b311480e |
1 | // Created on: 1995-10-23 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1995-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <Bnd_Box2d.hxx> |
19 | #include <BndLib_Add3dCurve.hxx> |
20 | #include <BOPAlgo_PaveFiller.hxx> |
21 | #include <BOPDS_DS.hxx> |
22 | #include <BOPTools_AlgoTools2D.hxx> |
23 | #include <BRep_CurveRepresentation.hxx> |
24 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
25 | #include <BRep_TEdge.hxx> |
26 | #include <BRep_Tool.hxx> |
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27 | #include <BRepAdaptor_Curve.hxx> |
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28 | #include <BRepAdaptor_Curve2d.hxx> |
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29 | #include <BRepAdaptor_HCurve.hxx> |
30 | #include <BRepAdaptor_HSurface.hxx> |
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31 | #include <BRepAdaptor_Surface.hxx> |
32 | #include <BRepAlgo_AsDes.hxx> |
33 | #include <BRepAlgo_Image.hxx> |
34 | #include <BRepAlgo_Tool.hxx> |
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35 | #include <BRepBndLib.hxx> |
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36 | #include <BRepLib.hxx> |
37 | #include <BRepLib_MakeEdge.hxx> |
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38 | #include <BRepLib_MakeFace.hxx> |
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39 | #include <BRepLib_MakePolygon.hxx> |
40 | #include <BRepLib_MakeVertex.hxx> |
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41 | #include <BRepLib_MakeWire.hxx> |
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42 | #include <BRepOffset_Analyse.hxx> |
43 | #include <BRepOffset_Interval.hxx> |
44 | #include <BRepOffset_ListOfInterval.hxx> |
45 | #include <BRepOffset_Tool.hxx> |
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46 | #include <BRepTools.hxx> |
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47 | #include <BRepTools_Modifier.hxx> |
48 | #include <BRepTools_TrsfModification.hxx> |
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49 | #include <BRepTools_WireExplorer.hxx> |
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50 | #include <BRepTopAdaptor_FClass2d.hxx> |
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51 | #include <ElCLib.hxx> |
52 | #include <ElSLib.hxx> |
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53 | #include <Extrema_ExtPC.hxx> |
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54 | #include <Extrema_ExtPC2d.hxx> |
55 | #include <GCPnts_AbscissaPoint.hxx> |
56 | #include <GCPnts_QuasiUniformDeflection.hxx> |
57 | #include <GCPnts_UniformAbscissa.hxx> |
58 | #include <Geom2d_BezierCurve.hxx> |
59 | #include <Geom2d_BSplineCurve.hxx> |
60 | #include <Geom2d_Circle.hxx> |
61 | #include <Geom2d_Curve.hxx> |
62 | #include <Geom2d_Ellipse.hxx> |
63 | #include <Geom2d_Hyperbola.hxx> |
64 | #include <Geom2d_Line.hxx> |
65 | #include <Geom2d_Parabola.hxx> |
66 | #include <Geom2d_TrimmedCurve.hxx> |
67 | #include <Geom2dAdaptor_Curve.hxx> |
68 | #include <Geom2dConvert_ApproxCurve.hxx> |
69 | #include <Geom2dConvert_CompCurveToBSplineCurve.hxx> |
70 | #include <Geom2dInt_GInter.hxx> |
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71 | #include <Geom_BezierSurface.hxx> |
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72 | #include <Geom_BSplineCurve.hxx> |
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73 | #include <Geom_BSplineSurface.hxx> |
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74 | #include <Geom_Conic.hxx> |
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75 | #include <Geom_ConicalSurface.hxx> |
76 | #include <Geom_Curve.hxx> |
77 | #include <Geom_Line.hxx> |
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78 | #include <Geom_OffsetSurface.hxx> |
9b0fb8cd |
79 | #include <Geom_Plane.hxx> |
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80 | #include <Geom_RectangularTrimmedSurface.hxx> |
81 | #include <Geom_Surface.hxx> |
82 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
83 | #include <Geom_SurfaceOfRevolution.hxx> |
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84 | #include <Geom_TrimmedCurve.hxx> |
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85 | #include <GeomAdaptor_Surface.hxx> |
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86 | #include <GeomAPI.hxx> |
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87 | #include <GeomAPI_ExtremaCurveCurve.hxx> |
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88 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
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89 | #include <GeomConvert_ApproxCurve.hxx> |
90 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
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91 | #include <GeomInt_IntSS.hxx> |
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92 | #include <GeomLib.hxx> |
93 | #include <GeomProjLib.hxx> |
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94 | #include <gp.hxx> |
95 | #include <gp_Pnt.hxx> |
96 | #include <gp_Vec.hxx> |
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97 | #include <IntRes2d_IntersectionPoint.hxx> |
98 | #include <IntRes2d_IntersectionSegment.hxx> |
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99 | #include <Precision.hxx> |
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100 | #include <ProjLib_HProjectedCurve.hxx> |
101 | #include <ProjLib_ProjectedCurve.hxx> |
102 | #include <ShapeCustom_Curve2d.hxx> |
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103 | #include <Standard_ConstructionError.hxx> |
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104 | #include <TColgp_Array1OfPnt2d.hxx> |
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105 | #include <TopAbs.hxx> |
106 | #include <TopExp.hxx> |
107 | #include <TopExp_Explorer.hxx> |
108 | #include <TopoDS.hxx> |
109 | #include <TopoDS_Compound.hxx> |
110 | #include <TopoDS_Edge.hxx> |
111 | #include <TopoDS_Face.hxx> |
112 | #include <TopoDS_Iterator.hxx> |
113 | #include <TopoDS_Shape.hxx> |
114 | #include <TopoDS_Vertex.hxx> |
115 | #include <TopoDS_Wire.hxx> |
116 | #include <TopOpeBRep_DSFiller.hxx> |
117 | #include <TopOpeBRep_FacesFiller.hxx> |
118 | #include <TopOpeBRep_GeomTool.hxx> |
119 | #include <TopOpeBRep_ShapeIntersector.hxx> |
120 | #include <TopOpeBRepBuild_Builder.hxx> |
121 | #include <TopOpeBRepDS_CurveExplorer.hxx> |
122 | #include <TopOpeBRepDS_HDataStructure.hxx> |
123 | #include <TopOpeBRepTool_GeomTool.hxx> |
124 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
125 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
126 | #include <TopTools_SequenceOfShape.hxx> |
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127 | |
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128 | #include <stdio.h> |
129 | //tma: for new boolean operation |
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130 | #ifdef DRAW |
131 | #include <DBRep.hxx> |
ec357c5c |
132 | #include <Geom2d_Conic.hxx> |
133 | #include <Geom_ElementarySurface.hxx> |
134 | #include <Geom_BoundedCurve.hxx> |
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135 | Standard_Boolean AffichInter = Standard_False; |
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136 | static Standard_Integer NbNewEdges = 1; |
137 | static Standard_Integer NbFaces = 1; |
138 | static Standard_Integer NbFOB = 1; |
139 | static Standard_Integer NbFTE = 1; |
140 | static Standard_Integer NbExtE = 1; |
7fd59977 |
141 | #endif |
142 | |
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143 | #ifdef OCCT_DEBUG |
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144 | static Standard_Boolean AffichExtent = Standard_False; |
145 | #endif |
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146 | |
147 | //======================================================================= |
148 | //function : EdgeVertices |
149 | //purpose : |
150 | //======================================================================= |
151 | |
152 | void BRepOffset_Tool::EdgeVertices (const TopoDS_Edge& E, |
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153 | TopoDS_Vertex& V1, |
154 | TopoDS_Vertex& V2) |
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155 | { |
156 | if (E.Orientation() == TopAbs_REVERSED) { |
157 | TopExp::Vertices(E,V2,V1); |
158 | } |
159 | else { |
160 | TopExp::Vertices(E,V1,V2); |
161 | } |
162 | } |
163 | |
164 | //======================================================================= |
165 | //function : OriEdgeInFace |
166 | //purpose : |
167 | //======================================================================= |
168 | |
169 | TopAbs_Orientation BRepOffset_Tool::OriEdgeInFace (const TopoDS_Edge& E, |
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170 | const TopoDS_Face& F ) |
171 | |
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172 | { |
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173 | TopExp_Explorer Exp; |
174 | Exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
175 | |
176 | for (; Exp.More() ;Exp.Next()) { |
177 | if (Exp.Current().IsSame(E)) { |
178 | return Exp.Current().Orientation(); |
179 | } |
180 | } |
181 | Standard_ConstructionError::Raise("BRepOffset_Tool::OriEdgeInFace"); |
182 | return E.Orientation(); |
183 | } |
184 | |
185 | |
186 | //======================================================================= |
187 | //function : FindPeriod |
188 | //purpose : |
189 | //======================================================================= |
190 | |
191 | static void FindPeriod (const TopoDS_Face& F, |
ab87e6fc |
192 | Standard_Real& umin, |
193 | Standard_Real& umax, |
194 | Standard_Real& vmin, |
195 | Standard_Real& vmax) |
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196 | { |
197 | |
198 | Bnd_Box2d B; |
199 | TopExp_Explorer exp; |
200 | for (exp.Init(F,TopAbs_EDGE); exp.More(); exp.Next()) { |
201 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
202 | |
203 | Standard_Real pf,pl; |
204 | const Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(E,F,pf,pl); |
205 | if (C.IsNull()) return; |
206 | Geom2dAdaptor_Curve PC(C,pf,pl); |
207 | Standard_Real i, nbp = 20; |
208 | if (PC.GetType() == GeomAbs_Line) nbp = 2; |
209 | Standard_Real step = (pl - pf) / nbp; |
210 | gp_Pnt2d P; |
211 | PC.D0(pf,P); |
212 | B.Add(P); |
213 | for (i = 2; i < nbp; i++) { |
214 | pf += step; |
215 | PC.D0(pf,P); |
216 | B.Add(P); |
217 | } |
218 | PC.D0(pl,P); |
219 | B.Add(P); |
220 | B.Get(umin,vmin,umax,vmax); |
221 | } |
222 | } |
223 | |
224 | //======================================================================= |
225 | //function : PutInBounds |
226 | //purpose : Recadre la courbe 2d dans les bounds de la face |
227 | //======================================================================= |
228 | |
229 | static void PutInBounds (const TopoDS_Face& F, |
ab87e6fc |
230 | const TopoDS_Edge& E, |
231 | Handle(Geom2d_Curve)& C2d) |
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232 | { |
233 | Standard_Real umin,umax,vmin,vmax; |
234 | Standard_Real f,l; |
235 | BRep_Tool::Range(E,f,l); |
236 | |
237 | TopLoc_Location L; // Recup S avec la location pour eviter la copie. |
238 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
239 | |
240 | if (S->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { |
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241 | S = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
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242 | } |
243 | //--------------- |
244 | // Recadre en U. |
245 | //--------------- |
246 | if (!S->IsUPeriodic() && !S->IsVPeriodic()) return; |
247 | |
248 | FindPeriod (F,umin,umax,vmin,vmax); |
249 | |
250 | if (S->IsUPeriodic()) { |
251 | Standard_Real period = S->UPeriod(); |
252 | Standard_Real eps = period*1.e-6; |
253 | gp_Pnt2d Pf = C2d->Value(f); |
254 | gp_Pnt2d Pl = C2d->Value(l); |
255 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
256 | Standard_Real minC = Min(Pf.X(),Pl.X()); minC = Min(minC,Pm.X()); |
257 | Standard_Real maxC = Max(Pf.X(),Pl.X()); maxC = Max(maxC,Pm.X()); |
258 | Standard_Real du = 0.; |
259 | if (minC< umin - eps) { |
260 | du = (int((umin - minC)/period) + 1)*period; |
261 | } |
262 | if (minC > umax + eps) { |
263 | du = -(int((minC - umax)/period) + 1)*period; |
264 | } |
265 | if (du != 0) { |
266 | gp_Vec2d T1(du,0.); |
267 | C2d->Translate(T1); |
268 | minC += du; maxC += du; |
269 | } |
270 | // Ajuste au mieux la courbe dans le domaine. |
271 | if (maxC > umax +100*eps) { |
272 | Standard_Real d1 = maxC - umax; |
273 | Standard_Real d2 = umin - minC + period; |
274 | if (d2 < d1) du =-period; |
275 | if ( du != 0.) { |
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276 | gp_Vec2d T2(du,0.); |
277 | C2d->Translate(T2); |
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278 | } |
279 | } |
280 | } |
281 | //------------------ |
282 | // Recadre en V. |
283 | //------------------ |
284 | if (S->IsVPeriodic()) { |
285 | Standard_Real period = S->VPeriod(); |
286 | Standard_Real eps = period*1.e-6; |
287 | gp_Pnt2d Pf = C2d->Value(f); |
288 | gp_Pnt2d Pl = C2d->Value(l); |
289 | gp_Pnt2d Pm = C2d->Value(0.34*f + 0.66*l); |
290 | Standard_Real minC = Min(Pf.Y(),Pl.Y()); minC = Min(minC,Pm.Y()); |
291 | Standard_Real maxC = Max(Pf.Y(),Pl.Y()); maxC = Max(maxC,Pm.Y()); |
292 | Standard_Real dv = 0.; |
293 | if (minC< vmin - eps) { |
294 | dv = (int((vmin - minC)/period) + 1)*period; |
295 | } |
296 | if (minC > vmax + eps) { |
297 | dv = -(int((minC - vmax)/period) + 1)*period; |
298 | } |
299 | if (dv != 0) { |
300 | gp_Vec2d T1(0.,dv); |
301 | C2d->Translate(T1); |
302 | minC += dv; maxC += dv; |
303 | } |
304 | // Ajuste au mieux la courbe dans le domaine. |
305 | if (maxC > vmax +100*eps) { |
306 | Standard_Real d1 = maxC - vmax; |
307 | Standard_Real d2 = vmin - minC + period; |
308 | if (d2 < d1) dv =-period; |
309 | if ( dv != 0.) { |
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310 | gp_Vec2d T2(0.,dv); |
311 | C2d->Translate(T2); |
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312 | } |
313 | } |
314 | } |
315 | } |
316 | |
317 | //======================================================================= |
318 | //function : Gabarit |
319 | //purpose : |
320 | //======================================================================= |
321 | |
322 | Standard_Real BRepOffset_Tool::Gabarit(const Handle(Geom_Curve)& aCurve) |
323 | { |
324 | GeomAdaptor_Curve GC( aCurve ); |
325 | Bnd_Box aBox; |
326 | BndLib_Add3dCurve::Add( GC, Precision::Confusion(), aBox ); |
327 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, dist; |
328 | aBox.Get( aXmin, aYmin, aZmin, aXmax, aYmax, aZmax ); |
329 | dist = Max( (aXmax-aXmin), (aYmax-aYmin) ); |
330 | dist = Max( dist, (aZmax-aZmin) ); |
331 | return dist; |
332 | } |
333 | |
334 | //======================================================================= |
335 | //function : BuildPCurves |
336 | //purpose : |
337 | //======================================================================= |
338 | |
339 | static void BuildPCurves (const TopoDS_Edge& E, |
ab87e6fc |
340 | const TopoDS_Face& F) |
7fd59977 |
341 | { |
342 | Standard_Real ff,ll; |
343 | Handle (Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface (E,F,ff,ll); |
344 | if (!C2d.IsNull()) return; |
345 | |
346 | //Standard_Real Tolerance = Max(Precision::Confusion(),BRep_Tool::Tolerance(E)); |
347 | Standard_Real Tolerance = Precision::Confusion(); |
348 | |
349 | BRepAdaptor_Surface AS(F,0); |
350 | BRepAdaptor_Curve AC(E); |
351 | |
352 | //Try to find pcurve on a bound of BSpline or Bezier surface |
353 | Handle( Geom_Surface ) theSurf = BRep_Tool::Surface( F ); |
354 | Handle( Standard_Type ) typS = theSurf->DynamicType(); |
355 | if (typS == STANDARD_TYPE(Geom_OffsetSurface)) |
c5f3a425 |
356 | typS = Handle(Geom_OffsetSurface)::DownCast (theSurf)->BasisSurface()->DynamicType(); |
7fd59977 |
357 | if (typS == STANDARD_TYPE(Geom_BezierSurface) || typS == STANDARD_TYPE(Geom_BSplineSurface)) |
358 | { |
359 | gp_Pnt fpoint = AC.Value( AC.FirstParameter() ); |
360 | gp_Pnt lpoint = AC.Value( AC.LastParameter() ); |
1c72dff6 |
361 | TopoDS_Face theFace = BRepLib_MakeFace( theSurf, Precision::Confusion() ); |
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362 | Standard_Real U1 = 0., U2 = 0., TolProj = 1.e-4; //1.e-5; |
363 | TopoDS_Edge theEdge; |
364 | TopExp_Explorer Explo; |
365 | Explo.Init( theFace, TopAbs_EDGE ); |
366 | for (; Explo.More(); Explo.Next()) |
ab87e6fc |
367 | { |
368 | TopoDS_Edge anEdge = TopoDS::Edge( Explo.Current() ); |
369 | BRepAdaptor_Curve aCurve( anEdge ); |
370 | Extrema_ExtPC fextr( fpoint, aCurve ); |
371 | if (!fextr.IsDone() || fextr.NbExt() < 1) |
372 | continue; |
373 | Standard_Real dist2, dist2min = RealLast(); |
7fd59977 |
374 | Standard_Integer i; |
ab87e6fc |
375 | for (i = 1; i <= fextr.NbExt(); i++) |
376 | { |
377 | dist2 = fextr.SquareDistance(i); |
378 | if (dist2 < dist2min) |
379 | { |
380 | dist2min = dist2; |
381 | U1 = fextr.Point(i).Parameter(); |
382 | } |
383 | } |
384 | if (dist2min > TolProj * TolProj) |
385 | continue; |
386 | Extrema_ExtPC lextr( lpoint, aCurve ); |
387 | if (!lextr.IsDone() || lextr.NbExt() <1) |
388 | continue; |
389 | dist2min = RealLast(); |
390 | for (i = 1; i <= lextr.NbExt(); i++) |
391 | { |
392 | dist2 = lextr.SquareDistance(i); |
393 | if (dist2 < dist2min) |
394 | { |
395 | dist2min = dist2; |
396 | U2 = lextr.Point(i).Parameter(); |
397 | } |
398 | } |
399 | if (dist2min <= TolProj * TolProj) |
400 | { |
401 | theEdge = anEdge; |
402 | break; |
403 | } |
404 | } // for (; Explo.More(); Explo.Current()) |
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405 | |
406 | if (! theEdge.IsNull()) |
ab87e6fc |
407 | { |
408 | //Construction of pcurve |
409 | if (U2 < U1) |
410 | { |
411 | Standard_Real temp = U1; |
412 | U1 = U2; |
413 | U2 = temp; |
414 | } |
415 | Standard_Real f, l; |
416 | C2d = BRep_Tool::CurveOnSurface( theEdge, theFace, f, l ); |
417 | C2d = new Geom2d_TrimmedCurve( C2d, U1, U2 ); |
418 | |
419 | if (theSurf->IsUPeriodic() || theSurf->IsVPeriodic()) |
420 | PutInBounds( F, E, C2d ); |
421 | |
422 | BRep_Builder B; |
423 | B.UpdateEdge( E, C2d, F, BRep_Tool::Tolerance(E) ); |
424 | BRepLib::SameRange( E ); |
425 | |
426 | return; |
427 | } |
7fd59977 |
428 | } // if (typS == ... |
429 | |
430 | Handle(BRepAdaptor_HSurface) HS = new BRepAdaptor_HSurface(AS); |
431 | Handle(BRepAdaptor_HCurve) HC = new BRepAdaptor_HCurve(AC); |
432 | |
433 | ProjLib_ProjectedCurve Proj(HS,HC,Tolerance); |
434 | |
435 | switch ( Proj.GetType()) { |
436 | |
437 | case GeomAbs_Line: |
438 | C2d = new Geom2d_Line(Proj.Line()); |
439 | break; |
440 | |
441 | case GeomAbs_Circle: |
