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1 | // Created on: 1993-10-14 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1993-1999 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 | |
17 | // Modified by skv - Fri Mar 4 15:50:09 2005 |
18 | // Add methods for supporting history. |
19 | |
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20 | #include <BRep_TEdge.hxx> |
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21 | #include <BRepLib.hxx> |
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22 | #include <BRepPrimAPI_MakeRevol.hxx> |
23 | #include <BRepSweep_Revol.hxx> |
24 | #include <gp_Ax1.hxx> |
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25 | #include <TopExp_Explorer.hxx> |
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26 | #include <TopoDS_Shape.hxx> |
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27 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
28 | #include <BRepTools_ReShape.hxx> |
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29 | // perform checks on the argument |
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30 | static const TopoDS_Shape& check(const TopoDS_Shape& S) |
31 | { |
32 | BRepLib::BuildCurves3d(S); |
33 | return S; |
34 | } |
35 | |
36 | //======================================================================= |
37 | //function : BRepPrimAPI_MakeRevol |
38 | //purpose : |
39 | //======================================================================= |
40 | |
41 | BRepPrimAPI_MakeRevol::BRepPrimAPI_MakeRevol(const TopoDS_Shape& S, |
42 | const gp_Ax1& A, |
43 | const Standard_Real D, |
44 | const Standard_Boolean Copy) : |
45 | myRevol(check(S),A,D,Copy) |
46 | { |
47 | Build(); |
48 | } |
49 | |
50 | |
51 | //======================================================================= |
52 | //function : BRepPrimAPI_MakeRevol |
53 | //purpose : |
54 | //======================================================================= |
55 | |
56 | BRepPrimAPI_MakeRevol::BRepPrimAPI_MakeRevol(const TopoDS_Shape& S, |
57 | const gp_Ax1& A, |
58 | const Standard_Boolean Copy) : |
59 | myRevol(check(S),A,Copy) |
60 | { |
61 | Build(); |
62 | } |
63 | |
64 | |
65 | //======================================================================= |
66 | //function : Revol |
67 | //purpose : |
68 | //======================================================================= |
69 | |
70 | const BRepSweep_Revol& BRepPrimAPI_MakeRevol::Revol() const |
71 | { |
72 | return myRevol; |
73 | } |
74 | |
75 | |
76 | //======================================================================= |
77 | //function : Build |
78 | //purpose : |
79 | //======================================================================= |
80 | |
81 | void BRepPrimAPI_MakeRevol::Build() |
82 | { |
83 | myShape = myRevol.Shape(); |
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84 | BRepLib::UpdateInnerTolerances(myShape); |
85 | |
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86 | Done(); |
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87 | myHist.Nullify(); |
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88 | myDegenerated.Clear(); |
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89 | TopTools_DataMapOfShapeListOfShape aDegE; |
90 | BRep_Builder aBB; |
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91 | |
92 | TopExp_Explorer anExp(myShape, TopAbs_EDGE); |
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93 | //Problem is that some degenerated edges can be shared by different faces. |
94 | //It is not valid for correct shape. |
95 | //To solve problem it is possible to copy shared degenerated edge for each face, which has it, and |
96 | //replace shared edge by its copy |
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97 | for (; anExp.More(); anExp.Next()) { |
98 | const TopoDS_Shape &anEdge = anExp.Current(); |
99 | Handle(BRep_TEdge) aTEdge = Handle(BRep_TEdge)::DownCast(anEdge.TShape()); |
100 | |
101 | if (aTEdge->Degenerated()) |
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102 | { |
103 | TopTools_ListOfShape* anL = aDegE.ChangeSeek(anEdge); |
104 | if (anL) |
105 | { |
106 | //Make the copy if degenerated edge occurs more then once |
107 | TopoDS_Shape aCopyE = anEdge.EmptyCopied(); |
108 | aCopyE.Orientation(TopAbs_FORWARD); |
109 | TopoDS_Iterator aVIter(anEdge.Oriented(TopAbs_FORWARD), Standard_False); |
