow |
20 | //#4 szv S4163: optimization |
21 | //:r7 abv 12.04.99 S4136: FixLk: extend cases of adding degenerated edge |
22 | //:r8 abv 12.04.99 PRO10107.stp #2241: try increasing tolerance of edge for fix IE |
23 | //:s2 abv 21.04.99 S4136, PRO7978.igs: FixLacking extended to be able to bend pcurves |
24 | //szv#9:S4244:19Aug99 Methods FixGaps3d and FixGaps2d were introduced |
25 | //#15 smh 03.04.2000 PRO19800. Checking degenerated point on a surface of revolution. |
26 | // sln 25.09.2001 checking order of 3d and 2d representation curves |
27 | // van 19.10.2001 fix of non-adjacent self-intersection corrected to agree with BRepCheck |
28 | // skl 07.03.2002 fix for bug OCC180 |
29 | // skl 15.05.2002 for OCC208 (if few edges have reference to |
30 | // one pcurve we make replace pcurve) |
31 | // PTV 26.06.2002 Remove regressions after fix OCC450 |
32 | |
33 | #include <ShapeFix_Wire.ixx> |
34 | |
35 | #include <Standard_ErrorHandler.hxx> |
36 | #include <Standard_Failure.hxx> |
37 | #include <TColStd_Array1OfReal.hxx> |
38 | #include <TColStd_Array1OfInteger.hxx> |
39 | #include <Precision.hxx> |
40 | |
41 | #include <Geom_Curve.hxx> |
42 | #include <Geom_TrimmedCurve.hxx> |
43 | #include <Geom_BSplineCurve.hxx> |
44 | #include <Geom_SphericalSurface.hxx> //S4135 |
45 | #include <Geom_SurfaceOfRevolution.hxx> |
46 | #include <GeomAdaptor_Curve.hxx> |
47 | #include <GeomAdaptor_HSurface.hxx> |
48 | #include <GeomAdaptor_Surface.hxx> |
49 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
50 | #include <GeomAPI.hxx> |
51 | |
52 | #include <Geom2d_Curve.hxx> |
53 | #include <Geom2d_TrimmedCurve.hxx> |
54 | #include <Geom2d_Line.hxx> |
55 | #include <Geom2d_BSplineCurve.hxx> |
56 | #include <Geom2dAdaptor_Curve.hxx> |
57 | #include <Geom2dConvert.hxx> |
58 | |
59 | #include <Bnd_Box2d.hxx> |
60 | #include <Bnd_Array1OfBox2d.hxx> |
61 | #include <BndLib_Add2dCurve.hxx> |
62 | #include <IntRes2d_SequenceOfIntersectionPoint.hxx> |
63 | #include <IntRes2d_IntersectionPoint.hxx> |
64 | #include <TColgp_Array1OfPnt.hxx> |
65 | #include <TColgp_SequenceOfPnt.hxx> |
66 | #include <gp_Pln.hxx> |
67 | |
68 | #include <TopoDS.hxx> |
69 | #include <TopoDS_Vertex.hxx> |
70 | #include <TopoDS_Edge.hxx> |
71 | #include <TopTools_Array1OfShape.hxx> |
72 | #include <TopTools_HSequenceOfShape.hxx> |
73 | #include <TopExp_Explorer.hxx> |
74 | |
75 | #include <BRep_Tool.hxx> |
76 | #include <BRep_Builder.hxx> |
77 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
78 | #include <BRep_TEdge.hxx> |
79 | #include <BRep_GCurve.hxx> |
80 | #include <BRepBuilderAPI_MakeEdge.hxx> |
81 | #include <BRepBuilderAPI_MakeVertex.hxx> |
82 | #include <BRepTools.hxx> |
83 | |
84 | #include <Message_Msg.hxx> |
85 | #include <ShapeExtend.hxx> |
86 | #include <ShapeBuild_Edge.hxx> |
87 | #include <ShapeBuild_Vertex.hxx> |
88 | #include <ShapeBuild_ReShape.hxx> |
89 | #include <ShapeAnalysis_Curve.hxx> |
90 | #include <ShapeAnalysis_Edge.hxx> |
91 | #include <ShapeAnalysis_Surface.hxx> |
92 | #include <ShapeAnalysis.hxx> |
93 | #include <ShapeConstruct_ProjectCurveOnSurface.hxx> |
94 | #include <ShapeAnalysis_TransferParametersProj.hxx> |
95 | #include <Geom_Plane.hxx> |
96 | #include <Geom_OffsetCurve.hxx> |
97 | |
98 | #include <TColStd_HSequenceOfReal.hxx> |
99 | #include <Handle_Geom2dAdaptor_HCurve.hxx> |
100 | #include <Adaptor3d_CurveOnSurface.hxx> |
101 | #include <Geom2dAdaptor_HCurve.hxx> |
102 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
103 | |
104 | #include <ShapeAnalysis_TransferParameters.hxx> |
105 | #include <ShapeFix.hxx> |
106 | #include <ShapeFix_IntersectionTool.hxx> |
107 | #include <ShapeFix_SplitTool.hxx> |
108 | |
109 | |
110 | //####################################################################### |
111 | // Constructors, initializations, modes, querying |
112 | //####################################################################### |
113 | |
114 | //======================================================================= |
115 | //function : ShapeFix_Wire |
116 | //purpose : |
117 | //======================================================================= |
118 | |
119 | ShapeFix_Wire::ShapeFix_Wire() |
120 | { |
121 | myFixEdge = new ShapeFix_Edge; |
122 | myAnalyzer = new ShapeAnalysis_Wire; |
123 | ClearModes(); |
124 | ClearStatuses(); |
125 | myStatusRemovedSegment = Standard_False; |
126 | } |
127 | |
128 | //======================================================================= |
129 | //function : ShapeFix_Wire |
130 | //purpose : |
131 | //======================================================================= |
132 | |
133 | ShapeFix_Wire::ShapeFix_Wire (const TopoDS_Wire& wire, |
134 | const TopoDS_Face &face, const Standard_Real prec) |
135 | { |
136 | myFixEdge = new ShapeFix_Edge; |
137 | myAnalyzer = new ShapeAnalysis_Wire; |
138 | ClearModes(); |
139 | SetMaxTolerance ( prec ); |
140 | myStatusRemovedSegment = Standard_False; |
141 | Init ( wire, face, prec ); |
142 | } |
143 | |
144 | //======================================================================= |
145 | //function : SetPrecision |
146 | //purpose : |
147 | //======================================================================= |
148 | |
149 | void ShapeFix_Wire::SetPrecision (const Standard_Real prec) |
150 | { |
151 | ShapeFix_Root::SetPrecision ( prec ); |
152 | myAnalyzer->SetPrecision ( prec ); |
153 | } |
154 | |
155 | //======================================================================= |
156 | //function : ClearModes |
157 | //purpose : |
158 | //======================================================================= |
159 | |
160 | void ShapeFix_Wire::ClearModes() |
161 | { |
162 | myTopoMode = Standard_False; |
163 | myGeomMode = Standard_True; |
164 | myClosedMode = Standard_True; |
165 | myPreference2d = Standard_True; |
166 | myFixGapsByRanges = Standard_False; |
167 | |
168 | myRemoveLoopMode = -1; |
169 | |
170 | myFixReversed2dMode = -1; |
171 | myFixRemovePCurveMode = -1; |
172 | myFixRemoveCurve3dMode = -1; |
173 | myFixAddPCurveMode = -1; |
174 | myFixAddCurve3dMode = -1; |
175 | myFixSeamMode = -1; |
176 | myFixShiftedMode = -1; |
177 | myFixSameParameterMode = -1; |
178 | myFixVertexToleranceMode = -1; |
179 | |
180 | myFixNotchedEdgesMode = -1; |
181 | myFixSelfIntersectingEdgeMode = -1; |
182 | myFixIntersectingEdgesMode = -1; |
183 | myFixNonAdjacentIntersectingEdgesMode = -1; |
184 | |
185 | myFixReorderMode = -1; |
186 | myFixSmallMode = -1; |
187 | myFixConnectedMode = -1; |
188 | myFixEdgeCurvesMode = -1; |
189 | myFixDegeneratedMode = -1; |
190 | myFixSelfIntersectionMode = -1; |
191 | myFixLackingMode = -1; |
192 | myFixGaps3dMode = -1; |
193 | myFixGaps2dMode = -1; |
194 | } |
195 | |
196 | //======================================================================= |
197 | //function : ClearStatuses |
198 | //purpose : |
199 | //======================================================================= |
200 | |
201 | void ShapeFix_Wire::ClearStatuses() |
202 | { |
203 | Standard_Integer emptyStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
204 | |
205 | myLastFixStatus = emptyStatus; |
206 | |
207 | myStatusReorder = emptyStatus; |
208 | myStatusSmall = emptyStatus; |
209 | myStatusConnected = emptyStatus; |
210 | myStatusEdgeCurves = emptyStatus; |
211 | myStatusDegenerated = emptyStatus; |
212 | myStatusSelfIntersection = emptyStatus; |
213 | myStatusLacking = emptyStatus; |
214 | myStatusGaps3d = emptyStatus; //szv#9:S4244:19Aug99 new method introduced |
215 | myStatusGaps2d = emptyStatus; //szv#9:S4244:19Aug99 new method introduced |
216 | myStatusClosed = emptyStatus; |
217 | } |
218 | |
219 | //======================================================================= |
220 | //function : Init |
221 | //purpose : |
222 | //======================================================================= |
223 | |
224 | void ShapeFix_Wire::Init (const TopoDS_Wire& wire, |
225 | const TopoDS_Face &face, const Standard_Real prec) |
226 | { |
227 | Load ( wire ); |
228 | SetFace ( face ); |
229 | SetPrecision ( prec ); |
230 | } |
231 | |
232 | //======================================================================= |
233 | //function : Init |
234 | //purpose : |
235 | //======================================================================= |
236 | |
237 | void ShapeFix_Wire::Init (const Handle(ShapeAnalysis_Wire)& saw) |
238 | { |
239 | ClearStatuses(); |
240 | myAnalyzer = saw; |
241 | myShape.Nullify(); |
242 | // SetPrecision ( saw.Precision() ); |
243 | } |
244 | |
245 | //======================================================================= |
246 | //function : Load |
247 | //purpose : |
248 | //======================================================================= |
249 | |
250 | void ShapeFix_Wire::Load (const TopoDS_Wire& wire) |
251 | { |
252 | ClearStatuses(); |
253 | |
254 | TopoDS_Wire W = wire; |
255 | if ( ! Context().IsNull() ) { |
256 | TopoDS_Shape S = Context()->Apply ( wire ); |
257 | W = TopoDS::Wire ( S ); |
258 | } |
259 | |
260 | myAnalyzer->Load ( W ); |
261 | myShape = wire; |
262 | } |
263 | |
264 | //======================================================================= |
265 | //function : Load |
266 | //purpose : |
267 | //======================================================================= |
268 | |
269 | void ShapeFix_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd) |
270 | { |
271 | ClearStatuses(); |
272 | myAnalyzer->Load ( sbwd ); |
273 | if ( ! Context().IsNull() ) UpdateWire(); |
274 | myShape.Nullify(); |
275 | } |
276 | |
277 | //======================================================================= |
278 | //function : NbEdges |
279 | //purpose : |
280 | //======================================================================= |
281 | |
282 | Standard_Integer ShapeFix_Wire::NbEdges() const |
283 | { |
284 | Handle(ShapeExtend_WireData) sbwd = myAnalyzer->WireData(); |
285 | return sbwd.IsNull() ? 0 : sbwd->NbEdges(); |
286 | } |
287 | |
288 | //####################################################################### |
289 | // Fixing methods of API level |
290 | //####################################################################### |
291 | |
292 | //======================================================================= |
293 | //function : Perform |
294 | //purpose : This method performs all the available fixes. |
295 | // If some fix is turned on or off explicitly by the flag, |
296 | // it is called or not depending on that flag |
297 | // Else (i.e. if flag is default) fix is called depending on the |
298 | // situation: default is True, but some fixes are not called or |
299 | // are limited if order of edges in the wire is not OK |
300 | //======================================================================= |
301 | |
302 | Standard_Boolean ShapeFix_Wire::Perform() |
303 | { |
304 | ClearStatuses(); |
305 | if ( ! IsLoaded() ) return Standard_False; |
306 | |
307 | |
308 | Standard_Integer Fixed = Standard_False; |
309 | |
310 | // FixReorder is first, because as a rule wire is required to be ordered |
311 | // We shall analyze the order of edges in the wire and set appropriate |
312 | // status even if FixReorder should not be called (if it is forbidden) |
313 | |
314 | ShapeAnalysis_WireOrder sawo; |
315 | Standard_Boolean ReorderOK = ( myAnalyzer->CheckOrder ( sawo, myClosedMode ) ==0 ); |
316 | if ( NeedFix ( myFixReorderMode, ! ReorderOK ) ) { |
317 | if(FixReorder()) Fixed = Standard_True; |
318 | ReorderOK = ! StatusReorder ( ShapeExtend_FAIL ); |
319 | } |
320 | |
321 | // FixSmall is allowed to change topology only if mode is set and FixReorder |
322 | // did not failed |
323 | if ( NeedFix ( myFixSmallMode, myTopoMode ) ) { |
324 | if ( FixSmall ( ! myTopoMode || ! ReorderOK, MinTolerance() ) ) { |
325 | Fixed = Standard_True; |
326 | // retry reorder if necessary (after FixSmall it can work better) |
327 | if ( NeedFix ( myFixReorderMode, ! ReorderOK ) ) { |
328 | FixReorder(); |
329 | ReorderOK = ! StatusReorder ( ShapeExtend_FAIL ); |
330 | } |
331 | } |
332 | } |
333 | |
334 | if ( NeedFix ( myFixConnectedMode, ReorderOK ) ) { |
335 | if ( FixConnected() ) Fixed = Standard_True; |
336 | } |
337 | |
338 | if ( NeedFix ( myFixEdgeCurvesMode ) ) { |
339 | Standard_Integer savFixShiftedMode = myFixShiftedMode; |
340 | // turn out FixShifted if reorder not done |
341 | if ( myFixShiftedMode == -1 && ! ReorderOK ) myFixShiftedMode = 0; |
342 | if ( FixEdgeCurves() ) Fixed = Standard_True; |
343 | myFixShiftedMode = savFixShiftedMode; |
344 | } |
345 | |
346 | if ( NeedFix ( myFixDegeneratedMode ) ) { |
347 | if ( FixDegenerated() ) Fixed = Standard_True; // ?? if ! ReorderOK ?? |
348 | } |
349 | |
350 | //pdn - temporary to test |
351 | if ( NeedFix ( myFixNotchedEdgesMode, ReorderOK ) ) { |
352 | Fixed |= FixNotchedEdges(); |
353 | if(Fixed) FixShifted(); //skl 07.03.2002 for OCC180 |
354 | } |
355 | |
356 | if ( NeedFix ( myFixSelfIntersectionMode, myClosedMode ) ) { |
357 | Standard_Integer savFixIntersectingEdgesMode = myFixIntersectingEdgesMode; |
358 | // switch off FixIntEdges if reorder not done |
359 | if ( myFixIntersectingEdgesMode == -1 && ! ReorderOK ) |
360 | myFixIntersectingEdgesMode = 0; |
361 | if ( FixSelfIntersection() ) Fixed = Standard_True; |
362 | FixReorder(); |
363 | myFixIntersectingEdgesMode = savFixIntersectingEdgesMode; |
364 | } |
365 | |
366 | if ( NeedFix ( myFixLackingMode, ReorderOK ) ) { |
367 | if ( FixLacking() ) Fixed = Standard_True; |
368 | } |
369 | |
370 | // TEMPORARILY without special mode !!! |
371 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
372 | for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) |
373 | if ( myFixEdge->FixVertexTolerance (sbwd->Edge (iedge)) ) |
374 | Fixed = Standard_True; |
375 | |
376 | return Fixed; |
377 | } |
378 | |
379 | //======================================================================= |
380 | //function : FixReorder |
381 | //purpose : |
382 | //======================================================================= |
383 | |
384 | Standard_Boolean ShapeFix_Wire::FixReorder() |
385 | { |
386 | myStatusReorder = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
387 | if ( ! IsLoaded() ) return Standard_False; |
388 | |
389 | // fix in 3d |
390 | ShapeAnalysis_WireOrder sawo; |
391 | myAnalyzer->CheckOrder ( sawo, myClosedMode, Standard_True ); |
392 | |
393 | //:abv revolCuts.sat -23: in case of bi-periodic surface check case |
394 | // of reversed wire specifically. This is necessary because degenerated |
395 | // cases are possible when direct evaluation will give bad result. |
396 | Standard_Boolean isReorder = Standard_False; |
397 | if ( sawo.Status() != 0 && |
398 | ! myAnalyzer->Surface().IsNull() && |
399 | myAnalyzer->Surface()->Surface()->IsUPeriodic() && |
400 | myAnalyzer->Surface()->Surface()->IsVPeriodic() ) { |
401 | Handle(ShapeExtend_WireData) sbwd2 = new ShapeExtend_WireData; |
402 | for ( Standard_Integer i=WireData()->NbEdges(); i >=1; i-- ) |
403 | sbwd2->Add ( WireData()->Edge(i) ); |
404 | ShapeAnalysis_WireOrder sawo2; |
405 | ShapeAnalysis_Wire analyzer2 ( sbwd2, myAnalyzer->Face(), Precision() ); |
406 | analyzer2.CheckOrder ( sawo2, myClosedMode, Standard_True ); |
407 | if ( ( sawo2.Status() >=0 && sawo2.Status() < sawo.Status() ) || |
408 | ( sawo.Status() <0 && sawo2.Status() > sawo.Status() ) ) { |
409 | WireData()->Init ( sbwd2 ); |
410 | sawo = sawo2; |
411 | isReorder = Standard_True; |
412 | } |
413 | } |
414 | |
415 | FixReorder ( sawo ); |
416 | |
417 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
418 | myStatusReorder |= ShapeExtend::EncodeStatus ( LastFixStatus ( ShapeExtend_FAIL1 ) ? |
419 | ShapeExtend_FAIL1 : ShapeExtend_FAIL2 ); |
420 | if ( ! LastFixStatus ( ShapeExtend_DONE )&& !isReorder ) return Standard_False; |
421 | |
422 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
423 | if ( sawo.Status() ==2 || sawo.Status() ==-2 ) |
424 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
425 | if ( sawo.Status() <0 ) |
426 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
427 | return Standard_True; |
428 | } |
429 | |
430 | //======================================================================= |
431 | //function : FixSmall |
432 | //purpose : |
433 | //======================================================================= |
434 | |
435 | Standard_Integer ShapeFix_Wire::FixSmall (const Standard_Boolean lockvtx, |
436 | const Standard_Real precsmall) |
437 | { |
438 | myStatusSmall = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
439 | if ( ! IsLoaded() ) return Standard_False; |
440 | |
441 | for ( Standard_Integer i = NbEdges(); i >0; i-- ) { |
442 | FixSmall ( i, lockvtx, precsmall ); |
443 | myStatusSmall |= myLastFixStatus; |
444 | } |
445 | |
446 | if ( StatusSmall ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
