1 // Created by: Peter KURNEV
2 // Copyright (c) 2010-2014 OPEN CASCADE SAS
3 // Copyright (c) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
4 // Copyright (c) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT,
5 // EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 // This file is part of Open CASCADE Technology software library.
9 // This library is free software; you can redistribute it and/or modify it under
10 // the terms of the GNU Lesser General Public License version 2.1 as published
11 // by the Free Software Foundation, with special exception defined in the file
12 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
13 // distribution for complete text of the license and disclaimer of any warranty.
15 // Alternatively, this file may be used under the terms of Open CASCADE
16 // commercial license or contractual agreement.
19 #include <BOPAlgo_PaveFiller.hxx>
20 #include <BOPAlgo_SectionAttribute.hxx>
21 #include <BOPCol_ListOfInteger.hxx>
22 #include <BOPDS_Curve.hxx>
23 #include <BOPDS_DS.hxx>
24 #include <BOPDS_FaceInfo.hxx>
25 #include <BOPDS_MapOfPaveBlock.hxx>
26 #include <BOPDS_Pave.hxx>
27 #include <BOPDS_PaveBlock.hxx>
28 #include <BOPDS_ShapeInfo.hxx>
29 #include <BRep_Builder.hxx>
30 #include <BRep_Tool.hxx>
32 #include <Geom2d_Curve.hxx>
33 #include <Geom2d_Line.hxx>
34 #include <Geom2d_TrimmedCurve.hxx>
35 #include <Geom2dAdaptor_Curve.hxx>
36 #include <Geom2dInt_GInter.hxx>
37 #include <gp_Lin2d.hxx>
39 #include <gp_Pnt2d.hxx>
40 #include <IntRes2d_IntersectionPoint.hxx>
41 #include <IntTools_Context.hxx>
42 #include <NCollection_IncAllocator.hxx>
43 #include <Precision.hxx>
44 #include <TopoDS_Edge.hxx>
45 #include <TopoDS_Face.hxx>
46 #include <TopoDS_Vertex.hxx>
49 void MakeSplitEdge1 (const TopoDS_Edge& aE,
50 const TopoDS_Face& aF,
51 const TopoDS_Vertex& aV1,
52 const Standard_Real aP1,
53 const TopoDS_Vertex& aV2,
54 const Standard_Real aP2,
55 TopoDS_Edge& aNewEdge);
57 //=======================================================================
58 //function : ProcessDE
60 //=======================================================================
61 void BOPAlgo_PaveFiller::ProcessDE()
63 Standard_Integer nF, aNb, nE, nV, nVSD, aNbPB;
64 Handle(NCollection_IncAllocator) aAllocator;
65 Handle(BOPDS_PaveBlock) aPBD;
66 BOPCol_ListIteratorOfListOfInteger aItLI;
70 // 1. Find degnerated edges
71 //-----------------------------------------------------scope f
73 aAllocator=new NCollection_IncAllocator();
74 BOPDS_ListOfPaveBlock aLPBOut(aAllocator);
76 aNb=myDS->NbSourceShapes();
77 for (nE=0; nE<aNb; ++nE) {
78 const BOPDS_ShapeInfo& aSIE=myDS->ShapeInfo(nE);
79 if (aSIE.ShapeType()==TopAbs_EDGE) {
80 if (aSIE.HasFlag(nF)) {
81 const BOPDS_ShapeInfo& aSIF=myDS->ShapeInfo(nF);
82 nV=aSIE.SubShapes().First();
83 if (myDS->HasShapeSD(nV, nVSD)) {
88 if (aSIF.ShapeType() == TopAbs_FACE) {
89 // 1. Find PaveBlocks that are go through nV for nF
90 FindPaveBlocks(nV, nF, aLPBOut);
91 aNbPB=aLPBOut.Extent();
97 BOPDS_ListOfPaveBlock& aLPBD=myDS->ChangePaveBlocks(nE);