110 | for (; aVIter.More(); aVIter.Next()) |
111 | { |
112 | aBB.Add(aCopyE, aVIter.Value()); |
113 | } |
114 | aCopyE.Orientation(anEdge.Orientation()); |
115 | anL->Append(aCopyE); |
116 | myDegenerated.Append(aCopyE); |
117 | } |
118 | else |
119 | { |
120 | anL = aDegE.Bound(anEdge, TopTools_ListOfShape()); |
121 | anL->Append(anEdge); |
122 | myDegenerated.Append(anEdge); |
123 | } |
124 | } |
125 | } |
126 | if (!myDegenerated.IsEmpty()) |
127 | { |
128 | BRepTools_ReShape aSubs; |
129 | TopTools_DataMapOfShapeListOfShape aDegF; |
130 | Standard_Boolean isReplaced = Standard_False; |
131 | anExp.Init(myShape, TopAbs_FACE); |
132 | //Replace degenerated edge by its copies for different faces |
133 | //First, for each face list of d.e. is created |
134 | for (; anExp.More(); anExp.Next()) |
135 | { |
136 | const TopoDS_Shape& aF = anExp.Current(); |
137 | TopExp_Explorer anExpE(aF, TopAbs_EDGE); |
138 | for (; anExpE.More(); anExpE.Next()) |
139 | { |
140 | const TopoDS_Shape &anE = anExpE.Current(); |
141 | if (BRep_Tool::Degenerated(TopoDS::Edge(anE))) |
142 | { |
143 | TopTools_ListOfShape* anL = aDegF.ChangeSeek(aF); |
144 | if (!anL) |
145 | { |
146 | anL = aDegF.Bound(aF, TopTools_ListOfShape()); |
147 | } |
148 | anL->Append(anE); |
149 | } |
150 | } |
151 | } |
152 | // |
153 | //Second, replace edges by copies using ReShape |
154 | BRepTools_ReShape aSubsF; |
155 | TopTools_DataMapIteratorOfDataMapOfShapeListOfShape aFIter(aDegF); |
156 | for (; aFIter.More(); aFIter.Next()) |
157 | { |
158 | aSubs.Clear(); |
159 | isReplaced = Standard_False; |
160 | const TopoDS_Shape& aF = aFIter.Key(); |
161 | const TopTools_ListOfShape& aDEL = aFIter.ChangeValue(); |
162 | TopTools_ListIteratorOfListOfShape anEIter(aDEL); |
163 | for (; anEIter.More(); anEIter.Next()) |
164 | { |
165 | const TopoDS_Shape& anE = anEIter.Value(); |
166 | if (aDegE.IsBound(anE)) |
167 | { |
168 | TopTools_ListOfShape& aCEL = aDegE.ChangeFind(anE); |
169 | TopTools_ListIteratorOfListOfShape anIt(aCEL); |
170 | for (; anIt.More(); anIt.Next()) |
171 | { |
172 | if (anIt.Value().IsEqual(anE)) |
173 | { |
174 | //First occurence of initial deg. edge is not replaced |
175 | aCEL.Remove(anIt); |
176 | break; |
177 | } |
178 | if (anIt.Value().Orientation() == anE.Orientation()) |
179 | { |
180 | //All other occurences of anE are replaced by any copy |
181 | //with suitable orientation |
182 | isReplaced = Standard_True; |
183 | aSubs.Replace(anE, anIt.Value()); |
184 | aCEL.Remove(anIt); |
185 | break; |
186 | } |
187 | } |
188 | } |
189 | } |
190 | if (isReplaced) |
191 | { |
192 | TopoDS_Shape aNF = aSubs.Apply(aF); |
193 | aSubsF.Replace(aF, aNF); |
194 | if (myHist.IsNull()) |
195 | { |
196 | myHist = aSubs.History(); |
197 | } |
198 | else |
199 | { |
200 | myHist->Merge(aSubs.History()); |
201 | } |
202 | myShape = aSubsF.Apply(myShape); |
203 | myHist->Merge(aSubsF.History()); |
204 | //Pair aF->aNF is in history after first replacing of edge by aNF = aSubs.Apply(aF) |
205 | //After merging history for replacing faces, modified list for aF contains two exemplar of aNF |
206 | //So, using ReplaceModified clears modified list for aF and leaves only one exemplar of aNF |
207 | myHist->ReplaceModified(aF, aNF); |
208 | aSubsF.Clear(); |
209 | } |
210 | } |
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211 | } |
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212 | } |
213 | |
214 | |
215 | //======================================================================= |
216 | //function : FirstShape |
217 | //purpose : |
218 | //======================================================================= |
219 | |
220 | TopoDS_Shape BRepPrimAPI_MakeRevol::FirstShape() |
221 | { |
222 | return myRevol.FirstShape(); |
223 | } |
224 | |
225 | |
226 | //======================================================================= |
227 | //function : LastShape |
228 | //purpose : |
229 | //======================================================================= |
230 | |
231 | TopoDS_Shape BRepPrimAPI_MakeRevol::LastShape() |
232 | { |
233 | return myRevol.LastShape(); |
234 | } |
235 | |
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236 | //======================================================================= |
237 | //function : Generated |
238 | //purpose : |
239 | //======================================================================= |
