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1 | // Created on: 2012-06-09 |
2 | // Created by: jgv@ROLEX |
3 | // Copyright (c) 2012-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <BRep_Builder.hxx> |
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18 | #include <BRep_Tool.hxx> |
19 | #include <BRepLib.hxx> |
20 | #include <BRepLib_MakeEdge.hxx> |
21 | #include <BRepTopAdaptor_TopolTool.hxx> |
22 | #include <GC_MakeCircle.hxx> |
23 | #include <Geom2d_Line.hxx> |
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24 | #include <Geom2d_TrimmedCurve.hxx> |
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25 | #include <Geom2dConvert.hxx> |
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26 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
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27 | #include <Geom_BezierCurve.hxx> |
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28 | #include <Geom_BSplineCurve.hxx> |
29 | #include <Geom_Circle.hxx> |
30 | #include <Geom_CylindricalSurface.hxx> |
31 | #include <Geom_ElementarySurface.hxx> |
32 | #include <Geom_Line.hxx> |
33 | #include <Geom_OffsetSurface.hxx> |
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34 | #include <Geom_Plane.hxx> |
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35 | #include <Geom_RectangularTrimmedSurface.hxx> |
36 | #include <Geom_Surface.hxx> |
37 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
38 | #include <Geom_SurfaceOfRevolution.hxx> |
39 | #include <Geom_SweptSurface.hxx> |
40 | #include <Geom_TrimmedCurve.hxx> |
41 | #include <GeomAdaptor_HSurface.hxx> |
42 | #include <GeomConvert.hxx> |
43 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
44 | #include <GeomLib_IsPlanarSurface.hxx> |
45 | #include <gp_Cylinder.hxx> |
46 | #include <gp_Dir.hxx> |
47 | #include <gp_Lin.hxx> |
48 | #include <IntPatch_ImpImpIntersection.hxx> |
49 | #include <ShapeAnalysis_Edge.hxx> |
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50 | #include <ShapeAnalysis_WireOrder.hxx> |
51 | #include <ShapeBuild_Edge.hxx> |
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52 | #include <ShapeBuild_ReShape.hxx> |
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53 | #include <ShapeFix_Edge.hxx> |
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54 | #include <ShapeFix_Face.hxx> |
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55 | #include <ShapeFix_Shell.hxx> |
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56 | #include <ShapeFix_Wire.hxx> |
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57 | #include <ShapeUpgrade_UnifySameDomain.hxx> |
58 | #include <Standard_Type.hxx> |
59 | #include <TColGeom2d_Array1OfBSplineCurve.hxx> |
60 | #include <TColGeom2d_HArray1OfBSplineCurve.hxx> |
61 | #include <TColGeom2d_SequenceOfBoundedCurve.hxx> |
62 | #include <TColGeom_Array1OfBSplineCurve.hxx> |
63 | #include <TColGeom_HArray1OfBSplineCurve.hxx> |
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64 | #include <TColGeom_SequenceOfSurface.hxx> |
65 | #include <TColStd_Array1OfReal.hxx> |
66 | #include <TColStd_MapOfInteger.hxx> |
67 | #include <TopExp.hxx> |
68 | #include <TopExp_Explorer.hxx> |
69 | #include <TopoDS.hxx> |
70 | #include <TopoDS_Edge.hxx> |
71 | #include <TopoDS_Face.hxx> |
72 | #include <TopoDS_Shape.hxx> |
73 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
74 | #include <TopTools_IndexedMapOfShape.hxx> |
75 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
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76 | #include <TopTools_MapOfShape.hxx> |
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77 | #include <TopTools_SequenceOfShape.hxx> |
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78 | #include <gp_Circ.hxx> |
79 | #include <BRepAdaptor_Curve.hxx> |
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80 | #include <BRepAdaptor_Curve2d.hxx> |
81 | #include <gp_Vec2d.hxx> |
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82 | |
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83 | IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_UnifySameDomain,Standard_Transient) |
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84 | |
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85 | struct SubSequenceOfEdges |
86 | { |
87 | TopTools_SequenceOfShape SeqsEdges; |
88 | TopoDS_Edge UnionEdges; |
89 | }; |
90 | |
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91 | static Standard_Boolean IsLikeSeam(const TopoDS_Edge& anEdge, |
92 | const TopoDS_Face& aFace, |
93 | const Handle(Geom_Surface)& aBaseSurface) |
94 | { |
95 | if (!aBaseSurface->IsUPeriodic() && !aBaseSurface->IsVPeriodic()) |
96 | return Standard_False; |
97 | |
98 | BRepAdaptor_Curve2d BAcurve2d(anEdge, aFace); |
99 | gp_Pnt2d FirstPoint, LastPoint; |
100 | gp_Vec2d FirstDir, LastDir; |
101 | BAcurve2d.D1(BAcurve2d.FirstParameter(), FirstPoint, FirstDir); |
102 | BAcurve2d.D1(BAcurve2d.LastParameter(), LastPoint, LastDir); |
103 | Standard_Real Length = FirstDir.Magnitude(); |
104 | if (Length <= gp::Resolution()) |
105 | return Standard_False; |
106 | else |
107 | FirstDir /= Length; |
108 | Length = LastDir.Magnitude(); |
109 | if (Length <= gp::Resolution()) |
110 | return Standard_False; |
111 | else |
112 | LastDir /= Length; |
113 | |
114 | Standard_Real Tol = 1.e-7; |
115 | if (aBaseSurface->IsUPeriodic() && |
116 | (Abs(FirstDir.X()) < Tol) && |
117 | (Abs(LastDir.X()) < Tol)) |
118 | return Standard_True; |
119 | |
120 | if (aBaseSurface->IsVPeriodic() && |
121 | (Abs(FirstDir.Y()) < Tol) && |
122 | (Abs(LastDir.Y()) < Tol)) |
123 | return Standard_True; |
124 | |
125 | return Standard_False; |
126 | } |
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127 | |
128 | //======================================================================= |
129 | //function : AddOrdinaryEdges |
130 | //purpose : auxilary |
131 | //======================================================================= |
132 | // adds edges from the shape to the sequence |
133 | // seams and equal edges are dropped |
134 | // Returns true if one of original edges dropped |
135 | static Standard_Boolean AddOrdinaryEdges(TopTools_SequenceOfShape& edges, |
136 | const TopoDS_Shape aShape, |
137 | Standard_Integer& anIndex) |
138 | { |
139 | //map of edges |
140 | TopTools_IndexedMapOfShape aNewEdges; |
141 | //add edges without seams |
142 | for(TopExp_Explorer exp(aShape,TopAbs_EDGE); exp.More(); exp.Next()) { |
143 | TopoDS_Shape edge = exp.Current(); |
144 | if(aNewEdges.Contains(edge)) |
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145 | aNewEdges.RemoveKey(edge); |
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146 | else |
147 | aNewEdges.Add(edge); |
148 | } |
149 | |
150 | Standard_Boolean isDropped = Standard_False; |
151 | //merge edges and drop seams |
152 | Standard_Integer i; |
153 | for (i = 1; i <= edges.Length(); i++) { |
154 | TopoDS_Shape current = edges(i); |
155 | if(aNewEdges.Contains(current)) { |
156 | |
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157 | aNewEdges.RemoveKey(current); |
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158 | edges.Remove(i); |
159 | i--; |
160 | |
161 | if(!isDropped) { |
162 | isDropped = Standard_True; |
163 | anIndex = i; |
164 | } |
165 | } |
166 | } |
167 | |
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168 | //add edges to the sequence |
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169 | for (i = 1; i <= aNewEdges.Extent(); i++) |
170 | edges.Append(aNewEdges(i)); |
171 | |
172 | return isDropped; |
173 | } |
174 | |
175 | //======================================================================= |
176 | //function : getCylinder |
177 | //purpose : auxilary |
178 | //======================================================================= |
179 | static Standard_Boolean getCylinder(Handle(Geom_Surface)& theInSurface, |
180 | gp_Cylinder& theOutCylinder) |
181 | { |
182 | Standard_Boolean isCylinder = Standard_False; |
183 | |
184 | if (theInSurface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) { |
185 | Handle(Geom_CylindricalSurface) aGC = Handle(Geom_CylindricalSurface)::DownCast(theInSurface); |
186 | |
187 | theOutCylinder = aGC->Cylinder(); |
188 | isCylinder = Standard_True; |
189 | } |
190 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
191 | Handle(Geom_SurfaceOfRevolution) aRS = |
192 | Handle(Geom_SurfaceOfRevolution)::DownCast(theInSurface); |
193 | Handle(Geom_Curve) aBasis = aRS->BasisCurve(); |
194 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Line))) { |
195 | Handle(Geom_Line) aBasisLine = Handle(Geom_Line)::DownCast(aBasis); |
196 | gp_Dir aDir = aRS->Direction(); |
197 | gp_Dir aBasisDir = aBasisLine->Position().Direction(); |
198 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
199 | // basis line is parallel to the revolution axis: it is a cylinder |
200 | gp_Pnt aLoc = aRS->Location(); |
201 | Standard_Real aR = aBasisLine->Lin().Distance(aLoc); |
202 | gp_Ax3 aCylAx (aLoc, aDir); |
203 | |
204 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
205 | isCylinder = Standard_True; |
206 | } |
207 | } |
208 | } |
209 | else if (theInSurface->IsKind(STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion))) { |
210 | Handle(Geom_SurfaceOfLinearExtrusion) aLES = |
211 | Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(theInSurface); |
212 | Handle(Geom_Curve) aBasis = aLES->BasisCurve(); |
213 | if (aBasis->IsKind(STANDARD_TYPE(Geom_Circle))) { |
214 | Handle(Geom_Circle) aBasisCircle = Handle(Geom_Circle)::DownCast(aBasis); |
215 | gp_Dir aDir = aLES->Direction(); |
216 | gp_Dir aBasisDir = aBasisCircle->Position().Direction(); |
217 | if (aBasisDir.IsParallel(aDir, Precision::Angular())) { |
218 | // basis circle is normal to the extrusion axis: it is a cylinder |
219 | gp_Pnt aLoc = aBasisCircle->Location(); |
