Commit | Line | Data |
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973c2be1 | 1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 2 | // |
973c2be1 | 3 | // This file is part of Open CASCADE Technology software library. |
b311480e | 4 | // |
d5f74e42 | 5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
9 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 10 | // |
973c2be1 | 11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. | |
b311480e | 13 | |
7fd59977 | 14 | // pdn 10.12.98: tr9_r0501-ug |
15 | // pdn 28.12.98: PRO10366 shifting pcurve between two singularities | |
16 | //:k7 abv 5.01.99: USA60022.igs ent 243: FixMissingSeam() improved | |
17 | //:l2 abv 10.01.99: USA60022 7289: corrections for reversed face | |
18 | //gka 11.01.99 file PRO7755.stp #2018: work-around error in BRepLib_MakeFace | |
19 | //:p4 abv, pdn 23.02.99: PRO9234 #15720: call BRepTools::Update() for faces | |
20 | // rln 03.03.99 S4135: transmission of parameter precision to SA_Surface::NbSingularities | |
21 | //:q5 abv 19.03.99 code improvement | |
22 | //%14 pdn 15.03.99 adding function for fixing null area wires | |
23 | //%15 pdn 20.03.99 code improvement | |
24 | // abv 09.04.99 S4136: improve tolerance management; remove unused flag Closed | |
25 | //#4 szv S4163: optimization | |
26 | // smh 31.01.01 BUC60810 : Case of small wire on face in solid | |
27 | // sln 25.09.2001 checking order of 3d and 2d representation curves | |
28 | // abv 19.10.2001 FixAddNaturalBound improved and extracted as separate fix | |
29 | // skl,pdn 14.05.2002 OCC55 (correction precision for small faces) | |
30 | ||
42cf5bc1 | 31 | #include <Bnd_Box.hxx> |
32 | #include <Bnd_Box2d.hxx> | |
33 | #include <BndLib_Add2dCurve.hxx> | |
34 | #include <BRep_Builder.hxx> | |
35 | #include <BRep_Tool.hxx> | |
36 | #include <BRepBuilderAPI_MakeFace.hxx> | |
37 | #include <BRepBuilderAPI_MakeVertex.hxx> | |
38 | #include <BRepBuilderAPI_MakeWire.hxx> | |
39 | #include <BRepGProp.hxx> | |
40 | #include <BRepTools.hxx> | |
41 | #include <BRepTopAdaptor_FClass2d.hxx> | |
42 | #include <Geom2d_BSplineCurve.hxx> | |
7fd59977 | 43 | #include <Geom2d_Curve.hxx> |
44 | #include <Geom2d_Line.hxx> | |
fdabc211 | 45 | #include <Geom2dAdaptor_Curve.hxx> |
42cf5bc1 | 46 | #include <Geom2dInt_GInter.hxx> |
7fd59977 | 47 | #include <Geom_BSplineSurface.hxx> |
42cf5bc1 | 48 | #include <Geom_Circle.hxx> |
49 | #include <Geom_ConicalSurface.hxx> | |
50 | #include <Geom_Curve.hxx> | |
51 | #include <Geom_RectangularTrimmedSurface.hxx> | |
52 | #include <Geom_SphericalSurface.hxx> | |
53 | #include <Geom_Surface.hxx> | |
d66f7c0f | 54 | #include <Geom_ToroidalSurface.hxx> |
c22b52d6 | 55 | #include <GeomAdaptor_Surface.hxx> |
56a9db93 | 56 | #include <GProp_GProps.hxx> |
42cf5bc1 | 57 | #include <IntRes2d_Domain.hxx> |
58 | #include <IntRes2d_IntersectionPoint.hxx> | |
59 | #include <IntRes2d_IntersectionSegment.hxx> | |
60 | #include <IntRes2d_Transition.hxx> | |
61 | #include <Message_Msg.hxx> | |
62 | #include <NCollection_Array1.hxx> | |
63 | #include <Precision.hxx> | |
7fd59977 | 64 | #include <ShapeAnalysis.hxx> |
7fd59977 | 65 | #include <ShapeAnalysis_Edge.hxx> |
7fd59977 | 66 | #include <ShapeAnalysis_Surface.hxx> |
42cf5bc1 | 67 | #include <ShapeAnalysis_Wire.hxx> |
68 | #include <ShapeBuild_Edge.hxx> | |
69 | #include <ShapeBuild_ReShape.hxx> | |
70 | #include <ShapeExtend_BasicMsgRegistrator.hxx> | |
7fd59977 | 71 | #include <ShapeExtend_CompositeSurface.hxx> |
42cf5bc1 | 72 | #include <ShapeExtend_WireData.hxx> |
73 | #include <ShapeFix.hxx> | |
7fd59977 | 74 | #include <ShapeFix_ComposeShell.hxx> |
42cf5bc1 | 75 | #include <ShapeFix_DataMapOfShapeBox2d.hxx> |
76 | #include <ShapeFix_Edge.hxx> | |
77 | #include <ShapeFix_Face.hxx> | |
78 | #include <ShapeFix_IntersectionTool.hxx> | |
79 | #include <ShapeFix_SplitTool.hxx> | |
80 | #include <ShapeFix_Wire.hxx> | |
81 | #include <Standard_ErrorHandler.hxx> | |
82 | #include <Standard_Failure.hxx> | |
83 | #include <Standard_Type.hxx> | |
7fd59977 | 84 | #include <TColGeom_HArray2OfSurface.hxx> |
7fd59977 | 85 | #include <TColgp_SequenceOfPnt2d.hxx> |
42cf5bc1 | 86 | #include <TColStd_MapOfInteger.hxx> |
87 | #include <TopExp.hxx> | |
88 | #include <TopExp_Explorer.hxx> | |
89 | #include <TopoDS.hxx> | |
90 | #include <TopoDS_Compound.hxx> | |
91 | #include <TopoDS_Edge.hxx> | |
92 | #include <TopoDS_Face.hxx> | |
93 | #include <TopoDS_Iterator.hxx> | |
94 | #include <TopoDS_Shell.hxx> | |
95 | #include <TopoDS_Vertex.hxx> | |
96 | #include <TopoDS_Wire.hxx> | |
97 | #include <TopTools_DataMapOfShapeInteger.hxx> | |
7fd59977 | 98 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
42cf5bc1 | 99 | #include <TopTools_DataMapOfShapeShape.hxx> |
100 | #include <TopTools_IndexedMapOfShape.hxx> | |
7fd59977 | 101 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
102 | #include <TopTools_MapOfShape.hxx> | |
7fd59977 | 103 | #include <TopTools_SequenceOfShape.hxx> |
7fd59977 | 104 | |
92efcf78 | 105 | IMPLEMENT_STANDARD_RTTIEXT(ShapeFix_Face,ShapeFix_Root) |
106 | ||
0797d9d3 | 107 | #ifdef OCCT_DEBUG |
7fd59977 | 108 | #define DEBUG |
109 | #endif | |
110 | ||
46aed280 | 111 | static Standard_Boolean IsSurfaceUVInfinite(const Handle(Geom_Surface)& theSurf) |
112 | { | |
113 | Standard_Real UMin,UMax,VMin,VMax; | |
114 | theSurf->Bounds(UMin,UMax,VMin,VMax); | |
115 | ||
116 | return (Precision::IsInfinite(UMin) || | |
117 | Precision::IsInfinite(UMax) || | |
118 | Precision::IsInfinite(VMin) || | |
119 | Precision::IsInfinite(VMax) ); | |
120 | } | |
121 | ||
c22b52d6 | 122 | static Standard_Boolean IsSurfaceUVPeriodic(const Handle(GeomAdaptor_Surface)& theSurf) |
46aed280 | 123 | { |
d66f7c0f | 124 | return ( (theSurf->IsUPeriodic() && theSurf->IsVPeriodic()) || theSurf->GetType() == GeomAbs_Sphere); |
46aed280 | 125 | } |
126 | ||
7fd59977 | 127 | //======================================================================= |
128 | //function : ShapeFix_Face | |
129 | //purpose : | |
130 | //======================================================================= | |
131 | ||
132 | ShapeFix_Face::ShapeFix_Face() | |
133 | { | |
134 | myFwd = Standard_True; | |
135 | myStatus = 0; | |
136 | myFixWire = new ShapeFix_Wire; | |
137 | ClearModes(); | |
138 | } | |
139 | ||
140 | //======================================================================= | |
141 | //function : ShapeFix_Face | |
142 | //purpose : | |
143 | //======================================================================= | |
144 | ||
145 | ShapeFix_Face::ShapeFix_Face(const TopoDS_Face &face) | |
146 | { | |
147 | myFwd = Standard_True; | |
148 | myStatus = 0; | |
149 | myFixWire = new ShapeFix_Wire; | |
150 | ClearModes(); | |
151 | Init( face ); | |
152 | } | |
153 | ||
154 | //======================================================================= | |
155 | //function : ClearModes | |
156 | //purpose : | |
157 | //======================================================================= | |
158 | ||
159 | void ShapeFix_Face::ClearModes() | |
160 | { | |
84dc990a S |
161 | myFixWireMode = -1; |
162 | myFixOrientationMode = -1; | |
163 | myFixAddNaturalBoundMode = -1; | |
164 | myFixMissingSeamMode = -1; | |
165 | myFixSmallAreaWireMode = -1; | |
9d1b116f | 166 | myRemoveSmallAreaFaceMode = -1; |
7fd59977 | 167 | myFixIntersectingWiresMode = -1; |
84dc990a S |
168 | myFixLoopWiresMode = -1; |
169 | myFixSplitFaceMode = -1; | |
170 | myAutoCorrectPrecisionMode = 1; | |
171 | myFixPeriodicDegenerated = -1; | |
7fd59977 | 172 | } |
173 | ||
174 | //======================================================================= | |
175 | //function : SetMsgRegistrator | |
176 | //purpose : | |
177 | //======================================================================= | |
178 | ||
179 | void ShapeFix_Face::SetMsgRegistrator(const Handle(ShapeExtend_BasicMsgRegistrator)& msgreg) | |
180 | { | |
181 | ShapeFix_Root::SetMsgRegistrator ( msgreg ); | |
182 | myFixWire->SetMsgRegistrator ( msgreg ); | |
183 | } | |
184 | ||
185 | //======================================================================= | |
186 | //function : SetPrecision | |
187 | //purpose : | |
188 | //======================================================================= | |
189 | ||
190 | void ShapeFix_Face::SetPrecision (const Standard_Real preci) | |
191 | { | |
192 | ShapeFix_Root::SetPrecision ( preci ); | |
193 | myFixWire->SetPrecision ( preci ); | |
194 | } | |
195 | ||
196 | //======================================================================= | |
197 | //function : SetMinTolerance | |
198 | //purpose : | |
199 | //======================================================================= | |
200 | ||
201 | void ShapeFix_Face::SetMinTolerance (const Standard_Real mintol) | |
202 | { | |
203 | ShapeFix_Root::SetMinTolerance ( mintol ); | |
204 | myFixWire->SetMinTolerance ( mintol ); | |
205 | } | |
206 | ||
207 | //======================================================================= | |
208 | //function : SetMaxTolerance | |
209 | //purpose : | |
210 | //======================================================================= | |
211 | ||
212 | void ShapeFix_Face::SetMaxTolerance (const Standard_Real maxtol) | |
213 | { | |
214 | ShapeFix_Root::SetMaxTolerance ( maxtol ); | |
215 | myFixWire->SetMaxTolerance ( maxtol ); | |
216 | } | |
217 | ||
218 | //======================================================================= | |
219 | //function : Init | |
220 | //purpose : | |
221 | //======================================================================= | |
222 | ||
223 | void ShapeFix_Face::Init (const Handle(Geom_Surface)& surf, | |
224 | const Standard_Real preci, const Standard_Boolean fwd) | |
225 | { | |
226 | myStatus = 0; | |
227 | Handle(ShapeAnalysis_Surface) sas = new ShapeAnalysis_Surface ( surf ); | |
228 | Init ( sas, preci, fwd ); | |
229 | } | |
230 | ||
231 | //======================================================================= | |
232 | //function : Init | |
233 | //purpose : | |
234 | //======================================================================= | |
235 | ||
236 | void ShapeFix_Face::Init (const Handle(ShapeAnalysis_Surface)& surf, | |
237 | const Standard_Real preci, const Standard_Boolean fwd) | |
238 | { | |
239 | myStatus = 0; | |
240 | mySurf = surf; | |
241 | SetPrecision ( preci ); | |
242 | BRep_Builder B; | |
243 | B.MakeFace ( myFace, mySurf->Surface(), ::Precision::Confusion() ); | |
244 | myShape = myFace; | |
245 | myFwd = fwd; | |
246 | if ( !fwd ) myFace.Orientation(TopAbs_REVERSED); | |
247 | } | |
248 | ||
249 | //======================================================================= | |
250 | //function : Init | |
251 | //purpose : | |
252 | //======================================================================= | |
253 | ||
254 | void ShapeFix_Face::Init (const TopoDS_Face& face) | |
255 | { | |
256 | myStatus = 0; | |
257 | mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface (face) ); | |
258 | myFwd = ( face.Orientation() != TopAbs_REVERSED ); | |
259 | myFace = face; | |
260 | myShape = myFace; | |
261 | // myFace = TopoDS::Face(face.EmptyCopied()); | |
262 | // for (TopoDS_Iterator ws (face,Standard_False); ws.More(); ws.Next()) | |
263 | // Add (TopoDS::Wire (ws.Value()) ); | |
264 | } | |
265 | ||
266 | //======================================================================= | |
267 | //function : Add | |
268 | //purpose : | |
269 | //======================================================================= | |
270 | ||
271 | void ShapeFix_Face::Add (const TopoDS_Wire& wire) | |
272 | { | |
273 | if ( wire.IsNull() ) return; | |
274 | BRep_Builder B; | |
275 | //szv#4:S4163:12Mar99 SGI warns | |
276 | TopoDS_Shape fc = myFace.Oriented(TopAbs_FORWARD); //:l2 abv 10 Jan 99: Oriented() | |
277 | B.Add ( fc, wire ); | |
278 | } | |
279 | ||
280 | ||
281 | //======================================================================= | |
282 | //function : SplitWire | |
316ea293 | 283 | //purpose : auxiliary - try to split wire (it is needed if some segments |
284 | // were removed in ShapeFix_Wire::FixSelfIntersection() ) | |
7fd59977 | 285 | //======================================================================= |
fdabc211 | 286 | static Standard_Boolean SplitWire(const TopoDS_Face &face, const TopoDS_Wire& wire, |
7fd59977 | 287 | TopTools_SequenceOfShape& aResWires) |
288 | { | |
289 | TColStd_MapOfInteger UsedEdges; | |
290 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
291 | Standard_Integer i,j,k; | |
292 | ShapeAnalysis_Edge sae; | |
293 | for(i=1; i<=sewd->NbEdges(); i++) { | |
294 | if(UsedEdges.Contains(i)) continue; | |
295 | TopoDS_Edge E1 = sewd->Edge(i); | |
296 | UsedEdges.Add(i); | |
297 | TopoDS_Vertex V0,V1,V2; | |
298 | V0 = sae.FirstVertex(E1); | |
299 | V1 = sae.LastVertex(E1); | |
300 | Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData; | |
301 | sewd1->Add(E1); | |
302 | Standard_Boolean IsConnectedEdge = Standard_True; | |
303 | for(j=2; j<=sewd->NbEdges() && IsConnectedEdge; j++) { | |
fdabc211 | 304 | TopoDS_Edge E2; |
7fd59977 | 305 | for(k=2; k<=sewd->NbEdges(); k++) { |
306 | if(UsedEdges.Contains(k)) continue; | |
fdabc211 | 307 | E2 = sewd->Edge(k); |
7fd59977 | 308 | TopoDS_Vertex V21 = sae.FirstVertex(E2); |
309 | TopoDS_Vertex V22 = sae.LastVertex(E2); | |
310 | if( sae.FirstVertex(E2).IsSame(V1) ) { | |
311 | sewd1->Add(E2); | |
312 | UsedEdges.Add(k); | |
313 | V1 = sae.LastVertex(E2); | |
314 | break; | |
315 | } | |
316 | } | |
7fd59977 | 317 | if(k>sewd->NbEdges()) { |
318 | IsConnectedEdge = Standard_False; | |
319 | break; | |
320 | } | |
fdabc211 | 321 | if(V1.IsSame(V0)) { |
322 | //check that V0 and V1 are same in 2d too | |
323 | Standard_Real a1,b1,a2,b2; | |
324 | Handle (Geom2d_Curve) curve1 = BRep_Tool::CurveOnSurface(E1,face,a1,b1); | |
325 | Handle (Geom2d_Curve) curve2 = BRep_Tool::CurveOnSurface(E2,face,a2,b2); | |
326 | gp_Pnt2d v0,v1; | |
327 | if (E1.Orientation() == TopAbs_REVERSED) | |
328 | a1 = b1; | |
329 | if (E2.Orientation() == TopAbs_REVERSED) | |
330 | b2 = a2; | |
331 | curve1->D0(a1,v0); | |
332 | curve2->D0(b2,v1); | |
333 | GeomAdaptor_Surface anAdaptor(BRep_Tool::Surface(face)); | |
334 | Standard_Real tol = Max(BRep_Tool::Tolerance(V0),BRep_Tool::Tolerance(V1)); | |
335 | Standard_Real maxResolution = 2 * Max ( anAdaptor.UResolution(tol), anAdaptor.VResolution(tol) ); | |
