| 1 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
| 2 | // |
| 3 | // The content of this file is subject to the Open CASCADE Technology Public |
| 4 | // License Version 6.5 (the "License"). You may not use the content of this file |
| 5 | // except in compliance with the License. Please obtain a copy of the License |
| 6 | // at http://www.opencascade.org and read it completely before using this file. |
| 7 | // |
| 8 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
| 9 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
| 10 | // |
| 11 | // The Original Code and all software distributed under the License is |
| 12 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
| 13 | // Initial Developer hereby disclaims all such warranties, including without |
| 14 | // limitation, any warranties of merchantability, fitness for a particular |
| 15 | // purpose or non-infringement. Please see the License for the specific terms |
| 16 | // and conditions governing the rights and limitations under the License. |
| 17 | |
| 18 | // pdn 10.12.98: tr9_r0501-ug |
| 19 | // pdn 28.12.98: PRO10366 shifting pcurve between two singularities |
| 20 | //:k7 abv 5.01.99: USA60022.igs ent 243: FixMissingSeam() improved |
| 21 | //:l2 abv 10.01.99: USA60022 7289: corrections for reversed face |
| 22 | //gka 11.01.99 file PRO7755.stp #2018: work-around error in BRepLib_MakeFace |
| 23 | //:p4 abv, pdn 23.02.99: PRO9234 #15720: call BRepTools::Update() for faces |
| 24 | // rln 03.03.99 S4135: transmission of parameter precision to SA_Surface::NbSingularities |
| 25 | //:q5 abv 19.03.99 code improvement |
| 26 | //%14 pdn 15.03.99 adding function for fixing null area wires |
| 27 | //%15 pdn 20.03.99 code improvement |
| 28 | // abv 09.04.99 S4136: improve tolerance management; remove unused flag Closed |
| 29 | //#4 szv S4163: optimization |
| 30 | // smh 31.01.01 BUC60810 : Case of small wire on face in solid |
| 31 | // sln 25.09.2001 checking order of 3d and 2d representation curves |
| 32 | // abv 19.10.2001 FixAddNaturalBound improved and extracted as separate fix |
| 33 | // skl,pdn 14.05.2002 OCC55 (correction precision for small faces) |
| 34 | |
| 35 | #include <ShapeFix_Face.ixx> |
| 36 | |
| 37 | #include <Standard_Failure.hxx> |
| 38 | #include <Standard_ErrorHandler.hxx> |
| 39 | |
| 40 | #include <Precision.hxx> |
| 41 | |
| 42 | #include <Geom2d_Curve.hxx> |
| 43 | #include <Geom2d_Line.hxx> |
| 44 | #include <Geom2dAdaptor_Curve.hxx> |
| 45 | #include <Geom_Curve.hxx> |
| 46 | #include <Geom_BSplineSurface.hxx> |
| 47 | #include <GeomAdaptor_HSurface.hxx> |
| 48 | |
| 49 | #include <TopoDS.hxx> |
| 50 | #include <TopoDS_Edge.hxx> |
| 51 | #include <TopoDS_Vertex.hxx> |
| 52 | #include <TopoDS_Shell.hxx> |
| 53 | #include <TopoDS_Compound.hxx> |
| 54 | #include <TopoDS_Iterator.hxx> |
| 55 | #include <TopExp_Explorer.hxx> |
| 56 | #include <TopTools_SequenceOfShape.hxx> |
| 57 | |
| 58 | #include <BRep_Tool.hxx> |
| 59 | #include <BRep_Builder.hxx> |
| 60 | #include <BRepTopAdaptor_FClass2d.hxx> |
| 61 | #include <BRepTools.hxx> |
| 62 | #include <BRepTools_WireExplorer.hxx> |
| 63 | #include <BRepBuilderAPI_MakeFace.hxx> |
| 64 | #include <BRepBuilderAPI_MakeVertex.hxx> |
| 65 | #include <BRepBuilderAPI_MakeWire.hxx> |
| 66 | |
| 67 | #include <Message_Msg.hxx> |
| 68 | #include <ShapeBuild_ReShape.hxx> |
| 69 | #include <ShapeExtend_WireData.hxx> |
| 70 | #include <ShapeAnalysis.hxx> |
| 71 | #include <ShapeFix_Wire.hxx> |
| 72 | #include <ShapeFix_Edge.hxx> |
| 73 | #include <ShapeAnalysis_Edge.hxx> |
| 74 | #include <Bnd_Box2d.hxx> |
| 75 | #include <Geom_Circle.hxx> |
| 76 | #include <Geom_SphericalSurface.hxx> |
| 77 | #include <Geom_RectangularTrimmedSurface.hxx> |
| 78 | #include <Geom_ConicalSurface.hxx> |
| 79 | #include <ShapeAnalysis_Wire.hxx> |
| 80 | #include <ShapeAnalysis_Surface.hxx> |
| 81 | |
| 82 | #include <ShapeExtend_CompositeSurface.hxx> |
| 83 | #include <ShapeFix_ComposeShell.hxx> |
| 84 | #include <TColGeom_HArray2OfSurface.hxx> |
| 85 | #include <ShapeBuild_Edge.hxx> |
| 86 | #include <TColgp_SequenceOfPnt2d.hxx> |
| 87 | #include <Bnd_Box.hxx> |
| 88 | #include <TopTools_IndexedMapOfShape.hxx> |
| 89 | #include <TopTools_DataMapOfShapeListOfShape.hxx> |
| 90 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 91 | #include <TopTools_MapOfShape.hxx> |
| 92 | #include <TopoDS.hxx> |
| 93 | #include <TopExp.hxx> |
| 94 | |
| 95 | #include <ShapeFix.hxx> |
| 96 | #include <ShapeFix_DataMapOfShapeBox2d.hxx> |
| 97 | #include <BndLib_Add2dCurve.hxx> |
| 98 | #include <Geom2dAdaptor_Curve.hxx> |
| 99 | #include <IntRes2d_Domain.hxx> |
| 100 | #include <Geom2dInt_GInter.hxx> |
| 101 | #include <IntRes2d_IntersectionPoint.hxx> |
| 102 | #include <IntRes2d_Transition.hxx> |
| 103 | #include <TopTools_SequenceOfShape.hxx> |
| 104 | #include <IntRes2d_IntersectionSegment.hxx> |
| 105 | #include <TopTools_DataMapOfShapeInteger.hxx> |
| 106 | |
| 107 | #include <ShapeFix_IntersectionTool.hxx> |
| 108 | #include <ShapeFix_SplitTool.hxx> |
| 109 | #include <TColStd_MapOfInteger.hxx> |
| 110 | #include <TopTools_DataMapOfShapeShape.hxx> |
| 111 | |
| 112 | #ifdef DEB |
| 113 | #define DEBUG |
| 114 | #endif |
| 115 | |
| 116 | //======================================================================= |
| 117 | //function : ShapeFix_Face |
| 118 | //purpose : |
| 119 | //======================================================================= |
| 120 | |
| 121 | ShapeFix_Face::ShapeFix_Face() |
| 122 | { |
| 123 | myFwd = Standard_True; |
| 124 | myStatus = 0; |
| 125 | myFixWire = new ShapeFix_Wire; |
| 126 | ClearModes(); |
| 127 | } |
| 128 | |
| 129 | //======================================================================= |
| 130 | //function : ShapeFix_Face |
| 131 | //purpose : |
| 132 | //======================================================================= |
| 133 | |
| 134 | ShapeFix_Face::ShapeFix_Face(const TopoDS_Face &face) |
| 135 | { |
| 136 | myFwd = Standard_True; |
| 137 | myStatus = 0; |
| 138 | myFixWire = new ShapeFix_Wire; |
| 139 | ClearModes(); |
| 140 | Init( face ); |
| 141 | } |
| 142 | |
| 143 | //======================================================================= |
| 144 | //function : ClearModes |
| 145 | //purpose : |
| 146 | //======================================================================= |
| 147 | |
| 148 | void ShapeFix_Face::ClearModes() |
| 149 | { |
| 150 | myFixWireMode = -1; |
| 151 | myFixOrientationMode = -1; |
| 152 | myFixAddNaturalBoundMode = -1; |
| 153 | myFixMissingSeamMode = -1; |
| 154 | myFixSmallAreaWireMode = -1; |
| 155 | myFixIntersectingWiresMode = -1; |
| 156 | myFixLoopWiresMode = -1; |
| 157 | myFixSplitFaceMode = -1; |
| 158 | myAutoCorrectPrecisionMode = 1; |
| 159 | myFixPeriodicDegenerated = -1; |
| 160 | } |
| 161 | |
| 162 | //======================================================================= |
| 163 | //function : SetMsgRegistrator |
| 164 | //purpose : |
| 165 | //======================================================================= |
| 166 | |
| 167 | void ShapeFix_Face::SetMsgRegistrator(const Handle(ShapeExtend_BasicMsgRegistrator)& msgreg) |
| 168 | { |
| 169 | ShapeFix_Root::SetMsgRegistrator ( msgreg ); |
| 170 | myFixWire->SetMsgRegistrator ( msgreg ); |
| 171 | } |
| 172 | |
| 173 | //======================================================================= |
| 174 | //function : SetPrecision |
| 175 | //purpose : |
| 176 | //======================================================================= |
| 177 | |
| 178 | void ShapeFix_Face::SetPrecision (const Standard_Real preci) |
| 179 | { |
| 180 | ShapeFix_Root::SetPrecision ( preci ); |
| 181 | myFixWire->SetPrecision ( preci ); |
| 182 | } |
| 183 | |
| 184 | //======================================================================= |
| 185 | //function : SetMinTolerance |
| 186 | //purpose : |
| 187 | //======================================================================= |
| 188 | |
| 189 | void ShapeFix_Face::SetMinTolerance (const Standard_Real mintol) |
| 190 | { |
| 191 | ShapeFix_Root::SetMinTolerance ( mintol ); |
| 192 | myFixWire->SetMinTolerance ( mintol ); |
| 193 | } |
| 194 | |
| 195 | //======================================================================= |
| 196 | //function : SetMaxTolerance |
| 197 | //purpose : |
| 198 | //======================================================================= |
| 199 | |
| 200 | void ShapeFix_Face::SetMaxTolerance (const Standard_Real maxtol) |
| 201 | { |
| 202 | ShapeFix_Root::SetMaxTolerance ( maxtol ); |
| 203 | myFixWire->SetMaxTolerance ( maxtol ); |
| 204 | } |
| 205 | |
| 206 | //======================================================================= |
| 207 | //function : Init |
| 208 | //purpose : |
| 209 | //======================================================================= |
| 210 | |
| 211 | void ShapeFix_Face::Init (const Handle(Geom_Surface)& surf, |
| 212 | const Standard_Real preci, const Standard_Boolean fwd) |
| 213 | { |
| 214 | myStatus = 0; |
| 215 | Handle(ShapeAnalysis_Surface) sas = new ShapeAnalysis_Surface ( surf ); |
| 216 | Init ( sas, preci, fwd ); |
| 217 | } |
| 218 | |
| 219 | //======================================================================= |
| 220 | //function : Init |
| 221 | //purpose : |
| 222 | //======================================================================= |
| 223 | |
| 224 | void ShapeFix_Face::Init (const Handle(ShapeAnalysis_Surface)& surf, |
| 225 | const Standard_Real preci, const Standard_Boolean fwd) |
