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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 | |
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17 | |
18 | #include <BRep_Builder.hxx> |
19 | #include <BRep_Tool.hxx> |
20 | #include <BRepBuilderAPI_MakeFace.hxx> |
21 | #include <BRepLib.hxx> |
22 | #include <BRepMAT2d_Explorer.hxx> |
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23 | #include <BRepTools_WireExplorer.hxx> |
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24 | #include <GCE2d_MakeArcOfCircle.hxx> |
25 | #include <GCE2d_MakeSegment.hxx> |
26 | #include <Geom2d_BezierCurve.hxx> |
27 | #include <Geom2d_BoundedCurve.hxx> |
28 | #include <Geom2d_BSplineCurve.hxx> |
29 | #include <Geom2d_Circle.hxx> |
30 | #include <Geom2d_Curve.hxx> |
31 | #include <Geom2d_Ellipse.hxx> |
32 | #include <Geom2d_Hyperbola.hxx> |
33 | #include <Geom2d_Line.hxx> |
34 | #include <Geom2d_Parabola.hxx> |
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35 | #include <Geom2d_TrimmedCurve.hxx> |
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36 | #include <Geom2dConvert.hxx> |
37 | #include <Geom_Curve.hxx> |
38 | #include <Geom_TrimmedCurve.hxx> |
39 | #include <GeomAbs_CurveType.hxx> |
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40 | #include <GeomAPI.hxx> |
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41 | #include <gp.hxx> |
42 | #include <gp_Pln.hxx> |
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43 | #include <MAT2d_SequenceOfSequenceOfCurve.hxx> |
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44 | #include <Precision.hxx> |
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45 | #include <TColGeom2d_SequenceOfCurve.hxx> |
46 | #include <TopAbs.hxx> |
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47 | #include <TopExp.hxx> |
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48 | #include <TopExp_Explorer.hxx> |
49 | #include <TopLoc_Location.hxx> |
50 | #include <TopoDS.hxx> |
51 | #include <TopoDS_Face.hxx> |
52 | #include <TopoDS_Shape.hxx> |
53 | #include <TopoDS_Wire.hxx> |
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54 | #include <TopTools_IndexedDataMapOfShapeShape.hxx> |
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55 | |
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56 | // |
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57 | // Modified by Sergey KHROMOV - Thu Dec 5 10:38:14 2002 Begin |
58 | static TopoDS_Edge MakeEdge(const Handle(Geom2d_Curve) &theCurve, |
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59 | const TopoDS_Face &theFace, |
60 | const TopoDS_Vertex &theVFirst, |
61 | const TopoDS_Vertex &theVLast); |
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62 | // Modified by Sergey KHROMOV - Thu Dec 5 10:38:16 2002 End |
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63 | // |
64 | static GeomAbs_CurveType GetCurveType(const Handle(Geom2d_Curve)& theC2d); |
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65 | static Handle(Geom2d_TrimmedCurve) AdjustCurveEnd (const Handle(Geom2d_BoundedCurve)& theC2d, |
66 | const gp_Pnt2d theP, const Standard_Boolean isFirst); |
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67 | // |
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68 | //======================================================================= |
69 | //function : BRepMAT2d_Explorer |
70 | //purpose : |
71 | //======================================================================= |
72 | |
73 | BRepMAT2d_Explorer::BRepMAT2d_Explorer() |
74 | { |
75 | Clear(); |
76 | } |
77 | |
78 | //======================================================================= |
79 | //function : BRepMAT2d_Explorer |
80 | //purpose : |
81 | //======================================================================= |
82 | |
83 | BRepMAT2d_Explorer::BRepMAT2d_Explorer(const TopoDS_Face& aFace) |
84 | { |
85 | Perform (aFace); |
86 | } |
87 | |
88 | //======================================================================= |
89 | //function : Perform |
90 | //purpose : |
