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1 | // Created on: 1994-10-04 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1994-1999 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 | #include <BRepMAT2d_Explorer.ixx> |
18 | #include <MAT2d_SequenceOfSequenceOfCurve.hxx> |
19 | #include <TColGeom2d_SequenceOfCurve.hxx> |
20 | #include <TopoDS_Wire.hxx> |
21 | #include <BRepTools_WireExplorer.hxx> |
22 | #include <TopLoc_Location.hxx> |
23 | #include <Geom_Curve.hxx> |
24 | #include <Geom_TrimmedCurve.hxx> |
25 | #include <Geom2d_TrimmedCurve.hxx> |
26 | #include <GeomAPI.hxx> |
27 | #include <BRep_Tool.hxx> |
28 | #include <gp.hxx> |
29 | #include <gp_Pln.hxx> |
30 | #include <TopExp_Explorer.hxx> |
31 | #include <TopAbs.hxx> |
32 | #include <TopoDS.hxx> |
33 | |
34 | #include <Precision.hxx> |
35 | #include <Geom2d_BSplineCurve.hxx> |
36 | #include <Geom2dConvert.hxx> |
37 | #include <BRepBuilderAPI_MakeFace.hxx> |
38 | #include <TopExp.hxx> |
39 | #include <BRep_Builder.hxx> |
40 | #include <BRepLib.hxx> |
41 | #include <TopTools_IndexedDataMapOfShapeShape.hxx> |
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42 | #include <GeomAbs_CurveType.hxx> |
43 | #include <Geom2d_Circle.hxx> |
44 | #include <Geom2d_Line.hxx> |
45 | #include <Geom2d_Ellipse.hxx> |
46 | #include <Geom2d_Parabola.hxx> |
47 | #include <Geom2d_Hyperbola.hxx> |
48 | #include <Geom2d_BezierCurve.hxx> |
49 | #include <GCE2d_MakeArcOfCircle.hxx> |
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50 | #include <GCE2d_MakeSegment.hxx> |
51 | #include <Geom2d_BoundedCurve.hxx> |
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52 | // |
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53 | // Modified by Sergey KHROMOV - Thu Dec 5 10:38:14 2002 Begin |
54 | static TopoDS_Edge MakeEdge(const Handle(Geom2d_Curve) &theCurve, |
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55 | const TopoDS_Face &theFace, |
56 | const TopoDS_Vertex &theVFirst, |
57 | const TopoDS_Vertex &theVLast); |
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58 | // Modified by Sergey KHROMOV - Thu Dec 5 10:38:16 2002 End |
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59 | // |
60 | static GeomAbs_CurveType GetCurveType(const Handle(Geom2d_Curve)& theC2d); |
61 | static void AdjustCurveEnd(Handle(Geom2d_BoundedCurve)& theC2d, const gp_Pnt2d theP, |
62 | const Standard_Boolean isFirst); |
63 | // |
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64 | //======================================================================= |
65 | //function : BRepMAT2d_Explorer |
66 | //purpose : |
67 | //======================================================================= |
68 | |
69 | BRepMAT2d_Explorer::BRepMAT2d_Explorer() |
70 | { |
71 | Clear(); |
72 | } |
73 | |
74 | //======================================================================= |
75 | //function : BRepMAT2d_Explorer |
76 | //purpose : |
77 | //======================================================================= |
78 | |
79 | BRepMAT2d_Explorer::BRepMAT2d_Explorer(const TopoDS_Face& aFace) |
80 | { |
81 | Perform (aFace); |
82 | } |
83 | |
84 | //======================================================================= |
85 | //function : Perform |
86 | //purpose : |
87 | //======================================================================= |
88 | |
89 | void BRepMAT2d_Explorer::Perform(const TopoDS_Face& aFace) |
90 | { |
91 | Clear(); |
92 | myShape = aFace; |
93 | TopoDS_Face F = TopoDS::Face(aFace); |
94 | F.Orientation(TopAbs_FORWARD); |
95 | TopExp_Explorer Exp (F,TopAbs_WIRE); |
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96 | // Modified by Sergey KHROMOV - Tue Nov 26 16:10:37 2002 Begin |
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97 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F); |
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98 | TopoDS_Face aNewF = BRepBuilderAPI_MakeFace(aSurf, Precision::Confusion()); |