| 226 | { |
| 227 | myStatus = 0; |
| 228 | mySurf = surf; |
| 229 | SetPrecision ( preci ); |
| 230 | BRep_Builder B; |
| 231 | B.MakeFace ( myFace, mySurf->Surface(), ::Precision::Confusion() ); |
| 232 | myShape = myFace; |
| 233 | myFwd = fwd; |
| 234 | if ( !fwd ) myFace.Orientation(TopAbs_REVERSED); |
| 235 | } |
| 236 | |
| 237 | //======================================================================= |
| 238 | //function : Init |
| 239 | //purpose : |
| 240 | //======================================================================= |
| 241 | |
| 242 | void ShapeFix_Face::Init (const TopoDS_Face& face) |
| 243 | { |
| 244 | myStatus = 0; |
| 245 | mySurf = new ShapeAnalysis_Surface ( BRep_Tool::Surface (face) ); |
| 246 | myFwd = ( face.Orientation() != TopAbs_REVERSED ); |
| 247 | myFace = face; |
| 248 | myShape = myFace; |
| 249 | // myFace = TopoDS::Face(face.EmptyCopied()); |
| 250 | // for (TopoDS_Iterator ws (face,Standard_False); ws.More(); ws.Next()) |
| 251 | // Add (TopoDS::Wire (ws.Value()) ); |
| 252 | } |
| 253 | |
| 254 | //======================================================================= |
| 255 | //function : Add |
| 256 | //purpose : |
| 257 | //======================================================================= |
| 258 | |
| 259 | void ShapeFix_Face::Add (const TopoDS_Wire& wire) |
| 260 | { |
| 261 | if ( wire.IsNull() ) return; |
| 262 | BRep_Builder B; |
| 263 | //szv#4:S4163:12Mar99 SGI warns |
| 264 | TopoDS_Shape fc = myFace.Oriented(TopAbs_FORWARD); //:l2 abv 10 Jan 99: Oriented() |
| 265 | B.Add ( fc, wire ); |
| 266 | } |
| 267 | |
| 268 | |
| 269 | //======================================================================= |
| 270 | //function : SplitWire |
| 271 | //purpose : auxilary - try to split wire (it is needed if some segments |
| 272 | // were removed in ShapeFix_Wire::FixSelfIntersection() |
| 273 | //======================================================================= |
| 274 | static Standard_Boolean SplitWire(const TopoDS_Face &face, const TopoDS_Wire& wire, |
| 275 | TopTools_SequenceOfShape& aResWires) |
| 276 | { |
| 277 | TColStd_MapOfInteger UsedEdges; |
| 278 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); |
| 279 | Standard_Integer i,j,k; |
| 280 | ShapeAnalysis_Edge sae; |
| 281 | for(i=1; i<=sewd->NbEdges(); i++) { |
| 282 | if(UsedEdges.Contains(i)) continue; |
| 283 | TopoDS_Edge E1 = sewd->Edge(i); |
| 284 | UsedEdges.Add(i); |
| 285 | TopoDS_Vertex V0,V1,V2; |
| 286 | V0 = sae.FirstVertex(E1); |
| 287 | V1 = sae.LastVertex(E1); |
| 288 | Handle(ShapeExtend_WireData) sewd1 = new ShapeExtend_WireData; |
| 289 | sewd1->Add(E1); |
| 290 | Standard_Boolean IsConnectedEdge = Standard_True; |
| 291 | for(j=2; j<=sewd->NbEdges() && IsConnectedEdge; j++) { |
| 292 | TopoDS_Edge E2; |
| 293 | for(k=2; k<=sewd->NbEdges(); k++) { |
| 294 | if(UsedEdges.Contains(k)) continue; |
| 295 | E2 = sewd->Edge(k); |
| 296 | TopoDS_Vertex V21 = sae.FirstVertex(E2); |
| 297 | TopoDS_Vertex V22 = sae.LastVertex(E2); |
| 298 | if( sae.FirstVertex(E2).IsSame(V1) ) { |
| 299 | sewd1->Add(E2); |
| 300 | UsedEdges.Add(k); |
| 301 | V1 = sae.LastVertex(E2); |
| 302 | break; |
| 303 | } |
| 304 | } |
| 305 | if(k>sewd->NbEdges()) { |
| 306 | IsConnectedEdge = Standard_False; |
| 307 | break; |
| 308 | } |
| 309 | if(V1.IsSame(V0)) { |
| 310 | //check that V0 and V1 are same in 2d too |
| 311 | Standard_Real a1,b1,a2,b2; |
| 312 | Handle (Geom2d_Curve) curve1 = BRep_Tool::CurveOnSurface(E1,face,a1,b1); |
| 313 | Handle (Geom2d_Curve) curve2 = BRep_Tool::CurveOnSurface(E2,face,a2,b2); |
| 314 | gp_Pnt2d v0,v1; |
| 315 | if (E1.Orientation() == TopAbs_REVERSED) |
| 316 | a1 = b1; |
| 317 | if (E2.Orientation() == TopAbs_REVERSED) |
| 318 | b2 = a2; |
| 319 | curve1->D0(a1,v0); |
| 320 | curve2->D0(b2,v1); |
| 321 | GeomAdaptor_Surface anAdaptor(BRep_Tool::Surface(face)); |
| 322 | Standard_Real tol = Max(BRep_Tool::Tolerance(V0),BRep_Tool::Tolerance(V1)); |
| 323 | Standard_Real maxResolution = 2 * Max ( anAdaptor.UResolution(tol), anAdaptor.VResolution(tol) ); |
| 324 | if (v0.SquareDistance(v1) < maxResolution) { |
| 325 | // new wire is closed, put it into sequence |
| 326 | aResWires.Append(sewd1->Wire()); |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | if(!IsConnectedEdge) { |
| 332 | // create new notclosed wire |
| 333 | aResWires.Append(sewd1->Wire()); |
| 334 | } |
| 335 | if(UsedEdges.Extent()==sewd->NbEdges()) break; |
| 336 | } |
| 337 | |
| 338 | if(aResWires.Length()>1) { |
| 339 | #ifdef DEBUG |
| 340 | cout<<"Wire was splitted on "<<aResWires.Length()<<" wires"<< endl; |
| 341 | #endif |
| 342 | } |
| 343 | |
| 344 | return Standard_True; |
| 345 | } |
| 346 | |
| 347 | |
| 348 | //======================================================================= |
| 349 | //function : Perform |
| 350 | //purpose : |
| 351 | //======================================================================= |
| 352 | |
| 353 | Standard_Boolean ShapeFix_Face::Perform() |
| 354 | { |
| 355 | myStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 356 | myFixWire->SetContext ( Context() ); |
| 357 | Handle(ShapeFix_Wire) theAdvFixWire = Handle(ShapeFix_Wire)::DownCast(myFixWire); |
| 358 | if (theAdvFixWire.IsNull()) return Standard_False; |
| 359 | |
| 360 | BRep_Builder B; |
| 361 | TopoDS_Shape aInitFace = myFace; |
| 362 | // perform first part of fixes on wires |
| 363 | Standard_Boolean isfixReorder = Standard_False; |
| 364 | Standard_Boolean isReplaced = Standard_False; |
| 365 | |
| 366 | //gka fix in order to avoid lost messages (following OCC21771) |
| 367 | TopTools_DataMapOfShapeShape aMapReorderedWires; |
| 368 | |
| 369 | Standard_Real aSavPreci = Precision(); |
| 370 | if ( NeedFix ( myFixWireMode ) ) { |
| 371 | theAdvFixWire->SetFace ( myFace ); |
| 372 | |
| 373 | Standard_Integer usFixLackingMode = theAdvFixWire->FixLackingMode(); |
| 374 | Standard_Integer usFixNotchedEdgesMode = theAdvFixWire->FixNotchedEdgesMode(); |
| 375 | Standard_Integer usFixSelfIntersectionMode = theAdvFixWire->FixSelfIntersectionMode(); |
| 376 | theAdvFixWire->FixLackingMode() = Standard_False; |
| 377 | theAdvFixWire->FixNotchedEdgesMode() = Standard_False; |
| 378 | theAdvFixWire->FixSelfIntersectionMode() = Standard_False; |
| 379 | |
| 380 | Standard_Boolean fixed = Standard_False; |
| 381 | TopoDS_Shape S = myFace; |
| 382 | if ( ! Context().IsNull() ) |
| 383 | S = Context()->Apply ( myFace ); |
| 384 | TopoDS_Shape emptyCopied = S.EmptyCopied(); |
| 385 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); |
| 386 | tmpFace.Orientation ( TopAbs_FORWARD ); |
| 387 | |
| 388 | /* |
| 389 | // skl 14.05.2002 OCC55 + corrected 03.03.2004 |
| 390 | Standard_Real dPreci = aSavPreci*aSavPreci; |
| 391 | dPreci*=4; |
| 392 | Standard_Real newpreci=dPreci; |
| 393 | for(TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next()) { |
| 394 | TopoDS_Edge edge = TopoDS::Edge ( exp.Current() ); |
| 395 | Standard_Real first,last; |
| 396 | Handle(Geom_Curve) c3d = BRep_Tool::Curve(edge, first, last); |
| 397 | if(!c3d.IsNull()) { |
| 398 | Bnd_Box bb; |
| 399 | bb.Add(c3d->Value(first)); |
| 400 | bb.Add(c3d->Value(last)); |
| 401 | bb.Add(c3d->Value((last+first)/2.)); |
| 402 | Standard_Real x1,x2,y1,y2,z1,z2,size; |
| 403 | bb.Get(x1,y1,z1,x2,y2,z2); |
| 404 | size = (x2-x1)*(x2-x1) + (y2-y1)*(y2-y1) + (z2-z1)*(z2-z1); |
| 405 | if(size<newpreci) newpreci=size; |
| 406 | } |
| 407 | } |
| 408 | newpreci=sqrt(newpreci)/2.*1.00001; |
| 409 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { |
| 410 | SetPrecision(newpreci); |
| 411 | theAdvFixWire->SetPrecision(newpreci); |
| 412 | } |
| 413 | // end skl 14.05.2002 |
| 414 | */ |
| 415 | |
| 416 | // skl 29.03.2010 (OCC21623) |
| 417 | if( myAutoCorrectPrecisionMode ) { |
| 418 | Standard_Real size = ShapeFix::LeastEdgeSize(S); |
| 419 | Standard_Real newpreci = Min(aSavPreci,size/2.); |
| 420 | newpreci = newpreci*1.00001; |
| 421 | if( aSavPreci > newpreci && newpreci > Precision::Confusion()) { |
| 422 | SetPrecision(newpreci); |
| 423 | theAdvFixWire->SetPrecision(newpreci); |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | isfixReorder = Standard_False; |
| 428 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
| 429 | if(iter.Value().ShapeType() != TopAbs_WIRE) { |
| 430 | B.Add ( tmpFace, iter.Value() ); |
| 431 | continue; |
| 432 | } |
| 433 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); |
| 434 | theAdvFixWire->Load ( wire ); |
| 435 | if(theAdvFixWire->NbEdges() == 0) { |
| 436 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) |
| 437 | B.Add ( tmpFace, wire ); |
| 438 | else { |
| 439 | fixed = Standard_True; |
| 440 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 441 | } |
| 442 | continue; |
| 443 | } |
| 444 | if ( theAdvFixWire->Perform() ) { |
| 445 | //fixed = Standard_True; |
| 446 | isfixReorder = ((theAdvFixWire->StatusReorder(ShapeExtend_DONE) && !theAdvFixWire->StatusReorder(ShapeExtend_DONE5)) || isfixReorder); |
| 447 | fixed = (theAdvFixWire->StatusSmall(ShapeExtend_DONE) || |
| 448 | theAdvFixWire->StatusConnected(ShapeExtend_DONE) || |
| 449 | theAdvFixWire->StatusEdgeCurves(ShapeExtend_DONE) || |
| 450 | theAdvFixWire->StatusDegenerated(ShapeExtend_DONE) || |
| 451 | theAdvFixWire->StatusClosed(ShapeExtend_DONE)); |
| 452 | TopoDS_Wire w = theAdvFixWire->Wire(); |
| 453 | if(fixed) { |
| 454 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); |
| 455 | if(theAdvFixWire->NbEdges() == 0) { |