91 | //======================================================================= |
92 | |
93 | void BRepMAT2d_Explorer::Perform(const TopoDS_Face& aFace) |
94 | { |
95 | Clear(); |
96 | myShape = aFace; |
97 | TopoDS_Face F = TopoDS::Face(aFace); |
98 | F.Orientation(TopAbs_FORWARD); |
99 | TopExp_Explorer Exp (F,TopAbs_WIRE); |
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100 | // Modified by Sergey KHROMOV - Tue Nov 26 16:10:37 2002 Begin |
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101 | Handle(Geom_Surface) aSurf = BRep_Tool::Surface(F); |
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102 | TopoDS_Face aNewF = BRepBuilderAPI_MakeFace(aSurf, Precision::Confusion()); |
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103 | |
104 | while (Exp.More()) { |
105 | Add (TopoDS::Wire (Exp.Current()),F, aNewF); |
106 | Exp.Next(); |
107 | } |
108 | |
109 | BRepLib::BuildCurves3d(aNewF); |
110 | |
111 | myModifShapes.Add(aFace, aNewF); |
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112 | // CheckConnection(); |
113 | // Modified by Sergey KHROMOV - Tue Nov 26 16:10:38 2002 End |
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114 | } |
115 | |
116 | //======================================================================= |
117 | //function : Add |
118 | //purpose : |
119 | //======================================================================= |
120 | |
121 | void BRepMAT2d_Explorer::Add(const TopoDS_Wire& Spine, |
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122 | const TopoDS_Face& aFace, |
123 | TopoDS_Face& aNewFace) |
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124 | { |
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125 | // Modified by Sergey KHROMOV - Tue Nov 26 14:25:46 2002 Begin |
126 | // This method is totally rewroted to include check |
127 | // of connection and creation of a new spine. |
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128 | NewContour(); |
129 | myIsClosed(currentContour) = (Spine.Closed()) ? Standard_True : Standard_False; |
130 | |
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131 | // Modified by skv - Wed Jun 23 12:23:01 2004 Integration Begin |
132 | // Taking into account side of bisecting loci construction. |
133 | // TopoDS_Wire aWFwd = TopoDS::Wire(Spine.Oriented(TopAbs_FORWARD)); |
134 | // BRepTools_WireExplorer anExp(aWFwd, aFace); |
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135 | BRepTools_WireExplorer anExp(Spine, aFace); |
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136 | // Modified by skv - Wed Jun 23 12:23:02 2004 Integration End |
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137 | TopTools_IndexedDataMapOfShapeShape anOldNewE; |
138 | |
139 | if (!anExp.More()) |
140 | return; |
141 | |
142 | TopoDS_Edge aFirstEdge = anExp.Current(); |
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143 | TopoDS_Edge aPrevEdge = aFirstEdge; |
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144 | Standard_Real UFirst,ULast, aD; |
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145 | Handle(Geom2d_Curve) C2d; |
146 | Handle(Geom2d_TrimmedCurve) CT2d; |
147 | Handle(Geom2d_TrimmedCurve) aFirstCurve; |
148 | gp_Pnt2d aPFirst; |
149 | gp_Pnt2d aPLast; |
150 | gp_Pnt2d aPCurFirst; |
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151 | // Modified by skv - Mon Jul 11 19:00:25 2005 Integration Begin |
152 | // Set the confusion tolerance in accordance with the further algo |
153 | // Standard_Real aTolConf = Precision::Confusion(); |
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154 | Standard_Real aTolConf = 1.e-8; |
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155 | // Modified by skv - Mon Jul 11 19:00:25 2005 Integration End |
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156 | Standard_Boolean isModif = Standard_False; |
157 | |
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158 | // Treatment of the first edge of a wire. |
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159 | anOldNewE.Add(aFirstEdge, aFirstEdge); |
160 | C2d = BRep_Tool::CurveOnSurface (aFirstEdge, aFace, UFirst, ULast); |