336 | if (v0.SquareDistance(v1) < maxResolution) { | |
337 | // new wire is closed, put it into sequence | |
338 | aResWires.Append(sewd1->Wire()); | |
339 | break; | |
340 | } | |
341 | } | |
7fd59977 | 342 | } |
343 | if(!IsConnectedEdge) { | |
344 | // create new notclosed wire | |
345 | aResWires.Append(sewd1->Wire()); | |
346 | } | |
347 | if(UsedEdges.Extent()==sewd->NbEdges()) break; | |
348 | } | |
349 | ||
350 | if(aResWires.Length()>1) { | |
0797d9d3 | 351 | #ifdef OCCT_DEBUG |
316ea293 | 352 | std::cout<<"Wire was split on "<<aResWires.Length()<<" wires"<< std::endl; |
7fd59977 | 353 | #endif |
354 | } | |
355 | ||
356 | return Standard_True; | |
357 | } | |
358 | ||
359 | ||
360 | //======================================================================= | |
361 | //function : Perform | |
362 | //purpose : | |
363 | //======================================================================= | |
364 | ||
365 | Standard_Boolean ShapeFix_Face::Perform() | |
366 | { | |
367 | myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); | |
368 | myFixWire->SetContext ( Context() ); | |
a9dde4a3 | 369 | Handle(ShapeFix_Wire) theAdvFixWire = myFixWire; |
7fd59977 | 370 | if (theAdvFixWire.IsNull()) return Standard_False; |
371 | ||
372 | BRep_Builder B; | |
373 | TopoDS_Shape aInitFace = myFace; | |
374 | // perform first part of fixes on wires | |
375 | Standard_Boolean isfixReorder = Standard_False; | |
376 | Standard_Boolean isReplaced = Standard_False; | |
377 | ||
378 | //gka fix in order to avoid lost messages (following OCC21771) | |
379 | TopTools_DataMapOfShapeShape aMapReorderedWires; | |
380 | ||
381 | Standard_Real aSavPreci = Precision(); | |
382 | if ( NeedFix ( myFixWireMode ) ) { | |
383 | theAdvFixWire->SetFace ( myFace ); | |
384 | ||
385 | Standard_Integer usFixLackingMode = theAdvFixWire->FixLackingMode(); | |
0d4e3501 | 386 | //Standard_Integer usFixNotchedEdgesMode = theAdvFixWire->FixNotchedEdgesMode(); // CR0024983 |
7fd59977 | 387 | Standard_Integer usFixSelfIntersectionMode = theAdvFixWire->FixSelfIntersectionMode(); |
388 | theAdvFixWire->FixLackingMode() = Standard_False; | |
0d4e3501 | 389 | //theAdvFixWire->FixNotchedEdgesMode() = Standard_False; // CR0024983 |
7fd59977 | 390 | theAdvFixWire->FixSelfIntersectionMode() = Standard_False; |
391 | ||
392 | Standard_Boolean fixed = Standard_False; | |
393 | TopoDS_Shape S = myFace; | |
394 | if ( ! Context().IsNull() ) | |
395 | S = Context()->Apply ( myFace ); | |
396 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
397 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
398 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
399 | ||
400 | /* | |
401 | // skl 14.05.2002 OCC55 + corrected 03.03.2004 | |
402 | Standard_Real dPreci = aSavPreci*aSavPreci; | |
403 | dPreci*=4; | |
404 | Standard_Real newpreci=dPreci; | |
405 | for(TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next()) { | |
406 | TopoDS_Edge edge = TopoDS::Edge ( exp.Current() ); | |
407 | Standard_Real first,last; | |
408 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge, first, last); | |
409 | if(!c3d.IsNull()) { | |
410 | Bnd_Box bb; | |
411 | bb.Add(c3d->Value(first)); | |
412 | bb.Add(c3d->Value(last)); | |
413 | bb.Add(c3d->Value((last+first)/2.)); | |
414 | Standard_Real x1,x2,y1,y2,z1,z2,size; | |
415 | bb.Get(x1,y1,z1,x2,y2,z2); | |
416 | size = (x2-x1)*(x2-x1) + (y2-y1)*(y2-y1) + (z2-z1)*(z2-z1); | |
417 | if(size<newpreci) newpreci=size; | |
418 | } | |
419 | } | |
420 | newpreci=sqrt(newpreci)/2.*1.00001; | |
421 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { | |
422 | SetPrecision(newpreci); | |
423 | theAdvFixWire->SetPrecision(newpreci); | |
424 | } | |
425 | // end skl 14.05.2002 | |
426 | */ | |
427 | ||
428 | // skl 29.03.2010 (OCC21623) | |
429 | if( myAutoCorrectPrecisionMode ) { | |
430 | Standard_Real size = ShapeFix::LeastEdgeSize(S); | |
431 | Standard_Real newpreci = Min(aSavPreci,size/2.); | |
432 | newpreci = newpreci*1.00001; | |
433 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { | |
434 | SetPrecision(newpreci); | |
435 | theAdvFixWire->SetPrecision(newpreci); | |
436 | } | |
437 | } | |
46aed280 | 438 | |
7fd59977 | 439 | isfixReorder = Standard_False; |
440 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
441 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
442 | B.Add ( tmpFace, iter.Value() ); | |
443 | continue; | |
444 | } | |
445 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
446 | theAdvFixWire->Load ( wire ); | |
447 | if(theAdvFixWire->NbEdges() == 0) { | |
448 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) | |
449 | B.Add ( tmpFace, wire ); | |
450 | else { | |
451 | fixed = Standard_True; | |
452 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
453 | } | |
454 | continue; | |
455 | } | |
456 | if ( theAdvFixWire->Perform() ) { | |
457 | //fixed = Standard_True; | |
d3c5411b | 458 | isfixReorder = (theAdvFixWire->StatusReorder(ShapeExtend_DONE) || isfixReorder); |
7fd59977 | 459 | fixed = (theAdvFixWire->StatusSmall(ShapeExtend_DONE) || |
460 | theAdvFixWire->StatusConnected(ShapeExtend_DONE) || | |
461 | theAdvFixWire->StatusEdgeCurves(ShapeExtend_DONE) || | |
0d4e3501 | 462 | theAdvFixWire->StatusNotches(ShapeExtend_DONE) || // CR0024983 |
fbf3becf | 463 | theAdvFixWire->StatusFixTails(ShapeExtend_DONE) || |
7fd59977 | 464 | theAdvFixWire->StatusDegenerated(ShapeExtend_DONE) || |
465 | theAdvFixWire->StatusClosed(ShapeExtend_DONE)); | |
466 | TopoDS_Wire w = theAdvFixWire->Wire(); | |
467 | if(fixed) { | |
468 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); | |
469 | if(theAdvFixWire->NbEdges() == 0) { | |
470 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
471 | continue; | |
472 | } | |
473 | } | |
474 | else if(!wire.IsSame(w)) | |
475 | aMapReorderedWires.Bind(wire,w); | |
476 | ||
477 | wire = w; | |
478 | } | |
479 | B.Add ( tmpFace, wire ); | |
480 | // if ( theAdvFixWire->Status ( ShapeExtend_FAIL ) ) | |
481 | // myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); | |
482 | } | |
483 | ||
484 | theAdvFixWire->FixLackingMode() = usFixLackingMode; | |
0d4e3501 | 485 | //theAdvFixWire->FixNotchedEdgesMode() = usFixNotchedEdgesMode; // CR0024983 |
7fd59977 | 486 | theAdvFixWire->FixSelfIntersectionMode() = usFixSelfIntersectionMode; |
487 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
488 | ||
489 | if ( fixed ) { | |
490 | //if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
491 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
492 | //myFace = tmpFace; | |
493 | isReplaced = Standard_True; | |
7fd59977 | 494 | } |
673693f1 | 495 | if(fixed || isfixReorder) { |
7fd59977 | 496 | myFace = tmpFace; |
d3c5411b | 497 | if (!theAdvFixWire->StatusReorder(ShapeExtend_DONE5)) { |
498 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); | |
499 | } | |
673693f1 | 500 | } |
7fd59977 | 501 | } |
502 | ||
503 | myResult = myFace; | |
504 | TopoDS_Shape savShape = myFace; //gka BUG 6555 | |
84dc990a S |
505 | |
506 | // Specific case for conic surfaces | |
507 | if ( NeedFix(myFixPeriodicDegenerated) ) | |
508 | this->FixPeriodicDegenerated(); | |
509 | ||
7fd59977 | 510 | // fix missing seam |
511 | if ( NeedFix ( myFixMissingSeamMode ) ) { | |
512 | if ( FixMissingSeam() ) { | |
513 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); | |
514 | } | |
515 | } | |
516 | ||
517 | // cycle by all possible faces coming from FixMissingSeam | |
46aed280 | 518 | // each face is processed as if it was single |
7fd59977 | 519 | TopExp_Explorer exp(myResult,TopAbs_FACE); |
520 | for ( ; exp.More(); exp.Next() ) { | |
521 | myFace = TopoDS::Face ( exp.Current() ); | |
522 | Standard_Boolean NeedCheckSplitWire = Standard_False; | |
523 | ||
524 | // perform second part of fixes on wires | |
525 | if ( NeedFix ( myFixWireMode ) ) { | |
526 | theAdvFixWire->SetFace ( myFace ); | |
527 | ||
528 | Standard_Integer usFixSmallMode = theAdvFixWire->FixSmallMode(); | |
529 | Standard_Integer usFixConnectedMode = theAdvFixWire->FixConnectedMode(); | |
530 | Standard_Integer usFixEdgeCurvesMode =theAdvFixWire->FixEdgeCurvesMode(); | |
531 | Standard_Integer usFixDegeneratedMode = theAdvFixWire->FixDegeneratedMode(); | |
532 | theAdvFixWire->FixSmallMode() = Standard_False; | |
533 | theAdvFixWire->FixConnectedMode() = Standard_False; | |
534 | theAdvFixWire->FixEdgeCurvesMode() = Standard_False; | |
535 | theAdvFixWire->FixDegeneratedMode() = Standard_False; | |
536 | ||
537 | Standard_Boolean fixed = Standard_False; | |
538 | TopoDS_Shape S = myFace; | |
539 | if ( ! Context().IsNull() ) | |
540 | S = Context()->Apply ( myFace ); | |
541 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
542 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
543 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
544 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
545 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
546 | B.Add ( tmpFace,iter.Value()); | |
547 | continue; | |
548 | } | |
549 | ||
550 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
551 | theAdvFixWire->Load ( wire ); | |
552 | if(theAdvFixWire->NbEdges() == 0) { | |
553 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) | |
554 | B.Add ( tmpFace, wire ); | |
555 | else { | |
556 | fixed = Standard_True; | |
557 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
558 | } | |
559 | continue; | |
560 | } | |
561 | if ( theAdvFixWire->Perform() ) { | |
562 | isfixReorder = theAdvFixWire->StatusReorder(ShapeExtend_DONE); | |
fbf3becf | 563 | fixed = (theAdvFixWire->StatusLacking(ShapeExtend_DONE) || |
564 | theAdvFixWire->StatusSelfIntersection(ShapeExtend_DONE) || | |
565 | theAdvFixWire->StatusNotches(ShapeExtend_DONE) || | |
566 | theAdvFixWire->StatusFixTails(ShapeExtend_DONE)); | |
7fd59977 | 567 | TopoDS_Wire w = theAdvFixWire->Wire(); |
568 | if(fixed) { | |
569 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); | |
570 | ||
571 | } | |
572 | else if(!wire.IsSame(w)) | |
573 | aMapReorderedWires.Bind(wire,w); | |
574 | ||
575 | wire = w; | |
576 | } | |
577 | if(theAdvFixWire->StatusRemovedSegment()) | |
578 | NeedCheckSplitWire = Standard_True; | |
579 | ||
580 | //fix for loop of wire | |
581 | TopTools_SequenceOfShape aLoopWires; | |
582 | if(NeedFix ( myFixLoopWiresMode) && FixLoopWire(aLoopWires)) { | |
999d2599 | 583 | if (aLoopWires.Length() > 1) |
316ea293 | 584 | SendWarning ( wire, Message_Msg ( "FixAdvFace.FixLoopWire.MSG0" ) );// Wire was split on several wires |
7fd59977 | 585 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
586 | fixed = Standard_True; | |
587 | Standard_Integer k=1; | |
588 | for( ; k <= aLoopWires.Length(); k++) | |
589 | B.Add (tmpFace,aLoopWires.Value(k)); | |
590 | } | |
591 | else | |
592 | B.Add ( tmpFace, wire ); | |
593 | } | |
594 | ||
595 | theAdvFixWire->FixSmallMode() = usFixSmallMode; | |
596 | theAdvFixWire->FixConnectedMode() = usFixConnectedMode; | |
597 | theAdvFixWire->FixEdgeCurvesMode() = usFixEdgeCurvesMode; | |
598 | theAdvFixWire->FixDegeneratedMode() = usFixDegeneratedMode; | |
599 | ||
600 | if ( fixed ) { | |
601 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); | |
602 | if(!isReplaced && !aInitFace.IsSame(myResult) && ! Context().IsNull()) //gka 06.09.04 BUG 6555 | |
603 | Context()->Replace(aInitFace,savShape); | |
604 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
605 | myFace = tmpFace; | |
606 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); | |
607 | } | |
608 | } | |
609 | ||
610 | if(NeedCheckSplitWire) { | |
611 | // try to split wire - it is needed if some segments were removed | |
612 | // in ShapeFix_Wire::FixSelfIntersection() | |
613 | TopoDS_Shape S = myFace; | |
614 | if ( ! Context().IsNull() ) | |
615 | S = Context()->Apply ( myFace ); | |
616 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
617 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
618 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
619 | TopTools_SequenceOfShape aWires; | |
620 | Standard_Integer nbw=0; | |
621 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { | |
622 | if(iter.Value().ShapeType() != TopAbs_WIRE) { | |
623 | B.Add (tmpFace,iter.Value()); | |
624 | continue; | |
625 | } | |
56084216 | 626 | if(iter.Value().Orientation() != TopAbs_FORWARD && |
7fd59977 | 627 | iter.Value().Orientation() != TopAbs_REVERSED) { |
628 | B.Add (tmpFace,TopoDS::Wire(iter.Value())); | |
629 | continue; | |
630 | } | |
631 | nbw++; | |
632 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); | |
fdabc211 | 633 | SplitWire(tmpFace,wire,aWires); |
7fd59977 | 634 | } |
635 | if(nbw<aWires.Length()) { | |
636 | for(Standard_Integer iw=1; iw<=aWires.Length(); iw++) | |
637 | B.Add (tmpFace,aWires.Value(iw)); | |
638 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); | |
639 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); | |
640 | myFace = tmpFace; | |
641 | } | |
642 | } | |
643 | ||
644 | // fix intersecting wires | |
645 | if(FixWiresTwoCoincEdges()) | |
646 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
647 | if ( NeedFix ( myFixIntersectingWiresMode ) ) { | |
648 | if ( FixIntersectingWires() ) { | |
649 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); | |
650 | } | |
651 | } | |
652 | ||
653 | // fix orientation | |
654 | TopTools_DataMapOfShapeListOfShape MapWires; | |
655 | MapWires.Clear(); | |
656 | if ( NeedFix ( myFixOrientationMode ) ) { | |
657 | if ( FixOrientation(MapWires) ) | |
658 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); | |
659 | } | |
660 | ||
661 | BRepTools::Update(myFace); | |
662 | ||
663 | // fix natural bounds | |
664 | Standard_Boolean NeedSplit = Standard_True; | |
665 | if ( NeedFix ( myFixAddNaturalBoundMode ) ) { | |
666 | if ( FixAddNaturalBound() ) { | |
667 | NeedSplit = Standard_False; | |
668 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); | |
669 | } | |
670 | } | |
671 | ||
672 | // split face | |
673 | if ( NeedFix ( myFixSplitFaceMode ) && NeedSplit && MapWires.Extent()>1 ) { | |
674 | if ( FixSplitFace(MapWires) ) | |
675 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); | |
676 | } | |
677 | ||
678 | } | |
679 | ||
680 | //return the original preci | |
681 | SetPrecision(aSavPreci); | |
46aed280 | 682 | theAdvFixWire->SetPrecision(aSavPreci); |
7fd59977 | 683 | |