220 | Standard_Real aR = aBasisCircle->Radius(); |
221 | gp_Ax3 aCylAx (aLoc, aDir); |
222 | |
223 | theOutCylinder = gp_Cylinder(aCylAx, aR); |
224 | isCylinder = Standard_True; |
225 | } |
226 | } |
227 | } |
228 | else { |
229 | } |
230 | |
231 | return isCylinder; |
232 | } |
233 | |
234 | //======================================================================= |
235 | //function : ClearRts |
236 | //purpose : auxilary |
237 | //======================================================================= |
238 | static Handle(Geom_Surface) ClearRts(const Handle(Geom_Surface)& aSurface) |
239 | { |
240 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
241 | Handle(Geom_RectangularTrimmedSurface) rts = |
242 | Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface); |
243 | return rts->BasisSurface(); |
244 | } |
245 | return aSurface; |
246 | } |
247 | |
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248 | //======================================================================= |
249 | //function : GetNormalToSurface |
250 | //purpose : Gets the normal to surface by the given parameter on edge. |
251 | // Returns True if normal was computed. |
252 | //======================================================================= |
253 | static Standard_Boolean GetNormalToSurface(const TopoDS_Face& theFace, |
254 | const TopoDS_Edge& theEdge, |
255 | const Standard_Real theP, |
256 | gp_Dir& theNormal) |
257 | { |
258 | Standard_Real f, l; |
259 | // get 2d curve to get point in 2d |
260 | const Handle(Geom2d_Curve)& aC2d = BRep_Tool::CurveOnSurface(theEdge, theFace, f, l); |
261 | if (aC2d.IsNull()) { |
262 | return Standard_False; |
263 | } |
264 | // |
265 | // 2d point |
266 | gp_Pnt2d aP2d; |
267 | aC2d->D0(theP, aP2d); |
268 | // |
269 | // get D1 |
270 | gp_Vec aDU, aDV; |
271 | gp_Pnt aP3d; |
272 | TopLoc_Location aLoc; |
273 | const Handle(Geom_Surface)& aS = BRep_Tool::Surface(theFace, aLoc); |
274 | aS->D1(aP2d.X(), aP2d.Y(), aP3d, aDU, aDV); |
275 | // |
276 | // compute normal |
277 | gp_Vec aVNormal = aDU.Crossed(aDV); |
278 | if (aVNormal.Magnitude() < Precision::Confusion()) { |
279 | return Standard_False; |
280 | } |
281 | // |
282 | if (theFace.Orientation() == TopAbs_REVERSED) { |
283 | aVNormal.Reverse(); |
284 | } |
285 | // |
286 | aVNormal.Transform(aLoc.Transformation()); |
287 | theNormal = gp_Dir(aVNormal); |
288 | return Standard_True; |
289 | } |
290 | |
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291 | //======================================================================= |
292 | //function : IsSameDomain |
293 | //purpose : |
294 | //======================================================================= |
295 | static Standard_Boolean IsSameDomain(const TopoDS_Face& aFace, |
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296 | const TopoDS_Face& aCheckedFace, |
297 | const Standard_Real theLinTol, |
298 | const Standard_Real theAngTol) |
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299 | { |
300 | //checking the same handles |
301 | TopLoc_Location L1, L2; |
302 | Handle(Geom_Surface) S1, S2; |
303 | |
304 | S1 = BRep_Tool::Surface(aFace,L1); |
305 | S2 = BRep_Tool::Surface(aCheckedFace,L2); |
306 | |
307 | if (S1 == S2 && L1 == L2) |
308 | return Standard_True; |
309 | |
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310 | S1 = BRep_Tool::Surface(aFace); |
311 | S2 = BRep_Tool::Surface(aCheckedFace); |
312 | |
313 | S1 = ClearRts(S1); |
314 | S2 = ClearRts(S2); |
315 | |
316 | //Handle(Geom_OffsetSurface) aGOFS1, aGOFS2; |
317 | //aGOFS1 = Handle(Geom_OffsetSurface)::DownCast(S1); |
318 | //aGOFS2 = Handle(Geom_OffsetSurface)::DownCast(S2); |
319 | //if (!aGOFS1.IsNull()) S1 = aGOFS1->BasisSurface(); |
320 | //if (!aGOFS2.IsNull()) S2 = aGOFS2->BasisSurface(); |
321 | |
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322 | // case of two planar surfaces: |
323 | // all kinds of surfaces checked, including b-spline and bezier |
324 | GeomLib_IsPlanarSurface aPlanarityChecker1(S1, theLinTol); |
325 | if (aPlanarityChecker1.IsPlanar()) { |
326 | GeomLib_IsPlanarSurface aPlanarityChecker2(S2, theLinTol); |
327 | if (aPlanarityChecker2.IsPlanar()) { |
328 | gp_Pln aPln1 = aPlanarityChecker1.Plan(); |
329 | gp_Pln aPln2 = aPlanarityChecker2.Plan(); |
330 | |
331 | if (aPln1.Position().Direction().IsParallel(aPln2.Position().Direction(), theAngTol) && |
332 | aPln1.Distance(aPln2) < theLinTol) { |
333 | return Standard_True; |
334 | } |
335 | } |
336 | } |
337 | |
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338 | // case of two elementary surfaces: use OCCT tool |
339 | // elementary surfaces: ConicalSurface, CylindricalSurface, |
340 | // Plane, SphericalSurface and ToroidalSurface |
341 | if (S1->IsKind(STANDARD_TYPE(Geom_ElementarySurface)) && |
342 | S2->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
343 | { |
344 | Handle(GeomAdaptor_HSurface) aGA1 = new GeomAdaptor_HSurface(S1); |
345 | Handle(GeomAdaptor_HSurface) aGA2 = new GeomAdaptor_HSurface(S2); |
346 | |
347 | Handle(BRepTopAdaptor_TopolTool) aTT1 = new BRepTopAdaptor_TopolTool(); |
348 | Handle(BRepTopAdaptor_TopolTool) aTT2 = new BRepTopAdaptor_TopolTool(); |
349 | |
350 | try { |
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351 | IntPatch_ImpImpIntersection anIIInt(aGA1, aTT1, aGA2, aTT2, theLinTol, theLinTol); |
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352 | if (!anIIInt.IsDone() || anIIInt.IsEmpty()) |
353 | return Standard_False; |
354 | |
355 | return anIIInt.TangentFaces(); |
356 | } |
357 | catch (Standard_Failure) { |
358 | return Standard_False; |
359 | } |
360 | } |
361 | |
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362 | // case of two cylindrical surfaces, at least one of which is a swept surface |
363 | // swept surfaces: SurfaceOfLinearExtrusion, SurfaceOfRevolution |
364 | if ((S1->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
365 | S1->IsKind(STANDARD_TYPE(Geom_SweptSurface))) && |
366 | (S2->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) || |
367 | S2->IsKind(STANDARD_TYPE(Geom_SweptSurface)))) |
368 | { |
369 | gp_Cylinder aCyl1, aCyl2; |
370 | if (getCylinder(S1, aCyl1) && getCylinder(S2, aCyl2)) { |
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371 | if (fabs(aCyl1.Radius() - aCyl2.Radius()) < theLinTol) { |
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372 | gp_Dir aDir1 = aCyl1.Position().Direction(); |
373 | gp_Dir aDir2 = aCyl2.Position().Direction(); |
374 | if (aDir1.IsParallel(aDir2, Precision::Angular())) { |
375 | gp_Pnt aLoc1 = aCyl1.Location(); |
376 | gp_Pnt aLoc2 = aCyl2.Location(); |
377 | gp_Vec aVec12 (aLoc1, aLoc2); |
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378 | if (aVec12.SquareMagnitude() < theLinTol*theLinTol || |
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379 | aVec12.IsParallel(aDir1, Precision::Angular())) { |
380 | return Standard_True; |
381 | } |
382 | } |
383 | } |
384 | } |
385 | } |
386 | |
387 | return Standard_False; |
388 | } |
389 | |
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390 | //======================================================================= |
391 | //function : UpdateMapOfShapes |
392 | //purpose : |
393 | //======================================================================= |
394 | static void UpdateMapOfShapes(TopTools_MapOfShape& theMapOfShapes, |
395 | Handle(ShapeBuild_ReShape)& theContext) |
396 | { |
397 | for (TopTools_MapIteratorOfMapOfShape it(theMapOfShapes); it.More(); it.Next()) { |
398 | const TopoDS_Shape& aShape = it.Value(); |
399 | TopoDS_Shape aContextShape = theContext->Apply(aShape); |
400 | if (!aContextShape.IsSame(aShape)) |
401 | theMapOfShapes.Add(aContextShape); |
402 | } |
403 | } |
404 | |
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405 | //======================================================================= |
406 | //function : GlueEdgesWithPCurves |
407 | //purpose : Glues the pcurves of the sequence of edges |
408 | // and glues their 3d curves |
409 | //======================================================================= |
410 | static TopoDS_Edge GlueEdgesWithPCurves(const TopTools_SequenceOfShape& aChain, |
411 | const TopoDS_Vertex& FirstVertex, |
412 | const TopoDS_Vertex& LastVertex) |
413 | { |
414 | Standard_Integer i, j; |
415 | |
416 | TopoDS_Edge FirstEdge = TopoDS::Edge(aChain(1)); |
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417 | TColGeom_SequenceOfSurface SurfSeq; |
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418 | NCollection_Sequence<TopLoc_Location> LocSeq; |
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419 | |
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420 | for (int aCurveIndex = 0;; aCurveIndex++) |
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421 | { |
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422 | Handle(Geom2d_Curve) aCurve; |
423 | Handle(Geom_Surface) aSurface; |
424 | TopLoc_Location aLocation; |
425 | Standard_Real aFirst, aLast; |
426 | BRep_Tool::CurveOnSurface (FirstEdge, aCurve, aSurface, aLocation, aFirst, aLast, aCurveIndex); |
427 | if (aCurve.IsNull()) |
428 | break; |
429 | |
430 | SurfSeq.Append(aSurface); |
431 | LocSeq.Append(aLocation); |
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432 | } |
433 | |
434 | Standard_Real fpar, lpar; |
435 | BRep_Tool::Range(FirstEdge, fpar, lpar); |
436 | TopoDS_Edge PrevEdge = FirstEdge; |
437 | TopoDS_Vertex CV; |
438 | Standard_Real MaxTol = 0.; |
439 | |
440 | TopoDS_Edge ResEdge; |
441 | BRep_Builder BB; |
442 | |
443 | Standard_Integer nb_curve = aChain.Length(); //number of curves |
444 | TColGeom_Array1OfBSplineCurve tab_c3d(0,nb_curve-1); //array of the curves |
445 | TColStd_Array1OfReal tabtolvertex(0,nb_curve-1); //(0,nb_curve-2); //array of the tolerances |
446 | |
447 | TopoDS_Vertex PrevVertex = FirstVertex; |