161 | CT2d = new Geom2d_TrimmedCurve(C2d,UFirst,ULast); |
162 | |
163 | if (aFirstEdge.Orientation() == TopAbs_REVERSED) |
164 | CT2d->Reverse(); |
165 | |
166 | aPFirst = CT2d->Value(CT2d->FirstParameter()); |
167 | aPLast = CT2d->Value(CT2d->LastParameter()); |
168 | |
169 | Add(CT2d); |
170 | aFirstCurve = CT2d; |
171 | anExp.Next(); |
172 | |
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173 | // Treatment of the next edges: |
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174 | for (; anExp.More(); anExp.Next()) { |
175 | TopoDS_Edge anEdge = anExp.Current(); |
176 | |
177 | anOldNewE.Add(anEdge, anEdge); |
178 | C2d = BRep_Tool::CurveOnSurface (anEdge, aFace, UFirst, ULast); |
179 | CT2d = new Geom2d_TrimmedCurve(C2d,UFirst,ULast); |
180 | |
181 | if (anEdge.Orientation() == TopAbs_REVERSED) |
182 | CT2d->Reverse(); |
183 | |
184 | aPCurFirst = CT2d->Value(CT2d->FirstParameter()); |
185 | // |
186 | aD=aPLast.Distance(aPCurFirst); |
187 | if (aD > aTolConf) { |
188 | // There are two ways how to fill holes: |
189 | // First, to create a line between these two points. |
190 | // Second, create a BSpline curve and to add the last point of the previous |
191 | // curve as the first pole of the current one. Second method which |
192 | // is worse was performed before and leaved here. Otherwise too much |
193 | // code should be rewritten. |
194 | isModif = Standard_True; |
195 | // |
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196 | Standard_Integer aNbC = theCurves.Value(currentContour).Length(); |
197 | Handle(Geom2d_BoundedCurve) CPrev = |
198 | Handle(Geom2d_BoundedCurve)::DownCast(theCurves.ChangeValue(currentContour).ChangeValue(aNbC)); |
199 | // |
200 | GeomAbs_CurveType TCPrev = GetCurveType(CPrev); |
201 | GeomAbs_CurveType TCCurr = GetCurveType(CT2d); |
202 | // |
203 | if(TCCurr <= TCPrev) |
204 | { |
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205 | CT2d = AdjustCurveEnd (CT2d, aPLast, Standard_True); |
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206 | // Creation of new edge. |
207 | TopoDS_Edge aNewEdge; |
208 | TopoDS_Vertex aVf = TopExp::FirstVertex(anEdge); |
209 | TopoDS_Vertex aVl = TopExp::LastVertex(anEdge); |
210 | |
211 | if (anEdge.Orientation() == TopAbs_FORWARD) |
212 | aNewEdge = MakeEdge(CT2d, aNewFace, aVf, aVl); |
213 | else |
214 | aNewEdge = MakeEdge(CT2d->Reversed(), aNewFace, aVf, aVl); |
215 | |
216 | aNewEdge.Orientation(anEdge.Orientation()); |
217 | |
218 | anOldNewE.ChangeFromKey(anEdge) = aNewEdge; |
219 | } |
220 | else |
221 | { |
222 | gp_Pnt2d aP = CT2d->Value(CT2d->FirstParameter()); |
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223 | CPrev = AdjustCurveEnd(CPrev, aP, Standard_False); |
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224 | theCurves.ChangeValue(currentContour).ChangeValue(aNbC) = CPrev; |
225 | //Change previous edge |
226 | TopoDS_Edge aNewEdge; |
227 | TopoDS_Vertex aVf = TopExp::FirstVertex(aPrevEdge); |
228 | TopoDS_Vertex aVl = TopExp::LastVertex(aPrevEdge); |
229 | |
230 | if (aPrevEdge.Orientation() == TopAbs_FORWARD) |
231 | aNewEdge = MakeEdge(CPrev, aNewFace, aVf, aVl); |
232 | else |
233 | aNewEdge = MakeEdge(CPrev->Reversed(), aNewFace, aVf, aVl); |
234 | |
235 | aNewEdge.Orientation(aPrevEdge.Orientation()); |
236 | |
237 | anOldNewE.ChangeFromKey(aPrevEdge) = aNewEdge; |
238 | |
239 | } |
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240 | |
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241 | } |
242 | |
243 | aPLast = CT2d->Value(CT2d->LastParameter()); |
244 | Add(CT2d); |
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245 | aPrevEdge = anEdge; |
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246 | } |
247 | |
248 | // Check of the distance between the first and the last point of wire |
249 | // if the wire is closed. |
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250 | if (myIsClosed(currentContour) && aPLast.Distance(aPFirst) > aTolConf) { |
251 | isModif = Standard_True; |
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252 | |