442 | C2d = new Geom2d_Circle(Proj.Circle()); |
443 | break; |
444 | |
445 | case GeomAbs_Ellipse: |
446 | C2d = new Geom2d_Ellipse(Proj.Ellipse()); |
447 | break; |
448 | |
449 | case GeomAbs_Parabola: |
450 | C2d = new Geom2d_Parabola(Proj.Parabola()); |
451 | break; |
452 | |
453 | case GeomAbs_Hyperbola: |
454 | C2d = new Geom2d_Hyperbola(Proj.Hyperbola()); |
455 | break; |
456 | |
457 | case GeomAbs_BezierCurve: |
458 | C2d = Proj.Bezier(); |
459 | break; |
460 | |
461 | case GeomAbs_BSplineCurve: |
462 | C2d = Proj.BSpline(); |
463 | break; |
7fd59977 |
464 | default: |
465 | break; |
7fd59977 |
466 | } |
467 | |
468 | if (AS.IsUPeriodic() || AS.IsVPeriodic()) { |
469 | PutInBounds(F,E,C2d); |
470 | } |
471 | if (!C2d.IsNull()) { |
472 | BRep_Builder B; |
473 | B.UpdateEdge (E,C2d,F,BRep_Tool::Tolerance(E)); |
474 | } |
475 | else { |
476 | Standard_ConstructionError::Raise("BRepOffset_Tool::BuildPCurves"); |
477 | cout <<"Echec ProjLib"<<endl; |
478 | } |
479 | } |
480 | |
481 | //======================================================================= |
482 | //function : OriSect |
483 | //purpose : |
484 | //======================================================================= |
485 | |
486 | void BRepOffset_Tool::OrientSection (const TopoDS_Edge& E, |
ab87e6fc |
487 | const TopoDS_Face& F1, |
488 | const TopoDS_Face& F2, |
489 | TopAbs_Orientation& O1, |
490 | TopAbs_Orientation& O2) |
7fd59977 |
491 | { |
492 | TopLoc_Location L; |
493 | Standard_Real f,l; |
ab87e6fc |
494 | |
7fd59977 |
495 | |
496 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
497 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
498 | Handle (Geom2d_Curve) C1 = BRep_Tool::CurveOnSurface(E,F1,f,l); |
499 | Handle (Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(E,F2,f,l); |
500 | Handle (Geom_Curve) C = BRep_Tool::Curve(E,L,f,l); |
501 | |
502 | BRepAdaptor_Curve BAcurve( E ); |
4e57c75e |
503 | |
ab87e6fc |
504 | GCPnts_AbscissaPoint AP(BAcurve,GCPnts_AbscissaPoint::Length(BAcurve)/2.0,f); |
505 | Standard_Real ParOnC; |
506 | |
507 | if(AP.IsDone()) |
508 | ParOnC = AP.Parameter(); |
509 | else |
510 | ParOnC = BOPTools_AlgoTools2D::IntermediatePoint(f, l); |
7fd59977 |
511 | |
512 | gp_Vec T1 = C->DN(ParOnC,1).Transformed(L.Transformation()); |
513 | if (T1.SquareMagnitude() > gp::Resolution()) { |
514 | T1.Normalize(); |
515 | } |
516 | |
517 | gp_Pnt2d P = C1->Value(ParOnC); |
518 | gp_Pnt P3; |
519 | gp_Vec D1U,D1V; |
520 | |
521 | S1->D1(P.X(),P.Y(),P3,D1U,D1V); |
522 | gp_Vec DN1(D1U^D1V); |
523 | if (F1.Orientation() == TopAbs_REVERSED) DN1.Reverse(); |
524 | |
525 | P = C2->Value(ParOnC); |
526 | S2->D1(P.X(),P.Y(),P3,D1U,D1V); |
527 | gp_Vec DN2(D1U^D1V); |
528 | if (F2.Orientation() == TopAbs_REVERSED) DN2.Reverse(); |
529 | |
530 | gp_Vec ProVec = DN2^T1; |
531 | Standard_Real Prod = DN1.Dot(ProVec); |
532 | if (Prod < 0.0) { |
533 | O1 = TopAbs_FORWARD; |
534 | } |
535 | else { |
536 | O1 = TopAbs_REVERSED; |
537 | } |
538 | ProVec = DN1^T1; |
539 | Prod = DN2.Dot(ProVec); |
540 | if (Prod < 0.0) { |
541 | O2 = TopAbs_FORWARD; |
542 | } |
543 | else { |
544 | O2 = TopAbs_REVERSED; |
545 | } |
546 | if (F1.Orientation() == TopAbs_REVERSED) O1 = TopAbs::Reverse(O1); |
547 | if (F2.Orientation() == TopAbs_REVERSED) O2 = TopAbs::Reverse(O2); |
548 | } |
549 | |
550 | //======================================================================= |
551 | //function : HasCommonShape |
552 | //purpose : |
553 | //======================================================================= |
554 | |
555 | Standard_Boolean BRepOffset_Tool::HasCommonShapes (const TopoDS_Face& F1, |
ab87e6fc |
556 | const TopoDS_Face& F2, |
557 | TopTools_ListOfShape& LE, |
558 | TopTools_ListOfShape& LV) |
7fd59977 |
559 | { |
560 | Standard_Boolean Common = Standard_False; |
561 | LE.Clear(); LV.Clear(); |
562 | |
563 | TopExp_Explorer exp1; |
564 | exp1.Init(F1,TopAbs_EDGE); |
565 | |
566 | for (; exp1.More(); exp1.Next()) { |
567 | TopExp_Explorer exp2; |
568 | exp2.Init(F2,TopAbs_EDGE); |
569 | for (; exp2.More(); exp2.Next()) { |
570 | if (exp1.Current().IsSame(exp2.Current())) { |
ab87e6fc |
571 | Common = Standard_True; |
572 | LE.Append(exp1.Current()); |
7fd59977 |
573 | } |
574 | } |
575 | } |
576 | for (exp1.Init(F1,TopAbs_VERTEX); exp1.More(); exp1.Next()) { |
577 | TopExp_Explorer exp2; |
578 | exp2.Init(F2,TopAbs_EDGE); |
579 | for (exp2.Init(F2,TopAbs_VERTEX); exp2.More(); exp2.Next()) { |
580 | if (exp1.Current().IsSame(exp2.Current())) { |
ab87e6fc |
581 | Common = Standard_True; |
582 | LV.Append(exp1.Current()); |
7fd59977 |
583 | } |
584 | } |
585 | } |
586 | return Common; |
587 | } |
588 | |
589 | //======================================================================= |
590 | //function : ToSmall |
591 | //purpose : |
592 | //======================================================================= |
593 | |
594 | static Standard_Boolean ToSmall (const Handle(Geom_Curve)& C) |
595 | { |
596 | Standard_Real Tol = 10*Precision::Confusion(); |
597 | Standard_Real m = (C->FirstParameter()*0.668 + C->LastParameter()*0.332); |
598 | gp_Pnt P1 = C->Value(C->FirstParameter()); |
599 | gp_Pnt P2 = C->Value(C->LastParameter()); |
600 | gp_Pnt P3 = C->Value(m); |
601 | if (P1.Distance(P2) > Tol) return Standard_False; |
602 | if (P2.Distance(P3) > Tol) return Standard_False; |
603 | return Standard_True; |
604 | } |
605 | |
606 | |
607 | //======================================================================= |
608 | //function : IsOnSurface |
609 | //purpose : |
610 | //======================================================================= |
611 | |
612 | static Standard_Boolean IsOnSurface(const Handle(Geom_Curve)& C, |
ab87e6fc |
613 | const Handle(Geom_Surface)& S, |
614 | Standard_Real TolConf, |
615 | Standard_Real& TolReached) |
7fd59977 |
616 | { |
617 | Standard_Real f = C->FirstParameter(); |
618 | Standard_Real l = C->LastParameter(); |
619 | Standard_Integer n = 5; |
620 | Standard_Real du = (f-l)/(n-1); |
621 | TolReached = 0.; |
622 | |
623 | gp_Pnt P; |
624 | Standard_Real U,V; |
625 | |
626 | GeomAdaptor_Surface AS(S); |
627 | |
628 | switch ( AS.GetType()) { |
629 | case GeomAbs_Plane: |
630 | { |
631 | gp_Ax3 Ax = AS.Plane().Position(); |
632 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
633 | P = C->Value(f+i*du); |
634 | ElSLib::PlaneParameters(Ax,P,U,V); |
635 | TolReached = P.Distance(ElSLib::PlaneValue(U,V,Ax)); |
636 | if ( TolReached > TolConf) |
637 | return Standard_False; |
7fd59977 |
638 | } |
639 | break; |
640 | } |
641 | case GeomAbs_Cylinder: |
642 | { |
643 | gp_Ax3 Ax = AS.Cylinder().Position(); |
644 | Standard_Real Rad = AS.Cylinder().Radius(); |
645 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
646 | P = C->Value(f+i*du); |
647 | ElSLib::CylinderParameters(Ax,Rad,P,U,V); |
648 | TolReached = P.Distance(ElSLib::CylinderValue(U,V,Ax,Rad)); |
649 | if ( TolReached > TolConf) |
650 | return Standard_False; |
7fd59977 |
651 | } |
652 | break; |
653 | } |
654 | case GeomAbs_Cone: |
655 | { |
656 | gp_Ax3 Ax = AS.Cone().Position(); |
657 | Standard_Real Rad = AS.Cone().RefRadius(); |
658 | Standard_Real Alp = AS.Cone().SemiAngle(); |
659 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
660 | P = C->Value(f+i*du); |
661 | ElSLib::ConeParameters(Ax,Rad,Alp,P,U,V); |
662 | TolReached = P.Distance(ElSLib::ConeValue(U,V,Ax,Rad,Alp)); |
663 | if ( TolReached > TolConf) |
664 | return Standard_False; |
7fd59977 |
665 | } |
666 | break; |
667 | } |
668 | case GeomAbs_Sphere: |
669 | { |
670 | gp_Ax3 Ax = AS.Sphere().Position(); |
671 | Standard_Real Rad = AS.Sphere().Radius(); |
672 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
673 | P = C->Value(f+i*du); |
674 | ElSLib::SphereParameters(Ax,Rad,P,U,V); |
675 | TolReached = P.Distance(ElSLib::SphereValue(U,V,Ax,Rad)); |
676 | if ( TolReached > TolConf) |
677 | return Standard_False; |
7fd59977 |
678 | } |
679 | break; |
680 | } |
681 | case GeomAbs_Torus: |
682 | { |
683 | gp_Ax3 Ax = AS.Torus().Position(); |
684 | Standard_Real R1 = AS.Torus().MajorRadius(); |
685 | Standard_Real R2 = AS.Torus().MinorRadius(); |
686 | for ( Standard_Integer i = 0; i < n; i++) { |
ab87e6fc |
687 | P = C->Value(f+i*du); |
688 | ElSLib::TorusParameters(Ax,R1,R2,P,U,V); |
689 | TolReached = P.Distance(ElSLib::TorusValue(U,V,Ax,R1,R2)); |
690 | if ( TolReached > TolConf) |
691 | return Standard_False; |
7fd59977 |
692 | } |
693 | break; |
694 | } |
695 | |
696 | default: |
697 | { |
698 | return Standard_False; |
699 | } |
700 | } |
701 | |
702 | return Standard_True; |
703 | } |
704 | |
705 | |
706 | //======================================================================= |
707 | //function : PipeInter |
708 | //purpose : |
709 | //======================================================================= |
710 | |
711 | void BRepOffset_Tool::PipeInter(const TopoDS_Face& F1, |
ab87e6fc |
712 | const TopoDS_Face& F2, |
713 | TopTools_ListOfShape& L1, |
714 | TopTools_ListOfShape& L2, |
715 | const TopAbs_State Side) |
7fd59977 |
716 | { |
717 | #ifdef DRAW |
718 | if (AffichInter) { |
1896126e |
719 | char name[256]; |
7fd59977 |
720 | sprintf(name,"FF_%d",NbFaces++); |
721 | DBRep::Set(name,F1); |
722 | sprintf(name,"FF_%d",NbFaces++); |
723 | DBRep::Set(name,F2); |
724 | } |
725 | #endif |
726 | |
727 | Handle (Geom_Curve) CI; |
728 | TopoDS_Edge E; |
729 | TopAbs_Orientation O1,O2; |
730 | L1.Clear(); L2.Clear(); |
731 | BRep_Builder B; |
732 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
733 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
734 | |
735 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion(),1,1,1); |
736 | |
737 | if (Inter.IsDone()) { |
738 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
739 | CI = Inter.Line(i); |
740 | if (ToSmall(CI)) continue; |
741 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
742 | if (Inter.HasLineOnS1(i)) { |
ab87e6fc |
743 | Handle(Geom2d_Curve) C2 = Inter.LineOnS1(i); |
744 | PutInBounds (F1,E,C2); |
745 | B.UpdateEdge (E,C2,F1,BRep_Tool::Tolerance(E)); |
7fd59977 |
746 | } |
747 | else { |
ab87e6fc |
748 | BuildPCurves (E,F1); |
7fd59977 |
749 | } |
750 | if (Inter.HasLineOnS2(i)) { |
ab87e6fc |
751 | Handle(Geom2d_Curve) C2 = Inter.LineOnS2(i); |
752 | PutInBounds (F2,E,C2); |
753 | B.UpdateEdge (E,C2,F2,BRep_Tool::Tolerance(E)); |
7fd59977 |
754 | } |
755 | else { |
ab87e6fc |
756 | BuildPCurves (E,F2); |
7fd59977 |
757 | } |
758 | OrientSection (E,F1,F2,O1,O2); |
759 | if (Side == TopAbs_OUT) { |
ab87e6fc |
760 | O1 = TopAbs::Reverse(O1); |
761 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
762 | } |
763 | L1.Append (E.Oriented(O1)); |
764 | L2.Append (E.Oriented(O2)); |
765 | #ifdef DRAW |
766 | if (AffichInter) { |
1896126e |
767 | char name[256]; |
ab87e6fc |
768 | sprintf(name,"EI_%d",NbNewEdges++); |
769 | DBRep::Set(name,E.Oriented(O1)); |
7fd59977 |
770 | } |
771 | #endif |
772 | } |
773 | } |
774 | } |
775 | |
776 | |
777 | //======================================================================= |
778 | //function : IsAutonomVertex |
779 | //purpose : Checks wether a vertex is "autonom" or not |
780 | //======================================================================= |
781 | |
782 | static Standard_Boolean IsAutonomVertex(const TopoDS_Shape& aVertex, |
96a95605 |
783 | const BOPDS_PDS& pDS) |
7fd59977 |
784 | { |
96a95605 |
785 | Standard_Integer index; |
4e57c75e |
786 | Standard_Integer aNbVVs, aNbEEs, aNbEFs, aInt; |
787 | // |
788 | index = pDS->Index(aVertex); |
789 | if (index == -1) { |
790 | Standard_Integer i, i1, i2; |
791 | i1=pDS->NbSourceShapes(); |
792 | i2=pDS->NbShapes(); |
793 | for (i=i1; i<i2; ++i) { |
794 | const TopoDS_Shape& aSx=pDS->Shape(i); |
795 | if(aSx.IsSame(aVertex)) { |
ab87e6fc |
796 | index = i; |
797 | break; |
798 | } |
799 | } |
800 | } |
4e57c75e |
801 | // |
4e57c75e |
802 | if (!pDS->IsNewShape(index)) { |
803 | return Standard_False; |
ab87e6fc |
804 | } |
4e57c75e |
805 | //check if vertex with index "index" is not created in VV or EE or EF interference |
806 | //VV |
807 | BOPDS_VectorOfInterfVV& aVVs=pDS->InterfVV(); |
808 | aNbVVs = aVVs.Extent(); |
809 | for(aInt = 0; aInt < aNbVVs; aInt++) { |
810 | const BOPDS_InterfVV& aVV = aVVs(aInt); |
811 | if (aVV.HasIndexNew()) { |
812 | if (aVV.IndexNew() == index) { |
ab87e6fc |
813 | return Standard_False; |
814 | } |
815 | } |
7fd59977 |
816 | } |
4e57c75e |
817 | //EE |
818 | BOPDS_VectorOfInterfEE& aEEs=pDS->InterfEE(); |
819 | aNbEEs = aEEs.Extent(); |
820 | for(aInt = 0; aInt < aNbEEs; aInt++) { |
821 | const BOPDS_InterfEE& aEE = aEEs(aInt); |
822 | IntTools_CommonPrt aCP = aEE.CommonPart(); |
823 | if(aCP.Type() == TopAbs_VERTEX) { |
824 | if (aEE.IndexNew() == index) { |
ab87e6fc |
825 | return Standard_False; |
826 | } |
827 | } |
828 | } |
4e57c75e |
829 | //EF |
830 | BOPDS_VectorOfInterfEF& aEFs=pDS->InterfEF(); |
831 | aNbEFs = aEFs.Extent(); |
832 | for(aInt = 0; aInt < aNbEFs; aInt++) { |
833 | const BOPDS_InterfEF& aEF = aEFs(aInt); |
834 | IntTools_CommonPrt aCP = aEF.CommonPart(); |
835 | if(aCP.Type() == TopAbs_VERTEX) { |
836 | if (aEF.IndexNew() == index) { |
837 | return Standard_False; |
ab87e6fc |
838 | } |
4e57c75e |
839 | } |
840 | } |
7fd59977 |
841 | return Standard_True; |
842 | } |
843 | |
844 | |
845 | //======================================================================= |
846 | //function : AreConnex |
847 | //purpose : define if two shapes are connex by a vertex (vertices) |
848 | //======================================================================= |
849 | |
850 | static Standard_Boolean AreConnex(const TopoDS_Wire& W1, |
ab87e6fc |
851 | const TopoDS_Wire& W2, |
96a95605 |
852 | const BOPDS_PDS& pDS) |
7fd59977 |
853 | { |
854 | TopoDS_Vertex V11, V12, V21, V22; |
855 | TopExp::Vertices( W1, V11, V12 ); |
856 | TopExp::Vertices( W2, V21, V22 ); |
857 | |
858 | if (V11.IsSame(V21) || V11.IsSame(V22) || |
859 | V12.IsSame(V21) || V12.IsSame(V22)) |
860 | { |
861 | Standard_Boolean isCV1 = V11.IsSame(V21) || V11.IsSame(V22); |
862 | Standard_Boolean isCV2 = V12.IsSame(V21) || V12.IsSame(V22); |
96a95605 |
863 | if (isCV1 && !IsAutonomVertex(V11, pDS)) |
ab87e6fc |
864 | { |
865 | if (!isCV2) |
866 | return Standard_False; |
96a95605 |
867 | if (!IsAutonomVertex(V12, pDS)) |
ab87e6fc |
868 | return Standard_False; |
869 | } |
96a95605 |
870 | if (!isCV1 && !IsAutonomVertex(V12, pDS)) |
ab87e6fc |
871 | return Standard_False; |
7fd59977 |
872 | |
873 | TopoDS_Vertex CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
874 | TopoDS_Edge E1, E2; |
875 | TopoDS_Iterator itw( W1 ); |
876 | for (; itw.More(); itw.Next()) |
ab87e6fc |
877 | { |
878 | E1 = TopoDS::Edge(itw.Value()); |
879 | TopoDS_Vertex V1, V2; |
880 | TopExp::Vertices( E1, V1, V2 ); |
881 | if (V1.IsSame(CV) || V2.IsSame(CV)) |
882 | break; |
883 | } |
7fd59977 |
884 | itw.Initialize( W2 ); |
885 | E2 = TopoDS::Edge(itw.Value()); |
886 | |
887 | Standard_Real f, l; |
888 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, f, l ); |
889 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
890 | C1 = Handle(Geom_TrimmedCurve)::DownCast (C1)->BasisCurve(); |
7fd59977 |
891 | |
892 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, f, l ); |
893 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
894 | C2 = Handle(Geom_TrimmedCurve)::DownCast (C2)->BasisCurve(); |
7fd59977 |
895 | |
896 | if (C1->IsInstance(STANDARD_TYPE(Geom_Line)) && |
ab87e6fc |
897 | C2->IsInstance(STANDARD_TYPE(Geom_Line))) |
898 | { |
c5f3a425 |
899 | Handle(Geom_Line) L1 = Handle(Geom_Line)::DownCast (C1); |
ab87e6fc |
900 | gp_Ax1 Axis1 = L1->Position(); |
c5f3a425 |
901 | Handle(Geom_Line) L2 = Handle(Geom_Line)::DownCast (C2); |
ab87e6fc |
902 | gp_Ax1 Axis2 = L2->Position(); |
903 | if (! Axis1.IsParallel( Axis2, Precision::Angular() )) |
904 | return Standard_False; |
905 | } |
7fd59977 |
906 | |
907 | return Standard_True; |
908 | } |
909 | |
910 | return Standard_False; |
911 | } |
912 | |
913 | //======================================================================= |
914 | //function : AreClosed |
915 | //purpose : define if two edges are connex by two vertices |
916 | //======================================================================= |
917 | |
918 | static Standard_Boolean AreClosed(const TopoDS_Edge& E1, |
ab87e6fc |
919 | const TopoDS_Edge& E2) |
7fd59977 |
920 | { |
921 | TopoDS_Vertex V11, V12, V21, V22; |
922 | TopExp::Vertices( E1, V11, V12 ); |
923 | TopExp::Vertices( E2, V21, V22 ); |
924 | |
0ebaa4db |
925 | if ((V11.IsSame(V21) && V12.IsSame(V22)) || |
926 | (V11.IsSame(V22) && V12.IsSame(V21))) |
7fd59977 |
927 | return Standard_True; |
928 | |
929 | return Standard_False; |
930 | } |
931 | |
932 | //======================================================================= |
933 | //function : BSplineEdges |
934 | //purpose : |
935 | //======================================================================= |
936 | |
937 | static Standard_Boolean BSplineEdges(const TopoDS_Edge& E1, |
ab87e6fc |
938 | const TopoDS_Edge& E2, |
939 | const Standard_Integer par1, |
940 | const Standard_Integer par2, |
941 | Standard_Real& angle) |
7fd59977 |
942 | { |
943 | Standard_Real first1, last1, first2, last2, Param1, Param2; |
944 | |
945 | Handle(Geom_Curve) C1 = BRep_Tool::Curve( E1, first1, last1 ); |
946 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
947 | C1 = Handle(Geom_TrimmedCurve)::DownCast (C1)->BasisCurve(); |
7fd59977 |
948 | |
949 | Handle(Geom_Curve) C2 = BRep_Tool::Curve( E2, first2, last2 ); |
950 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
951 | C2 = Handle(Geom_TrimmedCurve)::DownCast (C2)->BasisCurve(); |
7fd59977 |
952 | |
953 | if (!C1->IsInstance(STANDARD_TYPE(Geom_BSplineCurve)) || |
954 | !C2->IsInstance(STANDARD_TYPE(Geom_BSplineCurve))) |
955 | return Standard_False; |
956 | |
957 | Param1 = (par1 == 0)? first1 : last1; |
958 | Param2 = (par2 == 0)? first2 : last2; |
959 | |
960 | gp_Pnt Pnt1, Pnt2; |
961 | gp_Vec Der1, Der2; |
962 | C1->D1( Param1, Pnt1, Der1 ); |
963 | C2->D1( Param2, Pnt2, Der2 ); |
964 | |
965 | if (Der1.Magnitude() <= gp::Resolution() || |
966 | Der2.Magnitude() <= gp::Resolution()) |
c6541a0c |
967 | angle = M_PI/2.; |
7fd59977 |
968 | else |
969 | angle = Der1.Angle(Der2); |
970 | |
971 | return Standard_True; |
972 | } |
973 | |
974 | //======================================================================= |
975 | //function : AngleWireEdge |
976 | //purpose : |
977 | //======================================================================= |
978 | |
979 | static Standard_Real AngleWireEdge(const TopoDS_Wire& aWire, |
ab87e6fc |
980 | const TopoDS_Edge& anEdge) |
7fd59977 |
981 | { |
982 | TopoDS_Vertex V11, V12, V21, V22, CV; |