448 | for (i = 1; i <= nb_curve; i++) |
449 | { |
450 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
451 | TopoDS_Vertex VF, VL; |
452 | TopExp::Vertices(anEdge, VF, VL); |
453 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
454 | |
455 | Standard_Real Tol1 = BRep_Tool::Tolerance(VF); |
456 | Standard_Real Tol2 = BRep_Tool::Tolerance(VL); |
457 | if (Tol1 > MaxTol) |
458 | MaxTol = Tol1; |
459 | if (Tol2 > MaxTol) |
460 | MaxTol = Tol2; |
461 | |
462 | if (i > 1) |
463 | { |
464 | TopExp::CommonVertex(PrevEdge, anEdge, CV); |
465 | Standard_Real Tol = BRep_Tool::Tolerance(CV); |
466 | tabtolvertex(i-2) = Tol; |
467 | } |
468 | |
469 | Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar); |
470 | Handle(Geom_TrimmedCurve) aTrCurve = new Geom_TrimmedCurve(aCurve, fpar, lpar); |
471 | tab_c3d(i-1) = GeomConvert::CurveToBSplineCurve(aTrCurve); |
472 | GeomConvert::C0BSplineToC1BSplineCurve(tab_c3d(i-1), Precision::Confusion()); |
473 | if (ToReverse) |
474 | tab_c3d(i-1)->Reverse(); |
475 | PrevVertex = (ToReverse)? VF : VL; |
476 | PrevEdge = anEdge; |
477 | } |
478 | Handle(TColGeom_HArray1OfBSplineCurve) concatcurve; //array of the concatenated curves |
479 | Handle(TColStd_HArray1OfInteger) ArrayOfIndices; //array of the remining Vertex |
480 | GeomConvert::ConcatC1(tab_c3d, |
481 | tabtolvertex, |
482 | ArrayOfIndices, |
483 | concatcurve, |
484 | Standard_False, |
485 | Precision::Confusion()); //C1 concatenation |
486 | |
487 | if (concatcurve->Length() > 1) |
488 | { |
489 | GeomConvert_CompCurveToBSplineCurve Concat(concatcurve->Value(concatcurve->Lower())); |
490 | |
491 | for (i = concatcurve->Lower()+1; i <= concatcurve->Upper(); i++) |
492 | Concat.Add( concatcurve->Value(i), MaxTol, Standard_True ); |
493 | |
494 | concatcurve->SetValue(concatcurve->Lower(), Concat.BSplineCurve()); |
495 | } |
496 | Handle(Geom_BSplineCurve) ResCurve = concatcurve->Value(concatcurve->Lower()); |
497 | |
498 | TColGeom2d_SequenceOfBoundedCurve ResPCurves; |
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499 | for (j = 1; j <= SurfSeq.Length(); j++) |
500 | { |
501 | TColGeom2d_Array1OfBSplineCurve tab_c2d(0,nb_curve-1); //array of the pcurves |
502 | |
503 | PrevVertex = FirstVertex; |
504 | PrevEdge = FirstEdge; |
2277323d |
505 | for (i = 1; i <= nb_curve; i++) |
506 | { |
507 | TopoDS_Edge anEdge = TopoDS::Edge(aChain(i)); |
508 | TopoDS_Vertex VF, VL; |
509 | TopExp::Vertices(anEdge, VF, VL); |
510 | Standard_Boolean ToReverse = (!VF.IsSame(PrevVertex)); |
511 | |
2277323d |
512 | Handle(Geom2d_Curve) aPCurve = |
fbfdf61a |
513 | BRep_Tool::CurveOnSurface(anEdge, SurfSeq(j), LocSeq(j), fpar, lpar); |
514 | if (aPCurve.IsNull()) |
515 | continue; |
2277323d |
516 | Handle(Geom2d_TrimmedCurve) aTrPCurve = new Geom2d_TrimmedCurve(aPCurve, fpar, lpar); |
517 | tab_c2d(i-1) = Geom2dConvert::CurveToBSplineCurve(aTrPCurve); |
518 | Geom2dConvert::C0BSplineToC1BSplineCurve(tab_c2d(i-1), Precision::Confusion()); |
519 | if (ToReverse) |
520 | tab_c2d(i-1)->Reverse(); |
521 | PrevVertex = (ToReverse)? VF : VL; |
522 | PrevEdge = anEdge; |
523 | } |
524 | Handle(TColGeom2d_HArray1OfBSplineCurve) concatc2d; //array of the concatenated curves |
525 | Handle(TColStd_HArray1OfInteger) ArrayOfInd2d; //array of the remining Vertex |
526 | Geom2dConvert::ConcatC1(tab_c2d, |
527 | tabtolvertex, |
528 | ArrayOfInd2d, |
529 | concatc2d, |
530 | Standard_False, |
531 | Precision::Confusion()); //C1 concatenation |
532 | |
533 | if (concatc2d->Length() > 1) |
534 | { |
535 | Geom2dConvert_CompCurveToBSplineCurve Concat2d(concatc2d->Value(concatc2d->Lower())); |
536 | |
537 | for (i = concatc2d->Lower()+1; i <= concatc2d->Upper(); i++) |
538 | Concat2d.Add( concatc2d->Value(i), MaxTol, Standard_True ); |
539 | |
540 | concatc2d->SetValue(concatc2d->Lower(), Concat2d.BSplineCurve()); |
541 | } |
542 | Handle(Geom2d_BSplineCurve) aResPCurve = concatc2d->Value(concatc2d->Lower()); |
543 | ResPCurves.Append(aResPCurve); |
544 | } |
545 | |
546 | ResEdge = BRepLib_MakeEdge(ResCurve, |
547 | FirstVertex, LastVertex, |
548 | ResCurve->FirstParameter(), ResCurve->LastParameter()); |
549 | BB.SameRange(ResEdge, Standard_False); |
550 | BB.SameParameter(ResEdge, Standard_False); |
551 | for (j = 1; j <= ResPCurves.Length(); j++) |
552 | { |
fbfdf61a |
553 | BB.UpdateEdge(ResEdge, ResPCurves(j), SurfSeq(j), LocSeq(j), MaxTol); |
554 | BB.Range(ResEdge, SurfSeq(j), LocSeq(j), ResPCurves(j)->FirstParameter(), ResPCurves(j)->LastParameter()); |
2277323d |
555 | } |
556 | |
557 | BRepLib::SameParameter(ResEdge, MaxTol, Standard_True); |
558 | |
559 | return ResEdge; |
560 | } |
561 | |
cef6867c |
562 | //======================================================================= |
563 | //function : MergeSubSeq |
564 | //purpose : Merges a sequence of edges into one edge if possible |
565 | //======================================================================= |
566 | |
632175c3 |
567 | static Standard_Boolean MergeSubSeq(const TopTools_SequenceOfShape& aChain, |
568 | TopoDS_Edge& OutEdge, |
569 | double theAngTol, |
570 | Standard_Boolean ConcatBSplines, |
571 | Standard_Boolean isSafeInputMode, |
572 | Handle(ShapeBuild_ReShape)& theContext) |
2277323d |
573 | { |
2277323d |
574 | ShapeAnalysis_Edge sae; |
f7d70540 |
575 | BRep_Builder B; |
2277323d |
576 | // union edges in chain |
f7d70540 |
577 | int j; |
2277323d |
578 | Standard_Real fp1,lp1,fp2,lp2; |
f7d70540 |
579 | Standard_Boolean IsUnionOfLinesPossible = Standard_True; |
580 | Standard_Boolean IsUnionOfCirclesPossible = Standard_True; |
581 | Handle(Geom_Curve) c3d1, c3d2; |
582 | for(j=1; j<aChain.Length(); j++) |
583 | { |
2277323d |
584 | TopoDS_Edge edge1 = TopoDS::Edge(aChain.Value(j)); |
f7d70540 |
585 | c3d1 = BRep_Tool::Curve(edge1,fp1,lp1); |
586 | |
587 | TopoDS_Edge edge2 = TopoDS::Edge(aChain.Value(j+1)); |
588 | c3d2 = BRep_Tool::Curve(edge2,fp2,lp2); |
589 | |
590 | if(c3d1.IsNull() || c3d2.IsNull()) |
591 | return Standard_False; |
b4d4dbe8 |
592 | |
2277323d |
593 | while(c3d1->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
594 | Handle(Geom_TrimmedCurve) tc = |
595 | Handle(Geom_TrimmedCurve)::DownCast(c3d1); |
596 | c3d1 = tc->BasisCurve(); |
597 | } |
2277323d |
598 | while(c3d2->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
599 | Handle(Geom_TrimmedCurve) tc = |
600 | Handle(Geom_TrimmedCurve)::DownCast(c3d2); |
601 | c3d2 = tc->BasisCurve(); |
602 | } |
603 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Line)) && c3d2->IsKind(STANDARD_TYPE(Geom_Line)) ) { |
2277323d |
604 | Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast(c3d1); |
605 | Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast(c3d2); |
606 | gp_Dir Dir1 = L1->Position().Direction(); |
607 | gp_Dir Dir2 = L2->Position().Direction(); |
632175c3 |
608 | if(!Dir1.IsParallel(Dir2,theAngTol)) |
f7d70540 |
609 | IsUnionOfLinesPossible = Standard_False; |
2277323d |
610 | } |
f7d70540 |
611 | else |
612 | IsUnionOfLinesPossible = Standard_False; |
2277323d |
613 | if( c3d1->IsKind(STANDARD_TYPE(Geom_Circle)) && c3d2->IsKind(STANDARD_TYPE(Geom_Circle)) ) { |
2277323d |
614 | Handle(Geom_Circle) C1 = Handle(Geom_Circle)::DownCast(c3d1); |
615 | Handle(Geom_Circle) C2 = Handle(Geom_Circle)::DownCast(c3d2); |
616 | gp_Pnt P01 = C1->Location(); |
617 | gp_Pnt P02 = C2->Location(); |
b4d4dbe8 |
618 | if (P01.Distance(P02) > Precision::Confusion()) |
f7d70540 |
619 | IsUnionOfCirclesPossible = Standard_False; |
620 | } |
621 | else |
622 | IsUnionOfCirclesPossible = Standard_False; |
623 | } |
624 | if (IsUnionOfLinesPossible && IsUnionOfCirclesPossible) |
625 | return Standard_False; |
626 | |
627 | //union of lines is possible |
628 | if (IsUnionOfLinesPossible) |
629 | { |
632175c3 |
630 | TopoDS_Vertex V[2]; |
631 | V[0] = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
632 | gp_Pnt PV1 = BRep_Tool::Pnt(V[0]); |
633 | V[1] = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
634 | gp_Pnt PV2 = BRep_Tool::Pnt(V[1]); |
f7d70540 |
635 | gp_Vec Vec(PV1, PV2); |
632175c3 |
636 | if (isSafeInputMode) { |
637 | for (int k = 0; k < 2; k++) { |
638 | if (!theContext->IsRecorded(V[k])) { |
639 | TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied()); |
640 | theContext->Replace(V[k], Vcopy); |
641 | V[k] = Vcopy; |
642 | } |
643 | else |
644 | V[k] = TopoDS::Vertex(theContext->Apply(V[k])); |
645 | } |
646 | } |
f7d70540 |
647 | Handle(Geom_Line) L = new Geom_Line(gp_Ax1(PV1,Vec)); |
648 | Standard_Real dist = PV1.Distance(PV2); |
649 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(L,0.0,dist); |
650 | TopoDS_Edge E; |
651 | B.MakeEdge (E, tc ,Precision::Confusion()); |
632175c3 |
652 | B.Add (E,V[0]); B.Add (E,V[1]); |
653 | B.UpdateVertex(V[0], 0., E, 0.); |
654 | B.UpdateVertex(V[1], dist, E, 0.); |
f7d70540 |
655 | OutEdge = E; |
656 | return Standard_True; |
657 | } |
658 | |
659 | if (IsUnionOfCirclesPossible) |
660 | { |
661 | double f,l; |
662 | TopoDS_Edge FE = TopoDS::Edge(aChain.First()); |
663 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(FE,f,l); |
664 | |
665 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
666 | Handle(Geom_TrimmedCurve) tc = |
667 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
668 | c3d = tc->BasisCurve(); |
669 | } |
670 | Handle(Geom_Circle) Cir = Handle(Geom_Circle)::DownCast(c3d); |
671 | |
632175c3 |
672 | TopoDS_Vertex V[2]; |
673 | V[0] = sae.FirstVertex(FE); |
674 | V[1] = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
f7d70540 |
675 | TopoDS_Edge E; |
632175c3 |
676 | if (V[0].IsSame(V[1])) { |
f7d70540 |
677 | // closed chain |
dd2f1b75 |
678 | BRepAdaptor_Curve adef(FE); |
679 | Handle(Geom_Circle) Cir1; |
680 | double FP, LP; |
681 | if ( FE.Orientation() == TopAbs_FORWARD) |
682 | { |
683 | FP = adef.FirstParameter(); |
684 | LP = adef.LastParameter(); |