| 456 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 457 | continue; |
| 458 | } |
| 459 | } |
| 460 | else if(!wire.IsSame(w)) |
| 461 | aMapReorderedWires.Bind(wire,w); |
| 462 | |
| 463 | wire = w; |
| 464 | } |
| 465 | B.Add ( tmpFace, wire ); |
| 466 | // if ( theAdvFixWire->Status ( ShapeExtend_FAIL ) ) |
| 467 | // myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 468 | } |
| 469 | |
| 470 | theAdvFixWire->FixLackingMode() = usFixLackingMode; |
| 471 | theAdvFixWire->FixNotchedEdgesMode() = usFixNotchedEdgesMode; |
| 472 | theAdvFixWire->FixSelfIntersectionMode() = usFixSelfIntersectionMode; |
| 473 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); |
| 474 | |
| 475 | if ( fixed ) { |
| 476 | //if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); |
| 477 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); |
| 478 | //myFace = tmpFace; |
| 479 | isReplaced = Standard_True; |
| 480 | } |
| 481 | if(fixed || isfixReorder) { |
| 482 | myFace = tmpFace; |
| 483 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | myResult = myFace; |
| 488 | TopoDS_Shape savShape = myFace; //gka BUG 6555 |
| 489 | |
| 490 | // Specific case for conic surfaces |
| 491 | if ( NeedFix(myFixPeriodicDegenerated) ) |
| 492 | this->FixPeriodicDegenerated(); |
| 493 | |
| 494 | // fix missing seam |
| 495 | if ( NeedFix ( myFixMissingSeamMode ) ) { |
| 496 | if ( FixMissingSeam() ) { |
| 497 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | // cycle by all possible faces coming from FixMissingSeam |
| 502 | // each face is processed as if it was single |
| 503 | TopExp_Explorer exp(myResult,TopAbs_FACE); |
| 504 | for ( ; exp.More(); exp.Next() ) { |
| 505 | myFace = TopoDS::Face ( exp.Current() ); |
| 506 | Standard_Boolean NeedCheckSplitWire = Standard_False; |
| 507 | |
| 508 | // perform second part of fixes on wires |
| 509 | if ( NeedFix ( myFixWireMode ) ) { |
| 510 | theAdvFixWire->SetFace ( myFace ); |
| 511 | |
| 512 | Standard_Integer usFixSmallMode = theAdvFixWire->FixSmallMode(); |
| 513 | Standard_Integer usFixConnectedMode = theAdvFixWire->FixConnectedMode(); |
| 514 | Standard_Integer usFixEdgeCurvesMode =theAdvFixWire->FixEdgeCurvesMode(); |
| 515 | Standard_Integer usFixDegeneratedMode = theAdvFixWire->FixDegeneratedMode(); |
| 516 | theAdvFixWire->FixSmallMode() = Standard_False; |
| 517 | theAdvFixWire->FixConnectedMode() = Standard_False; |
| 518 | theAdvFixWire->FixEdgeCurvesMode() = Standard_False; |
| 519 | theAdvFixWire->FixDegeneratedMode() = Standard_False; |
| 520 | |
| 521 | Standard_Boolean fixed = Standard_False; |
| 522 | TopoDS_Shape S = myFace; |
| 523 | if ( ! Context().IsNull() ) |
| 524 | S = Context()->Apply ( myFace ); |
| 525 | TopoDS_Shape emptyCopied = S.EmptyCopied(); |
| 526 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); |
| 527 | tmpFace.Orientation ( TopAbs_FORWARD ); |
| 528 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
| 529 | if(iter.Value().ShapeType() != TopAbs_WIRE) { |
| 530 | B.Add ( tmpFace,iter.Value()); |
| 531 | continue; |
| 532 | } |
| 533 | |
| 534 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); |
| 535 | theAdvFixWire->Load ( wire ); |
| 536 | if(theAdvFixWire->NbEdges() == 0) { |
| 537 | if(theAdvFixWire->WireData()->NbNonManifoldEdges()) |
| 538 | B.Add ( tmpFace, wire ); |
| 539 | else { |
| 540 | fixed = Standard_True; |
| 541 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 542 | } |
| 543 | continue; |
| 544 | } |
| 545 | if ( theAdvFixWire->Perform() ) { |
| 546 | isfixReorder = theAdvFixWire->StatusReorder(ShapeExtend_DONE); |
| 547 | fixed = (theAdvFixWire->StatusLacking(ShapeExtend_DONE) || |
| 548 | theAdvFixWire->StatusSelfIntersection(ShapeExtend_DONE) || |
| 549 | theAdvFixWire->StatusNotches(ShapeExtend_DONE)); //Standard_True; |
| 550 | TopoDS_Wire w = theAdvFixWire->Wire(); |
| 551 | if(fixed) { |
| 552 | if ( ! Context().IsNull() ) Context()->Replace ( wire, w ); |
| 553 | |
| 554 | } |
| 555 | else if(!wire.IsSame(w)) |
| 556 | aMapReorderedWires.Bind(wire,w); |
| 557 | |
| 558 | wire = w; |
| 559 | } |
| 560 | if(theAdvFixWire->StatusRemovedSegment()) |
| 561 | NeedCheckSplitWire = Standard_True; |
| 562 | |
| 563 | //fix for loop of wire |
| 564 | TopTools_SequenceOfShape aLoopWires; |
| 565 | if(NeedFix ( myFixLoopWiresMode) && FixLoopWire(aLoopWires)) { |
| 566 | if (aLoopWires.Length() > 1) |
| 567 | SendWarning ( wire, Message_Msg ( "FixAdvFace.FixLoopWire.MSG0" ) );// Wire was splitted on several wires |
| 568 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 569 | fixed = Standard_True; |
| 570 | Standard_Integer k=1; |
| 571 | for( ; k <= aLoopWires.Length(); k++) |
| 572 | B.Add (tmpFace,aLoopWires.Value(k)); |
| 573 | } |
| 574 | else |
| 575 | B.Add ( tmpFace, wire ); |
| 576 | } |
| 577 | |
| 578 | theAdvFixWire->FixSmallMode() = usFixSmallMode; |
| 579 | theAdvFixWire->FixConnectedMode() = usFixConnectedMode; |
| 580 | theAdvFixWire->FixEdgeCurvesMode() = usFixEdgeCurvesMode; |
| 581 | theAdvFixWire->FixDegeneratedMode() = usFixDegeneratedMode; |
| 582 | |
| 583 | if ( fixed ) { |
| 584 | if ( ! myFwd ) tmpFace.Orientation ( TopAbs_REVERSED ); |
| 585 | if(!isReplaced && !aInitFace.IsSame(myResult) && ! Context().IsNull()) //gka 06.09.04 BUG 6555 |
| 586 | Context()->Replace(aInitFace,savShape); |
| 587 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); |
| 588 | myFace = tmpFace; |
| 589 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | if(NeedCheckSplitWire) { |
| 594 | // try to split wire - it is needed if some segments were removed |
| 595 | // in ShapeFix_Wire::FixSelfIntersection() |
| 596 | TopoDS_Shape S = myFace; |
| 597 | if ( ! Context().IsNull() ) |
| 598 | S = Context()->Apply ( myFace ); |
| 599 | TopoDS_Shape emptyCopied = S.EmptyCopied(); |
| 600 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); |
| 601 | tmpFace.Orientation ( TopAbs_FORWARD ); |
| 602 | TopTools_SequenceOfShape aWires; |
| 603 | Standard_Integer nbw=0; |
| 604 | for ( TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
| 605 | if(iter.Value().ShapeType() != TopAbs_WIRE) { |
| 606 | B.Add (tmpFace,iter.Value()); |
| 607 | continue; |
| 608 | } |
| 609 | if(iter.Value().Orientation() != TopAbs_FORWARD && |
| 610 | iter.Value().Orientation() != TopAbs_REVERSED) { |
| 611 | B.Add (tmpFace,TopoDS::Wire(iter.Value())); |
| 612 | continue; |
| 613 | } |
| 614 | nbw++; |
| 615 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); |
| 616 | SplitWire(tmpFace,wire,aWires); |
| 617 | } |
| 618 | if(nbw<aWires.Length()) { |
| 619 | for(Standard_Integer iw=1; iw<=aWires.Length(); iw++) |
| 620 | B.Add (tmpFace,aWires.Value(iw)); |
| 621 | if ( ! Context().IsNull() ) Context()->Replace ( S, tmpFace ); |
| 622 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
| 623 | myFace = tmpFace; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | // fix intersecting wires |
| 628 | if(FixWiresTwoCoincEdges()) |
| 629 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 630 | if ( NeedFix ( myFixIntersectingWiresMode ) ) { |
| 631 | if ( FixIntersectingWires() ) { |
| 632 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | // fix orientation |
| 637 | TopTools_DataMapOfShapeListOfShape MapWires; |
| 638 | MapWires.Clear(); |
| 639 | if ( NeedFix ( myFixOrientationMode ) ) { |
| 640 | if ( FixOrientation(MapWires) ) |
| 641 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 642 | } |
| 643 | |
| 644 | BRepTools::Update(myFace); |
| 645 | |
| 646 | // fix natural bounds |
| 647 | Standard_Boolean NeedSplit = Standard_True; |
| 648 | if ( NeedFix ( myFixAddNaturalBoundMode ) ) { |
| 649 | if ( FixAddNaturalBound() ) { |
| 650 | NeedSplit = Standard_False; |
| 651 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | // split face |
| 656 | if ( NeedFix ( myFixSplitFaceMode ) && NeedSplit && MapWires.Extent()>1 ) { |
| 657 | if ( FixSplitFace(MapWires) ) |
| 658 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
| 659 | } |
| 660 | |
| 661 | } |
| 662 | |
| 663 | //return the original preci |
| 664 | SetPrecision(aSavPreci); |
| 665 | theAdvFixWire->SetPrecision(aSavPreci); |
| 666 | |
| 667 | // cycle by all possible faces coming from FixAddNaturalBound |
| 668 | // each face is processed as if it was single |
| 669 | for ( exp.Init(myResult,TopAbs_FACE); exp.More(); exp.Next() ) { |
| 670 | myFace = TopoDS::Face ( exp.Current() ); |
| 671 | |
| 672 | // fix small-area wires |
| 673 | if ( NeedFix ( myFixSmallAreaWireMode, Standard_False ) ) { |
| 674 | if ( FixSmallAreaWire() ) |
| 675 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | |
| 680 | if ( ! Context().IsNull() ) { |
| 681 | if(Status ( ShapeExtend_DONE ) && !isReplaced && !aInitFace.IsSame(savShape)) |
| 682 | { |
| 683 | //gka fix in order to avoid lost messages (following OCC21771) |
| 684 | if(aMapReorderedWires.Extent()) |
| 685 | { |
| 686 | TopoDS_Iterator aItW(aInitFace,Standard_False); |
| 687 | for( ; aItW.More() ; aItW.Next()) |
| 688 | { |
| 689 | TopoDS_Shape aCurW = aItW.Value(); |
| 690 | while(aMapReorderedWires.IsBound(aCurW)) |
| 691 | { |
| 692 | TopoDS_Shape aFixW = aMapReorderedWires.Find(aCurW); |
| 693 | Context()->Replace(aCurW, aFixW); |
| 694 | aCurW = aFixW; |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | } |
| 699 | Context()->Replace(aInitFace, savShape); |
| 700 | } |
| 701 | myResult = Context()->Apply ( aInitFace ); //gka 06.09.04 |
| 702 | } |
| 703 | else if(!Status ( ShapeExtend_DONE )) |
| 704 | myResult = aInitFace; |
| 705 | |