983 | TopExp::Vertices( aWire, V11, V12 ); |
984 | TopExp::Vertices( anEdge, V21, V22 ); |
985 | CV = (V11.IsSame(V21) || V11.IsSame(V22))? V11 : V12; |
986 | TopoDS_Edge FirstEdge; |
987 | TopoDS_Iterator itw(aWire); |
988 | for (; itw.More(); itw.Next()) |
989 | { |
990 | FirstEdge = TopoDS::Edge(itw.Value()); |
991 | TopoDS_Vertex v1, v2; |
992 | TopExp::Vertices( FirstEdge, v1, v2 ); |
993 | if (v1.IsSame(CV) || v2.IsSame(CV)) |
ab87e6fc |
994 | { |
995 | V11 = v1; |
996 | V12 = v2; |
997 | break; |
998 | } |
7fd59977 |
999 | } |
1000 | Standard_Real Angle; |
1001 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1002 | { |
1003 | BSplineEdges( FirstEdge, anEdge, 0, 0, Angle ); |
c6541a0c |
1004 | Angle = M_PI - Angle; |
7fd59977 |
1005 | } |
1006 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1007 | BSplineEdges( FirstEdge, anEdge, 0, 1, Angle ); |
1008 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1009 | BSplineEdges( FirstEdge, anEdge, 1, 0, Angle ); |
1010 | else |
1011 | { |
1012 | BSplineEdges( FirstEdge, anEdge, 1, 1, Angle ); |
c6541a0c |
1013 | Angle = M_PI - Angle; |
7fd59977 |
1014 | } |
1015 | return Angle; |
1016 | } |
1017 | |
1018 | |
1019 | //======================================================================= |
1020 | //function : ReconstructPCurves |
1021 | //purpose : |
1022 | //======================================================================= |
1023 | |
1024 | static void ReconstructPCurves(const TopoDS_Edge& anEdge) |
1025 | { |
1026 | Standard_Real f, l; |
1027 | Handle(Geom_Curve) C3d = BRep_Tool::Curve(anEdge, f, l); |
1028 | |
1029 | BRep_ListIteratorOfListOfCurveRepresentation |
1030 | itcr( (Handle(BRep_TEdge)::DownCast(anEdge.TShape()))->ChangeCurves() ); |
1031 | for (; itcr.More(); itcr.Next()) |
1032 | { |
1033 | Handle( BRep_CurveRepresentation ) CurveRep = itcr.Value(); |
1034 | if (CurveRep->IsCurveOnSurface()) |
ab87e6fc |
1035 | { |
1036 | Handle(Geom_Surface) theSurf = CurveRep->Surface(); |
1037 | TopLoc_Location theLoc = CurveRep->Location(); |
1038 | theLoc = anEdge.Location() * theLoc; |
1039 | theSurf = Handle(Geom_Surface)::DownCast |
1040 | (theSurf->Transformed(theLoc.Transformation())); |
1041 | Handle(Geom2d_Curve) ProjPCurve = |
1042 | GeomProjLib::Curve2d( C3d, f, l, theSurf ); |
1043 | CurveRep->PCurve( ProjPCurve ); |
1044 | } |
7fd59977 |
1045 | } |
1046 | } |
1047 | |
1048 | //======================================================================= |
1049 | //function : ConcatPCurves |
1050 | //purpose : |
1051 | //======================================================================= |
1052 | |
1053 | static Handle(Geom2d_Curve) ConcatPCurves(const TopoDS_Edge& E1, |
ab87e6fc |
1054 | const TopoDS_Edge& E2, |
1055 | const TopoDS_Face& F, |
1056 | const Standard_Boolean After, |
1057 | Standard_Real& newFirst, |
1058 | Standard_Real& newLast) |
7fd59977 |
1059 | { |
1060 | Standard_Real Tol = 1.e-7; |
1061 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1062 | Standard_Integer MaxDeg = 14; |
1063 | Standard_Integer MaxSeg = 16; |
1064 | |
1065 | Standard_Real first1, last1, first2, last2; |
1066 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1067 | |
1068 | PCurve1 = BRep_Tool::CurveOnSurface( E1, F, first1, last1 ); |
1069 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
c5f3a425 |
1070 | PCurve1 = Handle(Geom2d_TrimmedCurve)::DownCast (PCurve1)->BasisCurve(); |
7fd59977 |
1071 | |
1072 | PCurve2 = BRep_Tool::CurveOnSurface( E2, F, first2, last2 ); |
1073 | if (PCurve2->IsInstance(STANDARD_TYPE(Geom2d_TrimmedCurve))) |
c5f3a425 |
1074 | PCurve2 = Handle(Geom2d_TrimmedCurve)::DownCast (PCurve2)->BasisCurve(); |
7fd59977 |
1075 | |
1076 | if (PCurve1 == PCurve2) |
1077 | { |
1078 | newPCurve = PCurve1; |
1079 | newFirst = Min( first1, first2 ); |
1080 | newLast = Max( last1, last2 ); |
1081 | } |
1082 | else if (PCurve1->DynamicType() == PCurve2->DynamicType() && |
ab87e6fc |
1083 | (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line)) || |
1084 | PCurve1->IsKind(STANDARD_TYPE(Geom2d_Conic)))) |
7fd59977 |
1085 | { |
1086 | newPCurve = PCurve1; |
1087 | gp_Pnt2d P1, P2; |
1088 | P1 = PCurve2->Value( first2 ); |
1089 | P2 = PCurve2->Value( last2 ); |
1090 | if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Line))) |
ab87e6fc |
1091 | { |
c5f3a425 |
1092 | Handle(Geom2d_Line) Lin1 = Handle(Geom2d_Line)::DownCast (PCurve1); |
ab87e6fc |
1093 | gp_Lin2d theLin = Lin1->Lin2d(); |
1094 | first2 = ElCLib::Parameter( theLin, P1 ); |
1095 | last2 = ElCLib::Parameter( theLin, P2 ); |
1096 | } |
7fd59977 |
1097 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Circle))) |
ab87e6fc |
1098 | { |
c5f3a425 |
1099 | Handle(Geom2d_Circle) Circ1 = Handle(Geom2d_Circle)::DownCast (PCurve1); |
ab87e6fc |
1100 | gp_Circ2d theCirc = Circ1->Circ2d(); |
1101 | first2 = ElCLib::Parameter( theCirc, P1 ); |
1102 | last2 = ElCLib::Parameter( theCirc, P2 ); |
1103 | } |
7fd59977 |
1104 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Ellipse))) |
ab87e6fc |
1105 | { |
c5f3a425 |
1106 | Handle(Geom2d_Ellipse) Ell1 = Handle(Geom2d_Ellipse)::DownCast (PCurve1); |
ab87e6fc |
1107 | gp_Elips2d theElips = Ell1->Elips2d(); |
1108 | first2 = ElCLib::Parameter( theElips, P1 ); |
1109 | last2 = ElCLib::Parameter( theElips, P2 ); |
1110 | } |
7fd59977 |
1111 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Parabola))) |
ab87e6fc |
1112 | { |
c5f3a425 |
1113 | Handle(Geom2d_Parabola) Parab1 = Handle(Geom2d_Parabola)::DownCast (PCurve1); |
ab87e6fc |
1114 | gp_Parab2d theParab = Parab1->Parab2d(); |
1115 | first2 = ElCLib::Parameter( theParab, P1 ); |
1116 | last2 = ElCLib::Parameter( theParab, P2 ); |
1117 | } |
7fd59977 |
1118 | else if (PCurve1->IsInstance(STANDARD_TYPE(Geom2d_Hyperbola))) |
ab87e6fc |
1119 | { |
c5f3a425 |
1120 | Handle(Geom2d_Hyperbola) Hypr1 = Handle(Geom2d_Hyperbola)::DownCast (PCurve1); |
ab87e6fc |
1121 | gp_Hypr2d theHypr = Hypr1->Hypr2d(); |
1122 | first2 = ElCLib::Parameter( theHypr, P1 ); |
1123 | last2 = ElCLib::Parameter( theHypr, P2 ); |
1124 | } |
7fd59977 |
1125 | newFirst = Min( first1, first2 ); |
1126 | newLast = Max( last1, last2 ); |
1127 | } |
1128 | else |
1129 | { |
1130 | Handle(Geom2d_TrimmedCurve) TC1 = new Geom2d_TrimmedCurve( PCurve1, first1, last1 ); |
1131 | Handle(Geom2d_TrimmedCurve) TC2 = new Geom2d_TrimmedCurve( PCurve2, first2, last2 ); |
1132 | Geom2dConvert_CompCurveToBSplineCurve Concat2d( TC1 ); |
1133 | Concat2d.Add( TC2, Precision::Confusion(), After ); |
1134 | newPCurve = Concat2d.BSplineCurve(); |
1135 | if (newPCurve->Continuity() < GeomAbs_C1) |
ab87e6fc |
1136 | { |
1137 | Geom2dConvert_ApproxCurve Approx2d( newPCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1138 | if (Approx2d.HasResult()) |
1139 | newPCurve = Approx2d.Curve(); |
1140 | } |
7fd59977 |
1141 | newFirst = newPCurve->FirstParameter(); |
1142 | newLast = newPCurve->LastParameter(); |
1143 | } |
1144 | |
1145 | return newPCurve; |
1146 | } |
1147 | |
1148 | //======================================================================= |
1149 | //function : Glue |
1150 | //purpose : glue two edges. |
1151 | //======================================================================= |
1152 | |
1153 | static TopoDS_Edge Glue(const TopoDS_Edge& E1, |
ab87e6fc |
1154 | const TopoDS_Edge& E2, |
1155 | const TopoDS_Vertex& Vfirst, |
1156 | const TopoDS_Vertex& Vlast, |
1157 | const Standard_Boolean After, |
1158 | const TopoDS_Face& F1, |
1159 | const Standard_Boolean addPCurve1, |
1160 | const TopoDS_Face& F2, |
1161 | const Standard_Boolean addPCurve2) |
7fd59977 |
1162 | { |
1163 | Standard_Real Tol = 1.e-7; |
1164 | GeomAbs_Shape Continuity = GeomAbs_C1; |
1165 | Standard_Integer MaxDeg = 14; |
1166 | Standard_Integer MaxSeg = 16; |
1167 | |
1168 | Handle(Geom_Curve) C1, C2, newCurve; |
1169 | Handle(Geom2d_Curve) PCurve1, PCurve2, newPCurve; |
1170 | Standard_Real first1, last1, first2, last2, fparam=0., lparam=0.; |
1171 | Standard_Boolean IsCanonic = Standard_False; |
1172 | |
1173 | C1 = BRep_Tool::Curve( E1, first1, last1 ); |
1174 | if (C1->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
1175 | C1 = Handle(Geom_TrimmedCurve)::DownCast (C1)->BasisCurve(); |
7fd59977 |
1176 | |
1177 | C2 = BRep_Tool::Curve( E2, first2, last2 ); |
1178 | if (C2->IsInstance(STANDARD_TYPE(Geom_TrimmedCurve))) |
c5f3a425 |
1179 | C2 = Handle(Geom_TrimmedCurve)::DownCast (C2)->BasisCurve(); |
7fd59977 |
1180 | |
1181 | if (C1 == C2) |
1182 | { |
1183 | newCurve = C1; |
1184 | fparam = Min( first1, first2 ); |
1185 | lparam = Max( last1, last2 ); |
1186 | } |
1187 | else if (C1->DynamicType() == C2->DynamicType() && |
ab87e6fc |
1188 | (C1->IsInstance(STANDARD_TYPE(Geom_Line)) || |
1189 | C1->IsKind(STANDARD_TYPE(Geom_Conic)))) |
7fd59977 |
1190 | { |
1191 | IsCanonic = Standard_True; |
1192 | newCurve = C1; |
1193 | } |
1194 | else |
1195 | { |
1196 | Handle(Geom_TrimmedCurve) TC1 = new Geom_TrimmedCurve( C1, first1, last1 ); |
1197 | Handle(Geom_TrimmedCurve) TC2 = new Geom_TrimmedCurve( C2, first2, last2 ); |
1198 | GeomConvert_CompCurveToBSplineCurve Concat( TC1 ); |
1199 | Concat.Add( TC2, Precision::Confusion(), After ); |
1200 | newCurve = Concat.BSplineCurve(); |
1201 | if (newCurve->Continuity() < GeomAbs_C1) |
ab87e6fc |
1202 | { |
1203 | GeomConvert_ApproxCurve Approx3d( newCurve, Tol, Continuity, MaxSeg, MaxDeg ); |
1204 | if (Approx3d.HasResult()) |
1205 | newCurve = Approx3d.Curve(); |
1206 | } |
7fd59977 |
1207 | fparam = newCurve->FirstParameter(); |
1208 | lparam = newCurve->LastParameter(); |
1209 | } |
1210 | |
1211 | TopoDS_Edge newEdge; |
1212 | BRep_Builder BB; |
1213 | |
1214 | if (IsCanonic) |
1215 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast ); |
1216 | else |
1217 | newEdge = BRepLib_MakeEdge( newCurve, Vfirst, Vlast, fparam, lparam ); |
1218 | |
1219 | Standard_Real newFirst, newLast; |
1220 | if (addPCurve1) |
1221 | { |
1222 | newPCurve = ConcatPCurves( E1, E2, F1, After, newFirst, newLast ); |
1223 | BB.UpdateEdge( newEdge, newPCurve, F1, 0. ); |
1224 | BB.Range( newEdge, F1, newFirst, newLast ); |
1225 | } |
1226 | if (addPCurve2) |
1227 | { |
1228 | newPCurve = ConcatPCurves( E1, E2, F2, After, newFirst, newLast ); |
1229 | BB.UpdateEdge( newEdge, newPCurve, F2, 0. ); |
1230 | BB.Range( newEdge, F2, newFirst, newLast ); |
1231 | } |
1232 | |
1233 | return newEdge; |
1234 | } |
1235 | |
1236 | |
1237 | //======================================================================= |
1238 | //function : FindNewVerticesOnBoundsOfFace |
1239 | //purpose : |
1240 | //======================================================================= |
1241 | |
4e57c75e |
1242 | static void FindNewVerticesOnBoundsOfFace(const BOPDS_PDS& pDS, |
ab87e6fc |
1243 | const TopoDS_Face& aFace, |
1244 | TopTools_DataMapOfShapeShape& VEmap) |
7fd59977 |
1245 | { |
1246 | TopTools_IndexedMapOfShape OldVertices; |
1247 | TopExp::MapShapes( aFace, TopAbs_VERTEX, OldVertices ); |
4e57c75e |
1248 | BOPDS_ListIteratorOfListOfPaveBlock aItLPB; |
1249 | TopoDS_Vertex V1, V2; |
ab87e6fc |
1250 | |
7fd59977 |
1251 | TopExp_Explorer Explo( aFace, TopAbs_EDGE ); |
4e57c75e |
1252 | for (; Explo.More(); Explo.Next()) { |
1253 | const TopoDS_Shape& aE = Explo.Current(); |
1254 | Standard_Integer nE = pDS->Index(aE); |
1255 | // |
1256 | const BOPDS_ListOfPaveBlock& aLPB = pDS->PaveBlocks(nE); |
1257 | aItLPB.Initialize(aLPB); |
1258 | for (; aItLPB.More(); aItLPB.Next()) { |
1259 | const Handle(BOPDS_PaveBlock)& aPB = aItLPB.Value(); |
1260 | const TopoDS_Edge& aESp = *(TopoDS_Edge*)&pDS->Shape(aPB->Edge()); |
1261 | // |
1262 | TopExp::Vertices( aESp, V1, V2 ); |
1263 | if (!OldVertices.Contains( V1 )) { |
1264 | VEmap.Bind( V1, aE ); |
ab87e6fc |
1265 | } |
4e57c75e |
1266 | // |
1267 | if (!OldVertices.Contains( V2 )) { |
1268 | VEmap.Bind( V2, aE ); |
7fd59977 |
1269 | } |
ab87e6fc |
1270 | } |
4e57c75e |
1271 | } |
7fd59977 |
1272 | } |
ab87e6fc |
1273 | |
7fd59977 |
1274 | //======================================================================= |
1275 | //function : CheckIntersFF |
1276 | //purpose : |
1277 | //======================================================================= |
1278 | |
4e57c75e |
1279 | static Standard_Boolean CheckIntersFF(const BOPDS_PDS& pDS, |
ab87e6fc |
1280 | const TopoDS_Edge& RefEdge, |
1281 | const TopoDS_Face& F1, |
1282 | const TopoDS_Face& F2, |
1283 | TopTools_IndexedMapOfShape& TrueEdges) |
7fd59977 |
1284 | { |
1285 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1286 | Standard_Boolean isPlane1 = Standard_False, isPlane2 = Standard_False; |
1287 | |
1288 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F1); |
1289 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
c5f3a425 |
1290 | aSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (aSurf)->BasisSurface(); |
7fd59977 |
1291 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1292 | isPlane1 = Standard_True; |
1293 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1294 | isEl1 = Standard_True; |
1295 | |
1296 | aSurf = BRep_Tool::Surface(F2); |
1297 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
c5f3a425 |
1298 | aSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (aSurf)->BasisSurface(); |
7fd59977 |
1299 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1300 | isPlane2 = Standard_True; |
1301 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1302 | isEl2 = Standard_True; |
1303 | |
1304 | if (isPlane1 || isPlane2) |
1305 | return Standard_True; |
1306 | |
1307 | if (isEl1 && isEl2) |
1308 | return Standard_True; |
1309 | |
4e57c75e |
1310 | BOPDS_VectorOfInterfFF& aFFs = pDS->InterfFF(); |
7fd59977 |
1311 | Standard_Integer aNb = aFFs.Extent(); |
1312 | Standard_Integer i, j, nbe = 0; |
1313 | |
1314 | TopTools_SequenceOfShape Edges; |
1315 | |
4e57c75e |
1316 | for (i = 0; i < aNb; ++i) |
7fd59977 |
1317 | { |
4e57c75e |
1318 | BOPDS_InterfFF& aFFi=aFFs(i); |
1319 | const BOPDS_VectorOfCurve& aBCurves=aFFi.Curves(); |
1320 | Standard_Integer aNbCurves = aBCurves.Extent(); |
7fd59977 |
1321 | |
4e57c75e |
1322 | for (j = 0; j < aNbCurves; ++j) |
ab87e6fc |
1323 | { |
4e57c75e |
1324 | const BOPDS_Curve& aBC=aBCurves(j); |
1325 | const BOPDS_ListOfPaveBlock& aSectEdges = aBC.PaveBlocks(); |
ab87e6fc |
1326 | |
4e57c75e |
1327 | BOPDS_ListIteratorOfListOfPaveBlock aPBIt; |
1328 | aPBIt.Initialize(aSectEdges); |
ab87e6fc |
1329 | |
1330 | for (; aPBIt.More(); aPBIt.Next()) |
1331 | { |
4e57c75e |
1332 | const Handle(BOPDS_PaveBlock)& aPB = aPBIt.Value(); |
1333 | Standard_Integer nSect = aPB->Edge(); |
1334 | const TopoDS_Edge& anEdge = *(TopoDS_Edge*)&pDS->Shape(nSect); |
ab87e6fc |
1335 | Edges.Append( anEdge ); |
1336 | nbe++; |
1337 | } |
1338 | } |
7fd59977 |
1339 | } |
1340 | |
1341 | if (nbe <= 1) |
1342 | return Standard_True; |
1343 | |
1344 | //define tangents of RefEdge on start and on end |
1345 | BRepAdaptor_Curve cref(RefEdge); |
1346 | gp_Vec RefTangFirst = cref.DN(cref.FirstParameter(), 1); |
1347 | gp_Vec RefTangLast = cref.DN(cref.LastParameter(), 1); |
1348 | |
1349 | //find the start edge and take it from Edges |
1350 | TopoDS_Edge StartEdge; //, StartEonF1, StartEonF2, EndEonF1, EndEonF2; |
1351 | |
1352 | TopTools_DataMapOfShapeShape VEmapF1, VEmapF2; |
4e57c75e |
1353 | FindNewVerticesOnBoundsOfFace( pDS, F1, VEmapF1 ); |
1354 | FindNewVerticesOnBoundsOfFace( pDS, F2, VEmapF2 ); |
7fd59977 |
1355 | |
1356 | Standard_Real AngTol = 0.1; |
1357 | Standard_Boolean V1onBound = Standard_False; |
1358 | Standard_Boolean V2onBound = Standard_False; |
1359 | TopoDS_Vertex V1, V2, Vcur; |
1360 | gp_Vec TangFirst, TangLast, TangCur; |
1361 | for (i = 1; i <= Edges.Length(); i++) |
1362 | { |
1363 | StartEdge = TopoDS::Edge(Edges(i)); |
1364 | TopExp::Vertices( StartEdge, V1, V2 ); |
1365 | V1onBound = VEmapF1.IsBound(V1) || VEmapF2.IsBound(V1); // && ? |
1366 | V2onBound = VEmapF1.IsBound(V2) || VEmapF2.IsBound(V2); // && ? |
1367 | if (V1onBound || V2onBound) |
ab87e6fc |
1368 | { |
1369 | BRepAdaptor_Curve CE(StartEdge); |
1370 | TangFirst = CE.DN( CE.FirstParameter(), 1 ); |
1371 | TangLast = CE.DN( CE.LastParameter(), 1 ); |
1372 | if (V1onBound) |
1373 | { |
1374 | if (TangFirst.IsParallel( RefTangFirst, AngTol ) || |
1375 | TangFirst.IsParallel( RefTangLast, AngTol )) |
1376 | break; //start edged found |
1377 | } |
1378 | else if (V2onBound) |
1379 | { |
1380 | if (TangLast.IsParallel( RefTangLast, AngTol ) || |
1381 | TangLast.IsParallel( RefTangFirst, AngTol )) |
1382 | break; //start edged found |
1383 | } |
1384 | } |
7fd59977 |
1385 | } |
1386 | |
1387 | if (i > Edges.Length()) //start edged not found |
1388 | return Standard_False; |
1389 | |
1390 | if (V1onBound && V2onBound) |
1391 | { |
0ebaa4db |
1392 | if ((TangFirst.IsParallel(RefTangFirst,AngTol) && TangLast.IsParallel(RefTangLast,AngTol)) || |
1393 | (TangFirst.IsParallel(RefTangLast,AngTol) && TangLast.IsParallel(RefTangFirst,AngTol))) |
1394 | { |
1395 | TrueEdges.Add( Edges(i) ); |
1396 | return Standard_True; |
1397 | } |
7fd59977 |
1398 | else |
0ebaa4db |
1399 | return Standard_False; |
7fd59977 |
1400 | } |
1401 | |
1402 | //StartEonF1 = (V1onBound)? VEmapF1( V1 ) : VEmapF1( V2 ); |
1403 | //StartEonF2 = (V1onBound)? VEmapF2( V1 ) : VEmapF2( V2 ); |
1404 | |
1405 | TrueEdges.Add( Edges(i) ); |
1406 | Edges.Remove(i); |
1407 | Vcur = (V1onBound)? V2 : V1; |
1408 | TangCur = (V1onBound)? TangLast : TangFirst; |
1409 | if (V2onBound) |
1410 | TangCur.Reverse(); |
1411 | |
1412 | //build the chain from StartEdge till the opposite bound of face |
1413 | for (;;) |
1414 | { |
1415 | TColStd_SequenceOfInteger Candidates; |
1416 | for (i = 1; i <= Edges.Length(); i++) |
ab87e6fc |
1417 | { |
1418 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(i)); |
1419 | TopExp::Vertices( anEdge, V1, V2 ); |
1420 | if (V1.IsSame(Vcur) || V2.IsSame(Vcur)) |
1421 | Candidates.Append(i); |
1422 | } |
7fd59977 |
1423 | if (Candidates.IsEmpty()) |
ab87e6fc |
1424 | { |
1425 | TrueEdges.Clear(); |
1426 | return Standard_False; |
1427 | } |
7fd59977 |
1428 | |
1429 | Standard_Integer minind = 1; |
1430 | if (Candidates.Length() > 1) |
ab87e6fc |
1431 | { |
1432 | Standard_Real MinAngle = RealLast(); |
1433 | for (i = 1; i <= Candidates.Length(); i++) |
1434 | { |
1435 | TopoDS_Edge anEdge = TopoDS::Edge(Edges(Candidates(i))); |
1436 | TopExp::Vertices( anEdge, V1, V2 ); |
1437 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1438 | BRepAdaptor_Curve CE(anEdge); |
1439 | gp_Vec aTang = (ConnectByFirst)? |
1440 | CE.DN( CE.FirstParameter(), 1 ) : CE.DN( CE.LastParameter(), 1 ); |
1441 | if (!ConnectByFirst) |
1442 | aTang.Reverse(); |
1443 | Standard_Real anAngle = TangCur.Angle(aTang); |
1444 | if (anAngle < MinAngle) |
1445 | { |
1446 | MinAngle = anAngle; |