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99 | |
100 | while (Exp.More()) { |
101 | Add (TopoDS::Wire (Exp.Current()),F, aNewF); |
102 | Exp.Next(); |
103 | } |
104 | |
105 | BRepLib::BuildCurves3d(aNewF); |
106 | |
107 | myModifShapes.Add(aFace, aNewF); |
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108 | // CheckConnection(); |
109 | // Modified by Sergey KHROMOV - Tue Nov 26 16:10:38 2002 End |
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110 | } |
111 | |
112 | //======================================================================= |
113 | //function : Add |
114 | //purpose : |
115 | //======================================================================= |
116 | |
117 | void BRepMAT2d_Explorer::Add(const TopoDS_Wire& Spine, |
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118 | const TopoDS_Face& aFace, |
119 | TopoDS_Face& aNewFace) |
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120 | { |
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121 | // Modified by Sergey KHROMOV - Tue Nov 26 14:25:46 2002 Begin |
122 | // This method is totally rewroted to include check |
123 | // of connection and creation of a new spine. |
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124 | NewContour(); |
125 | myIsClosed(currentContour) = (Spine.Closed()) ? Standard_True : Standard_False; |
126 | |
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127 | // Modified by skv - Wed Jun 23 12:23:01 2004 Integration Begin |
128 | // Taking into account side of bisecting loci construction. |
129 | // TopoDS_Wire aWFwd = TopoDS::Wire(Spine.Oriented(TopAbs_FORWARD)); |
130 | // BRepTools_WireExplorer anExp(aWFwd, aFace); |
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131 | BRepTools_WireExplorer anExp(Spine, aFace); |
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132 | // Modified by skv - Wed Jun 23 12:23:02 2004 Integration End |
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133 | TopTools_IndexedDataMapOfShapeShape anOldNewE; |
134 | |
135 | if (!anExp.More()) |
136 | return; |
137 | |
138 | TopoDS_Edge aFirstEdge = anExp.Current(); |
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139 | TopoDS_Edge aPrevEdge = aFirstEdge; |
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140 | Standard_Real UFirst,ULast, aD; |
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141 | Handle(Geom2d_Curve) C2d; |
142 | Handle(Geom2d_TrimmedCurve) CT2d; |
143 | Handle(Geom2d_TrimmedCurve) aFirstCurve; |
144 | gp_Pnt2d aPFirst; |
145 | gp_Pnt2d aPLast; |
146 | gp_Pnt2d aPCurFirst; |
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147 | // Modified by skv - Mon Jul 11 19:00:25 2005 Integration Begin |
148 | // Set the confusion tolerance in accordance with the further algo |
149 | // Standard_Real aTolConf = Precision::Confusion(); |
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150 | Standard_Real aTolConf = 1.e-8; |
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151 | // Modified by skv - Mon Jul 11 19:00:25 2005 Integration End |
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152 | Standard_Boolean isModif = Standard_False; |
153 | |
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154 | // Treatment of the first edge of a wire. |
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155 | anOldNewE.Add(aFirstEdge, aFirstEdge); |
156 | C2d = BRep_Tool::CurveOnSurface (aFirstEdge, aFace, UFirst, ULast); |
157 | CT2d = new Geom2d_TrimmedCurve(C2d,UFirst,ULast); |
158 | |
159 | if (aFirstEdge.Orientation() == TopAbs_REVERSED) |
160 | CT2d->Reverse(); |
161 | |
162 | aPFirst = CT2d->Value(CT2d->FirstParameter()); |
163 | aPLast = CT2d->Value(CT2d->LastParameter()); |
164 | |
165 | Add(CT2d); |
166 | aFirstCurve = CT2d; |
167 | anExp.Next(); |
168 | |
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169 | // Treatment of the next edges: |