684 | // cycle by all possible faces coming from FixAddNaturalBound | |
685 | // each face is processed as if it was single | |
686 | for ( exp.Init(myResult,TopAbs_FACE); exp.More(); exp.Next() ) { | |
687 | myFace = TopoDS::Face ( exp.Current() ); | |
688 | ||
689 | // fix small-area wires | |
56a9db93 | 690 | if ( NeedFix ( myFixSmallAreaWireMode, Standard_False ) ) |
691 | { | |
692 | const Standard_Boolean isRemoveFace = NeedFix( myRemoveSmallAreaFaceMode, Standard_False ); | |
693 | if ( FixSmallAreaWire( isRemoveFace ) ) | |
694 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); | |
7fd59977 | 695 | } |
696 | } | |
56a9db93 | 697 | |
7fd59977 | 698 | if ( ! Context().IsNull() ) { |
699 | if(Status ( ShapeExtend_DONE ) && !isReplaced && !aInitFace.IsSame(savShape)) | |
700 | { | |
701 | //gka fix in order to avoid lost messages (following OCC21771) | |
702 | if(aMapReorderedWires.Extent()) | |
703 | { | |
704 | TopoDS_Iterator aItW(aInitFace,Standard_False); | |
705 | for( ; aItW.More() ; aItW.Next()) | |
706 | { | |
707 | TopoDS_Shape aCurW = aItW.Value(); | |
708 | while(aMapReorderedWires.IsBound(aCurW)) | |
709 | { | |
710 | TopoDS_Shape aFixW = aMapReorderedWires.Find(aCurW); | |
711 | Context()->Replace(aCurW, aFixW); | |
712 | aCurW = aFixW; | |
713 | } | |
714 | } | |
715 | ||
716 | } | |
717 | Context()->Replace(aInitFace, savShape); | |
718 | } | |
719 | myResult = Context()->Apply ( aInitFace ); //gka 06.09.04 | |
720 | } | |
721 | else if(!Status ( ShapeExtend_DONE )) | |
722 | myResult = aInitFace; | |
723 | ||
724 | return Status ( ShapeExtend_DONE ); | |
725 | } | |
726 | ||
727 | //======================================================================= | |
728 | //function : Auxiliary functions | |
729 | //purpose : | |
730 | //======================================================================= | |
731 | ||
732 | // Shift all pcurves of edges in the given wire on the given face | |
733 | // to vector <vec> | |
734 | static void Shift2dWire(const TopoDS_Wire w, const TopoDS_Face f, | |
735 | const gp_Vec2d vec, | |
736 | const Handle(ShapeAnalysis_Surface)& mySurf, | |
737 | Standard_Boolean recompute3d = Standard_False) | |
738 | { | |
739 | gp_Trsf2d tr2d; | |
740 | tr2d.SetTranslation(vec.XY()); | |
741 | ShapeAnalysis_Edge sae; | |
742 | ShapeBuild_Edge sbe; | |
743 | BRep_Builder B; | |
744 | for (TopoDS_Iterator ei (w,Standard_False); ei.More(); ei.Next()){ | |
745 | TopoDS_Edge edge = TopoDS::Edge(ei.Value()); | |
746 | Handle (Geom2d_Curve) C2d; | |
747 | Standard_Real cf, cl; | |
748 | if ( ! sae.PCurve(edge, f, C2d, cf, cl, Standard_True) ) continue; | |
749 | C2d->Transform(tr2d); | |
750 | if ( recompute3d ) { | |
751 | // recompute 3d curve and vertex | |
752 | sbe.RemoveCurve3d ( edge ); | |
753 | sbe.BuildCurve3d ( edge ); | |
754 | B.UpdateVertex ( sae.FirstVertex(edge), mySurf->Value(C2d->Value(cf)), 0. ); | |
755 | } | |
756 | } | |
757 | } | |
758 | ||
759 | // Cut interval from the sequence of intervals | |
760 | static Standard_Boolean CutInterval (TColgp_SequenceOfPnt2d &intervals, | |
761 | const gp_Pnt2d &toAddI, | |
762 | const Standard_Real period) | |
763 | { | |
764 | if ( intervals.Length() <=0 ) return Standard_False; | |
765 | for ( Standard_Integer j=0; j <2; j++ ) { // try twice, align to bottom and to top | |
766 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { | |
767 | gp_Pnt2d interval = intervals(i); | |
768 | // ACIS907, OCC921 a054a.sat (face 124) | |
769 | Standard_Real shift = ShapeAnalysis::AdjustByPeriod ( ( j ? toAddI.X() : toAddI.Y() ), | |
770 | 0.5*( interval.X() + interval.Y() ),period); | |
771 | gp_Pnt2d toAdd ( toAddI.X() + shift, toAddI.Y() + shift ); | |
772 | if ( toAdd.Y() <= interval.X() || toAdd.X() >= interval.Y() ) continue; | |
773 | if ( toAdd.X() > interval.X() ) { | |
774 | if ( toAdd.Y() < interval.Y() ) { | |
775 | intervals.InsertBefore ( i, interval ); | |
776 | intervals.ChangeValue(i+1).SetX ( toAdd.Y() ); // i++... | |
777 | } | |
778 | intervals.ChangeValue(i).SetY ( toAdd.X() ); | |
779 | } | |
780 | else if ( toAdd.Y() < interval.Y() ) { | |
781 | intervals.ChangeValue(i).SetX ( toAdd.Y() ); | |
782 | } | |
783 | else intervals.Remove ( i-- ); | |
784 | } | |
785 | } | |
786 | return Standard_True; | |
787 | } | |
788 | ||
789 | // Find middle of the biggest interval | |
790 | static Standard_Real FindBestInterval (TColgp_SequenceOfPnt2d &intervals) | |
791 | { | |
792 | Standard_Real shift = 0., max = -1.; | |
793 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { | |
794 | gp_Pnt2d interval = intervals(i); | |
795 | if ( interval.Y() - interval.X() <= max ) continue; | |
796 | max = interval.Y() - interval.X(); | |
797 | shift = interval.X() + 0.5 * max; | |
798 | } | |
799 | return shift; | |
800 | } | |
801 | ||
802 | //======================================================================= | |
803 | //function : FixAddNaturalBound | |
316ea293 | 804 | //purpose : |
7fd59977 | 805 | //======================================================================= |
316ea293 | 806 | // Detect missing natural boundary on spherical surfaces and add it if |
7fd59977 | 807 | // necessary |
808 | //pdn 981202: add natural bounds if missing (on sphere only) | |
809 | //:abv 28.08.01: rewritten and extended for toruses | |
810 | ||
811 | Standard_Boolean ShapeFix_Face::FixAddNaturalBound() | |
812 | { | |
813 | if ( ! Context().IsNull() ) { | |
814 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
815 | myFace = TopoDS::Face ( S ); | |
816 | } | |
817 | ||
818 | // collect wires in sequence | |
819 | TopTools_SequenceOfShape ws; | |
820 | TopTools_SequenceOfShape vs; | |
821 | TopoDS_Iterator wi (myFace,Standard_False); | |
822 | for ( ; wi.More(); wi.Next()) { | |
823 | if(wi.Value().ShapeType() == TopAbs_WIRE && | |
824 | (wi.Value().Orientation() == TopAbs_FORWARD || wi.Value().Orientation() == TopAbs_REVERSED)) | |
825 | ws.Append (wi.Value()); | |
826 | else | |
827 | vs.Append(wi.Value()); | |
828 | } | |
829 | ||
46aed280 | 830 | // deal with the case of an empty face: just create a new face by a standard tool |
831 | if (ws.IsEmpty() && !IsSurfaceUVInfinite (mySurf->Surface())) | |
832 | { | |
833 | BRepBuilderAPI_MakeFace aFaceBuilder (mySurf->Surface(), Precision::Confusion()); | |
834 | ||
835 | TopoDS_Face aNewFace = aFaceBuilder.Face(); | |
836 | aNewFace.Orientation (myFace.Orientation()); | |
837 | ||
838 | if ( ! Context().IsNull() ) | |
839 | Context()->Replace (myFace, aNewFace); | |
840 | ||
841 | // taking into account orientation | |
842 | myFace = aNewFace; | |
7fd59977 | 843 | |
844 | //gka 11.01.99 file PRO7755.stp entity #2018 surface #1895: error BRepLib_MakeFace func IsDegenerated | |
845 | Handle(ShapeFix_Edge) sfe = myFixWire->FixEdgeTool(); | |
846 | for (TopExp_Explorer Eed (myFace, TopAbs_EDGE); Eed.More(); Eed.Next()) { | |
847 | TopoDS_Edge edg = TopoDS::Edge (Eed.Current()); | |
98a43400 | 848 | sfe->FixVertexTolerance(edg, myFace); |
7fd59977 | 849 | } |
850 | ||
851 | // B.UpdateFace (myFace,myPrecision); | |
999d2599 | 852 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
7fd59977 | 853 | BRepTools::Update(myFace); |
46aed280 | 854 | myResult = myFace; |
7fd59977 | 855 | return Standard_True; |
856 | } | |
46aed280 | 857 | |
858 | // check if surface is double-closed and fix is needed | |
d66f7c0f | 859 | if ( !IsSurfaceUVPeriodic (mySurf->Adaptor3d()) || ShapeAnalysis::IsOuterBound (myFace) ) |
7fd59977 | 860 | return Standard_False; |
861 | ||
316ea293 | 862 | // Collect information on free intervals in U and V |
7fd59977 | 863 | TColgp_SequenceOfPnt2d intU, intV, centers; |
864 | Standard_Real SUF, SUL, SVF, SVL; | |
865 | mySurf->Bounds(SUF, SUL, SVF, SVL); | |
866 | intU.Append ( gp_Pnt2d(SUF, SUL) ); | |
867 | intV.Append ( gp_Pnt2d(SVF, SVL) ); | |
868 | Standard_Integer nb = ws.Length(); | |
869 | Standard_Integer i; | |
d66f7c0f | 870 | |
7fd59977 | 871 | for ( i=1; i <= nb; i ++) { |
872 | Standard_Real Umin, Vmin, Umax, Vmax; | |
873 | // Bnd_Box2d B; | |
874 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); | |
875 | // PTV 01.11.2002 ACIS907, OCC921 begin | |
876 | // BRepTools::AddUVBounds(myFace,aw,B); | |
877 | // B.Get(Umin, Vmin, Umax, Vmax); | |
878 | TopoDS_Face aWireFace = TopoDS::Face( myFace.EmptyCopied() ); | |
879 | BRep_Builder aB; | |
880 | aB.Add( aWireFace, aw ); | |
881 | ShapeAnalysis::GetFaceUVBounds(aWireFace, Umin, Umax, Vmin, Vmax); | |
d66f7c0f | 882 | |
7fd59977 | 883 | // PTV 01.11.2002 ACIS907, OCC921 end |
884 | if ( mySurf->IsUClosed() ) CutInterval ( intU, gp_Pnt2d(Umin,Umax), SUL-SUF ); | |
885 | if ( mySurf->IsVClosed() ) CutInterval ( intV, gp_Pnt2d(Vmin,Vmax), SVL-SVF ); | |
886 | centers.Append ( gp_Pnt2d ( 0.5*(Umin+Umax), 0.5*(Vmin+Vmax) ) ); | |
887 | } | |
d66f7c0f | 888 | |
7fd59977 | 889 | // find best interval and thus compute shift |
890 | gp_Pnt2d shift(0.,0.); | |
891 | if ( mySurf->IsUClosed() ) shift.SetX ( FindBestInterval ( intU ) ); | |
892 | if ( mySurf->IsVClosed() ) shift.SetY ( FindBestInterval ( intV ) ); | |
893 | ||
894 | // Adjust all other wires to be inside outer one | |
895 | gp_Pnt2d center ( shift.X() + 0.5*(SUL-SUF), shift.Y() + 0.5*(SVL-SVF) ); | |
896 | for ( i=1; i <= nb; i++ ) { | |
897 | TopoDS_Wire wire = TopoDS::Wire (ws.Value(i)); | |
898 | gp_Pnt2d sh(0.,0.); | |
899 | if ( mySurf->IsUClosed() ) | |
900 | sh.SetX ( ShapeAnalysis::AdjustByPeriod ( centers(i).X(), center.X(), SUL-SUF ) ); | |
901 | if ( mySurf->IsVClosed() ) | |
902 | sh.SetY ( ShapeAnalysis::AdjustByPeriod ( centers(i).Y(), center.Y(), SVL-SVF ) ); | |
903 | Shift2dWire ( wire, myFace, sh.XY(), mySurf ); | |
904 | } | |
905 | ||
906 | // Create naturally bounded surface and add that wire to sequence | |
907 | /* variant 1 | |
908 | // Create fictive grid and call ComposeShell | |
909 | Handle(Geom_RectangularTrimmedSurface) RTS = | |
910 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), SUF+shift.X(), SUL+shift.X(), | |
911 | SVF+shift.Y(), SVL+shift.Y() ); | |
912 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); | |
913 | grid->SetValue ( 1, 1, RTS ); | |
914 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); | |
915 | TopLoc_Location L; | |
916 | ||
917 | ShapeFix_ComposeShell CompShell; | |
918 | CompShell.Init ( G, L, myFace, ::Precision::Confusion() ); | |
919 | CompShell.ClosedMode() = Standard_True; | |
920 | CompShell.NaturalBoundMode() = Standard_True; | |
921 | CompShell.SetContext( Context() ); | |
922 | CompShell.SetMaxTolerance(MaxTolerance()); | |
923 | CompShell.Perform(); | |
924 | TopoDS_Shape res = CompShell.Result(); | |
925 | ||
926 | Context()->Replace ( myFace, res ); | |
927 | for (TopExp_Explorer exp ( res, TopAbs_FACE ); exp.More(); exp.Next() ) { | |
928 | myFace = TopoDS::Face ( exp.Current() ); | |
929 | BRepTools::Update(myFace); //:p4 | |
930 | } | |
931 | myResult = Context()->Apply ( myResult ); | |
932 | */ | |
933 | /* variant 2 */ | |
934 | TopLoc_Location L; | |
935 | Handle(Geom_Surface) surf = BRep_Tool::Surface ( myFace, L ); | |
1c72dff6 | 936 | BRepBuilderAPI_MakeFace mf (surf, Precision::Confusion()); |
7fd59977 | 937 | TopoDS_Face ftmp = mf.Face(); |
938 | ftmp.Location ( L ); | |
939 | for (wi.Initialize (ftmp,Standard_False); wi.More(); wi.Next()) { | |
940 | if(wi.Value().ShapeType() != TopAbs_WIRE) | |
941 | continue; | |
942 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); | |
943 | ws.Append ( wire ); | |
944 | if ( shift.XY().Modulus() < ::Precision::PConfusion() ) continue; | |
945 | Shift2dWire ( wire, myFace, shift.XY(), mySurf, Standard_True ); | |
946 | } | |
947 | ||
948 | // Fix possible case on sphere when gap contains degenerated edge | |
949 | // and thus has a common part with natural boundary | |
950 | // Such hole should be merged with boundary | |
951 | if ( mySurf->Adaptor3d()->GetType() == GeomAbs_Sphere && | |
952 | ws.Length() == nb+1 ) { | |
953 | Handle(ShapeExtend_WireData) bnd = | |
954 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Last() ) ); | |
955 | // code to become separate method FixTouchingWires() | |
956 | for ( i=1; i <= nb; i++ ) { | |
957 | Handle(ShapeExtend_WireData) sbwd = | |
958 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Value(i) ) ); | |
959 | for (Standard_Integer j=1; j <= sbwd->NbEdges(); j++ ) { | |
960 | if ( ! BRep_Tool::Degenerated ( sbwd->Edge(j) ) ) continue; | |
961 | // find corresponding place in boundary | |
962 | ShapeAnalysis_Edge sae; | |
963 | TopoDS_Vertex V = sae.FirstVertex ( sbwd->Edge(j) ); | |
964 | Standard_Integer k; | |
965 | for ( k=1; k <= bnd->NbEdges(); k++ ) { | |
966 | if ( ! BRep_Tool::Degenerated ( bnd->Edge(k) ) ) continue; | |
967 | if ( BRepTools::Compare ( V, sae.FirstVertex ( bnd->Edge(k) ) ) ) break; | |
968 | } | |
969 | if ( k > bnd->NbEdges() ) continue; | |
970 | // and insert hole to that place | |
971 | BRep_Builder B; | |
972 | B.Degenerated ( sbwd->Edge(j), Standard_False ); | |
973 | B.Degenerated ( bnd->Edge(k), Standard_False ); | |
974 | sbwd->SetLast ( j ); | |
975 | bnd->Add ( sbwd, k+1 ); | |
976 | ws.Remove ( i-- ); | |
977 | nb--; | |
978 | myFixWire->SetFace ( myFace ); | |
979 | myFixWire->Load ( bnd ); | |
980 | myFixWire->FixConnected(); | |
981 | myFixWire->FixDegenerated(); | |
982 | ws.SetValue ( ws.Length(), bnd->Wire() ); | |
983 | break; | |
984 | } | |
985 | } | |
986 | } | |
987 | ||
988 | // Create resulting face | |
989 | BRep_Builder B; | |
990 | TopoDS_Shape S = myFace.EmptyCopied(); | |
991 | S.Orientation ( TopAbs_FORWARD ); | |
992 | for ( i = 1; i <= ws.Length(); i++ ) B.Add ( S, ws.Value(i) ); | |
993 | for ( i = 1; i <= vs.Length(); i++ ) B.Add ( S, vs.Value(i) ); | |
994 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); | |
995 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); | |
996 | myFace = TopoDS::Face ( S ); | |
997 | BRepTools::Update(myFace); | |
998 | ||
999 | /**/ | |
0797d9d3 | 1000 | #ifdef OCCT_DEBUG |
04232180 | 1001 | std::cout<<"Natural bound on sphere or torus with holes added"<<std::endl; // mise au point ! |
7fd59977 | 1002 | #endif |
999d2599 | 1003 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
7fd59977 | 1004 | return Standard_True; |
1005 | } | |
1006 | ||
1007 | ||
1008 | //======================================================================= | |