685 | } |
686 | else |
687 | { |
688 | FP = adef.LastParameter(); |
689 | LP = adef.FirstParameter(); |
690 | } |
691 | if (Abs(FP) < Precision::PConfusion()) |
692 | { |
f0144633 |
693 | B.MakeEdge (E,Cir, Precision::Confusion()); |
632175c3 |
694 | B.Add(E,V[0]); |
695 | B.Add(E,V[1]); |
f0144633 |
696 | E.Orientation(FE.Orientation()); |
697 | } |
dd2f1b75 |
698 | else |
699 | { |
700 | GC_MakeCircle MC1 (adef.Value(FP), adef.Value((FP + LP) * 0.5), adef.Value(LP)); |
701 | if (MC1.IsDone()) |
702 | Cir1 = MC1.Value(); |
703 | else |
704 | return Standard_False; |
705 | B.MakeEdge (E, Cir1, Precision::Confusion()); |
632175c3 |
706 | B.Add(E,V[0]); |
707 | B.Add(E,V[1]); |
dd2f1b75 |
708 | } |
f7d70540 |
709 | } |
710 | else { |
632175c3 |
711 | if (isSafeInputMode) { |
712 | for (int k = 0; k < 2; k++) { |
713 | if (!theContext->IsRecorded(V[k])) { |
714 | TopoDS_Vertex Vcopy = TopoDS::Vertex(V[k].EmptyCopied()); |
715 | theContext->Replace(V[k], Vcopy); |
716 | V[k] = Vcopy; |
717 | } |
718 | else |
719 | V[k] = TopoDS::Vertex(theContext->Apply(V[k])); |
720 | } |
721 | } |
722 | gp_Pnt PV1 = BRep_Tool::Pnt(V[0]); |
723 | gp_Pnt PV2 = BRep_Tool::Pnt(V[1]); |
dd2f1b75 |
724 | TopoDS_Vertex VM = sae.LastVertex(FE); |
725 | gp_Pnt PVM = BRep_Tool::Pnt(VM); |
726 | GC_MakeCircle MC (PV1,PVM,PV2); |
f7d70540 |
727 | Handle(Geom_Circle) C = MC.Value(); |
728 | gp_Pnt P0 = C->Location(); |
729 | gp_Dir D1(gp_Vec(P0,PV1)); |
730 | gp_Dir D2(gp_Vec(P0,PV2)); |
731 | Standard_Real fpar = C->XAxis().Direction().Angle(D1); |
732 | if(fabs(fpar)>Precision::Confusion()) { |
733 | // check orientation |
734 | gp_Dir ND = C->XAxis().Direction().Crossed(D1); |
735 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
736 | fpar = -fpar; |
2277323d |
737 | } |
f7d70540 |
738 | } |
739 | Standard_Real lpar = C->XAxis().Direction().Angle(D2); |
740 | if(fabs(lpar)>Precision::Confusion()) { |
741 | // check orientation |
742 | gp_Dir ND = C->XAxis().Direction().Crossed(D2); |
743 | if(ND.IsOpposite(C->Axis().Direction(),Precision::Confusion())) { |
744 | lpar = -lpar; |
2277323d |
745 | } |
2277323d |
746 | } |
f7d70540 |
747 | if (lpar < fpar) lpar += 2*M_PI; |
748 | Handle(Geom_TrimmedCurve) tc = new Geom_TrimmedCurve(C,fpar,lpar); |
749 | B.MakeEdge (E,tc,Precision::Confusion()); |
632175c3 |
750 | B.Add(E,V[0]); |
751 | B.Add(E,V[1]); |
752 | B.UpdateVertex(V[0], fpar, E, 0.); |
753 | B.UpdateVertex(V[1], lpar, E, 0.); |
2277323d |
754 | } |
f7d70540 |
755 | OutEdge = E; |
756 | return Standard_True; |
2277323d |
757 | } |
758 | if (aChain.Length() > 1 && ConcatBSplines) { |
759 | // second step: union edges with various curves |
760 | // skl for bug 0020052 from Mantis: perform such unions |
761 | // only if curves are bspline or bezier |
f7d70540 |
762 | |
763 | TopoDS_Vertex VF = sae.FirstVertex(TopoDS::Edge(aChain.First())); |
764 | TopoDS_Vertex VL = sae.LastVertex(TopoDS::Edge(aChain.Last())); |
765 | Standard_Boolean NeedUnion = Standard_True; |
2277323d |
766 | for(j=1; j<=aChain.Length(); j++) { |
767 | TopoDS_Edge edge = TopoDS::Edge(aChain.Value(j)); |
b4d4dbe8 |
768 | TopLoc_Location Loc; |
2277323d |
769 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge,Loc,fp1,lp1); |
770 | if(c3d.IsNull()) continue; |
771 | while(c3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
772 | Handle(Geom_TrimmedCurve) tc = |
773 | Handle(Geom_TrimmedCurve)::DownCast(c3d); |
774 | c3d = tc->BasisCurve(); |
775 | } |
776 | if( ( c3d->IsKind(STANDARD_TYPE(Geom_BSplineCurve)) || |
777 | c3d->IsKind(STANDARD_TYPE(Geom_BezierCurve)) ) ) continue; |
f7d70540 |
778 | NeedUnion = Standard_False; |
2277323d |
779 | break; |
780 | } |
781 | if(NeedUnion) { |
0797d9d3 |
782 | #ifdef OCCT_DEBUG |
2277323d |
783 | cout<<"can not make analitical union => make approximation"<<endl; |
784 | #endif |
785 | TopoDS_Edge E = GlueEdgesWithPCurves(aChain, VF, VL); |
f7d70540 |
786 | OutEdge = E; |
787 | return Standard_True; |
2277323d |
788 | } |
789 | else { |
0797d9d3 |
790 | #ifdef OCCT_DEBUG |
2277323d |
791 | cout<<"can not make approximation for such types of curves"<<endl; |
792 | #endif |
793 | return Standard_False; |
794 | } |
795 | } |
f7d70540 |
796 | return Standard_False; |
797 | } |
798 | |
cef6867c |
799 | //======================================================================= |
800 | //function : IsMergingPossible |
801 | //purpose : Checks if merging of two edges is possible |
802 | //======================================================================= |
803 | |
f7d70540 |
804 | static Standard_Boolean IsMergingPossible(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2, |
632175c3 |
805 | double theAngTol, const TopTools_MapOfShape& AvoidEdgeVrt) |
f7d70540 |
806 | { |
807 | TopoDS_Vertex CV = TopExp::LastVertex(edge1, Standard_True); |
9ed6494b |
808 | if (CV.IsNull() || AvoidEdgeVrt.Contains(CV)) |
f7d70540 |
809 | return Standard_False; |
810 | |
811 | BRepAdaptor_Curve ade1(edge1); |
812 | BRepAdaptor_Curve ade2(edge2); |
813 | |
814 | GeomAbs_CurveType t1 = ade1.GetType(); |
815 | GeomAbs_CurveType t2 = ade2.GetType(); |
816 | |
817 | if( t1 == GeomAbs_Circle && t2 == GeomAbs_Circle) |
818 | { |
819 | if (ade1.Circle().Location().Distance(ade2.Circle().Location()) > Precision::Confusion()) |
820 | return Standard_False; |
821 | } |
822 | |
823 | if( ( (t1 != GeomAbs_BezierCurve && t1 != GeomAbs_BSplineCurve) || |
824 | (t2 != GeomAbs_BezierCurve && t2 != GeomAbs_BSplineCurve)) && t1 != t2) |
825 | return Standard_False; |
826 | |
827 | gp_Vec Diff1, Diff2; |
828 | gp_Pnt P1, P2; |
829 | if (edge1.Orientation() == TopAbs_FORWARD) |
830 | ade1.D1(ade1.LastParameter(), P1, Diff1); |
831 | else |
832 | { |
833 | ade1.D1(ade1.FirstParameter(), P1, Diff1); |
834 | Diff1 = -Diff1; |
835 | } |
836 | |
837 | if (edge2.Orientation() == TopAbs_FORWARD) |
838 | ade2.D1(ade2.FirstParameter(), P2, Diff2); |
839 | else |
840 | { |
841 | ade2.D1(ade2.LastParameter(), P2, Diff2); |
842 | Diff2 = -Diff2; |
843 | } |
844 | |
632175c3 |
845 | if (Diff1.Angle(Diff2) > theAngTol) |
f7d70540 |
846 | return Standard_False; |
847 | |
848 | return Standard_True; |
849 | } |
850 | |
cef6867c |
851 | //======================================================================= |
852 | //function : GenerateSubSeq |
853 | //purpose : Generates sub-sequences of edges from sequence of edges |
854 | //Edges from each subsequences can be merged into the one edge |
855 | //======================================================================= |
856 | |
f7d70540 |
857 | static void GenerateSubSeq (const TopTools_SequenceOfShape& anInpEdgeSeq, |
858 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
632175c3 |
859 | Standard_Boolean IsClosed, double theAngTol, const TopTools_MapOfShape& AvoidEdgeVrt) |
f7d70540 |
860 | { |
861 | Standard_Boolean isOk = Standard_False; |
862 | TopoDS_Edge edge1, edge2; |
863 | |
864 | SubSequenceOfEdges SubSeq; |
865 | SubSeq.SeqsEdges.Append(TopoDS::Edge(anInpEdgeSeq(1))); |
866 | SeqOfSubSeqOfEdges.Append(SubSeq); |
867 | |
868 | for (int i = 1; i < anInpEdgeSeq.Length(); i++) |
869 | { |
870 | edge1 = TopoDS::Edge(anInpEdgeSeq(i)); |
871 | edge2 = TopoDS::Edge(anInpEdgeSeq(i+1)); |
632175c3 |
872 | isOk = IsMergingPossible(edge1, edge2, theAngTol, AvoidEdgeVrt); |
f7d70540 |
873 | if (!isOk) |
874 | { |
51740958 |
875 | SubSequenceOfEdges aSubSeq; |
876 | aSubSeq.SeqsEdges.Append(edge2); |
877 | SeqOfSubSeqOfEdges.Append(aSubSeq); |
f7d70540 |
878 | } |
879 | else |
880 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(edge2); |
881 | } |
882 | /// check first and last chain segments |
883 | if (IsClosed && SeqOfSubSeqOfEdges.Length() > 1) |
884 | { |
885 | edge1 = TopoDS::Edge(anInpEdgeSeq.Last()); |
886 | edge2 = TopoDS::Edge(anInpEdgeSeq.First()); |
632175c3 |
887 | if (IsMergingPossible(edge1, edge2, theAngTol, AvoidEdgeVrt)) |
f7d70540 |
888 | { |
889 | SeqOfSubSeqOfEdges.ChangeLast().SeqsEdges.Append(SeqOfSubSeqOfEdges.ChangeFirst().SeqsEdges); |
890 | SeqOfSubSeqOfEdges.Remove(1); |
891 | } |
892 | } |
893 | } |
894 | |
f7d70540 |
895 | //======================================================================= |
896 | //function : MergeEdges |
897 | //purpose : auxilary |
898 | //======================================================================= |
f98965d2 |
899 | static Standard_Boolean MergeEdges(TopTools_SequenceOfShape& SeqEdges, |
632175c3 |
900 | const Standard_Real theAngTol, |
f7d70540 |
901 | const Standard_Boolean ConcatBSplines, |
632175c3 |
902 | const Standard_Boolean isSafeInputMode, |
903 | Handle(ShapeBuild_ReShape)& theContext, |
f7d70540 |
904 | NCollection_Sequence<SubSequenceOfEdges>& SeqOfSubSeqOfEdges, |
9ed6494b |
905 | const TopTools_MapOfShape& NonMergVrt) |
f7d70540 |
906 | { |
f98965d2 |
907 | // skip degenerated edges, and forbid merging through them |
908 | TopTools_IndexedDataMapOfShapeListOfShape aMapVE; |
f7d70540 |
909 | Standard_Integer j; |
910 | TopTools_MapOfShape VerticesToAvoid; |
f7d70540 |
911 | for (j = 1; j <= SeqEdges.Length(); j++) |
912 | { |
913 | TopoDS_Edge anEdge = TopoDS::Edge(SeqEdges(j)); |
914 | if (BRep_Tool::Degenerated(anEdge)) |
915 | { |
916 | TopoDS_Vertex V1, V2; |
917 | TopExp::Vertices(anEdge, V1, V2); |
918 | VerticesToAvoid.Add(V1); |
919 | VerticesToAvoid.Add(V2); |
f98965d2 |
920 | SeqEdges.Remove(j--); |
921 | } |
922 | else |
923 | { |
924 | // fill in the map V-E |
925 | for (TopoDS_Iterator it(anEdge.Oriented(TopAbs_FORWARD)); it.More(); it.Next()) |
926 | { |
927 | TopoDS_Shape aV = it.Value(); |
928 | if (aV.Orientation() == TopAbs_FORWARD || aV.Orientation() == TopAbs_REVERSED) |
929 | { |
930 | if (!aMapVE.Contains(aV)) |
931 | aMapVE.Add(aV, TopTools_ListOfShape()); |
932 | aMapVE.ChangeFromKey(aV).Append(anEdge); |
38c2acd4 |
933 | } |
f98965d2 |
934 | } |
f7d70540 |
935 | } |
f7d70540 |
936 | } |
f98965d2 |