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170 | for (; anExp.More(); anExp.Next()) { |
171 | TopoDS_Edge anEdge = anExp.Current(); |
172 | |
173 | anOldNewE.Add(anEdge, anEdge); |
174 | C2d = BRep_Tool::CurveOnSurface (anEdge, aFace, UFirst, ULast); |
175 | CT2d = new Geom2d_TrimmedCurve(C2d,UFirst,ULast); |
176 | |
177 | if (anEdge.Orientation() == TopAbs_REVERSED) |
178 | CT2d->Reverse(); |
179 | |
180 | aPCurFirst = CT2d->Value(CT2d->FirstParameter()); |
181 | // |
182 | aD=aPLast.Distance(aPCurFirst); |
183 | if (aD > aTolConf) { |
184 | // There are two ways how to fill holes: |
185 | // First, to create a line between these two points. |
186 | // Second, create a BSpline curve and to add the last point of the previous |
187 | // curve as the first pole of the current one. Second method which |
188 | // is worse was performed before and leaved here. Otherwise too much |
189 | // code should be rewritten. |
190 | isModif = Standard_True; |
191 | // |
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192 | Standard_Integer aNbC = theCurves.Value(currentContour).Length(); |
193 | Handle(Geom2d_BoundedCurve) CPrev = |
194 | Handle(Geom2d_BoundedCurve)::DownCast(theCurves.ChangeValue(currentContour).ChangeValue(aNbC)); |
195 | // |
196 | GeomAbs_CurveType TCPrev = GetCurveType(CPrev); |
197 | GeomAbs_CurveType TCCurr = GetCurveType(CT2d); |
198 | // |
199 | if(TCCurr <= TCPrev) |
200 | { |
201 | AdjustCurveEnd(CT2d, aPLast, Standard_True); |
202 | // Creation of new edge. |
203 | TopoDS_Edge aNewEdge; |
204 | TopoDS_Vertex aVf = TopExp::FirstVertex(anEdge); |
205 | TopoDS_Vertex aVl = TopExp::LastVertex(anEdge); |
206 | |
207 | if (anEdge.Orientation() == TopAbs_FORWARD) |
208 | aNewEdge = MakeEdge(CT2d, aNewFace, aVf, aVl); |
209 | else |
210 | aNewEdge = MakeEdge(CT2d->Reversed(), aNewFace, aVf, aVl); |
211 | |
212 | aNewEdge.Orientation(anEdge.Orientation()); |
213 | |
214 | anOldNewE.ChangeFromKey(anEdge) = aNewEdge; |
215 | } |
216 | else |
217 | { |
218 | gp_Pnt2d aP = CT2d->Value(CT2d->FirstParameter()); |
219 | AdjustCurveEnd(CPrev, aP, Standard_False); |
220 | theCurves.ChangeValue(currentContour).ChangeValue(aNbC) = CPrev; |
221 | //Change previous edge |
222 | TopoDS_Edge aNewEdge; |
223 | TopoDS_Vertex aVf = TopExp::FirstVertex(aPrevEdge); |
224 | TopoDS_Vertex aVl = TopExp::LastVertex(aPrevEdge); |
225 | |
226 | if (aPrevEdge.Orientation() == TopAbs_FORWARD) |
227 | aNewEdge = MakeEdge(CPrev, aNewFace, aVf, aVl); |
228 | else |
229 | aNewEdge = MakeEdge(CPrev->Reversed(), aNewFace, aVf, aVl); |
230 | |
231 | aNewEdge.Orientation(aPrevEdge.Orientation()); |
232 | |
233 | anOldNewE.ChangeFromKey(aPrevEdge) = aNewEdge; |
234 | |
235 | } |
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236 | |
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237 | } |
238 | |
239 | aPLast = CT2d->Value(CT2d->LastParameter()); |
240 | Add(CT2d); |
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241 | aPrevEdge = anEdge; |
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242 | } |
243 | |
244 | // Check of the distance between the first and the last point of wire |
245 | // if the wire is closed. |
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246 | if (myIsClosed(currentContour) && aPLast.Distance(aPFirst) > aTolConf) { |
247 | isModif = Standard_True; |
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248 | |
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249 | // |
250 | Standard_Integer aNbC = theCurves.Value(currentContour).Length(); |
251 | Handle(Geom2d_BoundedCurve) CPrev = |
252 | Handle(Geom2d_BoundedCurve)::DownCast(theCurves.ChangeValue(currentContour).ChangeValue(aNbC)); |
253 | // |
254 | GeomAbs_CurveType TCPrev = GetCurveType(CPrev); |
255 | GeomAbs_CurveType TCCurr = GetCurveType(aFirstCurve); |
256 | // |
257 | if(TCCurr <= TCPrev) |
258 | { |