1009 | //function : FixOrientation | |
1010 | //purpose : | |
1011 | //======================================================================= | |
1012 | ||
1013 | Standard_Boolean ShapeFix_Face::FixOrientation() | |
1014 | { | |
1015 | TopTools_DataMapOfShapeListOfShape MapWires; | |
1016 | MapWires.Clear(); | |
1017 | return FixOrientation(MapWires); | |
1018 | } | |
1019 | ||
1020 | ||
1021 | //======================================================================= | |
1022 | //function : FixOrientation | |
1023 | //purpose : | |
1024 | //======================================================================= | |
1025 | ||
1026 | Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShape &MapWires) | |
1027 | { | |
1028 | Standard_Boolean done = Standard_False; | |
1029 | ||
1030 | if ( ! Context().IsNull() ) { | |
1031 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
1032 | myFace = TopoDS::Face ( S ); | |
1033 | } | |
1034 | TopTools_SequenceOfShape ws; | |
1035 | TopTools_SequenceOfShape allSubShapes; | |
1036 | // smh: BUC60810 : protection against very small wires (one-edge, null-length) | |
1037 | TopTools_SequenceOfShape VerySmallWires; | |
1038 | for ( TopoDS_Iterator wi (myFace,Standard_False); wi.More(); wi.Next()) { | |
1039 | if(wi.Value().ShapeType() == TopAbs_VERTEX || | |
1040 | (wi.Value().Orientation() != TopAbs_FORWARD && | |
1041 | wi.Value().Orientation() != TopAbs_REVERSED)) { | |
1042 | allSubShapes.Append (wi.Value()); | |
1043 | //ws.Append (wi.Value()); | |
1044 | continue; | |
1045 | } | |
1046 | ||
46aed280 | 1047 | TopoDS_Iterator ei (wi.Value(),Standard_False); |
7fd59977 | 1048 | TopoDS_Edge anEdge; |
1049 | Standard_Real length = RealLast(); | |
1050 | if ( ei.More() ) { | |
1051 | anEdge = TopoDS::Edge(ei.Value()); | |
1052 | ei.Next(); | |
1053 | if ( ! ei.More() ) { | |
1054 | length = 0; | |
1055 | Standard_Real First, Last; | |
1056 | Handle(Geom_Curve) c3d; | |
1057 | ShapeAnalysis_Edge sae; | |
1058 | if ( sae.Curve3d(anEdge,c3d,First,Last) ) { | |
1059 | gp_Pnt pntIni = c3d->Value(First); | |
1060 | gp_XYZ prev; | |
1061 | prev = pntIni.XYZ(); | |
1062 | Standard_Integer NbControl = 10; | |
1063 | for ( Standard_Integer j = 1; j < NbControl; j++) { | |
1064 | Standard_Real prm = ((NbControl-1-j)*First + j*Last)/(NbControl-1); | |
1065 | gp_Pnt pntCurr = c3d->Value(prm); | |
1066 | gp_XYZ curr = pntCurr.XYZ(); | |
1067 | gp_XYZ delta = curr - prev; | |
1068 | length += delta.Modulus(); | |
1069 | prev = curr; | |
1070 | } | |
1071 | } | |
1072 | } | |
1073 | } | |
1074 | else length = 0; | |
1075 | if (length > ::Precision::Confusion()) { | |
1076 | ws.Append (wi.Value()); | |
1077 | allSubShapes.Append (wi.Value()); | |
1078 | } | |
1079 | else VerySmallWires.Append (wi.Value()); | |
1080 | } | |
1081 | if ( VerySmallWires.Length() >0 ) done = Standard_True; | |
1082 | ||
1083 | Standard_Integer nb = ws.Length(); | |
1084 | Standard_Integer nbAll = allSubShapes.Length(); | |
1085 | BRep_Builder B; | |
1086 | ||
1087 | // if no wires, just do nothing | |
1088 | if ( nb <= 0) return Standard_False; | |
1089 | Standard_Integer nbInternal=0; | |
d66f7c0f | 1090 | |
1091 | Standard_Boolean isAddNaturalBounds = (NeedFix (myFixAddNaturalBoundMode) && IsSurfaceUVPeriodic(mySurf->Adaptor3d())); | |
7fd59977 | 1092 | TColStd_SequenceOfInteger aSeqReversed; |
1093 | // if wire is only one, check its orientation | |
1094 | if ( nb == 1 ) { | |
1095 | // skl 12.04.2002 for cases with nbwires>1 (VerySmallWires>1) | |
1096 | // make face with only one wire (ws.Value(1)) | |
1097 | TopoDS_Shape dummy = myFace.EmptyCopied(); | |
1098 | TopoDS_Face af = TopoDS::Face ( dummy ); | |
1099 | af.Orientation ( TopAbs_FORWARD ); | |
1100 | B.Add (af,ws.Value(1)); | |
d66f7c0f | 1101 | |
dde68833 | 1102 | if ((myFixAddNaturalBoundMode != 1 || |
d66f7c0f | 1103 | !IsSurfaceUVPeriodic(mySurf->Adaptor3d())) && |
1104 | !ShapeAnalysis::IsOuterBound(af)) | |
46aed280 | 1105 | { |
d66f7c0f | 1106 | Handle(ShapeExtend_WireData) sbdw = |
1107 | new ShapeExtend_WireData(TopoDS::Wire(ws.Value(1))); | |
1108 | sbdw->Reverse(myFace); | |
1109 | ws.SetValue(1, sbdw->Wire()); | |
1110 | SendWarning(sbdw->Wire(), Message_Msg("FixAdvFace.FixOrientation.MSG5"));// Wire on face was reversed | |
7fd59977 | 1111 | done = Standard_True; |
7fd59977 | 1112 | } |
1113 | } | |
1114 | // in case of several wires, perform complex analysis | |
1115 | // ATTENTION ESSAI | |
1116 | // Plusieurs wires : orientations relatives | |
1117 | // Chaque wire doit "contenir" tous les autres | |
1118 | // Evidemment, en cas de peau de leopard, il peut y avoir probleme | |
1119 | else { | |
1120 | // On prend chaque wire (NB: pcurves presentes !) | |
1121 | // En principe on devrait rejeter les wires non fermes (cf couture manque ?) | |
1122 | // On le classe par rapport aux autres, qui doivent tous etre, soit IN soit | |
1123 | // OUT. Sinon il y a imbrication -> SDB. Si IN, OK, si OUT on inverse | |
1124 | // (nb : ici pas myClos donc pas de pb de couture) | |
1125 | // Si au moins une inversion, il faut refaire la face (cf myRebil) | |
1126 | ||
1127 | //:94 abv 30 Jan 98: calculate parametric precision | |
1128 | ||
1129 | // GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface(); | |
1130 | // Standard_Real toluv = Min ( Ads.UResolution(Precision()), Ads.VResolution(Precision()) ); | |
1131 | Standard_Boolean uclosed = mySurf->IsUClosed(); | |
1132 | Standard_Boolean vclosed = mySurf->IsVClosed(); | |
1133 | Standard_Real SUF, SUL, SVF, SVL; | |
1134 | mySurf->Bounds(SUF, SUL, SVF, SVL); | |
1ee621b6 | 1135 | Standard_Real uRange = SUL - SUF; |
1136 | Standard_Real vRange = SVL - SVF; | |
7fd59977 | 1137 | |
1138 | TopTools_DataMapOfShapeListOfShape MW; | |
1139 | TopTools_DataMapOfShapeInteger SI; | |
1140 | TopTools_MapOfShape MapIntWires; | |
1141 | MW.Clear(); | |
1142 | SI.Clear(); | |
1143 | MapIntWires.Clear(); | |
1144 | Standard_Integer NbOuts=0; | |
1145 | Standard_Integer i; | |
1ee621b6 | 1146 | |
1147 | NCollection_Array1<Bnd_Box2d> aWireBoxes(1, nb); | |
1148 | Standard_Real uMiddle = 0, vMiddle = 0; | |
1149 | Standard_Boolean isFirst = Standard_True; | |
1150 | //create Bounding boxes for each wire | |
1151 | for ( i = 1; i <= nb; i ++) { | |
1152 | TopoDS_Shape aShape = ws.Value(i); | |
1153 | TopoDS_Wire aWire = TopoDS::Wire (aShape); | |
1154 | Bnd_Box2d aBox; | |
1155 | Standard_Real cf,cl; | |
1156 | TopoDS_Iterator ew (aWire); | |
1157 | for(;ew.More(); ew.Next()) { | |
1158 | TopoDS_Edge ed = TopoDS::Edge (ew.Value()); | |
1159 | Handle(Geom2d_Curve) cw = BRep_Tool::CurveOnSurface (ed,myFace,cf,cl); | |
3f50e94e | 1160 | if (cw.IsNull ()) |
1161 | { | |
1162 | continue; | |
1163 | } | |
1ee621b6 | 1164 | Geom2dAdaptor_Curve gac; |
1165 | Standard_Real aFirst = cw->FirstParameter(); | |
1166 | Standard_Real aLast = cw->LastParameter(); | |
1167 | if(cw->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) && (cf < aFirst || cl > aLast)) { | |
1168 | //avoiding problems with segment in Bnd_Box | |
1169 | gac.Load(cw); | |
1170 | } | |
1171 | else | |
1172 | gac.Load(cw,cf,cl); | |
1173 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),aBox); | |
1174 | } | |
1175 | ||
1176 | Standard_Real aXMin, aXMax, aYMin, aYMax; | |
1177 | aBox.Get(aXMin, aYMin, aXMax, aYMax); | |
1178 | if (isFirst) { | |
1179 | isFirst = Standard_False; | |
1180 | uMiddle = (aXMin + aXMax) * 0.5; | |
1181 | vMiddle = (aYMin + aYMax) * 0.5; | |
1182 | } | |
1183 | else { | |
1184 | Standard_Real xShift = 0, yShift = 0; | |
1185 | if ( mySurf->IsUClosed() ) | |
1186 | xShift = ShapeAnalysis::AdjustByPeriod ( 0.5*(aXMin + aXMax), uMiddle, uRange ); | |
1187 | if ( mySurf->IsVClosed() ) | |
1188 | yShift = ShapeAnalysis::AdjustByPeriod ( 0.5*(aYMin + aYMax), vMiddle, vRange ) ; | |
1189 | aBox.Update(aXMin + xShift, aYMin + yShift, aXMax + xShift, aYMax + yShift); | |
1190 | } | |
1191 | aWireBoxes.ChangeValue(i) = aBox; | |
1192 | } | |
7fd59977 | 1193 | |
1194 | for ( i = 1; i <= nb; i ++) { | |
1195 | TopoDS_Shape asw = ws.Value(i); | |
1196 | TopoDS_Wire aw = TopoDS::Wire (asw); | |
1ee621b6 | 1197 | Bnd_Box2d aBox1 = aWireBoxes.Value(i); |
7fd59977 | 1198 | TopoDS_Shape dummy = myFace.EmptyCopied(); |
1199 | TopoDS_Face af = TopoDS::Face ( dummy ); | |
1200 | // B.MakeFace (af,mySurf->Surface(),::Precision::Confusion()); | |
1201 | af.Orientation ( TopAbs_FORWARD ); | |
1202 | B.Add (af,aw); | |
1203 | // PTV OCC945 06.11.2002 files ie_exhaust-A.stp (entities 3782, 3787) | |
1204 | // tolerance is too big. It is seems that to identify placement of 2d point | |
1205 | // it is enough Precision::PConfusion(), cause wea re know that 2d point in TopAbs_ON | |
1206 | // BRepTopAdaptor_FClass2d clas (af,toluv); | |
1207 | Standard_Boolean CheckShift = Standard_True; | |
1208 | BRepTopAdaptor_FClass2d clas (af,::Precision::PConfusion()); | |
1209 | TopAbs_State sta = TopAbs_OUT; | |
1210 | TopAbs_State staout = clas.PerformInfinitePoint(); | |
1211 | TopTools_ListOfShape IntWires; | |
1ee621b6 | 1212 | Standard_Integer aWireIt = 0; |
7fd59977 | 1213 | for ( Standard_Integer j = 1; j <= nbAll; j ++) { |
1ee621b6 | 1214 | aWireIt++; |
7fd59977 | 1215 | //if(i==j) continue; |
1216 | TopoDS_Shape aSh2 = allSubShapes.Value(j); | |
1217 | if(aw == aSh2) | |
1218 | continue; | |
1219 | TopAbs_State stb = TopAbs_UNKNOWN; | |
1220 | if(aSh2.ShapeType() == TopAbs_VERTEX) { | |
1ee621b6 | 1221 | aWireIt--; |
7fd59977 | 1222 | gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aSh2)); |
1223 | gp_Pnt2d p2d = mySurf->ValueOfUV(aP,Precision::Confusion()); | |
1224 | stb = clas.Perform (p2d,Standard_False); | |
1225 | if(stb == staout && (uclosed || vclosed)) { | |
1226 | gp_Pnt2d p2d1; | |
1227 | if(uclosed) { | |
1ee621b6 | 1228 | p2d1.SetCoord(p2d.X()+uRange, p2d.Y()); |
7fd59977 | 1229 | stb = clas.Perform (p2d1,Standard_False); |
1230 | ||
1231 | } | |
1232 | if(stb == staout && vclosed) { | |
1ee621b6 | 1233 | p2d1.SetCoord(p2d.X(), p2d.Y()+ vRange); |
7fd59977 | 1234 | stb = clas.Perform (p2d1,Standard_False); |
1235 | } | |
1236 | } | |
1237 | } | |
1238 | else if (aSh2.ShapeType() == TopAbs_WIRE) { | |
1239 | CheckShift = Standard_True; | |
1240 | TopoDS_Wire bw = TopoDS::Wire (aSh2); | |
1ee621b6 | 1241 | //Standard_Integer numin =0; |
1242 | Bnd_Box2d aBox2 = aWireBoxes.Value(aWireIt); | |
1243 | if (aBox2.IsOut(aBox1)) | |
1244 | continue; | |
1245 | ||
7fd59977 | 1246 | TopoDS_Iterator ew (bw); |
1247 | for(;ew.More(); ew.Next()) { | |
1248 | TopoDS_Edge ed = TopoDS::Edge (ew.Value()); | |
1249 | Standard_Real cf,cl; | |
1250 | Handle(Geom2d_Curve) cw = BRep_Tool::CurveOnSurface (ed,myFace,cf,cl); | |
1251 | if (cw.IsNull()) continue; | |
1252 | gp_Pnt2d unp = cw->Value ((cf+cl)/2.); | |
1253 | TopAbs_State ste = clas.Perform (unp,Standard_False); | |
1254 | if( ste==TopAbs_OUT || ste==TopAbs_IN ) { | |
1255 | if(stb==TopAbs_UNKNOWN) { | |
1256 | stb = ste; | |
1257 | } | |
1258 | else { | |
1259 | if(!(stb==ste)) { | |
1260 | sta = TopAbs_UNKNOWN; | |
1261 | SI.Bind(aw,0); | |
1262 | j=nb; | |
1263 | break; | |
1264 | } | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | Standard_Boolean found = Standard_False; | |
1269 | gp_Pnt2d unp1; | |
1270 | if( stb == staout && CheckShift ) { | |
1271 | CheckShift = Standard_False; | |
1272 | if(uclosed) { | |
1ee621b6 | 1273 | unp1.SetCoord(unp.X()+uRange, unp.Y()); |
7fd59977 | 1274 | found = (staout != clas.Perform (unp1,Standard_False)); |
1275 | if(!found) { | |
1ee621b6 | 1276 | unp1.SetX(unp.X()-uRange); |
7fd59977 | 1277 | found = (staout != clas.Perform (unp1,Standard_False)); |
1278 | } | |
1279 | } | |
1280 | if(vclosed&&!found) { | |
1ee621b6 | 1281 | unp1.SetCoord(unp.X(), unp.Y()+vRange); |
7fd59977 | 1282 | found = (staout != clas.Perform (unp1,Standard_False)); |
1283 | if(!found) { | |
1ee621b6 | 1284 | unp1.SetY(unp.Y()-vRange); |
7fd59977 | 1285 | found = (staout != clas.Perform (unp1,Standard_False)); |
1286 | } | |
1287 | } | |
94f71cad | 1288 | // Additional check of diagonal steps for toroidal surfaces |
1289 | if (!found && uclosed && vclosed) | |
1290 | { | |
1291 | for (Standard_Real dX = -1.0; dX <= 1.0 && !found; dX += 2.0) | |
1292 | for (Standard_Real dY = -1.0; dY <= 1.0 && !found; dY += 2.0) | |
1293 | { | |
1294 | unp1.SetCoord(unp.X() + uRange * dX, unp.Y() + vRange * dY); | |
1295 | found = (staout != clas.Perform(unp1, Standard_False)); | |
1296 | } | |
1297 | } | |
7fd59977 | 1298 | } |
1299 | if(found) { | |
1300 | if(stb==TopAbs_IN) stb = TopAbs_OUT; | |
1301 | else stb = TopAbs_IN; | |
1302 | Shift2dWire(bw,myFace,unp1.XY()-unp.XY(), mySurf); | |
1303 | } | |
1304 | } | |
1305 | } | |
1306 | if(stb==staout) { | |
1307 | sta = TopAbs_IN; | |
1308 | } | |
1309 | else { | |
1310 | IntWires.Append(aSh2); | |
1311 | MapIntWires.Add(aSh2); | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | if (sta == TopAbs_UNKNOWN) { // ERREUR | |
999d2599 | 1316 | SendWarning ( aw, Message_Msg ( "FixAdvFace.FixOrientation.MSG11" ) );// Cannot orient wire |
7fd59977 | 1317 | } |
1318 | else { | |
1319 | MW.Bind(aw,IntWires); | |
1320 | if(sta==TopAbs_OUT) { | |
1321 | NbOuts++; | |
d66f7c0f | 1322 | if(staout==TopAbs_IN ) { |
7fd59977 | 1323 | // wire is OUT but InfinitePoint is IN => need to reverse |
1324 | ShapeExtend_WireData sewd (aw); | |
1325 | sewd.Reverse(myFace); | |
1326 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1327 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1328 | aSeqReversed.Append(i); |
1329 | done = Standard_True; | |
1330 | SI.Bind(ws.Value(i),1); | |
1331 | MapWires.Bind(ws.Value(i),IntWires); | |
1332 | } | |
1333 | else { | |
1334 | SI.Bind(aw,1); | |
1335 | MapWires.Bind(aw,IntWires); | |
1336 | } | |
1337 | } | |
1338 | else { | |
1339 | if(staout==TopAbs_OUT) SI.Bind(aw,2); | |
1340 | else SI.Bind(aw,3); | |
1341 | } | |
1342 | } | |
1343 | ||
1344 | } | |
1345 | ||
1346 | for(i=1; i<=nb; i++) { | |
1347 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); | |
1348 | Standard_Integer tmpi = SI.Find(aw); | |
1349 | if(tmpi>1) { | |
1350 | if(!MapIntWires.Contains(aw)) { | |
1351 | NbOuts++; | |
1352 | const TopTools_ListOfShape& IW = MW.Find(aw); | |
1353 | if(tmpi==3) { | |
1354 | // wire is OUT but InfinitePoint is IN => need to reverse | |
1355 | ShapeExtend_WireData sewd (aw); | |
1356 | sewd.Reverse(myFace); | |