937 | VerticesToAvoid.Unite(NonMergVrt); |
f7d70540 |
938 | |
f98965d2 |
939 | // do loop while there are unused edges |
940 | TopTools_MapOfShape aUsedEdges; |
941 | for (;;) |
942 | { |
943 | TopoDS_Edge edge; |
944 | for(j=1; j <= SeqEdges.Length(); j++) |
945 | { |
946 | edge = TopoDS::Edge(SeqEdges.Value(j)); |
947 | if (!aUsedEdges.Contains(edge)) |
948 | break; |
949 | } |
950 | if (j > SeqEdges.Length()) |
951 | break; // all edges have been used |
952 | |
953 | // make chain for unite |
954 | TopTools_SequenceOfShape aChain; |
38c2acd4 |
955 | aChain.Append(edge); |
f98965d2 |
956 | aUsedEdges.Add(edge); |
957 | TopoDS_Vertex V[2]; |
958 | TopExp::Vertices(edge, V[0], V[1], Standard_True); |
959 | |
960 | // connect more edges to the chain in both directions |
961 | for (j = 0; j < 2; j++) |
962 | { |
963 | Standard_Boolean isAdded = Standard_True; |
964 | while (isAdded) |
965 | { |
966 | isAdded = Standard_False; |
967 | if (V[j].IsNull()) |
968 | break; |
969 | const TopTools_ListOfShape& aLE = aMapVE.FindFromKey(V[j]); |
970 | for (TopTools_ListIteratorOfListOfShape itL(aLE); itL.More(); itL.Next()) |
971 | { |
972 | edge = TopoDS::Edge(itL.Value()); |
973 | if (!aUsedEdges.Contains(edge)) |
974 | { |
38c2acd4 |
975 | TopoDS_Vertex V2[2]; |
976 | TopExp::Vertices(edge, V2[0], V2[1], Standard_True); |
977 | // the neighboring edge must have V[j] reversed and located on the opposite end |
978 | if (V2[1 - j].IsEqual(V[j].Reversed())) |
979 | { |
980 | if (j == 0) |
981 | aChain.Prepend(edge); |
982 | else |
983 | aChain.Append(edge); |
984 | aUsedEdges.Add(edge); |
985 | V[j] = V2[j]; |
986 | isAdded = Standard_True; |
987 | break; |
988 | } |
989 | } |
990 | } |
f7d70540 |
991 | } |
992 | } |
f7d70540 |
993 | |
f98965d2 |
994 | if (aChain.Length() < 2) |
995 | continue; |
2277323d |
996 | |
38c2acd4 |
997 | Standard_Boolean IsClosed = Standard_False; |
f98965d2 |
998 | if (V[0].IsSame ( V[1] )) |
38c2acd4 |
999 | IsClosed = Standard_True; |
f98965d2 |
1000 | |
1001 | // split chain by vertices at which merging is not possible |
1002 | NCollection_Sequence<SubSequenceOfEdges> aOneSeq; |
632175c3 |
1003 | GenerateSubSeq(aChain, aOneSeq, IsClosed, theAngTol, VerticesToAvoid); |
f98965d2 |
1004 | |
1005 | // put sub-chains in the result |
1006 | SeqOfSubSeqOfEdges.Append(aOneSeq); |
1007 | } |
f7d70540 |
1008 | |
1009 | for (int i = 1; i <= SeqOfSubSeqOfEdges.Length(); i++) |
1010 | { |
1011 | TopoDS_Edge UE; |
1012 | if (SeqOfSubSeqOfEdges(i).SeqsEdges.Length() < 2) |
1013 | continue; |
632175c3 |
1014 | if (MergeSubSeq(SeqOfSubSeqOfEdges(i).SeqsEdges, UE, theAngTol, |
1015 | ConcatBSplines, isSafeInputMode, theContext)) |
f7d70540 |
1016 | SeqOfSubSeqOfEdges(i).UnionEdges = UE; |
1017 | } |
2277323d |
1018 | return Standard_True; |
1019 | } |
1020 | |
cef6867c |
1021 | //======================================================================= |
1022 | //function : MergeSeq |
f523acf0 |
1023 | //purpose : Tries to unify the sequence of edges with the set of |
1024 | // another edges which lies on the same geometry |
cef6867c |
1025 | //======================================================================= |
f98965d2 |
1026 | static Standard_Boolean MergeSeq (TopTools_SequenceOfShape& SeqEdges, |
632175c3 |
1027 | const Standard_Real theAngTol, |
f7d70540 |
1028 | const Standard_Boolean ConcatBSplines, |
632175c3 |
1029 | const Standard_Boolean isSafeInputMode, |
f7d70540 |
1030 | Handle(ShapeBuild_ReShape)& theContext, |
f523acf0 |
1031 | const TopTools_MapOfShape& nonMergVert) |
1032 | { |
f7d70540 |
1033 | NCollection_Sequence<SubSequenceOfEdges> SeqOfSubsSeqOfEdges; |
632175c3 |
1034 | if (MergeEdges(SeqEdges, theAngTol, ConcatBSplines, isSafeInputMode, |
1035 | theContext, SeqOfSubsSeqOfEdges, nonMergVert)) |
f7d70540 |
1036 | { |
1037 | for (Standard_Integer i = 1; i <= SeqOfSubsSeqOfEdges.Length(); i++ ) |
1038 | { |
1039 | if (SeqOfSubsSeqOfEdges(i).UnionEdges.IsNull()) |
1040 | continue; |
654c48b2 |
1041 | |
1042 | theContext->Merge(SeqOfSubsSeqOfEdges(i).SeqsEdges, |
1043 | SeqOfSubsSeqOfEdges(i).UnionEdges); |
f7d70540 |
1044 | } |
1045 | return Standard_True; |
1046 | } |
f523acf0 |
1047 | return Standard_False; |
f7d70540 |
1048 | } |
1049 | |
cef6867c |
1050 | //======================================================================= |
1051 | //function : CheckSharedVertices |
1052 | //purpose : Checks the sequence of edges on the presence of shared vertex |
1053 | //======================================================================= |
1054 | |
f7d70540 |
1055 | static void CheckSharedVertices(const TopTools_SequenceOfShape& theSeqEdges, |
1056 | const TopTools_IndexedDataMapOfShapeListOfShape& theMapEdgesVertex, |
9ed6494b |
1057 | const TopTools_MapOfShape& theMapKeepShape, |
f7d70540 |
1058 | TopTools_MapOfShape& theShareVertMap) |
1059 | { |
1060 | ShapeAnalysis_Edge sae; |
1061 | TopTools_SequenceOfShape SeqVertexes; |
1062 | TopTools_MapOfShape MapVertexes; |
1063 | for (Standard_Integer k = 1; k <= theSeqEdges.Length(); k++ ) |
1064 | { |
1065 | TopoDS_Vertex aV1 = sae.FirstVertex(TopoDS::Edge(theSeqEdges(k))); |
1066 | TopoDS_Vertex aV2 = sae.LastVertex(TopoDS::Edge(theSeqEdges(k))); |
1067 | if (!MapVertexes.Add(aV1)) |
1068 | SeqVertexes.Append(aV1); |
1069 | if (!MapVertexes.Add(aV2)) |
1070 | SeqVertexes.Append(aV2); |
1071 | } |
1072 | |
1073 | for (Standard_Integer k = 1; k <= SeqVertexes.Length()/* && !IsSharedVertexPresent*/; k++ ) |
1074 | { |
1075 | const TopTools_ListOfShape& ListEdgesV1 = theMapEdgesVertex.FindFromKey(SeqVertexes(k)); |
f1191d30 |
1076 | if (ListEdgesV1.Extent() > 2 || theMapKeepShape.Contains(SeqVertexes(k))) |
f7d70540 |
1077 | theShareVertMap.Add(SeqVertexes(k)); |
1078 | } |
1079 | //return theShareVertMap.IsEmpty() ? false : true; |
1080 | } |
1081 | |
2277323d |
1082 | //======================================================================= |
1083 | //function : ShapeUpgrade_UnifySameDomain |
1084 | //purpose : Constructor |
1085 | //======================================================================= |
1086 | |
1087 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain() |
2ba9eb30 |
1088 | : myLinTol(Precision::Confusion()), |
1089 | myAngTol(Precision::Angular()), |
1090 | myUnifyFaces(Standard_True), |
fe1a6e4e |
1091 | myUnifyEdges (Standard_True), |
1092 | myConcatBSplines (Standard_False), |
632175c3 |
1093 | myAllowInternal (Standard_False), |
654c48b2 |
1094 | mySafeInputMode(Standard_True), |
1095 | myHistory(new BRepTools_History) |
2277323d |
1096 | { |
2277323d |
1097 | myContext = new ShapeBuild_ReShape; |
1098 | } |
1099 | |
1100 | //======================================================================= |
1101 | //function : ShapeUpgrade_UnifySameDomain |
1102 | //purpose : Constructor |
1103 | //======================================================================= |
1104 | |
1105 | ShapeUpgrade_UnifySameDomain::ShapeUpgrade_UnifySameDomain(const TopoDS_Shape& aShape, |
1106 | const Standard_Boolean UnifyEdges, |
1107 | const Standard_Boolean UnifyFaces, |
1108 | const Standard_Boolean ConcatBSplines) |
fe1a6e4e |
1109 | : myInitShape (aShape), |
2ba9eb30 |
1110 | myLinTol(Precision::Confusion()), |
1111 | myAngTol(Precision::Angular()), |
1112 | myUnifyFaces(UnifyFaces), |
fe1a6e4e |
1113 | myUnifyEdges (UnifyEdges), |
1114 | myConcatBSplines (ConcatBSplines), |
1115 | myAllowInternal (Standard_False), |
632175c3 |
1116 | mySafeInputMode (Standard_True), |
654c48b2 |
1117 | myShape (aShape), |
1118 | myHistory(new BRepTools_History) |
2277323d |
1119 | { |
2277323d |
1120 | myContext = new ShapeBuild_ReShape; |
1121 | } |
1122 | |
1123 | //======================================================================= |
1124 | //function : Initialize |
1125 | //purpose : |
1126 | //======================================================================= |
1127 | |
1128 | void ShapeUpgrade_UnifySameDomain::Initialize(const TopoDS_Shape& aShape, |
1129 | const Standard_Boolean UnifyEdges, |
1130 | const Standard_Boolean UnifyFaces, |
1131 | const Standard_Boolean ConcatBSplines) |
1132 | { |
1133 | myInitShape = aShape; |
1134 | myShape = aShape; |
1135 | myUnifyEdges = UnifyEdges; |
1136 | myUnifyFaces = UnifyFaces; |
1137 | myConcatBSplines = ConcatBSplines; |
1138 | |
1139 | myContext->Clear(); |
9ed6494b |
1140 | myKeepShapes.Clear(); |
f523acf0 |
1141 | myHistory->Clear(); |
fe1a6e4e |
1142 | } |
1143 | |
1144 | //======================================================================= |
1145 | //function : AllowInternalEdges |
1146 | //purpose : |
1147 | //======================================================================= |
1148 | |
1149 | void ShapeUpgrade_UnifySameDomain::AllowInternalEdges (const Standard_Boolean theValue) |
1150 | { |
1151 | myAllowInternal = theValue; |
2277323d |
1152 | } |
1153 | |
632175c3 |
1154 | //======================================================================= |
1155 | //function : SetSafeInputMode |
1156 | //purpose : |
1157 | //======================================================================= |
1158 | |
1159 | void ShapeUpgrade_UnifySameDomain::SetSafeInputMode(Standard_Boolean theValue) |
1160 | { |
1161 | mySafeInputMode = theValue; |
1162 | } |
1163 | |
9ed6494b |
1164 | //======================================================================= |
1165 | //function : KeepShape |
1166 | //purpose : |
1167 | //======================================================================= |
1168 | |
1169 | void ShapeUpgrade_UnifySameDomain::KeepShape(const TopoDS_Shape& theShape) |
1170 | { |
1171 | if (theShape.ShapeType() == TopAbs_EDGE || theShape.ShapeType() == TopAbs_VERTEX) |
1172 | myKeepShapes.Add(theShape); |
1173 | } |
1174 | |
1175 | //======================================================================= |
1176 | //function : KeepShapes |
1177 | //purpose : |