1447 | minind = i; |
1448 | } |
1449 | } |
1450 | } |
7fd59977 |
1451 | TopoDS_Edge CurEdge = TopoDS::Edge(Edges(Candidates(minind))); |
1452 | TrueEdges.Add( CurEdge ); |
1453 | Edges.Remove(Candidates(minind)); |
1454 | TopExp::Vertices( CurEdge, V1, V2 ); |
1455 | Standard_Boolean ConnectByFirst = (Vcur.IsSame(V1))? Standard_True : Standard_False; |
1456 | Vcur = (ConnectByFirst)? V2 : V1; |
1457 | BRepAdaptor_Curve CE(CurEdge); |
1458 | TangCur = (ConnectByFirst)? CE.DN( CE.LastParameter(), 1 ) : CE.DN( CE.FirstParameter(), 1 ); |
1459 | if (!ConnectByFirst) |
ab87e6fc |
1460 | TangCur.Reverse(); |
7fd59977 |
1461 | //check if Vcur is on bounds of faces |
1462 | if (VEmapF1.IsBound(Vcur) || VEmapF2.IsBound(Vcur)) |
ab87e6fc |
1463 | break; |
7fd59977 |
1464 | } //end of for (;;) |
1465 | |
1466 | if (TangCur.IsParallel( RefTangFirst, AngTol ) || |
1467 | TangCur.IsParallel( RefTangLast, AngTol )) |
1468 | return Standard_True; |
1469 | |
1470 | TrueEdges.Clear(); |
1471 | return Standard_False; |
1472 | } |
1473 | |
1474 | //======================================================================= |
1475 | //function : AssembleEdge |
1476 | //purpose : |
1477 | //======================================================================= |
1478 | |
4e57c75e |
1479 | static TopoDS_Edge AssembleEdge(const BOPDS_PDS& pDS, |
ab87e6fc |
1480 | const TopoDS_Face& F1, |
1481 | const TopoDS_Face& F2, |
1482 | const Standard_Boolean addPCurve1, |
1483 | const Standard_Boolean addPCurve2, |
1484 | const TopTools_SequenceOfShape& EdgesForConcat) |
7fd59977 |
1485 | { |
1486 | TopoDS_Edge CurEdge = TopoDS::Edge( EdgesForConcat(1) ); |
1487 | for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1488 | { |
1489 | TopoDS_Edge anEdge = TopoDS::Edge( EdgesForConcat(j) ); |
1490 | Standard_Boolean After = Standard_False; |
1491 | TopoDS_Vertex Vfirst, Vlast; |
1492 | if (AreClosed( CurEdge, anEdge )) |
ab87e6fc |
1493 | { |
1494 | TopoDS_Vertex V1, V2; |
1495 | TopExp::Vertices( CurEdge, V1, V2 ); |
96a95605 |
1496 | if (IsAutonomVertex( V1, pDS )) |
ab87e6fc |
1497 | { |
1498 | After = Standard_False; |
1499 | Vfirst = Vlast = V2; |
1500 | } |
1501 | else |
1502 | { |
1503 | After = Standard_True; |
1504 | Vfirst = Vlast = V1; |
1505 | } |
1506 | } |
7fd59977 |
1507 | else |
ab87e6fc |
1508 | { |
1509 | TopoDS_Vertex CV, V11, V12, V21, V22; |
1510 | TopExp::CommonVertex( CurEdge, anEdge, CV ); |
1511 | TopExp::Vertices( CurEdge, V11, V12 ); |
1512 | TopExp::Vertices( anEdge, V21, V22 ); |
1513 | if (V11.IsSame(CV) && V21.IsSame(CV)) |
1514 | { |
1515 | Vfirst = V22; |
1516 | Vlast = V12; |
1517 | } |
1518 | else if (V11.IsSame(CV) && V22.IsSame(CV)) |
1519 | { |
1520 | Vfirst = V21; |
1521 | Vlast = V12; |
1522 | } |
1523 | else if (V12.IsSame(CV) && V21.IsSame(CV)) |
1524 | { |
1525 | Vfirst = V11; |
1526 | Vlast = V22; |
1527 | } |
1528 | else |
1529 | { |
1530 | Vfirst = V11; |
1531 | Vlast = V21; |
1532 | } |
1533 | } //end of else (open wire) |
7fd59977 |
1534 | |
1535 | TopoDS_Edge NewEdge = Glue(CurEdge, anEdge, |
ab87e6fc |
1536 | Vfirst, Vlast, After, |
1537 | F1, addPCurve1, F2, addPCurve2); |
7fd59977 |
1538 | CurEdge = NewEdge; |
1539 | } //end of for (Standard_Integer j = 2; j <= EdgesForConcat.Length(); j++) |
1540 | |
1541 | return CurEdge; |
1542 | } |
1543 | |
1544 | //======================================================================= |
1545 | //function : Inter3D |
1546 | //purpose : |
1547 | //======================================================================= |
1548 | |
1549 | void BRepOffset_Tool::Inter3D(const TopoDS_Face& F1, |
ab87e6fc |
1550 | const TopoDS_Face& F2, |
1551 | TopTools_ListOfShape& L1, |
1552 | TopTools_ListOfShape& L2, |
1553 | const TopAbs_State Side, |
1554 | const TopoDS_Edge& RefEdge, |
1555 | const Standard_Boolean IsRefEdgeDefined) |
7fd59977 |
1556 | { |
1557 | #ifdef DRAW |
1558 | if (AffichInter) { |
1896126e |
1559 | char name[256]; |
7fd59977 |
1560 | sprintf(name,"FF_%d",NbFaces++); |
1561 | DBRep::Set(name,F1); |
1562 | sprintf(name,"FF_%d",NbFaces++); |
1563 | DBRep::Set(name,F2); |
1564 | } |
1565 | #endif |
1566 | |
1567 | TopoDS_Face cpF1=F1; |
1568 | TopoDS_Face cpF2=F2; |
1569 | // create 3D curves on faces |
1570 | BRepLib::BuildCurves3d(cpF1); |
1571 | BRepLib::BuildCurves3d(cpF2); |
1572 | |
4e57c75e |
1573 | BOPAlgo_PaveFiller aPF1, aPF2; |
1574 | BOPCol_ListOfShape aLS; |
1575 | aLS.Append(cpF1); |
1576 | aLS.Append(cpF2); |
1577 | aPF1.SetArguments(aLS); |
1578 | // |
1579 | aPF1.Perform(); |
7fd59977 |
1580 | |
ab87e6fc |
1581 | BOPAlgo_PaveFiller *pPF = &aPF1; |
1582 | |
4e57c75e |
1583 | aLS.Clear(); |
7fd59977 |
1584 | TopTools_IndexedMapOfShape TrueEdges; |
4e57c75e |
1585 | if (IsRefEdgeDefined && !CheckIntersFF( pPF->PDS(), RefEdge, cpF1, cpF2, TrueEdges )) |
7fd59977 |
1586 | { |
1587 | cpF1 = F2; |
1588 | cpF2 = F1; |
4e57c75e |
1589 | aLS.Append(cpF1); |
1590 | aLS.Append(cpF2); |
1591 | aPF2.SetArguments(aLS); |
1592 | aPF2.Perform(); |
1593 | pPF = &aPF2; |
1594 | CheckIntersFF( pPF->PDS(), RefEdge, cpF1, cpF2, TrueEdges ); |
7fd59977 |
1595 | } |
1596 | |
4e57c75e |
1597 | Standard_Boolean addPCurve1 = 1; |
1598 | Standard_Boolean addPCurve2 = 1; |
7fd59977 |
1599 | |
4e57c75e |
1600 | const BOPDS_PDS& pDS = pPF->PDS(); |
1601 | BOPDS_VectorOfInterfFF& aFFs=pDS->InterfFF(); |
7fd59977 |
1602 | Standard_Integer aNb = aFFs.Extent(); |
1603 | Standard_Integer i = 0, j = 0, k; |
1604 | // Store Result |
1605 | L1.Clear(); L2.Clear(); |
1606 | TopAbs_Orientation O1,O2; |
1607 | |
4e57c75e |
1608 | for (i = 0; i < aNb; i++) { |
1609 | BOPDS_InterfFF& aFFi=aFFs(i); |
1610 | const BOPDS_VectorOfCurve& aBCurves=aFFi.Curves(); |
7fd59977 |
1611 | |
ab87e6fc |
1612 | Standard_Integer aNbCurves = aBCurves.Extent(); |
1613 | |
4e57c75e |
1614 | for (j = 0; j < aNbCurves; j++) { |
1615 | const BOPDS_Curve& aBC=aBCurves(j); |
1616 | const BOPDS_ListOfPaveBlock& aSectEdges = aBC.PaveBlocks(); |
ab87e6fc |
1617 | |
4e57c75e |
1618 | BOPDS_ListIteratorOfListOfPaveBlock aPBIt; |
1619 | aPBIt.Initialize(aSectEdges); |
7fd59977 |
1620 | |
1621 | for (; aPBIt.More(); aPBIt.Next()) { |
4e57c75e |
1622 | const Handle(BOPDS_PaveBlock)& aPB = aPBIt.Value(); |
1623 | Standard_Integer nSect = aPB->Edge(); |
1624 | const TopoDS_Edge& anEdge = *(TopoDS_Edge*)&pDS->Shape(nSect); |
ab87e6fc |
1625 | if (!TrueEdges.IsEmpty() && !TrueEdges.Contains(anEdge)) |
1626 | continue; |
7fd59977 |
1627 | |
1628 | Standard_Real f, l; |
ab87e6fc |
1629 | const Handle(Geom_Curve)& aC3DE = BRep_Tool::Curve(anEdge, f, l); |
1630 | Handle(Geom_TrimmedCurve) aC3DETrim; |
1631 | |
1632 | if(!aC3DE.IsNull()) |
7fd59977 |
1633 | aC3DETrim = new Geom_TrimmedCurve(aC3DE, f, l); |
1634 | |
1635 | BRep_Builder aBB; |
ab87e6fc |
1636 | Standard_Real aTolEdge = BRep_Tool::Tolerance(anEdge); |
1637 | |
4e57c75e |
1638 | if (!BOPTools_AlgoTools2D::HasCurveOnSurface(anEdge, cpF1)) { |
7fd59977 |
1639 | Handle(Geom2d_Curve) aC2d = aBC.Curve().FirstCurve2d(); |
1640 | if(!aC3DETrim.IsNull()) { |
ab87e6fc |
1641 | Handle(Geom2d_Curve) aC2dNew; |
1642 | |
1643 | if(aC3DE->IsPeriodic()) { |
4e57c75e |
1644 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF1, f, l, aC2d, aC2dNew); |
ab87e6fc |
1645 | } |
1646 | else { |
4e57c75e |
1647 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF1, aC3DETrim, aC2d, aC2dNew); |
ab87e6fc |
1648 | } |
1649 | aC2d = aC2dNew; |
1650 | } |
1651 | aBB.UpdateEdge(anEdge, aC2d, cpF1, aTolEdge); |
7fd59977 |
1652 | } |
1653 | |
4e57c75e |
1654 | if (!BOPTools_AlgoTools2D::HasCurveOnSurface(anEdge, cpF2)) { |
7fd59977 |
1655 | Handle(Geom2d_Curve) aC2d = aBC.Curve().SecondCurve2d(); |
1656 | if(!aC3DETrim.IsNull()) { |
ab87e6fc |
1657 | Handle(Geom2d_Curve) aC2dNew; |
1658 | |
1659 | if(aC3DE->IsPeriodic()) { |
4e57c75e |
1660 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF2, f, l, aC2d, aC2dNew); |
ab87e6fc |
1661 | } |
1662 | else { |
4e57c75e |
1663 | BOPTools_AlgoTools2D::AdjustPCurveOnFace(cpF2, aC3DETrim, aC2d, aC2dNew); |
ab87e6fc |
1664 | } |
1665 | aC2d = aC2dNew; |
1666 | } |
1667 | aBB.UpdateEdge(anEdge, aC2d, cpF2, aTolEdge); |
7fd59977 |
1668 | } |
1669 | |
1670 | OrientSection (anEdge, F1, F2, O1, O2); |
1671 | if (Side == TopAbs_OUT) { |
1672 | O1 = TopAbs::Reverse(O1); |
1673 | O2 = TopAbs::Reverse(O2); |
1674 | } |
1675 | |
1676 | L1.Append (anEdge.Oriented(O1)); |
1677 | L2.Append (anEdge.Oriented(O2)); |
1678 | |
1679 | #ifdef DRAW |
1680 | if (AffichInter) { |
1896126e |
1681 | char name[256]; |
ab87e6fc |
1682 | sprintf(name,"EI_%d",NbNewEdges++); |
7fd59977 |
1683 | DBRep::Set(name,anEdge.Oriented(O1)); |
1684 | |
1685 | } |
1686 | #endif |
1687 | } |
1688 | } |
1689 | } |
1690 | |
1691 | Standard_Real aSameParTol = Precision::Confusion(); |
1692 | Standard_Boolean isEl1 = Standard_False, isEl2 = Standard_False; |
1693 | |
1694 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(cpF1); |
1695 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
c5f3a425 |
1696 | aSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (aSurf)->BasisSurface(); |
7fd59977 |
1697 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1698 | addPCurve1 = Standard_False; |
1699 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1700 | isEl1 = Standard_True; |
1701 | |
1702 | aSurf = BRep_Tool::Surface(cpF2); |
1703 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) |
c5f3a425 |
1704 | aSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (aSurf)->BasisSurface(); |
7fd59977 |
1705 | if (aSurf->IsInstance(STANDARD_TYPE(Geom_Plane))) |
1706 | addPCurve2 = Standard_False; |
1707 | else if (aSurf->IsKind(STANDARD_TYPE(Geom_ElementarySurface))) |
1708 | isEl2 = Standard_True; |
1709 | |
1710 | if (L1.Extent() > 1 && (!isEl1 || !isEl2)) { |
1711 | TopTools_SequenceOfShape eseq; |
1712 | TopTools_SequenceOfShape EdgesForConcat; |
1713 | |
1714 | if (!TrueEdges.IsEmpty()) |
1715 | { |
ab87e6fc |
1716 | for (i = TrueEdges.Extent(); i >= 1; i--) |
1717 | EdgesForConcat.Append( TrueEdges(i) ); |
1718 | TopoDS_Edge theEdge = |
4e57c75e |
1719 | AssembleEdge( pDS, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
ab87e6fc |
1720 | eseq.Append(theEdge); |
7fd59977 |
1721 | } |
1722 | else |
1723 | { |
ab87e6fc |
1724 | |
1725 | TopTools_SequenceOfShape wseq; |
1726 | TopTools_SequenceOfShape edges; |
1727 | TopTools_ListIteratorOfListOfShape itl(L1); |
1728 | for (; itl.More(); itl.Next()) |
1729 | edges.Append( itl.Value() ); |
1730 | while (!edges.IsEmpty()) |
1731 | { |
1732 | TopoDS_Edge anEdge = TopoDS::Edge( edges.First() ); |
1733 | TopoDS_Wire aWire = BRepLib_MakeWire( anEdge ), resWire; |
1734 | TColStd_SequenceOfInteger Candidates; |
1735 | for (k = 1; k <= wseq.Length(); k++) |
1736 | { |
1737 | resWire = TopoDS::Wire(wseq(k)); |
96a95605 |
1738 | if (AreConnex( resWire, aWire, pDS )) |
ab87e6fc |
1739 | { |
1740 | Candidates.Append( 1 ); |
1741 | break; |
1742 | } |
1743 | } |
1744 | if (Candidates.IsEmpty()) |
1745 | { |
1746 | wseq.Append( aWire ); |
1747 | edges.Remove(1); |
1748 | } |
1749 | else |
1750 | { |
1751 | for (j = 2; j <= edges.Length(); j++) |
1752 | { |
1753 | anEdge = TopoDS::Edge( edges(j) ); |
1754 | //if (anEdge.IsSame(edges(Candidates.First()))) |
1755 | //continue; |
1756 | aWire = BRepLib_MakeWire( anEdge ); |
96a95605 |
1757 | if (AreConnex( resWire, aWire, pDS )) |
ab87e6fc |
1758 | Candidates.Append( j ); |
1759 | } |
1760 | Standard_Integer minind = 1; |
1761 | if (Candidates.Length() > 1) |
1762 | { |
1763 | Standard_Real MinAngle = RealLast(); |
1764 | for (j = 1; j <= Candidates.Length(); j++) |
1765 | { |
1766 | anEdge = TopoDS::Edge( edges(Candidates(j)) ); |
1767 | Standard_Real anAngle = AngleWireEdge( resWire, anEdge ); |
1768 | if (anAngle < MinAngle) |
1769 | { |
1770 | MinAngle = anAngle; |
1771 | minind = j; |
1772 | } |
1773 | } |
1774 | } |
1775 | TopoDS_Wire NewWire = BRepLib_MakeWire( resWire, TopoDS::Edge(edges(Candidates(minind))) ); |
1776 | wseq(k) = NewWire; |
1777 | edges.Remove(Candidates(minind)); |
1778 | } |
1779 | } //end of while (!edges.IsEmpty()) |
1780 | |
1781 | for (i = 1; i <= wseq.Length(); i++) |
1782 | { |
1783 | TopoDS_Wire aWire = TopoDS::Wire(wseq(i)); |
1784 | TopTools_SequenceOfShape EdgesForConcat; |
1785 | if (aWire.Closed()) |
1786 | { |
1787 | TopoDS_Vertex StartVertex; |
1788 | TopoDS_Edge StartEdge; |
1789 | Standard_Boolean StartFound = Standard_False; |
1790 | TopTools_ListOfShape Elist; |
1791 | |
1792 | TopoDS_Iterator itw(aWire); |
1793 | for (; itw.More(); itw.Next()) |
1794 | { |
1795 | TopoDS_Edge anEdge = TopoDS::Edge(itw.Value()); |
1796 | if (StartFound) |
1797 | Elist.Append(anEdge); |
1798 | else |
1799 | { |
1800 | TopoDS_Vertex V1, V2; |
1801 | TopExp::Vertices( anEdge, V1, V2 ); |
96a95605 |
1802 | if (!IsAutonomVertex( V1, pDS )) |
ab87e6fc |
1803 | { |
1804 | StartVertex = V2; |
1805 | StartEdge = anEdge; |
1806 | StartFound = Standard_True; |
1807 | } |
96a95605 |
1808 | else if (!IsAutonomVertex( V2, pDS )) |
ab87e6fc |
1809 | { |
1810 | StartVertex = V1; |
1811 | StartEdge = anEdge; |
1812 | StartFound = Standard_True; |
1813 | } |
1814 | else |
1815 | Elist.Append(anEdge); |
1816 | } |
1817 | } //end of for (; itw.More(); itw.Next()) |
1818 | if (!StartFound) |
1819 | { |
1820 | itl.Initialize(Elist); |
1821 | StartEdge = TopoDS::Edge(itl.Value()); |
1822 | Elist.Remove(itl); |
1823 | TopoDS_Vertex V1, V2; |
1824 | TopExp::Vertices( StartEdge, V1, V2 ); |
1825 | StartVertex = V1; |
1826 | } |
1827 | EdgesForConcat.Append( StartEdge ); |
1828 | while (!Elist.IsEmpty()) |
1829 | { |
1830 | for (itl.Initialize(Elist); itl.More(); itl.Next()) |
1831 | { |
1832 | TopoDS_Edge anEdge = TopoDS::Edge(itl.Value()); |
1833 | TopoDS_Vertex V1, V2; |
1834 | TopExp::Vertices( anEdge, V1, V2 ); |
1835 | if (V1.IsSame(StartVertex)) |
1836 | { |
1837 | StartVertex = V2; |
1838 | EdgesForConcat.Append( anEdge ); |
1839 | Elist.Remove(itl); |
1840 | break; |
1841 | } |
1842 | else if (V2.IsSame(StartVertex)) |
1843 | { |
1844 | StartVertex = V1; |
1845 | EdgesForConcat.Append( anEdge ); |
1846 | Elist.Remove(itl); |
1847 | break; |
1848 | } |
1849 | } |
1850 | } //end of while (!Elist.IsEmpty()) |
1851 | } //end of if (aWire.Closed()) |
1852 | else |
1853 | { |
1854 | BRepTools_WireExplorer Wexp( aWire ); |
1855 | for (; Wexp.More(); Wexp.Next()) |
1856 | EdgesForConcat.Append( Wexp.Current() ); |
1857 | } |
1858 | |
1859 | TopoDS_Edge theEdge = |
4e57c75e |
1860 | AssembleEdge( pDS, cpF1, cpF2, addPCurve1, addPCurve2, EdgesForConcat ); |
ab87e6fc |
1861 | eseq.Append( theEdge ); |
1862 | } |
7fd59977 |
1863 | } //end of else (when TrueEdges is empty) |
1864 | |
1865 | if (eseq.Length() < L1.Extent()) |
1866 | { |
ab87e6fc |
1867 | L1.Clear(); |
1868 | L2.Clear(); |
1869 | for (i = 1; i <= eseq.Length(); i++) |
1870 | { |
1871 | TopoDS_Edge anEdge = TopoDS::Edge(eseq(i)); |
1872 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1873 | Standard_Real EdgeTol = BRep_Tool::Tolerance(anEdge); |
0797d9d3 |
1874 | #ifdef OCCT_DEBUG |
ab87e6fc |
1875 | cout<<"Tolerance of glued E = "<<EdgeTol<<endl; |
7fd59977 |
1876 | #endif |
ab87e6fc |
1877 | if (EdgeTol > 1.e-2) |
1878 | continue; |
7fd59977 |
1879 | |
ab87e6fc |
1880 | if (EdgeTol >= 1.e-4) |
1881 | { |
1882 | ReconstructPCurves(anEdge); |
1883 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
0797d9d3 |
1884 | #ifdef OCCT_DEBUG |
ab87e6fc |
1885 | cout<<"After projection tol of E = "<<BRep_Tool::Tolerance(anEdge)<<endl; |
7fd59977 |
1886 | #endif |
ab87e6fc |
1887 | } |
1888 | |
1889 | OrientSection( anEdge, F1, F2, O1, O2 ); |
1890 | if (Side == TopAbs_OUT) |
1891 | { |
1892 | O1 = TopAbs::Reverse(O1); |
1893 | O2 = TopAbs::Reverse(O2); |
1894 | } |
1895 | |
1896 | L1.Append( anEdge.Oriented(O1) ); |
1897 | L2.Append( anEdge.Oriented(O2) ); |
1898 | } |
7fd59977 |
1899 | } |
1900 | } //end of if (L1.Extent() > 1) |
1901 | |
1902 | else |
1903 | { |
1904 | TopTools_ListIteratorOfListOfShape itl(L1); |
1905 | for (; itl.More(); itl.Next()) |
ab87e6fc |
1906 | { |
1907 | const TopoDS_Edge& anEdge = TopoDS::Edge( itl.Value() ); |
1908 | BRepLib::SameParameter(anEdge, aSameParTol, Standard_True); |
1909 | } |
7fd59977 |
1910 | } |
1911 | } |
1912 | |
1913 | //======================================================================= |
1914 | //function : TryProject |
1915 | //purpose : |
1916 | //======================================================================= |
1917 | |
1918 | Standard_Boolean BRepOffset_Tool::TryProject |
1919 | (const TopoDS_Face& F1, |
1920 | const TopoDS_Face& F2, |
1921 | const TopTools_ListOfShape& Edges, |
1922 | TopTools_ListOfShape& LInt1, |
1923 | TopTools_ListOfShape& LInt2, |
1924 | const TopAbs_State Side, |
1925 | const Standard_Real TolConf) |
1926 | { |
1927 | #ifdef DRAW |
1928 | if (AffichInter) { |
1896126e |
1929 | char name[256]; |
7fd59977 |
1930 | sprintf(name,"FF_%d",NbFaces++); |
1931 | DBRep::Set(name,F1); |
1932 | sprintf(name,"FF_%d",NbFaces++); |
1933 | DBRep::Set(name,F2); |
1934 | } |
1935 | #endif |
1936 | |
1937 | // try to find if the edges <Edges> are laying on the face F1. |
1938 | LInt1.Clear(); LInt2.Clear(); |
1939 | TopTools_ListIteratorOfListOfShape it(Edges); |
1940 | Standard_Boolean isOk = Standard_True; |
1941 | Standard_Boolean Ok = Standard_True; |
1942 | TopAbs_Orientation O1,O2; |
1943 | Handle(Geom_Surface) Bouchon = BRep_Tool::Surface(F1); |
1944 | BRep_Builder B; |
1945 | |
1946 | for ( ; it.More(); it.Next()) { |
1947 | TopLoc_Location L; |
1948 | Standard_Real f,l; |
1949 | TopoDS_Edge CurE = TopoDS::Edge(it.Value()); |
1950 | Handle(Geom_Curve) C = BRep_Tool::Curve(CurE,L,f,l); |
1951 | if (C.IsNull()) { |
1952 | BRepLib::BuildCurve3d(CurE,BRep_Tool::Tolerance(CurE)); |
1953 | C = BRep_Tool::Curve(CurE,L,f,l); |
1954 | } |
1955 | C = new Geom_TrimmedCurve(C,f,l); |
1956 | if ( !L.IsIdentity()) C->Transform(L); |
1957 | Standard_Real TolReached; |
1958 | isOk = IsOnSurface(C,Bouchon,TolConf,TolReached); |
1959 | |
1960 | if ( isOk) { |
1961 | B.UpdateEdge(CurE,TolReached); |
1962 | BuildPCurves(CurE,F1); |
1963 | OrientSection (CurE,F1,F2,O1,O2); |
1964 | if (Side == TopAbs_OUT) { |
ab87e6fc |
1965 | O1 = TopAbs::Reverse(O1); |
1966 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
1967 | } |
1968 | LInt1.Append (CurE.Oriented(O1)); |
1969 | LInt2.Append (CurE.Oriented(O2)); |
1970 | #ifdef DRAW |
1971 | if (AffichInter) { |
1896126e |
1972 | char name[256]; |
1973 | sprintf(name,"EI_%d",NbNewEdges++); |
ab87e6fc |
1974 | DBRep::Set(name,CurE.Oriented(O1)); |
7fd59977 |
1975 | } |
1976 | #endif |
1977 | } |
1978 | else |
1979 | Ok = Standard_False; |
1980 | } |
1981 | return Ok; |
1982 | } |
1983 | |
1984 | |
1985 | //======================================================================= |