447 | SendWarning (Message_Msg ("FixAdvWire.FixSmall.MSG0"));//Small edge(s) removed |
448 | } |
449 | return StatusSmall ( ShapeExtend_DONE ); |
450 | |
451 | } |
452 | |
453 | //======================================================================= |
454 | //function : FixConnected |
455 | //purpose : |
456 | //======================================================================= |
457 | |
458 | Standard_Boolean ShapeFix_Wire::FixConnected (const Standard_Real prec) |
459 | { |
460 | myStatusConnected = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
461 | if ( ! IsLoaded() ) return Standard_False; |
462 | |
463 | Standard_Integer stop = ( myClosedMode ? 0 : 1 ); |
464 | for ( Standard_Integer i = NbEdges(); i > stop; i-- ) { |
465 | FixConnected ( i, prec ); |
466 | myStatusConnected |= myLastFixStatus; |
467 | } |
468 | |
469 | return StatusConnected ( ShapeExtend_DONE ); |
470 | } |
471 | |
472 | //======================================================================= |
473 | //function : FixEdgeCurves |
474 | //purpose : |
475 | //======================================================================= |
476 | |
477 | Standard_Boolean ShapeFix_Wire::FixEdgeCurves() |
478 | { |
479 | myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
480 | if ( ! IsLoaded() ) return Standard_False; |
481 | Standard_Boolean isReady = IsReady(); |
482 | |
483 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
484 | Standard_Integer i, nb = sbwd->NbEdges(); |
485 | TopoDS_Face face = Face(); |
486 | Handle(ShapeFix_Edge) theAdvFixEdge = Handle(ShapeFix_Edge)::DownCast(myFixEdge); |
487 | if (theAdvFixEdge.IsNull()) myFixReversed2dMode = Standard_False; |
488 | |
489 | // fix revesred 2d / 3d curves |
490 | if ( isReady && NeedFix ( myFixReversed2dMode ) ) { |
491 | for ( i=1; i <= nb; i++ ) { |
492 | theAdvFixEdge->FixReversed2d ( sbwd->Edge(i), face ); |
493 | if ( theAdvFixEdge->Status ( ShapeExtend_DONE ) ) |
494 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
495 | if ( theAdvFixEdge->Status ( ShapeExtend_FAIL ) ) |
496 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
497 | } |
498 | } |
499 | |
500 | // add / remove pcurve |
501 | if ( isReady && NeedFix ( myFixRemovePCurveMode, Standard_False ) ) { |
502 | for ( i=1; i <= nb; i++ ) { |
503 | myFixEdge->FixRemovePCurve ( sbwd->Edge(i), face ); |
504 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
505 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
506 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
507 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
508 | } |
509 | } |
510 | |
511 | if ( isReady && NeedFix ( myFixAddPCurveMode ) ) { |
512 | Standard_Integer overdegen = 0; //:c0 |
513 | for ( i=1; i <= nb; i++ ) { |
514 | myFixEdge->FixAddPCurve ( sbwd->Edge(i), face, sbwd->IsSeam(i), |
515 | myAnalyzer->Surface(), Precision() ); |
516 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
517 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
518 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
519 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
520 | |
521 | //if ( !sbwd->IsSeam(i) && myFixEdge->Status ( ShapeExtend_DONE2 ) |
522 | // && BRep_Tool::SameParameter(sbwd->Edge(i)) ) { |
523 | if ( !sbwd->IsSeam(i) && myFixEdge->Status ( ShapeExtend_DONE2 ) ) { |
524 | // abv 24 Feb 00: trj3_s1-ac-214.stp #1631 etc.: try to split the edge in singularity |
525 | if ( ! Context().IsNull() ) { |
526 | ShapeBuild_Edge sbe; |
527 | TopoDS_Edge E = sbwd->Edge ( i ); |
528 | ShapeAnalysis_Curve SAC; |
529 | Standard_Real a, b; |
530 | Handle(Geom_Curve) C = BRep_Tool::Curve ( E, a, b ); |
531 | Handle(ShapeAnalysis_Surface) S = myAnalyzer->Surface(); |
532 | Standard_Integer nbs = S->NbSingularities(MinTolerance()); |
533 | GeomAdaptor_Curve GAC ( C, a, b ); |
534 | TColStd_SequenceOfReal seq; |
535 | for (Standard_Integer j=1; j <= nbs; j++) { |
536 | Standard_Real Preci; |
537 | gp_Pnt2d pd1, pd2; |
538 | gp_Pnt P3d, pr; |
539 | Standard_Real par1, par2, split; |
540 | Standard_Boolean tmpUIsoDeg; |
541 | S->Singularity (j, Preci, P3d, pd1, pd2, par1, par2, tmpUIsoDeg); |
542 | if ( SAC.Project ( GAC, P3d, MinTolerance(), pr, split, Standard_True ) < Max(Preci,MinTolerance()) ) { |
543 | if ( split - a > ::Precision::PConfusion() && |
544 | b - split > ::Precision::PConfusion() ) { |
545 | Standard_Integer k; |
546 | for ( k=1; k <= seq.Length(); k++ ) { |
547 | if ( split < seq(k)-::Precision::PConfusion() ) { |
548 | seq.InsertBefore ( k, split ); |
549 | break; |
550 | } |
551 | else if ( split < seq(k)+::Precision::PConfusion() ) break; |
552 | } |
553 | if ( k > seq.Length() ) seq.Append ( split ); |
554 | } |
555 | } |
556 | } |
557 | if ( seq.Length() >0 ) { // supposed that edge is SP |
558 | #ifdef DEB |
559 | cout << "Edge going over singularity detected; splitted" << endl; |
560 | #endif |
561 | Standard_Boolean isFwd = ( E.Orientation() == TopAbs_FORWARD ); |
562 | E.Orientation ( TopAbs_FORWARD ); |
563 | |
564 | //if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) |
565 | // sbe.RemovePCurve ( E, face ); |
566 | |
567 | //10.04.2003 skl for using trimmed lines as pcurves |
568 | ShapeAnalysis_Edge sae; |
569 | if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) |
570 | sbe.RemovePCurve ( E, face ); |
571 | else { |
572 | if(sae.HasPCurve(E,face)) { |
573 | Handle(Geom2d_Curve) C2d; |
574 | Standard_Real fp2d,lp2d; |
575 | if(sae.PCurve(E,face,C2d,fp2d,lp2d)) { |
576 | if( !C2d->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve)) ) |
577 | sbe.RemovePCurve(E,face); |
578 | } |
579 | } |
580 | } |
581 | |
582 | // myFixEdge->FixSameParameter ( E ); // to ensure SameRange & SP |
583 | BRep_Builder B; |
584 | TopoDS_Vertex V1, V2, V; |
585 | //ShapeAnalysis_Edge sae; |
586 | V1 = sae.FirstVertex ( E ); |
587 | V2 = sae.LastVertex ( E ); |
588 | Handle(ShapeExtend_WireData) sw = new ShapeExtend_WireData; |
589 | for ( Standard_Integer k=0; k <= seq.Length(); k++ ) { |
590 | Standard_Real split = ( k < seq.Length() ? seq(k+1) : b ); |
591 | if ( k < seq.Length() ) |
592 | B.MakeVertex ( V, C->Value(split), BRep_Tool::Tolerance(E) ); |
593 | else V = V2; |
594 | TopoDS_Edge edge = sbe.CopyReplaceVertices ( E, V1, V ); |
595 | if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) { |
596 | //TopoDS_Edge edge = sbe.CopyReplaceVertices ( E, V1, V ); |
597 | B.Range ( edge, a, split ); |
598 | sw->Add ( edge ); |
599 | } |
600 | else { |
601 | //TopoDS_Edge edge = sbe.CopyReplaceVertices(sbwd->Edge(i),V1,V); |
602 | Handle(ShapeAnalysis_TransferParameters) sftp = |
603 | new ShapeAnalysis_TransferParameters(E,face); |
604 | sftp->TransferRange(edge, a, split, Standard_False); |
605 | sw->Add(edge); |
606 | } |
607 | //sw->Add(edge); |
608 | a = split; |
609 | V1 = V; |
610 | } |
611 | if ( ! isFwd ) { |
612 | sw->Reverse(); |
613 | E.Orientation ( TopAbs_REVERSED ); |
614 | } |
615 | Context()->Replace ( E, sw->Wire() ); |
616 | UpdateWire(); |
617 | nb = sbwd->NbEdges(); |
618 | i--; |
619 | continue; |
620 | } |
621 | } |
622 | |
623 | overdegen = i; |
624 | } |
625 | } |
626 | |
627 | //:c0 abv 20 Feb 98: treat case of curve going over degenerated pole and seam |
628 | if ( overdegen && myAnalyzer->Surface()->IsUClosed(Precision()) ) { |
629 | ShapeBuild_Edge sbe; |
630 | Standard_Real URange, SUF, SUL, SVF, SVL; |
631 | myAnalyzer->Surface()->Bounds(SUF, SUL, SVF, SVL); |
632 | URange = (Abs(SUL - SUF)); |
633 | gp_XY vec(0,0); |
634 | ShapeAnalysis_Edge sae; |
635 | Standard_Integer k; |
636 | for ( k = 1; k <= nb; k++) { |
637 | Standard_Real cf, cl; |
638 | Handle(Geom2d_Curve) c2d; |
639 | if ( ! sae.PCurve ( sbwd->Edge(k), face, c2d, cf, cl, Standard_True ) ) break; |
640 | vec += c2d->Value(cl).XY() - c2d->Value(cf).XY(); |
641 | } |
642 | if ( k > nb && Abs ( Abs ( vec.X() ) - URange ) < 0.1 * URange ) { |
643 | sbe.RemovePCurve (sbwd->Edge ( overdegen ), face); |
644 | myFixEdge->Projector()->AdjustOverDegenMode() = Standard_False; |
645 | myFixEdge->FixAddPCurve ( sbwd->Edge(overdegen), face, sbwd->IsSeam(overdegen), myAnalyzer->Surface(), Precision()); |
646 | } |
647 | #ifdef DEB |
648 | cout << "Edge going over singularity detected; pcurve adjusted" << endl; |
649 | #endif |
650 | } |
651 | } |
652 | |
653 | // add / remove pcurve |
654 | if ( isReady && NeedFix ( myFixRemoveCurve3dMode, Standard_False ) ) { |
655 | for ( i=1; i <= nb; i++ ) { |
656 | myFixEdge->FixRemoveCurve3d ( sbwd->Edge(i) ); |
657 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
658 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
659 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
660 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL4 ); |
661 | } |
662 | } |
663 | if ( NeedFix ( myFixAddCurve3dMode ) ) { |
664 | for ( i=1; i <= nb; i++ ) { |
665 | myFixEdge->FixAddCurve3d ( sbwd->Edge(i) ); |
666 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
667 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
668 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) { |
669 | //:abv 29.08.01: Spatial_firex_lofting.sat: if 3d curve cannot |
670 | // be built because edge has no pcurves either, remove that edge |
671 | Handle(Geom2d_Curve) C; |
672 | Handle(Geom_Surface) S; |
673 | TopLoc_Location L; |
674 | Standard_Real first, last; |
675 | BRep_Tool::CurveOnSurface ( sbwd->Edge(i), C, S, L, first, last ); |
676 | if ( C.IsNull() ) { |
677 | sbwd->Remove ( i-- ); |
678 | nb--; |
679 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
680 | if ( ! myShape.IsNull() ) |
681 | SendWarning (Message_Msg ("FixWire.FixCurve3d.Removed")); // Incomplete edge (with no pcurves or 3d curve) removed |
682 | } |
683 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL5 ); |
684 | } |
685 | } |
686 | } |
687 | |
688 | // fix seam |
689 | if ( isReady && NeedFix ( myFixSeamMode, Standard_False ) ) { |
690 | for ( i=1; i <= nb; i++ ) { |
691 | FixSeam ( i ); |
692 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
693 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
694 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
695 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL6 ); |
696 | } |
697 | } |
698 | |
699 | // fix shifted |
700 | if ( isReady && NeedFix ( myFixShiftedMode ) ) { |
701 | FixShifted(); |
702 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
703 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
704 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
705 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL7 ); |
706 | } |
707 | |
708 | // fix same parameter |
709 | if ( isReady && NeedFix ( myFixSameParameterMode ) ) { |
710 | for ( i=1; i <= nb; i++ ) { |
711 | // skl 28.10.2004 for OCC6366 - check SameRange |
712 | ShapeAnalysis_Edge sae; |
713 | Standard_Real First, Last; |
714 | Handle(Geom_Curve) tmpc3d = BRep_Tool::Curve(sbwd->Edge(i), First, Last); |
715 | if(sae.HasPCurve(sbwd->Edge(i),face)) { |
716 | Handle(Geom2d_Curve) C2d; |
717 | Standard_Real fp2d,lp2d; |
718 | if(sae.PCurve(sbwd->Edge(i),face,C2d,fp2d,lp2d)) { |
719 | if( fabs(First-fp2d)>Precision::PConfusion() || |
720 | fabs(Last-fp2d)>Precision::PConfusion() ) { |
721 | BRep_Builder B; |
722 | B.SameRange(sbwd->Edge(i),Standard_False); |
723 | } |
724 | } |
725 | } |
726 | myFixEdge->FixSameParameter ( sbwd->Edge(i) ); |
727 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
728 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
729 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
730 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL8 ); |
731 | } |
732 | } |
733 | |
734 | //:abv 10.06.02: porting C40 -> dev (CC670-12608.stp): moved from Perform() |
735 | // Update with face is needed for plane surfaces (w/o stored pcurves) |
736 | if ( NeedFix ( myFixVertexToleranceMode ) ) { |
737 | for ( i=1; i <= nb; i++) { |
738 | myFixEdge->FixVertexTolerance (sbwd->Edge (i), face); |
739 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
740 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
741 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
742 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL8 ); |
743 | } |
744 | } |
745 | |
746 | return StatusEdgeCurves ( ShapeExtend_DONE ); |
747 | } |
748 | |
749 | //======================================================================= |
750 | //function : FixDegenerated |
751 | //purpose : |
752 | //======================================================================= |
753 | |
754 | Standard_Boolean ShapeFix_Wire::FixDegenerated() |
755 | { |
756 | myStatusDegenerated = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
757 | if ( ! IsReady() ) return Standard_False; |
758 | |
759 | // if ( ! myAnalyzer->Surface()->HasSingularities ( Precision() ) ) return; |
760 | |
761 | Standard_Integer lastcoded = -1, prevcoded = 0; |
762 | Standard_Integer stop = ( myClosedMode ? 0 : 1 ); |
763 | for ( Standard_Integer i = NbEdges(); i > stop; i-- ) { |
764 | FixDegenerated ( i ); |
765 | myStatusDegenerated |= myLastFixStatus; |
766 | //:r0 abv 19 Mar 99: PRO7226.stp #489490: remove duplicated degenerated edges |
767 | Standard_Integer coded = ( LastFixStatus ( ShapeExtend_DONE2 ) ? 1 : 0 ); |
768 | if ( lastcoded ==-1 ) lastcoded = coded; |
769 | if ( coded && ( prevcoded || ( i ==1 && lastcoded ) ) && NbEdges() >1 ) { |
770 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
771 | BRep_Builder B; |
772 | sbwd->Remove ( i ); |
773 | if ( ! prevcoded ) i = NbEdges(); |
774 | B.Degenerated ( sbwd->Edge ( i++ ), Standard_False ); |
775 | prevcoded = 0; |
776 | } |
777 | else prevcoded = coded; |
778 | } |
779 | |
780 | if ( StatusDegenerated ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
781 | SendWarning (Message_Msg ("FixWire.FixDegenerated.MSG0")); //Degenerated edge(s) detected |
782 | } |
783 | |
784 | return StatusDegenerated ( ShapeExtend_DONE ); |
785 | } |
786 | |
787 | |
788 | //======================================================================= |
789 | //function : FixSelfIntersection |
790 | //purpose : Applies FixSelfIntersectingEdge and FixIntersectingEdges |
791 | // and removes wrong edges |
792 | //======================================================================= |
793 | |
794 | Standard_Boolean ShapeFix_Wire::FixSelfIntersection() |
795 | { |
796 | myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
797 | if ( ! IsReady() ) return Standard_False; |
798 | |
799 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
800 | Standard_Integer nb = sbwd->NbEdges(); |
801 | |
802 | if ( NeedFix ( myFixSelfIntersectingEdgeMode ) ) { |
803 | if (myRemoveLoopMode<1) |
804 | for ( Standard_Integer num=1; num <=nb; num++ ) |
805 | { |
806 | FixSelfIntersectingEdge ( num ); |
807 | myStatusSelfIntersection |= myLastFixStatus; |
808 | } |
809 | else if (myRemoveLoopMode==1) |
810 | { |
811 | for ( Standard_Integer num=1; num <=nb; num++ ) |
812 | { |
813 | FixSelfIntersectingEdge ( num ); |
814 | myStatusSelfIntersection |= myLastFixStatus; |
815 | if(nb<sbwd->NbEdges()) num--; |
816 | nb = sbwd->NbEdges(); |
817 | } |
818 | FixClosed(Precision()); |
819 | } |
820 | } |
821 | |
822 | if ( NeedFix ( myFixIntersectingEdgesMode ) ) { |
823 | Standard_Integer num = ( myClosedMode ? 1 : 2 ); |
824 | for ( ; nb >1 && num <= nb; num++ ) { |
825 | FixIntersectingEdges ( num ); |
826 | if ( LastFixStatus ( ShapeExtend_FAIL1 ) ) |
827 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
828 | if ( LastFixStatus ( ShapeExtend_FAIL2 ) ) |
829 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
830 | if ( ! LastFixStatus ( ShapeExtend_DONE ) ) continue; |
831 | |
832 | if ( LastFixStatus ( ShapeExtend_DONE1 ) ) |
833 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
834 | if ( LastFixStatus ( ShapeExtend_DONE2 ) ) |
835 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
836 | if(LastFixStatus (ShapeExtend_DONE6)) |
837 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
838 | |
839 | if ( ! myTopoMode || nb < 3 ) { |
840 | //#86 rln 22.03.99 sim2.igs, entity 4292: After fixing of self-intersecting |
841 | //BRepCheck finds one more self-intersection not found by ShapeAnalysis |
842 | //%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777 |
843 | //FixIntersectingEdges ( num ); |
844 | if ( LastFixStatus ( ShapeExtend_DONE7 ) ) num--; |
845 | continue; |
846 | } |
847 | |
848 | if ( LastFixStatus ( ShapeExtend_DONE4 ) ) sbwd->Remove ( num ); |
849 | if ( LastFixStatus ( ShapeExtend_DONE3 ) ) sbwd->Remove ( num >1 ? num-1 : nb+num-1 ); |
850 | if ( LastFixStatus ( ShapeExtend_DONE4 ) || |
851 | LastFixStatus ( ShapeExtend_DONE3 ) ) { |
852 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
853 | num = ( myClosedMode ? 1 : 2 ); |
854 | nb = sbwd->NbEdges(); |
855 | #ifdef DEB |
856 | cout << "Warning: ShapeFix_Wire::FixSelfIntersection: Edge removed" << endl; |
857 | #endif |
858 | } |
859 | else { |