| 706 | return Status ( ShapeExtend_DONE ); |
| 707 | } |
| 708 | |
| 709 | //======================================================================= |
| 710 | //function : Auxiliary functions |
| 711 | //purpose : |
| 712 | //======================================================================= |
| 713 | |
| 714 | // Shift all pcurves of edges in the given wire on the given face |
| 715 | // to vector <vec> |
| 716 | static void Shift2dWire(const TopoDS_Wire w, const TopoDS_Face f, |
| 717 | const gp_Vec2d vec, |
| 718 | const Handle(ShapeAnalysis_Surface)& mySurf, |
| 719 | Standard_Boolean recompute3d = Standard_False) |
| 720 | { |
| 721 | gp_Trsf2d tr2d; |
| 722 | tr2d.SetTranslation(vec.XY()); |
| 723 | ShapeAnalysis_Edge sae; |
| 724 | ShapeBuild_Edge sbe; |
| 725 | BRep_Builder B; |
| 726 | for (TopoDS_Iterator ei (w,Standard_False); ei.More(); ei.Next()){ |
| 727 | TopoDS_Edge edge = TopoDS::Edge(ei.Value()); |
| 728 | Handle (Geom2d_Curve) C2d; |
| 729 | Standard_Real cf, cl; |
| 730 | if ( ! sae.PCurve(edge, f, C2d, cf, cl, Standard_True) ) continue; |
| 731 | C2d->Transform(tr2d); |
| 732 | if ( recompute3d ) { |
| 733 | // recompute 3d curve and vertex |
| 734 | sbe.RemoveCurve3d ( edge ); |
| 735 | sbe.BuildCurve3d ( edge ); |
| 736 | B.UpdateVertex ( sae.FirstVertex(edge), mySurf->Value(C2d->Value(cf)), 0. ); |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | // Cut interval from the sequence of intervals |
| 742 | static Standard_Boolean CutInterval (TColgp_SequenceOfPnt2d &intervals, |
| 743 | const gp_Pnt2d &toAddI, |
| 744 | const Standard_Real period) |
| 745 | { |
| 746 | if ( intervals.Length() <=0 ) return Standard_False; |
| 747 | for ( Standard_Integer j=0; j <2; j++ ) { // try twice, align to bottom and to top |
| 748 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { |
| 749 | gp_Pnt2d interval = intervals(i); |
| 750 | // ACIS907, OCC921 a054a.sat (face 124) |
| 751 | Standard_Real shift = ShapeAnalysis::AdjustByPeriod ( ( j ? toAddI.X() : toAddI.Y() ), |
| 752 | 0.5*( interval.X() + interval.Y() ),period); |
| 753 | gp_Pnt2d toAdd ( toAddI.X() + shift, toAddI.Y() + shift ); |
| 754 | if ( toAdd.Y() <= interval.X() || toAdd.X() >= interval.Y() ) continue; |
| 755 | if ( toAdd.X() > interval.X() ) { |
| 756 | if ( toAdd.Y() < interval.Y() ) { |
| 757 | intervals.InsertBefore ( i, interval ); |
| 758 | intervals.ChangeValue(i+1).SetX ( toAdd.Y() ); // i++... |
| 759 | } |
| 760 | intervals.ChangeValue(i).SetY ( toAdd.X() ); |
| 761 | } |
| 762 | else if ( toAdd.Y() < interval.Y() ) { |
| 763 | intervals.ChangeValue(i).SetX ( toAdd.Y() ); |
| 764 | } |
| 765 | else intervals.Remove ( i-- ); |
| 766 | } |
| 767 | } |
| 768 | return Standard_True; |
| 769 | } |
| 770 | |
| 771 | // Find middle of the biggest interval |
| 772 | static Standard_Real FindBestInterval (TColgp_SequenceOfPnt2d &intervals) |
| 773 | { |
| 774 | Standard_Real shift = 0., max = -1.; |
| 775 | for ( Standard_Integer i=1; i <= intervals.Length(); i++ ) { |
| 776 | gp_Pnt2d interval = intervals(i); |
| 777 | if ( interval.Y() - interval.X() <= max ) continue; |
| 778 | max = interval.Y() - interval.X(); |
| 779 | shift = interval.X() + 0.5 * max; |
| 780 | } |
| 781 | return shift; |
| 782 | } |
| 783 | |
| 784 | //======================================================================= |
| 785 | //function : FixAddNaturalBound |
| 786 | //purpose : |
| 787 | //======================================================================= |
| 788 | // Detect missing natural bounary on spherical surfaces and add it if |
| 789 | // necessary |
| 790 | //pdn 981202: add natural bounds if missing (on sphere only) |
| 791 | //:abv 28.08.01: rewritten and extended for toruses |
| 792 | |
| 793 | Standard_Boolean ShapeFix_Face::FixAddNaturalBound() |
| 794 | { |
| 795 | if ( ! Context().IsNull() ) { |
| 796 | TopoDS_Shape S = Context()->Apply ( myFace ); |
| 797 | myFace = TopoDS::Face ( S ); |
| 798 | } |
| 799 | |
| 800 | // collect wires in sequence |
| 801 | TopTools_SequenceOfShape ws; |
| 802 | TopTools_SequenceOfShape vs; |
| 803 | TopoDS_Iterator wi (myFace,Standard_False); |
| 804 | for ( ; wi.More(); wi.Next()) { |
| 805 | if(wi.Value().ShapeType() == TopAbs_WIRE && |
| 806 | (wi.Value().Orientation() == TopAbs_FORWARD || wi.Value().Orientation() == TopAbs_REVERSED)) |
| 807 | ws.Append (wi.Value()); |
| 808 | else |
| 809 | vs.Append(wi.Value()); |
| 810 | } |
| 811 | |
| 812 | // deal with case of empty face: just create a new one by standard tool |
| 813 | if ( ws.Length() <=0 ) { |
| 814 | BRepBuilderAPI_MakeFace mf (mySurf->Surface(), Precision::Confusion()); |
| 815 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, mf.Face() ); |
| 816 | myFace = mf.Face(); |
| 817 | |
| 818 | //gka 11.01.99 file PRO7755.stp entity #2018 surface #1895: error BRepLib_MakeFace func IsDegenerated |
| 819 | Handle(ShapeFix_Edge) sfe = myFixWire->FixEdgeTool(); |
| 820 | for (TopExp_Explorer Eed (myFace, TopAbs_EDGE); Eed.More(); Eed.Next()) { |
| 821 | TopoDS_Edge edg = TopoDS::Edge (Eed.Current()); |
| 822 | sfe->FixVertexTolerance(edg); |
| 823 | } |
| 824 | |
| 825 | // B.UpdateFace (myFace,myPrecision); |
| 826 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
| 827 | BRepTools::Update(myFace); |
| 828 | return Standard_True; |
| 829 | } |
| 830 | |
| 831 | // check that surface is double-closed and fix is needed |
| 832 | if ( ( mySurf->Adaptor3d()->GetType() != GeomAbs_Sphere && |
| 833 | mySurf->Adaptor3d()->GetType() != GeomAbs_Torus ) || |
| 834 | ShapeAnalysis::IsOuterBound (myFace) ) |
| 835 | return Standard_False; |
| 836 | |
| 837 | // Collect informations on free intervals in U and V |
| 838 | TColgp_SequenceOfPnt2d intU, intV, centers; |
| 839 | Standard_Real SUF, SUL, SVF, SVL; |
| 840 | mySurf->Bounds(SUF, SUL, SVF, SVL); |
| 841 | intU.Append ( gp_Pnt2d(SUF, SUL) ); |
| 842 | intV.Append ( gp_Pnt2d(SVF, SVL) ); |
| 843 | Standard_Integer nb = ws.Length(); |
| 844 | Standard_Integer i; |
| 845 | for ( i=1; i <= nb; i ++) { |
| 846 | Standard_Real Umin, Vmin, Umax, Vmax; |
| 847 | // Bnd_Box2d B; |
| 848 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); |
| 849 | // PTV 01.11.2002 ACIS907, OCC921 begin |
| 850 | // BRepTools::AddUVBounds(myFace,aw,B); |
| 851 | // B.Get(Umin, Vmin, Umax, Vmax); |
| 852 | TopoDS_Face aWireFace = TopoDS::Face( myFace.EmptyCopied() ); |
| 853 | BRep_Builder aB; |
| 854 | aB.Add( aWireFace, aw ); |
| 855 | ShapeAnalysis::GetFaceUVBounds(aWireFace, Umin, Umax, Vmin, Vmax); |
| 856 | // PTV 01.11.2002 ACIS907, OCC921 end |
| 857 | if ( mySurf->IsUClosed() ) CutInterval ( intU, gp_Pnt2d(Umin,Umax), SUL-SUF ); |
| 858 | if ( mySurf->IsVClosed() ) CutInterval ( intV, gp_Pnt2d(Vmin,Vmax), SVL-SVF ); |
| 859 | centers.Append ( gp_Pnt2d ( 0.5*(Umin+Umax), 0.5*(Vmin+Vmax) ) ); |
| 860 | } |
| 861 | |
| 862 | // find best interval and thus compute shift |
| 863 | gp_Pnt2d shift(0.,0.); |
| 864 | if ( mySurf->IsUClosed() ) shift.SetX ( FindBestInterval ( intU ) ); |
| 865 | if ( mySurf->IsVClosed() ) shift.SetY ( FindBestInterval ( intV ) ); |
| 866 | |
| 867 | // Adjust all other wires to be inside outer one |
| 868 | gp_Pnt2d center ( shift.X() + 0.5*(SUL-SUF), shift.Y() + 0.5*(SVL-SVF) ); |
| 869 | for ( i=1; i <= nb; i++ ) { |
| 870 | TopoDS_Wire wire = TopoDS::Wire (ws.Value(i)); |
| 871 | gp_Pnt2d sh(0.,0.); |
| 872 | if ( mySurf->IsUClosed() ) |
| 873 | sh.SetX ( ShapeAnalysis::AdjustByPeriod ( centers(i).X(), center.X(), SUL-SUF ) ); |
| 874 | if ( mySurf->IsVClosed() ) |
| 875 | sh.SetY ( ShapeAnalysis::AdjustByPeriod ( centers(i).Y(), center.Y(), SVL-SVF ) ); |
| 876 | Shift2dWire ( wire, myFace, sh.XY(), mySurf ); |
| 877 | } |
| 878 | |
| 879 | // Create naturally bounded surface and add that wire to sequence |
| 880 | /* variant 1 |
| 881 | // Create fictive grid and call ComposeShell |
| 882 | Handle(Geom_RectangularTrimmedSurface) RTS = |
| 883 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), SUF+shift.X(), SUL+shift.X(), |
| 884 | SVF+shift.Y(), SVL+shift.Y() ); |
| 885 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); |
| 886 | grid->SetValue ( 1, 1, RTS ); |
| 887 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); |
| 888 | TopLoc_Location L; |
| 889 | |
| 890 | ShapeFix_ComposeShell CompShell; |
| 891 | CompShell.Init ( G, L, myFace, ::Precision::Confusion() ); |
| 892 | CompShell.ClosedMode() = Standard_True; |
| 893 | CompShell.NaturalBoundMode() = Standard_True; |
| 894 | CompShell.SetContext( Context() ); |
| 895 | CompShell.SetMaxTolerance(MaxTolerance()); |
| 896 | CompShell.Perform(); |
| 897 | TopoDS_Shape res = CompShell.Result(); |
| 898 | |
| 899 | Context()->Replace ( myFace, res ); |
| 900 | for (TopExp_Explorer exp ( res, TopAbs_FACE ); exp.More(); exp.Next() ) { |
| 901 | myFace = TopoDS::Face ( exp.Current() ); |
| 902 | BRepTools::Update(myFace); //:p4 |
| 903 | } |
| 904 | myResult = Context()->Apply ( myResult ); |
| 905 | */ |
| 906 | /* variant 2 */ |
| 907 | TopLoc_Location L; |
| 908 | Handle(Geom_Surface) surf = BRep_Tool::Surface ( myFace, L ); |
| 909 | BRepBuilderAPI_MakeFace mf (surf, Precision::Confusion()); |
| 910 | TopoDS_Face ftmp = mf.Face(); |
| 911 | ftmp.Location ( L ); |
| 912 | for (wi.Initialize (ftmp,Standard_False); wi.More(); wi.Next()) { |
| 913 | if(wi.Value().ShapeType() != TopAbs_WIRE) |
| 914 | continue; |
| 915 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); |
| 916 | ws.Append ( wire ); |
| 917 | if ( shift.XY().Modulus() < ::Precision::PConfusion() ) continue; |