1357 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1358 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1359 | aSeqReversed.Append(i); |
1360 | done = Standard_True; | |
1361 | MapWires.Bind(ws.Value(i),IW); | |
1362 | } | |
1363 | else MapWires.Bind(aw,IW); | |
1364 | } | |
1365 | else { | |
1366 | if(tmpi==2) { | |
1367 | // wire is IN but InfinitePoint is OUT => need to reverse | |
1368 | ShapeExtend_WireData sewd (aw); | |
1369 | sewd.Reverse(myFace); | |
1370 | ws.SetValue (i,sewd.Wire()); | |
999d2599 | 1371 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
7fd59977 | 1372 | aSeqReversed.Append(i); |
1373 | done = Standard_True; | |
1374 | } | |
1375 | } | |
1376 | } | |
1377 | } | |
1378 | ||
1379 | } | |
1380 | ||
1381 | //done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); | |
1382 | if(isAddNaturalBounds && nb == aSeqReversed.Length()) | |
1383 | done = Standard_False; | |
1384 | else | |
1385 | done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); | |
1386 | // Faut-il reconstruire ? si myRebil est mis | |
1387 | if ( done ) { | |
1388 | TopoDS_Shape S = myFace.EmptyCopied(); | |
1389 | S.Orientation ( TopAbs_FORWARD ); | |
1390 | Standard_Integer i = 1; | |
1391 | for ( ; i <= nb; i++ ) | |
1392 | B.Add ( S, ws.Value(i) ); | |
1393 | ||
1394 | if(nb < nbAll) { | |
1395 | for( i =1; i <= nbAll;i++) { | |
1396 | TopoDS_Shape aS2 = allSubShapes.Value(i); | |
1397 | if(aS2.ShapeType() != TopAbs_WIRE || | |
1398 | (aS2.Orientation() != TopAbs_FORWARD && aS2.Orientation() != TopAbs_REVERSED)) | |
1399 | B.Add ( S,aS2); | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); | |
1404 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); | |
1405 | myFace = TopoDS::Face ( S ); | |
1406 | BRepTools::Update(myFace); | |
1407 | Standard_Integer k =1; | |
999d2599 D |
1408 | for( ; k <= aSeqReversed.Length(); k++ ) |
1409 | { | |
0797d9d3 | 1410 | #ifdef OCCT_DEBUG |
04232180 | 1411 | std::cout<<"Wire no "<<aSeqReversed.Value(k)<<" of "<<nb<<" reversed"<<std::endl; // mise au point ! |
7fd59977 | 1412 | #endif |
1413 | } | |
1414 | ||
1415 | } | |
1416 | return done; | |
1417 | } | |
1418 | ||
1419 | ||
1420 | //======================================================================= | |
1421 | //function : CheckWire | |
316ea293 | 1422 | //purpose : auxiliary for FixMissingSeam |
7fd59977 | 1423 | //======================================================================= |
1424 | //:i7 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp: algorithm of fixing missing seam changed | |
1425 | // test whether the wire is opened on period of periodical surface | |
1426 | static Standard_Boolean CheckWire (const TopoDS_Wire &wire, | |
1427 | const TopoDS_Face &face, | |
1428 | const Standard_Real dU, | |
1429 | const Standard_Real dV, | |
1430 | Standard_Integer &isuopen, | |
1431 | Standard_Integer &isvopen, | |
1432 | Standard_Boolean &isDeg) | |
1433 | { | |
1434 | gp_XY vec; | |
1435 | vec.SetX(0); | |
1436 | vec.SetY(0); | |
1437 | ShapeAnalysis_Edge sae; | |
59495dbe | 1438 | |
1439 | isuopen = isvopen = 0; | |
7fd59977 | 1440 | isDeg = Standard_True; |
1441 | for ( TopoDS_Iterator ed(wire); ed.More(); ed.Next() ) { | |
1442 | TopoDS_Edge edge = TopoDS::Edge ( ed.Value() ); | |
1443 | if ( ! BRep_Tool::Degenerated ( edge ) ) isDeg = Standard_False; | |
1444 | Handle(Geom2d_Curve) c2d; | |
1445 | Standard_Real f, l; | |
1446 | if ( ! sae.PCurve ( edge, face, c2d, f, l, Standard_True ) ) | |
1447 | return Standard_False; | |
1448 | vec += c2d->Value(l).XY() - c2d->Value(f).XY(); | |
1449 | } | |
59495dbe | 1450 | |
1451 | Standard_Real aDelta = Abs(vec.X())-dU; | |
1452 | if(Abs(aDelta) < 0.1*dU) | |
1453 | { | |
1454 | if(vec.X() > 0.0) | |
1455 | { | |
1456 | isuopen = 1; | |
1457 | } | |
1458 | else | |
1459 | { | |
1460 | isuopen = -1; | |
1461 | } | |
1462 | } | |
1463 | else | |
1464 | { | |
1465 | isuopen = 0; | |
1466 | } | |
1467 | ||
1468 | aDelta = Abs(vec.Y())-dV; | |
1469 | if(Abs(aDelta) < 0.1*dV) | |
1470 | { | |
1471 | if(vec.Y() > 0.0) | |
1472 | { | |
1473 | isvopen = 1; | |
1474 | } | |
1475 | else | |
1476 | { | |
1477 | isvopen = -1; | |
1478 | } | |
1479 | } | |
1480 | else | |
1481 | { | |
1482 | isvopen = 0; | |
1483 | } | |
1484 | ||
7fd59977 | 1485 | return isuopen || isvopen; |
1486 | } | |
1487 | ||
7fd59977 | 1488 | //======================================================================= |
1489 | //function : FixMissingSeam | |
1490 | //purpose : | |
1491 | //======================================================================= | |
7fd59977 | 1492 | Standard_Boolean ShapeFix_Face::FixMissingSeam() |
1493 | { | |
1494 | Standard_Boolean uclosed = mySurf->IsUClosed(); | |
1495 | Standard_Boolean vclosed = mySurf->IsVClosed(); | |
1496 | ||
1497 | if ( ! uclosed && ! vclosed ) return Standard_False; | |
1498 | ||
1499 | if ( ! Context().IsNull() ) { | |
1500 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
1501 | myFace = TopoDS::Face ( S ); | |
1502 | } | |
1503 | ||
1504 | //%pdn: surface should be made periodic before (see ShapeCustom_Surface)! | |
1505 | if (mySurf->Surface()->IsKind(STANDARD_TYPE (Geom_BSplineSurface))) { | |
1506 | Handle (Geom_BSplineSurface) BSpl = Handle (Geom_BSplineSurface)::DownCast (mySurf->Surface()); | |
1507 | if (!BSpl->IsUPeriodic() && !BSpl->IsVPeriodic()) | |
1508 | return Standard_False; | |
1509 | } | |
1510 | ||
1511 | Standard_Real URange, VRange, SUF, SUL, SVF, SVL; | |
1512 | mySurf->Bounds ( SUF, SUL, SVF, SVL ); | |
1513 | Standard_Real fU1,fU2,fV1,fV2; | |
1514 | BRepTools::UVBounds(myFace,fU1,fU2,fV1,fV2); | |
1515 | ||
1516 | //pdn OCC55 fix to faces without the wires to avoid identical first and last parameters | |
1517 | if ( ::Precision::IsInfinite ( SUF ) || ::Precision::IsInfinite ( SUL ) ) { | |
1518 | if ( ::Precision::IsInfinite ( SUF ) ) SUF = fU1; | |
1519 | if ( ::Precision::IsInfinite ( SUL ) ) SUL = fU2; | |
eafb234b | 1520 | if(Abs(SUL-SUF) < ::Precision::PConfusion()) { |
7fd59977 | 1521 | if ( ::Precision::IsInfinite ( SUF ) ) SUF-=1000.; |
1522 | else SUL+=1000.; | |
eafb234b | 1523 | } |
7fd59977 | 1524 | } |
1525 | if ( ::Precision::IsInfinite ( SVF ) || ::Precision::IsInfinite ( SVL ) ) { | |
1526 | if ( ::Precision::IsInfinite ( SVF ) ) SVF = fV1; | |
1527 | if ( ::Precision::IsInfinite ( SVL ) ) SVL = fV2; | |
eafb234b | 1528 | if(Abs(SVL-SVF) < ::Precision::PConfusion()) { |
7fd59977 | 1529 | if ( ::Precision::IsInfinite ( SVF ) ) SVF-=1000.; |
1530 | else SVL+=1000.; | |
eafb234b | 1531 | } |
7fd59977 | 1532 | } |
1533 | ||
59495dbe | 1534 | URange = Min(Abs (SUL - SUF), Precision::Infinite()); |
1535 | VRange = Min(Abs(SVL - SVF), Precision::Infinite()); | |
7fd59977 | 1536 | // Standard_Real UTol = 0.2 * URange, VTol = 0.2 * VRange; |
1537 | Standard_Integer ismodeu = 0, ismodev = 0; //szv#4:S4163:12Mar99 was Boolean | |
1538 | Standard_Integer isdeg1=0, isdeg2=0; | |
1539 | ||
1540 | TopTools_SequenceOfShape ws; | |
1541 | TopTools_SequenceOfShape aSeqNonManif; | |
1542 | for ( TopoDS_Iterator wi(myFace,Standard_False); wi.More(); wi.Next() ) { | |
1543 | if(wi.Value().ShapeType() != TopAbs_WIRE || | |
1544 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { | |
1545 | aSeqNonManif.Append(wi.Value()); | |
1546 | continue; | |
1547 | } | |
1548 | ws.Append ( wi.Value() ); | |
1549 | } | |
1550 | ||
1551 | TopoDS_Wire w1, w2; | |
1552 | Standard_Integer i; | |
1553 | for ( i=1; i <= ws.Length(); i++ ) { | |
1554 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); | |
1555 | Standard_Integer isuopen, isvopen; | |
1556 | Standard_Boolean isdeg; | |
1557 | if ( ! CheckWire ( wire, myFace, URange, VRange, isuopen, isvopen, isdeg ) ) | |
1558 | continue; | |
1559 | if ( w1.IsNull() ) { w1 = wire; ismodeu = isuopen; ismodev = isvopen; isdeg1 = isdeg ? i : 0; } | |
1560 | else if ( w2.IsNull() ) { | |
1561 | if ( ismodeu == -isuopen && ismodev == -isvopen ) { w2 = wire; isdeg2 = isdeg ? i : 0; } | |
1562 | else if ( ismodeu == isuopen && ismodev == isvopen ) { | |
1563 | w2 = wire; | |
1564 | isdeg2 = isdeg; | |
1565 | //:abv 29.08.01: If wires are contraversal, reverse one of them | |
1566 | // If first one is single degenerated edge, reverse it; else second | |
1567 | if ( isdeg1 ) { | |
1568 | w1.Reverse(); | |
1569 | ismodeu = -ismodeu; | |
1570 | ismodev = -ismodev; | |
1571 | } | |
1572 | else { | |
1573 | w2.Reverse(); | |
0797d9d3 | 1574 | #ifdef OCCT_DEBUG |
04232180 | 1575 | if ( ! isdeg2 ) std::cout << "Warning: ShapeFix_Face::FixMissingSeam(): wire reversed" << std::endl; |
7fd59977 | 1576 | #endif |
1577 | } | |
1578 | } | |
0797d9d3 | 1579 | #ifdef OCCT_DEBUG |
04232180 | 1580 | else std::cout << "Warning: ShapeFix_Face::FixMissingSeam(): incompatible open wires" << std::endl; |
7fd59977 | 1581 | #endif |
1582 | } | |
1583 | // else return Standard_False; // abort | |
1584 | else { | |
0797d9d3 | 1585 | #ifdef OCCT_DEBUG |
04232180 | 1586 | std::cout << "Warning: ShapeFix_Face::FixMissingSeam(): more than two open wires detected!" << std::endl; |
7fd59977 | 1587 | #endif |
1588 | //:abv 30.08.09: if more than one open wires and more than two of them are | |
1589 | // completely degenerated, remove any of them | |
1590 | if ( isdeg || isdeg1 || isdeg2 ) { | |
1591 | ws.Remove ( isdeg ? i : isdeg2 ? isdeg2 : isdeg1 ); | |
1592 | w1.Nullify(); | |
1593 | w2.Nullify(); | |
1594 | i = 0; | |
0797d9d3 | 1595 | #ifdef OCCT_DEBUG |
04232180 | 1596 | std::cout << "Warning: ShapeFix_Face::FixMissingSeam(): open degenerated wire removed" << std::endl; |
7fd59977 | 1597 | #endif |
1598 | continue; | |
1599 | } | |
1600 | } | |
1601 | } | |
1602 | ||
1603 | BRep_Builder B; | |
1604 | if ( w1.IsNull() ) return Standard_False; | |
16c7b642 | 1605 | else if ( w2.IsNull()) { |
1606 | // For spheres and BSpline cone-like surfaces(bug 24055): | |
1607 | // If only one of wires limiting face on surface is open in 2d, | |
1608 | // this may means that degenerated edge should be added, and | |
7fd59977 | 1609 | // then usual procedure applied |
16c7b642 | 1610 | gp_Pnt2d p; |
1611 | gp_Dir2d d; | |
1612 | Standard_Real aRange; | |
1613 | ||
7fd59977 | 1614 | if ( ismodeu && mySurf->Surface()->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ) { |
16c7b642 | 1615 | p.SetCoord ( ( ismodeu < 0 ? 0. : 2.*M_PI ), ismodeu * 0.5 * M_PI ); |
1616 | Standard_Real aXCoord = -ismodeu; | |
1617 | d.SetCoord ( aXCoord, 0.); | |
1618 | aRange = 2.*M_PI; | |
1619 | } | |
1620 | else if ( ismodev && mySurf->Surface()->IsKind(STANDARD_TYPE(Geom_BSplineSurface))) { | |
1621 | Standard_Real uCoord; | |
1622 | if (mySurf->Value(SUF, SVF).Distance(mySurf->Value(SUF, (SVF + SVL) / 2)) < ::Precision::Confusion()) | |
1623 | uCoord = SUF; | |
1624 | else if (mySurf->Value(SUL, SVF).Distance(mySurf->Value(SUL, (SVF + SVL) / 2)) < ::Precision::Confusion()) | |
1625 | uCoord = SUL; | |
1626 | else return Standard_False; | |
1627 | ||
1628 | p.SetCoord ( uCoord, ( ismodev < 0 ? 0. : VRange ) ); | |
1629 | d.SetCoord ( 0., -ismodev); | |
1630 | aRange = VRange; | |
1631 | } | |
1632 | else if ( ismodeu && mySurf->Surface()->IsKind(STANDARD_TYPE(Geom_BSplineSurface))) { | |
1633 | Standard_Real vCoord; | |
1634 | if (mySurf->Value(SUF, SVF).Distance(mySurf->Value((SUF + SUL) / 2, SVF)) < ::Precision::Confusion()) | |
1635 | vCoord = SVF; | |
1636 | else if (mySurf->Value(SUL, SVL).Distance(mySurf->Value((SUF + SUL) / 2, SVL)) < ::Precision::Confusion()) | |
1637 | vCoord = SVL; | |
1638 | else return Standard_False; | |
1639 | ||
1640 | p.SetCoord ( ( ismodeu < 0 ? 0. : URange ), vCoord ); | |
1641 | Standard_Real aXCoord = -ismodeu; | |
1642 | d.SetCoord ( aXCoord, 0.); | |
1643 | aRange = URange; | |
7fd59977 | 1644 | } |
1645 | else return Standard_False; | |
16c7b642 | 1646 | |
1647 | Handle(Geom2d_Line) line = new Geom2d_Line ( p, d ); | |
1648 | TopoDS_Edge edge; | |
1649 | B.MakeEdge ( edge ); | |
1650 | B.Degenerated ( edge, Standard_True ); | |
1651 | B.UpdateEdge ( edge, line, myFace, ::Precision::Confusion() ); | |
1652 | B.Range ( edge, myFace, 0., aRange ); | |
1653 | TopoDS_Vertex V; | |
1654 | B.MakeVertex ( V, mySurf->Value ( p.X(), p.Y() ), ::Precision::Confusion() ); | |
1655 | V.Orientation(TopAbs_FORWARD); | |
1656 | B.Add(edge,V); | |
1657 | V.Orientation(TopAbs_REVERSED); | |
1658 | B.Add(edge,V); | |
1659 | B.MakeWire ( w2 ); | |
1660 | B.Add ( w2, edge ); | |
1661 | ws.Append ( w2 ); | |
7fd59977 | 1662 | } |
1663 | ||
0d3d226e | 1664 | // Check consistency of orientations of the two wires that need to be connected by a seam |
1665 | Standard_Real uf=SUF, vf=SVF; | |
1666 | Standard_Integer coord = ( ismodeu ? 1 : 0 ); | |
1667 | Standard_Integer isneg = ( ismodeu ? ismodeu : -ismodev ); | |
1668 | Standard_Real period = ( ismodeu ? URange : VRange ); | |
1669 | TopoDS_Shape S; | |
1670 | Standard_Real m1[2][2], m2[2][2]; | |
1671 | S = myFace.EmptyCopied(); | |
1672 | B.Add ( S, w1 ); | |
1673 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m1[0][0], m1[0][1], m1[1][0], m1[1][1]); | |
1674 | S = myFace.EmptyCopied(); | |
1675 | B.Add ( S, w2 ); | |
1676 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); | |
1677 | ||
316ea293 | 1678 | // For the case when surface is closed only in one direction it is necessary to check |
0d3d226e | 1679 | // validity of orientation of the open wires in parametric space. |
1680 | // In case of U closed surface wire with minimal V coordinate should be directed in positive direction by U | |
1681 | // In case of V closed surface wire with minimal U coordinate should be directed in negative direction by V | |
1682 | if (!vclosed || !uclosed) | |
1683 | { | |
1684 | Standard_Real deltaOther = 0.5 * (m2[coord][0] + m2[coord][1]) - 0.5 * (m1[coord][0] + m1[coord][1]); | |
1685 | if (deltaOther * isneg < 0) | |
1686 | { | |
1687 | w1.Reverse(); | |
1688 | w2.Reverse(); | |
1689 | } | |
1690 | } | |
1691 | ||
7fd59977 | 1692 | // sort original wires |
1693 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire; | |
1694 | sfw->SetFace ( myFace ); | |
1695 | sfw->SetPrecision ( Precision() ); | |
7fd59977 | 1696 | Handle(ShapeExtend_WireData) wd1 = new ShapeExtend_WireData ( w1 ); |
1697 | Handle(ShapeExtend_WireData) wd2 = new ShapeExtend_WireData ( w2 ); | |
0d3d226e | 1698 | sfw->Load ( wd1 ); |
1699 | sfw->FixReorder(); | |
7fd59977 | 1700 | sfw->Load ( wd2 ); |