860 | //#86 rln 22.03.99 |
861 | //%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777 |
862 | //FixIntersectingEdges ( num ); |
863 | if ( LastFixStatus ( ShapeExtend_DONE7 ) ) num--; |
864 | } |
865 | } |
866 | } |
867 | |
868 | //pdn 17.03.99 S4135 to avoid regression fixing not adjacent intersection |
869 | if ( NeedFix ( myFixNonAdjacentIntersectingEdgesMode ) ) { |
870 | |
871 | ShapeFix_IntersectionTool ITool(Context(),Precision()); |
872 | Standard_Integer NbSplit=0, NbCut=0,NbRemoved=0; |
873 | if(ITool.FixSelfIntersectWire(sbwd,myAnalyzer->Face(),NbSplit,NbCut,NbRemoved)) { |
874 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 );//gka 06.09.04 |
875 | } |
876 | if( NbSplit>0 || NbRemoved>0 ) { |
877 | if(NbRemoved>0) myStatusRemovedSegment = Standard_True; |
878 | //Load(sbwd); commented by skl 29.12.2004 for OCC7624, instead this |
879 | // string inserted following three strings: |
880 | myAnalyzer->Load ( sbwd ); |
881 | if ( ! Context().IsNull() ) UpdateWire(); |
882 | myShape.Nullify(); |
883 | } |
884 | #ifdef DEB |
885 | if (StatusSelfIntersection (ShapeExtend_DONE5)) |
886 | cout<<"Warning: ShapeFix_Wire::FixIntersection: Non-adjacent intersection fixed (split-" |
887 | <<NbSplit<<", cut-"<<NbCut<<", removed-"<<NbRemoved<<")"<<endl; |
888 | #endif |
889 | |
890 | /* |
891 | Bnd_Array1OfBox2d boxes(1,nb); |
892 | TopLoc_Location L; |
893 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L); |
894 | Handle(Geom2d_Curve) c2d; |
895 | Standard_Real cf,cl; |
896 | ShapeAnalysis_Edge sae; |
897 | for(Standard_Integer i = 1; i <= nb; i++){ |
898 | TopoDS_Edge E = sbwd->Edge (i); |
899 | if(sae.PCurve (E,S,L,c2d,cf,cl,Standard_False)) { |
900 | Bnd_Box2d box; |
901 | Geom2dAdaptor_Curve gac; |
902 | Standard_Real aFirst = c2d->FirstParameter(); |
903 | Standard_Real aLast = c2d->LastParameter(); |
904 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
905 | && (cf < aFirst || cl > aLast)) { |
906 | //pdn avoiding problems with segment in Bnd_Box |
907 | gac.Load(c2d); |
908 | } |
909 | else |
910 | gac.Load(c2d,cf,cl); |
911 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
912 | boxes(i) = box; |
913 | } |
914 | } |
915 | |
916 | Standard_Boolean isFail = Standard_False, isDone = Standard_False; |
917 | for(Standard_Integer num1 = 1; num1 < nb-1; num1++) { |
918 | Standard_Integer fin = (num1 == 1 ? nb-1 : nb); |
919 | for(Standard_Integer num2 = num1+2; num2 <= fin; num2++) |
920 | if(!boxes(num1).IsOut(boxes(num2))){ |
921 | FixIntersectingEdges (num1, num2); |
922 | isFail |= LastFixStatus ( ShapeExtend_FAIL1 ); |
923 | isDone |= LastFixStatus ( ShapeExtend_DONE1 ); |
924 | } |
925 | } |
926 | |
927 | if(isFail) |
928 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
929 | if(isDone) |
930 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
931 | #ifdef DEB |
932 | if (StatusSelfIntersection (ShapeExtend_DONE5)) |
933 | cout << "Warning: ShapeFix_Wire::FixSelfIntersection: Non ajacent intersection fixed" << endl; |
934 | #endif |
935 | */ |
936 | } |
937 | |
938 | if ( StatusSelfIntersection ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
939 | SendWarning (Message_Msg ("FixAdvWire.FixIntersection.MSG0")); // Self-intersection corrected |
940 | } |
941 | return StatusSelfIntersection ( ShapeExtend_DONE ); |
942 | } |
943 | |
944 | |
945 | //======================================================================= |
946 | //function : FixLacking |
947 | //purpose : |
948 | //======================================================================= |
949 | |
950 | Standard_Boolean ShapeFix_Wire::FixLacking ( const Standard_Boolean force ) |
951 | { |
952 | myStatusLacking = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
953 | if ( ! IsReady() ) return Standard_False; |
954 | |
955 | Standard_Integer start = ( myClosedMode ? 1 : 2 ); |
956 | for ( Standard_Integer i = start; i <= NbEdges(); i++ ) { |
957 | FixLacking ( i, force ); |
958 | myStatusLacking |= myLastFixStatus; |
959 | } |
960 | |
961 | return StatusLacking ( ShapeExtend_DONE ); |
962 | } |
963 | |
964 | |
965 | //======================================================================= |
966 | //function : FixClosed |
967 | //purpose : |
968 | //======================================================================= |
969 | |
970 | Standard_Boolean ShapeFix_Wire::FixClosed (const Standard_Real prec) |
971 | { |
972 | myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
973 | if ( ! IsLoaded() || NbEdges() <1 ) return Standard_False; |
974 | |
975 | FixConnected ( 1, prec ); |
976 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
977 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
978 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
979 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
980 | |
981 | FixDegenerated ( 1 ); |
982 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
983 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
984 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
985 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
986 | |
987 | FixLacking ( 1 ); |
988 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
989 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
990 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
991 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
992 | |
993 | return StatusClosed ( ShapeExtend_DONE ); |
994 | } |
995 | |
996 | |
997 | //####################################################################### |
998 | // Fixing methods of advanced level |
999 | //####################################################################### |
1000 | |
1001 | //======================================================================= |
1002 | //function : FixReorder |
1003 | //purpose : |
1004 | //======================================================================= |
1005 | |
1006 | Standard_Boolean ShapeFix_Wire::FixReorder (const ShapeAnalysis_WireOrder& wi) |
1007 | { |
1008 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1009 | if ( ! IsLoaded() ) return Standard_False; |
1010 | |
1011 | Standard_Integer status = wi.Status(); |
1012 | if ( status ==0 ) return Standard_False; |
1013 | if ( status <=-10 ) { |
1014 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1015 | return Standard_False; |
1016 | } |
1017 | |
1018 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
1019 | Standard_Integer i, nb = sbwd->NbEdges(); |
1020 | if ( nb != wi.NbEdges() ) { |
1021 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
1022 | return Standard_False; |
1023 | } |
1024 | // D abord on protege |
1025 | for (i = 1; i <= nb; i ++) { |
1026 | if ( wi.Ordered(i) == 0 ) { |
1027 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
1028 | return Standard_False; |
1029 | } |
1030 | } |
1031 | |
1032 | Handle(TopTools_HSequenceOfShape) newedges = new TopTools_HSequenceOfShape(); |
1033 | for ( i=1; i <= nb; i++ ) |
1034 | newedges->Append ( sbwd->Edge ( wi.Ordered(i) ) ); |
1035 | for ( i=1; i <= nb; i++ ) |
1036 | sbwd->Set ( TopoDS::Edge ( newedges->Value(i) ), i ); |
1037 | |
1038 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1039 | return Standard_True; |
1040 | } |
1041 | |
1042 | |
1043 | //======================================================================= |
1044 | //function : FixSmall |
1045 | //purpose : |
1046 | //======================================================================= |
1047 | |
1048 | Standard_Boolean ShapeFix_Wire::FixSmall (const Standard_Integer num, |
1049 | const Standard_Boolean lockvtx, |
1050 | const Standard_Real precsmall) |
1051 | { |
1052 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1053 | if ( ! IsLoaded() || NbEdges() <=1 ) return Standard_False; |
1054 | |
1055 | // analysis: |
1056 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
1057 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
1058 | Standard_Integer n = ( num >0 ? num : NbEdges() ); |
1059 | theAdvAnalyzer->CheckSmall ( n, precsmall ); |
1060 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
1061 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1062 | //:n2 return Standard_False; |
1063 | } |
1064 | |
1065 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
1066 | |
1067 | // OUI cette edge est NULLE |
1068 | |
1069 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) ) { |
1070 | // edge is small, but vertices are not the same.. |
1071 | if ( lockvtx || ! myTopoMode ) { |
1072 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
1073 | return Standard_False; |
1074 | } |
1075 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
1076 | } |
1077 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1078 | |
1079 | // action: remove edge |
1080 | if ( ! Context().IsNull() ) Context()->Remove(WireData()->Edge(n)); |
1081 | WireData()->Remove ( n ); |
1082 | |
1083 | // call FixConnected in the case if vertices of the small edge were not the same |
1084 | if ( LastFixStatus ( ShapeExtend_DONE2 ) ) { |
1085 | Standard_Integer savLastFixStatus = myLastFixStatus; |
1086 | //#43 rln 20.11.98 S4054 CTS18544 entity 21734 removing last edge |
1087 | FixConnected ( n <= NbEdges() ? n : 1, precsmall ); |
1088 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
1089 | savLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
1090 | myLastFixStatus = savLastFixStatus; |
1091 | } |
1092 | |
1093 | if ( ! myShape.IsNull() ) { |
1094 | Message_Msg MSG ("FixAdvWire.FixSmall.MSG0"); //Small edge %d removed |
1095 | MSG.Arg (n); |
1096 | SendWarning (MSG); |
1097 | } |
1098 | return Standard_True; |
1099 | } |
1100 | |
1101 | |
1102 | //======================================================================= |
1103 | //function : FixConnected |
1104 | //purpose : |
1105 | //======================================================================= |
1106 | |
1107 | Standard_Boolean ShapeFix_Wire::FixConnected (const Standard_Integer num, |
1108 | const Standard_Real prec) |
1109 | { |
1110 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1111 | if ( ! IsLoaded() || NbEdges() <=0 ) return Standard_False; |
1112 | |
1113 | // analysis |
1114 | |
1115 | myAnalyzer->CheckConnected ( num, prec < 0 ? MaxTolerance() : prec ); |
1116 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
1117 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1118 | } |
1119 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
1120 | |
1121 | // action: replacing vertex |
1122 | |
1123 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
1124 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
1125 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
1126 | TopoDS_Edge E1 = sbwd->Edge(n1); |
1127 | TopoDS_Edge E2 = sbwd->Edge(n2); |
1128 | |
1129 | ShapeAnalysis_Edge sae; |
1130 | TopoDS_Vertex V1 = sae.LastVertex (E1); |
1131 | TopoDS_Vertex V2 = sae.FirstVertex (E2); |
1132 | TopoDS_Vertex V; |
1133 | |
1134 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) ) { // absolutely confused |
1135 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1136 | //#40 rln 18.11.98 S4054 BUC60035 entity 2393 (2-nd sub-curve is edge with the same vertex) |
1137 | if ( V2.IsSame ( sae.LastVertex (E2) ) ) { |
1138 | V = V2; |
1139 | if ( ! Context().IsNull() ) |
1140 | Context()->Replace ( V1, V.Oriented(V1.Orientation()) ); |
1141 | } |
1142 | else { |
1143 | V = V1; |
1144 | if ( ! Context().IsNull() ) |
1145 | Context()->Replace ( V2, V.Oriented(V2.Orientation()) ); |
1146 | } |
1147 | } |
1148 | else { // on moyenne ... |
1149 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) ) |
1150 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
1151 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
1152 | ShapeBuild_Vertex sbv; |
1153 | V = sbv.CombineVertex ( V1, V2, 1.0001 ); |
1154 | if ( ! Context().IsNull() ) { |
1155 | Context()->Replace ( V1, V.Oriented(V1.Orientation()) ); |
1156 | Context()->Replace ( V2, V.Oriented(V2.Orientation()) ); |
1157 | } |
1158 | } |
1159 | |
1160 | // replace vertices to a new one |
1161 | ShapeBuild_Edge sbe; |
1162 | if ( sbwd->NbEdges() <2 ) { |
1163 | if(E2.Free() && myTopoMode) { |
1164 | BRep_Builder B; |
1165 | B.Remove(E2,sae.FirstVertex(E2)); |
1166 | B.Remove(E2,sae.LastVertex(E2)); |
1167 | B.Add(E2,V.Oriented(TopAbs_FORWARD)); |
1168 | B.Add(E2,V.Oriented(TopAbs_REVERSED)); |
1169 | } |
1170 | else { |
1171 | TopoDS_Edge tmpE = sbe.CopyReplaceVertices ( E2, V, V ); |
1172 | sbwd->Set ( tmpE, n2 ); |
1173 | if ( ! Context().IsNull() ) Context()->Replace(E2,tmpE); |
1174 | } |
1175 | } |
1176 | else { |
1177 | if(E2.Free() &&E1.Free() && myTopoMode) { |
1178 | BRep_Builder B; |
1179 | B.Remove(E2,sae.FirstVertex(E2)); |
1180 | B.Add(E2,V.Oriented(TopAbs_FORWARD)); |
1181 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) || |
1182 | sae.FirstVertex (E2).IsSame (sae.LastVertex (E2)) ) { |
1183 | B.Remove(E1,sae.LastVertex(E1)); |
1184 | B.Add(E1,V.Oriented(TopAbs_REVERSED)); |
1185 | } |
1186 | } |
1187 | else { |
1188 | TopoDS_Edge tmpE2 = sbe.CopyReplaceVertices ( E2, V, TopoDS_Vertex() ); |
1189 | sbwd->Set ( tmpE2, n2 ); |
1190 | if ( ! Context().IsNull() ) Context()->Replace(E2,tmpE2); |
1191 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) || |
1192 | sae.FirstVertex (E2).IsSame (sae.LastVertex (E2)) ) { |
1193 | TopoDS_Edge tmpE1 = sbe.CopyReplaceVertices ( E1, TopoDS_Vertex(), V ); |
1194 | sbwd->Set (tmpE1, n1 ); |
1195 | if ( ! Context().IsNull() ) Context()->Replace(E1,tmpE1); |
1196 | } |
1197 | } |
1198 | } |
1199 | if ( ! Context().IsNull() ) UpdateWire(); |
1200 | |
1201 | return Standard_True; |
1202 | } |
1203 | |
1204 | |
1205 | //======================================================================= |
1206 | //function : FixSeam |
1207 | //purpose : |
1208 | //======================================================================= |
1209 | |
1210 | Standard_Boolean ShapeFix_Wire::FixSeam (const Standard_Integer num) |
1211 | { |
1212 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1213 | if ( ! IsReady() ) return Standard_False; |
1214 | |
1215 | Handle(Geom2d_Curve) C1, C2; |
1216 | Standard_Real cf, cl; |
1217 | if ( ! myAnalyzer->CheckSeam (num, C1, C2, cf, cl) ) return Standard_False; |
1218 | |
1219 | BRep_Builder B; |
1220 | TopoDS_Edge E = WireData()->Edge ( num >0 ? num : NbEdges() ); |
1221 | B.UpdateEdge (E, C2,C1, Face(), 0.); //:S4136: BRep_Tool::Tolerance(E) |
1222 | B.Range (E, Face(),cf,cl); |
1223 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1224 | |
1225 | return Standard_True; |
1226 | } |
1227 | |
1228 | //======================================================================= |
1229 | //function : FixShifted |
1230 | //purpose : fix parametric curves which may be shifted |
1231 | // to whole parametric range of closed surface as result of recomputing |
1232 | // from 3d representation. |
1233 | // This can be a curve on a seam or near it. |
1234 | // This function is to be called before FixDegenerated. |
1235 | // LIMITATION: this function cannot fix cases when, e.g., closed wire is |
1236 | // composed of two meridians of the sphere and one of them is seam. |
1237 | // NOTE: wire is supposed to be closed and sorted ! |
1238 | //======================================================================= |
1239 | |
1240 | //:p4 abv 23.02.99: PRO9234 #15720: update UV points of edge |
1241 | static void UpdateEdgeUVPoints (TopoDS_Edge &E, const TopoDS_Face &F) |
1242 | { |
1243 | Standard_Real first, last; |
1244 | BRep_Tool::Range ( E, F, first, last ); |
1245 | BRep_Builder().Range ( E, F, first, last ); |
1246 | } |
1247 | |
1248 | |
1249 | //======================================================================= |
1250 | //function : FixShifted |
1251 | //purpose : |
1252 | //======================================================================= |
1253 | |
1254 | Standard_Boolean ShapeFix_Wire::FixShifted() |
1255 | { |
1256 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1257 | if ( ! IsReady() ) return Standard_False; |
1258 | |
1259 | Handle(ShapeAnalysis_Surface) surf = myAnalyzer->Surface(); |
1260 | //#78 rln 12.03.99 S4135: checking spatial closure with Precision |
1261 | Standard_Boolean uclosed = surf->IsUClosed(Precision()); |
1262 | Standard_Boolean vclosed = surf->IsVClosed(Precision()) || surf->Surface()->IsKind (STANDARD_TYPE(Geom_SphericalSurface)); |
1263 | //#67 rln 01.03.99 S4135: ims010.igs entity D11900 (2D contour is 2*PI higher than V range [-pi/2,p/2]) |
1264 | |
1265 | // PTV 26.06.2002 begin |
1266 | // CTS18546-2.igs entity 2222: base curve is periodic and 2dcurve is shifted |
1267 | Standard_Boolean IsVCrvClosed = Standard_False; |
1268 | Standard_Real VRange = 1.; |
1269 | if (surf->Surface()->IsKind (STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
1270 | Handle(Geom_SurfaceOfRevolution) aSurOfRev = Handle(Geom_SurfaceOfRevolution)::DownCast(surf->Surface()); |