| 918 | Shift2dWire ( wire, myFace, shift.XY(), mySurf, Standard_True ); |
| 919 | } |
| 920 | |
| 921 | // Fix possible case on sphere when gap contains degenerated edge |
| 922 | // and thus has a common part with natural boundary |
| 923 | // Such hole should be merged with boundary |
| 924 | if ( mySurf->Adaptor3d()->GetType() == GeomAbs_Sphere && |
| 925 | ws.Length() == nb+1 ) { |
| 926 | Handle(ShapeExtend_WireData) bnd = |
| 927 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Last() ) ); |
| 928 | // code to become separate method FixTouchingWires() |
| 929 | for ( i=1; i <= nb; i++ ) { |
| 930 | Handle(ShapeExtend_WireData) sbwd = |
| 931 | new ShapeExtend_WireData ( TopoDS::Wire ( ws.Value(i) ) ); |
| 932 | for (Standard_Integer j=1; j <= sbwd->NbEdges(); j++ ) { |
| 933 | if ( ! BRep_Tool::Degenerated ( sbwd->Edge(j) ) ) continue; |
| 934 | // find corresponding place in boundary |
| 935 | ShapeAnalysis_Edge sae; |
| 936 | TopoDS_Vertex V = sae.FirstVertex ( sbwd->Edge(j) ); |
| 937 | Standard_Integer k; |
| 938 | for ( k=1; k <= bnd->NbEdges(); k++ ) { |
| 939 | if ( ! BRep_Tool::Degenerated ( bnd->Edge(k) ) ) continue; |
| 940 | if ( BRepTools::Compare ( V, sae.FirstVertex ( bnd->Edge(k) ) ) ) break; |
| 941 | } |
| 942 | if ( k > bnd->NbEdges() ) continue; |
| 943 | // and insert hole to that place |
| 944 | BRep_Builder B; |
| 945 | B.Degenerated ( sbwd->Edge(j), Standard_False ); |
| 946 | B.Degenerated ( bnd->Edge(k), Standard_False ); |
| 947 | sbwd->SetLast ( j ); |
| 948 | bnd->Add ( sbwd, k+1 ); |
| 949 | ws.Remove ( i-- ); |
| 950 | nb--; |
| 951 | myFixWire->SetFace ( myFace ); |
| 952 | myFixWire->Load ( bnd ); |
| 953 | myFixWire->FixConnected(); |
| 954 | myFixWire->FixDegenerated(); |
| 955 | ws.SetValue ( ws.Length(), bnd->Wire() ); |
| 956 | break; |
| 957 | } |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | // Create resulting face |
| 962 | BRep_Builder B; |
| 963 | TopoDS_Shape S = myFace.EmptyCopied(); |
| 964 | S.Orientation ( TopAbs_FORWARD ); |
| 965 | for ( i = 1; i <= ws.Length(); i++ ) B.Add ( S, ws.Value(i) ); |
| 966 | for ( i = 1; i <= vs.Length(); i++ ) B.Add ( S, vs.Value(i) ); |
| 967 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); |
| 968 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); |
| 969 | myFace = TopoDS::Face ( S ); |
| 970 | BRepTools::Update(myFace); |
| 971 | |
| 972 | /**/ |
| 973 | #ifdef DEBUG |
| 974 | cout<<"Natural bound on sphere or torus with holes added"<<endl; // mise au point ! |
| 975 | #endif |
| 976 | SendWarning ( myFace, Message_Msg ( "FixAdvFace.FixOrientation.MSG0" ) );// Face created with natural bounds |
| 977 | return Standard_True; |
| 978 | } |
| 979 | |
| 980 | |
| 981 | //======================================================================= |
| 982 | //function : FixOrientation |
| 983 | //purpose : |
| 984 | //======================================================================= |
| 985 | |
| 986 | Standard_Boolean ShapeFix_Face::FixOrientation() |
| 987 | { |
| 988 | TopTools_DataMapOfShapeListOfShape MapWires; |
| 989 | MapWires.Clear(); |
| 990 | return FixOrientation(MapWires); |
| 991 | } |
| 992 | |
| 993 | |
| 994 | //======================================================================= |
| 995 | //function : FixOrientation |
| 996 | //purpose : |
| 997 | //======================================================================= |
| 998 | |
| 999 | Standard_Boolean ShapeFix_Face::FixOrientation(TopTools_DataMapOfShapeListOfShape &MapWires) |
| 1000 | { |
| 1001 | Standard_Boolean done = Standard_False; |
| 1002 | |
| 1003 | if ( ! Context().IsNull() ) { |
| 1004 | TopoDS_Shape S = Context()->Apply ( myFace ); |
| 1005 | myFace = TopoDS::Face ( S ); |
| 1006 | } |
| 1007 | TopTools_SequenceOfShape ws; |
| 1008 | TopTools_SequenceOfShape allSubShapes; |
| 1009 | // smh: BUC60810 : protection against very small wires (one-edge, null-length) |
| 1010 | TopTools_SequenceOfShape VerySmallWires; |
| 1011 | for ( TopoDS_Iterator wi (myFace,Standard_False); wi.More(); wi.Next()) { |
| 1012 | if(wi.Value().ShapeType() == TopAbs_VERTEX || |
| 1013 | (wi.Value().Orientation() != TopAbs_FORWARD && |
| 1014 | wi.Value().Orientation() != TopAbs_REVERSED)) { |
| 1015 | allSubShapes.Append (wi.Value()); |
| 1016 | //ws.Append (wi.Value()); |
| 1017 | continue; |
| 1018 | } |
| 1019 | |
| 1020 | TopoDS_Iterator ei (wi.Value(),Standard_False); |
| 1021 | TopoDS_Edge anEdge; |
| 1022 | Standard_Real length = RealLast(); |
| 1023 | if ( ei.More() ) { |
| 1024 | anEdge = TopoDS::Edge(ei.Value()); |
| 1025 | ei.Next(); |
| 1026 | if ( ! ei.More() ) { |
| 1027 | length = 0; |
| 1028 | Standard_Real First, Last; |
| 1029 | Handle(Geom_Curve) c3d; |
| 1030 | ShapeAnalysis_Edge sae; |
| 1031 | if ( sae.Curve3d(anEdge,c3d,First,Last) ) { |
| 1032 | gp_Pnt pntIni = c3d->Value(First); |
| 1033 | gp_XYZ prev; |
| 1034 | prev = pntIni.XYZ(); |
| 1035 | Standard_Integer NbControl = 10; |
| 1036 | for ( Standard_Integer j = 1; j < NbControl; j++) { |
| 1037 | Standard_Real prm = ((NbControl-1-j)*First + j*Last)/(NbControl-1); |
| 1038 | gp_Pnt pntCurr = c3d->Value(prm); |
| 1039 | gp_XYZ curr = pntCurr.XYZ(); |
| 1040 | gp_XYZ delta = curr - prev; |
| 1041 | length += delta.Modulus(); |
| 1042 | prev = curr; |
| 1043 | } |
| 1044 | } |
| 1045 | } |
| 1046 | } |
| 1047 | else length = 0; |
| 1048 | if (length > ::Precision::Confusion()) { |
| 1049 | ws.Append (wi.Value()); |
| 1050 | allSubShapes.Append (wi.Value()); |
| 1051 | } |
| 1052 | else VerySmallWires.Append (wi.Value()); |
| 1053 | } |
| 1054 | if ( VerySmallWires.Length() >0 ) done = Standard_True; |
| 1055 | |
| 1056 | Standard_Integer nb = ws.Length(); |
| 1057 | Standard_Integer nbAll = allSubShapes.Length(); |
| 1058 | BRep_Builder B; |
| 1059 | |
| 1060 | // if no wires, just do nothing |
| 1061 | if ( nb <= 0) return Standard_False; |
| 1062 | Standard_Integer nbInternal=0; |
| 1063 | Standard_Boolean isAddNaturalBounds = (NeedFix (myFixAddNaturalBoundMode) && |
| 1064 | ( mySurf->Adaptor3d()->GetType() == GeomAbs_Sphere || |
| 1065 | mySurf->Adaptor3d()->GetType() == GeomAbs_Torus )); |
| 1066 | TColStd_SequenceOfInteger aSeqReversed; |
| 1067 | // if wire is only one, check its orientation |
| 1068 | if ( nb == 1 ) { |
| 1069 | // skl 12.04.2002 for cases with nbwires>1 (VerySmallWires>1) |
| 1070 | // make face with only one wire (ws.Value(1)) |
| 1071 | TopoDS_Shape dummy = myFace.EmptyCopied(); |
| 1072 | TopoDS_Face af = TopoDS::Face ( dummy ); |
| 1073 | af.Orientation ( TopAbs_FORWARD ); |
| 1074 | B.Add (af,ws.Value(1)); |
| 1075 | if ( ( myFixAddNaturalBoundMode != Standard_True || //: abv 29.08.01: Spatial_firex_lofting.sat |
| 1076 | ( mySurf->Adaptor3d()->GetType() != GeomAbs_Sphere && |
| 1077 | mySurf->Adaptor3d()->GetType() != GeomAbs_Torus ) ) && |
| 1078 | ! ShapeAnalysis::IsOuterBound (af)) { |
| 1079 | Handle(ShapeExtend_WireData) sbdw = |
| 1080 | new ShapeExtend_WireData (TopoDS::Wire(ws.Value(1))); |
| 1081 | sbdw->Reverse ( myFace ); |
| 1082 | ws.SetValue ( 1, sbdw->Wire() ); |
| 1083 | SendWarning ( sbdw->Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
| 1084 | done = Standard_True; |
| 1085 | #ifdef DEBUG |
| 1086 | cout<<"Wire reversed"<<endl; // mise au point ! |
| 1087 | #endif |
| 1088 | } |
| 1089 | } |
| 1090 | // in case of several wires, perform complex analysis |
| 1091 | // ATTENTION ESSAI |
| 1092 | // Plusieurs wires : orientations relatives |
| 1093 | // Chaque wire doit "contenir" tous les autres |
| 1094 | // Evidemment, en cas de peau de leopard, il peut y avoir probleme |
| 1095 | else { |
| 1096 | // On prend chaque wire (NB: pcurves presentes !) |
| 1097 | // En principe on devrait rejeter les wires non fermes (cf couture manque ?) |
| 1098 | // On le classe par rapport aux autres, qui doivent tous etre, soit IN soit |
| 1099 | // OUT. Sinon il y a imbrication -> SDB. Si IN, OK, si OUT on inverse |
| 1100 | // (nb : ici pas myClos donc pas de pb de couture) |
| 1101 | // Si au moins une inversion, il faut refaire la face (cf myRebil) |
| 1102 | |
| 1103 | //:94 abv 30 Jan 98: calculate parametric precision |
| 1104 | |
| 1105 | // GeomAdaptor_Surface& Ads = mySurf->Adaptor3d()->ChangeSurface(); |
| 1106 | // Standard_Real toluv = Min ( Ads.UResolution(Precision()), Ads.VResolution(Precision()) ); |
| 1107 | Standard_Boolean uclosed = mySurf->IsUClosed(); |
| 1108 | Standard_Boolean vclosed = mySurf->IsVClosed(); |
| 1109 | Standard_Real SUF, SUL, SVF, SVL; |
| 1110 | mySurf->Bounds(SUF, SUL, SVF, SVL); |
| 1111 | |
| 1112 | TopTools_DataMapOfShapeListOfShape MW; |
| 1113 | TopTools_DataMapOfShapeInteger SI; |
| 1114 | TopTools_MapOfShape MapIntWires; |
| 1115 | MW.Clear(); |
| 1116 | SI.Clear(); |
| 1117 | MapIntWires.Clear(); |
| 1118 | Standard_Integer NbOuts=0; |
| 1119 | Standard_Integer i; |
| 1120 | |
| 1121 | for ( i = 1; i <= nb; i ++) { |
| 1122 | TopoDS_Shape asw = ws.Value(i); |
| 1123 | TopoDS_Wire aw = TopoDS::Wire (asw); |
| 1124 | TopoDS_Shape dummy = myFace.EmptyCopied(); |
| 1125 | TopoDS_Face af = TopoDS::Face ( dummy ); |
| 1126 | // B.MakeFace (af,mySurf->Surface(),::Precision::Confusion()); |
| 1127 | af.Orientation ( TopAbs_FORWARD ); |
| 1128 | B.Add (af,aw); |
| 1129 | // PTV OCC945 06.11.2002 files ie_exhaust-A.stp (entities 3782, 3787) |
| 1130 | // tolerance is too big. It is seems that to identify placement of 2d point |
| 1131 | // it is enough Precision::PConfusion(), cause wea re know that 2d point in TopAbs_ON |