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253 | // |
254 | Standard_Integer aNbC = theCurves.Value(currentContour).Length(); |
255 | Handle(Geom2d_BoundedCurve) CPrev = |
256 | Handle(Geom2d_BoundedCurve)::DownCast(theCurves.ChangeValue(currentContour).ChangeValue(aNbC)); |
257 | // |
258 | GeomAbs_CurveType TCPrev = GetCurveType(CPrev); |
259 | GeomAbs_CurveType TCCurr = GetCurveType(aFirstCurve); |
260 | // |
261 | if(TCCurr <= TCPrev) |
262 | { |
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263 | aFirstCurve = AdjustCurveEnd(aFirstCurve, aPLast, Standard_True); |
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264 | theCurves.ChangeValue(currentContour).ChangeValue(1) = aFirstCurve; |
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265 | // Creation of new edge. |
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266 | TopoDS_Edge aNewEdge; |
267 | TopoDS_Vertex aVf = TopExp::FirstVertex(aFirstEdge); |
268 | TopoDS_Vertex aVl = TopExp::LastVertex(aFirstEdge); |
269 | |
270 | if (aFirstEdge.Orientation() == TopAbs_FORWARD) |
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271 | aNewEdge = MakeEdge(aFirstCurve, aNewFace, aVf, aVl); |
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272 | else |
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273 | aNewEdge = MakeEdge(aFirstCurve->Reversed(), aNewFace, aVf, aVl); |
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274 | |
275 | aNewEdge.Orientation(aFirstEdge.Orientation()); |
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276 | |
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277 | anOldNewE.ChangeFromKey(aFirstEdge) = aNewEdge; |
278 | } |
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279 | else |
280 | { |
281 | gp_Pnt2d aP = aFirstCurve->Value(aFirstCurve->FirstParameter()); |
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282 | CPrev = AdjustCurveEnd(CPrev, aP, Standard_False); |
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283 | theCurves.ChangeValue(currentContour).ChangeValue(aNbC) = CPrev; |
284 | //Change previous edge |
285 | TopoDS_Edge aNewEdge; |
286 | TopoDS_Vertex aVf = TopExp::FirstVertex(aPrevEdge); |
287 | TopoDS_Vertex aVl = TopExp::LastVertex(aPrevEdge); |
288 | |
289 | if (aPrevEdge.Orientation() == TopAbs_FORWARD) |
290 | aNewEdge = MakeEdge(CPrev, aNewFace, aVf, aVl); |
291 | else |
292 | aNewEdge = MakeEdge(CPrev->Reversed(), aNewFace, aVf, aVl); |
293 | |
294 | aNewEdge.Orientation(aPrevEdge.Orientation()); |
295 | |
296 | anOldNewE.ChangeFromKey(aPrevEdge) = aNewEdge; |
297 | |
298 | } |
299 | |
300 | } |
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301 | |
302 | TopoDS_Wire aNewWire; |
303 | BRep_Builder aBuilder; |
304 | |
305 | if (isModif) { |
306 | Standard_Integer i; |
307 | Standard_Integer aNbEdges = anOldNewE.Extent(); |
308 | |
309 | aBuilder.MakeWire(aNewWire); |
310 | |
311 | for (i = 1; i <= aNbEdges; i++) { |
312 | const TopoDS_Shape &aKey = anOldNewE.FindKey(i); |
313 | const TopoDS_Shape &aNewEdge = anOldNewE.FindFromIndex(i); |
314 | |
315 | aBuilder.Add(aNewWire, aNewEdge); |
316 | myModifShapes.Add(aKey, aNewEdge); |
317 | } |
318 | |
319 | if (myIsClosed(currentContour)) |
320 | aNewWire.Closed(Standard_True); |
321 | |
322 | // Modified by skv - Fri Nov 12 17:22:12 2004 Integration Begin |
323 | // The orientation of wire is already taken into account. |
324 | // aNewWire.Orientation(Spine.Orientation()); |
325 | // Modified by skv - Fri Nov 12 17:22:12 2004 Integration End |
326 | myModifShapes.Add(Spine, aNewWire); |
327 | } else |
328 | aNewWire = Spine; |
329 | |
330 | aBuilder.Add(aNewFace, aNewWire); |
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331 | // Modified by Sergey KHROMOV - Tue Nov 26 14:25:53 2002 End |
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332 | } |
333 | |
334 | //======================================================================= |
335 | //function : CheckConnection |
336 | //purpose : |
337 | //======================================================================= |