1986 | //function : InterOrExtent |
1987 | //purpose : |
1988 | //======================================================================= |
1989 | |
1990 | void BRepOffset_Tool::InterOrExtent(const TopoDS_Face& F1, |
ab87e6fc |
1991 | const TopoDS_Face& F2, |
1992 | TopTools_ListOfShape& L1, |
1993 | TopTools_ListOfShape& L2, |
1994 | const TopAbs_State Side) |
7fd59977 |
1995 | { |
1996 | #ifdef DRAW |
1997 | if (AffichInter) { |
1896126e |
1998 | char name[256]; |
7fd59977 |
1999 | sprintf(name,"FF_%d",NbFaces++); |
2000 | DBRep::Set(name,F1); |
2001 | sprintf(name,"FF_%d",NbFaces++); |
2002 | DBRep::Set(name,F2); |
2003 | } |
2004 | #endif |
2005 | |
2006 | Handle (Geom_Curve) CI; |
2007 | TopoDS_Edge E; |
2008 | TopAbs_Orientation O1,O2; |
2009 | L1.Clear(); L2.Clear(); |
2010 | Handle (Geom_Surface) S1 = BRep_Tool::Surface(F1); |
2011 | Handle (Geom_Surface) S2 = BRep_Tool::Surface(F2); |
2012 | |
2013 | if (S1->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2014 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
c5f3a425 |
2015 | RTS = Handle(Geom_RectangularTrimmedSurface)::DownCast (S1); |
7fd59977 |
2016 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2017 | S1 = RTS->BasisSurface(); |
2018 | } |
2019 | } |
2020 | if (S2->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
2021 | Handle(Geom_RectangularTrimmedSurface) RTS ; |
c5f3a425 |
2022 | RTS = Handle(Geom_RectangularTrimmedSurface)::DownCast (S2); |
7fd59977 |
2023 | if (RTS->BasisSurface()->DynamicType() == STANDARD_TYPE(Geom_Plane)) { |
2024 | S2 = RTS->BasisSurface(); |
2025 | } |
2026 | } |
2027 | |
2028 | GeomInt_IntSS Inter (S1,S2, Precision::Confusion()); |
2029 | |
2030 | if (Inter.IsDone()) { |
2031 | for (Standard_Integer i = 1; i <= Inter.NbLines(); i++) { |
2032 | CI = Inter.Line(i); |
2033 | |
2034 | if (ToSmall(CI)) continue; |
2035 | TopoDS_Edge E = BRepLib_MakeEdge(CI); |
2036 | BuildPCurves (E,F1); |
2037 | BuildPCurves (E,F2); |
2038 | OrientSection (E,F1,F2,O1,O2); |
2039 | if (Side == TopAbs_OUT) { |
ab87e6fc |
2040 | O1 = TopAbs::Reverse(O1); |
2041 | O2 = TopAbs::Reverse(O2); |
7fd59977 |
2042 | } |
2043 | L1.Append (E.Oriented(O1)); |
2044 | L2.Append (E.Oriented(O2)); |
2045 | #ifdef DRAW |
2046 | if (AffichInter) { |
1896126e |
2047 | char name[256]; |
ab87e6fc |
2048 | sprintf(name,"EI_%d",NbNewEdges++); |
2049 | DBRep::Set(name,E.Oriented(O1)); |
7fd59977 |
2050 | } |
2051 | #endif |
2052 | } |
2053 | } |
2054 | } |
2055 | |
2056 | //======================================================================= |
2057 | //function : ExtentEdge |
2058 | //purpose : |
2059 | //======================================================================= |
2060 | |
2061 | static void ExtentEdge(const TopoDS_Face& F, |
ab87e6fc |
2062 | const TopoDS_Face& EF, |
2063 | const TopoDS_Edge& E, |
2064 | TopoDS_Edge& NE) |
7fd59977 |
2065 | { |
2066 | BRepAdaptor_Curve CE(E); |
2067 | GeomAbs_CurveType Type = CE.GetType(); |
2068 | TopoDS_Shape aLocalEdge = E.EmptyCopied(); |
2069 | NE = TopoDS::Edge(aLocalEdge); |
2070 | // NE = TopoDS::Edge(E.EmptyCopied()); |
2071 | |
2072 | if (Type == GeomAbs_Line || Type == GeomAbs_Circle || Type == GeomAbs_Ellipse || |
2073 | Type == GeomAbs_Hyperbola || Type == GeomAbs_Parabola) { |
2074 | return; |
2075 | } |
2076 | // Extension en tangence jusqu'au bord de la surface. |
2077 | Standard_Real PMax = 1.e2; |
2078 | TopLoc_Location L; |
2079 | Handle(Geom_Surface) S = BRep_Tool::Surface(F,L); |
2080 | Standard_Real umin,umax,vmin,vmax; |
2081 | |
2082 | S->Bounds(umin,umax,vmin,vmax); |
2083 | umin = Max(umin,-PMax);vmin = Max(vmin,-PMax); |
2084 | umax = Min(umax, PMax);vmax = Min(vmax, PMax); |
2085 | |
2086 | |
2087 | Standard_Real f,l; |
2088 | Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E,F,f,l); |
2089 | |
2090 | //calcul point cible . ie point d'intersection du prolongement tangent et des bords. |
2091 | gp_Pnt2d P; |
2092 | gp_Vec2d Tang; |
2093 | C2d->D1(CE.FirstParameter(),P,Tang); |
2094 | Standard_Real tx,ty,tmin; |
2095 | tx = ty = Precision::Infinite(); |
2096 | if (Abs(Tang.X()) > Precision::Confusion()) |
2097 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2098 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2099 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2100 | tmin = Min (tx,ty); |
2101 | Tang = tmin*Tang; |
2102 | gp_Pnt2d PF2d (P.X() - Tang.X(),P.Y() - Tang.Y()); |
2103 | |
2104 | C2d->D1(CE.LastParameter(),P,Tang); |
2105 | tx = ty = Precision::Infinite(); |
2106 | if (Abs(Tang.X()) > Precision::Confusion()) |
2107 | tx = Min (Abs((umax - P.X())/Tang.X()), Abs((umin - P.X())/Tang.X())); |
2108 | if (Abs(Tang.Y()) > Precision::Confusion()) |
2109 | ty = Min (Abs((vmax - P.Y())/Tang.Y()), Abs((vmin - P.Y())/Tang.Y())); |
2110 | tmin = Min (tx,ty); |
2111 | Tang = tmin*Tang; |
2112 | gp_Pnt2d PL2d (P.X() + Tang.X(),P.Y() + Tang.Y()); |
2113 | |
2114 | Handle(Geom_Curve) CC = GeomAPI::To3d(C2d,gp_Pln(gp::XOY())); |
2115 | gp_Pnt PF(PF2d.X(),PF2d.Y(),0.); |
2116 | gp_Pnt PL(PL2d.X(),PL2d.Y(),0.); |
2117 | |
2118 | Handle(Geom_BoundedCurve) ExtC = Handle(Geom_BoundedCurve)::DownCast(CC); |
2119 | if (ExtC.IsNull()) return; |
2120 | |
2121 | GeomLib::ExtendCurveToPoint(ExtC,PF,1,0); |
2122 | GeomLib::ExtendCurveToPoint(ExtC,PL,1,1); |
2123 | |
2124 | Handle(Geom2d_Curve) CNE2d = GeomAPI::To2d(ExtC,gp_Pln(gp::XOY())); |
2125 | |
2126 | //Construction de la nouvelle arrete; |
2127 | BRep_Builder B; |
2128 | B.MakeEdge(NE); |
2129 | // B.UpdateEdge (NE,CNE2d,F,BRep_Tool::Tolerance(E)); |
2130 | B.UpdateEdge (NE,CNE2d,EF,BRep_Tool::Tolerance(E)); |
2131 | B.Range (NE,CNE2d->FirstParameter(), CNE2d->LastParameter()); |
2132 | NE.Orientation(E.Orientation()); |
2133 | #ifdef DRAW |
2134 | if (AffichExtent) { |
1896126e |
2135 | char name[256]; |
7fd59977 |
2136 | sprintf (name,"F_%d",NbExtE); |
2137 | DBRep::Set(name,EF); |
2138 | sprintf (name,"OE_%d",NbExtE); |
2139 | DBRep::Set (name,E); |
2140 | sprintf (name,"ExtE_%d",NbExtE++); |
2141 | DBRep::Set(name,NE); |
2142 | } |
2143 | #endif |
2144 | } |
2145 | |
2146 | //======================================================================= |
2147 | //function : ProjectVertexOnEdge |
2148 | //purpose : |
2149 | //======================================================================= |
2150 | |
2151 | static Standard_Boolean ProjectVertexOnEdge(TopoDS_Vertex& V, |
ab87e6fc |
2152 | const TopoDS_Edge& E, |
2153 | Standard_Real TolConf) |
7fd59977 |
2154 | { |
2155 | #ifdef DRAW |
2156 | if (AffichExtent) { |
2157 | DBRep::Set("V",V); |
2158 | DBRep::Set("E",E); |
2159 | } |
2160 | #endif |
2161 | BRep_Builder B; |
2162 | Standard_Real f,l; |
7fd59977 |
2163 | Standard_Real U = 0.; |
7fd59977 |
2164 | TopLoc_Location L; |
2165 | Standard_Boolean found = Standard_False; |
2166 | |
2167 | gp_Pnt P = BRep_Tool::Pnt (V); |
2168 | BRepAdaptor_Curve C = BRepAdaptor_Curve(E); |
2169 | f = C.FirstParameter(); l = C.LastParameter(); |
2170 | |
2171 | if (V.Orientation() == TopAbs_FORWARD) { |
2172 | if (Abs(f) < Precision::Infinite()) { |
2173 | gp_Pnt PF = C.Value (f); |
2174 | if (PF.IsEqual(P,TolConf)) { |
ab87e6fc |
2175 | U = f; |
2176 | found = Standard_True; |
7fd59977 |
2177 | } |
2178 | } |
2179 | } |
2180 | if (V.Orientation() == TopAbs_REVERSED) { |
2181 | if (!found && Abs(l) < Precision::Infinite()) { |
2182 | gp_Pnt PL = C.Value (l); |
2183 | if (PL.IsEqual(P,TolConf)) { |
ab87e6fc |
2184 | U = l; |
2185 | found = Standard_True; |
7fd59977 |
2186 | } |
2187 | } |
2188 | } |
2189 | if (!found) { |
2190 | Extrema_ExtPC Proj(P,C); |
2191 | if (Proj.IsDone() && Proj.NbExt() > 0) { |
2192 | Standard_Real Dist2,Dist2Min = Proj.SquareDistance(1); |
2193 | U = Proj.Point(1).Parameter(); |
2194 | for (Standard_Integer i = 2; i <= Proj.NbExt(); i++) { |
ab87e6fc |
2195 | Dist2 = Proj.SquareDistance(i); |
2196 | if (Dist2 < Dist2Min) { |
2197 | Dist2Min = Dist2; |
2198 | U = Proj.Point(i).Parameter(); |
2199 | } |
7fd59977 |
2200 | } |
2201 | found = Standard_True; |
2202 | } |
2203 | } |
2204 | |
0797d9d3 |
2205 | #ifdef OCCT_DEBUG |
7fd59977 |
2206 | if (AffichExtent) { |
2207 | Standard_Real Dist = P.Distance(C.Value(U)); |
2208 | if (Dist > TolConf) { |
2209 | cout << " ProjectVertexOnEdge :distance vertex edge :"<<Dist<<endl; |
2210 | } |
2211 | if (U < f - Precision::Confusion() || |
ab87e6fc |
2212 | U > l + Precision::Confusion()) { |
7fd59977 |
2213 | cout << " ProjectVertexOnEdge : hors borne :"<<endl; |
2214 | cout << " f = "<<f<<" l ="<<l<< " U ="<<U<<endl; |
2215 | } |
2216 | } |
2217 | if (!found) { |
2218 | cout <<"BRepOffset_Tool::ProjectVertexOnEdge Parameter no found"<<endl; |
2219 | if (Abs(f) < Precision::Infinite() && |
ab87e6fc |
2220 | Abs(l) < Precision::Infinite()) { |
7fd59977 |
2221 | #ifdef DRAW |
2222 | DBRep::Set("E",E); |
2223 | #endif |
2224 | } |
2225 | } |
2226 | #endif |
2227 | if (found) { |
2228 | TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD); |
2229 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
2230 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
2231 | // TopoDS_Edge EE = TopoDS::Edge(E.Oriented(TopAbs_FORWARD)); |
2232 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
ab87e6fc |
2233 | U,EE,BRep_Tool::Tolerance(E)); |
7fd59977 |
2234 | |
2235 | } |
2236 | return found; |
2237 | } |
2238 | |
2239 | //======================================================================= |
ab87e6fc |
2240 | //function : Inter2d |
7fd59977 |
2241 | //purpose : |
2242 | //======================================================================= |
2243 | |
2244 | void BRepOffset_Tool::Inter2d (const TopoDS_Face& F, |
ab87e6fc |
2245 | const TopoDS_Edge& E1, |
2246 | const TopoDS_Edge& E2, |
2247 | TopTools_ListOfShape& LV, |
2248 | const Standard_Real TolConf) |
7fd59977 |
2249 | { |
2250 | #ifdef DRAW |
2251 | if (AffichExtent) { |
2252 | DBRep::Set("E1",E1); |
2253 | DBRep::Set("E2",E2); |
2254 | DBRep::Set("F",F); |
2255 | } |
2256 | #endif |
2257 | BRep_Builder B; |
2258 | Standard_Real fl1[2],fl2[2]; |
2259 | LV.Clear(); |
2260 | |
2261 | // Si l edge a ete etendu les pcurves ne sont pas forcement |
2262 | // a jour. |
2263 | BuildPCurves(E1,F); |
2264 | BuildPCurves(E2,F); |
2265 | |
2266 | |
2267 | // Construction des curves 3d si elles n existent pas |
2268 | // utile pour coder correctement les parametres des vertex |
2269 | // d intersection sur les edges. |
2270 | //TopLoc_Location L; |
2271 | //Standard_Real f,l; |
2272 | //Handle(Geom_Curve) C3d1 = BRep_Tool::Curve(E1,L,f,l); |
2273 | //if (C3d1.IsNull()) { |
2274 | // BRepLib::BuildCurve3d(E1,BRep_Tool::Tolerance(E1)); |
2275 | //} |
2276 | //Handle(Geom_Curve) C3d2 = BRep_Tool::Curve(E2,L,f,l); |
2277 | //if (C3d2.IsNull()) { |
2278 | // BRepLib::BuildCurve3d(E2,BRep_Tool::Tolerance(E2)); |
2279 | //} |
2280 | |
2281 | Standard_Integer NbPC1 = 1, NbPC2 = 1; |
2282 | if (BRep_Tool::IsClosed(E1,F)) NbPC1++; |
2283 | if (BRep_Tool::IsClosed(E2,F)) NbPC2++; |
2284 | |
2285 | Handle(Geom_Surface) S = BRep_Tool::Surface(F); |
2286 | Handle(Geom2d_Curve) C1, C2; |
2287 | Standard_Boolean YaSol = Standard_False; |
2288 | Standard_Integer itry = 0; |
2289 | |
2290 | while (!YaSol && itry < 2) { |
2291 | for ( Standard_Integer i = 1; i <= NbPC1 ; i++) { |
ab87e6fc |
2292 | TopoDS_Shape aLocalEdge = E1.Reversed(); |
7fd59977 |
2293 | if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2294 | else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
ab87e6fc |
2295 | F,fl1[0],fl1[1]); |
7fd59977 |
2296 | // if (i == 1) C1 = BRep_Tool::CurveOnSurface(E1,F,fl1[0],fl1[1]); |
2297 | // else C1 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E1.Reversed()), |
ab87e6fc |
2298 | // F,fl1[0],fl1[1]); |
7fd59977 |
2299 | for ( Standard_Integer j = 1; j <= NbPC2; j++ ) { |
ab87e6fc |
2300 | TopoDS_Shape aLocalEdge = E2.Reversed(); |
2301 | if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2302 | else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalEdge), |
2303 | F,fl2[0],fl2[1]); |
2304 | // if (j == 1) C2 = BRep_Tool::CurveOnSurface(E2,F,fl2[0],fl2[1]); |
2305 | // else C2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(E2.Reversed()), |
2306 | // F,fl2[0],fl2[1]); |
0797d9d3 |
2307 | #ifdef OCCT_DEBUG |
ab87e6fc |
2308 | if (C1.IsNull() || C2.IsNull()) { |
2309 | cout <<"Inter2d : Pas de pcurve"<<endl; |
7fd59977 |
2310 | #ifdef DRAW |
ab87e6fc |
2311 | DBRep::Set("E1",E1); |
2312 | DBRep::Set("E2",E2); |
2313 | DBRep::Set("F",F); |
7fd59977 |
2314 | #endif |
ab87e6fc |
2315 | return; |
2316 | } |
7fd59977 |
2317 | #endif |
ab87e6fc |
2318 | Standard_Real U1 = 0.,U2 = 0.; |
2319 | gp_Pnt2d P2d; |
2320 | if (itry == 1) { |
2321 | fl1[0] = C1->FirstParameter(); fl1[1] = C1->LastParameter(); |
2322 | fl2[0] = C2->FirstParameter(); fl2[1] = C2->LastParameter(); |
2323 | } |
2324 | Geom2dAdaptor_Curve AC1(C1,fl1[0],fl1[1]); |
2325 | Geom2dAdaptor_Curve AC2(C2,fl2[0],fl2[1]); |
2326 | |
2327 | if (itry == 0) { |
2328 | gp_Pnt2d P1[2],P2[2]; |
2329 | P1[0] = C1->Value(fl1[0]); P1[1] = C1->Value(fl1[1]); |
2330 | P2[0] = C2->Value(fl2[0]); P2[1] = C2->Value(fl2[1]); |
2331 | |
2332 | Standard_Integer i1 ; |
2333 | for ( i1 = 0; i1 < 2; i1++) { |
2334 | for (Standard_Integer i2 = 0; i2 < 2; i2++) { |
2335 | if (Abs(fl1[i1]) < Precision::Infinite() && |
2336 | Abs(fl2[i2]) < Precision::Infinite() ) { |
2337 | if (P1[i1].IsEqual(P2[i2],TolConf)) { |
2338 | YaSol = Standard_True; |
2339 | U1 = fl1[i1]; U2 = fl2[i2]; |
2340 | P2d = C1->Value(U1); |
2341 | } |
2342 | } |
2343 | } |
2344 | } |
2345 | if (!YaSol) |
2346 | for (i1 = 0; i1 < 2; i1++) |
2347 | { |
2348 | Extrema_ExtPC2d extr( P1[i1], AC2 ); |
2349 | if (extr.IsDone() && extr.NbExt() > 0) |
2350 | { |
2351 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2352 | Standard_Integer IndexMin = 1; |
2353 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2354 | { |
2355 | Dist2 = extr.SquareDistance(ind); |
2356 | if (Dist2 < Dist2Min) |
2357 | { |
2358 | Dist2Min = Dist2; |
2359 | IndexMin = ind; |
2360 | } |
2361 | } |
08cd2f6b |
2362 | if (Dist2Min <= Precision::SquareConfusion()) |
ab87e6fc |
2363 | { |
2364 | YaSol = Standard_True; |
2365 | P2d = P1[i1]; |
2366 | U1 = fl1[i1]; |
2367 | U2 = (extr.Point(IndexMin)).Parameter(); |
2368 | break; |
2369 | } |
2370 | } |
2371 | } |
2372 | if (!YaSol) |
2373 | for (Standard_Integer i2 = 0; i2 < 2; i2++) |
2374 | { |
2375 | Extrema_ExtPC2d extr( P2[i2], AC1 ); |
2376 | if (extr.IsDone() && extr.NbExt() > 0) |
2377 | { |
2378 | Standard_Real Dist2, Dist2Min = extr.SquareDistance(1); |
2379 | Standard_Integer IndexMin = 1; |
2380 | for (Standard_Integer ind = 2; ind <= extr.NbExt(); ind++) |
2381 | { |
2382 | Dist2 = extr.SquareDistance(ind); |
2383 | if (Dist2 < Dist2Min) |
2384 | { |
2385 | Dist2Min = Dist2; |
2386 | IndexMin = ind; |
2387 | } |
2388 | } |
08cd2f6b |
2389 | if (Dist2Min <= Precision::SquareConfusion()) |
ab87e6fc |
2390 | { |
2391 | YaSol = Standard_True; |
2392 | P2d = P2[i2]; |
2393 | U2 = fl2[i2]; |
2394 | U1 = (extr.Point(IndexMin)).Parameter(); |
2395 | break; |
2396 | } |
2397 | } |
2398 | } |
2399 | } |
2400 | |
2401 | if (!YaSol) { |
2402 | Geom2dInt_GInter Inter (AC1,AC2,TolConf,TolConf); |
2403 | |
2404 | if (!Inter.IsEmpty() && Inter.NbPoints() > 0) { |
2405 | YaSol = Standard_True; |
2406 | U1 = Inter.Point(1).ParamOnFirst(); |
2407 | U2 = Inter.Point(1).ParamOnSecond(); |
2408 | P2d = Inter.Point(1).Value(); |
2409 | } |
2410 | else if (!Inter.IsEmpty() && Inter.NbSegments() > 0) { |
2411 | YaSol = Standard_True; |
2412 | IntRes2d_IntersectionSegment Seg = Inter.Segment(1); |
2413 | IntRes2d_IntersectionPoint IntP1 = Seg.FirstPoint(); |
2414 | IntRes2d_IntersectionPoint IntP2 = Seg.LastPoint(); |
2415 | Standard_Real U1on1 = IntP1.ParamOnFirst(); |
2416 | Standard_Real U1on2 = IntP2.ParamOnFirst(); |
2417 | Standard_Real U2on1 = IntP1.ParamOnSecond(); |
2418 | Standard_Real U2on2 = IntP2.ParamOnSecond(); |
0797d9d3 |
2419 | #ifdef OCCT_DEBUG |
ab87e6fc |
2420 | cout << " BRepOffset_Tool::Inter2d SEGMENT d intersection" << endl; |
2421 | cout << " ===> Parametres sur Curve1 : "; |
2422 | cout << U1on1 << " " << U1on2 << endl; |
2423 | cout << " ===> Parametres sur Curve2 : "; |
2424 | cout << U2on1 << " " << U2on2 << endl; |
7fd59977 |
2425 | #endif |
ab87e6fc |
2426 | U1 = (U1on1 + U1on2)/2.; |
2427 | U2 = (U2on1 + U2on2)/2.; |
2428 | gp_Pnt2d P2d1 = C1->Value(U1); |
2429 | gp_Pnt2d P2d2 = C2->Value(U2); |
2430 | P2d.SetX( (P2d1.X() + P2d2.X()) / 2.); |
2431 | P2d.SetY( (P2d1.Y() + P2d2.Y()) / 2.); |
2432 | } |
2433 | } |
2434 | if (YaSol) { |
2435 | gp_Pnt P = S->Value(P2d.X(),P2d.Y()); |
2436 | TopoDS_Vertex V = BRepLib_MakeVertex(P); |
2437 | V.Orientation(TopAbs_INTERNAL); |
2438 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2439 | B.UpdateVertex(V,U1,TopoDS::Edge(aLocalEdge),TolConf); |
2440 | aLocalEdge = E2.Oriented(TopAbs_FORWARD); |
2441 | B.UpdateVertex(V,U2,TopoDS::Edge(aLocalEdge),TolConf); |
2442 | // B.UpdateVertex(V,U1,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD)),TolConf); |
2443 | // B.UpdateVertex(V,U2,TopoDS::Edge(E2.Oriented(TopAbs_FORWARD)),TolConf); |
2444 | LV.Append(V); |
2445 | } |
7fd59977 |
2446 | } |
2447 | } |
2448 | itry++; |
2449 | } |
2450 | |
2451 | if (LV.Extent() > 1) { |
2452 | //------------------------------------------------ |
2453 | // garde seulement les vertex les plus proches du |
2454 | //debut et de la fin. |
2455 | //------------------------------------------------ |
2456 | TopTools_ListIteratorOfListOfShape it(LV); |
2457 | TopoDS_Vertex VF,VL; |
2458 | Standard_Real UMin = Precision::Infinite(); |
2459 | Standard_Real UMax = -Precision::Infinite(); |
2460 | Standard_Real U; |
2461 | |
2462 | for ( ; it.More(); it.Next()) { |
2463 | TopoDS_Vertex CV = TopoDS::Vertex(it.Value()); |
2464 | TopoDS_Shape aLocalEdge = E1.Oriented(TopAbs_FORWARD); |
2465 | U = BRep_Tool::Parameter(CV,TopoDS::Edge(aLocalEdge)); |
2466 | // U = BRep_Tool::Parameter(CV,TopoDS::Edge(E1.Oriented(TopAbs_FORWARD))); |
2467 | if ( U < UMin) { |
ab87e6fc |
2468 | VF = CV; UMin = U; |
7fd59977 |
2469 | } |
2470 | if ( U > UMax) { |
ab87e6fc |
2471 | VL = CV; UMax = U; |
7fd59977 |
2472 | } |
2473 | } |
2474 | LV.Clear();LV.Append(VF); LV.Append(VL); |
2475 | } |
2476 | |
0797d9d3 |
2477 | #ifdef OCCT_DEBUG |
7fd59977 |
2478 | if (!YaSol) { |
2479 | cout <<"Inter2d : Pas de solution"<<endl; |
2480 | #ifdef DRAW |
2481 | DBRep::Set("E1",E1); |
2482 | DBRep::Set("E2",E2); |
2483 | DBRep::Set("F",F); |
2484 | #endif |
2485 | } |
2486 | #endif |
2487 | } |
2488 | |
2489 | //======================================================================= |
2490 | //function : SelectEdge |
2491 | //purpose : |
2492 | //======================================================================= |