1271 | Handle(Geom_Curve) aBaseCrv = aSurOfRev->BasisCurve(); |
1272 | while ( (aBaseCrv->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) || |
1273 | (aBaseCrv->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) ) { |
1274 | if (aBaseCrv->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) |
1275 | aBaseCrv = Handle(Geom_OffsetCurve)::DownCast(aBaseCrv)->BasisCurve(); |
1276 | if (aBaseCrv->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) |
1277 | aBaseCrv = Handle(Geom_TrimmedCurve)::DownCast(aBaseCrv)->BasisCurve(); |
1278 | } |
1279 | if (aBaseCrv->IsPeriodic()) { |
1280 | vclosed = Standard_True; |
1281 | VRange = aBaseCrv->Period(); |
1282 | IsVCrvClosed = Standard_True; |
1283 | #ifdef DEB |
1284 | cout << "Warning: ShapeFix_Wire::FixShifted set vclosed True for Surface of Revolution" << endl; |
1285 | #endif |
1286 | } |
1287 | } |
1288 | // PTV 26.06.2002 end |
1289 | if ( ! uclosed && ! vclosed ) return Standard_False; |
1290 | |
1291 | Standard_Real URange, /*VRange,*/ SUF, SUL, SVF, SVL; |
1292 | surf->Surface()->Bounds ( SUF, SUL, SVF, SVL ); |
1293 | Standard_Real SUMid, SVMid; |
1294 | SUMid = 0.5*(SUF+SUL); |
1295 | SVMid = 0.5*(SVF+SVL); |
1296 | if (uclosed) URange = Abs ( SUL - SUF ); |
1297 | else URange = RealLast(); |
1298 | if (!IsVCrvClosed) |
1299 | if (vclosed) VRange = Abs ( SVL - SVF ); |
1300 | else VRange = RealLast(); |
1301 | Standard_Real UTol = 0.2 * URange, VTol = 0.2 * VRange; |
1302 | |
1303 | Handle(ShapeExtend_WireData) sbwdOring = WireData(); |
1304 | ShapeAnalysis_Edge sae; |
1305 | Handle(ShapeExtend_WireData) sbwd = new ShapeExtend_WireData; |
1306 | for ( Standard_Integer i=1; i <= sbwdOring->NbEdges(); i++ ) { |
1307 | TopoDS_Edge E1 = sbwdOring->Edge ( i ); |
1308 | if ( BRep_Tool::Degenerated(E1) && !sae.HasPCurve(E1,Face())) |
1309 | continue; |
1310 | |
1311 | sbwd->Add(E1); |
1312 | } |
1313 | |
1314 | ShapeBuild_Edge sbe; |
1315 | Standard_Integer nb = sbwd->NbEdges(); |
1316 | Standard_Boolean end = (nb == 0), degstop = Standard_False;; |
1317 | Standard_Integer stop = nb; |
1318 | Standard_Integer degn2 = 0; |
1319 | gp_Pnt pdeg; |
1320 | //pdn 17.12.98 r0901_ec 38237 to shift wire at 0 |
1321 | |
1322 | //GeomAdaptor_Surface& GAS = myAnalyzer->Surface()->Adaptor3d()->ChangeSurface(); //SK |
1323 | Bnd_Box2d box; |
1324 | for ( Standard_Integer n2=1, n1=nb; ! end; n1 = n2++ ) { |
1325 | if ( n2 > nb ) n2 = 1; |
1326 | if ( n2 == stop ) end = Standard_True; |
1327 | |
1328 | TopoDS_Edge E1 = sbwd->Edge ( n1 ); |
1329 | TopoDS_Edge E2 = sbwd->Edge ( n2 ); |
1330 | |
1331 | if ( BRep_Tool::Degenerated(E1) || BRep_Tool::Degenerated(E2) ) { |
1332 | if ( ! degstop ) { stop = n2; degstop = Standard_True; } |
1333 | continue; |
1334 | } |
1335 | |
1336 | TopoDS_Vertex V = sae.FirstVertex ( E2 ); |
1337 | gp_Pnt p = BRep_Tool::Pnt ( V ); |
1338 | |
1339 | Standard_Real a1, b1, a2, b2; |
1340 | Handle(Geom2d_Curve) c2d1, c2d2; |
1341 | |
1342 | //:abv 29.08.01: torCuts.sat: distinguish degeneration by U and by V; |
1343 | // only corresponding move is prohibited |
1344 | // Standard_Boolean isDeg = surf->IsDegenerated ( p, Max ( Precision(), BRep_Tool::Tolerance(V) ) ); |
1345 | Standard_Integer isDeg = 0; |
1346 | gp_Pnt2d degP1, degP2; |
1347 | Standard_Real degT1, degT2; |
1348 | if ( surf->DegeneratedValues ( p, Max ( Precision(), BRep_Tool::Tolerance(V) ), |
1349 | degP1, degP2, degT1, degT2 ) ) |
1350 | isDeg = ( Abs ( degP1.X() - degP2.X() ) > Abs ( degP1.Y() - degP2.Y() ) ? 1 : 2 ); |
1351 | |
1352 | // abv 23 Feb 00: UKI60107-6 210: additional check for near-degenerated case |
1353 | //smh#15 PRO19800. Check if the surface is surface of revolution. |
1354 | if (surf->Surface()->IsKind (STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
1355 | if ( ! isDeg && ! vclosed ) { |
1356 | if ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) continue; |
1357 | gp_Pnt2d p1 ( SUF, c2d1->Value(b1).Y() ); |
1358 | gp_Pnt2d p2 ( SUL, c2d1->Value(b1).Y() ); |
1359 | if ( surf->IsDegenerated ( p1, p2, MaxTolerance(), 10 ) && |
1360 | ! surf->IsDegenerated ( c2d1->Value(a1), c2d1->Value(b1), MaxTolerance(), 10 ) ) // abv 31.07.00: trj4_pm1-ec-214.stp #31274: still allow work if edge already exists |
1361 | isDeg = 1; |
1362 | } |
1363 | if ( ! isDeg && ! uclosed ) { |
1364 | if ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) continue; |
1365 | gp_Pnt2d p1 ( c2d1->Value(b1).X(), SVF ); |
1366 | gp_Pnt2d p2 ( c2d1->Value(b1).X(), SVL ); |
1367 | if ( surf->IsDegenerated ( p1, p2, MaxTolerance(), 10 ) && |
1368 | ! surf->IsDegenerated ( c2d1->Value(a1), c2d1->Value(b1), MaxTolerance(), 10 ) ) // abv 31.07.00: trj4_pm1-ec-214.stp #31274: still allow work if edge already exists |
1369 | isDeg = 2; |
1370 | } |
1371 | } |
1372 | |
1373 | if ( isDeg ) { |
1374 | if ( ! degstop ) { stop = n2; degstop = Standard_True; } |
1375 | if ( ! degn2 ) { degn2 = n2; pdeg = p; } |
1376 | else if ( pdeg.SquareDistance(p) < Precision()*Precision() ) { |
1377 | degn2 = n2; |
1378 | // if ( stop < n2 ) { stop = n2; degstop = Standard_True; } |
1379 | } |
1380 | else { |
1381 | Standard_Real ax1, bx1, ax2, bx2; |
1382 | Handle(Geom2d_Curve) cx1, cx2; |
1383 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
1384 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) || |
1385 | ! sae.PCurve ( sbwd->Edge ( degn2 >1 ? degn2-1 : nb ), Face(), cx1, ax1, bx1, Standard_True ) || |
1386 | ! sae.PCurve ( sbwd->Edge ( degn2 ), Face(), cx2, ax2, bx2, Standard_True ) ) { |
1387 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1388 | continue; |
1389 | } |
1390 | gp_Pnt2d pd1 = cx1->Value ( bx1 ); |
1391 | gp_Pnt2d pd2 = cx2->Value ( ax2 ); |
1392 | gp_Pnt2d pn1 = c2d1->Value ( b1 ); |
1393 | gp_Pnt2d pn2 = c2d2->Value ( a2 ); |
1394 | gp_Vec2d x(0.,0.); // shift vector |
1395 | Standard_Real period; |
1396 | if ( uclosed ) { x.SetX ( 1. ); period = URange; } |
1397 | else { x.SetY ( 1. ); period = VRange; } |
1398 | Standard_Real rot1 = ( pn1.XY() - pd2.XY() ) ^ x.XY(); |
1399 | Standard_Real rot2 = ( pd1.XY() - pn2.XY() ) ^ x.XY(); |
1400 | Standard_Real scld = ( pd2.XY() - pd1.XY() ) * x.XY(); |
1401 | Standard_Real scln = ( pn2.XY() - pn1.XY() ) * x.XY(); |
1402 | if ( rot1 * rot2 < -::Precision::PConfusion() && |
1403 | scld * scln < -::Precision::PConfusion() && |
1404 | Abs ( scln ) > 0.1 * period && Abs ( scld ) > 0.1 * period && |
1405 | rot1 * scld > ::Precision::PConfusion() && |
1406 | rot2 * scln > ::Precision::PConfusion() ) { |
1407 | // abv 02 Mar 00: trying more sophisticated analysis (ie_exhaust-A.stp #37520) |
1408 | Standard_Real sign = ( rot2 >0 ? 1. : -1. ); |
1409 | Standard_Real deep1 = Min ( sign * ( pn2.XY() * x.XY() ), |
1410 | Min ( sign * ( pd1.XY() * x.XY() ), |
1411 | Min ( sign * ( c2d2->Value(b2 ).XY() * x.XY() ), |
1412 | Min ( sign * ( cx1->Value(ax1).XY() * x.XY() ), |
1413 | Min ( sign * ( c2d2->Value(0.5*(a2 +b2 )).XY() * x.XY() ), |
1414 | sign * ( cx1->Value(0.5*(ax1+bx1)).XY() * x.XY() ) ) ) ) ) ); |
1415 | Standard_Real deep2 = Max ( sign * ( pn1.XY() * x.XY() ), |
1416 | Max ( sign * ( pd2.XY() * x.XY() ), |
1417 | Max ( sign * ( c2d1->Value(a1 ).XY() * x.XY() ), |
1418 | Max ( sign * ( cx2->Value(bx2).XY() * x.XY() ), |
1419 | Max ( sign * ( c2d1->Value(0.5*(a1 +b1 )).XY() * x.XY() ), |
1420 | sign * ( cx2->Value(0.5*(ax2+bx2)).XY() * x.XY() ) ) ) ) ) ); |
1421 | Standard_Real deep = deep2 - deep1; // estimated current size of wire by x |
1422 | // pdn 30 Oct 00: trying correct period [0,period] (trj5_k1-tc-203.stp #4698) |
1423 | Standard_Real dx = ShapeAnalysis::AdjustToPeriod ( deep, ::Precision::PConfusion(), period+::Precision::PConfusion()); |
1424 | x *= ( scld >0 ? -dx : dx ); |
1425 | // x *= ( Abs(scld-scln) > 1.5 * period ? 2. : 1. ) * |
1426 | // ( scld >0 ? -period : period ); |
1427 | gp_Trsf2d Shift; |
1428 | Shift.SetTranslation ( x ); |
1429 | for ( Standard_Integer k=degn2; ; k++ ) { |
1430 | if ( k > nb ) k = 1; |
1431 | if ( k == n2 ) break; |
1432 | TopoDS_Edge edge = sbwd->Edge ( k ); |
1433 | if ( ! sae.PCurve ( edge, Face(), cx1, ax1, bx1, Standard_True ) ) continue; |
1434 | //cx1->Transform ( Shift ); |
1435 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
1436 | Handle(Geom2d_Curve) cx1new = Handle(Geom2d_Curve)::DownCast(cx1->Transformed(Shift)); |
1437 | sbe.ReplacePCurve(edge,cx1new,Face()); |
1438 | UpdateEdgeUVPoints ( edge, Face() ); |
1439 | } |
1440 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1441 | #ifdef DEB |
1442 | cout << "Info: ShapeFix_Wire::FixShifted(): bi - meridian case fixed" << endl; |
1443 | #endif |
1444 | } |
1445 | // degn2 = n2; pdeg = p; // ie_exhaust-A.stp #37520 |
1446 | continue; |
1447 | } |
1448 | /* |
1449 | // pdn to fix half sphere |
1450 | TopoDS_Vertex VE = sae.LastVertex ( E2 ); |
1451 | gp_Pnt pe = BRep_Tool::Pnt ( VE ); |
1452 | //pdn is second vertex on singular point ? |
1453 | if ( surf->IsDegenerated ( pe, Max ( Precision(), BRep_Tool::Tolerance(V) ) ) ) { |
1454 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
1455 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) ) { |
1456 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1457 | continue; |
1458 | } |
1459 | gp_Pnt2d p2d1 = c2d1->Value ( b1 ), p2f = c2d2->Value ( a2 ), p2l = c2d2->Value ( b2 ); |
1460 | Standard_Real pres2 = ::Precision::PConfusion(); |
1461 | Standard_Real du = 0.,dv = 0.; |
1462 | //#79 rln 15.03.99 S4135: bmarkmdl.igs entity 633 (incorrectly oriented contour) check for gap |
1463 | if(uclosed&&(Abs(p2f.X()-p2l.X())<pres2)&&Abs(p2d1.X()-p2f.X())>GAS.UResolution(Precision())) { |
1464 | if((Abs(p2f.X()-SUF)<pres2)&&(p2f.Y()<p2l.Y())) |
1465 | du = URange; |
1466 | if((Abs(p2f.X()-SUL)<pres2)&&(p2f.Y()>p2l.Y())) |
1467 | du = -URange; |
1468 | } |
1469 | if(vclosed&&(Abs(p2f.Y()-p2l.Y())<pres2)&&Abs(p2d1.Y()-p2f.Y())>GAS.VResolution(Precision())) { |
1470 | if((Abs(p2f.Y()-SVF)<pres2)&&(p2f.X()>p2l.X())) |
1471 | dv = VRange; |
1472 | if((Abs(p2f.Y()-SVL)<pres2)&&(p2f.X()<p2l.X())) |
1473 | dv = -VRange; |
1474 | } |
1475 | if ( du ==0. && dv == 0. ) continue; |
1476 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1477 | gp_Trsf2d Shift; |
1478 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
1479 | c2d2->Transform ( Shift ); |
1480 | UpdateEdgeUVPoints ( E2, Face() );//rln 15.03.99 syntax correction :E1 |
1481 | } |
1482 | */ |
1483 | //:abv 29.08.01: torCuts.sat: continue; |
1484 | } |
1485 | |
1486 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
1487 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) ) { |
1488 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1489 | continue; |
1490 | } |
1491 | gp_Pnt2d p2d1 = c2d1->Value ( b1 ); |
1492 | gp_Pnt2d p2d2 = c2d2->Value ( a2 ); |
1493 | box.Add ( p2d1 ); |
1494 | |
1495 | Standard_Real du=0., dv=0.; |
1496 | if ( uclosed && isDeg != 1 ) { |
1497 | Standard_Real dx = Abs ( p2d2.X() - p2d1.X() ); |
1498 | if ( dx > URange - UTol ) |
1499 | du = ShapeAnalysis::AdjustByPeriod ( p2d2.X(), p2d1.X(), URange ); |
1500 | else if ( dx > UTol && stop == nb ) stop = n2; //:abv 29.08.01: torCuts2.stp |
1501 | } |
1502 | if ( vclosed && isDeg != 2 ) { |
1503 | Standard_Real dy = Abs ( p2d2.Y() - p2d1.Y() ); |
1504 | if ( dy > VRange - VTol ) |
1505 | dv = ShapeAnalysis::AdjustByPeriod ( p2d2.Y(), p2d1.Y(), VRange ); |
1506 | else if ( dy > VTol && stop == nb ) stop = n2; |
1507 | } |
1508 | if ( du ==0. && dv == 0. ) continue; |
1509 | |
1510 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1511 | gp_Trsf2d Shift; |
1512 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
1513 | //c2d2->Transform ( Shift ); |
1514 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
1515 | Handle(Geom2d_Curve) c2d2new = Handle(Geom2d_Curve)::DownCast(c2d2->Transformed(Shift)); |
1516 | sbe.ReplacePCurve(E2,c2d2new,Face()); |
1517 | UpdateEdgeUVPoints ( E2, Face() ); |
1518 | } |
1519 | if ( box.IsVoid() ) return Standard_False; //#3 smh 01.04.99. S4163: Overflow, when box is void. |
1520 | |
1521 | Standard_Real umin, vmin, umax, vmax; |
1522 | box.Get ( umin, vmin, umax, vmax ); |
1523 | if ( Abs ( umin + umax - SUF - SUL ) < URange && |
1524 | Abs ( vmin + vmax - SVF - SVL ) < VRange && |
1525 | ! LastFixStatus ( ShapeExtend_DONE ) ) return Standard_False; |
1526 | |
1527 | box.SetVoid(); |
1528 | Standard_Integer n; // svv Jan11 2000 : porting on DEC |
1529 | for ( n=1; n <= nb; n++ ) { |
1530 | Standard_Real a, b; |
1531 | Handle(Geom2d_Curve) c2d; |
1532 | if ( ! sae.PCurve ( sbwd->Edge(n), Face(), c2d, a, b, Standard_True ) ) continue; |
1533 | box.Add ( c2d->Value ( a ) ); |
1534 | box.Add ( c2d->Value ( 0.5 * ( a + b ) ) ); |
1535 | } |
1536 | box.Get ( umin, vmin, umax, vmax ); |
1537 | |
1538 | Standard_Real du=0., dv=0.; |
1539 | |
1540 | if ( uclosed ) { |
1541 | Standard_Real umid = 0.5 * ( umin + umax ); |
1542 | // du = ShapeAnalysis::AdjustToPeriod(umid, SUF, SUL); |
1543 | // PTV 26.06.2002 xloop torus-apple iges face mode |
1544 | du = ShapeAnalysis::AdjustByPeriod(umid, SUMid, URange); |
1545 | } |
1546 | if ( vclosed ) { |
1547 | Standard_Real vmid = 0.5 * ( vmin + vmax ); |
1548 | // dv = ShapeAnalysis::AdjustToPeriod(vmid, SVF, SVL); |
1549 | // PTV 26.06.2002 xloop torus-apple iges face mode |
1550 | dv = ShapeAnalysis::AdjustByPeriod(vmid, SVMid, VRange); |
1551 | } |
1552 | |
1553 | if ( du ==0. && dv == 0. ) return Standard_True; |
1554 | |
1555 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
1556 | |
1557 | gp_Trsf2d Shift; |
1558 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
1559 | |
1560 | for ( n=1; n <= sbwdOring->NbEdges(); n++ ) { |
1561 | Standard_Real a, b; |
1562 | Handle(Geom2d_Curve) c2d; |
1563 | TopoDS_Edge ed = sbwdOring->Edge(n); |
1564 | if ( ! sae.PCurve ( ed, Face(), c2d, a, b, Standard_True ) ) continue; |
1565 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
1566 | Handle(Geom2d_Curve) c2d2 = Handle(Geom2d_Curve)::DownCast(c2d->Transformed(Shift)); |
1567 | sbe.ReplacePCurve(ed,c2d2,Face()); |
1568 | UpdateEdgeUVPoints ( ed, Face() ); |
1569 | } |
1570 | return Standard_True; |
1571 | } |
1572 | |
1573 | //======================================================================= |
1574 | //function : FixDegenerated |
1575 | //purpose : |
1576 | //======================================================================= |
1577 | |
1578 | Standard_Boolean ShapeFix_Wire::FixDegenerated (const Standard_Integer num) |
1579 | { |
1580 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
1581 | if ( ! IsReady() ) return Standard_False; |
1582 | |
1583 | // analysis |
1584 | gp_Pnt2d p2d1, p2d2; |
1585 | myAnalyzer->CheckDegenerated ( num, p2d1, p2d2 ); |
1586 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL1 ) ) { |
1587 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
1588 | } |
1589 | //: abv 29.08.01: torHalf2.sat: if edge was encoded as degenerated but |
1590 | // has no pcurve and no singularity is found at that point, remove it |
1591 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL2 ) ) { |
1592 | WireData()->Remove ( num ); |
1593 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
1594 | return Standard_True; |
1595 | } |
1596 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
1597 | |
1598 | // action: create degenerated edge and insert it (or replace) |
1599 | |
1600 | gp_Vec2d vect2d ( p2d1, p2d2 ); |
1601 | gp_Dir2d dir2d ( vect2d ); |
1602 | Handle(Geom2d_Line) line2d = new Geom2d_Line ( p2d1, dir2d ); |
1603 | |
1604 | TopoDS_Edge degEdge; |
1605 | BRep_Builder B; |
1606 | B.MakeEdge ( degEdge ); |
1607 | B.Degenerated ( degEdge, Standard_True ); |
1608 | B.UpdateEdge ( degEdge, line2d, Face(), ::Precision::Confusion() ); |
1609 | B.Range ( degEdge, Face(), 0., vect2d.Magnitude() ); |
1610 | |
1611 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
1612 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
1613 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
1614 | |
1615 | Standard_Boolean lack = myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ); |
1616 | Standard_Integer n3 = ( lack ? n2 : ( n2 < sbwd->NbEdges() ? n2+1 : 1 ) ); |
1617 | |
1618 | ShapeAnalysis_Edge sae; |
1619 | TopoDS_Vertex V1 = sae.LastVertex ( sbwd->Edge ( n1 ) ); |
1620 | TopoDS_Vertex V2 = sae.FirstVertex ( sbwd->Edge ( n3 ) ); |
1621 | |
1622 | V1.Orientation(TopAbs_FORWARD); |
1623 | V2.Orientation(TopAbs_REVERSED); |
1624 | B.Add(degEdge,V1); |
1625 | B.Add(degEdge,V2); |
1626 | degEdge.Orientation(TopAbs_FORWARD); |
1627 | |
1628 | if ( lack ) { |
1629 | sbwd->Add ( degEdge, n2 ); |
1630 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
1631 | } |
1632 | else { |
1633 | sbwd->Set ( degEdge, n2 ); |
1634 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
1635 | } |
1636 | //: abv 28.08.01 - commented to avoid extra messages |
1637 | // Message_Msg MSG ("FixWire.FixDegenerated.MSG5"); //Degenerated edge %d detected |
1638 | // MSG.Arg (n2); |