338 | |
339 | // Modified by Sergey KHROMOV - Tue Nov 26 17:21:44 2002 Begin |
340 | // void BRepMAT2d_Explorer::CheckConnection() |
341 | // { |
342 | // for (Standard_Integer i = 1; i <= theCurves.Length(); i++) |
343 | // for (Standard_Integer j = 2; j <= theCurves(i).Length(); j++) |
344 | // { |
345 | // gp_Pnt2d P1 = theCurves(i)(j-1)->Value( theCurves(i)(j-1)->LastParameter() ); |
346 | // gp_Pnt2d P2 = theCurves(i)(j)->Value( theCurves(i)(j)->FirstParameter() ); |
347 | // if (P1.Distance( P2 ) > Precision::Confusion()) |
348 | // { |
349 | // Handle( Geom2d_BSplineCurve ) BCurve; |
350 | // if (theCurves(i)(j)->DynamicType() != STANDARD_TYPE(Geom2d_BSplineCurve)) |
351 | // BCurve = Geom2dConvert::CurveToBSplineCurve( theCurves(i)(j) ); |
352 | // else |
353 | // BCurve = Handle( Geom2d_BSplineCurve )::DownCast( theCurves(i)(j) ); |
354 | // BCurve->SetPole( 1, P1 ); |
355 | // theCurves(i)(j) = new Geom2d_TrimmedCurve( BCurve, BCurve->FirstParameter(), BCurve->LastParameter() ); |
356 | // } |
357 | // } |
358 | // } |
359 | // Modified by Sergey KHROMOV - Tue Nov 26 17:21:29 2002 End |
360 | |
361 | //======================================================================= |
362 | //function : Clear |
363 | //purpose : |
364 | //======================================================================= |
365 | |
366 | void BRepMAT2d_Explorer::Clear() |
367 | { |
368 | theCurves.Clear() ; |
369 | currentContour = 0; |
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370 | // Modified by Sergey KHROMOV - Wed Mar 6 16:07:55 2002 Begin |
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371 | myIsClosed.Clear(); |
372 | myModifShapes.Clear(); |
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373 | // Modified by Sergey KHROMOV - Wed Mar 6 16:07:55 2002 End |
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374 | } |
375 | |
376 | |
377 | //======================================================================= |
378 | //function : NewContour |
379 | //purpose : |
380 | //======================================================================= |
381 | |
382 | void BRepMAT2d_Explorer::NewContour() |
383 | { |
384 | TColGeom2d_SequenceOfCurve Contour; |
385 | theCurves.Append(Contour); |
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386 | // Modified by Sergey KHROMOV - Wed Mar 6 16:12:05 2002 Begin |
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387 | myIsClosed.Append(Standard_False); |
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388 | // Modified by Sergey KHROMOV - Wed Mar 6 16:12:05 2002 End |
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389 | currentContour ++ ; |
390 | } |
391 | |
392 | |
393 | //======================================================================= |
394 | //function : Add |
395 | //purpose : |
396 | //======================================================================= |
397 | |
398 | void BRepMAT2d_Explorer::Add(const Handle(Geom2d_Curve)& aCurve) |
399 | { |
400 | theCurves.ChangeValue(currentContour).Append(aCurve); |
401 | } |
402 | |
403 | //======================================================================= |
404 | //function : NumberOfContours |
405 | //purpose : |
406 | //======================================================================= |
407 | |
408 | Standard_Integer BRepMAT2d_Explorer::NumberOfContours() const |
409 | { |
410 | return theCurves.Length() ; |
411 | } |
412 | |
413 | |
414 | //======================================================================= |
415 | //function : NumberOfCurves |
416 | //purpose : |
417 | //======================================================================= |
418 | |
419 | Standard_Integer BRepMAT2d_Explorer::NumberOfCurves |
420 | (const Standard_Integer IndexContour) |
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421 | const |
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422 | { |
423 | return theCurves.Value(IndexContour).Length(); |
424 | } |
425 | |
426 | |
427 | //======================================================================= |
428 | //function : Init |