259 | AdjustCurveEnd(aFirstCurve, aPLast, Standard_True); |
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260 | theCurves.ChangeValue(currentContour).ChangeValue(1) = aFirstCurve; |
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261 | // Creation of new edge. |
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262 | TopoDS_Edge aNewEdge; |
263 | TopoDS_Vertex aVf = TopExp::FirstVertex(aFirstEdge); |
264 | TopoDS_Vertex aVl = TopExp::LastVertex(aFirstEdge); |
265 | |
266 | if (aFirstEdge.Orientation() == TopAbs_FORWARD) |
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267 | aNewEdge = MakeEdge(aFirstCurve, aNewFace, aVf, aVl); |
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268 | else |
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269 | aNewEdge = MakeEdge(aFirstCurve->Reversed(), aNewFace, aVf, aVl); |
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270 | |
271 | aNewEdge.Orientation(aFirstEdge.Orientation()); |
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272 | |
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273 | anOldNewE.ChangeFromKey(aFirstEdge) = aNewEdge; |
274 | } |
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275 | else |
276 | { |
277 | gp_Pnt2d aP = aFirstCurve->Value(aFirstCurve->FirstParameter()); |
278 | AdjustCurveEnd(CPrev, aP, Standard_False); |
279 | theCurves.ChangeValue(currentContour).ChangeValue(aNbC) = CPrev; |
280 | //Change previous edge |
281 | TopoDS_Edge aNewEdge; |
282 | TopoDS_Vertex aVf = TopExp::FirstVertex(aPrevEdge); |
283 | TopoDS_Vertex aVl = TopExp::LastVertex(aPrevEdge); |
284 | |
285 | if (aPrevEdge.Orientation() == TopAbs_FORWARD) |
286 | aNewEdge = MakeEdge(CPrev, aNewFace, aVf, aVl); |
287 | else |
288 | aNewEdge = MakeEdge(CPrev->Reversed(), aNewFace, aVf, aVl); |
289 | |
290 | aNewEdge.Orientation(aPrevEdge.Orientation()); |
291 | |
292 | anOldNewE.ChangeFromKey(aPrevEdge) = aNewEdge; |
293 | |
294 | } |
295 | |
296 | } |
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297 | |
298 | TopoDS_Wire aNewWire; |
299 | BRep_Builder aBuilder; |
300 | |
301 | if (isModif) { |
302 | Standard_Integer i; |
303 | Standard_Integer aNbEdges = anOldNewE.Extent(); |
304 | |
305 | aBuilder.MakeWire(aNewWire); |
306 | |
307 | for (i = 1; i <= aNbEdges; i++) { |
308 | const TopoDS_Shape &aKey = anOldNewE.FindKey(i); |
309 | const TopoDS_Shape &aNewEdge = anOldNewE.FindFromIndex(i); |
310 | |
311 | aBuilder.Add(aNewWire, aNewEdge); |
312 | myModifShapes.Add(aKey, aNewEdge); |
313 | } |
314 | |
315 | if (myIsClosed(currentContour)) |
316 | aNewWire.Closed(Standard_True); |
317 | |
318 | // Modified by skv - Fri Nov 12 17:22:12 2004 Integration Begin |
319 | // The orientation of wire is already taken into account. |
320 | // aNewWire.Orientation(Spine.Orientation()); |
321 | // Modified by skv - Fri Nov 12 17:22:12 2004 Integration End |
322 | myModifShapes.Add(Spine, aNewWire); |
323 | } else |
324 | aNewWire = Spine; |
325 | |
326 | aBuilder.Add(aNewFace, aNewWire); |
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327 | // Modified by Sergey KHROMOV - Tue Nov 26 14:25:53 2002 End |
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328 | } |
329 | |
330 | //======================================================================= |
331 | //function : CheckConnection |
332 | //purpose : |
333 | //======================================================================= |
334 | |
335 | // Modified by Sergey KHROMOV - Tue Nov 26 17:21:44 2002 Begin |
336 | // void BRepMAT2d_Explorer::CheckConnection() |
337 | // { |
338 | // for (Standard_Integer i = 1; i <= theCurves.Length(); i++) |
339 | // for (Standard_Integer j = 2; j <= theCurves(i).Length(); j++) |
340 | // { |
341 | // gp_Pnt2d P1 = theCurves(i)(j-1)->Value( theCurves(i)(j-1)->LastParameter() ); |
342 | // gp_Pnt2d P2 = theCurves(i)(j)->Value( theCurves(i)(j)->FirstParameter() ); |