1639 | // SendWarning (MSG); |
1640 | return Standard_True; |
1641 | } |
1642 | |
1643 | //======================================================================= |
1644 | //function : FixSelfIntersectingEdge |
1645 | //purpose : Tests edge for self-intersection and updates tolerance of vertex |
1646 | // if intersection is found |
1647 | // Returns True if tolerance was increased |
1648 | //======================================================================= |
1649 | |
1650 | // Create edge on basis of E with new pcurve and call FixSP |
1651 | // Return resulting tolerance and modified pcurve |
1652 | static Standard_Boolean TryNewPCurve (const TopoDS_Edge &E, const TopoDS_Face &face, |
1653 | Handle(Geom2d_Curve) &c2d, |
1654 | Standard_Real &first, |
1655 | Standard_Real &last, |
1656 | Standard_Real &tol) |
1657 | { |
1658 | Standard_Real f, l; |
1659 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
1660 | if ( crv.IsNull() ) return Standard_False; |
1661 | |
1662 | // make temp edge and compute tolerance |
1663 | BRepBuilderAPI_MakeEdge mkedge ( crv, f, l ); |
1664 | |
1665 | ShapeBuild_Edge SBE; //skl 17.07.2001 |
1666 | SBE.SetRange3d(mkedge,f,l); //skl 17.07.2001 |
1667 | |
1668 | if ( ! mkedge.IsDone() ) return Standard_False; |
1669 | |
1670 | TopoDS_Edge edge = mkedge; |
1671 | BRep_Builder B; |
1672 | B.UpdateEdge ( edge, c2d, face, 0. ); |
1673 | B.Range ( edge, face, first, last ); |
1674 | B.SameRange ( edge, Standard_False ); |
1675 | // no call to BRepLib: B.SameParameter ( edge, Standard_False ); |
1676 | |
1677 | Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge; |
1678 | sfe->FixSameParameter ( edge ); |
1679 | c2d = BRep_Tool::CurveOnSurface ( edge, face, first, last ); |
1680 | tol = BRep_Tool::Tolerance ( edge ); |
1681 | return Standard_True; |
1682 | } |
1683 | |
1684 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: |
1685 | // Try to cut out the loop on the pcurve and make new pcurve by concatenating |
1686 | // the parts. |
1687 | // If result is not SameParameter with prec, does nothing and returns False |
1688 | // Warning: resulting pcurve will be C0 |
1689 | |
1690 | //======================================================================= |
1691 | //function : howMuchPCurves |
1692 | //purpose : OCC901 |
1693 | //======================================================================= |
1694 | static Standard_Integer howMuchPCurves (const TopoDS_Edge &E) |
1695 | { |
1696 | Standard_Integer count = 0; |
1697 | BRep_ListIteratorOfListOfCurveRepresentation itcr |
1698 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); |
1699 | |
1700 | while (itcr.More()) { |
1701 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); |
1702 | if ( cr->IsCurveOnSurface() ) |
1703 | count++; |
1704 | itcr.Next(); |
1705 | } |
1706 | |
1707 | return count; |
1708 | } |
1709 | |
1710 | |
1711 | //======================================================================= |
1712 | //function : RemoveLoop |
1713 | //purpose : |
1714 | //======================================================================= |
1715 | static Standard_Boolean RemoveLoop (TopoDS_Edge &E, const TopoDS_Face &face, |
1716 | const IntRes2d_IntersectionPoint &IP, |
1717 | const Standard_Real tolfact, |
1718 | const Standard_Real prec, |
1719 | const Standard_Boolean RemoveLoop3d) |
1720 | { |
1721 | Standard_Boolean loopRemoved3d; |
1722 | if ( BRep_Tool::IsClosed ( E, face ) ) return Standard_False; |
1723 | |
1724 | Standard_Real f, l; |
1725 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
1726 | |
1727 | Standard_Real t1 = IP.ParamOnFirst(); |
1728 | Standard_Real t2 = IP.ParamOnSecond(); |
1729 | if ( t1 > t2 ) { Standard_Real t = t1; t1 = t2; t2 = t; } |
1730 | |
1731 | ShapeAnalysis_Edge sae; |
1732 | Standard_Real a, b; |
1733 | Handle(Geom2d_Curve) c2d; |
1734 | if ( ! sae.PCurve ( E, face, c2d, a, b, Standard_False ) ) |
1735 | return Standard_False; |
1736 | |
1737 | #ifdef DEB |
1738 | cout << "Cut Loop: params (" << t1 << ", " << t2; |
1739 | #endif |
1740 | GeomAdaptor_Curve GAC ( crv, f, l ); |
1741 | Standard_Real dt = tolfact * GAC.Resolution(prec); |
1742 | t1 -= dt; //1e-3;//::Precision::PConfusion(); |
1743 | t2 += dt; //1e-3;//::Precision::PConfusion(); |
1744 | #ifdef DEB |
1745 | cout << ") -> (" << t1 << ", " << t2 << ")" << endl; |
1746 | #endif |
1747 | |
1748 | if ( t1 <= a || t2 >= b ) { // should not be so, but to be sure .. |
1749 | return Standard_False; |
1750 | } |
1751 | |
1752 | // direct construction causes error on osf system. |
1753 | gp_Pnt p(0,0,0); |
1754 | gp_Dir d(0,0,1); |
1755 | gp_Ax3 ax(p, d); |
1756 | gp_Pln Pln (ax); |
1757 | |
1758 | // PTV OCC884 |
1759 | Handle(Geom_Plane) aPlaneSurf = Handle(Geom_Plane)::DownCast( BRep_Tool::Surface(face) ); |
1760 | Handle(Geom_Curve) pcurve3d = crv; |
1761 | if ( !aPlaneSurf.IsNull() ) { |
1762 | Pln = aPlaneSurf->Pln(); |
1763 | } |
1764 | else |
1765 | pcurve3d = GeomAPI::To3d ( c2d, Pln ); |
1766 | |
1767 | // first segment |
1768 | //Handle(Geom_Curve) pcurve3d = GeomAPI::To3d ( c2d, Pln ); |
1769 | Handle(Geom_TrimmedCurve) trim = new Geom_TrimmedCurve (pcurve3d, a, t1); |
1770 | GeomConvert_CompCurveToBSplineCurve connect ( trim ); |
1771 | |
1772 | // null-length segment patch instead of loop |
1773 | TColgp_Array1OfPnt Poles(1,2); |
1774 | TColStd_Array1OfReal Knots(1,2); |
1775 | TColStd_Array1OfInteger Mults(1,2); |
1776 | |
1777 | Poles.SetValue(1,trim->Value(t1)); |
1778 | Knots.SetValue(1,t1); |
1779 | Mults.SetValue(1,2); |
1780 | |
1781 | trim = new Geom_TrimmedCurve (pcurve3d, t2, b); |
1782 | Poles.SetValue(2,trim->Value(t2)); |
1783 | Knots.SetValue(2,t2); |
1784 | Mults.SetValue(2,2); |
1785 | |
1786 | Handle(Geom_BSplineCurve) patch = new Geom_BSplineCurve ( Poles, Knots, Mults, 1 ); |
1787 | if ( ! connect.Add (patch, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
1788 | return Standard_False; |
1789 | |
1790 | // last segment |
1791 | if ( ! connect.Add (trim, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
1792 | return Standard_False; |
1793 | // PTV OCC884 |
1794 | // keep created 3d curve |
1795 | Handle(Geom_Curve) aNew3dCrv = connect.BSplineCurve(); |
1796 | |
1797 | |
1798 | Handle(Geom2d_Curve) bs = GeomAPI::To2d ( aNew3dCrv, Pln ); |
1799 | if ( bs.IsNull() ) return Standard_False; |
1800 | |
1801 | // make temp edge and compute tolerance |
1802 | BRep_Builder B; |
1803 | |
1804 | if(!RemoveLoop3d) { // old variant (not remove loop 3d) |
1805 | Standard_Real newtol=0; |
1806 | // OCC901 |
1807 | Standard_Integer nbC2d = howMuchPCurves( E ); |
1808 | if ( nbC2d <= 1 && !aPlaneSurf.IsNull() ) |
1809 | B.UpdateEdge ( E, bs, face, 0 ); |
1810 | else |
1811 | if ( ! TryNewPCurve ( E, face, bs, a, b, newtol ) ) return Standard_False; |
1812 | |
1813 | Standard_Real tol = BRep_Tool::Tolerance ( E ); |
1814 | #ifdef DEB |
1815 | cout << "Cut Loop: tol orig " << tol << ", prec " << prec << ", new tol " << newtol << endl; |
1816 | #endif |
1817 | if ( newtol > Max ( prec, tol ) ) return Standard_False; |
1818 | //:s2 bs = BRep_Tool::CurveOnSurface ( edge, face, a, b ); |
1819 | if ( Abs ( a - f ) > ::Precision::PConfusion() || // smth strange, cancel |
1820 | Abs ( b - l ) > ::Precision::PConfusion() ) return Standard_False; |
1821 | // PTV OCC884 |
1822 | if ( !aPlaneSurf.IsNull() ) { |
1823 | B.UpdateEdge ( E, aNew3dCrv, Max (newtol, tol) ); |
1824 | // OCC901 |
1825 | if ( ! TryNewPCurve ( E, face, bs, a, b, newtol ) ) return Standard_False; |
1826 | } |
1827 | B.UpdateEdge ( E, bs, face, newtol ); |
1828 | B.UpdateVertex ( sae.FirstVertex ( E ), newtol ); |
1829 | B.UpdateVertex ( sae.LastVertex ( E ), newtol ); |
1830 | return Standard_True; |
1831 | } |
1832 | |
1833 | //:q1 |
1834 | TopLoc_Location L; |
1835 | Handle(Geom_Surface) S = BRep_Tool::Surface(face, L); |
1836 | Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(c2d); |
1837 | Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(S); |
1838 | |
1839 | Adaptor3d_CurveOnSurface ACS(AC,AS); |
1840 | gp_Pnt P1(ACS.Value(t1)); |
1841 | gp_Pnt P2(ACS.Value(t2)); |
1842 | gp_Pnt pcurPnt((P1.X()+P2.X())/2,(P1.Y()+P2.Y())/2,(P1.Z()+P2.Z())/2); |
1843 | |
1844 | ShapeAnalysis_TransferParametersProj SFTP(E,face); |
1845 | Handle(TColStd_HSequenceOfReal) Seq2d = new TColStd_HSequenceOfReal; |
1846 | Seq2d->Append(t1); |
1847 | Seq2d->Append(t2); |
1848 | Seq2d->Append((t1+t2)/2); |
1849 | Handle(TColStd_HSequenceOfReal) Seq3d = new TColStd_HSequenceOfReal; |
1850 | Seq3d->Append(SFTP.Perform(Seq2d,Standard_False)); |
1851 | |
1852 | Standard_Real dist1 = pcurPnt.Distance(crv->Value(Seq3d->Value(1)));// correting Seq3d already project |
1853 | Standard_Real dist2 = pcurPnt.Distance(crv->Value(Seq3d->Value(2))); |
1854 | Standard_Real dist3 = pcurPnt.Distance(crv->Value(Seq3d->Value(3))); |
1855 | Standard_Real ftrim,ltrim; |
1856 | if(dist3>Max(dist1,dist2)) { |
1857 | loopRemoved3d = Standard_False; |
1858 | } |
1859 | else { |
1860 | loopRemoved3d = Standard_True; |
1861 | } |
1862 | |
1863 | Handle(Geom_Curve) bs1; |
1864 | |
1865 | if (!loopRemoved3d) { |
1866 | // create new 3d curve |
1867 | ftrim = Seq3d->Value(1); |
1868 | ltrim = Seq3d->Value(2); |
1869 | ftrim-=dt; |
1870 | ltrim+=dt; |
1871 | Handle(Geom_TrimmedCurve) trim1 = new Geom_TrimmedCurve (crv, f, ftrim); |
1872 | GeomConvert_CompCurveToBSplineCurve connect1 ( trim1 ); |
1873 | TColgp_Array1OfPnt Poles1(1,2); |
1874 | TColStd_Array1OfReal Knots1(1,2); |
1875 | TColStd_Array1OfInteger Mults1(1,2); |
1876 | |
1877 | Poles1.SetValue(1,trim1->Value(ftrim)); |
1878 | Knots1.SetValue(1,ftrim); |
1879 | Mults1.SetValue(1,2); |
1880 | |
1881 | trim1 = new Geom_TrimmedCurve (crv, ltrim, l); |
1882 | Poles1.SetValue(2,trim1->Value(ltrim)); |
1883 | Knots1.SetValue(2,ltrim); |
1884 | Mults1.SetValue(2,2); |
1885 | |
1886 | // create b-spline curve |
1887 | Handle(Geom_BSplineCurve) patch1 = new Geom_BSplineCurve ( Poles1, Knots1, Mults1, 1 ); |
1888 | |
1889 | if ( ! connect1.Add (patch1, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
1890 | return Standard_False; |
1891 | |
1892 | // last segment |
1893 | if ( ! connect1.Add (trim1, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
1894 | return Standard_False; |
1895 | |
1896 | bs1 = connect1.BSplineCurve(); |
1897 | |
1898 | if ( bs1.IsNull() ) |
1899 | return Standard_False; |
1900 | } |
1901 | // Standard_Real oldtol = BRep_Tool::Tolerance ( E ); |
1902 | |
1903 | if (!loopRemoved3d) |
1904 | B.UpdateEdge ( E, bs1, L, 0. ); |
1905 | B.UpdateEdge ( E, bs, face, 0. ); |
1906 | B.Range ( E, face, f, l ); |
1907 | B.SameRange ( E, Standard_False ); |
1908 | |
1909 | Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge; |
1910 | sfe->FixSameParameter ( E ); |
1911 | |
1912 | return Standard_True; |
1913 | } |
1914 | |
1915 | //======================================================================= |
1916 | //function : RemoveLoop |
1917 | //purpose : |
1918 | //======================================================================= |
1919 | static Standard_Boolean RemoveLoop (TopoDS_Edge &E, const TopoDS_Face &face, |
1920 | const IntRes2d_IntersectionPoint &IP2d, |
1921 | TopoDS_Edge &E1, |
1922 | TopoDS_Edge &E2) |
1923 | { |
1924 | #ifdef DEB |
1925 | cout<<"Info: ShapeFix_Wire::FixSelfIntersection : Try insert vertex"<<endl; |
1926 | #endif |
1927 | |
1928 | if ( BRep_Tool::IsClosed ( E, face ) ) return Standard_False; |
1929 | |
1930 | Standard_Real f, l; |
1931 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
1932 | |
1933 | Standard_Real t1 = IP2d.ParamOnFirst(); |
1934 | Standard_Real t2 = IP2d.ParamOnSecond(); |
1935 | |
1936 | if ( t1 > t2 ) |
1937 | { |
1938 | Standard_Real t = t1; t1 = t2; t2 = t; |
1939 | } |
1940 | |
1941 | ShapeAnalysis_Edge sae; |
1942 | |
1943 | // define vertexes Vfirst , Vlast, Vmid |
1944 | TopoDS_Vertex Vfirst,Vlast,Vmid; |
1945 | // initialize Vfirst and Vlast |
1946 | Vfirst = sae.FirstVertex(E); |
1947 | Vlast = sae.LastVertex(E); |
1948 | |
1949 | // find a 2d curve and parameters from edge E |
1950 | Standard_Real a, b; |
1951 | Handle (Geom2d_Curve) c2d; |
1952 | if ( ! sae.PCurve ( E, face, c2d, a, b, Standard_False ) ) |
1953 | return Standard_False; |
1954 | |
1955 | // first segment for 2d curve |
1956 | Handle(Geom2d_TrimmedCurve) trim1; |
1957 | if( (t1-a)>Precision::PConfusion() ) |
1958 | trim1 = new Geom2d_TrimmedCurve (c2d, a, t1); |
1959 | // second segment for 2d curve |
1960 | Handle(Geom2d_TrimmedCurve) trim2 = new Geom2d_TrimmedCurve (c2d, t2, b); |
1961 | |
1962 | // if ( trim1.IsNull() || trim2.IsNull() ) |
1963 | if(trim2.IsNull()) |
1964 | return Standard_False; |
1965 | |
1966 | TopLoc_Location L; |
1967 | Handle (Geom_Surface) S = BRep_Tool::Surface(face, L); |
1968 | Handle (Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(c2d); |
1969 | Handle (GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(S); |
1970 | |
1971 | Adaptor3d_CurveOnSurface ACS(AC,AS); |
1972 | gp_Pnt P1(ACS.Value(t1)); |
1973 | gp_Pnt P2(ACS.Value(t2)); |
1974 | gp_Pnt pcurPnt((P1.X()+P2.X())/2,(P1.Y()+P2.Y())/2,(P1.Z()+P2.Z())/2); |
1975 | |
1976 | // transfer parameters from pcurve to 3d curve |
1977 | ShapeAnalysis_TransferParametersProj SFTP(E,face); |
1978 | Handle (TColStd_HSequenceOfReal) Seq2d = new TColStd_HSequenceOfReal; |
1979 | Seq2d->Append(t1); |
1980 | Seq2d->Append(t2); |
1981 | Seq2d->Append((t1+t2)/2); |
1982 | Handle (TColStd_HSequenceOfReal) Seq3d = new TColStd_HSequenceOfReal; |
1983 | Seq3d->Append(SFTP.Perform(Seq2d,Standard_False)); |
1984 | |
1985 | Standard_Real dist1 = pcurPnt.Distance(crv->Value(Seq3d->Value(1)));// correting Seq3d already project |
1986 | Standard_Real dist2 = pcurPnt.Distance(crv->Value(Seq3d->Value(2))); |
1987 | Standard_Real dist3 = pcurPnt.Distance(crv->Value(Seq3d->Value(3))); |
1988 | Standard_Real ftrim,ltrim; |
1989 | if ( dist3 > Max(dist1, dist2)) { // is loop in 3d |
1990 | ftrim = Seq3d->Value(1); |
1991 | ltrim = Seq3d->Value(2); |
1992 | } |
1993 | else { // not loop in 3d |
1994 | ftrim = Seq3d->Value(3); |
1995 | ltrim = Seq3d->Value(3); |
1996 | } |
1997 | |
1998 | // ftrim = Seq3d->Value(1); |
1999 | // ltrim = Seq3d->Value(2); |
2000 | |
2001 | // trim for 3d curve 'crv' with parameters from 'f' to 'l' |
2002 | Handle(Geom_TrimmedCurve) trim3; |
2003 | if(!trim1.IsNull()) |
2004 | trim3 = new Geom_TrimmedCurve (crv, f, ftrim); |
2005 | // second segment for 3d curve |
2006 | Handle(Geom_TrimmedCurve) trim4 = new Geom_TrimmedCurve (crv, ltrim, l); |
2007 | |
2008 | // if ( trim3.IsNull() || trim4.IsNull() ) |
2009 | if(trim4.IsNull()) |
2010 | return Standard_False; |
2011 | |
2012 | // create a point for middle vertex |
2013 | gp_Pnt pnt1 = crv->Value(ftrim); |
2014 | gp_Pnt pnt2 = crv->Value(ltrim); |
2015 | gp_Pnt Pmid((pnt1.X()+pnt2.X())/2,(pnt1.Y()+pnt2.Y())/2,(pnt1.Z()+pnt2.Z())/2); |
2016 | |
2017 | BRep_Builder B; |
2018 | |
2019 | // create new copies for E1 and E2 |
2020 | if(!trim1.IsNull()) |
2021 | E1=TopoDS::Edge(E.EmptyCopied()); |
2022 | E2=TopoDS::Edge(E.EmptyCopied()); |
2023 | |
2024 | // initialize middle vertex Vmid |
2025 | if(trim1.IsNull()) |
2026 | B.MakeVertex(Vmid, pnt2, 0.); |
2027 | else |
2028 | B.MakeVertex(Vmid, Pmid, 0.); |
2029 | |
2030 | ShapeBuild_Edge sbe; |
2031 | |
2032 | // replace verteces for new edges E1 and E2 |
2033 | if (E.Orientation()== TopAbs_FORWARD) |
2034 | { |
2035 | if(!E1.IsNull()) |
2036 | E1=sbe.CopyReplaceVertices(E1,Vfirst,Vmid); |
2037 | E2=sbe.CopyReplaceVertices(E2,Vmid, Vlast); |
2038 | } |
2039 | else |
2040 | { |
2041 | if(!E1.IsNull()) |
2042 | E1=sbe.CopyReplaceVertices(E1,Vmid, Vlast); |
2043 | E2=sbe.CopyReplaceVertices(E2,Vfirst, Vmid); |
2044 | } |
2045 | |
2046 | // Update edges by 2d and 3d curves |
2047 | Handle(ShapeFix_Edge) mySfe = new ShapeFix_Edge; |
2048 | if(!E1.IsNull()) { |
2049 | B.UpdateEdge(E1, trim1, face, 0.); |
2050 | B.UpdateEdge(E1, trim3, 0.); |
2051 | B.Range(E1, f, ftrim); |
2052 | B.SameRange(E1,Standard_False); |
2053 | // B.SameParameter(E1,Standard_False); |
2054 | mySfe->FixSameParameter(E1); |
2055 | mySfe->FixVertexTolerance(E1); |
2056 | } |
2057 | B.UpdateEdge(E2, trim2, face, 0.); |
2058 | B.UpdateEdge(E2, trim4, 0.); |
2059 | B.Range ( E2,ltrim,l ); |
2060 | B.SameRange(E2, Standard_False ); |
2061 | // B.SameParameter(E2, Standard_False); |
2062 | mySfe->FixSameParameter(E2); |
2063 | mySfe->FixVertexTolerance(E2); |
2064 | |
2065 | return Standard_True; |
2066 | } |
2067 | |
2068 | |
2069 | //======================================================================= |
2070 | //function : FixSelfIntersectingEdge |
2071 | //purpose : |
2072 | //======================================================================= |
2073 | |
2074 | Standard_Boolean ShapeFix_Wire::FixSelfIntersectingEdge (const Standard_Integer num) |
2075 | { |
2076 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