| 1132 | // BRepTopAdaptor_FClass2d clas (af,toluv); |
| 1133 | Standard_Boolean CheckShift = Standard_True; |
| 1134 | BRepTopAdaptor_FClass2d clas (af,::Precision::PConfusion()); |
| 1135 | TopAbs_State sta = TopAbs_OUT; |
| 1136 | TopAbs_State staout = clas.PerformInfinitePoint(); |
| 1137 | TopTools_ListOfShape IntWires; |
| 1138 | for ( Standard_Integer j = 1; j <= nbAll; j ++) { |
| 1139 | //if(i==j) continue; |
| 1140 | TopoDS_Shape aSh2 = allSubShapes.Value(j); |
| 1141 | if(aw == aSh2) |
| 1142 | continue; |
| 1143 | TopAbs_State stb = TopAbs_UNKNOWN; |
| 1144 | if(aSh2.ShapeType() == TopAbs_VERTEX) { |
| 1145 | gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aSh2)); |
| 1146 | gp_Pnt2d p2d = mySurf->ValueOfUV(aP,Precision::Confusion()); |
| 1147 | stb = clas.Perform (p2d,Standard_False); |
| 1148 | if(stb == staout && (uclosed || vclosed)) { |
| 1149 | gp_Pnt2d p2d1; |
| 1150 | if(uclosed) { |
| 1151 | Standard_Real period = SUL-SUF; |
| 1152 | p2d1.SetCoord(p2d.X()+period, p2d.Y()); |
| 1153 | stb = clas.Perform (p2d1,Standard_False); |
| 1154 | |
| 1155 | } |
| 1156 | if(stb == staout && vclosed) { |
| 1157 | Standard_Real period = SVL-SVF; |
| 1158 | p2d1.SetCoord(p2d.X(), p2d.Y()+ period); |
| 1159 | stb = clas.Perform (p2d1,Standard_False); |
| 1160 | } |
| 1161 | } |
| 1162 | } |
| 1163 | else if (aSh2.ShapeType() == TopAbs_WIRE) { |
| 1164 | CheckShift = Standard_True; |
| 1165 | TopoDS_Wire bw = TopoDS::Wire (aSh2); |
| 1166 | // Standard_Integer numin =0; |
| 1167 | TopoDS_Iterator ew (bw); |
| 1168 | for(;ew.More(); ew.Next()) { |
| 1169 | TopoDS_Edge ed = TopoDS::Edge (ew.Value()); |
| 1170 | Standard_Real cf,cl; |
| 1171 | Handle(Geom2d_Curve) cw = BRep_Tool::CurveOnSurface (ed,myFace,cf,cl); |
| 1172 | if (cw.IsNull()) continue; |
| 1173 | gp_Pnt2d unp = cw->Value ((cf+cl)/2.); |
| 1174 | TopAbs_State ste = clas.Perform (unp,Standard_False); |
| 1175 | if( ste==TopAbs_OUT || ste==TopAbs_IN ) { |
| 1176 | if(stb==TopAbs_UNKNOWN) { |
| 1177 | stb = ste; |
| 1178 | } |
| 1179 | else { |
| 1180 | if(!(stb==ste)) { |
| 1181 | sta = TopAbs_UNKNOWN; |
| 1182 | SI.Bind(aw,0); |
| 1183 | j=nb; |
| 1184 | break; |
| 1185 | } |
| 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | Standard_Boolean found = Standard_False; |
| 1190 | gp_Pnt2d unp1; |
| 1191 | if( stb == staout && CheckShift ) { |
| 1192 | CheckShift = Standard_False; |
| 1193 | if(uclosed) { |
| 1194 | Standard_Real period = SUL-SUF; |
| 1195 | unp1.SetCoord(unp.X()+period, unp.Y()); |
| 1196 | found = (staout != clas.Perform (unp1,Standard_False)); |
| 1197 | if(!found) { |
| 1198 | unp1.SetX(unp.X()-period); |
| 1199 | found = (staout != clas.Perform (unp1,Standard_False)); |
| 1200 | } |
| 1201 | } |
| 1202 | if(vclosed&&!found) { |
| 1203 | Standard_Real period = SVL-SVF; |
| 1204 | unp1.SetCoord(unp.X(), unp.Y()+period); |
| 1205 | found = (staout != clas.Perform (unp1,Standard_False)); |
| 1206 | if(!found) { |
| 1207 | unp1.SetY(unp.Y()-period); |
| 1208 | found = (staout != clas.Perform (unp1,Standard_False)); |
| 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | if(found) { |
| 1213 | if(stb==TopAbs_IN) stb = TopAbs_OUT; |
| 1214 | else stb = TopAbs_IN; |
| 1215 | Shift2dWire(bw,myFace,unp1.XY()-unp.XY(), mySurf); |
| 1216 | } |
| 1217 | } |
| 1218 | } |
| 1219 | if(stb==staout) { |
| 1220 | sta = TopAbs_IN; |
| 1221 | } |
| 1222 | else { |
| 1223 | IntWires.Append(aSh2); |
| 1224 | MapIntWires.Add(aSh2); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | if (sta == TopAbs_UNKNOWN) { // ERREUR |
| 1229 | SendWarning ( aw, Message_Msg ( "FixAdvFace.FixOrientation.MSG11" ) );// Cannot orient wire |
| 1230 | } |
| 1231 | else { |
| 1232 | MW.Bind(aw,IntWires); |
| 1233 | if(sta==TopAbs_OUT) { |
| 1234 | NbOuts++; |
| 1235 | if(staout==TopAbs_IN) { |
| 1236 | // wire is OUT but InfinitePoint is IN => need to reverse |
| 1237 | ShapeExtend_WireData sewd (aw); |
| 1238 | sewd.Reverse(myFace); |
| 1239 | ws.SetValue (i,sewd.Wire()); |
| 1240 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
| 1241 | aSeqReversed.Append(i); |
| 1242 | done = Standard_True; |
| 1243 | SI.Bind(ws.Value(i),1); |
| 1244 | MapWires.Bind(ws.Value(i),IntWires); |
| 1245 | } |
| 1246 | else { |
| 1247 | SI.Bind(aw,1); |
| 1248 | MapWires.Bind(aw,IntWires); |
| 1249 | } |
| 1250 | } |
| 1251 | else { |
| 1252 | if(staout==TopAbs_OUT) SI.Bind(aw,2); |
| 1253 | else SI.Bind(aw,3); |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | } |
| 1258 | |
| 1259 | for(i=1; i<=nb; i++) { |
| 1260 | TopoDS_Wire aw = TopoDS::Wire (ws.Value(i)); |
| 1261 | Standard_Integer tmpi = SI.Find(aw); |
| 1262 | if(tmpi>1) { |
| 1263 | if(!MapIntWires.Contains(aw)) { |
| 1264 | NbOuts++; |
| 1265 | const TopTools_ListOfShape& IW = MW.Find(aw); |
| 1266 | if(tmpi==3) { |
| 1267 | // wire is OUT but InfinitePoint is IN => need to reverse |
| 1268 | ShapeExtend_WireData sewd (aw); |
| 1269 | sewd.Reverse(myFace); |
| 1270 | ws.SetValue (i,sewd.Wire()); |
| 1271 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
| 1272 | aSeqReversed.Append(i); |
| 1273 | done = Standard_True; |
| 1274 | MapWires.Bind(ws.Value(i),IW); |
| 1275 | } |
| 1276 | else MapWires.Bind(aw,IW); |
| 1277 | } |
| 1278 | else { |
| 1279 | if(tmpi==2) { |
| 1280 | // wire is IN but InfinitePoint is OUT => need to reverse |
| 1281 | ShapeExtend_WireData sewd (aw); |
| 1282 | sewd.Reverse(myFace); |
| 1283 | ws.SetValue (i,sewd.Wire()); |
| 1284 | SendWarning ( sewd.Wire(), Message_Msg ( "FixAdvFace.FixOrientation.MSG5" ) );// Wire on face was reversed |
| 1285 | aSeqReversed.Append(i); |
| 1286 | done = Standard_True; |
| 1287 | } |
| 1288 | } |
| 1289 | } |
| 1290 | } |
| 1291 | |
| 1292 | } |
| 1293 | |
| 1294 | //done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); |
| 1295 | if(isAddNaturalBounds && nb == aSeqReversed.Length()) |
| 1296 | done = Standard_False; |
| 1297 | else |
| 1298 | done = (done && (nb ==1 || (isAddNaturalBounds || (!isAddNaturalBounds && nbInternal <nb)))); |
| 1299 | // Faut-il reconstruire ? si myRebil est mis |
| 1300 | if ( done ) { |
| 1301 | TopoDS_Shape S = myFace.EmptyCopied(); |
| 1302 | S.Orientation ( TopAbs_FORWARD ); |
| 1303 | Standard_Integer i = 1; |
| 1304 | for ( ; i <= nb; i++ ) |
| 1305 | B.Add ( S, ws.Value(i) ); |
| 1306 | |
| 1307 | if(nb < nbAll) { |
| 1308 | for( i =1; i <= nbAll;i++) { |
| 1309 | TopoDS_Shape aS2 = allSubShapes.Value(i); |
| 1310 | if(aS2.ShapeType() != TopAbs_WIRE || |
| 1311 | (aS2.Orientation() != TopAbs_FORWARD && aS2.Orientation() != TopAbs_REVERSED)) |
| 1312 | B.Add ( S,aS2); |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | if ( ! myFwd ) S.Orientation (TopAbs_REVERSED); |
| 1317 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, S ); |
| 1318 | myFace = TopoDS::Face ( S ); |
| 1319 | BRepTools::Update(myFace); |
| 1320 | Standard_Integer k =1; |
| 1321 | for( ; k <= aSeqReversed.Length(); k++ ) |
| 1322 | { |
| 1323 | #ifdef DEBUG |
| 1324 | cout<<"Wire no "<<aSeqReversed.Value(k)<<" of "<<nb<<" reversed"<<endl; // mise au point ! |
| 1325 | #endif |
| 1326 | } |
| 1327 | |
| 1328 | } |
| 1329 | return done; |
| 1330 | } |
| 1331 | |
| 1332 | |
| 1333 | //======================================================================= |
| 1334 | //function : CheckWire |
| 1335 | //purpose : auxilary for FixMissingSeam |
| 1336 | //======================================================================= |
| 1337 | //:i7 abv 18 Sep 98: ProSTEP TR9 r0501-ug.stp: algorithm of fixing missing seam changed |
| 1338 | // test whether the wire is opened on period of periodical surface |
| 1339 | static Standard_Boolean CheckWire (const TopoDS_Wire &wire, |
| 1340 | const TopoDS_Face &face, |
| 1341 | const Standard_Real dU, |
| 1342 | const Standard_Real dV, |
| 1343 | Standard_Integer &isuopen, |
| 1344 | Standard_Integer &isvopen, |
| 1345 | Standard_Boolean &isDeg) |
| 1346 | { |
| 1347 | gp_XY vec; |
| 1348 | vec.SetX(0); |
| 1349 | vec.SetY(0); |
| 1350 | ShapeAnalysis_Edge sae; |
| 1351 | isDeg = Standard_True; |
| 1352 | for ( TopoDS_Iterator ed(wire); ed.More(); ed.Next() ) { |
| 1353 | TopoDS_Edge edge = TopoDS::Edge ( ed.Value() ); |
| 1354 | if ( ! BRep_Tool::Degenerated ( edge ) ) isDeg = Standard_False; |
| 1355 | Handle(Geom2d_Curve) c2d; |
| 1356 | Standard_Real f, l; |
| 1357 | if ( ! sae.PCurve ( edge, face, c2d, f, l, Standard_True ) ) |
| 1358 | return Standard_False; |
| 1359 | vec += c2d->Value(l).XY() - c2d->Value(f).XY(); |
| 1360 | } |
| 1361 | isuopen = ( Abs ( Abs ( vec.X() ) - dU ) < 0.1 * dU ? ( vec.X() >0 ? 1 : -1 ) : 0 ); |
| 1362 | isvopen = ( Abs ( Abs ( vec.Y() ) - dV ) < 0.1 * dV ? ( vec.Y() >0 ? 1 : -1 ) : 0 ); |
| 1363 | return isuopen || isvopen; |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | //======================================================================= |
| 1368 | //function : FixMissingSeam |
| 1369 | //purpose : |
| 1370 | //======================================================================= |
| 1371 | |
| 1372 | Standard_Boolean ShapeFix_Face::FixMissingSeam() |
| 1373 | { |
| 1374 | Standard_Boolean uclosed = mySurf->IsUClosed(); |
| 1375 | Standard_Boolean vclosed = mySurf->IsVClosed(); |
| 1376 | |
| 1377 | if ( ! uclosed && ! vclosed ) return Standard_False; |
| 1378 | |
| 1379 | if ( ! Context().IsNull() ) { |
| 1380 | TopoDS_Shape S = Context()->Apply ( myFace ); |
| 1381 | myFace = TopoDS::Face ( S ); |
| 1382 | } |
| 1383 | |
| 1384 | //%pdn: surface should be made periodic before (see ShapeCustom_Surface)! |