343 | // if (P1.Distance( P2 ) > Precision::Confusion()) |
344 | // { |
345 | // Handle( Geom2d_BSplineCurve ) BCurve; |
346 | // if (theCurves(i)(j)->DynamicType() != STANDARD_TYPE(Geom2d_BSplineCurve)) |
347 | // BCurve = Geom2dConvert::CurveToBSplineCurve( theCurves(i)(j) ); |
348 | // else |
349 | // BCurve = Handle( Geom2d_BSplineCurve )::DownCast( theCurves(i)(j) ); |
350 | // BCurve->SetPole( 1, P1 ); |
351 | // theCurves(i)(j) = new Geom2d_TrimmedCurve( BCurve, BCurve->FirstParameter(), BCurve->LastParameter() ); |
352 | // } |
353 | // } |
354 | // } |
355 | // Modified by Sergey KHROMOV - Tue Nov 26 17:21:29 2002 End |
356 | |
357 | //======================================================================= |
358 | //function : Clear |
359 | //purpose : |
360 | //======================================================================= |
361 | |
362 | void BRepMAT2d_Explorer::Clear() |
363 | { |
364 | theCurves.Clear() ; |
365 | currentContour = 0; |
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366 | // Modified by Sergey KHROMOV - Wed Mar 6 16:07:55 2002 Begin |
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367 | myIsClosed.Clear(); |
368 | myModifShapes.Clear(); |
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369 | // Modified by Sergey KHROMOV - Wed Mar 6 16:07:55 2002 End |
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370 | } |
371 | |
372 | |
373 | //======================================================================= |
374 | //function : NewContour |
375 | //purpose : |
376 | //======================================================================= |
377 | |
378 | void BRepMAT2d_Explorer::NewContour() |
379 | { |
380 | TColGeom2d_SequenceOfCurve Contour; |
381 | theCurves.Append(Contour); |
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382 | // Modified by Sergey KHROMOV - Wed Mar 6 16:12:05 2002 Begin |
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383 | myIsClosed.Append(Standard_False); |
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384 | // Modified by Sergey KHROMOV - Wed Mar 6 16:12:05 2002 End |
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385 | currentContour ++ ; |
386 | } |
387 | |
388 | |
389 | //======================================================================= |
390 | //function : Add |
391 | //purpose : |
392 | //======================================================================= |
393 | |
394 | void BRepMAT2d_Explorer::Add(const Handle(Geom2d_Curve)& aCurve) |
395 | { |
396 | theCurves.ChangeValue(currentContour).Append(aCurve); |
397 | } |
398 | |
399 | //======================================================================= |
400 | //function : NumberOfContours |
401 | //purpose : |
402 | //======================================================================= |
403 | |
404 | Standard_Integer BRepMAT2d_Explorer::NumberOfContours() const |
405 | { |
406 | return theCurves.Length() ; |
407 | } |
408 | |
409 | |
410 | //======================================================================= |
411 | //function : NumberOfCurves |
412 | //purpose : |
413 | //======================================================================= |
414 | |
415 | Standard_Integer BRepMAT2d_Explorer::NumberOfCurves |
416 | (const Standard_Integer IndexContour) |
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417 | const |
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418 | { |
419 | return theCurves.Value(IndexContour).Length(); |
420 | } |
421 | |
422 | |
423 | //======================================================================= |
424 | //function : Init |
425 | //purpose : |
426 | //======================================================================= |
427 | |
428 | void BRepMAT2d_Explorer::Init(const Standard_Integer IndexContour) |
429 | { |
430 | currentContour = IndexContour; |
431 | current = 1; |
432 | } |
433 | |
434 | |