2077 | if ( ! IsReady() ) return Standard_False; |
2078 | |
2079 | // analysis |
2080 | IntRes2d_SequenceOfIntersectionPoint points2d; |
2081 | TColgp_SequenceOfPnt points3d; |
2082 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
2083 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
2084 | theAdvAnalyzer->CheckSelfIntersectingEdge ( num, points2d, points3d ); |
2085 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
2086 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2087 | } |
2088 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
2089 | |
2090 | // action: increase tolerance of vertex |
2091 | |
2092 | TopoDS_Edge E = WireData()->Edge ( num >0 ? num : NbEdges() ); |
2093 | |
2094 | ShapeAnalysis_Edge sae; |
2095 | TopoDS_Vertex V1 = sae.FirstVertex ( E ); |
2096 | TopoDS_Vertex V2 = sae.LastVertex ( E ); |
2097 | Standard_Real tol1 = BRep_Tool::Tolerance ( V1 ); |
2098 | Standard_Real tol2 = BRep_Tool::Tolerance ( V2 ); |
2099 | gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 ); |
2100 | gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 ); |
2101 | |
2102 | // cycle is to verify fix in case of RemoveLoop |
2103 | Standard_Real tolfact = 0.1; // factor for shifting by parameter in RemoveLoop |
2104 | Standard_Real f2d, l2d; |
2105 | Handle(Geom2d_Curve) c2d; |
2106 | Standard_Real newtol=0.; // = Precision(); |
2107 | |
2108 | if (myRemoveLoopMode<1) { |
2109 | for ( Standard_Integer iter=0; iter < 30; iter++ ) { |
2110 | Standard_Boolean loopRemoved = Standard_False;; |
2111 | Standard_Real prevFirst = 0 , prevLast = 0; |
2112 | for ( Standard_Integer i=1; i<=points2d.Length(); i++ ) { |
2113 | gp_Pnt pint = points3d.Value(i); |
2114 | Standard_Real dist21 = pnt1.SquareDistance ( pint ); |
2115 | Standard_Real dist22 = pnt2.SquareDistance ( pint ); |
2116 | if ( dist21 < tol1 * tol1 || dist22 < tol2 * tol2 ) continue; |
2117 | newtol = 1.001 * Sqrt ( Min ( dist21, dist22 ) ); //:f8 |
2118 | |
2119 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: try to remove loop |
2120 | if ( myGeomMode ) { |
2121 | if ( c2d.IsNull() ) |
2122 | sae.PCurve ( E, Face(), c2d, f2d, l2d, Standard_False ); |
2123 | Standard_Real firstpar = points2d.Value(i).ParamOnFirst(); |
2124 | Standard_Real lastpar = points2d.Value(i).ParamOnSecond(); |
2125 | if(firstpar > prevFirst && lastpar < prevLast) continue; |
2126 | if ( RemoveLoop (E, Face(), points2d.Value(i), tolfact, |
2127 | Min( MaxTolerance(), Max(newtol,Precision()) ), |
2128 | myRemoveLoopMode==0 ) ) { |
2129 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
2130 | loopRemoved = Standard_True; |
2131 | prevFirst = firstpar; |
2132 | prevLast = lastpar; |
2133 | continue; // repeat of fix on that edge required (to be done by caller) |
2134 | } |
2135 | } |
2136 | if ( newtol < MaxTolerance() ) { |
2137 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
2138 | BRep_Builder B; |
2139 | if ( dist21 < dist22 ) B.UpdateVertex ( V1, tol1 = newtol ); |
2140 | else B.UpdateVertex ( V2, tol2 = newtol ); |
2141 | } |
2142 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
2143 | } |
2144 | |
2145 | // after RemoveLoop, check that self-intersection disappeared |
2146 | if ( loopRemoved ) { |
2147 | IntRes2d_SequenceOfIntersectionPoint pnts2d; |
2148 | TColgp_SequenceOfPnt pnts3d; |
2149 | theAdvAnalyzer->CheckSelfIntersectingEdge ( num, pnts2d, pnts3d ); |
2150 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) break; |
2151 | //points3d.Append(pnts3d); |
2152 | //points2d.Append(pnts2d); |
2153 | points3d = pnts3d; |
2154 | points2d = pnts2d; |
2155 | BRep_Builder B; |
2156 | B.UpdateEdge ( E, c2d, Face(), 0. ); |
2157 | B.Range ( E, Face(), f2d, l2d ); |
2158 | //newtol+=Precision(); |
2159 | } |
2160 | else { |
2161 | break; |
2162 | } |
2163 | } |
2164 | } |
2165 | |
2166 | //=============================================== |
2167 | // RemoveLoopMode = 1 , insert vertex |
2168 | //=============================================== |
2169 | if (myRemoveLoopMode == 1) { |
2170 | // after fixing will be nb+1 edges |
2171 | Standard_Boolean loopRemoved; |
2172 | // create a sequence of resulting edges |
2173 | Handle (TopTools_HSequenceOfShape) TTSS = new TopTools_HSequenceOfShape; |
2174 | TopoDS_Edge E2; |
2175 | |
2176 | loopRemoved = Standard_False; |
2177 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: try to remove loop |
2178 | if ( myGeomMode ) { |
2179 | if ( c2d.IsNull() ) |
2180 | sae.PCurve ( E, Face(), c2d, f2d, l2d, Standard_False ); |
2181 | TopoDS_Edge E1; |
2182 | if ( RemoveLoop (E, Face(), points2d.Value(1),E1,E2) ) { |
2183 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
2184 | loopRemoved = Standard_True; |
2185 | if(!E1.IsNull()) { |
2186 | TTSS->Append(E1); |
2187 | newtol = Max(BRep_Tool::Tolerance(E1),BRep_Tool::Tolerance(E2)); |
2188 | } |
2189 | else |
2190 | newtol = BRep_Tool::Tolerance(E2); |
2191 | } |
2192 | } |
2193 | |
2194 | TTSS->Append(E2); |
2195 | |
2196 | if ( newtol > MaxTolerance() ) |
2197 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
2198 | |
2199 | ShapeExtend_WireData sewd; |
2200 | for (Standard_Integer i=1 ; i <= TTSS->Length(); i++) { |
2201 | sewd.Add(TopoDS::Edge(TTSS->Value(i))); |
2202 | } |
2203 | if (! Context().IsNull()) { |
2204 | Context()->Replace ( E, sewd.Wire() ); |
2205 | UpdateWire(); |
2206 | } |
2207 | else { |
2208 | WireData()->Remove(num >0 ? num : NbEdges()); |
2209 | WireData()->Add(sewd.Wire(), num >0 ? num : NbEdges()); |
2210 | } |
2211 | if (loopRemoved) |
2212 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
2213 | |
2214 | } |
2215 | |
2216 | if ( LastFixStatus ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
2217 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG5"); //Edge %d was self-intersecting, corrected |
2218 | MSG.Arg (num); |
2219 | SendWarning (MSG); |
2220 | } |
2221 | |
2222 | return LastFixStatus ( ShapeExtend_DONE ); |
2223 | } |
2224 | |
2225 | |
2226 | //======================================================================= |
2227 | //function : ComputeLocalDeviation |
2228 | //purpose : auxilary |
2229 | //======================================================================= |
2230 | static Standard_Real ComputeLocalDeviation (const TopoDS_Edge &edge, |
2231 | const gp_Pnt &pint,const gp_Pnt &pnt, |
2232 | Standard_Real f, Standard_Real l, |
2233 | const TopoDS_Face &face ) |
2234 | { |
2235 | ShapeAnalysis_Edge sae; |
2236 | Handle(Geom_Curve) c3d; |
2237 | Standard_Real a, b; |
2238 | if ( ! sae.Curve3d ( edge, c3d, a, b, Standard_False ) ) return RealLast(); |
2239 | |
2240 | gp_Lin line ( pint, gp_Vec ( pint, pnt ) ); |
2241 | |
2242 | Handle(Geom2d_Curve) Crv; |
2243 | Standard_Real fp,lp; |
2244 | if ( sae.PCurve(edge,face,Crv,fp,lp,Standard_False) ) { |
2245 | if(Crv->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) { |
2246 | Handle(Geom2d_TrimmedCurve) tc = Handle(Geom2d_TrimmedCurve)::DownCast(Crv); |
2247 | if(tc->BasisCurve()->IsKind(STANDARD_TYPE(Geom2d_Line))) { |
2248 | f = a + (f-fp)*(b-a)/(lp-fp); |
2249 | l = a + (l-fp)*(b-a)/(lp-fp); |
2250 | } |
2251 | } |
2252 | } |
2253 | |
2254 | const Standard_Integer NSEG = 10; |
2255 | Standard_Real step = ( l - f ) / NSEG; |
2256 | Standard_Real dev = 0.; |
2257 | for ( Standard_Integer i=1; i < NSEG; i++ ) { |
2258 | gp_Pnt p = c3d->Value ( f + i * step ); |
2259 | Standard_Real d = line.Distance ( p ); |
2260 | if ( dev < d ) dev = d; |
2261 | } |
2262 | return dev; |
2263 | } |
2264 | |
2265 | //======================================================================= |
2266 | //function : FixIntersectingEdges |
2267 | //purpose : |
2268 | //======================================================================= |
2269 | |
2270 | Standard_Boolean ShapeFix_Wire::FixIntersectingEdges (const Standard_Integer num) |
2271 | { |
2272 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
2273 | if ( ! IsReady() || NbEdges() <2 ) return Standard_False; |
2274 | |
2275 | // analysis |
2276 | IntRes2d_SequenceOfIntersectionPoint points2d; |
2277 | TColgp_SequenceOfPnt points3d; |
2278 | TColStd_SequenceOfReal errors; |
2279 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
2280 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
2281 | theAdvAnalyzer->CheckIntersectingEdges ( num, points2d, points3d, errors ); |
2282 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
2283 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2284 | } |
2285 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
2286 | |
2287 | //rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge) |
2288 | //:l0 Standard_Boolean isLacking = myAnalyzer->CheckLacking ( num ); |
2289 | |
2290 | // action: increase tolerance of vertex |
2291 | |
2292 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
2293 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
2294 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
2295 | TopoDS_Edge E1 = sbwd->Edge(n1); |
2296 | TopoDS_Edge E2 = sbwd->Edge(n2); |
2297 | Standard_Boolean isForward1 = ( E1.Orientation() == TopAbs_FORWARD ); |
2298 | Standard_Boolean isForward2 = ( E2.Orientation() == TopAbs_FORWARD ); |
2299 | Standard_Real a1, b1, a2, b2; |
2300 | BRep_Tool::Range ( E1, Face(), a1, b1 ); |
2301 | BRep_Tool::Range ( E2, Face(), a2, b2 ); |
2302 | |
2303 | ShapeAnalysis_Edge sae; |
2304 | TopoDS_Vertex Vp = sae.FirstVertex ( E1 ); |
2305 | TopoDS_Vertex V1 = sae.LastVertex ( E1 ); |
2306 | TopoDS_Vertex V2 = sae.FirstVertex ( E2 ); |
2307 | TopoDS_Vertex Vn = sae.LastVertex ( E2 ); |
2308 | |
2309 | Standard_Real tol = BRep_Tool::Tolerance ( V1 ); |
2310 | gp_Pnt pnt = BRep_Tool::Pnt ( V1 ); |
2311 | |
2312 | Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); |
2313 | Standard_Boolean cutEdge1 = Standard_False, cutEdge2 = Standard_False; |
2314 | Standard_Boolean IsCutLine = Standard_False; |
2315 | |
2316 | BRep_Builder B; |
2317 | |
2318 | Standard_Integer nb = points3d.Length(); |
2319 | for ( Standard_Integer i=1; i <= nb; i++ ) { |
2320 | const IntRes2d_IntersectionPoint &IP = points2d.Value(i); |
2321 | Standard_Real param1 = ( num ==1 ? IP.ParamOnSecond() : IP.ParamOnFirst() ); |
2322 | Standard_Real param2 = ( num ==1 ? IP.ParamOnFirst() : IP.ParamOnSecond() ); |
2323 | |
2324 | Standard_Real newRange1 = Abs ( ( isForward1 ? a1 : b1 ) - param1 ); |
2325 | Standard_Real newRange2 = Abs ( ( isForward2 ? b2 : a2 ) - param2 ); |
2326 | if ( newRange1 > prevRange1 && newRange2 > prevRange2 ) continue; |
2327 | |
2328 | gp_Pnt pint = points3d.Value(i); |
2329 | Standard_Real rad = errors.Value(i); |
2330 | Standard_Real newtol = 1.0001 * ( pnt.Distance ( pint ) + rad ); |
2331 | |
2332 | // GeomAdaptor_Surface& Ads = myAnalyzer->Surface()->Adaptor3d()->ChangeSurface(); |
2333 | |
2334 | //:r8 abv 12 Apr 99: try increasing tolerance of edge |
2335 | if ( ! myTopoMode && newtol > tol ) { |
2336 | Standard_Real te1 = rad + ComputeLocalDeviation (E1, pint, pnt, |
2337 | param1, ( isForward1 ? b1 : a1 ), Face() ); |
2338 | Standard_Real te2 = rad + ComputeLocalDeviation (E2, pint, pnt, |
2339 | ( isForward2 ? a2 : b2 ), param2, Face() ); |
2340 | Standard_Real maxte = Max ( te1, te2 ); |
2341 | if ( maxte < MaxTolerance() && maxte < newtol ) { |
2342 | if ( BRep_Tool::Tolerance(E1) < te1 || BRep_Tool::Tolerance(E2) < te2 ) { |
2343 | //#ifdef DEB |
2344 | // cout << "Warning: ShapeFix_Wire::FixIE: edges tolerance increased: (" << |
2345 | // te1 << ", " << te2 << ") / " << newtol << endl; |
2346 | //#endif |
2347 | B.UpdateEdge ( E1, 1.000001 * te1 ); |
2348 | B.UpdateVertex ( sae.FirstVertex ( E1 ), 1.000001 * te1 ); |
2349 | B.UpdateVertex ( sae.LastVertex ( E1 ), 1.000001 * te1 ); |
2350 | B.UpdateEdge ( E2, 1.000001 * te2 ); |
2351 | B.UpdateVertex ( sae.FirstVertex ( E2 ), 1.000001 * te2 ); |
2352 | B.UpdateVertex ( sae.LastVertex ( E2 ), 1.000001 * te2 ); |
2353 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
2354 | } |
2355 | newtol = 1.000001 * maxte; |
2356 | } |
2357 | } |
2358 | |
2359 | if ( myTopoMode || newtol <= MaxTolerance() ) { |
2360 | prevRange1 = newRange1; |
2361 | prevRange2 = newRange2; |
2362 | Standard_Boolean locMayEdit = myTopoMode; |
2363 | if ( myTopoMode ) { //:j6 abv 7 Dec 98: ProSTEP TR10 r0601_id.stp #57676 & #58586: do not cut edges because of influence on adjacent faces |
2364 | ShapeFix_SplitTool aTool; |
2365 | //if ( ! ShapeFix::CutEdge ( E1, ( isForward1 ? a1 : b1 ), param1, Face(), IsCutLine ) ) { |
2366 | if ( ! aTool.CutEdge ( E1, ( isForward1 ? a1 : b1 ), param1, Face(), IsCutLine ) ) { |
2367 | if ( V1.IsSame ( Vp ) ) |
2368 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
2369 | else locMayEdit = Standard_False; |
2370 | } |
2371 | else cutEdge1 = Standard_True; //:h4 |
2372 | //if ( ! ShapeFix::CutEdge ( E2, ( isForward2 ? b2 : a2 ), param2, Face(), IsCutLine ) ) { |
2373 | if ( ! aTool.CutEdge ( E2, ( isForward2 ? b2 : a2 ), param2, Face(), IsCutLine ) ) { |
2374 | if ( V2.IsSame ( Vn ) ) |
2375 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
2376 | else locMayEdit = Standard_False; |
2377 | } |
2378 | else cutEdge2 = Standard_True; //:h4 |
2379 | } |
2380 | if ( locMayEdit && |
2381 | newRange1 <= prevRange1 && newRange2 <= prevRange2 && //rln 09/01/98 |
2382 | BRep_Tool::SameParameter ( E1 ) && |
2383 | BRep_Tool::SameParameter ( E2 ) ) { |
2384 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
2385 | pnt = pint; |
2386 | if ( tol <= rad ) { |
2387 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
2388 | tol = 1.001 * rad; |
2389 | } |
2390 | } |
2391 | else if(IsCutLine) { |
2392 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
2393 | pnt = pint; |
2394 | if ( tol <= rad ) { |
2395 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
2396 | tol = 1.001 * rad; |
2397 | } |
2398 | } |
2399 | else { // else increase tolerance |
2400 | if (tol < newtol) { //rln 07.04.99 CCI60005-brep.igs |
2401 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
2402 | tol = newtol; |
2403 | } |
2404 | } |
2405 | } |
2406 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
2407 | } |
2408 | |
2409 | if ( ! LastFixStatus ( ShapeExtend_DONE ) ) return Standard_False; |
2410 | |
2411 | B.UpdateVertex ( V1, pnt, tol ); |
2412 | B.UpdateVertex ( V2, pnt, tol ); |
2413 | |
2414 | //:h4: make edges SP (after all cuts: t4mug.stp #3730+#6460) |
2415 | if ( cutEdge1 ) myFixEdge->FixSameParameter ( E1 ); |
2416 | if ( cutEdge2 && !IsCutLine ) myFixEdge->FixSameParameter ( E2 ); |
2417 | if ( cutEdge1 || cutEdge2 ) { |
2418 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
2419 | } |
2420 | if ( ! myShape.IsNull() ) { |
2421 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG10"); //Edges %d and %d were intersecting, corrected |
2422 | MSG.Arg (n1); |
2423 | MSG.Arg (n2); |
2424 | SendWarning (MSG); |
2425 | } |
2426 | return Standard_True; |
2427 | } |
2428 | |
2429 | //======================================================================= |
2430 | //function : FixIntersectingEdges |
2431 | //purpose : |
2432 | //======================================================================= |
2433 | //pdn 17.03.99 fixing non ajacent intersection by increasing tolerance of vertex |
2434 | |
2435 | Standard_Boolean ShapeFix_Wire::FixIntersectingEdges (const Standard_Integer num1, |
2436 | const Standard_Integer num2) |
2437 | { |
2438 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
2439 | if ( !IsReady() ) return Standard_False; |
2440 | IntRes2d_SequenceOfIntersectionPoint points2d; |
2441 | TColgp_SequenceOfPnt points3d; |
2442 | TColStd_SequenceOfReal errors; |
2443 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
2444 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
2445 | theAdvAnalyzer->CheckIntersectingEdges ( num1, num2, points2d, points3d, errors); |
2446 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
2447 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2448 | } |
2449 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
2450 | TColgp_Array1OfPnt vertexPoints(1,4); |
2451 | TColStd_Array1OfReal vertexTolers(1,4); |
2452 | TColStd_Array1OfReal newTolers(1,4); |
2453 | TopTools_Array1OfShape vertices(1,4); |
2454 | newTolers.Init(0); |
2455 | |
2456 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
2457 | Standard_Integer n2 = ( num1 >0 ? num1 : sbwd->NbEdges() ); |
2458 | Standard_Integer n1 = ( num2 >1 ? num2 : sbwd->NbEdges() ); |
2459 | if(n1==n2) return Standard_False; |
2460 | |
2461 | TopoDS_Edge edge1 = sbwd->Edge(n1); |
2462 | TopoDS_Edge edge2 = sbwd->Edge(n2); |
2463 | |
2464 | ShapeAnalysis_Edge sae; |
2465 | vertices(1) = sae.FirstVertex(edge1); |
2466 | vertices(2) = sae.LastVertex(edge1); |
2467 | vertices(3) = sae.FirstVertex(edge2); |
2468 | vertices(4) = sae.LastVertex(edge2); |
2469 | |
2470 | Standard_Integer i; // svv Jan11 2000 : porting on DEC |
2471 | for (i = 1; i <=4; i++) { |