1701 | sfw->FixReorder(); | |
0d3d226e | 1702 | TopoDS_Wire w11 = wd1->Wire(); |
1703 | TopoDS_Wire w21 = wd2->Wire(); | |
1704 | ||
7fd59977 | 1705 | //:abv 29.08.01: reconstruct face taking into account reversing |
1706 | TopoDS_Shape dummy = myFace.EmptyCopied(); | |
1707 | TopoDS_Face tmpF = TopoDS::Face ( dummy ); | |
1708 | tmpF.Orientation ( TopAbs_FORWARD ); | |
1709 | for ( i=1; i <= ws.Length(); i++ ) { | |
1710 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); | |
0d3d226e | 1711 | if ( wire.IsSame ( w1 ) ) wire = w11; |
1712 | else if ( wire.IsSame ( w2 ) ) wire = w21; | |
1713 | else | |
1714 | { | |
1715 | // other wires (not boundary) are considered as holes; make sure to have them oriented accordingly | |
1716 | TopoDS_Shape curface = tmpF.EmptyCopied(); | |
1717 | B.Add(curface,wire); | |
1718 | curface.Orientation ( myFace.Orientation() ); | |
1719 | if( ShapeAnalysis::IsOuterBound(TopoDS::Face(curface))) | |
1720 | wire.Reverse(); | |
1721 | } | |
7fd59977 | 1722 | B.Add ( tmpF, wire ); |
1723 | } | |
0d3d226e | 1724 | |
7fd59977 | 1725 | tmpF.Orientation ( myFace.Orientation() ); |
0d3d226e | 1726 | |
7fd59977 | 1727 | // A special kind of FixShifted is necessary for torus-like |
1728 | // surfaces to adjust wires by period ALONG the missing SEAM direction | |
1729 | // tr9_r0501-ug.stp #187640 | |
1730 | if ( uclosed && vclosed ) { | |
7fd59977 | 1731 | Standard_Real shiftw2 = |
1732 | ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), | |
1733 | 0.5 * ( m1[coord][0] + m1[coord][1] + | |
1734 | isneg * ( period + ::Precision::PConfusion() ) ), | |
1735 | period ); | |
1736 | m1[coord][0] = Min ( m1[coord][0], m2[coord][0] + shiftw2 ); | |
1737 | m1[coord][1] = Max ( m1[coord][1], m2[coord][1] + shiftw2 ); | |
1738 | for ( TopoDS_Iterator it(tmpF,Standard_False); it.More(); it.Next() ) { | |
1739 | if(it.Value().ShapeType() != TopAbs_WIRE) | |
1740 | continue; | |
1741 | TopoDS_Wire w = TopoDS::Wire ( it.Value() ); | |
0d3d226e | 1742 | if ( w == w11 ) continue; |
7fd59977 | 1743 | Standard_Real shift; |
0d3d226e | 1744 | if ( w == w21 ) shift = shiftw2; |
1745 | ||
7fd59977 | 1746 | else { |
1747 | S = tmpF.EmptyCopied(); | |
1748 | B.Add ( S, w ); | |
1749 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); | |
1750 | shift = ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), | |
1751 | 0.5 * ( m1[coord][0] + m1[coord][1] ), period ); | |
1752 | } | |
1753 | if ( shift != 0. ) { | |
1754 | gp_Vec2d V(0.,0.); | |
1755 | V.SetCoord ( coord+1, shift ); | |
1756 | ShapeAnalysis_Edge sae; | |
1757 | for ( TopoDS_Iterator iw(w); iw.More(); iw.Next() ) { | |
1758 | TopoDS_Edge E = TopoDS::Edge ( iw.Value() ); | |
1759 | Handle(Geom2d_Curve) C; | |
1760 | Standard_Real a, b; | |
1761 | if ( ! sae.PCurve ( E, tmpF, C, a, b ) ) continue; | |
1762 | C->Translate ( V ); | |
1763 | } | |
1764 | } | |
1765 | } | |
1766 | // abv 05 Feb 02: OCC34 | |
1767 | // by the way, select proper split place by V to avoid extra intersections | |
1768 | if ( m1[coord][1] - m1[coord][0] <= period ) { | |
1769 | Standard_Real other = 0.5 * ( m1[coord][0] + m1[coord][1] - period ); | |
1770 | if ( ismodeu ) vf = other; | |
1771 | else uf = other; | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | // find the best place by u and v to insert a seam | |
1776 | // (so as to minimize splitting edges as possible) | |
1777 | ShapeAnalysis_Edge sae; | |
1778 | Standard_Integer foundU=0, foundV=0; | |
1779 | Standard_Integer nb1 = wd1->NbEdges(); | |
1780 | Standard_Integer nb2 = wd2->NbEdges(); | |
1781 | for ( Standard_Integer i1 = 1; i1 <= nb1 + nb2; i1++ ) { | |
1782 | TopoDS_Edge edge1 = ( i1 <= nb1 ? wd1->Edge ( i1 ) : wd2->Edge ( i1-nb1 ) ); | |
1783 | Handle(Geom2d_Curve) c2d; | |
1784 | Standard_Real f, l; | |
1785 | if ( ! sae.PCurve ( edge1, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; | |
1786 | gp_Pnt2d pos1 = c2d->Value(l).XY(); | |
1787 | // the best place is end of edge which is nearest to 0 | |
1788 | Standard_Boolean skipU = ! uclosed; | |
1789 | if ( uclosed && ismodeu ) { | |
1790 | pos1.SetX ( pos1.X() + ShapeAnalysis::AdjustByPeriod ( pos1.X(), SUF, URange ) ); | |
1791 | if ( foundU ==2 && Abs ( pos1.X() ) > Abs(uf) ) skipU = Standard_True; | |
1792 | else if ( ! foundU || ( foundU ==1 && Abs ( pos1.X() ) < Abs(uf) ) ) { | |
1793 | foundU = 1; | |
1794 | uf = pos1.X(); | |
1795 | } | |
1796 | } | |
1797 | Standard_Boolean skipV = ! vclosed; | |
1798 | if ( vclosed && ! ismodeu ) { | |
16c7b642 | 1799 | pos1.SetY ( pos1.Y() + ShapeAnalysis::AdjustByPeriod ( pos1.Y(), SVF, VRange ) ); |
7fd59977 | 1800 | if ( foundV ==2 && Abs ( pos1.Y() ) > Abs(vf) ) skipV = Standard_True; |
1801 | else if ( ! foundV || ( foundV ==1 && Abs ( pos1.Y() ) < Abs(vf) ) ) { | |
1802 | foundV = 1; | |
1803 | vf = pos1.Y(); | |
1804 | } | |
1805 | } | |
eafb234b | 1806 | if ( skipU && skipV ) { |
7fd59977 | 1807 | if ( i1 <= nb1 ) continue; |
1808 | else break; | |
eafb234b | 1809 | } |
7fd59977 | 1810 | // or yet better - if it is end of some edges on both wires |
1811 | for ( Standard_Integer i2 = 1; i1 <= nb1 && i2 <= nb2; i2++ ) { | |
1812 | TopoDS_Edge edge2 = wd2->Edge ( i2 ); | |
1813 | if ( ! sae.PCurve ( edge2, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; | |
1814 | gp_Pnt2d pos2 = c2d->Value(f).XY(); | |
1815 | if ( uclosed && ismodeu ) { | |
1816 | pos2.SetX ( pos2.X() + ShapeAnalysis::AdjustByPeriod ( pos2.X(), pos1.X(), URange ) ); | |
1817 | if ( Abs ( pos2.X() - pos1.X() ) < ::Precision::PConfusion() && | |
1818 | ( foundU != 2 || Abs ( pos1.X() ) < Abs ( uf ) ) ) { | |
1819 | foundU = 2; | |
1820 | uf = pos1.X(); | |
1821 | } | |
1822 | } | |
1823 | if ( vclosed && ! ismodeu ) { | |
1824 | pos2.SetY ( pos2.Y() + ShapeAnalysis::AdjustByPeriod ( pos2.Y(), pos1.Y(), VRange ) ); | |
1825 | if ( Abs ( pos2.Y() - pos1.Y() ) < ::Precision::PConfusion() && | |
1826 | ( foundV != 2 || Abs ( pos1.Y() ) < Abs ( vf ) ) ) { | |
1827 | foundV = 2; | |
1828 | vf = pos1.Y(); | |
1829 | } | |
1830 | } | |
1831 | } | |
1832 | } | |
1833 | ||
1834 | //pdn fixing RTS on offsets | |
1835 | if ( uf < SUF || uf > SUL ) | |
1836 | uf+=ShapeAnalysis::AdjustToPeriod(uf,SUF,SUF+URange); | |
1837 | if ( vf < SVF || vf > SVL ) | |
1838 | vf+=ShapeAnalysis::AdjustToPeriod(vf,SVF,SVF+VRange); | |
1839 | ||
1840 | // Create fictive grid and call ComposeShell to insert a seam | |
1841 | Handle(Geom_RectangularTrimmedSurface) RTS = | |
1842 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), uf, uf+URange, vf, vf+VRange ); | |
1843 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); | |
1844 | grid->SetValue ( 1, 1, RTS ); //mySurf->Surface() ); | |
1845 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); | |
1846 | TopLoc_Location L; | |
1847 | ||
1848 | //addition non-manifold topology | |
1849 | Standard_Integer j=1; | |
1850 | for( ; j <= aSeqNonManif.Length(); j++) | |
1851 | B.Add(tmpF,aSeqNonManif.Value(j)); | |
1852 | ||
1853 | ShapeFix_ComposeShell CompShell; | |
1854 | // TopoDS_Face tmpF = myFace; | |
1855 | // tmpF.Orientation(TopAbs_FORWARD); | |
1856 | CompShell.Init ( G, L, tmpF, ::Precision::Confusion() );//myPrecision | |
1857 | if ( Context().IsNull() ) SetContext ( new ShapeBuild_ReShape ); | |
1858 | CompShell.ClosedMode() = Standard_True; | |
1859 | CompShell.SetContext( Context() ); | |
1860 | CompShell.SetMaxTolerance(MaxTolerance()); | |
1861 | CompShell.Perform(); | |
1862 | ||
1863 | // abv 03.07.00: CAX-IF TRJ4: trj4_k1_goe-tu-214.stp: #785: reset mySurf | |
1864 | mySurf = new ShapeAnalysis_Surface ( RTS ); | |
1865 | ||
1866 | myResult = CompShell.Result(); | |
6a9f983a | 1867 | |
7fd59977 | 1868 | Context()->Replace ( myFace, myResult ); |
6a9f983a | 1869 | |
1870 | // Remove small wires and / or faces that can be generated by ComposeShell | |
1871 | // (see tests bugs step bug30052_4, de step_3 E6) | |
1872 | Standard_Integer nbFaces = 0; | |
1873 | TopExp_Explorer expF ( myResult, TopAbs_FACE ); | |
1874 | for (; expF.More(); expF.Next() ) | |
1875 | { | |
1876 | TopoDS_Face aFace = TopoDS::Face(expF.Value()); | |
1877 | TopExp_Explorer aExpW(aFace, TopAbs_WIRE); | |
1878 | Standard_Integer nbWires = 0; | |
1879 | for( ;aExpW.More(); aExpW.Next() ) | |
1880 | { | |
1881 | ShapeFix_Wire aSfw(TopoDS::Wire(aExpW.Value()), aFace, Precision()); | |
1882 | aSfw.SetContext(Context()); | |
1883 | if(aSfw.NbEdges()) | |
1884 | aSfw.FixSmall (Standard_True, Precision()); | |
1885 | if(!aSfw.NbEdges()) | |
1886 | { | |
1887 | Context()->Remove(aExpW.Value()); | |
1888 | continue; | |
1889 | } | |
1890 | nbWires++; | |
1891 | } | |
1892 | if(!nbWires) | |
1893 | { | |
1894 | Context()->Remove(aFace); | |
1895 | continue; | |
1896 | } | |
1897 | nbFaces++; | |
1898 | } | |
1899 | ||
1900 | myResult = Context()->Apply(myResult); | |
7fd59977 | 1901 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { |
6a9f983a | 1902 | myFace = TopoDS::Face ( Context()->Apply(exp.Current() )); |
1903 | if( myFace.IsNull()) | |
1904 | continue; | |
1905 | if(nbFaces > 1) | |
1906 | { | |
1907 | FixSmallAreaWire(Standard_True); | |
1908 | TopoDS_Shape aShape = Context()->Apply(myFace); | |
1909 | if(aShape.IsNull() ) | |
1910 | continue; | |
1911 | myFace = TopoDS::Face(aShape); | |
1912 | } | |
7fd59977 | 1913 | BRepTools::Update(myFace); //:p4 |
1914 | } | |
6a9f983a | 1915 | myResult = Context()->Apply(myResult); |
1916 | ||
999d2599 | 1917 | SendWarning ( Message_Msg ( "FixAdvFace.FixMissingSeam.MSG0" ) );// Missing seam-edge added |
7fd59977 | 1918 | return Standard_True; |
1919 | } | |
1920 | ||
1921 | //======================================================================= | |
1922 | //function : FixSmallAreaWire | |
1923 | //purpose : | |
1924 | //======================================================================= | |
7fd59977 | 1925 | //%14 pdn 24.02.99 PRO10109, USA60293 fix wire on face with small area. |
56a9db93 | 1926 | Standard_Boolean ShapeFix_Face::FixSmallAreaWire(const Standard_Boolean theIsRemoveSmallFace) |
7fd59977 | 1927 | { |
56a9db93 | 1928 | if ( !Context().IsNull() ) |
1929 | { | |
1930 | TopoDS_Shape aShape = Context()->Apply(myFace); | |
1931 | myFace = TopoDS::Face(aShape); | |
7fd59977 | 1932 | } |
56a9db93 | 1933 | |
1934 | BRep_Builder aBuilder; | |
7fd59977 | 1935 | Standard_Integer nbRemoved = 0, nbWires = 0; |
56a9db93 | 1936 | |
1937 | TopoDS_Shape anEmptyCopy = myFace.EmptyCopied(); | |
1938 | TopoDS_Face aFace = TopoDS::Face(anEmptyCopy); | |
3f50e94e | 1939 | aFace.Orientation (TopAbs_FORWARD); |
56a9db93 | 1940 | |
56a9db93 | 1941 | const Standard_Real aTolerance3d = ShapeFix_Root::Precision(); |
1942 | for (TopoDS_Iterator aWIt(myFace, Standard_False); aWIt.More(); aWIt.Next()) | |
1943 | { | |
1944 | const TopoDS_Shape& aShape = aWIt.Value(); | |
1945 | if ( aShape.ShapeType() != TopAbs_WIRE && | |
1946 | aShape.Orientation() != TopAbs_FORWARD && | |
1947 | aShape.Orientation() != TopAbs_REVERSED ) | |
999d2599 | 1948 | { |
56a9db93 | 1949 | continue; |
1950 | } | |
1951 | ||
1952 | const TopoDS_Wire& aWire = TopoDS::Wire(aShape); | |
56a9db93 | 1953 | Handle(ShapeAnalysis_Wire) anAnalyzer = new ShapeAnalysis_Wire(aWire, myFace, aTolerance3d); |
8b1e055f | 1954 | if ( anAnalyzer->CheckSmallArea(aWire) ) |
56a9db93 | 1955 | { |
1956 | // Null area wire detected, wire skipped | |
1957 | SendWarning(aWire, Message_Msg("FixAdvFace.FixSmallAreaWire.MSG0")); | |
1958 | ++nbRemoved; | |
999d2599 D |
1959 | } |
1960 | else | |
1961 | { | |
56a9db93 | 1962 | aBuilder.Add(aFace, aWire); |
1963 | ++nbWires; | |
7fd59977 | 1964 | } |
1965 | } | |
56a9db93 | 1966 | |
1967 | if ( nbRemoved <= 0 ) | |
1968 | return Standard_False; | |
1969 | ||
1970 | if ( nbWires <= 0 ) | |
1971 | { | |
0797d9d3 | 1972 | #ifdef OCCT_DEBUG |
04232180 | 1973 | std::cout << "Warning: ShapeFix_Face: All wires on a face have small area; left untouched" << std::endl; |
7fd59977 | 1974 | #endif |
56a9db93 | 1975 | if ( theIsRemoveSmallFace && !Context().IsNull() ) |
1976 | Context()->Remove(myFace); | |
1977 | ||
7fd59977 | 1978 | return Standard_False; |
1979 | } | |
0797d9d3 | 1980 | #ifdef OCCT_DEBUG |
04232180 | 1981 | std::cout << "Warning: ShapeFix_Face: " << nbRemoved << " small area wire(s) removed" << std::endl; |
7fd59977 | 1982 | #endif |
3f50e94e | 1983 | aFace.Orientation (myFace.Orientation ()); |
1984 | if (!Context ().IsNull ()) | |
1985 | Context ()->Replace (myFace, aFace); | |
56a9db93 | 1986 | |
1987 | myFace = aFace; | |
7fd59977 | 1988 | return Standard_True; |
1989 | } | |
1990 | //======================================================================= | |
1991 | //function : FixLoopWire | |
1992 | //purpose : | |
1993 | //======================================================================= | |
1994 | static void FindNext(const TopoDS_Shape& aVert, | |
1995 | const TopoDS_Shape& ainitEdge, | |
1996 | TopTools_IndexedMapOfShape& aMapVertices, | |
1997 | TopTools_DataMapOfShapeListOfShape& aMapVertexEdges, | |
1998 | const TopTools_MapOfShape& aMapSmallEdges, | |
1999 | const TopTools_MapOfShape& aMapSeemEdges, | |
2000 | TopTools_MapOfShape& aMapEdges, | |
2001 | Handle(ShapeExtend_WireData)& aWireData) | |
2002 | { | |
2003 | TopoDS_Iterator aItV(ainitEdge); | |
2004 | TopoDS_Shape anextVert = aVert; | |
2005 | Standard_Boolean isFind = Standard_False; | |
2006 | for( ; aItV.More() && !isFind; aItV.Next()) | |
2007 | { | |
2008 | if(!aItV.Value().IsSame(aVert) ) { | |
2009 | isFind = Standard_True; | |
2010 | anextVert = aItV.Value(); | |
2011 | ||
2012 | } | |
2013 | } | |
2014 | ||
2015 | if(!isFind && !aMapSmallEdges.Contains(ainitEdge)) | |
2016 | return; | |
2017 | if(isFind && aMapVertices.Contains(anextVert)) | |
2018 | return; | |
2019 | ||
2020 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(anextVert); | |
2021 | TopTools_ListIteratorOfListOfShape liter(aledges); | |
2022 | isFind = Standard_False; | |
2023 | TopoDS_Shape anextEdge; | |
2024 | for( ; liter.More() && !isFind; liter.Next()) | |
2025 | { | |
2026 | if(!aMapEdges.Contains(liter.Value()) && !liter.Value().IsSame(ainitEdge)) { | |
2027 | anextEdge = liter.Value(); | |
2028 | aWireData->Add(anextEdge); | |
2029 | if(aMapSeemEdges.Contains(anextEdge)) | |
2030 | aWireData->Add(anextEdge.Reversed()); | |
2031 | isFind = Standard_True; | |
2032 | aMapEdges.Add(anextEdge); | |