2493 | |
35e08fe8 |
2494 | static void SelectEdge (const TopoDS_Face& /*F*/, |
2495 | const TopoDS_Face& /*EF*/, |
ab87e6fc |
2496 | const TopoDS_Edge& E, |
2497 | TopTools_ListOfShape& LInt) |
7fd59977 |
2498 | { |
2499 | //------------------------------------------------------------ |
2500 | // detrompeur sur les intersections sur les faces periodiques |
2501 | //------------------------------------------------------------ |
2502 | TopTools_ListIteratorOfListOfShape it(LInt); |
2503 | Standard_Real dU = 1.0e100; |
2504 | TopoDS_Edge GE; |
2505 | |
2506 | Standard_Real Fst, Lst, tmp; |
2507 | BRep_Tool::Range(E, Fst, Lst); |
2508 | BRepAdaptor_Curve Ad1(E); |
2509 | |
2510 | gp_Pnt PFirst = Ad1.Value( Fst ); |
2511 | gp_Pnt PLast = Ad1.Value( Lst ); |
2512 | |
2513 | //---------------------------------------------------------------------- |
2514 | // Selection de l edge qui couvre le plus le domaine de l edge initiale. |
2515 | //---------------------------------------------------------------------- |
2516 | for (; it.More(); it.Next()) { |
2517 | const TopoDS_Edge& EI = TopoDS::Edge(it.Value()); |
2518 | |
2519 | BRep_Tool::Range(EI, Fst, Lst); |
2520 | BRepAdaptor_Curve Ad2(EI); |
2521 | gp_Pnt P1 = Ad2.Value(Fst); |
2522 | gp_Pnt P2 = Ad2.Value(Lst); |
2523 | |
2524 | tmp = P1.Distance(PFirst) + P2.Distance(PLast); |
2525 | if( tmp <= dU ) { |
2526 | dU = tmp; |
2527 | GE = EI; |
2528 | } |
2529 | |
2530 | } |
2531 | LInt.Clear(); |
2532 | LInt.Append(GE); |
2533 | } |
2534 | |
2535 | |
2536 | //======================================================================= |
2537 | //function : Init |
2538 | //purpose : |
2539 | //======================================================================= |
2540 | |
2541 | static void MakeFace(const Handle(Geom_Surface)& S, |
ab87e6fc |
2542 | const Standard_Real Um, |
2543 | const Standard_Real UM, |
2544 | const Standard_Real Vm, |
2545 | const Standard_Real VM, |
2546 | const Standard_Boolean isVminDegen, |
2547 | const Standard_Boolean isVmaxDegen, |
2548 | TopoDS_Face& F) |
7fd59977 |
2549 | { |
2550 | Standard_Real UMin = Um; |
2551 | Standard_Real UMax = UM; |
2552 | Standard_Real VMin = Vm; |
2553 | Standard_Real VMax = VM; |
2554 | Standard_Real epsilon = Precision::Confusion(); |
2555 | |
2556 | Standard_Real umin,umax,vmin,vmax; |
2557 | S->Bounds(umin,umax,vmin,vmax); |
2558 | |
2559 | |
2560 | // compute infinite flags |
2561 | Standard_Boolean umininf = Precision::IsNegativeInfinite(UMin); |
2562 | Standard_Boolean umaxinf = Precision::IsPositiveInfinite(UMax); |
2563 | Standard_Boolean vmininf = Precision::IsNegativeInfinite(VMin); |
2564 | Standard_Boolean vmaxinf = Precision::IsPositiveInfinite(VMax); |
2565 | |
2566 | // closed flag |
2567 | Standard_Boolean IsSuclosed = S->IsUClosed(), IsSvclosed = S->IsVClosed(); |
2568 | if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) |
2569 | { |
c5f3a425 |
2570 | Handle(Geom_Surface) BasisSurf = Handle(Geom_OffsetSurface)::DownCast (S)->BasisSurface(); |
7fd59977 |
2571 | IsSuclosed = BasisSurf->IsUClosed(); |
2572 | IsSvclosed = BasisSurf->IsVClosed(); |
2573 | } |
2574 | |
2575 | Standard_Boolean uclosed = |
2576 | IsSuclosed && |
2577 | Abs(UMin - umin) < epsilon && |
ab87e6fc |
2578 | Abs(UMax - umax) < epsilon; |
7fd59977 |
2579 | |
2580 | Standard_Boolean vclosed = |
2581 | IsSvclosed && |
2582 | Abs(VMin - vmin) < epsilon && |
ab87e6fc |
2583 | Abs(VMax - vmax) < epsilon; |
7fd59977 |
2584 | |
2585 | // degenerated flags (for cones) |
2586 | Standard_Boolean vmindegen = isVminDegen, vmaxdegen = isVmaxDegen; |
2587 | Handle(Geom_Surface) theSurf = S; |
2588 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
c5f3a425 |
2589 | theSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
7fd59977 |
2590 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
2591 | { |
c5f3a425 |
2592 | Handle(Geom_ConicalSurface) ConicalS = Handle(Geom_ConicalSurface)::DownCast (theSurf); |
7fd59977 |
2593 | gp_Cone theCone = ConicalS->Cone(); |
2594 | gp_Pnt theApex = theCone.Apex(); |
2595 | Standard_Real Uapex, Vapex; |
2596 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
2597 | if (Abs(VMin - Vapex) <= Precision::Confusion()) |
ab87e6fc |
2598 | vmindegen = Standard_True; |
7fd59977 |
2599 | if (Abs(VMax - Vapex) <= Precision::Confusion()) |
ab87e6fc |
2600 | vmaxdegen = Standard_True; |
7fd59977 |
2601 | } |
2602 | |
2603 | // compute vertices |
2604 | BRep_Builder B; |
2605 | Standard_Real tol = Precision::Confusion(); |
2606 | |
2607 | TopoDS_Vertex V00,V10,V11,V01; |
2608 | |
2609 | if (!umininf) { |
2610 | if (!vmininf) B.MakeVertex(V00,S->Value(UMin,VMin),tol); |
2611 | if (!vmaxinf) B.MakeVertex(V01,S->Value(UMin,VMax),tol); |
2612 | } |
2613 | if (!umaxinf) { |
2614 | if (!vmininf) B.MakeVertex(V10,S->Value(UMax,VMin),tol); |
2615 | if (!vmaxinf) B.MakeVertex(V11,S->Value(UMax,VMax),tol); |
2616 | } |
2617 | |
2618 | if (uclosed) { |
2619 | V10 = V00; |
2620 | V11 = V01; |
2621 | } |
2622 | |
2623 | if (vclosed) { |
2624 | V01 = V00; |
2625 | V11 = V10; |
2626 | } |
2627 | |
2628 | if (vmindegen) |
2629 | V10 = V00; |
2630 | if (vmaxdegen) |
2631 | V11 = V01; |
2632 | |
2633 | // make the lines |
2634 | Handle(Geom2d_Line) Lumin,Lumax,Lvmin,Lvmax; |
2635 | if (!umininf) |
2636 | Lumin = new Geom2d_Line(gp_Pnt2d(UMin,0),gp_Dir2d(0,1)); |
2637 | if (!umaxinf) |
2638 | Lumax = new Geom2d_Line(gp_Pnt2d(UMax,0),gp_Dir2d(0,1)); |
2639 | if (!vmininf) |
2640 | Lvmin = new Geom2d_Line(gp_Pnt2d(0,VMin),gp_Dir2d(1,0)); |
2641 | if (!vmaxinf) |
2642 | Lvmax = new Geom2d_Line(gp_Pnt2d(0,VMax),gp_Dir2d(1,0)); |
2643 | |
2644 | Handle(Geom_Curve) Cumin,Cumax,Cvmin,Cvmax; |
2645 | Standard_Real TolApex = 1.e-5; |
2646 | //Standard_Boolean hasiso = ! S->IsKind(STANDARD_TYPE(Geom_OffsetSurface)); |
2647 | Standard_Boolean hasiso = S->IsKind(STANDARD_TYPE(Geom_ElementarySurface)); |
2648 | if (hasiso) { |
2649 | if (!umininf) |
2650 | Cumin = S->UIso(UMin); |
2651 | if (!umaxinf) |
2652 | Cumax = S->UIso(UMax); |
2653 | if (!vmininf) |
2654 | { |
ab87e6fc |
2655 | Cvmin = S->VIso(VMin); |
2656 | if (BRepOffset_Tool::Gabarit( Cvmin ) <= TolApex) |
2657 | vmindegen = Standard_True; |
7fd59977 |
2658 | } |
2659 | if (!vmaxinf) |
2660 | { |
ab87e6fc |
2661 | Cvmax = S->VIso(VMax); |
2662 | if (BRepOffset_Tool::Gabarit( Cvmax ) <= TolApex) |
2663 | vmaxdegen = Standard_True; |
7fd59977 |
2664 | } |
2665 | } |
2666 | |
2667 | // make the face |
2668 | B.MakeFace(F,S,tol); |
2669 | |
2670 | // make the edges |
2671 | TopoDS_Edge eumin,eumax,evmin,evmax; |
2672 | |
2673 | if (!umininf) { |
2674 | if (hasiso) |
2675 | B.MakeEdge(eumin,Cumin,tol); |
2676 | else |
2677 | B.MakeEdge(eumin); |
2678 | if (uclosed) |
2679 | B.UpdateEdge(eumin,Lumax,Lumin,F,tol); |
2680 | else |
2681 | B.UpdateEdge(eumin,Lumin,F,tol); |
2682 | if (!vmininf) { |
2683 | V00.Orientation(TopAbs_FORWARD); |
2684 | B.Add(eumin,V00); |
2685 | } |
2686 | if (!vmaxinf) { |
2687 | V01.Orientation(TopAbs_REVERSED); |
2688 | B.Add(eumin,V01); |
2689 | } |
2690 | B.Range(eumin,VMin,VMax); |
2691 | } |
2692 | |
2693 | if (!umaxinf) { |
2694 | if (uclosed) |
2695 | eumax = eumin; |
2696 | else { |
2697 | if (hasiso) |
ab87e6fc |
2698 | B.MakeEdge(eumax,Cumax,tol); |
7fd59977 |
2699 | else |
ab87e6fc |
2700 | B.MakeEdge(eumax); |
7fd59977 |
2701 | B.UpdateEdge(eumax,Lumax,F,tol); |
2702 | if (!vmininf) { |
ab87e6fc |
2703 | V10.Orientation(TopAbs_FORWARD); |
2704 | B.Add(eumax,V10); |
7fd59977 |
2705 | } |
2706 | if (!vmaxinf) { |
ab87e6fc |
2707 | V11.Orientation(TopAbs_REVERSED); |
2708 | B.Add(eumax,V11); |
7fd59977 |
2709 | } |
2710 | B.Range(eumax,VMin,VMax); |
2711 | } |
2712 | } |
2713 | |
2714 | if (!vmininf) { |
2715 | if (hasiso && !vmindegen) |
2716 | B.MakeEdge(evmin,Cvmin,tol); |
2717 | else |
2718 | B.MakeEdge(evmin); |
2719 | if (vclosed) |
2720 | B.UpdateEdge(evmin,Lvmin,Lvmax,F,tol); |
2721 | else |
2722 | B.UpdateEdge(evmin,Lvmin,F,tol); |
2723 | if (!umininf) { |
2724 | V00.Orientation(TopAbs_FORWARD); |
2725 | B.Add(evmin,V00); |
2726 | } |
2727 | if (!umaxinf) { |
2728 | V10.Orientation(TopAbs_REVERSED); |
2729 | B.Add(evmin,V10); |
2730 | } |
2731 | B.Range(evmin,UMin,UMax); |
2732 | if (vmindegen) |
2733 | B.Degenerated(evmin, Standard_True); |
2734 | } |
2735 | |
2736 | if (!vmaxinf) { |
2737 | if (vclosed) |
2738 | evmax = evmin; |
2739 | else { |
2740 | if (hasiso && !vmaxdegen) |
ab87e6fc |
2741 | B.MakeEdge(evmax,Cvmax,tol); |
7fd59977 |
2742 | else |
ab87e6fc |
2743 | B.MakeEdge(evmax); |
7fd59977 |
2744 | B.UpdateEdge(evmax,Lvmax,F,tol); |
2745 | if (!umininf) { |
ab87e6fc |
2746 | V01.Orientation(TopAbs_FORWARD); |
2747 | B.Add(evmax,V01); |
7fd59977 |
2748 | } |
2749 | if (!umaxinf) { |
ab87e6fc |
2750 | V11.Orientation(TopAbs_REVERSED); |
2751 | B.Add(evmax,V11); |
7fd59977 |
2752 | } |
2753 | B.Range(evmax,UMin,UMax); |
2754 | if (vmaxdegen) |
ab87e6fc |
2755 | B.Degenerated(evmax, Standard_True); |
7fd59977 |
2756 | } |
2757 | } |
2758 | |
2759 | // make the wires and add them to the face |
2760 | eumin.Orientation(TopAbs_REVERSED); |
2761 | evmax.Orientation(TopAbs_REVERSED); |
2762 | |
2763 | TopoDS_Wire W; |
2764 | |
2765 | if (!umininf && !umaxinf && vmininf && vmaxinf) { |
2766 | // two wires in u |
2767 | B.MakeWire(W); |
2768 | B.Add(W,eumin); |
2769 | B.Add(F,W); |
2770 | B.MakeWire(W); |
2771 | B.Add(W,eumax); |
2772 | B.Add(F,W); |
2773 | F.Closed(uclosed); |
2774 | } |
2775 | |
2776 | else if (umininf && umaxinf && !vmininf && !vmaxinf) { |
2777 | // two wires in v |
2778 | B.MakeWire(W); |
2779 | B.Add(W,evmin); |
2780 | B.Add(F,W); |
2781 | B.MakeWire(W); |
2782 | B.Add(W,evmax); |
2783 | B.Add(F,W); |
2784 | F.Closed(vclosed); |
2785 | } |
2786 | |
2787 | else if (!umininf || !umaxinf || !vmininf || !vmaxinf) { |
2788 | // one wire |
2789 | B.MakeWire(W); |
2790 | if (!umininf) B.Add(W,eumin); |
2791 | if (!vmininf) B.Add(W,evmin); |
2792 | if (!umaxinf) B.Add(W,eumax); |
2793 | if (!vmaxinf) B.Add(W,evmax); |
2794 | B.Add(F,W); |
2795 | W.Closed(!umininf && !umaxinf && !vmininf && !vmaxinf); |
2796 | F.Closed(uclosed && vclosed); |
2797 | } |
2798 | } |
2799 | |
2800 | //======================================================================= |
2801 | //function : EnLargeGeometry |
2802 | //purpose : |
2803 | //======================================================================= |
2804 | |
2805 | static Standard_Boolean EnlargeGeometry(Handle(Geom_Surface)& S, |
ab87e6fc |
2806 | Standard_Real& U1, |
2807 | Standard_Real& U2, |
2808 | Standard_Real& V1, |
2809 | Standard_Real& V2, |
2810 | Standard_Boolean& IsV1degen, |
2811 | Standard_Boolean& IsV2degen, |
2812 | const Standard_Real uf1, |
2813 | const Standard_Real uf2, |
2814 | const Standard_Real vf1, |
2815 | const Standard_Real vf2, |
2816 | const Standard_Boolean GlobalEnlargeU, |
2817 | const Standard_Boolean GlobalEnlargeVfirst, |
2818 | const Standard_Boolean GlobalEnlargeVlast) |
7fd59977 |
2819 | { |
2820 | const Standard_Real coeff = 4.; |
2821 | const Standard_Real TolApex = 1.e-5; |
2822 | |
2823 | Standard_Boolean SurfaceChange = Standard_False; |
2824 | if ( S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
c5f3a425 |
2825 | Handle(Geom_Surface) BS = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
7fd59977 |
2826 | EnlargeGeometry(BS,U1,U2,V1,V2,IsV1degen,IsV2degen, |
ab87e6fc |
2827 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
7fd59977 |
2828 | if (!GlobalEnlargeVfirst) |
2829 | V1 = vf1; |
2830 | if (!GlobalEnlargeVlast) |
2831 | V2 = vf2; |
2832 | if (!GlobalEnlargeVfirst || !GlobalEnlargeVlast) |
c5f3a425 |
2833 | //Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->SetTrim( U1, U2, V1, V2 ); |
7fd59977 |
2834 | S = new Geom_RectangularTrimmedSurface( BS, U1, U2, V1, V2 ); |
2835 | else |
2836 | S = BS; |
2837 | SurfaceChange = Standard_True; |
2838 | } |
2839 | else if (S->DynamicType() == STANDARD_TYPE(Geom_OffsetSurface)) { |
c5f3a425 |
2840 | Handle(Geom_Surface) Surf = Handle(Geom_OffsetSurface)::DownCast (S)->BasisSurface(); |
7fd59977 |
2841 | SurfaceChange = EnlargeGeometry(Surf,U1,U2,V1,V2,IsV1degen,IsV2degen, |
ab87e6fc |
2842 | uf1,uf2,vf1,vf2,GlobalEnlargeU,GlobalEnlargeVfirst,GlobalEnlargeVlast); |
7fd59977 |
2843 | Handle(Geom_OffsetSurface)::DownCast(S)->SetBasisSurface(Surf); |
2844 | } |
2845 | else if (S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
ab87e6fc |
2846 | S->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution)) |
7fd59977 |
2847 | { |
2848 | Standard_Real du=0., dv=0.; |
2849 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2850 | Standard_Real u1, u2, v1, v2; |
2851 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2852 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2853 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2854 | S->Bounds( u1, u2, v1, v2 ); |
2855 | if (Precision::IsInfinite(u1) || Precision::IsInfinite(u2)) |
ab87e6fc |
2856 | { |
2857 | du = uf2-uf1; |
2858 | u1 = uf1-du; |
2859 | u2 = uf2+du; |
2860 | enlargeU = Standard_False; |
2861 | } |
7fd59977 |
2862 | else if (S->IsUClosed()) |
ab87e6fc |
2863 | enlargeU = Standard_False; |
7fd59977 |
2864 | else |
ab87e6fc |
2865 | { |
2866 | viso = S->VIso( vf1 ); |
2867 | GeomAdaptor_Curve gac( viso ); |
2868 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2869 | uiso1 = S->UIso( uf1 ); |
2870 | uiso2 = S->UIso( uf2 ); |
2871 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2872 | enlargeUfirst = Standard_False; |
2873 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2874 | enlargeUlast = Standard_False; |
2875 | } |
7fd59977 |
2876 | if (Precision::IsInfinite(v1) || Precision::IsInfinite(v2)) |
ab87e6fc |
2877 | { |
2878 | dv = vf2-vf1; |
2879 | v1 = vf1-dv; |
2880 | v2 = vf2+dv; |
2881 | enlargeV = Standard_False; |
2882 | } |
7fd59977 |
2883 | else if (S->IsVClosed()) |
ab87e6fc |
2884 | enlargeV = Standard_False; |
7fd59977 |
2885 | else |
ab87e6fc |
2886 | { |
2887 | uiso = S->UIso( uf1 ); |
2888 | GeomAdaptor_Curve gac( uiso ); |
2889 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2890 | viso1 = S->VIso( vf1 ); |
2891 | viso2 = S->VIso( vf2 ); |
2892 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
2893 | { |
2894 | enlargeVfirst = Standard_False; |
2895 | IsV1degen = Standard_True; |
2896 | } |
2897 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
2898 | { |
2899 | enlargeVlast = Standard_False; |
2900 | IsV2degen = Standard_True; |
2901 | } |
2902 | } |
7fd59977 |
2903 | S = new Geom_RectangularTrimmedSurface( S, u1, u2, v1, v2 ); |
2904 | if (enlargeU) |
ab87e6fc |
2905 | { |
2906 | if (enlargeUfirst) |
c5f3a425 |
2907 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), du, 1, Standard_True, Standard_False ); |
ab87e6fc |
2908 | if (enlargeUlast) |
c5f3a425 |
2909 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), du, 1, Standard_True, Standard_True ); |
ab87e6fc |
2910 | } |
7fd59977 |
2911 | if (enlargeV) |
ab87e6fc |
2912 | { |
2913 | if (enlargeVfirst) |
c5f3a425 |
2914 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), dv, 1, Standard_False, Standard_False ); |
ab87e6fc |
2915 | if (enlargeVlast) |
c5f3a425 |
2916 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), dv, 1, Standard_False, Standard_True ); |
ab87e6fc |
2917 | } |
7fd59977 |
2918 | S->Bounds( U1, U2, V1, V2 ); |
2919 | SurfaceChange = Standard_True; |
2920 | } |
2921 | else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
ab87e6fc |
2922 | S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
7fd59977 |
2923 | { |
2924 | Standard_Boolean enlargeU = GlobalEnlargeU, enlargeV = Standard_True; |
2925 | Standard_Boolean enlargeUfirst = enlargeU, enlargeUlast = enlargeU; |
2926 | Standard_Boolean enlargeVfirst = GlobalEnlargeVfirst, enlargeVlast = GlobalEnlargeVlast; |
2927 | if (S->IsUClosed()) |
ab87e6fc |
2928 | enlargeU = Standard_False; |
7fd59977 |
2929 | if (S->IsVClosed()) |
ab87e6fc |
2930 | enlargeV = Standard_False; |
7fd59977 |
2931 | |
2932 | Standard_Real duf = uf2-uf1, dvf = vf2-vf1; |
2933 | Standard_Real u1, u2, v1, v2; |
2934 | S->Bounds( u1, u2, v1, v2 ); |
2935 | |
2936 | Standard_Real du=0., dv=0.; |
2937 | Handle( Geom_Curve ) uiso, viso, uiso1, uiso2, viso1, viso2; |
2938 | GeomAdaptor_Curve gac; |
2939 | if (enlargeU) |
ab87e6fc |
2940 | { |
2941 | viso = S->VIso( v1 ); |
2942 | gac.Load( viso ); |
2943 | du = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2944 | uiso1 = S->UIso( u1 ); |
2945 | uiso2 = S->UIso( u2 ); |
2946 | if (BRepOffset_Tool::Gabarit( uiso1 ) <= TolApex) |
2947 | enlargeUfirst = Standard_False; |
2948 | if (BRepOffset_Tool::Gabarit( uiso2 ) <= TolApex) |
2949 | enlargeUlast = Standard_False; |
2950 | } |
7fd59977 |
2951 | if (enlargeV) |
ab87e6fc |
2952 | { |
2953 | uiso = S->UIso( u1 ); |
2954 | gac.Load( uiso ); |
2955 | dv = GCPnts_AbscissaPoint::Length( gac ) / coeff; |
2956 | viso1 = S->VIso( v1 ); |
2957 | viso2 = S->VIso( v2 ); |
2958 | if (BRepOffset_Tool::Gabarit( viso1 ) <= TolApex) |
2959 | { |
2960 | enlargeVfirst = Standard_False; |
2961 | IsV1degen = Standard_True; |
2962 | } |
2963 | if (BRepOffset_Tool::Gabarit( viso2 ) <= TolApex) |
2964 | { |
2965 | enlargeVlast = Standard_False; |
2966 | IsV2degen = Standard_True; |
2967 | } |
2968 | } |
7fd59977 |
2969 | |
2970 | if (enlargeU) |
ab87e6fc |
2971 | { |
2972 | if (enlargeUfirst && uf1-u1 < duf) |
c5f3a425 |
2973 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), du, 1, Standard_True, Standard_False ); |
ab87e6fc |
2974 | if (enlargeUlast && u2-uf2 < duf) |
c5f3a425 |
2975 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), du, 1, Standard_True, Standard_True ); |
ab87e6fc |
2976 | } |
7fd59977 |
2977 | if (enlargeV) |
ab87e6fc |
2978 | { |
2979 | if (enlargeVfirst && vf1-v1 < dvf) |
c5f3a425 |
2980 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), dv, 1, Standard_False, Standard_False ); |
ab87e6fc |
2981 | if (enlargeVlast && v2-vf2 < dvf) |
c5f3a425 |
2982 | GeomLib::ExtendSurfByLength( Handle(Geom_BoundedSurface)::DownCast (S), dv, 1, Standard_False, Standard_True ); |
ab87e6fc |
2983 | } |
7fd59977 |
2984 | |
2985 | S->Bounds( U1, U2, V1, V2 ); |
2986 | SurfaceChange = Standard_True; |
2987 | } |
2988 | // else if (S->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
ab87e6fc |
2989 | // S->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) { |
7fd59977 |
2990 | // S->Bounds(U1,U2,V1,V2); |
2991 | // } |
2992 | else { |
2993 | Standard_Real UU1,UU2,VV1,VV2; |
2994 | S->Bounds(UU1,UU2,VV1,VV2); |
2995 | // Pas d extension au dela des bornes de la surface. |
2996 | U1 = Max(UU1,U1); |
2997 | V1 = Max(VV1,V1); |
2998 | U2 = Min(UU2,U2); |
2999 | V2 = Min(VV2,V2); |
3000 | } |
3001 | return SurfaceChange; |
3002 | } |
3003 | |