435 | //======================================================================= |
436 | //function : More |
437 | //purpose : |
438 | //======================================================================= |
439 | |
440 | Standard_Boolean BRepMAT2d_Explorer::More() const |
441 | { |
442 | return (current <= NumberOfCurves(currentContour)); |
443 | } |
444 | |
445 | |
446 | //======================================================================= |
447 | //function : Next |
448 | //purpose : |
449 | //======================================================================= |
450 | |
451 | void BRepMAT2d_Explorer::Next() |
452 | { |
453 | current++; |
454 | } |
455 | |
456 | |
457 | //======================================================================= |
458 | //function : Value |
459 | //purpose : |
460 | //======================================================================= |
461 | |
462 | Handle(Geom2d_Curve) BRepMAT2d_Explorer::Value() const |
463 | { |
464 | return theCurves.Value(currentContour).Value(current); |
465 | } |
466 | |
467 | //======================================================================= |
468 | //function : Shape |
469 | //purpose : |
470 | //======================================================================= |
471 | |
472 | TopoDS_Shape BRepMAT2d_Explorer::Shape() const |
473 | { |
474 | return myShape; |
475 | } |
476 | |
477 | |
478 | //======================================================================= |
479 | //function : Contour |
480 | //purpose : |
481 | //======================================================================= |
482 | |
483 | const TColGeom2d_SequenceOfCurve& BRepMAT2d_Explorer::Contour |
484 | (const Standard_Integer IC) |
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485 | const |
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486 | { |
487 | return theCurves.Value(IC); |
488 | } |
489 | |
490 | |
491 | // Modified by Sergey KHROMOV - Wed Mar 6 17:40:07 2002 Begin |
492 | //======================================================================= |
493 | //function : IsModified |
494 | //purpose : |
495 | //======================================================================= |
496 | |
497 | Standard_Boolean BRepMAT2d_Explorer::IsModified |
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498 | (const TopoDS_Shape &aShape) const |
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499 | { |
500 | if (myModifShapes.Contains(aShape)) { |
501 | const TopoDS_Shape &aNewShape = myModifShapes.FindFromKey(aShape); |
502 | const Standard_Boolean isSame = aNewShape.IsSame(aShape); |
503 | |
504 | return !isSame; |
505 | } |
506 | |
507 | return Standard_False; |
508 | } |
509 | |
510 | //======================================================================= |
511 | //function : ModifiedShape |
512 | //purpose : |
513 | //======================================================================= |
514 | |
515 | TopoDS_Shape BRepMAT2d_Explorer::ModifiedShape |
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516 | (const TopoDS_Shape &aShape) const |
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517 | { |
518 | if (myModifShapes.Contains(aShape)) { |
519 | const TopoDS_Shape &aNewShape = myModifShapes.FindFromKey(aShape); |
520 | |
521 | return aNewShape; |
522 | } |
523 | |
524 | return aShape; |
525 | } |
526 | |
527 | //======================================================================= |
528 | //function : GetIsClosed |
529 | //purpose : |
530 | //======================================================================= |
531 | |
532 | const TColStd_SequenceOfBoolean &BRepMAT2d_Explorer::GetIsClosed() const |
533 | { |
534 | return myIsClosed; |
535 | } |
536 | |
537 | //======================================================================= |
538 | //function : MakeEdge |
539 | //purpose : Creation of an edge by 2d curve, face and two vertices. |