2033 | FindNext(anextVert,anextEdge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); | |
2034 | } | |
2035 | } | |
2036 | return; | |
2037 | } | |
2038 | ||
2039 | static Standard_Boolean isClosed2D(const TopoDS_Face& aFace,const TopoDS_Wire& aWire) | |
2040 | { | |
2041 | Standard_Boolean isClosed = Standard_True; | |
2042 | Handle(ShapeAnalysis_Wire) asaw = new ShapeAnalysis_Wire(aWire,aFace,Precision::Confusion()); | |
2043 | for (Standard_Integer i = 1; i <= asaw->NbEdges() && isClosed; i++) { | |
2044 | TopoDS_Edge edge1 = asaw->WireData()->Edge(i); | |
2045 | //checking that wire is closed in 2D space with tolerance of vertex. | |
2046 | ShapeAnalysis_Edge sae; | |
2047 | TopoDS_Vertex v1 = sae.FirstVertex(edge1); | |
2048 | asaw->SetPrecision(BRep_Tool::Tolerance(v1)); | |
2049 | asaw->CheckGap2d(i); | |
2050 | isClosed = (asaw->LastCheckStatus(ShapeExtend_OK)); | |
2051 | ||
2052 | } | |
2053 | return isClosed; | |
2054 | } | |
2055 | ||
2056 | //======================================================================= | |
2057 | //function : FixLoopWire | |
2058 | //purpose : | |
2059 | //======================================================================= | |
2060 | ||
2061 | Standard_Boolean ShapeFix_Face::FixLoopWire(TopTools_SequenceOfShape& aResWires) | |
2062 | { | |
2063 | TopTools_IndexedMapOfShape aMapVertices; | |
2064 | TopTools_DataMapOfShapeListOfShape aMapVertexEdges; | |
2065 | TopTools_MapOfShape aMapSmallEdges; | |
2066 | TopTools_MapOfShape aMapSeemEdges; | |
2067 | if(!FixWireTool()->Analyzer()->CheckLoop(aMapVertices, aMapVertexEdges,aMapSmallEdges,aMapSeemEdges)) | |
2068 | return Standard_False; | |
2069 | ||
2070 | ||
2071 | TopTools_MapOfShape aMapEdges; | |
2072 | TopTools_SequenceOfShape aSeqWires; | |
2073 | ||
2074 | //collecting wires from common vertex belonging more than 2 edges | |
2075 | Standard_Integer i =1; | |
2076 | for( ; i <= aMapVertices.Extent(); i++) { | |
2077 | TopoDS_Shape aVert = aMapVertices.FindKey(i); | |
2078 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(aVert); | |
2079 | TopTools_ListIteratorOfListOfShape liter(aledges); | |
2080 | for( ; liter.More(); liter.Next()) | |
2081 | { | |
2082 | TopoDS_Edge Edge = TopoDS::Edge(liter.Value()); | |
2083 | if(aMapEdges.Contains(Edge)) | |
2084 | continue; | |
2085 | ||
2086 | Handle(ShapeExtend_WireData) aWireData = new ShapeExtend_WireData; | |
2087 | aWireData->Add(Edge); | |
2088 | if(aMapSeemEdges.Contains(Edge)) | |
2089 | aWireData->Add(Edge.Reversed()); | |
2090 | aMapEdges.Add(Edge); | |
2091 | FindNext(aVert,Edge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); | |
2092 | if(aWireData->NbEdges() ==1 && aMapSmallEdges.Contains(aWireData->Edge(1))) | |
2093 | continue; | |
2094 | TopoDS_Vertex aV1,aV2; | |
2095 | TopoDS_Wire aWire = aWireData->Wire(); | |
2096 | TopExp::Vertices(aWire,aV1,aV2); | |
2097 | ||
2098 | if(aV1.IsSame(aV2)) { | |
2099 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
2100 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
2101 | asfw->Load(asewd); | |
2102 | asfw->FixReorder(); | |
2103 | TopoDS_Wire awire2 = asfw->Wire(); | |
2104 | aResWires.Append(awire2); | |
2105 | ||
2106 | } | |
2107 | else aSeqWires.Append(aWireData->Wire()); | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | ||
2112 | if(aSeqWires.Length() ==1) { | |
2113 | aResWires.Append(aSeqWires.Value(1)); | |
2114 | } | |
2115 | else { | |
2116 | //collecting whole wire from two not closed wires having two common vertices. | |
2117 | for( i =1; i <= aSeqWires.Length(); i++) { | |
2118 | TopoDS_Vertex aV1,aV2; | |
2119 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); | |
2120 | TopExp::Vertices(aWire,aV1,aV2); | |
2121 | Standard_Integer j = i+1; | |
2122 | for( ; j <= aSeqWires.Length(); j++) | |
2123 | { | |
2124 | TopoDS_Vertex aV21,aV22; | |
2125 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); | |
2126 | TopExp::Vertices(aWire2,aV21,aV22); | |
2127 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) && (aV2.IsSame(aV21) || aV2.IsSame(aV22))) | |
2128 | { | |
2129 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
2130 | asewd->Add(aWire2); | |
2131 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
2132 | asfw->Load(asewd); | |
2133 | asfw->FixReorder(); | |
2134 | aResWires.Append(asfw->Wire()); | |
2135 | aSeqWires.Remove(j--); | |
2136 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
2137 | break; | |
2138 | } | |
2139 | ||
2140 | } | |
2141 | if(j <= aSeqWires.Length()) | |
2142 | aSeqWires.Remove(i--); | |
2143 | ||
2144 | } | |
2145 | if(aSeqWires.Length()<3) { | |
2146 | for( i =1; i <= aSeqWires.Length(); i++) | |
2147 | aResWires.Append(aSeqWires.Value(i)); | |
2148 | ||
2149 | } | |
2150 | else { | |
2151 | //collecting wires having one common vertex | |
2152 | for( i =1; i <= aSeqWires.Length(); i++) { | |
2153 | TopoDS_Vertex aV1,aV2; | |
2154 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); | |
2155 | TopExp::Vertices(aWire,aV1,aV2); | |
2156 | Standard_Integer j =i+1; | |
2157 | for( ; j <= aSeqWires.Length(); j++) | |
2158 | { | |
2159 | TopoDS_Vertex aV21,aV22; | |
2160 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); | |
2161 | TopExp::Vertices(aWire2,aV21,aV22); | |
2162 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) || (aV2.IsSame(aV21) || aV2.IsSame(aV22))) | |
2163 | { | |
2164 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); | |
2165 | asewd->Add(aWire2); | |
2166 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; | |
2167 | asfw->Load(asewd); | |
2168 | asfw->FixReorder(); | |
2169 | aWire = asfw->Wire(); | |
2170 | TopExp::Vertices(aWire,aV1,aV2); | |
2171 | aSeqWires.Remove(j--); | |
2172 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); | |
2173 | } | |
2174 | } | |
2175 | aResWires.Append(aWire); | |
2176 | ||
2177 | } | |
2178 | } | |
2179 | } | |
2180 | Standard_Boolean isClosed = Standard_True; | |
2181 | ||
2182 | //checking that obtained wires is closed in 2D space | |
2183 | if (mySurf->Adaptor3d()->GetType() != GeomAbs_Plane) { | |
2184 | ||
2185 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); | |
2186 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
2187 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
2188 | ||
2189 | for(i =1; i <= aResWires.Length() && isClosed; i++) { | |
2190 | TopoDS_Wire awire = TopoDS::Wire(aResWires.Value(i)); | |
2191 | isClosed = isClosed2D(tmpFace,awire); | |
2192 | } | |
2193 | } | |
2194 | ||
2195 | Standard_Boolean isDone =(aResWires.Length() && isClosed); | |
999d2599 D |
2196 | if(isDone && aResWires.Length() >1) |
2197 | { | |
0797d9d3 | 2198 | #ifdef OCCT_DEBUG |
316ea293 | 2199 | std::cout<<"Wire was split on "<<aResWires.Length()<<" wires"<< std::endl; |
7fd59977 | 2200 | #endif |
2201 | } | |
2202 | ||
2203 | return isDone; | |
2204 | } | |
2205 | ||
7fd59977 | 2206 | //======================================================================= |
2207 | //function : SplitEdge | |
2208 | //purpose : | |
2209 | //======================================================================= | |
2210 | ||
2211 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, | |
2212 | const Standard_Integer num, | |
2213 | const Standard_Real param, | |
2214 | const TopoDS_Vertex& vert, | |
2215 | const Standard_Real preci, | |
2216 | ShapeFix_DataMapOfShapeBox2d& boxes) | |
2217 | { | |
2218 | TopoDS_Edge edge = sewd->Edge(num); | |
2219 | TopoDS_Edge newE1, newE2; | |
2220 | ShapeFix_SplitTool aTool; | |
2221 | if(aTool.SplitEdge(edge,param,vert,myFace,newE1,newE2,preci,0.01*preci)) { | |
2222 | // change context | |
2223 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; | |
2224 | wd->Add(newE1); | |
2225 | wd->Add(newE2); | |
2226 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); | |
2227 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { | |
2228 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); | |
2229 | BRepTools::Update(E); | |
2230 | } | |
2231 | ||
2232 | // for ( Standard_Integer i=1; i <= sewd->NbEdges(); i++ ) { | |
2233 | // TopoDS_Edge E = sewd->Edge(i); | |
2234 | // TopoDS_Shape S = Context()->Apply ( E ); | |
2235 | // if ( S == E ) continue; | |
2236 | // for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() ) | |
2237 | // sewd->Add ( exp.Current(), i++ ); | |
2238 | // sewd->Remove ( i-- ); | |
2239 | // } | |
2240 | ||
2241 | // change sewd and boxes | |
2242 | sewd->Set(newE1,num); | |
2243 | if(num==sewd->NbEdges()) | |
2244 | sewd->Add(newE2); | |
2245 | else | |
2246 | sewd->Add(newE2,num+1); | |
2247 | ||
2248 | boxes.UnBind(edge); | |
2249 | TopLoc_Location L; | |
2250 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); | |
2251 | Handle(Geom2d_Curve) c2d; | |
2252 | Standard_Real cf,cl; | |
2253 | ShapeAnalysis_Edge sae; | |
2254 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { | |
2255 | Bnd_Box2d box; | |
2256 | Geom2dAdaptor_Curve gac; | |
2257 | Standard_Real aFirst = c2d->FirstParameter(); | |
2258 | Standard_Real aLast = c2d->LastParameter(); | |
2259 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2260 | && (cf < aFirst || cl > aLast)) { | |
2261 | //pdn avoiding problems with segment in Bnd_Box | |
2262 | gac.Load(c2d); | |
2263 | } | |
2264 | else | |
2265 | gac.Load(c2d,cf,cl); | |
2266 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2267 | boxes.Bind(newE1,box); | |
2268 | } | |
2269 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { | |
2270 | Bnd_Box2d box; | |
2271 | Geom2dAdaptor_Curve gac; | |
2272 | Standard_Real aFirst = c2d->FirstParameter(); | |
2273 | Standard_Real aLast = c2d->LastParameter(); | |
2274 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2275 | && (cf < aFirst || cl > aLast)) { | |
2276 | //pdn avoiding problems with segment in Bnd_Box | |
2277 | gac.Load(c2d); | |
2278 | } | |
2279 | else | |
2280 | gac.Load(c2d,cf,cl); | |
2281 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2282 | boxes.Bind(newE2,box); | |
2283 | } | |
2284 | return Standard_True; | |
2285 | } | |
2286 | return Standard_False; | |
2287 | } | |
2288 | ||
2289 | ||
2290 | //======================================================================= | |
2291 | //function : SplitEdge | |
2292 | //purpose : | |
2293 | //======================================================================= | |
2294 | ||
2295 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, | |
2296 | const Standard_Integer num, | |
2297 | const Standard_Real param1, | |
2298 | const Standard_Real param2, | |
2299 | const TopoDS_Vertex& vert, | |
2300 | const Standard_Real preci, | |
2301 | ShapeFix_DataMapOfShapeBox2d& boxes) | |
2302 | { | |
2303 | TopoDS_Edge edge = sewd->Edge(num); | |
2304 | TopoDS_Edge newE1, newE2; | |
2305 | ShapeFix_SplitTool aTool; | |
2306 | if(aTool.SplitEdge(edge,param1,param2,vert,myFace,newE1,newE2,preci,0.01*preci)) { | |
2307 | // change context | |
2308 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; | |
2309 | wd->Add(newE1); | |
2310 | wd->Add(newE2); | |
2311 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); | |
2312 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { | |
2313 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); | |
2314 | BRepTools::Update(E); | |
2315 | } | |
2316 | ||
2317 | // change sewd and boxes | |
2318 | sewd->Set(newE1,num); | |
2319 | if(num==sewd->NbEdges()) | |
2320 | sewd->Add(newE2); | |
2321 | else | |
2322 | sewd->Add(newE2,num+1); | |
2323 | ||
2324 | boxes.UnBind(edge); | |
2325 | TopLoc_Location L; | |
2326 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); | |
2327 | Handle(Geom2d_Curve) c2d; | |
2328 | Standard_Real cf,cl; | |
2329 | ShapeAnalysis_Edge sae; | |
2330 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { | |
2331 | Bnd_Box2d box; | |
2332 | Geom2dAdaptor_Curve gac; | |
2333 | Standard_Real aFirst = c2d->FirstParameter(); | |
2334 | Standard_Real aLast = c2d->LastParameter(); | |
2335 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2336 | && (cf < aFirst || cl > aLast)) { | |
2337 | //pdn avoiding problems with segment in Bnd_Box | |
2338 | gac.Load(c2d); | |
2339 | } | |
2340 | else | |
2341 | gac.Load(c2d,cf,cl); | |
2342 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2343 | boxes.Bind(newE1,box); | |
2344 | } | |
2345 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { | |
2346 | Bnd_Box2d box; | |
2347 | Geom2dAdaptor_Curve gac; | |
2348 | Standard_Real aFirst = c2d->FirstParameter(); | |
2349 | Standard_Real aLast = c2d->LastParameter(); | |
2350 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) | |
2351 | && (cf < aFirst || cl > aLast)) { | |
2352 | //pdn avoiding problems with segment in Bnd_Box | |
2353 | gac.Load(c2d); | |
2354 | } | |
2355 | else | |
2356 | gac.Load(c2d,cf,cl); | |
2357 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); | |
2358 | boxes.Bind(newE2,box); | |
2359 | } | |
2360 | return Standard_True; | |
2361 | } | |
2362 | return Standard_False; | |
2363 | } | |
2364 | ||
2365 | ||
2366 | //======================================================================= | |
2367 | //function : FixIntersectingWires | |
2368 | //purpose : | |
2369 | //======================================================================= | |
2370 | ||
2371 | Standard_Boolean ShapeFix_Face::FixIntersectingWires() | |
2372 | { | |
2373 | ShapeFix_IntersectionTool ITool(Context(),Precision(),MaxTolerance()); | |
2374 | return ITool.FixIntersectingWires(myFace); | |
2375 | } | |
2376 | ||
2377 | ||
2378 | //======================================================================= | |
2379 | //function : FixWiresTwoCoincEdges | |
2380 | //purpose : | |
2381 | //======================================================================= | |
2382 | ||
2383 | Standard_Boolean ShapeFix_Face::FixWiresTwoCoincEdges() | |
2384 | { | |
2385 | if ( ! Context().IsNull() ) { | |
2386 | TopoDS_Shape S = Context()->Apply ( myFace ); | |
2387 | myFace = TopoDS::Face ( S ); | |
2388 | } | |
2389 | ||
2390 | TopAbs_Orientation ori = myFace.Orientation(); | |
2391 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); | |
2392 | TopoDS_Face face = TopoDS::Face (emptyCopied); | |
2393 | face.Orientation(TopAbs_FORWARD); | |
2394 | Standard_Integer nbWires = 0; | |
2395 | BRep_Builder B; | |
2396 | ||
2397 | for (TopoDS_Iterator it (myFace, Standard_False); it.More(); it.Next()) { | |