100 FillPaves(nV, nE, nF, aLPBOut, aPBD);
102 myDS->UpdatePaveBlock(aPBD);
104 MakeSplitEdge(nE, nF);
108 if (aSIF.ShapeType() == TopAbs_EDGE) {
109 Standard_Real aTol=1.e-7;
110 Standard_Integer nEn;
112 const TopoDS_Edge& aDE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
113 const TopoDS_Vertex& aVn = (*(TopoDS_Vertex *)(&myDS->Shape(nV)));
118 BB.Degenerated(aE, Standard_True);
119 BB.UpdateEdge(aE, aTol);
121 aSI.SetShapeType(TopAbs_EDGE);
123 nEn=myDS->Append(aSI);
124 BOPDS_ListOfPaveBlock& aLPBD=myDS->ChangePaveBlocks(nE);
133 //=======================================================================
134 //function : FindPaveBlocks
136 //=======================================================================
137 void BOPAlgo_PaveFiller::FindPaveBlocks(const Standard_Integer nV,
138 const Standard_Integer nF,
139 BOPDS_ListOfPaveBlock& aLPBOut)
141 Standard_Integer nV1, nV2;
142 BOPDS_MapIteratorOfMapOfPaveBlock aItMPB;
144 const BOPDS_FaceInfo& aFI=myDS->ChangeFaceInfo(nF);
146 const BOPDS_IndexedMapOfPaveBlock& aMPBIn=aFI.PaveBlocksIn();
147 aItMPB.Initialize(aMPBIn);
148 for(; aItMPB.More(); aItMPB.Next()) {
149 const Handle(BOPDS_PaveBlock)& aPB=aItMPB.Value();
150 aPB->Indices(nV1, nV2);
151 if (nV==nV1 || nV==nV2) {
156 const BOPDS_IndexedMapOfPaveBlock& aMPBOn=aFI.PaveBlocksOn();
157 aItMPB.Initialize(aMPBOn);
158 for(; aItMPB.More(); aItMPB.Next()) {
159 const Handle(BOPDS_PaveBlock)& aPB=aItMPB.Value();
160 aPB->Indices(nV1, nV2);
161 if (nV==nV1 || nV==nV2) {
166 const BOPDS_IndexedMapOfPaveBlock& aMPBSc=aFI.PaveBlocksSc();
167 aItMPB.Initialize(aMPBSc);
168 for(; aItMPB.More(); aItMPB.Next()) {
169 const Handle(BOPDS_PaveBlock)& aPB=aItMPB.Value();
170 aPB->Indices(nV1, nV2);
171 if (nV==nV1 || nV==nV2) {
177 //=======================================================================
178 //function : MakeSplitEdge
180 //=======================================================================
181 void BOPAlgo_PaveFiller::MakeSplitEdge (const Standard_Integer nDE,
182 const Standard_Integer nDF)
184 Standard_Integer nSp, nV1, nV2, aNbPB;
185 Standard_Real aT1, aT2;
186 TopoDS_Edge aDE, aSp;
187 TopoDS_Vertex aV1, aV2;
188 BOPDS_ListIteratorOfListOfPaveBlock aItLPB;
191 aSI.SetShapeType(TopAbs_EDGE);
193 aDE=(*(TopoDS_Edge *)(&myDS->Shape(nDE)));
194 aDE.Orientation(TopAbs_FORWARD);
196 const TopoDS_Face& aDF=(*(TopoDS_Face *)(&myDS->Shape(nDF)));
198 BOPDS_ListOfPaveBlock& aLPB=myDS->ChangePaveBlocks(nDE);
201 aItLPB.Initialize(aLPB);
202 for (; aItLPB.More(); aItLPB.Next()) {
203 Handle(BOPDS_PaveBlock)& aPB=aItLPB.ChangeValue();
205 const BOPDS_Pave& aPave1=aPB->Pave1();
206 aPave1.Contents(nV1, aT1);
208 const BOPDS_Pave& aPave2=aPB->Pave2();
209 aPave2.Contents(nV2, aT2);
211 if (myDS->IsNewShape(nV1) || aNbPB>1) {
212 aV1=(*(TopoDS_Vertex *)(&myDS->Shape(nV1)));
213 aV1.Orientation(TopAbs_FORWARD);
215 aV2=(*(TopoDS_Vertex *)(&myDS->Shape(nV2)));
216 aV2.Orientation(TopAbs_REVERSED);
218 MakeSplitEdge1(aDE, aDF, aV1, aT1, aV2, aT2, aSp);