2472 | vertexPoints(i) = BRep_Tool::Pnt(TopoDS::Vertex(vertices(i))); |
2473 | vertexTolers(i) = BRep_Tool::Tolerance(TopoDS::Vertex(vertices(i))); |
2474 | } |
2475 | |
2476 | Standard_Real aNewTolEdge1 = 0.0, aNewTolEdge2 = 0.0; |
2477 | Standard_Integer nb = points3d.Length(); |
2478 | for ( i=1; i <= nb; i++ ) { |
2479 | gp_Pnt pint = points3d.Value(i); |
2480 | |
2481 | // searching for the nearest vertexies to the intersection point |
2482 | Standard_Real aVtx1Param=0., aVtx2Param=0.; |
2483 | Standard_Integer aVC1, aVC2; |
2484 | Standard_Real aMinDist = RealLast(); |
2485 | gp_Pnt aNearestVertex; |
2486 | Standard_Real aNecessaryVtxTole = 0.0; |
2487 | for(aVC1 = 1; aVC1 <= 2; aVC1++) { |
2488 | for(aVC2 = 3; aVC2 <= 4; aVC2++) { |
2489 | |
2490 | Standard_Real aVtxIPDist = pint.Distance(vertexPoints(aVC1)); |
2491 | Standard_Real aVtxVtxDist = vertexPoints(aVC1).Distance(vertexPoints(aVC2)); |
2492 | if(aMinDist > aVtxIPDist && aVtxIPDist > aVtxVtxDist) { |
2493 | aNecessaryVtxTole = aVtxVtxDist; |
2494 | aNearestVertex = vertexPoints(aVC1); |
2495 | aMinDist = aVtxIPDist; |
2496 | aVtx1Param = BRep_Tool::Parameter(TopoDS::Vertex(vertices(aVC1)),edge1); |
2497 | aVtx2Param = BRep_Tool::Parameter(TopoDS::Vertex(vertices(aVC2)),edge2); |
2498 | } |
2499 | } |
2500 | } |
2501 | |
2502 | // calculation of necessary tolerances of edges |
2503 | const IntRes2d_IntersectionPoint &IP = points2d.Value(i); |
2504 | Standard_Real param1 = IP.ParamOnFirst(); |
2505 | Standard_Real param2 = IP.ParamOnSecond(); |
2506 | Handle(Geom_Curve) aCurve1, aCurve2; |
2507 | Standard_Real f,l; |
2508 | TopLoc_Location L1, L2; |
2509 | aCurve1 = BRep_Tool::Curve(edge1, L1, f, l); |
2510 | aCurve2 = BRep_Tool::Curve(edge2, L2, f, l); |
2511 | |
2512 | // if aMinDist lower than resolution than the intersection point lyes inside the vertex |
2513 | if(aMinDist < gp::Resolution()) |
2514 | continue; |
2515 | |
2516 | Standard_Real aMaxEdgeTol1 = 0.0, aMaxEdgeTol2 = 0.0; |
2517 | if(aMinDist < RealLast() && !aCurve1.IsNull() && !aCurve2.IsNull()) |
2518 | { |
2519 | gp_Lin aLig(aNearestVertex, gp_Vec(aNearestVertex, pint)); |
2520 | Standard_Integer aPointsC; |
2521 | Standard_Real du1 = 0.05*(param1 - aVtx1Param); |
2522 | Standard_Real du2 = 0.05*(param2 - aVtx2Param); |
2523 | Standard_Real tole1=BRep_Tool::Tolerance(edge1); |
2524 | Standard_Real tole2=BRep_Tool::Tolerance(edge2); |
2525 | for(aPointsC = 2; aPointsC < 19; aPointsC++) |
2526 | { |
2527 | Standard_Real u = aVtx1Param + aPointsC * du1; |
2528 | gp_Pnt P1 = aCurve1->Value(u); |
2529 | P1.Transform(L1.Transformation()); |
2530 | Standard_Real d1 = aLig.Distance(P1) * 2.0000001; |
2531 | if(d1 > tole1 && d1 > aMaxEdgeTol1) |
2532 | aMaxEdgeTol1 = d1; |
2533 | |
2534 | u = aVtx2Param + aPointsC * du2; |
2535 | gp_Pnt P2 = aCurve2->Value(u); |
2536 | P2.Transform(L2.Transformation()); |
2537 | Standard_Real d2 = aLig.Distance(P2) * 2.0000001; |
2538 | if(d2 > tole2 && d2 > aMaxEdgeTol2) |
2539 | aMaxEdgeTol2 = d2; |
2540 | } |
2541 | if(aMaxEdgeTol1 == 0.0 && aMaxEdgeTol2 == 0.0) continue; |
2542 | // if the vertexies are far than tolerances so |
2543 | // we do not need to increase edge tolerance |
2544 | if(aNecessaryVtxTole > Max(aMaxEdgeTol1, tole1) || |
2545 | aNecessaryVtxTole > Max(aMaxEdgeTol2, tole2)) |
2546 | { |
2547 | aMaxEdgeTol1 = 0.0; |
2548 | aMaxEdgeTol2 = 0.0; |
2549 | } |
2550 | } |
2551 | |
2552 | Standard_Real rad = errors.Value(i); |
2553 | Standard_Real finTol = RealLast(); |
2554 | Standard_Integer rank=1; |
2555 | for(Standard_Integer j=1; j<=4; j++) { |
2556 | Standard_Real newtol = 1.0001 * ( pint.Distance (vertexPoints(j)) + rad ); |
2557 | if(newtol<finTol) { |
2558 | rank = j; |
2559 | finTol = newtol; |
2560 | } |
2561 | } |
2562 | if(finTol <= MaxTolerance()) { |
2563 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1); |
2564 | if(newTolers(rank) < finTol) |
2565 | { |
2566 | if(Max(aMaxEdgeTol1, aMaxEdgeTol2) < finTol && (aMaxEdgeTol1 > 0 || aMaxEdgeTol2 > 0)) |
2567 | { |
2568 | aNewTolEdge1 = Max(aNewTolEdge1, aMaxEdgeTol1); |
2569 | aNewTolEdge2 = Max(aNewTolEdge2, aMaxEdgeTol2); |
2570 | } |
2571 | else |
2572 | { |
2573 | newTolers(rank) = finTol; |
2574 | } |
2575 | } |
2576 | } else { |
2577 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
2578 | } |
2579 | } |
2580 | |
2581 | BRep_Builder B; |
2582 | // update of tolerances of edges |
2583 | if(aNewTolEdge1 > 0) |
2584 | { |
2585 | for(i = 1; i <= 2; i++) |
2586 | if(aNewTolEdge1 > Max(vertexTolers(i), newTolers(i))) |
2587 | newTolers(i) = aNewTolEdge1; |
2588 | B.UpdateEdge(edge1, aNewTolEdge1); |
2589 | } |
2590 | if(aNewTolEdge2 > 0) |
2591 | { |
2592 | for(i = 3; i <= 4; i++) |
2593 | if(aNewTolEdge2 > Max(vertexTolers(i), newTolers(i))) |
2594 | newTolers(i) = aNewTolEdge2; |
2595 | B.UpdateEdge(edge2, aNewTolEdge2); |
2596 | } |
2597 | |
2598 | // update of tolerances of vertexies |
2599 | for(i = 1; i <=4; i++) |
2600 | if(newTolers(i)>0) B.UpdateVertex(TopoDS::Vertex(vertices(i)),newTolers(i)); |
2601 | |
2602 | if ( ! myShape.IsNull() ) { |
2603 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG10"); //Edges %d and %d were intersecting, corrected |
2604 | MSG.Arg (n1); |
2605 | MSG.Arg (n2); |
2606 | SendWarning (MSG); |
2607 | } |
2608 | return Standard_True; |
2609 | } |
2610 | |
2611 | //======================================================================= |
2612 | //function : FixLacking |
2613 | //purpose : Test if two adjucent edges are disconnected in 2d (while connected |
2614 | // in 3d), and in that case either increase tolerance of the vertex or |
2615 | // add a new edge (straight in 2d space), in order to close wire in 2d. |
2616 | // Returns True if edge was added or tolerance was increased. |
2617 | //NOTE : Is to be run after FixDegenerated |
2618 | //Algorithm: 1. Compute the 2d gap between edges and calculate a tolerance |
2619 | // which should have vertex in order to comprise the gap |
2620 | // (using GeomAdaptor_Surface); computed value is inctol |
2621 | // 2. If inctol < tol of vertex, return False (everything is OK) |
2622 | // 3. If inctol < Precision, just increase tolerance of vertex to inctol |
2623 | // 4. Else (if both edges are not degenerated) try to add new edge |
2624 | // with straight pcurve (in order to close the gap): |
2625 | // a) if flag MayEdit is False |
2626 | // 1. if inctol < MaxTolerance, increase tolerance of vertex to inctol |
2627 | // 2. else try to add degenerated edge (check that middle point of |
2628 | // that pcurveis inside the vertex) |
2629 | // b) if MayEdit is True |
2630 | // 1. try to replace big vertex with two new small vertices |
2631 | // connected by new edge. This is made if there is a 3d space |
2632 | // between ends of adjacent edges. |
2633 | // 2. if inctol < MaxTolerance, increase tolerance of vertex to inctol |
2634 | // 3. else add either degenerated or closed edge (if middle point |
2635 | // of a pcurve of a new edge is inside the vertex, then |
2636 | // degenerated edge is added, else new edge is closed). |
2637 | // 5. If new edge cannot be added, but inctol < MaxTolerance, |
2638 | // when increase tolerance of vertex to a value of inctol |
2639 | //Short list of some internal variables: |
2640 | // tol - tolerance of vertex |
2641 | // tol2d - tolerance in parametric space of the surface corresponding to 2*tol |
2642 | // dist2d - distance between ends of pcurves of edges (2d) |
2643 | // inctol - tolerance required for vertex to close 2d gap (=tol*dist2d/tol2d) |
2644 | // tol1, tol2 - tolerances of edges, tol0 = tol1 + tol2 |
2645 | // p3d1, p3d2 - ends of 3d curves of edges |
2646 | //======================================================================= |
2647 | //:h2 abv 28 May 98: merged modifications by abv 22 Apr 98, gka 27 May 98 |
2648 | // and pdn 25 May 98 concerning lacking closed or degenerated edges |
2649 | // Example files: r0501_pe #107813, UKI60107-6 250, UKI60107-3 1577. |
2650 | |
2651 | //:s2 abv 21 Apr 99: add functionality for bending pcurve |
2652 | static Standard_Boolean TryBendingPCurve (const TopoDS_Edge &E, const TopoDS_Face &face, |
2653 | const gp_Pnt2d p2d, const Standard_Boolean end, |
2654 | Handle(Geom2d_Curve) &c2d, |
2655 | Standard_Real &first, Standard_Real &last, |
2656 | Standard_Real &tol) |
2657 | { |
2658 | ShapeAnalysis_Edge sae; |
2659 | if ( ! sae.PCurve ( E, face, c2d, first, last, Standard_False ) ) return Standard_False; |
2660 | |
2661 | { |
2662 | try { |
2663 | OCC_CATCH_SIGNALS |
2664 | Handle(Geom2d_BSplineCurve) bs; |
2665 | if ( c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) ) |
2666 | bs = Handle(Geom2d_BSplineCurve)::DownCast(c2d->Copy()); |
2667 | else // if ( c2d->IsKind(STANDARD_TYPE(Geom2d_Line)) ) |
2668 | { |
2669 | Handle(Geom2d_TrimmedCurve) trim = new Geom2d_TrimmedCurve ( c2d, first, last ); |
2670 | bs = Geom2dConvert::CurveToBSplineCurve ( trim ); |
2671 | } |
2672 | if ( bs.IsNull() ) return Standard_False; |
2673 | |
2674 | Standard_Real par = ( end ? last : first ); |
2675 | if ( fabs ( bs->FirstParameter() - par ) < ::Precision::PConfusion() && |
2676 | bs->Multiplicity(1) > bs->Degree() ) bs->SetPole ( 1, p2d ); |
2677 | else if ( fabs ( bs->LastParameter() - par ) < ::Precision::PConfusion() && |
2678 | bs->Multiplicity(bs->NbKnots()) > bs->Degree() ) bs->SetPole ( bs->NbPoles(), p2d ); |
2679 | else { |
2680 | bs->Segment ( first, last ); |
2681 | if (fabs ( bs->FirstParameter() - par ) < ::Precision::PConfusion() && |
2682 | bs->Multiplicity(1) > bs->Degree()) bs->SetPole ( 1, p2d ); |
2683 | else if (fabs ( bs->LastParameter() - par ) < ::Precision::PConfusion() && |
2684 | bs->Multiplicity(bs->NbKnots()) > bs->Degree()) bs->SetPole ( bs->NbPoles(), p2d ); |
2685 | else return Standard_False; |
2686 | } |
2687 | c2d = bs; |
2688 | } |
2689 | catch ( Standard_Failure ) { |
2690 | #ifdef DEB |
2691 | cout << "Warning: ShapeFix_Wire::FixLacking: Exception in Geom2d_BSplineCurve::Segment()" << endl; |
2692 | #endif |
2693 | return Standard_False; |
2694 | } |
2695 | } |
2696 | |
2697 | if ( ! TryNewPCurve ( E, face, c2d, first, last, tol ) ) return Standard_False; |
2698 | return Standard_True; |
2699 | } |
2700 | |
2701 | |
2702 | //======================================================================= |
2703 | //function : FixLacking |
2704 | //purpose : |
2705 | //======================================================================= |
2706 | |
2707 | Standard_Boolean ShapeFix_Wire::FixLacking (const Standard_Integer num, |
2708 | const Standard_Boolean force) |
2709 | { |
2710 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
2711 | if ( ! IsReady() ) return Standard_False; |
2712 | |
2713 | //============= |
2714 | // First phase: analysis whether the problem (gap) exists |
2715 | gp_Pnt2d p2d1, p2d2; |
2716 | Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer)->CheckLacking ( num, ( force ? Precision() : 0. ), p2d1, p2d2 ); |
2717 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
2718 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2719 | } |
2720 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
2721 | |
2722 | //============= |
2723 | // Second phase: collection of data necessary for further analysis |
2724 | |
2725 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
2726 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
2727 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
2728 | TopoDS_Edge E1 = sbwd->Edge(n1); |
2729 | TopoDS_Edge E2 = sbwd->Edge(n2); |
2730 | |
2731 | ShapeAnalysis_Edge sae; |
2732 | TopoDS_Vertex V1 = sae.LastVertex ( E1 ); |
2733 | TopoDS_Vertex V2 = sae.FirstVertex ( E2 ); |
2734 | Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) ); |
2735 | |
2736 | Standard_Real Prec = Precision(); |
2737 | Standard_Real dist2d = myAnalyzer->MaxDistance2d(); |
2738 | Standard_Real inctol = myAnalyzer->MaxDistance3d(); |
2739 | |
2740 | TopoDS_Face face = myAnalyzer->Face(); |
2741 | Handle(ShapeAnalysis_Surface) surf = myAnalyzer->Surface(); |
2742 | |
2743 | gp_Pnt p3d1, p3d2; |
2744 | Standard_Real tol1=::Precision::Confusion(), tol2=::Precision::Confusion(); //SK |
2745 | |
2746 | //============= |
2747 | //:s2 abv 21 Apr 99: Speculation: try bending pcurves |
2748 | Standard_Real bendtol1, bendtol2; |
2749 | Handle(Geom2d_Curve) bendc1, bendc2; |
2750 | Standard_Real bendf1, bendl1, bendf2, bendl2; |
2751 | if ( myGeomMode && ! BRep_Tool::IsClosed(E1,face) && ! BRep_Tool::IsClosed(E2,face) ) { |
2752 | gp_Pnt2d p2d = 0.5 * ( p2d1.XY() + p2d2.XY() ); |
2753 | Standard_Boolean ok1 = TryBendingPCurve (E1, face, p2d, E1.Orientation() == TopAbs_FORWARD, |
2754 | bendc1, bendf1, bendl1, bendtol1); |
2755 | Standard_Boolean ok2 = TryBendingPCurve (E2, face, p2d, E2.Orientation() == TopAbs_REVERSED, |
2756 | bendc2, bendf2, bendl2, bendtol2); |
2757 | if ( ok1 && ! ok2 ) { |
2758 | bendtol2 = BRep_Tool::Tolerance(E2); |
2759 | ok1 = TryBendingPCurve (E1, face, p2d2, E1.Orientation() == TopAbs_FORWARD, |
2760 | bendc1, bendf1, bendl1, bendtol1); |
2761 | } |
2762 | else if ( ! ok1 && ok2 ) { |
2763 | bendtol1 = BRep_Tool::Tolerance(E1); |
2764 | ok2 = TryBendingPCurve (E2, face, p2d1, E2.Orientation() == TopAbs_FORWARD, |
2765 | bendc2, bendf2, bendl2, bendtol2); |
2766 | } |
2767 | if ( ! ok1 && ! ok2 ) bendc1.Nullify(); |
2768 | } |
2769 | |
2770 | //============= |
2771 | // Third phase: analyse how to fix the problem |
2772 | |
2773 | // selector of solutions |
2774 | Standard_Boolean doIncrease = Standard_False; // increase tolerance |
2775 | Standard_Boolean doAddLong = Standard_False; // add long 3d edge in replacement of a vertex |
2776 | Standard_Boolean doAddClosed = Standard_False; // add closed 3d edge |
2777 | Standard_Boolean doAddDegen = Standard_False; // add degenerated edge |
2778 | Standard_Boolean doBend = Standard_False; //:s2 bend pcurves |
2779 | |
2780 | // if bending is OK with existing tolerances of edges, take it |
2781 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
2782 | ( ( bendtol1 < BRep_Tool::Tolerance(E1) && |
2783 | bendtol2 < BRep_Tool::Tolerance(E2) ) || |
2784 | ( inctol < Prec && bendtol1 < inctol && bendtol2 < inctol ) ) ) |
2785 | doBend = Standard_True; |
2786 | |
2787 | // is it OK just to increase tolerance (to a value less than preci)? |
2788 | else if ( inctol < Prec ) doIncrease = Standard_True; |
2789 | |
2790 | // If increase is not OK or force, try to find other solutions (adding edge) |
2791 | else if ( ! BRep_Tool::Degenerated ( E2 ) && ! BRep_Tool::Degenerated ( E1 ) ) { |
2792 | |
2793 | // analyze the 3d space btw edges: is it enough to add long 3d edge? |
2794 | if ( myTopoMode ) { |
2795 | Handle(Geom_Curve) c3d; |
2796 | Standard_Real a, b; |
2797 | if ( ! sae.Curve3d ( E1, c3d, a, b, Standard_True ) ) { // cannot work |
2798 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2799 | return Standard_False; |
2800 | } |
2801 | p3d1 = c3d->Value ( b ); |
2802 | Standard_Real dist2d3d1 = p3d1.Distance ( surf->Value ( p2d1 ) ); |
2803 | if ( ! sae.Curve3d ( E2, c3d, a, b, Standard_True ) ) { // cannot work |
2804 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
2805 | return Standard_False; |
2806 | } |
2807 | p3d2 = c3d->Value ( a ); |
2808 | Standard_Real dist2d3d2 = p3d2.Distance ( surf->Value ( p2d2 ) ); |
2809 | |
2810 | tol1 = Max ( BRep_Tool::Tolerance ( E1 ), dist2d3d1 ); |
2811 | tol2 = Max ( BRep_Tool::Tolerance ( E2 ), dist2d3d2 ); |
2812 | //:c5 Standard_Real tol0 = Max ( tol1 + tol2, thepreci ); |
2813 | Standard_Real tol0 = tol1 + tol2; //:c5 abv 26 Feb 98: CTS17806 #44418 |
2814 | Standard_Real dist3d2 = p3d1.SquareDistance ( p3d2 ); |
2815 | |
2816 | // is it OK to add a long 3d edge? |
2817 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) && //:81 abv 20 Jan 98: don`t add back-going edges (zigzags) |
2818 | dist3d2 > 1.25 * tol0 * tol0 && |
2819 | ( force || dist3d2 > Prec * Prec || inctol > MaxTolerance() ) ) { |
2820 | doAddLong = Standard_True; |
2821 | } |
2822 | } |
2823 | |
2824 | //:h6 abv 25 Jun 98: BUC40132 6361: try to increase tol up to MaxTol if not add |
2825 | if ( ! doAddLong && inctol < MaxTolerance() && |
2826 | ! myAnalyzer->Surface()->IsDegenerated ( p2d1, p2d2, 2.*tol, 10. ) ) { //:p7 |
2827 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
2828 | bendtol1 < inctol && bendtol2 < inctol ) doBend = Standard_True; |
2829 | else doIncrease = Standard_True; |
2830 | } |
2831 | else |
2832 | |
2833 | // else try to add either degenerated or closed edge |
2834 | if ( ! doAddLong ) { |
2835 | gp_Pnt pV = 0.5 * ( BRep_Tool::Pnt(V1).XYZ() + BRep_Tool::Pnt(V2).XYZ() ); |
2836 | gp_Pnt pm = myAnalyzer->Surface()->Value ( 0.5 * ( p2d1.XY() + p2d2.XY() ) ); |
2837 | |
2838 | Standard_Real dist = pV.Distance ( pm ); |
2839 | if ( dist <= tol ) doAddDegen = Standard_True; |
2840 | else if ( myTopoMode ) doAddClosed = Standard_True; |