3004 | //======================================================================= |
3005 | //function : UpDatePCurve |
3006 | //purpose : Mise a jour des pcurves de F sur la surface de de BF. |
3007 | // F and BF has to be FORWARD, |
3008 | //======================================================================= |
3009 | |
3010 | static void UpdatePCurves (const TopoDS_Face& F, |
ab87e6fc |
3011 | TopoDS_Face& BF) |
7fd59977 |
3012 | { |
3013 | Standard_Real f,l; |
3014 | Standard_Integer i; |
3015 | BRep_Builder B; |
3016 | TopTools_IndexedMapOfShape Emap; |
3017 | Handle(Geom2d_Curve) NullPCurve; |
3018 | |
3019 | TopExp::MapShapes( F, TopAbs_EDGE, Emap ); |
3020 | |
3021 | for (i = 1; i <= Emap.Extent(); i++) |
3022 | { |
3023 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3024 | CE.Orientation( TopAbs_FORWARD ); |
3025 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3026 | if (!C2.IsNull()) |
ab87e6fc |
3027 | { |
3028 | if (BRep_Tool::IsClosed( CE, F )) |
3029 | { |
3030 | CE.Reverse(); |
3031 | Handle(Geom2d_Curve) C2R = BRep_Tool::CurveOnSurface( CE, F, f, l ); |
3032 | B.UpdateEdge( CE, NullPCurve, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3033 | B.UpdateEdge( CE, C2, C2R, BF, BRep_Tool::Tolerance(CE) ); |
3034 | } |
3035 | else |
3036 | { |
3037 | B.UpdateEdge( CE, NullPCurve, F, BRep_Tool::Tolerance(CE) ); |
3038 | B.UpdateEdge( CE, C2, BF, BRep_Tool::Tolerance(CE) ); |
3039 | } |
3040 | |
3041 | B.Range(CE,f,l); |
3042 | } |
7fd59977 |
3043 | } |
3044 | } |
3045 | |
3046 | //======================================================================= |
3047 | //function :CompactUVBounds |
3048 | //purpose : |
3049 | //======================================================================= |
3050 | |
3051 | static void CompactUVBounds (const TopoDS_Face& F, |
ab87e6fc |
3052 | Standard_Real& UMin, |
3053 | Standard_Real& UMax, |
3054 | Standard_Real& VMin, |
3055 | Standard_Real& VMax) |
7fd59977 |
3056 | { |
3057 | // Calcul serre pour que les bornes ne couvrent pas plus d une periode |
3058 | Standard_Real U1,U2; |
3059 | Standard_Real N = 33; |
3060 | Bnd_Box2d B; |
3061 | |
ab87e6fc |
3062 | TopExp_Explorer exp; |
7fd59977 |
3063 | for (exp.Init(F, TopAbs_EDGE); exp.More(); exp.Next()) { |
3064 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3065 | BRepAdaptor_Curve2d C(E,F); |
3066 | BRep_Tool::Range(E,U1,U2); |
3067 | gp_Pnt2d P; |
3068 | Standard_Real U = U1; |
3069 | Standard_Real DU = (U2-U1)/(N-1); |
3070 | for (Standard_Integer j=1;j<N;j++) { |
3071 | C.D0(U,P); |
3072 | U+=DU; |
3073 | B.Add(P); |
3074 | } |
3075 | C.D0(U2,P); |
3076 | B.Add(P); |
3077 | } |
3078 | B.Get(UMin,VMin,UMax,VMax); |
3079 | } |
3080 | |
3081 | //======================================================================= |
3082 | //function : CheckBounds |
3083 | //purpose : |
3084 | //======================================================================= |
3085 | |
3086 | void BRepOffset_Tool::CheckBounds(const TopoDS_Face& F, |
ab87e6fc |
3087 | const BRepOffset_Analyse& Analyse, |
3088 | Standard_Boolean& enlargeU, |
3089 | Standard_Boolean& enlargeVfirst, |
3090 | Standard_Boolean& enlargeVlast) |
7fd59977 |
3091 | { |
3092 | enlargeU = Standard_True; |
3093 | enlargeVfirst = Standard_True; enlargeVlast = Standard_True; |
3094 | |
3095 | Standard_Integer Ubound = 0, Vbound = 0; |
3096 | Standard_Real Ufirst = RealLast(), Ulast = RealFirst(); |
3097 | Standard_Real Vfirst = RealLast(), Vlast = RealFirst(); |
3098 | |
3099 | Standard_Real UF1,UF2,VF1,VF2; |
3100 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
3101 | |
3102 | Handle(Geom_Surface) theSurf = BRep_Tool::Surface(F); |
3103 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
c5f3a425 |
3104 | theSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (theSurf)->BasisSurface(); |
7fd59977 |
3105 | |
3106 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) || |
3107 | theSurf->DynamicType() == STANDARD_TYPE(Geom_SurfaceOfRevolution) || |
3108 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BezierSurface) || |
3109 | theSurf->DynamicType() == STANDARD_TYPE(Geom_BSplineSurface)) |
3110 | { |
3111 | TopExp_Explorer Explo(F, TopAbs_EDGE); |
3112 | for (; Explo.More(); Explo.Next()) |
ab87e6fc |
3113 | { |
3114 | const TopoDS_Edge& anEdge = TopoDS::Edge(Explo.Current()); |
3115 | const BRepOffset_ListOfInterval& L = Analyse.Type(anEdge); |
3116 | if (!L.IsEmpty() || BRep_Tool::Degenerated(anEdge)) |
3117 | { |
3118 | BRepOffset_Type OT = L.First().Type(); |
3119 | if (OT == BRepOffset_Tangent || BRep_Tool::Degenerated(anEdge)) |
3120 | { |
3121 | Standard_Real fpar, lpar; |
3122 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, F, fpar, lpar); |
3123 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_TrimmedCurve)) |
c5f3a425 |
3124 | aCurve = Handle(Geom2d_TrimmedCurve)::DownCast (aCurve)->BasisCurve(); |
ab87e6fc |
3125 | |
3126 | Handle(Geom2d_Line) theLine; |
3127 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_Line)) |
c5f3a425 |
3128 | theLine = Handle(Geom2d_Line)::DownCast (aCurve); |
ab87e6fc |
3129 | else if (aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BezierCurve) || |
3130 | aCurve->DynamicType() == STANDARD_TYPE(Geom2d_BSplineCurve)) |
3131 | { |
3132 | Standard_Real newFpar, newLpar, deviation; |
3133 | theLine = ShapeCustom_Curve2d::ConvertToLine2d(aCurve, fpar, lpar, Precision::Confusion(), |
3134 | newFpar, newLpar, deviation); |
3135 | } |
3136 | |
3137 | if (!theLine.IsNull()) |
3138 | { |
3139 | gp_Dir2d theDir = theLine->Direction(); |
3140 | if (theDir.IsParallel( gp::DX2d(), Precision::Angular() )) |
3141 | { |
3142 | Vbound++; |
3143 | if (BRep_Tool::Degenerated(anEdge)) |
3144 | { |
3145 | if (Abs(theLine->Location().Y() - VF1) <= Precision::Confusion()) |
3146 | enlargeVfirst = Standard_False; |
3147 | else //theLine->Location().Y() is near VF2 |
3148 | enlargeVlast = Standard_False; |
3149 | } |
3150 | else |
3151 | { |
3152 | if (theLine->Location().Y() < Vfirst) |
3153 | Vfirst = theLine->Location().Y(); |
3154 | if (theLine->Location().Y() > Vlast) |
3155 | Vlast = theLine->Location().Y(); |
3156 | } |
3157 | } |
3158 | else if (theDir.IsParallel( gp::DY2d(), Precision::Angular() )) |
3159 | { |
3160 | Ubound++; |
3161 | if (theLine->Location().X() < Ufirst) |
3162 | Ufirst = theLine->Location().X(); |
3163 | if (theLine->Location().X() > Ulast) |
3164 | Ulast = theLine->Location().X(); |
3165 | } |
3166 | } |
3167 | } |
3168 | } |
3169 | } |
7fd59977 |
3170 | } |
3171 | |
3172 | if (Ubound >= 2 || Vbound >= 2) |
3173 | { |
3174 | if (Ubound >= 2 && |
ab87e6fc |
3175 | Abs(UF1-Ufirst) <= Precision::Confusion() && |
3176 | Abs(UF2-Ulast) <= Precision::Confusion()) |
3177 | enlargeU = Standard_False; |
7fd59977 |
3178 | if (Vbound >= 2 && |
ab87e6fc |
3179 | Abs(VF1-Vfirst) <= Precision::Confusion() && |
3180 | Abs(VF2-Vlast) <= Precision::Confusion()) |
3181 | { |
3182 | enlargeVfirst = Standard_False; |
3183 | enlargeVlast = Standard_False; |
3184 | } |
7fd59977 |
3185 | } |
3186 | } |
3187 | |
3188 | //======================================================================= |
3189 | //function : EnLargeFace |
3190 | //purpose : |
3191 | //======================================================================= |
3192 | |
3193 | Standard_Boolean BRepOffset_Tool::EnLargeFace |
3194 | (const TopoDS_Face& F, |
3195 | TopoDS_Face& BF, |
3196 | const Standard_Boolean CanExtentSurface, |
3197 | const Standard_Boolean UpdatePCurve, |
3198 | const Standard_Boolean enlargeU, |
3199 | const Standard_Boolean enlargeVfirst, |
3200 | const Standard_Boolean enlargeVlast) |
3201 | { |
3202 | //--------------------------- |
3203 | // extension de la geometrie. |
3204 | //--------------------------- |
3205 | TopLoc_Location L; |
3206 | Handle (Geom_Surface) S = BRep_Tool::Surface(F,L); |
3207 | Standard_Real UU1,VV1,UU2,VV2; |
3208 | Standard_Boolean isVV1degen = Standard_False, isVV2degen = Standard_False; |
3209 | Standard_Real US1,VS1,US2,VS2; |
3210 | Standard_Real UF1,VF1,UF2,VF2; |
3211 | Standard_Real infini = 1.e8; |
3212 | Standard_Boolean SurfaceChange = Standard_False; |
3213 | |
3214 | if (S->IsUPeriodic() || S->IsVPeriodic()) { |
3215 | // Calcul serre pour que les bornes ne couvre pas plus d une periode |
ab87e6fc |
3216 | CompactUVBounds(F,UF1,UF2,VF1,VF2); |
7fd59977 |
3217 | } |
3218 | else { |
3219 | BRepTools::UVBounds(F,UF1,UF2,VF1,VF2); |
3220 | } |
3221 | |
3222 | S->Bounds (US1,US2,VS1,VS2); |
3223 | UU1 = VV1 = - infini; |
3224 | UU2 = VV2 = infini; |
3225 | |
3226 | if (CanExtentSurface) { |
3227 | SurfaceChange = EnlargeGeometry( S, UU1, UU2, VV1, VV2, isVV1degen, isVV2degen, UF1, UF2, VF1, VF2, |
ab87e6fc |
3228 | enlargeU, enlargeVfirst, enlargeVlast ); |
7fd59977 |
3229 | } |
3230 | else { |
3231 | UU1 = Max(US1,UU1); UU2 = Min(UU2,US2); |
3232 | VV1 = Max(VS1,VV1); VV2 = Min(VS2,VV2); |
3233 | } |
3234 | |
3235 | if (S->IsUPeriodic()) { |
3236 | Standard_Real Period = S->UPeriod(); |
3237 | Standard_Real Delta = Period - (UF2 - UF1); |
3238 | Standard_Real alpha = 0.1; |
3239 | UU1 = UF1 - alpha*Delta; UU2 = UF2 + alpha*Delta; |
3240 | if ((UU2 - UU1) > Period) { |
3241 | UU2 = UU1 + Period; |
3242 | } |
3243 | } |
3244 | if (S->IsVPeriodic()) { |
3245 | Standard_Real Period = S->VPeriod(); |
3246 | Standard_Real Delta = Period - (VF2 - VF1); |
3247 | Standard_Real alpha = 0.1; |
3248 | VV1 = VF1 - alpha*Delta; VV2 = VF2 + alpha*Delta; |
3249 | if ((VV2 - VV1) > Period) { |
3250 | VV2 = VV1 + Period; |
3251 | } |
3252 | } |
3253 | |
3254 | //Special treatment for conical surfaces |
3255 | Handle(Geom_Surface) theSurf = S; |
3256 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) |
c5f3a425 |
3257 | theSurf = Handle(Geom_RectangularTrimmedSurface)::DownCast (S)->BasisSurface(); |
7fd59977 |
3258 | if (theSurf->DynamicType() == STANDARD_TYPE(Geom_ConicalSurface)) |
3259 | { |
c5f3a425 |
3260 | Handle(Geom_ConicalSurface) ConicalS = Handle(Geom_ConicalSurface)::DownCast (theSurf); |
7fd59977 |
3261 | gp_Cone theCone = ConicalS->Cone(); |
3262 | gp_Pnt theApex = theCone.Apex(); |
3263 | Standard_Real Uapex, Vapex; |
3264 | ElSLib::Parameters( theCone, theApex, Uapex, Vapex ); |
3265 | if (VV1 < Vapex && Vapex < VV2) |
ab87e6fc |
3266 | { |
3267 | //consider that VF1 and VF2 are on the same side from apex |
3268 | Standard_Real TolApex = 1.e-5; |
3269 | if (Vapex - VF1 >= TolApex || |
3270 | Vapex - VF2 >= TolApex) //if (VF1 < Vapex || VF2 < Vapex) |
3271 | VV2 = Vapex; |
3272 | else |
3273 | VV1 = Vapex; |
3274 | } |
7fd59977 |
3275 | } |
3276 | |
3277 | if (!enlargeU) |
3278 | { |
3279 | UU1 = UF1; UU2 = UF2; |
3280 | } |
3281 | if (!enlargeVfirst) |
3282 | VV1 = VF1; |
3283 | if (!enlargeVlast) |
3284 | VV2 = VF2; |
3285 | |
3286 | MakeFace(S,UU1,UU2,VV1,VV2,isVV1degen,isVV2degen,BF); |
3287 | BF.Location(L); |
3288 | /* |
3289 | if (S->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) { |
3290 | BRep_Builder B; |
3291 | //---------------------------------------------------------------- |
3292 | // utile pour les bouchons on ne doit pas changer leur geometrie. |
3293 | // (Ce que fait BRepLib_MakeFace si S est restreinte). |
3294 | // On remet S et on update les pcurves. |
3295 | //---------------------------------------------------------------- |
3296 | TopExp_Explorer exp; |
3297 | exp.Init(BF,TopAbs_EDGE); |
3298 | Standard_Real f=0.,l=0.; |
3299 | for (; exp.More(); exp.Next()) { |
3300 | TopoDS_Edge CE = TopoDS::Edge(exp.Current()); |
3301 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,BF,f,l); |
3302 | B.UpdateEdge (CE,C2,S,L,BRep_Tool::Tolerance(CE)); |
3303 | } |
3304 | B.UpdateFace(BF,S,L,BRep_Tool::Tolerance(F)); |
3305 | } |
3306 | */ |
3307 | if (SurfaceChange && UpdatePCurve) { |
3308 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3309 | UpdatePCurves(TopoDS::Face(aLocalFace),BF); |
3310 | //UpdatePCurves(TopoDS::Face(F.Oriented(TopAbs_FORWARD)),BF); |
3311 | BRep_Builder BB; |
3312 | BB.UpdateFace( F, S, L, BRep_Tool::Tolerance(F) ); |
3313 | } |
3314 | |
3315 | BF.Orientation(F.Orientation()); |
3316 | return SurfaceChange; |
3317 | } |
3318 | |
3319 | //======================================================================= |
3320 | //function : TryParameter |
3321 | //purpose : |
3322 | //======================================================================= |
3323 | |
3324 | static Standard_Boolean TryParameter (const TopoDS_Edge& OE, |
ab87e6fc |
3325 | TopoDS_Vertex& V, |
3326 | const TopoDS_Edge& NE, |
3327 | Standard_Real TolConf) |
7fd59977 |
3328 | { |
3329 | BRepAdaptor_Curve OC(OE); |
3330 | BRepAdaptor_Curve NC(NE); |
3331 | Standard_Real Of = OC.FirstParameter(); Standard_Real Ol = OC.LastParameter(); |
3332 | Standard_Real Nf = NC.FirstParameter(); Standard_Real Nl = NC.LastParameter(); |
7fd59977 |
3333 | Standard_Real U = 0.; |
7fd59977 |
3334 | gp_Pnt P = BRep_Tool::Pnt(V); |
3335 | Standard_Boolean OK = Standard_False; |
3336 | |
3337 | if (P.Distance(OC.Value(Of)) < TolConf) { |
3338 | if (Of > Nf && Of < Nl && P.Distance(NC.Value(Of)) < TolConf) { |
3339 | OK = Standard_True; |
3340 | U = Of; |
3341 | } |
3342 | } |
3343 | if (P.Distance(OC.Value(Ol)) < TolConf) { |
3344 | if (Ol > Nf && Ol < Nl && P.Distance(NC.Value(Ol)) < TolConf) { |
3345 | OK = Standard_True; |
3346 | U = Ol; |
3347 | } |
3348 | } |
3349 | if (OK) { |
3350 | BRep_Builder B; |
3351 | TopoDS_Shape aLocalShape = NE.Oriented(TopAbs_FORWARD); |
3352 | TopoDS_Edge EE = TopoDS::Edge(aLocalShape); |
3353 | // TopoDS_Edge EE = TopoDS::Edge(NE.Oriented(TopAbs_FORWARD)); |
3354 | aLocalShape = V.Oriented(TopAbs_INTERNAL); |
3355 | B.UpdateVertex(TopoDS::Vertex(aLocalShape), |
ab87e6fc |
3356 | U,NE,BRep_Tool::Tolerance(NE)); |
7fd59977 |
3357 | // B.UpdateVertex(TopoDS::Vertex(V.Oriented(TopAbs_INTERNAL)), |
ab87e6fc |
3358 | // U,NE,BRep_Tool::Tolerance(NE)); |
7fd59977 |
3359 | } |
3360 | return OK; |
3361 | } |
3362 | |
3363 | //======================================================================= |
3364 | //function : |
3365 | //purpose : |
3366 | //======================================================================= |
3367 | |
3368 | void BRepOffset_Tool::MapVertexEdges (const TopoDS_Shape& S, |
ab87e6fc |
3369 | TopTools_DataMapOfShapeListOfShape& MEV) |
7fd59977 |
3370 | { |
3371 | TopExp_Explorer exp; |
3372 | exp.Init(S.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
3373 | TopTools_MapOfShape DejaVu; |
3374 | for ( ; exp.More(); exp.Next()) { |
3375 | const TopoDS_Edge& E = TopoDS::Edge(exp.Current()); |
3376 | if (DejaVu.Add(E)) { |
3377 | TopoDS_Vertex V1,V2; |
3378 | TopExp::Vertices (E,V1,V2); |
3379 | if (!MEV.IsBound(V1)) { |
ab87e6fc |
3380 | TopTools_ListOfShape empty; |
3381 | MEV.Bind(V1,empty); |
7fd59977 |
3382 | } |
3383 | MEV(V1).Append(E); |
3384 | if (!V1.IsSame(V2)) { |
ab87e6fc |
3385 | if (!MEV.IsBound(V2)) { |
3386 | TopTools_ListOfShape empty; |
3387 | MEV.Bind(V2,empty); |
3388 | } |
3389 | MEV(V2).Append(E); |
7fd59977 |
3390 | } |
3391 | } |
3392 | } |
3393 | } |
3394 | |
3395 | //======================================================================= |
3396 | //function : |
3397 | //purpose : |
3398 | //======================================================================= |
3399 | |
3400 | void BRepOffset_Tool::BuildNeighbour (const TopoDS_Wire& W, |
ab87e6fc |
3401 | const TopoDS_Face& F, |
3402 | TopTools_DataMapOfShapeShape& NOnV1, |
3403 | TopTools_DataMapOfShapeShape& NOnV2) |
7fd59977 |
3404 | { |
3405 | TopoDS_Vertex V1,V2,VP1,VP2,FV1,FV2; |
3406 | TopoDS_Edge CurE,FirstE,PrecE; |
3407 | BRepTools_WireExplorer wexp; |
3408 | |
3409 | TopoDS_Shape aLocalFace = F.Oriented(TopAbs_FORWARD); |
3410 | TopoDS_Shape aLocalWire = W.Oriented(TopAbs_FORWARD); |
3411 | wexp.Init(TopoDS::Wire(aLocalWire),TopoDS::Face(aLocalFace)); |
3412 | // wexp.Init(TopoDS::Wire(W.Oriented(TopAbs_FORWARD)), |
ab87e6fc |
3413 | // TopoDS::Face(F.Oriented(TopAbs_FORWARD))); |
7fd59977 |
3414 | CurE = FirstE = PrecE = wexp.Current(); |
3415 | TopExp::Vertices(CurE,V1,V2); |
3416 | FV1 = VP1 = V1; FV2 = VP2 = V2; |
3417 | wexp.Next(); |
3418 | while (wexp.More()) { |
3419 | CurE = wexp.Current(); |
3420 | TopExp::Vertices(CurE,V1,V2); |
3421 | if (V1.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3422 | if (V1.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV1.Bind(CurE,PrecE);} |
3423 | if (V2.IsSame(VP1)) { NOnV1.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3424 | if (V2.IsSame(VP2)) { NOnV2.Bind(PrecE,CurE); NOnV2.Bind(CurE,PrecE);} |
3425 | PrecE = CurE; |
3426 | VP1 = V1; VP2 = V2; |
3427 | wexp.Next(); |
3428 | } |
3429 | if (V1.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3430 | if (V1.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV1.Bind(CurE,FirstE);} |
3431 | if (V2.IsSame(FV1)) { NOnV1.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3432 | if (V2.IsSame(FV2)) { NOnV2.Bind(FirstE,CurE); NOnV2.Bind(CurE,FirstE);} |
3433 | } |
3434 | |
3435 | //======================================================================= |
3436 | //function : ExtentFace |
3437 | //purpose : |
3438 | //======================================================================= |
3439 | |
3440 | void BRepOffset_Tool::ExtentFace (const TopoDS_Face& F, |
ab87e6fc |
3441 | TopTools_DataMapOfShapeShape& ConstShapes, |
3442 | TopTools_DataMapOfShapeShape& ToBuild, |
3443 | const TopAbs_State Side, |
3444 | const Standard_Real TolConf, |
3445 | TopoDS_Face& NF) |
7fd59977 |
3446 | { |
3447 | #ifdef DRAW |
3448 | if (AffichInter) { |
1896126e |
3449 | char name[256]; |
7fd59977 |
3450 | sprintf(name,"FTE_%d",NbFTE++); |
3451 | DBRep::Set(name,F); |
3452 | } |
3453 | #endif |
3454 | |
3455 | TopExp_Explorer exp,exp2; |
3456 | TopTools_DataMapOfShapeShape Build; |
3457 | TopTools_DataMapOfShapeShape Extent; |
3458 | TopoDS_Edge FirstE,PrecE,CurE,NE; |
3459 | BRep_Builder B; |
3460 | TopoDS_Face EF; |
3461 | |
3462 | // Construction de la boite englobante de la face a etendre et des bouchons pour |
3463 | // limiter les extensions. |
3464 | //Bnd_Box ContextBox; |
3465 | //BRepBndLib::Add(F,B); |
3466 | //TopTools_DataMapIteratorOfDataMapOfShape itTB(ToBuild); |
3467 | //for (; itTB.More(); itTB.Next()) { |
3468 | //BRepBndLib::Add(TopBuild.Value(), ContextBox); |
3469 | //} |
3470 | |
3471 | |
3472 | Standard_Boolean SurfaceChange; |
3473 | SurfaceChange = EnLargeFace (F,EF,Standard_True); |
3474 | |
3475 | TopoDS_Shape aLocalShape = EF.EmptyCopied(); |
3476 | NF = TopoDS::Face(aLocalShape); |
3477 | // NF = TopoDS::Face(EF.EmptyCopied()); |
3478 | NF.Orientation(TopAbs_FORWARD); |
3479 | |
3480 | if (SurfaceChange) { |
3481 | //------------------------------------------------ |
3482 | // Mise a jour des pcurves sur la surface de base. |