| 1385 | if (mySurf->Surface()->IsKind(STANDARD_TYPE (Geom_BSplineSurface))) { |
| 1386 | Handle (Geom_BSplineSurface) BSpl = Handle (Geom_BSplineSurface)::DownCast (mySurf->Surface()); |
| 1387 | if (!BSpl->IsUPeriodic() && !BSpl->IsVPeriodic()) |
| 1388 | return Standard_False; |
| 1389 | } |
| 1390 | |
| 1391 | Standard_Real URange, VRange, SUF, SUL, SVF, SVL; |
| 1392 | mySurf->Bounds ( SUF, SUL, SVF, SVL ); |
| 1393 | Standard_Real fU1,fU2,fV1,fV2; |
| 1394 | BRepTools::UVBounds(myFace,fU1,fU2,fV1,fV2); |
| 1395 | |
| 1396 | //pdn OCC55 fix to faces without the wires to avoid identical first and last parameters |
| 1397 | if ( ::Precision::IsInfinite ( SUF ) || ::Precision::IsInfinite ( SUL ) ) { |
| 1398 | if ( ::Precision::IsInfinite ( SUF ) ) SUF = fU1; |
| 1399 | if ( ::Precision::IsInfinite ( SUL ) ) SUL = fU2; |
| 1400 | if(Abs(SUL-SUF) < ::Precision::PConfusion()) |
| 1401 | if ( ::Precision::IsInfinite ( SUF ) ) SUF-=1000.; |
| 1402 | else SUL+=1000.; |
| 1403 | } |
| 1404 | if ( ::Precision::IsInfinite ( SVF ) || ::Precision::IsInfinite ( SVL ) ) { |
| 1405 | if ( ::Precision::IsInfinite ( SVF ) ) SVF = fV1; |
| 1406 | if ( ::Precision::IsInfinite ( SVL ) ) SVL = fV2; |
| 1407 | if(Abs(SVL-SVF) < ::Precision::PConfusion()) |
| 1408 | if ( ::Precision::IsInfinite ( SVF ) ) SVF-=1000.; |
| 1409 | else SVL+=1000.; |
| 1410 | } |
| 1411 | |
| 1412 | URange = Abs ( SUL - SUF ); |
| 1413 | VRange = Abs ( SVL - SVF ); |
| 1414 | // Standard_Real UTol = 0.2 * URange, VTol = 0.2 * VRange; |
| 1415 | Standard_Integer ismodeu = 0, ismodev = 0; //szv#4:S4163:12Mar99 was Boolean |
| 1416 | Standard_Integer isdeg1=0, isdeg2=0; |
| 1417 | |
| 1418 | TopTools_SequenceOfShape ws; |
| 1419 | TopTools_SequenceOfShape aSeqNonManif; |
| 1420 | for ( TopoDS_Iterator wi(myFace,Standard_False); wi.More(); wi.Next() ) { |
| 1421 | if(wi.Value().ShapeType() != TopAbs_WIRE || |
| 1422 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { |
| 1423 | aSeqNonManif.Append(wi.Value()); |
| 1424 | continue; |
| 1425 | } |
| 1426 | ws.Append ( wi.Value() ); |
| 1427 | } |
| 1428 | |
| 1429 | TopoDS_Wire w1, w2; |
| 1430 | Standard_Integer i; |
| 1431 | for ( i=1; i <= ws.Length(); i++ ) { |
| 1432 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); |
| 1433 | Standard_Integer isuopen, isvopen; |
| 1434 | Standard_Boolean isdeg; |
| 1435 | if ( ! CheckWire ( wire, myFace, URange, VRange, isuopen, isvopen, isdeg ) ) |
| 1436 | continue; |
| 1437 | if ( w1.IsNull() ) { w1 = wire; ismodeu = isuopen; ismodev = isvopen; isdeg1 = isdeg ? i : 0; } |
| 1438 | else if ( w2.IsNull() ) { |
| 1439 | if ( ismodeu == -isuopen && ismodev == -isvopen ) { w2 = wire; isdeg2 = isdeg ? i : 0; } |
| 1440 | else if ( ismodeu == isuopen && ismodev == isvopen ) { |
| 1441 | w2 = wire; |
| 1442 | isdeg2 = isdeg; |
| 1443 | //:abv 29.08.01: If wires are contraversal, reverse one of them |
| 1444 | // If first one is single degenerated edge, reverse it; else second |
| 1445 | if ( isdeg1 ) { |
| 1446 | w1.Reverse(); |
| 1447 | ismodeu = -ismodeu; |
| 1448 | ismodev = -ismodev; |
| 1449 | } |
| 1450 | else { |
| 1451 | w2.Reverse(); |
| 1452 | #ifdef DEB |
| 1453 | if ( ! isdeg2 ) cout << "Warning: ShapeFix_Face::FixMissingSeam(): wire reversed" << endl; |
| 1454 | #endif |
| 1455 | } |
| 1456 | } |
| 1457 | #ifdef DEB |
| 1458 | else cout << "Warning: ShapeFix_Face::FixMissingSeam(): incompatible open wires" << endl; |
| 1459 | #endif |
| 1460 | } |
| 1461 | // else return Standard_False; // abort |
| 1462 | else { |
| 1463 | #ifdef DEB |
| 1464 | cout << "Warning: ShapeFix_Face::FixMissingSeam(): more than two open wires detected!" << endl; |
| 1465 | #endif |
| 1466 | //:abv 30.08.09: if more than one open wires and more than two of them are |
| 1467 | // completely degenerated, remove any of them |
| 1468 | if ( isdeg || isdeg1 || isdeg2 ) { |
| 1469 | ws.Remove ( isdeg ? i : isdeg2 ? isdeg2 : isdeg1 ); |
| 1470 | w1.Nullify(); |
| 1471 | w2.Nullify(); |
| 1472 | i = 0; |
| 1473 | #ifdef DEB |
| 1474 | cout << "Warning: ShapeFix_Face::FixMissingSeam(): open degenerated wire removed" << endl; |
| 1475 | #endif |
| 1476 | continue; |
| 1477 | } |
| 1478 | } |
| 1479 | } |
| 1480 | |
| 1481 | BRep_Builder B; |
| 1482 | if ( w1.IsNull() ) return Standard_False; |
| 1483 | else if ( w2.IsNull() ) { |
| 1484 | // WARNING!!! Temporarily for spheres only: |
| 1485 | // If only one of wires limiting face on sphere is open in 2d, |
| 1486 | // this means that degenerated edge should be added to one of poles, and |
| 1487 | // then usual procedure applied |
| 1488 | if ( ismodeu && mySurf->Surface()->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ) { |
| 1489 | gp_Pnt2d p ( ( ismodeu < 0 ? 0. : 2.*M_PI ), ismodeu * 0.5 * M_PI ); |
| 1490 | gp_Dir2d d ( -ismodeu, 0. ); |
| 1491 | Handle(Geom2d_Line) line = new Geom2d_Line ( p, d ); |
| 1492 | TopoDS_Edge edge; |
| 1493 | B.MakeEdge ( edge ); |
| 1494 | B.Degenerated ( edge, Standard_True ); |
| 1495 | B.UpdateEdge ( edge, line, myFace, ::Precision::Confusion() ); |
| 1496 | B.Range ( edge, myFace, 0., 2*M_PI ); |
| 1497 | TopoDS_Vertex V; |
| 1498 | B.MakeVertex ( V, mySurf->Value ( p.X(), p.Y() ), ::Precision::Confusion() ); |
| 1499 | V.Orientation(TopAbs_FORWARD); |
| 1500 | B.Add(edge,V); |
| 1501 | V.Orientation(TopAbs_REVERSED); |
| 1502 | B.Add(edge,V); |
| 1503 | B.MakeWire ( w2 ); |
| 1504 | B.Add ( w2, edge ); |
| 1505 | ws.Append ( w2 ); |
| 1506 | } |
| 1507 | else return Standard_False; |
| 1508 | } |
| 1509 | |
| 1510 | // sort original wires |
| 1511 | Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire; |
| 1512 | sfw->SetFace ( myFace ); |
| 1513 | sfw->SetPrecision ( Precision() ); |
| 1514 | |
| 1515 | Handle(ShapeExtend_WireData) wd1 = new ShapeExtend_WireData ( w1 ); |
| 1516 | Handle(ShapeExtend_WireData) wd2 = new ShapeExtend_WireData ( w2 ); |
| 1517 | |
| 1518 | // sorting |
| 1519 | // Standard_Boolean degenerated = ( secondDeg != firstDeg ); |
| 1520 | // if ( ! degenerated ) { |
| 1521 | sfw->Load ( wd1 ); |
| 1522 | sfw->FixReorder(); |
| 1523 | // } |
| 1524 | sfw->Load ( wd2 ); |
| 1525 | sfw->FixReorder(); |
| 1526 | |
| 1527 | //:abv 29.08.01: reconstruct face taking into account reversing |
| 1528 | TopoDS_Shape dummy = myFace.EmptyCopied(); |
| 1529 | TopoDS_Face tmpF = TopoDS::Face ( dummy ); |
| 1530 | tmpF.Orientation ( TopAbs_FORWARD ); |
| 1531 | for ( i=1; i <= ws.Length(); i++ ) { |
| 1532 | TopoDS_Wire wire = TopoDS::Wire ( ws.Value(i) ); |
| 1533 | if ( wire.IsSame ( w1 ) ) wire = w1; |
| 1534 | else if ( wire.IsSame ( w2 ) ) wire = w2; |
| 1535 | B.Add ( tmpF, wire ); |
| 1536 | } |
| 1537 | tmpF.Orientation ( myFace.Orientation() ); |
| 1538 | |
| 1539 | Standard_Real uf=SUF, vf=SVF; |
| 1540 | |
| 1541 | // A special kind of FixShifted is necessary for torus-like |
| 1542 | // surfaces to adjust wires by period ALONG the missing SEAM direction |
| 1543 | // tr9_r0501-ug.stp #187640 |
| 1544 | if ( uclosed && vclosed ) { |
| 1545 | Standard_Integer coord = ( ismodeu ? 1 : 0 ); |
| 1546 | Standard_Integer isneg = ( ismodeu ? ismodeu : -ismodev ); |
| 1547 | Standard_Real period = ( ismodeu ? URange : VRange ); |
| 1548 | TopoDS_Shape S; |
| 1549 | Standard_Real m1[2][2], m2[2][2]; |
| 1550 | S = tmpF.EmptyCopied(); |
| 1551 | B.Add ( S, w1 ); |
| 1552 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m1[0][0], m1[0][1], m1[1][0], m1[1][1]); |
| 1553 | S = tmpF.EmptyCopied(); |
| 1554 | B.Add ( S, w2 ); |
| 1555 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); |
| 1556 | Standard_Real shiftw2 = |
| 1557 | ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), |
| 1558 | 0.5 * ( m1[coord][0] + m1[coord][1] + |
| 1559 | isneg * ( period + ::Precision::PConfusion() ) ), |
| 1560 | period ); |
| 1561 | m1[coord][0] = Min ( m1[coord][0], m2[coord][0] + shiftw2 ); |
| 1562 | m1[coord][1] = Max ( m1[coord][1], m2[coord][1] + shiftw2 ); |
| 1563 | for ( TopoDS_Iterator it(tmpF,Standard_False); it.More(); it.Next() ) { |
| 1564 | if(it.Value().ShapeType() != TopAbs_WIRE) |
| 1565 | continue; |
| 1566 | TopoDS_Wire w = TopoDS::Wire ( it.Value() ); |
| 1567 | if ( w == w1 ) continue; |
| 1568 | Standard_Real shift; |
| 1569 | if ( w == w2 ) shift = shiftw2; |
| 1570 | else { |
| 1571 | S = tmpF.EmptyCopied(); |
| 1572 | B.Add ( S, w ); |
| 1573 | ShapeAnalysis::GetFaceUVBounds (TopoDS::Face(S), m2[0][0], m2[0][1], m2[1][0], m2[1][1]); |
| 1574 | shift = ShapeAnalysis::AdjustByPeriod ( 0.5 * ( m2[coord][0] + m2[coord][1] ), |
| 1575 | 0.5 * ( m1[coord][0] + m1[coord][1] ), period ); |
| 1576 | } |
| 1577 | if ( shift != 0. ) { |
| 1578 | gp_Vec2d V(0.,0.); |
| 1579 | V.SetCoord ( coord+1, shift ); |
| 1580 | ShapeAnalysis_Edge sae; |
| 1581 | for ( TopoDS_Iterator iw(w); iw.More(); iw.Next() ) { |
| 1582 | TopoDS_Edge E = TopoDS::Edge ( iw.Value() ); |
| 1583 | Handle(Geom2d_Curve) C; |
| 1584 | Standard_Real a, b; |
| 1585 | if ( ! sae.PCurve ( E, tmpF, C, a, b ) ) continue; |
| 1586 | C->Translate ( V ); |
| 1587 | } |
| 1588 | } |
| 1589 | } |
| 1590 | // abv 05 Feb 02: OCC34 |
| 1591 | // by the way, select proper split place by V to avoid extra intersections |
| 1592 | if ( m1[coord][1] - m1[coord][0] <= period ) { |
| 1593 | Standard_Real other = 0.5 * ( m1[coord][0] + m1[coord][1] - period ); |
| 1594 | if ( ismodeu ) vf = other; |
| 1595 | else uf = other; |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | // find the best place by u and v to insert a seam |
| 1600 | // (so as to minimize splitting edges as possible) |