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240 | const TopTools_ListOfShape& BRepPrimAPI_MakeRevol::Generated (const TopoDS_Shape& S) |
241 | { |
242 | myGenerated.Clear(); |
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243 | |
244 | if (!myRevol.IsUsed(S)) |
245 | { |
246 | return myGenerated; |
247 | } |
248 | |
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249 | TopoDS_Shape aGS = myRevol.Shape(S); |
250 | if (!aGS.IsNull()) |
251 | { |
252 | if (BRepTools_History::IsSupportedType(aGS)) |
253 | { |
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254 | if (aGS.ShapeType() == TopAbs_EDGE) |
255 | { |
256 | Standard_Boolean isDeg = BRep_Tool::Degenerated(TopoDS::Edge(aGS)); |
257 | if (isDeg) |
258 | { |
259 | TopTools_ListIteratorOfListOfShape anIt(myDegenerated); |
260 | for (; anIt.More(); anIt.Next()) |
261 | { |
262 | if (aGS.IsSame(anIt.Value())) |
263 | { |
264 | myGenerated.Append(aGS); |
265 | if (!myHist.IsNull()) |
266 | { |
267 | TopTools_ListIteratorOfListOfShape anIt1(myHist->Modified(aGS)); |
268 | for (; anIt1.More(); anIt1.Next()) |
269 | { |
270 | myGenerated.Append(anIt1.Value()); |
271 | } |
272 | return myGenerated; |
273 | } |
274 | } |
275 | } |
276 | return myGenerated; |
277 | } |
278 | } |
279 | // |
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280 | if (myHist.IsNull()) |
281 | { |
282 | myGenerated.Append(aGS); |
283 | return myGenerated; |
284 | } |
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285 | // |
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286 | if (myHist->Modified(aGS).IsEmpty()) |
287 | { |
288 | myGenerated.Append(aGS); |
289 | return myGenerated; |
290 | } |
291 | // |
292 | TopTools_ListIteratorOfListOfShape anIt(myHist->Modified(aGS)); |
293 | for (; anIt.More(); anIt.Next()) |
294 | { |
295 | myGenerated.Append(anIt.Value()); |
296 | } |
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297 | } |
298 | } |
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299 | return myGenerated; |
300 | } |
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301 | //======================================================================= |
302 | //function : IsDeleted |
303 | //purpose : |
304 | //======================================================================= |
305 | Standard_Boolean BRepPrimAPI_MakeRevol::IsDeleted(const TopoDS_Shape& S) |
306 | { |
307 | return !myRevol.IsUsed(S); |
308 | } |
309 | |
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310 | |
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311 | //======================================================================= |
312 | //function : FirstShape |
313 | //purpose : This method returns the shape of the beginning of the revolution, |
314 | // generated with theShape (subShape of the generating shape). |
315 | //======================================================================= |
316 | |
317 | TopoDS_Shape BRepPrimAPI_MakeRevol::FirstShape(const TopoDS_Shape &theShape) |
318 | { |
319 | return myRevol.FirstShape(theShape); |
320 | } |
321 | |
322 | |
323 | //======================================================================= |
324 | //function : LastShape |
325 | //purpose : This method returns the shape of the end of the revolution, |
326 | // generated with theShape (subShape of the generating shape). |
327 | //======================================================================= |
328 | |
329 | TopoDS_Shape BRepPrimAPI_MakeRevol::LastShape(const TopoDS_Shape &theShape) |
330 | { |
331 | return myRevol.LastShape(theShape); |
332 | } |
333 | |
334 | //======================================================================= |
335 | //function : HasDegenerated |
336 | //purpose : |
337 | //======================================================================= |
338 | |
339 | Standard_Boolean BRepPrimAPI_MakeRevol::HasDegenerated () const |
340 | { |
341 | return (!myDegenerated.IsEmpty()); |
342 | } |
343 | |
344 | |
345 | //======================================================================= |
346 | //function : Degenerated |
347 | //purpose : |
348 | //======================================================================= |
349 | |
350 | const TopTools_ListOfShape& BRepPrimAPI_MakeRevol::Degenerated () const |
351 | { |
352 | return myDegenerated; |
353 | } |
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354 | |