3483 | //------------------------------------------------ |
3484 | TopoDS_Face Fforward = F; |
3485 | Fforward.Orientation(TopAbs_FORWARD); |
3486 | TopTools_IndexedMapOfShape Emap; |
3487 | TopExp::MapShapes( Fforward, TopAbs_EDGE, Emap ); |
3488 | Standard_Real f,l; |
3489 | for (Standard_Integer i = 1; i <= Emap.Extent(); i++) { |
3490 | TopoDS_Edge CE = TopoDS::Edge( Emap(i) ); |
3491 | CE.Orientation(TopAbs_FORWARD); |
3492 | TopoDS_Edge Ecs; //patch |
3493 | Handle(Geom2d_Curve) C2 = BRep_Tool::CurveOnSurface(CE,Fforward,f,l); |
3494 | if (!C2.IsNull()) { |
ab87e6fc |
3495 | if (ConstShapes.IsBound(CE)) { |
3496 | Ecs = TopoDS::Edge(ConstShapes(CE)); |
3497 | BRep_Tool::Range(Ecs,f,l); |
3498 | } |
3499 | if (BRep_Tool::IsClosed(CE,Fforward)) { |
3500 | TopoDS_Shape aLocalShape = CE.Reversed(); |
3501 | Handle(Geom2d_Curve) C2R = |
3502 | BRep_Tool::CurveOnSurface(TopoDS::Edge(aLocalShape),Fforward,f,l); |
3503 | // Handle(Geom2d_Curve) C2R = |
3504 | // BRep_Tool::CurveOnSurface(TopoDS::Edge(CE.Reversed()),F,f,l); |
3505 | B.UpdateEdge (CE,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3506 | if (! Ecs.IsNull()) |
3507 | B.UpdateEdge (Ecs,C2,C2R,EF,BRep_Tool::Tolerance(CE)); |
3508 | } |
3509 | else { |
3510 | B.UpdateEdge (CE,C2,EF,BRep_Tool::Tolerance(CE)); |
3511 | if (! Ecs.IsNull()) |
3512 | B.UpdateEdge (Ecs,C2,EF,BRep_Tool::Tolerance(CE)); |
3513 | } |
3514 | B.Range(CE,f,l); |
3515 | if (! Ecs.IsNull()) |
3516 | B.Range(Ecs,f,l); |
7fd59977 |
3517 | } |
3518 | } |
3519 | } |
3520 | |
3521 | for (exp.Init(F.Oriented(TopAbs_FORWARD),TopAbs_WIRE); |
3522 | exp.More(); |
3523 | exp.Next()) { |
3524 | const TopoDS_Wire& W = TopoDS::Wire(exp.Current()); |
3525 | TopTools_DataMapOfShapeListOfShape MVE; // Vertex -> Edges incidentes. |
3526 | TopTools_DataMapOfShapeShape NOnV1; |
3527 | TopTools_DataMapOfShapeShape NOnV2; |
3528 | |
3529 | MapVertexEdges (W,MVE); |
3530 | BuildNeighbour (W,F,NOnV1,NOnV2); |
3531 | |
3532 | TopTools_ListOfShape LInt1,LInt2; |
3533 | TopoDS_Face StopFace; |
3534 | //------------------------------------------------ |
3535 | // Construction edges |
3536 | //------------------------------------------------ |
3537 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3538 | exp2.More(); exp2.Next()) { |
7fd59977 |
3539 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3540 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3541 | if (ToBuild.IsBound(E)) { |
ab87e6fc |
3542 | TopTools_ListOfShape LOE; |
3543 | LOE.Append(E); |
3544 | BRepOffset_Tool::TryProject (TopoDS::Face(ToBuild(E)), |
3545 | EF,LOE,LInt2,LInt1,Side,TolConf); |
3546 | if (!LInt1.IsEmpty()) |
3547 | ToBuild.UnBind(E); |
7fd59977 |
3548 | } |
3549 | } |
3550 | |
3551 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3552 | exp2.More(); exp2.Next()) { |
7fd59977 |
3553 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3554 | if (ConstShapes.IsBound(E)) ToBuild.UnBind(E); |
3555 | if (ToBuild.IsBound(E)) { |
80e49d43 |
3556 | EnLargeFace(TopoDS::Face(ToBuild(E)),StopFace,Standard_False); |
3557 | BRepOffset_Tool::Inter3D (EF,StopFace,LInt1,LInt2,Side,E,Standard_True); |
3558 | // No intersection, it may happen for example for a chosen (non-offseted) planar face and |
3559 | // its neighbour offseted cylindrical face, if the offset is directed so that |
3560 | // the radius of the cylinder becomes smaller. |
3561 | if (LInt1.IsEmpty()) |
3562 | continue; |
ab87e6fc |
3563 | if (LInt1.Extent() > 1) { |
3564 | // l intersection est en plusieurs edges (franchissement de couture) |
3565 | SelectEdge (F,EF,E,LInt1); |
3566 | } |
3567 | NE = TopoDS::Edge(LInt1.First()); |
3568 | Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &NE.TShape()); |
3569 | TE->Tolerance( TE->Tolerance()*10. ); //???? |
3570 | if (NE.Orientation() == E.Orientation()) { |
3571 | Build.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
3572 | } |
3573 | else { |
3574 | Build.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3575 | } |
3576 | const TopoDS_Edge& EOnV1 = TopoDS::Edge(NOnV1(E)); |
3577 | if (!ToBuild .IsBound(EOnV1) && |
3578 | !ConstShapes.IsBound(EOnV1) && |
3579 | !Build .IsBound(EOnV1)) { |
3580 | ExtentEdge (F,EF,EOnV1,NE); |
3581 | Build.Bind (EOnV1,NE.Oriented(TopAbs_FORWARD)); |
3582 | } |
3583 | const TopoDS_Edge& EOnV2 = TopoDS::Edge(NOnV2(E)); |
3584 | if (!ToBuild .IsBound(EOnV2) && |
3585 | !ConstShapes.IsBound(EOnV2) && |
3586 | !Build .IsBound(EOnV2)) { |
3587 | ExtentEdge (F,EF,EOnV2,NE); |
3588 | Build.Bind (EOnV2,NE.Oriented (TopAbs_FORWARD)); |
3589 | } |
7fd59977 |
3590 | } |
3591 | } |
3592 | |
3593 | //------------------------------------------------ |
3594 | // Construction Vertex. |
3595 | //------------------------------------------------ |
3596 | TopTools_ListOfShape LV; |
3597 | Standard_Real f,l; |
3598 | TopoDS_Edge ERef; |
3599 | TopoDS_Vertex V1,V2; |
3600 | |
3d58dc49 |
3601 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); exp2.More(); exp2.Next()) |
3602 | { |
7fd59977 |
3603 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3604 | TopExp::Vertices (E,V1,V2); |
3605 | BRep_Tool::Range (E,f,l); |
3606 | TopoDS_Vertex V; |
3d58dc49 |
3607 | if (Build.IsBound(E)) |
3608 | { |
3609 | const TopoDS_Edge& NEOnV1 = TopoDS::Edge(NOnV1(E)); |
3610 | if (Build.IsBound(NEOnV1) && (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV1))) |
3611 | { |
3612 | if (E.IsSame(NEOnV1)) |
3613 | V = TopExp::FirstVertex(TopoDS::Edge(Build(E))); |
3614 | else |
3615 | { |
3616 | //--------------- |
3617 | // intersection. |
3618 | //--------------- |
3619 | if (!Build.IsBound(V1)) |
3620 | { |
3621 | Inter2d (EF,TopoDS::Edge(Build(E)), TopoDS::Edge(Build(NEOnV1)),LV,/*TolConf*/Precision::Confusion()); |
3622 | |
3623 | if(!LV.IsEmpty()) |
3624 | { |
3625 | if (Build(E).Orientation() == TopAbs_FORWARD) |
3626 | { |
3627 | V = TopoDS::Vertex(LV.First()); |
3628 | } |
3629 | else |
3630 | { |
3631 | V = TopoDS::Vertex(LV.Last()); |
3632 | } |
3633 | } |
3634 | else |
3635 | { |
3636 | return; |
3637 | } |
3638 | } |
3639 | else |
3640 | { |
3641 | V = TopoDS::Vertex(Build(V1)); |
3642 | if (MVE (V1).Extent() > 2) |
3643 | { |
3644 | V.Orientation(TopAbs_FORWARD); |
3645 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3646 | V.Orientation(TopAbs_REVERSED); |
3647 | |
3648 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3649 | } |
3650 | } |
3651 | } |
3652 | } |
3653 | else |
3654 | { |
3655 | //------------ |
3656 | //projection |
3657 | //------------ |
3658 | V = V1; |
3659 | if (ConstShapes.IsBound(V1)) V = TopoDS::Vertex(ConstShapes(V1)); |
3660 | V.Orientation(TopAbs_FORWARD); |
3661 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3662 | V.Orientation(TopAbs_REVERSED); |
3663 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3664 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3665 | } |
3666 | |
3667 | ConstShapes.Bind(V1,V); |
3668 | Build.Bind (V1,V); |
3669 | const TopoDS_Edge& NEOnV2 = TopoDS::Edge(NOnV2(E)); |
3670 | if (Build.IsBound(NEOnV2) && (ToBuild.IsBound(E) || ToBuild.IsBound(NEOnV2))) |
3671 | { |
3672 | if (E.IsSame(NEOnV2)) |
3673 | V = TopExp::LastVertex(TopoDS::Edge(Build(E))); |
3674 | else |
3675 | { |
3676 | //-------------- |
3677 | // intersection. |
3678 | //--------------- |
3679 | |
3680 | if (!Build.IsBound(V2)) |
3681 | { |
3682 | Inter2d (EF,TopoDS::Edge(Build(E)), TopoDS::Edge(Build(NEOnV2)),LV,/*TolConf*/Precision::Confusion()); |
3683 | |
3684 | if(!LV.IsEmpty()) |
3685 | { |
3686 | if (Build(E).Orientation() == TopAbs_FORWARD) |
3687 | { |
3688 | V = TopoDS::Vertex(LV.Last()); |
3689 | } |
3690 | else |
3691 | { |
3692 | V = TopoDS::Vertex(LV.First()); |
3693 | } |
3694 | } |
3695 | else |
3696 | { |
3697 | return; |
3698 | } |
3699 | } |
3700 | else |
3701 | { |
3702 | V = TopoDS::Vertex(Build(V2)); |
3703 | if (MVE (V2).Extent() > 2) |
3704 | { |
3705 | V.Orientation(TopAbs_REVERSED); |
3706 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3707 | V.Orientation(TopAbs_FORWARD); |
3708 | |
3709 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3710 | } |
3711 | } |
3712 | } |
3713 | } |
3714 | else |
3715 | { |
3716 | //------------ |
3717 | //projection |
3718 | //------------ |
3719 | V = V2; |
3720 | if (ConstShapes.IsBound(V2)) |
3721 | V = TopoDS::Vertex(ConstShapes(V2)); |
3722 | V.Orientation(TopAbs_REVERSED); |
3723 | if (Build(E).Orientation() == TopAbs_REVERSED) |
3724 | V.Orientation(TopAbs_FORWARD); |
3725 | if (!TryParameter (E,V,TopoDS::Edge(Build(E)),TolConf)) |
3726 | ProjectVertexOnEdge(V,TopoDS::Edge(Build(E)),TolConf); |
3727 | } |
3728 | ConstShapes.Bind(V2,V); |
3729 | Build.Bind(V2,V); |
7fd59977 |
3730 | } |
3731 | } |
3732 | |
3733 | TopoDS_Wire NW; |
3734 | TopoDS_Vertex NV1,NV2; |
3735 | TopAbs_Orientation Or; |
3736 | Standard_Real U1,U2; |
3737 | Standard_Real eps = Precision::Confusion(); |
3738 | |
0797d9d3 |
3739 | #ifdef OCCT_DEBUG |
7fd59977 |
3740 | TopLoc_Location L; |
3741 | #endif |
3742 | B.MakeWire(NW); |
3743 | |
3744 | //----------------- |
3745 | // Reconstruction. |
3746 | //----------------- |
3747 | for (exp2.Init(W.Oriented(TopAbs_FORWARD),TopAbs_EDGE); |
ab87e6fc |
3748 | exp2.More(); exp2.Next()) { |
7fd59977 |
3749 | const TopoDS_Edge& E = TopoDS::Edge(exp2.Current()); |
3750 | TopExp::Vertices (E,V1,V2); |
3751 | if (Build.IsBound(E)) { |
ab87e6fc |
3752 | NE = TopoDS::Edge(Build(E)); |
3753 | BRep_Tool::Range(NE,f,l); |
3754 | Or = NE.Orientation(); |
3755 | //----------------------------------------------------- |
3756 | // Copy pour virer les vertex deja sur la nouvelle edge. |
3757 | //----------------------------------------------------- |
3758 | NV1 = TopoDS::Vertex(ConstShapes(V1)); |
3759 | NV2 = TopoDS::Vertex(ConstShapes(V2)); |
3760 | |
3761 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_INTERNAL); |
3762 | TopoDS_Shape aLocalEdge = NE.Oriented(TopAbs_INTERNAL); |
3763 | |
3764 | U1 = BRep_Tool::Parameter(TopoDS::Vertex(aLocalVertex), |
3765 | TopoDS::Edge (aLocalEdge)); |
3766 | aLocalVertex = NV2.Oriented(TopAbs_INTERNAL); |
3767 | aLocalEdge = NE.Oriented(TopAbs_FORWARD); |
3768 | U2 = BRep_Tool::Parameter |
3769 | (TopoDS::Vertex(aLocalVertex),TopoDS::Edge (aLocalEdge)); |
3770 | // U1 = BRep_Tool::Parameter |
3771 | // (TopoDS::Vertex(NV1.Oriented(TopAbs_INTERNAL)), |
3772 | // TopoDS::Edge (NE .Oriented(TopAbs_FORWARD))); |
3773 | // U2 = BRep_Tool::Parameter |
3774 | // (TopoDS::Vertex(NV2.Oriented(TopAbs_INTERNAL)), |
3775 | // TopoDS::Edge (NE.Oriented(TopAbs_FORWARD))); |
3776 | aLocalEdge = NE.EmptyCopied(); |
3777 | NE = TopoDS::Edge(aLocalEdge); |
3778 | NE.Orientation(TopAbs_FORWARD); |
3779 | if (NV1.IsSame(NV2)) |
3780 | { |
3781 | //-------------- |
3782 | // edge ferme. |
3783 | //-------------- |
3784 | if (Or == TopAbs_FORWARD) {U1 = f; U2 = l;} |
3785 | else {U1 = l; U2 = f;} |
3786 | if (Or == TopAbs_FORWARD) |
3787 | { |
3788 | if (U1 > U2) |
3789 | { |
3790 | if (Abs(U1-l) < eps) U1 = f; |
3791 | if (Abs(U2-f) < eps) U2 = l; |
3792 | } |
3793 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3794 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3795 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3796 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3797 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3798 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3799 | B.Range(NE,U1,U2); |
3800 | ConstShapes.Bind(E,NE); |
3801 | NE.Orientation(E.Orientation()); |
3802 | } |
3803 | else |
3804 | { |
3805 | if (U2 > U1) |
3806 | { |
3807 | if (Abs(U2-l) < eps) U2 = f; |
3808 | if (Abs(U1-f) < eps) U1 = l; |
3809 | } |
3810 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3811 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3812 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3813 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3814 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3815 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3816 | B.Range(NE,U2,U1); |
3817 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3818 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3819 | } |
3820 | } |
3821 | else |
3822 | { |
3823 | //------------------- |
3824 | // edge is not ferme. |
3825 | //------------------- |
3826 | if (Or == TopAbs_FORWARD) { |
3827 | if (U1 > U2) { |
3828 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3829 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3830 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3831 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3832 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3833 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3834 | B.Range(NE,U2,U1); |
3835 | } |
3836 | else |
3837 | { |
3838 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3839 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3840 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3841 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3842 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3843 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3844 | B.Range(NE,U1,U2); |
3845 | } |
3846 | ConstShapes.Bind(E,NE); |
3847 | NE.Orientation(E.Orientation()); |
3848 | } |
3849 | else { |
3850 | if (U2 > U1) { |
3851 | TopoDS_Shape aLocalVertex = NV1.Oriented(TopAbs_FORWARD ); |
3852 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3853 | aLocalVertex = NV2.Oriented(TopAbs_REVERSED); |
3854 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3855 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_FORWARD ))); |
3856 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_REVERSED))); |
3857 | B.Range(NE,U1,U2); |
3858 | ConstShapes.Bind(E,NE); |
3859 | NE.Orientation(E.Orientation()); |
3860 | } |
3861 | else |
3862 | { |
3863 | TopoDS_Shape aLocalVertex = NV2.Oriented(TopAbs_FORWARD ); |
3864 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3865 | aLocalVertex = NV1.Oriented(TopAbs_REVERSED); |
3866 | B.Add (NE,TopoDS::Vertex(aLocalVertex)); |
3867 | // B.Add (NE,TopoDS::Vertex(NV2.Oriented(TopAbs_FORWARD ))); |
3868 | // B.Add (NE,TopoDS::Vertex(NV1.Oriented(TopAbs_REVERSED))); |
3869 | B.Range(NE,U2,U1); |
3870 | ConstShapes.Bind(E,NE.Oriented(TopAbs_REVERSED)); |
3871 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3872 | } |
3873 | } |
3874 | } |
3875 | Build.UnBind(E); |
7fd59977 |
3876 | } // Build.IsBound(E) |
3877 | else if (ConstShapes.IsBound(E)) { // !Build.IsBound(E) |
ab87e6fc |
3878 | NE = TopoDS::Edge(ConstShapes(E)); |
3879 | BuildPCurves(NE,NF); |
3880 | Or = NE.Orientation(); |
3881 | if (Or == TopAbs_REVERSED) { |
3882 | NE.Orientation(TopAbs::Reverse(E.Orientation())); |
3883 | } |
3884 | else { |
3885 | NE.Orientation(E.Orientation()); |
3886 | } |
7fd59977 |
3887 | } |
3888 | else { |
ab87e6fc |
3889 | NE = E; |
3890 | ConstShapes.Bind(E,NE.Oriented(TopAbs_FORWARD)); |
7fd59977 |
3891 | } |
3892 | B.Add(NW,NE); |
3893 | } |
3894 | B.Add(NF,NW.Oriented(W.Orientation())); |
3895 | } |
3896 | NF.Orientation(F.Orientation()); |
3897 | BRepTools::Update(NF); // Maj des UVPoints |
3898 | |
3899 | #ifdef DRAW |
3900 | if (AffichInter) { |
1896126e |
3901 | char name[256]; |
7fd59977 |
3902 | sprintf(name,"FOB_%d",NbFOB++); |
3903 | DBRep::Set(name,NF); |
3904 | } |
3905 | #endif |
3906 | } |
3907 | |
3908 | |
3909 | //======================================================================= |
3910 | //function : Deboucle3D |
3911 | //purpose : |
3912 | //======================================================================= |
3913 | |
3914 | TopoDS_Shape BRepOffset_Tool::Deboucle3D(const TopoDS_Shape& S, |
ab87e6fc |
3915 | const TopTools_MapOfShape& Boundary) |
7fd59977 |
3916 | { |
3917 | return BRepAlgo_Tool::Deboucle3D(S,Boundary); |
3918 | } |
3919 | |
3920 | //======================================================================= |
3921 | //function : IsInOut |
3922 | //purpose : |
3923 | //======================================================================= |
3924 | |
3925 | static Standard_Boolean IsInOut (BRepTopAdaptor_FClass2d& FC, |
ab87e6fc |
3926 | Geom2dAdaptor_Curve AC, |
3927 | const TopAbs_State& S ) |
7fd59977 |
3928 | { |
3929 | Standard_Real Def = 100*Precision::Confusion(); |
3930 | GCPnts_QuasiUniformDeflection QU(AC,Def); |
3931 | |
3932 | for (Standard_Integer i = 1; i <= QU.NbPoints(); i++) { |
3933 | gp_Pnt2d P = AC.Value(QU.Parameter(i)); |
3934 | if (FC.Perform(P) != S) { |
3935 | return Standard_False; |
7fd59977 |
3936 | } |
3937 | } |
3938 | return Standard_True; |
3939 | } |
ab87e6fc |
3940 | |
7fd59977 |
3941 | //======================================================================= |
3942 | //function : CorrectOrientation |
3943 | //purpose : |
3944 | //======================================================================= |
3945 | |
3946 | void BRepOffset_Tool::CorrectOrientation(const TopoDS_Shape& SI, |
ab87e6fc |
3947 | const TopTools_IndexedMapOfShape& NewEdges, |
3948 | Handle(BRepAlgo_AsDes)& AsDes, |
3949 | BRepAlgo_Image& InitOffset, |
3950 | const Standard_Real Offset) |
7fd59977 |
3951 | { |
3952 | |
3953 | TopExp_Explorer exp; |
3954 | exp.Init(SI,TopAbs_FACE); |
3955 | Standard_Real f=0.,l=0.; |
3956 | |
3957 | for (; exp.More(); exp.Next()) { |
3958 | |
3959 | const TopoDS_Face& FI = TopoDS::Face(exp.Current()); |
3960 | const TopTools_ListOfShape& LOF = InitOffset.Image(FI); |
3961 | TopTools_ListIteratorOfListOfShape it(LOF); |
3962 | for (; it.More(); it.Next()) { |
3963 | const TopoDS_Face& OF = TopoDS::Face(it.Value()); |
3964 | TopTools_ListOfShape& LOE = AsDes->ChangeDescendant(OF); |
3965 | TopTools_ListIteratorOfListOfShape itE(LOE); |
3966 | |
3967 | Standard_Boolean YaInt = Standard_False; |
3968 | for (; itE.More(); itE.Next()) { |
ab87e6fc |
3969 | const TopoDS_Edge& OE = TopoDS::Edge(itE.Value()); |
3970 | if (NewEdges.Contains(OE)) {YaInt = Standard_True; break;} |
7fd59977 |
3971 | } |
3972 | if (YaInt) { |
ab87e6fc |
3973 | TopoDS_Shape aLocalFace = FI.Oriented(TopAbs_FORWARD); |
3974 | BRepTopAdaptor_FClass2d FC (TopoDS::Face(aLocalFace), |
3975 | Precision::Confusion()); |
3976 | // BRepTopAdaptor_FClass2d FC (TopoDS::Face(FI.Oriented(TopAbs_FORWARD)), |
3977 | // Precision::Confusion()); |
3978 | for (itE.Initialize(LOE); itE.More(); itE.Next()) { |
3979 | TopoDS_Shape& OE = itE.Value(); |
3980 | if (NewEdges.Contains(OE)) { |
3981 | Handle(Geom2d_Curve) CO2d = |
3982 | BRep_Tool::CurveOnSurface(TopoDS::Edge(OE),OF,f,l); |
3983 | Geom2dAdaptor_Curve AC(CO2d,f,l); |
3984 | |
3985 | if (Offset > 0) { |
3986 | if (IsInOut(FC,AC,TopAbs_OUT)) OE.Reverse(); |
3987 | } |
3988 | // else { |
3989 | // if (IsInOut(FC,AC,TopAbs_IN)) OE.Reverse(); |
3990 | // } |
3991 | } |
3992 | } |
7fd59977 |
3993 | } |
3994 | } |
3995 | } |
3996 | |
3997 | } |
3998 | |
3999 | |
4000 | |