2841 | else if ( dist <= MaxTolerance() ) { //:r7 abv 12 Apr 99: t3d_opt.stp #14245 after S4136 |
2842 | doAddDegen = Standard_True; |
2843 | doIncrease = Standard_True; |
2844 | inctol = dist; |
2845 | } |
2846 | } |
2847 | } |
2848 | |
2849 | else if ( !BRep_Tool::Degenerated(E2) && BRep_Tool::Degenerated(E1) ) { |
2850 | // create new degenerated edge and replace E1 to new edge |
2851 | } |
2852 | else if ( BRep_Tool::Degenerated(E2) && !BRep_Tool::Degenerated(E1) ) { |
2853 | // create new degenerated edge and replace E2 to new edge |
2854 | } |
2855 | |
2856 | //============= |
2857 | // Third phase - do the fixes |
2858 | BRep_Builder B; |
2859 | |
2860 | // add edge |
2861 | if ( doAddLong || doAddDegen || doAddClosed ) { |
2862 | |
2863 | // construct new vertices |
2864 | TopoDS_Vertex newV1, newV2; |
2865 | if ( doAddLong ) { |
2866 | newV1 = BRepBuilderAPI_MakeVertex ( p3d1 ); |
2867 | newV1.Reverse(); |
2868 | newV2 = BRepBuilderAPI_MakeVertex ( p3d2 ); |
2869 | B.UpdateVertex ( newV1, 1.001 * tol1 ); |
2870 | B.UpdateVertex ( newV2, 1.001 * tol2 ); |
2871 | } |
2872 | else { |
2873 | newV1 = V1; |
2874 | newV2 = V2; |
2875 | } |
2876 | |
2877 | // prepare new edge |
2878 | TopoDS_Edge edge; |
2879 | B.MakeEdge ( edge ); |
2880 | if ( doAddDegen ) B.Degenerated ( edge, Standard_True ); // sln: do it before adding curve |
2881 | gp_Vec2d v12 ( p2d1, p2d2 ); |
2882 | Handle(Geom2d_Line) theLine2d = new Geom2d_Line ( p2d1, gp_Dir2d ( v12 ) ); |
2883 | B.UpdateEdge ( edge, theLine2d, face, ::Precision::Confusion() ); |
2884 | B.Range ( edge, face, 0, dist2d ); |
2885 | B.Add ( edge, newV1.Oriented ( TopAbs_FORWARD ) ); |
2886 | B.Add ( edge, newV2.Oriented ( TopAbs_REVERSED ) ); |
2887 | ShapeBuild_Edge sbe; |
2888 | if ( ! doAddDegen && ! sbe.BuildCurve3d ( edge ) ) { |
2889 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
2890 | return Standard_False; |
2891 | } |
2892 | |
2893 | // if long edge is added, replace vertices of adjacent edges |
2894 | if ( doAddLong ) { |
2895 | |
2896 | // replace 1st edge (n1==n2 - special case: wire consists of one edge) |
2897 | TopoDS_Edge edge1 = sbe.CopyReplaceVertices ( E1, |
2898 | ( n1 == n2 ? newV2 : TopoDS_Vertex() ), newV1 ); |
2899 | sbwd->Set ( edge1, n1 ); |
2900 | if ( ! Context().IsNull() ) { |
2901 | Context()->Replace ( E1, edge1 ); |
2902 | // actually, this will occur only in context of single face |
2903 | // hence, recording to ReShape is rather for tracking modifications |
2904 | // than for keeping sharing |
2905 | Context()->Replace ( V1, newV1.Oriented ( V1.Orientation() ) ); |
2906 | if ( ! V1.IsSame ( V2 ) ) { |
2907 | Context()->Replace ( V2, newV2.Oriented ( V2.Orientation() ) ); |
2908 | } |
2909 | } |
2910 | // replace 2nd edge |
2911 | if ( n1 != n2 ) { |
2912 | TopoDS_Edge edge2 = sbe.CopyReplaceVertices ( E2, newV2, TopoDS_Vertex() ); |
2913 | sbwd->Set ( edge2, n2 ); |
2914 | if ( ! Context().IsNull() ) Context()->Replace ( E2, edge2 ); |
2915 | } |
2916 | if ( ! Context().IsNull() ) UpdateWire(); |
2917 | } |
2918 | |
2919 | // insert new edge |
2920 | if ( doAddDegen ) { |
2921 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
2922 | #ifdef DEB |
2923 | cout << "Warning: ShapeFix_Wire::FixLacking: degenerated edge added" << endl; |
2924 | #endif |
2925 | } |
2926 | else if ( ! doAddLong ) { |
2927 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
2928 | } |
2929 | sbwd->Add ( edge, n2 ); |
2930 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
2931 | } |
2932 | |
2933 | // else try to increase tol up to MaxTol |
2934 | else if ( inctol > tol && inctol < MaxTolerance() ) { |
2935 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
2936 | bendtol1 < inctol && bendtol2 < inctol ) doBend = Standard_True; |
2937 | else doIncrease = Standard_True; |
2938 | } |
2939 | |
2940 | // bend pcurves |
2941 | if ( doBend ) { //:s2 abv 21 Apr 99 |
2942 | B.UpdateEdge ( E1, bendc1, face, bendtol1 ); |
2943 | B.Range ( E1, face, bendf1, bendl1 ); |
2944 | B.UpdateEdge ( E2, bendc2, face, bendtol2 ); |
2945 | B.Range ( E2, face, bendf2, bendl2 ); |
2946 | B.UpdateVertex ( sae.FirstVertex(E1), bendtol1 ); |
2947 | B.UpdateVertex ( sae.LastVertex(E1), bendtol1 ); |
2948 | B.UpdateVertex ( sae.FirstVertex(E2), bendtol2 ); |
2949 | B.UpdateVertex ( sae.LastVertex(E2), bendtol2 ); |
2950 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
2951 | //:s3 abv 22 Apr 99: PRO7187 #11534: self-intersection not detected unitil curve is bent (!) |
2952 | FixSelfIntersectingEdge ( n1 ); |
2953 | FixSelfIntersectingEdge ( n2 ); |
2954 | FixIntersectingEdges ( n2 ); //skl 24.04.2003 for OCC58 |
2955 | #ifdef DEB |
2956 | cout << "Info: ShapeFix_Wire::FixLacking: Bending pcurves" << endl; |
2957 | #endif |
2958 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
2959 | } |
2960 | |
2961 | // increase vertex tolerance |
2962 | if ( doIncrease ) { |
2963 | B.UpdateVertex ( V1, 1.001 * inctol ); |
2964 | B.UpdateVertex ( V2, 1.001 * inctol ); |
2965 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
2966 | } |
2967 | |
2968 | if ( LastFixStatus ( ShapeExtend_DONE ) ) return Standard_True; |
2969 | |
2970 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
2971 | return Standard_False; |
2972 | } |
2973 | |
2974 | //======================================================================= |
2975 | //function : FixNotchedEdges |
2976 | //purpose : |
2977 | //======================================================================= |
2978 | |
2979 | Standard_Boolean ShapeFix_Wire::FixNotchedEdges() |
2980 | { |
2981 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
2982 | if ( ! IsReady() ) return Standard_False; |
2983 | |
2984 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
2985 | TopoDS_Face face = Face(); |
2986 | if ( ! Context().IsNull() ) UpdateWire(); |
2987 | Handle(ShapeExtend_WireData) sewd = WireData(); |
2988 | |
2989 | for (Standard_Integer i = 1; i <= NbEdges() && NbEdges() > 2; i++ ) { |
2990 | Standard_Real param; |
2991 | Standard_Integer toRemove; |
2992 | if(theAdvAnalyzer->CheckNotchedEdges(i,toRemove,param,MinTolerance())){ |
2993 | Standard_Integer n2 = (i > 0) ? i : NbEdges(); |
2994 | Standard_Integer n1 = (n2 > 1) ? n2-1 : NbEdges(); |
2995 | Standard_Boolean isRemoveFirst = (n1==toRemove); |
2996 | Standard_Integer toSplit = (n2==toRemove ? n1 : n2); |
2997 | TopoDS_Edge splitE = sewd->Edge ( toSplit ); |
2998 | ShapeAnalysis_Edge sae; |
2999 | Handle(Geom2d_Curve) c2d; |
3000 | Standard_Real a, b; |
3001 | sae.PCurve ( splitE, face, c2d, a, b, Standard_True ); |
3002 | Standard_Real ppar = (isRemoveFirst ? b : a); |
3003 | ShapeBuild_Edge sbe; |
3004 | TopAbs_Orientation orient = splitE.Orientation(); |
3005 | if ( Abs(param - ppar) > ::Precision::PConfusion() ) { |
3006 | //pdn perform splitting of the edge and adding to wire |
3007 | |
3008 | //pdn check if it is necessary |
3009 | if( Abs((isRemoveFirst ? a : b)-param) < ::Precision::PConfusion() ) { |
3010 | continue; |
3011 | } |
3012 | |
3013 | Handle(ShapeAnalysis_TransferParametersProj) transferParameters = |
3014 | new ShapeAnalysis_TransferParametersProj; |
3015 | transferParameters->SetMaxTolerance(MaxTolerance()); |
3016 | transferParameters->Init(splitE,face); |
3017 | Standard_Real first, last; |
3018 | if (a < b ) { |
3019 | first = a; |
3020 | last = b; |
3021 | } |
3022 | else { |
3023 | first = b; |
3024 | last = a; |
3025 | } |
3026 | TopoDS_Vertex Vnew; |
3027 | BRep_Builder B; |
3028 | B.MakeVertex(Vnew,Analyzer()->Surface()->Value(c2d->Value(param)),::Precision::Confusion()); |
3029 | TopoDS_Edge wE = splitE; |
3030 | wE.Orientation ( TopAbs_FORWARD ); |
3031 | TopoDS_Shape aTmpShape = Vnew.Oriented(TopAbs_REVERSED); //for porting |
3032 | TopoDS_Edge newE1 = sbe.CopyReplaceVertices ( wE, sae.FirstVertex(wE), TopoDS::Vertex(aTmpShape) ); |
3033 | sbe.CopyPCurves ( newE1, wE ); |
3034 | transferParameters->TransferRange(newE1,first,param,Standard_True); |
3035 | B.SameRange(newE1,Standard_False); |
3036 | B.SameParameter(newE1,Standard_False); |
3037 | aTmpShape = Vnew.Oriented(TopAbs_FORWARD); |
3038 | TopoDS_Edge newE2 = sbe.CopyReplaceVertices ( wE, TopoDS::Vertex(aTmpShape),sae.LastVertex(wE) ); |
3039 | sbe.CopyPCurves ( newE2, wE ); |
3040 | transferParameters->TransferRange(newE2,param,last,Standard_True); |
3041 | B.SameRange(newE2,Standard_False); |
3042 | B.SameParameter(newE2,Standard_False); |
3043 | |
3044 | if ( !Context().IsNull() ) { |
3045 | TopoDS_Wire wire; |
3046 | B.MakeWire(wire); |
3047 | B.Add(wire,newE1); |
3048 | B.Add(wire,newE2); |
3049 | Context()->Replace ( wE, wire ); |
3050 | } |
3051 | |
3052 | newE1.Orientation(orient); |
3053 | newE2.Orientation(orient); |
3054 | if (orient==TopAbs_REVERSED){ TopoDS_Edge tmp = newE2; newE2 = newE1; newE1=tmp;} |
3055 | |
3056 | Standard_Boolean isRemoveLast = ((n1==NbEdges())&&(n2==1)); |
3057 | sewd->Set ( newE1, toSplit); |
3058 | sewd->Add ( newE2, (toSplit==NbEdges() ? 0 : toSplit+1)); |
3059 | |
3060 | FixDummySeam(isRemoveLast ? NbEdges() : toRemove); |
3061 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
3062 | } |
3063 | else |
3064 | FixDummySeam(n1); |
3065 | |
3066 | i--; |
3067 | if(!Context().IsNull()) //skl 07.03.2002 for OCC180 |
3068 | UpdateWire(); |
3069 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
3070 | } |
3071 | } |
3072 | myStatusNotches = myLastFixStatus; |
3073 | return LastFixStatus ( ShapeExtend_DONE ); |
3074 | } |
3075 | |
3076 | //======================================================================= |
3077 | //function : FixDummySeam |
3078 | //purpose : |
3079 | //======================================================================= |
3080 | |
3081 | static void CopyReversePcurves(const TopoDS_Edge& toedge, |
3082 | const TopoDS_Edge& fromedge, |
3083 | const Standard_Boolean reverse) |
3084 | { |
3085 | TopLoc_Location fromLoc = fromedge.Location(); |
3086 | TopLoc_Location toLoc = toedge.Location(); |
3087 | for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr |
3088 | ((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) { |
3089 | Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value()); |
3090 | if ( fromGC.IsNull() ) continue; |
3091 | if ( fromGC->IsCurveOnSurface() ) { |
3092 | Handle(Geom_Surface) surface = fromGC->Surface(); |
3093 | TopLoc_Location L = fromGC->Location(); |
3094 | Standard_Boolean found = Standard_False; |
3095 | BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves(); |
3096 | Handle(BRep_GCurve) toGC; |
3097 | for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More() && !found; toitcr.Next()) { |
3098 | toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value()); |
3099 | if ( toGC.IsNull() || !toGC->IsCurveOnSurface() || |
3100 | surface != toGC->Surface() || L != toGC->Location() ) continue; |
3101 | found = Standard_True; |
3102 | break; |
3103 | } |
3104 | if (!found) { |
3105 | Standard_Real fp = fromGC->First(); |
3106 | Standard_Real lp = fromGC->Last(); |
3107 | toGC = Handle(BRep_GCurve)::DownCast(fromGC->Copy()); |
3108 | tolist.Append (toGC); |
3109 | Handle(Geom2d_Curve) pcurve = Handle(Geom2d_Curve)::DownCast( fromGC->PCurve()->Copy() ); |
3110 | if (reverse) { |
3111 | fp = pcurve->ReversedParameter(fp); |
3112 | lp = pcurve->ReversedParameter(lp); |
3113 | pcurve->Reverse(); |
3114 | Standard_Real tmp = fp; |
3115 | fp = lp; |
3116 | lp = tmp; |
3117 | } |
3118 | //bug OCC209 invalid location of pcurve in the edge after copying |
3119 | TopLoc_Location newLoc = (fromLoc*L).Predivided(toLoc); |
3120 | toGC->SetRange(fp,lp); |
3121 | toGC->PCurve(pcurve); |
3122 | toGC->Location(newLoc); |
3123 | if ( fromGC->IsCurveOnClosedSurface() ) { |
3124 | pcurve = fromGC->PCurve2(); |
3125 | toGC->PCurve2(Handle(Geom2d_Curve)::DownCast(pcurve->Copy())); |
3126 | } |
3127 | } |
3128 | } |
3129 | } |
3130 | } |
3131 | |
3132 | //======================================================================= |
3133 | //function : HasNewPCurves |
3134 | //purpose : |
3135 | //======================================================================= |
3136 | // Note: This function temporarily not used, because adress to it in |
3137 | // function FixDummySeam() (see below line 2472) not used too |
3138 | // |
3139 | //static Standard_Boolean HasNewPCurves(const TopoDS_Edge& toedge, |
3140 | // const TopoDS_Edge& fromedge) |
3141 | // |
3142 | //{ |
3143 | // for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr |
3144 | // ((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) { |
3145 | // Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value()); |
3146 | // if ( fromGC.IsNull() ) continue; |
3147 | // if ( fromGC->IsCurveOnSurface() ) { |
3148 | // Handle(Geom_Surface) surface = fromGC->Surface(); |
3149 | // TopLoc_Location L = fromGC->Location(); |
3150 | // Standard_Boolean found = Standard_False; |
3151 | // BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves(); |
3152 | // Handle(BRep_GCurve) toGC; |
3153 | // for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More() && !found; toitcr.Next()) { |
3154 | // toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value()); |
3155 | // if ( toGC.IsNull() || !toGC->IsCurveOnSurface() || |
3156 | // surface != toGC->Surface() || L != toGC->Location() ) continue; |
3157 | // found = Standard_True; |
3158 | // break; |
3159 | // } |
3160 | // if (!found) |
3161 | // return Standard_True; |
3162 | // } |
3163 | // } |
3164 | // return Standard_False; |
3165 | //} |
3166 | |
3167 | //======================================================================= |
3168 | //function : FixDummySeam |
3169 | //purpose : |
3170 | //======================================================================= |
3171 | |
3172 | void ShapeFix_Wire::FixDummySeam(const Standard_Integer num) |
3173 | { |
3174 | ShapeAnalysis_Edge sae; |
3175 | ShapeBuild_Edge sbe; |
3176 | ShapeBuild_Vertex sbv; |
3177 | Standard_Integer num1 = (num == NbEdges()) ? 1 : num+1; |
3178 | Handle(ShapeExtend_WireData) sewd = WireData(); |
3179 | TopoDS_Edge E1 = sewd->Edge(num), E2 = sewd->Edge(num1); |
3180 | TopoDS_Vertex V1 = sae.FirstVertex(E1), V2 = sae.LastVertex(E2); |
3181 | TopoDS_Vertex Vm = sbv.CombineVertex ( V1, V2, 1.0001 ); |
3182 | |
3183 | //pnd defining if new pcurves exists |
3184 | //pdn Temporary not removed |
3185 | // Standard_Boolean toRemove = !(HasNewPCurves(E1,E2)||HasNewPCurves(E2,E1)); |
3186 | Standard_Boolean toRemove = Standard_False; |
3187 | |
3188 | //creating new edge with pcurves and new vertex |
3189 | TopoDS_Vertex Vs = sae.FirstVertex(E2); |
3190 | if ( Vs.IsSame ( V1 ) || Vs.IsSame ( V2 ) ) Vs = Vm; |
3191 | TopoDS_Edge newEdge = sbe.CopyReplaceVertices ( E2, Vs, Vm ); |
3192 | CopyReversePcurves(newEdge,E1,E1.Orientation()==E2.Orientation()); |
3193 | BRep_Builder B; |
3194 | B.SameRange(newEdge,Standard_False); |
3195 | B.SameParameter(newEdge,Standard_False); |
3196 | |
3197 | if ( !Context().IsNull() ) { |
3198 | if (toRemove) { |
3199 | Context()->Remove ( E2 ); |
3200 | Context()->Remove ( E1 ); |
3201 | } |
3202 | else { |
3203 | Context()->Replace ( E2, newEdge ); |
3204 | Context()->Replace ( E1, newEdge.Reversed()); |
3205 | } |
3206 | Context()->Replace ( V1, Vm.Oriented(V1.Orientation()) ); |
3207 | Context()->Replace ( V2, Vm.Oriented(V2.Orientation()) ); |
3208 | } |
3209 | |
3210 | Standard_Integer next = ( num1 == NbEdges()) ? 1 : num1+1; |
3211 | Standard_Integer prev = ( num > 1) ? num-1 : NbEdges(); |
3212 | TopoDS_Edge prevE = sewd->Edge(prev), nextE = sewd->Edge(next); |
3213 | |
3214 | TopoDS_Edge tmpE1=sbe.CopyReplaceVertices( prevE, TopoDS_Vertex(), Vm); |
3215 | sewd->Set ( tmpE1,prev ); |
3216 | if ( !Context().IsNull() ) Context()->Replace ( prevE, tmpE1); |
3217 | |
3218 | tmpE1 = sbe.CopyReplaceVertices ( nextE, Vm, TopoDS_Vertex()); |
3219 | sewd->Set ( tmpE1,next ); |
3220 | if ( !Context().IsNull() ) Context()->Replace ( nextE, tmpE1); |
3221 | |
3222 | //removing edges from wire |
3223 | Standard_Integer n1, n2; |
3224 | if ( num < num1 ) { |
3225 | n1 = num; n2 = num1; |
3226 | } else { |
3227 | n1 = num1; n2 = num; |
3228 | } |
3229 | sewd->Remove(n2); |
3230 | sewd->Remove(n1); |
3231 | } |
3232 | |
3233 | //======================================================================= |
3234 | //function : UpdateWire |
3235 | //purpose : |
3236 | //======================================================================= |
3237 | |
3238 | void ShapeFix_Wire::UpdateWire () |
3239 | { |
3240 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
3241 | for ( Standard_Integer i=1; i <= sbwd->NbEdges(); i++ ) { |
3242 | TopoDS_Edge E = sbwd->Edge(i); |
3243 | TopoDS_Shape S = Context()->Apply ( E ); |
3244 | if ( S == E ) continue; |
3245 | for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() ) |
3246 | sbwd->Add ( exp.Current(), i++ ); |
3247 | sbwd->Remove ( i-- ); |
3248 | } |
3249 | } |