1178 | //======================================================================= |
1179 | |
1180 | void ShapeUpgrade_UnifySameDomain::KeepShapes(const TopTools_MapOfShape& theShapes) |
1181 | { |
1182 | for (TopTools_MapIteratorOfMapOfShape it(theShapes); it.More(); it.Next()) { |
1183 | if (it.Value().ShapeType() == TopAbs_EDGE || it.Value().ShapeType() == TopAbs_VERTEX) |
1184 | myKeepShapes.Add(it.Value()); |
1185 | } |
1186 | } |
1187 | |
2277323d |
1188 | //======================================================================= |
1189 | //function : UnifyFaces |
1190 | //purpose : |
1191 | //======================================================================= |
1192 | |
1193 | void ShapeUpgrade_UnifySameDomain::UnifyFaces() |
1194 | { |
fe1a6e4e |
1195 | // creating map of edge faces for the whole shape |
1196 | TopTools_IndexedDataMapOfShapeListOfShape aGMapEdgeFaces; |
1197 | TopExp::MapShapesAndAncestors(myShape, TopAbs_EDGE, TopAbs_FACE, aGMapEdgeFaces); |
56091b56 |
1198 | |
1199 | // unify faces in each shell separately |
2277323d |
1200 | TopExp_Explorer exps; |
56091b56 |
1201 | for (exps.Init(myShape, TopAbs_SHELL); exps.More(); exps.Next()) |
977ad983 |
1202 | IntUnifyFaces(exps.Current(), aGMapEdgeFaces); |
56091b56 |
1203 | |
1204 | // gather all faces out of shells in one compound and unify them at once |
1205 | BRep_Builder aBB; |
1206 | TopoDS_Compound aCmp; |
1207 | aBB.MakeCompound(aCmp); |
1208 | Standard_Integer nbf = 0; |
1209 | for (exps.Init(myShape, TopAbs_FACE, TopAbs_SHELL); exps.More(); exps.Next(), nbf++) |
1210 | aBB.Add(aCmp, exps.Current()); |
1211 | |
1212 | if (nbf > 0) |
977ad983 |
1213 | IntUnifyFaces(aCmp, aGMapEdgeFaces); |
56091b56 |
1214 | |
1215 | myShape = myContext->Apply(myShape); |
1216 | } |
2277323d |
1217 | |
f16a6cc5 |
1218 | //======================================================================= |
1219 | //function : SetFixWireModes |
1220 | //purpose : |
1221 | //======================================================================= |
1222 | |
1223 | static void SetFixWireModes(ShapeFix_Face& theSff) |
1224 | { |
1225 | Handle(ShapeFix_Wire) aFixWire = theSff.FixWireTool(); |
1226 | aFixWire->FixSelfIntersectionMode() = 0; |
1227 | aFixWire->FixNonAdjacentIntersectingEdgesMode() = 0; |
1228 | aFixWire->FixLackingMode() = 0; |
1229 | aFixWire->FixNotchedEdgesMode() = 0; |
1230 | aFixWire->ModifyTopologyMode() = Standard_False; |
1231 | aFixWire->ModifyRemoveLoopMode() = 0; |
1232 | aFixWire->FixGapsByRangesMode() = Standard_False; |
1233 | aFixWire->FixSmallMode() = 0; |
1234 | } |
1235 | |
632175c3 |
1236 | //======================================================================= |
1237 | //function : IntUnifyFaces |
1238 | //purpose : |
1239 | //======================================================================= |
2277323d |
1240 | |
56091b56 |
1241 | void ShapeUpgrade_UnifySameDomain::IntUnifyFaces(const TopoDS_Shape& theInpShape, |
977ad983 |
1242 | TopTools_IndexedDataMapOfShapeListOfShape& theGMapEdgeFaces) |
56091b56 |
1243 | { |
1244 | // creating map of edge faces for the shape |
1245 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
1246 | TopExp::MapShapesAndAncestors(theInpShape, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
1247 | |
1248 | // map of processed shapes |
1249 | TopTools_MapOfShape aProcessed; |
1250 | |
56091b56 |
1251 | // processing each face |
f523acf0 |
1252 | TopExp_Explorer exp; |
56091b56 |
1253 | for (exp.Init(theInpShape, TopAbs_FACE); exp.More(); exp.Next()) { |
10ce3246 |
1254 | const TopoDS_Face& aFaceOriginal = TopoDS::Face(exp.Current()); |
1255 | TopoDS_Face aFace = TopoDS::Face(aFaceOriginal.Oriented(TopAbs_FORWARD)); |
2277323d |
1256 | |
56091b56 |
1257 | if (aProcessed.Contains(aFace)) |
1258 | continue; |
2277323d |
1259 | |
f523acf0 |
1260 | // Boundary edges for the new face |
56091b56 |
1261 | TopTools_SequenceOfShape edges; |
2277323d |
1262 | |
f523acf0 |
1263 | Standard_Integer dummy; |
1264 | AddOrdinaryEdges(edges, aFace, dummy); |
1265 | |
1266 | // Faces to get unified with the current faces |
56091b56 |
1267 | TopTools_SequenceOfShape faces; |
f523acf0 |
1268 | |
1269 | // Add the current face for unification |
56091b56 |
1270 | faces.Append(aFace); |
1271 | |
f523acf0 |
1272 | // surface and location to construct result |
56091b56 |
1273 | TopLoc_Location aBaseLocation; |
1274 | Handle(Geom_Surface) aBaseSurface = BRep_Tool::Surface(aFace,aBaseLocation); |
1275 | aBaseSurface = ClearRts(aBaseSurface); |
1276 | |
1277 | // find adjacent faces to union |
1278 | Standard_Integer i; |
1279 | for (i = 1; i <= edges.Length(); i++) { |
1280 | TopoDS_Edge edge = TopoDS::Edge(edges(i)); |
1281 | if (BRep_Tool::Degenerated(edge)) |
1282 | continue; |
2277323d |
1283 | |
56091b56 |
1284 | // get connectivity of the edge in the global shape |
1285 | const TopTools_ListOfShape& aGList = theGMapEdgeFaces.FindFromKey(edge); |
9ed6494b |
1286 | if (!myAllowInternal && (aGList.Extent() != 2 || myKeepShapes.Contains(edge))) { |
f523acf0 |
1287 | // non manifold case is not processed unless myAllowInternal |
56091b56 |
1288 | continue; |
1289 | } |
10ce3246 |
1290 | // |
f523acf0 |
1291 | // Get the faces connected through the edge in the current shape |
1292 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
1293 | if (aList.Extent() < 2) { |
1294 | continue; |
1295 | } |
1296 | |
f16a6cc5 |
1297 | // for a planar face create and store pcurve of edge on face |
1298 | // to speed up all operations |
1299 | if (!mySafeInputMode && aBaseSurface->IsKind(STANDARD_TYPE(Geom_Plane))) |
1300 | BRepLib::BuildPCurveForEdgeOnPlane(edge, aFace); |
1301 | |
10ce3246 |
1302 | // get normal of the face to compare it with normals of other faces |
1303 | gp_Dir aDN1; |
1304 | // |
1305 | // take intermediate point on edge to compute the normal |
1306 | Standard_Real f, l; |
1307 | BRep_Tool::Range(edge, f, l); |
1308 | Standard_Real aTMid = (f + l) * .5; |
1309 | // |
1310 | Standard_Boolean bCheckNormals = GetNormalToSurface(aFaceOriginal, edge, aTMid, aDN1); |
1311 | // |
f523acf0 |
1312 | // Process the faces |
56091b56 |
1313 | TopTools_ListIteratorOfListOfShape anIter(aList); |
1314 | for (; anIter.More(); anIter.Next()) { |
10ce3246 |
1315 | const TopoDS_Face& aCheckedFaceOriginal = TopoDS::Face(anIter.Value()); |
1316 | TopoDS_Face anCheckedFace = TopoDS::Face(aCheckedFaceOriginal.Oriented(TopAbs_FORWARD)); |
56091b56 |
1317 | if (anCheckedFace.IsSame(aFace)) |
fe1a6e4e |
1318 | continue; |
2277323d |
1319 | |
56091b56 |
1320 | if (aProcessed.Contains(anCheckedFace)) |
1321 | continue; |
2277323d |
1322 | |
10ce3246 |
1323 | if (bCheckNormals) { |
1324 | // get normal of checked face using the same parameter on edge |
1325 | gp_Dir aDN2; |
1326 | if (GetNormalToSurface(aCheckedFaceOriginal, edge, aTMid, aDN2)) { |
1327 | // and check if the adjacent faces are having approximately same normals |
1328 | Standard_Real anAngle = aDN1.Angle(aDN2); |
1329 | if (anAngle > myAngTol) { |
1330 | continue; |
1331 | } |
1332 | } |
1333 | } |
1334 | // |
2ba9eb30 |
1335 | if (IsSameDomain(aFace,anCheckedFace, myLinTol, myAngTol)) { |
f0144633 |
1336 | |
56091b56 |
1337 | // hotfix for 27271: prevent merging along periodic direction. |
d3dadd23 |
1338 | if (IsLikeSeam(edge, anCheckedFace, aBaseSurface)) |
56091b56 |
1339 | continue; |
2277323d |
1340 | |
f523acf0 |
1341 | if (AddOrdinaryEdges(edges,anCheckedFace,dummy)) { |
56091b56 |
1342 | // sequence edges is modified |
1343 | i = dummy; |
2277323d |
1344 | } |
56091b56 |
1345 | |
1346 | faces.Append(anCheckedFace); |
1347 | aProcessed.Add(anCheckedFace); |
1348 | break; |
2277323d |
1349 | } |
1350 | } |
56091b56 |
1351 | } |
2277323d |
1352 | |
56091b56 |
1353 | if (faces.Length() > 1) { |
1354 | // fill in the connectivity map for selected faces |
1355 | TopTools_IndexedDataMapOfShapeListOfShape aMapEF; |
1356 | for (i = 1; i <= faces.Length(); i++) { |
1357 | TopExp::MapShapesAndAncestors(faces(i), TopAbs_EDGE, TopAbs_FACE, aMapEF); |
1358 | } |
f523acf0 |
1359 | // Collect keep edges and multi-connected edges, i.e. edges that are internal to |
56091b56 |
1360 | // the set of selected faces and have connections to other faces. |
9ed6494b |
1361 | TopTools_ListOfShape aKeepEdges; |
56091b56 |
1362 | for (i = 1; i <= aMapEF.Extent(); i++) { |
1363 | const TopTools_ListOfShape& aLF = aMapEF(i); |
1364 | if (aLF.Extent() == 2) { |
1365 | const TopoDS_Shape& aE = aMapEF.FindKey(i); |
1366 | const TopTools_ListOfShape& aGLF = theGMapEdgeFaces.FindFromKey(aE); |
9ed6494b |
1367 | if (aGLF.Extent() > 2 || myKeepShapes.Contains(aE)) { |
1368 | aKeepEdges.Append(aE); |
fe1a6e4e |
1369 | } |
1370 | } |
9ed6494b |
1371 | } |
1372 | if (!aKeepEdges.IsEmpty()) { |
1373 | if (!myAllowInternal) { |
1374 | // Remove from the selection the faces which have no other connect edges |
f523acf0 |
1375 | // and contain multi-connected edges and/or keep edges. |
56091b56 |
1376 | TopTools_MapOfShape anAvoidFaces; |
9ed6494b |
1377 | TopTools_ListIteratorOfListOfShape it(aKeepEdges); |
56091b56 |
1378 | for (; it.More(); it.Next()) { |
1379 | const TopoDS_Shape& aE = it.Value(); |
1380 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1381 | anAvoidFaces.Add(aLF.First()); |
1382 | anAvoidFaces.Add(aLF.Last()); |
1383 | } |
9ed6494b |
1384 | for (i = 1; i <= faces.Length(); i++) { |
56091b56 |
1385 | if (anAvoidFaces.Contains(faces(i))) { |
1386 | // update the boundaries of merged area, for that |
1387 | // remove from 'edges' the edges of this face and add to 'edges' |
1388 | // the edges of this face that were not present in 'edges' before |
9ed6494b |
1389 | Standard_Boolean hasConnectAnotherFaces = Standard_False; |
56091b56 |
1390 | TopExp_Explorer ex(faces(i), TopAbs_EDGE); |
9ed6494b |
1391 | for (; ex.More() && !hasConnectAnotherFaces; ex.Next()) { |
56091b56 |