221 nSp=myDS->Append(aSI);
232 //=======================================================================
233 //function : FillPaves
235 //=======================================================================
236 void BOPAlgo_PaveFiller::FillPaves(const Standard_Integer nVD,
237 const Standard_Integer nED,
238 const Standard_Integer nFD,
239 const BOPDS_ListOfPaveBlock& aLPBOut,
240 const Handle(BOPDS_PaveBlock)& aPBD)
242 Standard_Boolean bXDir, bIsDone;
243 Standard_Integer nE, aNbPoints, j;
244 Standard_Real aTD1, aTD2, aT1, aT2, aTolInter, aX, aDT;
245 Standard_Real aTolCmp;
246 gp_Pnt2d aP2d1, aP2d2, aP2D;
248 Handle(Geom2d_Line) aCLDE;
249 Handle(Geom2d_Curve) aC2DDE1, aC2D;
250 Handle(Geom2d_TrimmedCurve)aC2DDE;
251 BOPDS_ListIteratorOfListOfPaveBlock aItLPB;
254 aDT=Precision::PConfusion();
258 const TopoDS_Edge& aDE=(*(TopoDS_Edge *)(&myDS->Shape(nED)));
259 const TopoDS_Face& aDF=(*(TopoDS_Face *)(&myDS->Shape(nFD)));
261 aC2DDE1=BRep_Tool::CurveOnSurface(aDE, aDF, aTD1, aTD2);
262 aC2DDE=new Geom2d_TrimmedCurve(aC2DDE1, aTD1, aTD2);
264 Handle(Geom2d_TrimmedCurve) aCLDET1=Handle(Geom2d_TrimmedCurve)::DownCast(aC2DDE1);
265 if (aCLDET1.IsNull()) {
266 aCLDE=Handle(Geom2d_Line)::DownCast(aC2DDE1);
269 Handle(Geom2d_Curve) aBasisCurve=aCLDET1->BasisCurve();
270 aCLDE=Handle(Geom2d_Line)::DownCast(aBasisCurve);
273 // Choose direction for degenerated edge
274 aC2DDE->D0(aTD1, aP2d1);
275 aC2DDE->D0(aTD2, aP2d2);
277 bXDir=Standard_False;
278 if (fabs(aP2d1.Y()-aP2d2.Y()) < aDT){
282 aItLPB.Initialize(aLPBOut);
283 for (; aItLPB.More(); aItLPB.Next()) {
284 const Handle(BOPDS_PaveBlock)& aPB=aItLPB.Value();
286 const TopoDS_Edge& aE=(*(TopoDS_Edge *)(&myDS->Shape(nE)));
287 aC2D=BRep_Tool::CurveOnSurface(aE, aDF, aT1, aT2);
293 Geom2dAdaptor_Curve aGAC1, aGAC2;
294 aGAC1.Load(aC2DDE, aTD1, aTD2);
296 Handle(Geom2d_Line) aL2D= Handle(Geom2d_Line)::DownCast(aC2D);
297 if (!aL2D.IsNull()) {
301 aGAC2.Load(aC2D, aT1, aT2);
305 aTolCmp=1.414213562*aTolInter+aDT;
306 Geom2dInt_GInter aGInter(aGAC1, aGAC2, aTolInter, aTolInter);
307 bIsDone=aGInter.IsDone();
312 aNbPoints=aGInter.NbPoints();
317 for (j=1; j<=aNbPoints; ++j) {
318 aP2D=aGInter.Point(j).Value();
319 aX=aGInter.Point(j).ParamOnFirst();
321 if (fabs (aX-aTD1) < aTolCmp || fabs (aX-aTD2) < aTolCmp) {
324 if (aX < aTD1 || aX > aTD2) {
328 if (aPBD->ContainsParameter(aX, aDT)) {
331 aPave.SetParameter(aX);
332 aPBD->AppendExtPave1(aPave);
334 }//for (; aItLPB.More(); aItLPB.Next()) {
336 myDS->UpdatePaveBlock(aPBD);
338 //=======================================================================
339 // function: MakeSplitEdge1
341 //=======================================================================
342 void MakeSplitEdge1 (const TopoDS_Edge& aE,
343 const TopoDS_Face& aF,
344 const TopoDS_Vertex& aV1,
345 const Standard_Real aP1,
346 const TopoDS_Vertex& aV2,
347 const Standard_Real aP2,
348 TopoDS_Edge& aNewEdge)
350 Standard_Real aTol=1.e-7;
359 BB.Range(E, aF, aP1, aP2);
361 BB.Degenerated(E, Standard_True);
363 BB.UpdateEdge(E, aTol);