429 | //purpose : |
430 | //======================================================================= |
431 | |
432 | void BRepMAT2d_Explorer::Init(const Standard_Integer IndexContour) |
433 | { |
434 | currentContour = IndexContour; |
435 | current = 1; |
436 | } |
437 | |
438 | |
439 | //======================================================================= |
440 | //function : More |
441 | //purpose : |
442 | //======================================================================= |
443 | |
444 | Standard_Boolean BRepMAT2d_Explorer::More() const |
445 | { |
446 | return (current <= NumberOfCurves(currentContour)); |
447 | } |
448 | |
449 | |
450 | //======================================================================= |
451 | //function : Next |
452 | //purpose : |
453 | //======================================================================= |
454 | |
455 | void BRepMAT2d_Explorer::Next() |
456 | { |
457 | current++; |
458 | } |
459 | |
460 | |
461 | //======================================================================= |
462 | //function : Value |
463 | //purpose : |
464 | //======================================================================= |
465 | |
466 | Handle(Geom2d_Curve) BRepMAT2d_Explorer::Value() const |
467 | { |
468 | return theCurves.Value(currentContour).Value(current); |
469 | } |
470 | |
471 | //======================================================================= |
472 | //function : Shape |
473 | //purpose : |
474 | //======================================================================= |
475 | |
476 | TopoDS_Shape BRepMAT2d_Explorer::Shape() const |
477 | { |
478 | return myShape; |
479 | } |
480 | |
481 | |
482 | //======================================================================= |
483 | //function : Contour |
484 | //purpose : |
485 | //======================================================================= |
486 | |
487 | const TColGeom2d_SequenceOfCurve& BRepMAT2d_Explorer::Contour |
488 | (const Standard_Integer IC) |
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489 | const |
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490 | { |
491 | return theCurves.Value(IC); |
492 | } |
493 | |
494 | |
495 | // Modified by Sergey KHROMOV - Wed Mar 6 17:40:07 2002 Begin |
496 | //======================================================================= |
497 | //function : IsModified |
498 | //purpose : |
499 | //======================================================================= |
500 | |
501 | Standard_Boolean BRepMAT2d_Explorer::IsModified |
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502 | (const TopoDS_Shape &aShape) const |
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503 | { |
504 | if (myModifShapes.Contains(aShape)) { |
505 | const TopoDS_Shape &aNewShape = myModifShapes.FindFromKey(aShape); |
506 | const Standard_Boolean isSame = aNewShape.IsSame(aShape); |
507 | |
508 | return !isSame; |
509 | } |
510 | |
511 | return Standard_False; |
512 | } |
513 | |
514 | //======================================================================= |
515 | //function : ModifiedShape |
516 | //purpose : |
517 | //======================================================================= |
518 | |
519 | TopoDS_Shape BRepMAT2d_Explorer::ModifiedShape |
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520 | (const TopoDS_Shape &aShape) const |
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521 | { |
522 | if (myModifShapes.Contains(aShape)) { |
523 | const TopoDS_Shape &aNewShape = myModifShapes.FindFromKey(aShape); |
524 | |
525 | return aNewShape; |
526 | } |
527 | |
528 | return aShape; |
529 | } |
530 | |
531 | //======================================================================= |
532 | //function : GetIsClosed |
533 | //purpose : |
534 | //======================================================================= |
535 | |
536 | const TColStd_SequenceOfBoolean &BRepMAT2d_Explorer::GetIsClosed() const |
537 | { |
538 | return myIsClosed; |
539 | } |
540 | |
541 | //======================================================================= |