1392 | TopoDS_Shape aE = ex.Current(); |
9ed6494b |
1393 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1394 | if (aLF.Extent() > 1) { |
1395 | for (it.Init(aLF); it.More() && !hasConnectAnotherFaces; it.Next()) { |
1396 | if (!anAvoidFaces.Contains(it.Value())) |
1397 | hasConnectAnotherFaces = Standard_True; |
1398 | } |
1399 | } |
1400 | } |
1401 | if (!hasConnectAnotherFaces) { |
1402 | AddOrdinaryEdges(edges, faces(i), dummy); |
1403 | faces.Remove(i); |
1404 | i--; |
1405 | } |
1406 | } |
1407 | } |
1408 | // check if the faces with keep edges contained in |
1409 | // already updated the boundaries of merged area |
1410 | if (!faces.IsEmpty()) { |
1411 | TopTools_MapOfShape aMapFaces; |
1412 | for (i = 1; i <= faces.Length(); i++) { |
1413 | aMapFaces.Add(faces(i)); |
1414 | } |
1415 | for (it.Init(aKeepEdges); it.More(); it.Next()) { |
1416 | const TopoDS_Shape& aE = it.Value(); |
1417 | const TopTools_ListOfShape& aLF = aMapEF.FindFromKey(aE); |
1418 | if (aLF.Extent() < 2) |
1419 | continue; |
1420 | if (aMapFaces.Contains(aLF.First()) && |
1421 | aMapFaces.Contains(aLF.Last())) { |
1422 | for (i = 1; i <= faces.Length(); i++) { |
1423 | if (faces(i).IsEqual(aLF.First()) || |
1424 | faces(i).IsEqual(aLF.Last())) { |
1425 | AddOrdinaryEdges(edges, faces(i), dummy); |
1426 | faces.Remove(i); |
1427 | i--; |
1428 | } |
cb120537 |
1429 | } |
cb120537 |
1430 | } |
fe1a6e4e |
1431 | } |
1432 | } |
56091b56 |
1433 | } |
1434 | else { |
f523acf0 |
1435 | // add multi-connected and keep edges as internal in new face |
9ed6494b |
1436 | TopTools_ListIteratorOfListOfShape it(aKeepEdges); |
56091b56 |
1437 | for (; it.More(); it.Next()) { |
1438 | const TopoDS_Shape& aE = it.Value(); |
1439 | edges.Append(aE.Oriented(TopAbs_INTERNAL)); |
fe1a6e4e |
1440 | } |
1441 | } |
1442 | } |
56091b56 |
1443 | } |
fe1a6e4e |
1444 | |
56091b56 |
1445 | // all faces collected in the sequence. Perform union of faces |
1446 | if (faces.Length() > 1) { |
56091b56 |
1447 | TopoDS_Face aResult; |
1448 | BRep_Builder B; |
1449 | B.MakeFace(aResult,aBaseSurface,aBaseLocation,0); |
1450 | Standard_Integer nbWires = 0; |
1451 | |
f16a6cc5 |
1452 | TopoDS_Face tmpF = TopoDS::Face(faces(1).Oriented(TopAbs_FORWARD)); |
20aa0d3f |
1453 | |
56091b56 |
1454 | // connecting wires |
1455 | while (edges.Length()>0) { |
1456 | |
1457 | Standard_Boolean isEdge3d = Standard_False; |
1458 | nbWires++; |
1459 | TopTools_MapOfShape aVertices; |
1460 | TopoDS_Wire aWire; |
1461 | B.MakeWire(aWire); |
1462 | |
1463 | TopoDS_Edge anEdge = TopoDS::Edge(edges(1)); |
1464 | edges.Remove(1); |
1465 | // collect internal edges in separate wires |
1466 | Standard_Boolean isInternal = (anEdge.Orientation() == TopAbs_INTERNAL); |
1467 | |
1468 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
1469 | B.Add(aWire,anEdge); |
1470 | TopoDS_Vertex V1,V2; |
1471 | TopExp::Vertices(anEdge,V1,V2); |
1472 | aVertices.Add(V1); |
1473 | aVertices.Add(V2); |
1474 | |
1475 | Standard_Boolean isNewFound = Standard_False; |
1476 | do { |
1477 | isNewFound = Standard_False; |
1478 | for(Standard_Integer j = 1; j <= edges.Length(); j++) { |
1479 | anEdge = TopoDS::Edge(edges(j)); |
1480 | // check if the current edge orientation corresponds to the first one |
1481 | Standard_Boolean isCurrInternal = (anEdge.Orientation() == TopAbs_INTERNAL); |
1482 | if (isCurrInternal != isInternal) |
1483 | continue; |
1484 | TopExp::Vertices(anEdge,V1,V2); |
1485 | if(aVertices.Contains(V1) || aVertices.Contains(V2)) { |
1486 | isEdge3d |= !BRep_Tool::Degenerated(anEdge); |
1487 | aVertices.Add(V1); |
1488 | aVertices.Add(V2); |
1489 | B.Add(aWire,anEdge); |
1490 | edges.Remove(j); |
1491 | j--; |
1492 | isNewFound = Standard_True; |
2277323d |
1493 | } |
2277323d |
1494 | } |
56091b56 |
1495 | } while (isNewFound); |
1496 | |
1497 | // sorting any type of edges |
1498 | aWire.Closed (BRep_Tool::IsClosed (aWire)); |
56091b56 |
1499 | |
1500 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire(aWire,tmpF,Precision::Confusion()); |
632175c3 |
1501 | if (mySafeInputMode) |
1502 | sfw->SetContext(myContext); |
56091b56 |
1503 | sfw->FixReorder(); |
1504 | Standard_Boolean isDegRemoved = Standard_False; |
1505 | if(!sfw->StatusReorder ( ShapeExtend_FAIL )) { |
1506 | // clear degenerated edges if at least one with 3d curve exist |
2277323d |
1507 | if(isEdge3d) { |
56091b56 |
1508 | Handle(ShapeExtend_WireData) sewd = sfw->WireData(); |
1509 | for(Standard_Integer j = 1; j<=sewd->NbEdges();j++) { |
1510 | TopoDS_Edge E = sewd->Edge(j); |
1511 | if(BRep_Tool::Degenerated(E)) { |
1512 | sewd->Remove(j); |
1513 | isDegRemoved = Standard_True; |
1514 | j--; |
2277323d |
1515 | } |
2277323d |
1516 | } |
2277323d |
1517 | } |
56091b56 |
1518 | sfw->FixShifted(); |
1519 | if(isDegRemoved) |
1520 | sfw->FixDegenerated(); |
2277323d |
1521 | } |
f16a6cc5 |
1522 | aWire = sfw->Wire(); |
2277323d |
1523 | |
56091b56 |
1524 | // add resulting wire |
1525 | if(isEdge3d) { |
f16a6cc5 |
1526 | B.Add(aResult,aWire); |
56091b56 |
1527 | } |
1528 | else { |
1529 | // sorting edges |
1530 | Handle(ShapeExtend_WireData) sbwd = sfw->WireData(); |
1531 | Standard_Integer nbEdges = sbwd->NbEdges(); |
1532 | // sort degenerated edges and create one edge instead of several ones |
1533 | ShapeAnalysis_WireOrder sawo(Standard_False, 0); |
1534 | ShapeAnalysis_Edge sae; |
1535 | Standard_Integer aLastEdge = nbEdges; |
1536 | for(Standard_Integer j = 1; j <= nbEdges; j++) { |
1537 | Standard_Real f,l; |
1538 | //smh protection on NULL pcurve |
1539 | Handle(Geom2d_Curve) c2d; |
1540 | if(!sae.PCurve(sbwd->Edge(j),tmpF,c2d,f,l)) { |
1541 | aLastEdge--; |
1542 | continue; |
38c2acd4 |
1543 | } |
56091b56 |
1544 | sawo.Add(c2d->Value(f).XY(),c2d->Value(l).XY()); |
2277323d |
1545 | } |
d3dadd23 |
1546 | if (sawo.NbEdges() == 0) |
1547 | continue; |
56091b56 |
1548 | sawo.Perform(); |
1549 | |
1550 | // constructind one degenerative edge |
1551 | gp_XY aStart, anEnd, tmp; |
1552 | Standard_Integer nbFirst = sawo.Ordered(1); |
1553 | TopoDS_Edge anOrigE = TopoDS::Edge(sbwd->Edge(nbFirst).Oriented(TopAbs_FORWARD)); |
1554 | ShapeBuild_Edge sbe; |
1555 | TopoDS_Vertex aDummyV; |
1556 | TopoDS_Edge E = sbe.CopyReplaceVertices(anOrigE,aDummyV,aDummyV); |
1557 | sawo.XY(nbFirst,aStart,tmp); |
1558 | sawo.XY(sawo.Ordered(aLastEdge),tmp,anEnd); |
1559 | |
1560 | gp_XY aVec = anEnd-aStart; |
1561 | Handle(Geom2d_Line) aLine = new Geom2d_Line(aStart,gp_Dir2d(anEnd-aStart)); |
1562 | |
1563 | B.UpdateEdge(E,aLine,tmpF,0.); |
1564 | B.Range(E,tmpF,0.,aVec.Modulus()); |
1565 | Handle(Geom_Curve) C3d; |
1566 | B.UpdateEdge(E,C3d,0.); |
1567 | B.Degenerated(E,Standard_True); |
1568 | TopoDS_Wire aW; |
1569 | B.MakeWire(aW); |
1570 | B.Add(aW,E); |
1571 | aW.Closed (Standard_True); |
1572 | B.Add(aResult,aW); |
1573 | } |
1574 | } |
2277323d |
1575 | |
56091b56 |
1576 | ShapeFix_Face sff (aResult); |
f523acf0 |
1577 | //Initializing by tolerances |
56091b56 |
1578 | sff.SetPrecision(Precision::Confusion()); |
f523acf0 |
1579 | sff.SetMinTolerance(Precision::Confusion()); |
56091b56 |
1580 | sff.SetMaxTolerance(1.); |
1581 | //Setting modes |
f16a6cc5 |
1582 | SetFixWireModes(sff); |
1583 | if (mySafeInputMode) |
1584 | sff.SetContext(myContext); |
56091b56 |
1585 | // Applying the fixes |
1586 | sff.Perform(); |
f16a6cc5 |
1587 | if(!sff.Status(ShapeExtend_FAIL)) |
1588 | { |
1589 | // perform substitution of faces |
1590 | aResult = sff.Face(); |
1591 | myContext->Merge(faces, aResult); |
2277323d |
1592 | } |
56091b56 |
1593 | } |
1594 | } // end processing each face |
2277323d |
1595 | } |
1596 | |
1597 | //======================================================================= |
1598 | //function : UnifyEdges |
1599 | //purpose : |
1600 | //======================================================================= |
2277323d |
1601 | void ShapeUpgrade_UnifySameDomain::UnifyEdges() |
1602 | { |
632175c3 |
1603 | TopoDS_Shape aRes = myContext->Apply(myShape); |
2277323d |
1604 | |
ce41efde |
1605 | TopTools_IndexedMapOfShape ChangedFaces; |
2277323d |
1606 | |
ce41efde |
1607 | // creating map of edge faces |
1608 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgeFaces; |
632175c3 |
1609 | TopExp::MapShapesAndAncestors(aRes, TopAbs_EDGE, TopAbs_FACE, aMapEdgeFaces); |
ce41efde |
1610 | |
1611 | // creating map of vertex edges |
1612 | TopTools_IndexedDataMapOfShapeListOfShape aMapEdgesVertex; |
632175c3 |
1613 | TopExp::MapShapesAndUniqueAncestors(aRes, TopAbs_VERTEX, TopAbs_EDGE, aMapEdgesVertex); |
f7d70540 |
1614 | |
1615 | TopTools_MapOfShape SharedVert; |
1616 | |
f7d70540 |
1617 | TopTools_IndexedMapOfShape anOldEdges; |
1618 | TopExp::MapShapes(myInitShape, TopAbs_EDGE, anOldEdges); |
1619 | |
1620 | TopTools_DataMapOfShapeShape NewEdges2OldEdges; |
1621 | for (int i = 1; i <= anOldEdges.Extent(); i++) |
1622 | { |
632175c3 |
1623 | const TopoDS_Shape& anOldEdge = anOldEdges(i); |
1624 | TopoDS_Shape aNewEdge = myContext->Apply(anOldEdge); |
1625 | if (!aNewEdge.IsNull() && !aNewEdge.IsSame(anOldEdge)) |
1626 | NewEdges2OldEdges.Bind(aNewEdge, anOldEdge); |
f7d70540 |
1627 | } |
ce41efde |
1628 | |
632175c3 |
1629 | if (mySafeInputMode) |
1630 | UpdateMapOfShapes(myKeepShapes, myContext); |
1631 | |
ce41efde |
1632 | TopExp_Explorer exp; |
f7d70540 |
1633 | // processing separate wires |
1634 | for (exp.Init(aRes, TopAbs_WIRE, TopAbs_FACE); exp.More(); exp.Next()) |
1635 | { |
1636 | TopTools_SequenceOfShape SeqEdges; |
1637 | TopExp_Explorer expE(exp.Current(), TopAbs_EDGE); |
1638 | for (; expE.More(); expE.Next()) |
1639 | SeqEdges.Append(expE.Current()); |
1640 | SharedVert.Clear(); |
9ed6494b |
1641 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
654c48b2 |
1642 | MergeSeq(SeqEdges, myAngTol, myConcatBSplines, mySafeInputMode, myContext, |
f523acf0 |
1643 | SharedVert); |
f7d70540 |
1644 | } |
1645 | |