540 | //======================================================================= |
541 | |
542 | TopoDS_Edge MakeEdge(const Handle(Geom2d_Curve) &theCurve, |
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543 | const TopoDS_Face &theFace, |
544 | const TopoDS_Vertex &theVFirst, |
545 | const TopoDS_Vertex &theVLast) |
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546 | { |
547 | TopoDS_Edge aNewEdge; |
548 | BRep_Builder aBuilder; |
549 | Standard_Real aTol = Precision::Confusion(); |
550 | Standard_Real aFPar = theCurve->FirstParameter(); |
551 | Standard_Real aLPar = theCurve->LastParameter(); |
552 | |
553 | aBuilder.MakeEdge(aNewEdge); |
554 | aBuilder.UpdateEdge(aNewEdge, theCurve, theFace, aTol); |
555 | aBuilder.Add(aNewEdge, theVFirst.Oriented(TopAbs_FORWARD)); |
556 | aBuilder.Add(aNewEdge, theVLast.Oriented(TopAbs_REVERSED)); |
557 | aBuilder.Range(aNewEdge, aFPar, aLPar); |
558 | |
559 | return aNewEdge; |
560 | } |
561 | // Modified by Sergey KHROMOV - Wed Mar 6 17:40:14 2002 End |
873c119f |
562 | // |
563 | //======================================================================= |
564 | //function : GetCurveType |
565 | //purpose : Get curve type. |
566 | //======================================================================= |
567 | |
568 | GeomAbs_CurveType GetCurveType(const Handle(Geom2d_Curve)& theC2d) |
569 | { |
570 | GeomAbs_CurveType aTypeCurve = GeomAbs_OtherCurve; |
571 | Handle(Standard_Type) TheType = theC2d->DynamicType(); |
572 | if ( TheType == STANDARD_TYPE(Geom2d_TrimmedCurve)) { |
573 | TheType = (*((Handle(Geom2d_TrimmedCurve)*)&theC2d))->BasisCurve()->DynamicType(); |
574 | } |
575 | |
576 | if ( TheType == STANDARD_TYPE(Geom2d_Circle)) { |
577 | aTypeCurve = GeomAbs_Circle; |
578 | } |
579 | else if ( TheType ==STANDARD_TYPE(Geom2d_Line)) { |
580 | aTypeCurve = GeomAbs_Line; |
581 | } |
582 | else if ( TheType == STANDARD_TYPE(Geom2d_Ellipse)) { |
583 | aTypeCurve = GeomAbs_Ellipse; |
584 | } |
585 | else if ( TheType == STANDARD_TYPE(Geom2d_Parabola)) { |
586 | aTypeCurve = GeomAbs_Parabola; |
587 | } |
588 | else if ( TheType == STANDARD_TYPE(Geom2d_Hyperbola)) { |
589 | aTypeCurve = GeomAbs_Hyperbola; |
590 | } |
591 | else if ( TheType == STANDARD_TYPE(Geom2d_BezierCurve)) { |
592 | aTypeCurve = GeomAbs_BezierCurve; |
593 | } |
594 | else if ( TheType == STANDARD_TYPE(Geom2d_BSplineCurve)) { |
595 | aTypeCurve = GeomAbs_BSplineCurve; |
596 | } |
597 | else { |
598 | aTypeCurve = GeomAbs_OtherCurve; |
599 | } |
600 | return aTypeCurve; |
601 | } |
602 | //======================================================================= |
603 | //function : AdjustCurveEnd |
604 | //purpose : |
605 | //======================================================================= |
606 | void AdjustCurveEnd(Handle(Geom2d_BoundedCurve)& theC2d, const gp_Pnt2d theP, |
607 | const Standard_Boolean isFirst) |
608 | { |
609 | GeomAbs_CurveType aType = GetCurveType(theC2d); |
610 | if(aType == GeomAbs_Line) |
611 | { |
612 | //create new line |
613 | if(isFirst) |
614 | { |
615 | gp_Pnt2d aP = theC2d->Value(theC2d->LastParameter()); |
616 | theC2d = GCE2d_MakeSegment(theP, aP); |
617 | } |
618 | else |
619 | { |
620 | gp_Pnt2d aP = theC2d->Value(theC2d->FirstParameter()); |
621 | theC2d = GCE2d_MakeSegment(aP, theP); |
622 | } |
623 | } |
624 | else |
625 | { |
626 | //Convert to BSpline and adjust first pole |
627 | Handle(Geom2d_BSplineCurve) BCurve = |
628 | Geom2dConvert::CurveToBSplineCurve(theC2d, Convert_QuasiAngular); |
629 | if(isFirst) |
630 | { |
631 | BCurve->SetPole(1, theP); |
632 | theC2d = new Geom2d_TrimmedCurve(BCurve, BCurve->FirstParameter(), |
633 | BCurve->LastParameter()); |
634 | } |
635 | else |
636 | { |
637 | BCurve->SetPole(BCurve->NbPoles(), theP); |
638 | theC2d = new Geom2d_TrimmedCurve(BCurve, BCurve->FirstParameter(), |
639 | BCurve->LastParameter()); |
640 | } |
641 | } |
642 | |
643 | } |