542 | //function : MakeEdge |
543 | //purpose : Creation of an edge by 2d curve, face and two vertices. |
544 | //======================================================================= |
545 | |
546 | TopoDS_Edge MakeEdge(const Handle(Geom2d_Curve) &theCurve, |
873c119f |
547 | const TopoDS_Face &theFace, |
548 | const TopoDS_Vertex &theVFirst, |
549 | const TopoDS_Vertex &theVLast) |
7fd59977 |
550 | { |
551 | TopoDS_Edge aNewEdge; |
552 | BRep_Builder aBuilder; |
553 | Standard_Real aTol = Precision::Confusion(); |
554 | Standard_Real aFPar = theCurve->FirstParameter(); |
555 | Standard_Real aLPar = theCurve->LastParameter(); |
556 | |
557 | aBuilder.MakeEdge(aNewEdge); |
558 | aBuilder.UpdateEdge(aNewEdge, theCurve, theFace, aTol); |
559 | aBuilder.Add(aNewEdge, theVFirst.Oriented(TopAbs_FORWARD)); |
560 | aBuilder.Add(aNewEdge, theVLast.Oriented(TopAbs_REVERSED)); |
561 | aBuilder.Range(aNewEdge, aFPar, aLPar); |
562 | |
563 | return aNewEdge; |
564 | } |
565 | // Modified by Sergey KHROMOV - Wed Mar 6 17:40:14 2002 End |
873c119f |
566 | // |
567 | //======================================================================= |
568 | //function : GetCurveType |
569 | //purpose : Get curve type. |
570 | //======================================================================= |
571 | |
572 | GeomAbs_CurveType GetCurveType(const Handle(Geom2d_Curve)& theC2d) |
573 | { |
574 | GeomAbs_CurveType aTypeCurve = GeomAbs_OtherCurve; |
575 | Handle(Standard_Type) TheType = theC2d->DynamicType(); |
576 | if ( TheType == STANDARD_TYPE(Geom2d_TrimmedCurve)) { |
c5f3a425 |
577 | TheType = Handle(Geom2d_TrimmedCurve)::DownCast (theC2d)->BasisCurve()->DynamicType(); |
873c119f |
578 | } |
579 | |
580 | if ( TheType == STANDARD_TYPE(Geom2d_Circle)) { |
581 | aTypeCurve = GeomAbs_Circle; |
582 | } |
583 | else if ( TheType ==STANDARD_TYPE(Geom2d_Line)) { |
584 | aTypeCurve = GeomAbs_Line; |
585 | } |
586 | else if ( TheType == STANDARD_TYPE(Geom2d_Ellipse)) { |
587 | aTypeCurve = GeomAbs_Ellipse; |
588 | } |
589 | else if ( TheType == STANDARD_TYPE(Geom2d_Parabola)) { |
590 | aTypeCurve = GeomAbs_Parabola; |
591 | } |
592 | else if ( TheType == STANDARD_TYPE(Geom2d_Hyperbola)) { |
593 | aTypeCurve = GeomAbs_Hyperbola; |
594 | } |
595 | else if ( TheType == STANDARD_TYPE(Geom2d_BezierCurve)) { |
596 | aTypeCurve = GeomAbs_BezierCurve; |
597 | } |
598 | else if ( TheType == STANDARD_TYPE(Geom2d_BSplineCurve)) { |
599 | aTypeCurve = GeomAbs_BSplineCurve; |
600 | } |
601 | else { |
602 | aTypeCurve = GeomAbs_OtherCurve; |
603 | } |
604 | return aTypeCurve; |
605 | } |
606 | //======================================================================= |
607 | //function : AdjustCurveEnd |
608 | //purpose : |
609 | //======================================================================= |
7f22979e |
610 | Handle(Geom2d_TrimmedCurve) AdjustCurveEnd (const Handle(Geom2d_BoundedCurve)& theC2d, |
611 | const gp_Pnt2d theP, const Standard_Boolean isFirst) |
873c119f |
612 | { |
613 | GeomAbs_CurveType aType = GetCurveType(theC2d); |
614 | if(aType == GeomAbs_Line) |
615 | { |
616 | //create new line |
617 | if(isFirst) |
618 | { |
619 | gp_Pnt2d aP = theC2d->Value(theC2d->LastParameter()); |
7f22979e |
620 | return GCE2d_MakeSegment(theP, aP); |
873c119f |
621 | } |
622 | else |
623 | { |
624 | gp_Pnt2d aP = theC2d->Value(theC2d->FirstParameter()); |
7f22979e |
625 | return GCE2d_MakeSegment(aP, theP); |
873c119f |
626 | } |
627 | } |
628 | else |
629 | { |
630 | //Convert to BSpline and adjust first pole |
631 | Handle(Geom2d_BSplineCurve) BCurve = |
632 | Geom2dConvert::CurveToBSplineCurve(theC2d, Convert_QuasiAngular); |
633 | if(isFirst) |
634 | { |
635 | BCurve->SetPole(1, theP); |
7f22979e |
636 | return new Geom2d_TrimmedCurve(BCurve, BCurve->FirstParameter(), |
873c119f |
637 | BCurve->LastParameter()); |
638 | } |
639 | else |
640 | { |
641 | BCurve->SetPole(BCurve->NbPoles(), theP); |
7f22979e |
642 | return new Geom2d_TrimmedCurve(BCurve, BCurve->FirstParameter(), |
873c119f |
643 | BCurve->LastParameter()); |
644 | } |
645 | } |
646 | |
647 | } |