1646 | // processing each face |
ce41efde |
1647 | for (exp.Init(aRes, TopAbs_FACE); exp.More(); exp.Next()) { |
632175c3 |
1648 | TopoDS_Shape aFace = exp.Current().Oriented(TopAbs_FORWARD); |
ce41efde |
1649 | TopTools_IndexedDataMapOfShapeListOfShape aMapFacesEdges; |
f7d70540 |
1650 | TopTools_SequenceOfShape aNonSharedEdges; |
ce41efde |
1651 | for (TopExp_Explorer expe(aFace,TopAbs_EDGE); expe.More(); expe.Next()) { |
1652 | TopoDS_Edge edge = TopoDS::Edge(expe.Current()); |
ce41efde |
1653 | const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge); |
1654 | TopTools_ListIteratorOfListOfShape anIter(aList); |
f7d70540 |
1655 | Standard_Integer NbFacesPerEdge = aList.Extent(); |
ce41efde |
1656 | for ( ; anIter.More(); anIter.Next()) { |
632175c3 |
1657 | const TopoDS_Shape& aFace1 = anIter.Value(); |
1658 | if (aFace1.IsSame(aFace) && NbFacesPerEdge != 1) |
f7d70540 |
1659 | continue; |
1660 | if (NbFacesPerEdge == 1) |
1661 | //store non-shared edges separately |
1662 | aNonSharedEdges.Append(edge); |
1663 | else |
1664 | { |
632175c3 |
1665 | if (aMapFacesEdges.Contains(aFace1)) |
1666 | aMapFacesEdges.ChangeFromKey(aFace1).Append(edge); |
f7d70540 |
1667 | else |
1668 | { |
1669 | TopTools_ListOfShape ListEdges; |
1670 | ListEdges.Append(edge); |
632175c3 |
1671 | aMapFacesEdges.Add(aFace1, ListEdges); |
f7d70540 |
1672 | } |
2277323d |
1673 | } |
1674 | } |
ce41efde |
1675 | } |
f7d70540 |
1676 | |
1677 | for (Standard_Integer i=1; i<=aMapFacesEdges.Extent(); i++) |
1678 | { |
ce41efde |
1679 | const TopTools_ListOfShape& ListEdges = aMapFacesEdges.FindFromIndex(i); |
1680 | TopTools_SequenceOfShape SeqEdges; |
ce41efde |
1681 | TopTools_ListIteratorOfListOfShape anIter(ListEdges); |
ce41efde |
1682 | for ( ; anIter.More(); anIter.Next()) |
1683 | SeqEdges.Append(anIter.Value()); |
1684 | if (SeqEdges.Length()==1) |
1685 | continue; |
2277323d |
1686 | |
f7d70540 |
1687 | SharedVert.Clear(); |
9ed6494b |
1688 | CheckSharedVertices(SeqEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
632175c3 |
1689 | if (MergeSeq(SeqEdges, myAngTol, myConcatBSplines, mySafeInputMode, |
f523acf0 |
1690 | myContext, SharedVert)) |
2277323d |
1691 | { |
ce41efde |
1692 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
1693 | if ( !ChangedFaces.Contains(tmpF) ) |
1694 | ChangedFaces.Add(tmpF); |
1695 | tmpF = TopoDS::Face(aMapFacesEdges.FindKey(i)); |
1696 | if ( !ChangedFaces.Contains(tmpF) ) |
1697 | ChangedFaces.Add(tmpF); |
2277323d |
1698 | } |
ce41efde |
1699 | } |
f7d70540 |
1700 | |
1701 | if ( aNonSharedEdges.Length() > 1 ) |
1702 | { |
1703 | SharedVert.Clear(); |
9ed6494b |
1704 | CheckSharedVertices(aNonSharedEdges, aMapEdgesVertex, myKeepShapes, SharedVert); |
632175c3 |
1705 | if (MergeSeq(aNonSharedEdges, myAngTol, myConcatBSplines, mySafeInputMode, |
f523acf0 |
1706 | myContext, SharedVert)) |
f7d70540 |
1707 | { |
1708 | TopoDS_Face tmpF = TopoDS::Face(exp.Current()); |
1709 | if ( !ChangedFaces.Contains(tmpF) ) |
1710 | ChangedFaces.Add(tmpF); |
1711 | } |
1712 | } |
ce41efde |
1713 | |
1714 | } // end processing each face |
1715 | |
1716 | // fix changed faces and replace them in the local context |
632175c3 |
1717 | Standard_Real aPrec = Precision::Confusion(); |
1718 | for (Standard_Integer i = 1; i <= ChangedFaces.Extent(); i++) { |
ce41efde |
1719 | TopoDS_Face aFace = TopoDS::Face(myContext->Apply(ChangedFaces.FindKey(i))); |
f7d70540 |
1720 | if (aFace.IsNull()) |
1721 | continue; |
f16a6cc5 |
1722 | |
1723 | // for a planar face create and store pcurve of edge on face |
1724 | // to speed up all operations; but this is allowed only when non-safe mode in force |
1725 | if (!mySafeInputMode) |
1726 | { |
1727 | TopLoc_Location aLoc; |
1728 | Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace, aLoc); |
1729 | aSurface = ClearRts(aSurface); |
1730 | if (aSurface->IsKind(STANDARD_TYPE(Geom_Plane))) |
1731 | { |
1732 | TopTools_ListOfShape aLE; |
1733 | for (TopExp_Explorer anEx(aFace, TopAbs_EDGE); anEx.More(); anEx.Next()) |
1734 | aLE.Append(anEx.Current()); |
1735 | BRepLib::BuildPCurveForEdgesOnPlane(aLE, aFace); |
1736 | } |
1737 | } |
1738 | |
1739 | ShapeFix_Face sff(aFace); |
1740 | if (mySafeInputMode) |
1741 | sff.SetContext(myContext); |
1742 | sff.SetPrecision(aPrec); |
1743 | sff.SetMinTolerance(aPrec); |
1744 | sff.SetMaxTolerance(Max(1., aPrec*1000.)); |
1745 | sff.FixOrientationMode() = 0; |
1746 | sff.FixAddNaturalBoundMode() = 0; |
1747 | sff.FixIntersectingWiresMode() = 0; |
1748 | sff.FixLoopWiresMode() = 0; |
1749 | sff.FixSplitFaceMode() = 0; |
1750 | sff.FixPeriodicDegeneratedMode() = 0; |
1751 | SetFixWireModes(sff); |
1752 | sff.Perform(); |
1753 | TopoDS_Shape aNewFace = sff.Face(); |
ce41efde |
1754 | myContext->Replace(aFace,aNewFace); |
ce41efde |
1755 | } |
1756 | |
1757 | if (ChangedFaces.Extent() > 0) { |
1758 | // fix changed shell and replace it in the local context |
ce41efde |
1759 | TopoDS_Shape aRes1 = myContext->Apply(aRes); |
632175c3 |
1760 | Standard_Boolean isChanged = Standard_False; |
ce41efde |
1761 | TopExp_Explorer expsh; |
1762 | for (expsh.Init(aRes1, TopAbs_SHELL); expsh.More(); expsh.Next()) { |
1763 | TopoDS_Shell aShell = TopoDS::Shell(expsh.Current()); |
1764 | Handle(ShapeFix_Shell) sfsh = new ShapeFix_Shell; |
1765 | sfsh->FixFaceOrientation(aShell); |
1766 | TopoDS_Shape aNewShell = sfsh->Shell(); |
632175c3 |
1767 | if (!aNewShell.IsSame(aShell)) { |
1768 | myContext->Replace(aShell, aNewShell); |
1769 | isChanged = Standard_True; |
2277323d |
1770 | } |
ce41efde |
1771 | } |
632175c3 |
1772 | if (isChanged) |
1773 | aRes1 = myContext->Apply(aRes1); |
1774 | myContext->Replace(myShape, aRes1); |
ce41efde |
1775 | } |
2277323d |
1776 | |
1777 | myShape = myContext->Apply(myShape); |
1778 | } |
1779 | |
2277323d |
1780 | //======================================================================= |
1781 | //function : Build |
1782 | //purpose : builds the resulting shape |
f523acf0 |
1783 | //======================================================================= |
2277323d |
1784 | void ShapeUpgrade_UnifySameDomain::Build() |
1785 | { |
f16a6cc5 |
1786 | if (myUnifyFaces) |
2277323d |
1787 | UnifyFaces(); |
f16a6cc5 |
1788 | if (myUnifyEdges) |
1789 | UnifyEdges(); |
2277323d |
1790 | |
f523acf0 |
1791 | // Fill the history of modifications during the operation |
1792 | FillHistory(); |
1793 | } |
1794 | |
1795 | //======================================================================= |
1796 | //function : FillHistory |
1797 | //purpose : Fill the history of modifications during the operation |
1798 | //======================================================================= |
1799 | void ShapeUpgrade_UnifySameDomain::FillHistory() |
1800 | { |
1801 | if (myHistory.IsNull()) |
1802 | // History is not requested |
1803 | return; |
1804 | |
1805 | // Only Vertices, Edges and Faces can be modified during unification. |
1806 | // Thus, only these kind of shapes should be checked. |
1807 | |
1808 | // Get history from the context. |
1809 | // It contains all modifications of the operation. Some of these |
1810 | // modifications become not relevant and should be filtered. |
1811 | Handle(BRepTools_History) aCtxHistory = myContext->History(); |
1812 | |
1813 | // Explore the history of the context and fill |
1814 | // the history of UnifySameDomain algorithm |
1815 | Handle(BRepTools_History) aUSDHistory = new BRepTools_History(); |
1816 | |
1817 | // Map all Vertices, Edges and Faces in the input shape |
1818 | TopTools_IndexedMapOfShape aMapInputShape; |
1819 | TopExp::MapShapes(myInitShape, TopAbs_VERTEX, aMapInputShape); |
1820 | TopExp::MapShapes(myInitShape, TopAbs_EDGE , aMapInputShape); |
1821 | TopExp::MapShapes(myInitShape, TopAbs_FACE , aMapInputShape); |
1822 | |
1823 | // Map all Vertices, Edges and Faces in the result shape |
1824 | TopTools_IndexedMapOfShape aMapResultShapes; |
1825 | TopExp::MapShapes(myShape, TopAbs_VERTEX, aMapResultShapes); |
1826 | TopExp::MapShapes(myShape, TopAbs_EDGE , aMapResultShapes); |
1827 | TopExp::MapShapes(myShape, TopAbs_FACE , aMapResultShapes); |
1828 | |
1829 | // Iterate on all input shapes and get their modifications |
1830 | Standard_Integer i, aNb = aMapInputShape.Extent(); |
1831 | for (i = 1; i <= aNb; ++i) |
654c48b2 |
1832 | { |
f523acf0 |
1833 | const TopoDS_Shape& aS = aMapInputShape(i); |
1834 | |
1835 | // Check the shape itself to be present in the result |
1836 | if (aMapResultShapes.Contains(aS)) |
1837 | { |
1838 | // The shape is present in the result as is, thus has not been modified |
1839 | continue; |
1840 | } |
1841 | |
1842 | // Check if the shape has been modified during the operation |
1843 | const TopTools_ListOfShape& aLSImages = aCtxHistory->Modified(aS); |
1844 | if (aLSImages.IsEmpty()) |
1845 | { |
1846 | // The shape has not been modified and not present in the result, |
1847 | // thus it has been removed |
1848 | aUSDHistory->Remove(aS); |
1849 | continue; |
1850 | } |
1851 | |
1852 | // Check the images of the shape to be present in the result |
1853 | Standard_Boolean bRemoved = Standard_True; |
1854 | TopTools_ListIteratorOfListOfShape aItLSIm(aLSImages); |
1855 | for (; aItLSIm.More(); aItLSIm.Next()) |
1856 | { |
1857 | if (aMapResultShapes.Contains(aItLSIm.Value())) |
1858 | { |
1859 | // Image is found in the result, thus the shape has been modified |
1860 | aUSDHistory->AddModified(aS, aItLSIm.Value()); |
1861 | bRemoved = Standard_False; |
1862 | } |
1863 | } |
1864 | |
1865 | if (bRemoved) |
654c48b2 |
1866 | { |
f523acf0 |
1867 | // No images are found in the result, thus the shape has been removed |
1868 | aUSDHistory->Remove(aS); |
654c48b2 |
1869 | } |
20aa0d3f |
1870 | } |
f7d70540 |
1871 | |
f523acf0 |
1872 | // Merge the history of the operation into global history |
1873 | myHistory->Merge(aUSDHistory); |
2277323d |
1874 | } |