2398 | if(it.Value().ShapeType() != TopAbs_WIRE || | |
2399 | (it.Value().Orientation() != TopAbs_FORWARD && it.Value().Orientation() != TopAbs_REVERSED)) { | |
2400 | continue; | |
2401 | } | |
2402 | nbWires++; | |
2403 | } | |
2404 | if(nbWires<2) return Standard_False; | |
2405 | Standard_Boolean isFixed = Standard_False; | |
2406 | for (TopoDS_Iterator wi (myFace, Standard_False); wi.More(); wi.Next()) { | |
2407 | if(wi.Value().ShapeType() != TopAbs_WIRE || | |
2408 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { | |
2409 | B.Add(face,wi.Value()); | |
2410 | continue; | |
2411 | } | |
2412 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); | |
2413 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
2414 | if(sewd->NbEdges()==2) { | |
2415 | TopoDS_Edge E1 = sewd->Edge(1); | |
2416 | TopoDS_Edge E2 = sewd->Edge(2); | |
2417 | E1.Orientation(TopAbs_FORWARD); | |
2418 | E2.Orientation(TopAbs_FORWARD); | |
2419 | if( !(E1==E2) ) { | |
2420 | B.Add(face,wire); | |
2421 | } | |
2422 | else isFixed = Standard_True; | |
2423 | } | |
2424 | else { | |
2425 | B.Add(face,wire); | |
2426 | } | |
2427 | } | |
2428 | if(isFixed) { | |
2429 | face.Orientation(ori); | |
2430 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, face ); | |
2431 | myFace = face; | |
2432 | } | |
2433 | ||
2434 | return isFixed; | |
2435 | } | |
2436 | ||
2437 | ||
2438 | //======================================================================= | |
2439 | //function : FixSplitFace | |
2440 | //purpose : | |
2441 | //======================================================================= | |
2442 | ||
2443 | Standard_Boolean ShapeFix_Face::FixSplitFace(const TopTools_DataMapOfShapeListOfShape &MapWires) | |
2444 | { | |
2445 | BRep_Builder B; | |
2446 | TopTools_SequenceOfShape faces; | |
2447 | TopoDS_Shape S = myFace; | |
2448 | if ( ! Context().IsNull() ) | |
2449 | S = Context()->Apply ( myFace ); | |
0f180c0c | 2450 | Standard_Integer NbWires=0, NbWiresNew=0, NbEdges; |
7fd59977 | 2451 | for(TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
0f180c0c | 2452 | const TopoDS_Shape& aShape = iter.Value(); |
2453 | if(aShape.ShapeType() != TopAbs_WIRE || | |
2454 | (aShape.Orientation() != TopAbs_FORWARD && aShape.Orientation() != TopAbs_REVERSED)) | |
7fd59977 | 2455 | continue; |
0f180c0c | 2456 | TopoDS_Wire wire = TopoDS::Wire ( aShape ); |
7fd59977 | 2457 | NbWires++; |
2458 | if(MapWires.IsBound(wire)) { | |
2459 | // if wire not closed --> stop split and return false | |
2460 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); | |
0f180c0c | 2461 | NbEdges = sewd->NbEdges(); |
2462 | if (NbEdges == 0) { | |
2463 | continue; | |
2464 | } | |
2465 | // | |
7fd59977 | 2466 | TopoDS_Edge E1 = sewd->Edge(1); |
0f180c0c | 2467 | TopoDS_Edge E2 = sewd->Edge(NbEdges); |
7fd59977 | 2468 | TopoDS_Vertex V1,V2; |
2469 | ShapeAnalysis_Edge sae; | |
2470 | V1=sae.FirstVertex(E1); | |
2471 | V2=sae.LastVertex(E2); | |
2472 | if(!V1.IsSame(V2)) { | |
0797d9d3 | 2473 | #ifdef OCCT_DEBUG |
04232180 | 2474 | std::cout<<"wire not closed --> stop split"<<std::endl; |
aefdc31b | 2475 | #endif |
7fd59977 | 2476 | return Standard_False; |
2477 | } | |
2478 | // create face | |
2479 | TopoDS_Shape emptyCopied = S.EmptyCopied(); | |
2480 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); | |
2481 | tmpFace.Orientation ( TopAbs_FORWARD ); | |
2482 | B.Add(tmpFace,wire); | |
2483 | NbWiresNew++; | |
2484 | const TopTools_ListOfShape& IntWires = MapWires.Find(wire); | |
2485 | TopTools_ListIteratorOfListOfShape liter(IntWires); | |
2486 | for( ; liter.More(); liter.Next()) { | |
51740958 | 2487 | TopoDS_Shape aShapeEmptyCopied = tmpFace.EmptyCopied(); |
2488 | TopoDS_Face aFace = TopoDS::Face ( aShapeEmptyCopied); | |
77193183 | 2489 | aFace.Orientation ( TopAbs_FORWARD ); |
2490 | B.Add (aFace,liter.Value()); | |
2491 | BRepTopAdaptor_FClass2d clas (aFace,::Precision::PConfusion()); | |
2492 | TopAbs_State staout = clas.PerformInfinitePoint(); | |
2493 | if (staout == TopAbs_IN) | |
2494 | B.Add(tmpFace,liter.Value()); | |
2495 | else | |
2496 | B.Add(tmpFace,liter.Value().Reversed()); | |
7fd59977 | 2497 | NbWiresNew++; |
2498 | } | |
2499 | if(!myFwd) tmpFace.Orientation(TopAbs_REVERSED); | |
2500 | faces.Append(tmpFace); | |
2501 | } | |
2502 | } | |
2503 | ||
2504 | if(NbWires!=NbWiresNew) return Standard_False; | |
2505 | ||
2506 | if(faces.Length()>1) { | |
2507 | TopoDS_Compound Comp; | |
2508 | B.MakeCompound(Comp); | |
2509 | for(Standard_Integer i=1; i<=faces.Length(); i++ ) | |
2510 | B.Add(Comp,faces(i)); | |
2511 | myResult = Comp; | |
320a3220 | 2512 | |
2513 | if(!Context().IsNull()) | |
2514 | { | |
2515 | Context()->Replace ( myFace, myResult ); | |
2516 | } | |
2517 | ||
7fd59977 | 2518 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { |
2519 | myFace = TopoDS::Face ( exp.Current() ); | |
2520 | BRepTools::Update(myFace); | |
2521 | } | |
2522 | return Standard_True; | |
2523 | } | |
2524 | ||
2525 | return Standard_False; | |
2526 | } | |
84dc990a S |
2527 | |
2528 | //======================================================================= | |
2529 | //function : IsPeriodicConicalLoop | |
2530 | //purpose : Checks whether the passed wire makes up a periodic loop on | |
2531 | // passed conical surface | |
2532 | //======================================================================= | |
2533 | ||
2534 | static Standard_Boolean IsPeriodicConicalLoop(const Handle(Geom_ConicalSurface)& theSurf, | |
2535 | const TopoDS_Wire& theWire, | |
2536 | const Standard_Real theTolerance, | |
2537 | Standard_Real& theMinU, | |
2538 | Standard_Real& theMaxU, | |
2539 | Standard_Real& theMinV, | |
2540 | Standard_Real& theMaxV, | |
2541 | Standard_Boolean& isUDecrease) | |
2542 | { | |
2543 | if ( theSurf.IsNull() ) | |
fdbc4fe7 | 2544 | return Standard_False; |
84dc990a S |
2545 | |
2546 | ShapeAnalysis_Edge aSAE; | |
2547 | TopLoc_Location aLoc; | |
2548 | ||
2549 | Standard_Real aCumulDeltaU = 0.0, aCumulDeltaUAbs = 0.0; | |
2550 | Standard_Real aMinU = RealLast(); | |
2551 | Standard_Real aMinV = aMinU; | |
2552 | Standard_Real aMaxU = -aMinU; | |
2553 | Standard_Real aMaxV = aMaxU; | |
2554 | ||
2555 | // Iterate over the edges to check whether the wire is periodic on conical surface | |
46aed280 | 2556 | TopoDS_Iterator aWireIter(theWire, Standard_False); |
2557 | for ( ; aWireIter.More(); aWireIter.Next() ) | |
84dc990a | 2558 | { |
46aed280 | 2559 | const TopoDS_Edge& aCurrentEdge = TopoDS::Edge(aWireIter.Value()); |
84dc990a S |
2560 | Handle(Geom2d_Curve) aC2d; |
2561 | Standard_Real aPFirst, aPLast; | |
2562 | ||
2563 | aSAE.PCurve(aCurrentEdge, theSurf, aLoc, aC2d, aPFirst, aPLast, Standard_True); | |
2564 | ||
2565 | if ( aC2d.IsNull() ) | |
2566 | return Standard_False; | |
2567 | ||
2568 | gp_Pnt2d aUVFirst = aC2d->Value(aPFirst), | |
2569 | aUVLast = aC2d->Value(aPLast); | |
2570 | ||
2571 | Standard_Real aUFirst = aUVFirst.X(), aULast = aUVLast.X(); | |
2572 | Standard_Real aVFirst = aUVFirst.Y(), aVLast = aUVLast.Y(); | |
2573 | ||
2574 | Standard_Real aCurMaxU = Max(aUFirst, aULast), | |
2575 | aCurMinU = Min(aUFirst, aULast); | |
2576 | Standard_Real aCurMaxV = Max(aVFirst, aVLast), | |
2577 | aCurMinV = Min(aVFirst, aVLast); | |
2578 | ||
2579 | if ( aCurMinU < aMinU ) | |
2580 | aMinU = aCurMinU; | |
2581 | if ( aCurMaxU > aMaxU ) | |
2582 | aMaxU = aCurMaxU; | |
2583 | if ( aCurMinV < aMinV ) | |
2584 | aMinV = aCurMinV; | |
2585 | if ( aCurMaxV > aMaxV ) | |
2586 | aMaxV = aCurMaxV; | |
2587 | ||
2588 | Standard_Real aDeltaU = aULast - aUFirst; | |
2589 | ||
2590 | aCumulDeltaU += aDeltaU; | |
2591 | aCumulDeltaUAbs += Abs(aDeltaU); | |
2592 | } | |
2593 | ||
2594 | theMinU = aMinU; | |
2595 | theMaxU = aMaxU; | |
2596 | theMinV = aMinV; | |
2597 | theMaxV = aMaxV; | |
2598 | isUDecrease = (aCumulDeltaU < 0 ? Standard_True : Standard_False); | |
2599 | ||
2600 | Standard_Boolean is2PIDelta = Abs(aCumulDeltaUAbs - 2*M_PI) <= theTolerance; | |
2601 | Standard_Boolean isAroundApex = Abs(theMaxU - theMinU) > 2*M_PI - theTolerance; | |
2602 | ||
2603 | return is2PIDelta && isAroundApex; | |
2604 | } | |
2605 | ||
2606 | //======================================================================= | |
2607 | //function : FixPeriodicDegenerated | |
2608 | //purpose : | |
2609 | //======================================================================= | |
2610 | ||
2611 | Standard_Boolean ShapeFix_Face::FixPeriodicDegenerated() | |
2612 | { | |
2613 | /* ===================== | |
2614 | * Prepare fix routine | |
2615 | * ===================== */ | |
2616 | ||
2617 | if ( !Context().IsNull() ) | |
2618 | { | |
2619 | TopoDS_Shape aSh = Context()->Apply(myFace); | |
2620 | myFace = TopoDS::Face(aSh); | |
2621 | } | |
2622 | ||
2623 | /* ================================================ | |
2624 | * Check if fix can be applied on the passed face | |
2625 | * ================================================ */ | |
2626 | ||
2627 | // Collect all wires owned by the face | |
2628 | TopTools_SequenceOfShape aWireSeq; | |
2629 | for ( TopoDS_Iterator aWireIt(myFace, Standard_False); aWireIt.More(); aWireIt.Next() ) | |
2630 | { | |
2631 | const TopoDS_Shape& aSubSh = aWireIt.Value(); | |
2632 | if ( aSubSh.ShapeType() != TopAbs_WIRE || ( aSubSh.Orientation() != TopAbs_FORWARD && | |
2633 | aSubSh.Orientation() != TopAbs_REVERSED ) ) | |
2634 | continue; | |
2635 | ||
2636 | aWireSeq.Append( aWireIt.Value() ); | |
2637 | } | |
2638 | ||
2639 | // Get number of wires and surface | |
2640 | Standard_Integer aNbWires = aWireSeq.Length(); | |
2641 | Handle(Geom_Surface) aSurface = BRep_Tool::Surface(myFace); | |
2642 | ||
2643 | // Only single wires on conical surfaces are checked | |
2644 | if ( aNbWires != 1 || aSurface.IsNull() || | |
2645 | aSurface->DynamicType() != STANDARD_TYPE(Geom_ConicalSurface) ) | |
2646 | return Standard_False; | |
2647 | ||
2648 | // Get the single wire | |
2649 | TopoDS_Wire aSoleWire = TopoDS::Wire( aWireSeq.Value(1) ); | |
2650 | ||
2651 | // Check whether this wire is belting the conical surface by period | |
2652 | Handle(Geom_ConicalSurface) aConeSurf = Handle(Geom_ConicalSurface)::DownCast(aSurface); | |
2653 | Standard_Real aMinLoopU = 0.0, aMaxLoopU = 0.0, aMinLoopV = 0.0, aMaxLoopV = 0.0; | |
2654 | Standard_Boolean isUDecrease = Standard_False; | |
2655 | ||
2656 | Standard_Boolean isConicLoop = IsPeriodicConicalLoop(aConeSurf, aSoleWire, Precision(), | |
2657 | aMinLoopU, aMaxLoopU, | |
2658 | aMinLoopV, aMaxLoopV, | |
2659 | isUDecrease); | |
2660 | ||
2661 | if ( !isConicLoop ) | |
2662 | return Standard_False; | |
2663 | ||
2664 | /* =============== | |
2665 | * Retrieve apex | |
2666 | * =============== */ | |
2667 | ||
2668 | // Get base circle of the conical surface (the circle it was built from) | |
2669 | Handle(Geom_Curve) aConeBaseCrv = aConeSurf->VIso(0.0); | |
2670 | Handle(Geom_Circle) aConeBaseCirc = Handle(Geom_Circle)::DownCast(aConeBaseCrv); | |
2671 | ||
2672 | // Retrieve conical props | |
2673 | Standard_Real aConeBaseR = aConeBaseCirc->Radius(); | |
2674 | Standard_Real aSemiAngle = aConeSurf->SemiAngle(); | |
2675 | ||
2676 | if ( fabs(aSemiAngle) <= Precision::Confusion() ) | |
2677 | return Standard_False; // Bad surface | |
2678 | ||
2679 | // Find the V parameter of the apex | |
2680 | Standard_Real aConeBaseH = aConeBaseR / Sin(aSemiAngle); | |
2681 | Standard_Real anApexV = -aConeBaseH; | |
2682 | ||
2683 | // Get apex vertex | |
2684 | TopoDS_Vertex anApex = BRepBuilderAPI_MakeVertex( aConeSurf->Apex() ); | |
2685 | ||
2686 | // ==================================== | |
2687 | // Build degenerated edge in the apex | |
2688 | // ==================================== | |
2689 | ||
2690 | TopoDS_Edge anApexEdge; | |
2691 | BRep_Builder aBuilder; | |
2692 | aBuilder.MakeEdge(anApexEdge); | |
2693 | ||
2694 | // Check if positional relationship between the initial wire and apex | |
2695 | // line in 2D is going to be consistent | |
2696 | if ( fabs(anApexV - aMinLoopV) <= Precision() || | |
2697 | fabs(anApexV - aMaxLoopV) <= Precision() || | |
2698 | ( anApexV < aMaxLoopV && anApexV > aMinLoopV ) ) | |
2699 | return Standard_False; | |
2700 | ||
2701 | Handle(Geom2d_Line) anApexCurve2d; | |
2702 | ||
2703 | // Apex curve below the wire | |
2704 | if ( anApexV < aMinLoopV ) | |
2705 | { | |
2706 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMinLoopU, anApexV), gp_Dir2d(1, 0) ); | |
2707 | if ( !isUDecrease ) | |
2708 | aSoleWire.Reverse(); | |
2709 | } | |
2710 | ||
2711 | // Apex curve above the wire | |
2712 | if ( anApexV > aMaxLoopV ) | |
2713 | { | |
2714 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMaxLoopU, anApexV), gp_Dir2d(-1, 0) ); | |
2715 | if ( isUDecrease ) | |
2716 | aSoleWire.Reverse(); | |
2717 | } | |
2718 | ||
2719 | // Create degenerated edge & wire for apex | |
2720 | aBuilder.UpdateEdge( anApexEdge, anApexCurve2d, myFace, Precision() ); | |
2721 | aBuilder.Add( anApexEdge, anApex ); | |
2722 | aBuilder.Add( anApexEdge, anApex.Reversed() ); | |
2723 | aBuilder.Degenerated(anApexEdge, Standard_True); | |
2724 | aBuilder.Range( anApexEdge, 0, fabs(aMaxLoopU - aMinLoopU) ); | |
2725 | TopoDS_Wire anApexWire = BRepBuilderAPI_MakeWire(anApexEdge); | |
2726 | ||
2727 | // =============================================================== | |
2728 | // Finalize the fix building new face and setting up the results | |
2729 | // =============================================================== | |
2730 | ||
2731 | // Collect the resulting set of wires | |
2732 | TopTools_SequenceOfShape aNewWireSeq; | |
2733 | aNewWireSeq.Append(aSoleWire); | |
2734 | aNewWireSeq.Append(anApexWire); | |
2735 | ||
2736 | // Assemble new face | |
2737 | TopoDS_Face aNewFace = TopoDS::Face( myFace.EmptyCopied() ); | |
2738 | aNewFace.Orientation(TopAbs_FORWARD); | |
2739 | BRep_Builder aFaceBuilder; | |
2740 | for ( Standard_Integer i = 1; i <= aNewWireSeq.Length(); i++ ) | |
2741 | { | |
2742 | TopoDS_Wire aNewWire = TopoDS::Wire( aNewWireSeq.Value(i) ); | |
2743 | aFaceBuilder.Add(aNewFace, aNewWire); | |
2744 | } | |
2745 | aNewFace.Orientation( myFace.Orientation() ); | |
2746 | ||
2747 | // Adjust the resulting state of the healing tool | |
2748 | myResult = aNewFace; | |
2749 | Context()->Replace(myFace, myResult); | |
2750 | ||
2751 | return Standard_True; | |
2752 | } |