| 1601 | ShapeAnalysis_Edge sae; |
| 1602 | Standard_Integer foundU=0, foundV=0; |
| 1603 | Standard_Integer nb1 = wd1->NbEdges(); |
| 1604 | Standard_Integer nb2 = wd2->NbEdges(); |
| 1605 | for ( Standard_Integer i1 = 1; i1 <= nb1 + nb2; i1++ ) { |
| 1606 | TopoDS_Edge edge1 = ( i1 <= nb1 ? wd1->Edge ( i1 ) : wd2->Edge ( i1-nb1 ) ); |
| 1607 | Handle(Geom2d_Curve) c2d; |
| 1608 | Standard_Real f, l; |
| 1609 | if ( ! sae.PCurve ( edge1, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; |
| 1610 | gp_Pnt2d pos1 = c2d->Value(l).XY(); |
| 1611 | // the best place is end of edge which is nearest to 0 |
| 1612 | Standard_Boolean skipU = ! uclosed; |
| 1613 | if ( uclosed && ismodeu ) { |
| 1614 | pos1.SetX ( pos1.X() + ShapeAnalysis::AdjustByPeriod ( pos1.X(), SUF, URange ) ); |
| 1615 | if ( foundU ==2 && Abs ( pos1.X() ) > Abs(uf) ) skipU = Standard_True; |
| 1616 | else if ( ! foundU || ( foundU ==1 && Abs ( pos1.X() ) < Abs(uf) ) ) { |
| 1617 | foundU = 1; |
| 1618 | uf = pos1.X(); |
| 1619 | } |
| 1620 | } |
| 1621 | Standard_Boolean skipV = ! vclosed; |
| 1622 | if ( vclosed && ! ismodeu ) { |
| 1623 | pos1.SetY ( pos1.Y() + ShapeAnalysis::AdjustByPeriod ( pos1.Y(), SVF, URange ) ); |
| 1624 | if ( foundV ==2 && Abs ( pos1.Y() ) > Abs(vf) ) skipV = Standard_True; |
| 1625 | else if ( ! foundV || ( foundV ==1 && Abs ( pos1.Y() ) < Abs(vf) ) ) { |
| 1626 | foundV = 1; |
| 1627 | vf = pos1.Y(); |
| 1628 | } |
| 1629 | } |
| 1630 | if ( skipU && skipV ) |
| 1631 | if ( i1 <= nb1 ) continue; |
| 1632 | else break; |
| 1633 | // or yet better - if it is end of some edges on both wires |
| 1634 | for ( Standard_Integer i2 = 1; i1 <= nb1 && i2 <= nb2; i2++ ) { |
| 1635 | TopoDS_Edge edge2 = wd2->Edge ( i2 ); |
| 1636 | if ( ! sae.PCurve ( edge2, tmpF, c2d, f, l, Standard_True ) ) return Standard_False; |
| 1637 | gp_Pnt2d pos2 = c2d->Value(f).XY(); |
| 1638 | if ( uclosed && ismodeu ) { |
| 1639 | pos2.SetX ( pos2.X() + ShapeAnalysis::AdjustByPeriod ( pos2.X(), pos1.X(), URange ) ); |
| 1640 | if ( Abs ( pos2.X() - pos1.X() ) < ::Precision::PConfusion() && |
| 1641 | ( foundU != 2 || Abs ( pos1.X() ) < Abs ( uf ) ) ) { |
| 1642 | foundU = 2; |
| 1643 | uf = pos1.X(); |
| 1644 | } |
| 1645 | } |
| 1646 | if ( vclosed && ! ismodeu ) { |
| 1647 | pos2.SetY ( pos2.Y() + ShapeAnalysis::AdjustByPeriod ( pos2.Y(), pos1.Y(), VRange ) ); |
| 1648 | if ( Abs ( pos2.Y() - pos1.Y() ) < ::Precision::PConfusion() && |
| 1649 | ( foundV != 2 || Abs ( pos1.Y() ) < Abs ( vf ) ) ) { |
| 1650 | foundV = 2; |
| 1651 | vf = pos1.Y(); |
| 1652 | } |
| 1653 | } |
| 1654 | } |
| 1655 | } |
| 1656 | |
| 1657 | //pdn fixing RTS on offsets |
| 1658 | if ( uf < SUF || uf > SUL ) |
| 1659 | uf+=ShapeAnalysis::AdjustToPeriod(uf,SUF,SUF+URange); |
| 1660 | if ( vf < SVF || vf > SVL ) |
| 1661 | vf+=ShapeAnalysis::AdjustToPeriod(vf,SVF,SVF+VRange); |
| 1662 | |
| 1663 | // Create fictive grid and call ComposeShell to insert a seam |
| 1664 | Handle(Geom_RectangularTrimmedSurface) RTS = |
| 1665 | new Geom_RectangularTrimmedSurface ( mySurf->Surface(), uf, uf+URange, vf, vf+VRange ); |
| 1666 | Handle(TColGeom_HArray2OfSurface) grid = new TColGeom_HArray2OfSurface ( 1, 1, 1, 1 ); |
| 1667 | grid->SetValue ( 1, 1, RTS ); //mySurf->Surface() ); |
| 1668 | Handle(ShapeExtend_CompositeSurface) G = new ShapeExtend_CompositeSurface ( grid ); |
| 1669 | TopLoc_Location L; |
| 1670 | |
| 1671 | //addition non-manifold topology |
| 1672 | Standard_Integer j=1; |
| 1673 | for( ; j <= aSeqNonManif.Length(); j++) |
| 1674 | B.Add(tmpF,aSeqNonManif.Value(j)); |
| 1675 | |
| 1676 | ShapeFix_ComposeShell CompShell; |
| 1677 | // TopoDS_Face tmpF = myFace; |
| 1678 | // tmpF.Orientation(TopAbs_FORWARD); |
| 1679 | CompShell.Init ( G, L, tmpF, ::Precision::Confusion() );//myPrecision |
| 1680 | if ( Context().IsNull() ) SetContext ( new ShapeBuild_ReShape ); |
| 1681 | CompShell.ClosedMode() = Standard_True; |
| 1682 | CompShell.SetContext( Context() ); |
| 1683 | CompShell.SetMaxTolerance(MaxTolerance()); |
| 1684 | CompShell.Perform(); |
| 1685 | |
| 1686 | // abv 03.07.00: CAX-IF TRJ4: trj4_k1_goe-tu-214.stp: #785: reset mySurf |
| 1687 | mySurf = new ShapeAnalysis_Surface ( RTS ); |
| 1688 | |
| 1689 | myResult = CompShell.Result(); |
| 1690 | // if ( myFace.Orientation() == TopAbs_REVERSED ) res.Reverse(); |
| 1691 | Context()->Replace ( myFace, myResult ); |
| 1692 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { |
| 1693 | myFace = TopoDS::Face ( exp.Current() ); |
| 1694 | BRepTools::Update(myFace); //:p4 |
| 1695 | } |
| 1696 | |
| 1697 | SendWarning ( Message_Msg ( "FixAdvFace.FixMissingSeam.MSG0" ) );// Missing seam-edge added |
| 1698 | return Standard_True; |
| 1699 | } |
| 1700 | |
| 1701 | //======================================================================= |
| 1702 | //function : FixSmallAreaWire |
| 1703 | //purpose : |
| 1704 | //======================================================================= |
| 1705 | |
| 1706 | //%14 pdn 24.02.99 PRO10109, USA60293 fix wire on face with small area. |
| 1707 | Standard_Boolean ShapeFix_Face::FixSmallAreaWire() |
| 1708 | { |
| 1709 | if ( ! Context().IsNull() ) { |
| 1710 | TopoDS_Shape S = Context()->Apply ( myFace ); |
| 1711 | myFace = TopoDS::Face ( S ); |
| 1712 | } |
| 1713 | |
| 1714 | //smh#8 |
| 1715 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); |
| 1716 | TopoDS_Face face = TopoDS::Face (emptyCopied); |
| 1717 | Standard_Integer nbRemoved = 0, nbWires = 0; |
| 1718 | BRep_Builder B; |
| 1719 | Standard_Real prec = ::Precision::PConfusion()*100; |
| 1720 | for (TopoDS_Iterator wi (myFace, Standard_False); wi.More(); wi.Next()) { |
| 1721 | if(wi.Value().ShapeType() != TopAbs_WIRE && |
| 1722 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) |
| 1723 | continue; |
| 1724 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); |
| 1725 | Handle(ShapeAnalysis_Wire) saw = new ShapeAnalysis_Wire(wire,myFace,prec); |
| 1726 | if ( saw->CheckSmallArea(prec) ) |
| 1727 | { |
| 1728 | SendWarning ( wire, Message_Msg ("FixAdvFace.FixSmallAreaWire.MSG0") );// Null area wire detected, wire skipped |
| 1729 | nbRemoved++; |
| 1730 | } |
| 1731 | else |
| 1732 | { |
| 1733 | B.Add(face,wire); |
| 1734 | nbWires++; |
| 1735 | } |
| 1736 | } |
| 1737 | if ( nbRemoved <=0 ) return Standard_False; |
| 1738 | |
| 1739 | if ( nbWires <=0 ) { |
| 1740 | #ifdef DEB |
| 1741 | cout << "Warning: ShapeFix_Face: All wires on a face have small area; left untouched" << endl; |
| 1742 | #endif |
| 1743 | return Standard_False; |
| 1744 | } |
| 1745 | #ifdef DEB |
| 1746 | cout << "Warning: ShapeFix_Face: " << nbRemoved << " small area wire(s) removed" << endl; |
| 1747 | #endif |
| 1748 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, face ); |
| 1749 | myFace = face; |
| 1750 | return Standard_True; |
| 1751 | } |
| 1752 | //======================================================================= |
| 1753 | //function : FixLoopWire |
| 1754 | //purpose : |
| 1755 | //======================================================================= |
| 1756 | static void FindNext(const TopoDS_Shape& aVert, |
| 1757 | const TopoDS_Shape& ainitEdge, |
| 1758 | TopTools_IndexedMapOfShape& aMapVertices, |
| 1759 | TopTools_DataMapOfShapeListOfShape& aMapVertexEdges, |
| 1760 | const TopTools_MapOfShape& aMapSmallEdges, |
| 1761 | const TopTools_MapOfShape& aMapSeemEdges, |
| 1762 | TopTools_MapOfShape& aMapEdges, |
| 1763 | Handle(ShapeExtend_WireData)& aWireData) |
| 1764 | { |
| 1765 | TopoDS_Iterator aItV(ainitEdge); |
| 1766 | TopoDS_Shape anextVert = aVert; |
| 1767 | Standard_Boolean isFind = Standard_False; |
| 1768 | for( ; aItV.More() && !isFind; aItV.Next()) |
| 1769 | { |
| 1770 | if(!aItV.Value().IsSame(aVert) ) { |
| 1771 | isFind = Standard_True; |
| 1772 | anextVert = aItV.Value(); |
| 1773 | |
| 1774 | } |
| 1775 | } |
| 1776 | |
| 1777 | if(!isFind && !aMapSmallEdges.Contains(ainitEdge)) |
| 1778 | return; |
| 1779 | if(isFind && aMapVertices.Contains(anextVert)) |
| 1780 | return; |
| 1781 | |
| 1782 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(anextVert); |
| 1783 | TopTools_ListIteratorOfListOfShape liter(aledges); |
| 1784 | isFind = Standard_False; |
| 1785 | TopoDS_Shape anextEdge; |
| 1786 | for( ; liter.More() && !isFind; liter.Next()) |
| 1787 | { |
| 1788 | if(!aMapEdges.Contains(liter.Value()) && !liter.Value().IsSame(ainitEdge)) { |
| 1789 | anextEdge = liter.Value(); |
| 1790 | aWireData->Add(anextEdge); |
| 1791 | if(aMapSeemEdges.Contains(anextEdge)) |
| 1792 | aWireData->Add(anextEdge.Reversed()); |
| 1793 | isFind = Standard_True; |
| 1794 | aMapEdges.Add(anextEdge); |
| 1795 | FindNext(anextVert,anextEdge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); |
| 1796 | } |
| 1797 | } |
| 1798 | return; |
| 1799 | } |
| 1800 | |
| 1801 | static Standard_Boolean isClosed2D(const TopoDS_Face& aFace,const TopoDS_Wire& aWire) |
| 1802 | { |
| 1803 | Standard_Boolean isClosed = Standard_True; |
| 1804 | Handle(ShapeAnalysis_Wire) asaw = new ShapeAnalysis_Wire(aWire,aFace,Precision::Confusion()); |
| 1805 | for (Standard_Integer i = 1; i <= asaw->NbEdges() && isClosed; i++) { |
| 1806 | TopoDS_Edge edge1 = asaw->WireData()->Edge(i); |
| 1807 | //checking that wire is closed in 2D space with tolerance of vertex. |
| 1808 | ShapeAnalysis_Edge sae; |
| 1809 | TopoDS_Vertex v1 = sae.FirstVertex(edge1); |
| 1810 | asaw->SetPrecision(BRep_Tool::Tolerance(v1)); |
| 1811 | asaw->CheckGap2d(i); |
| 1812 | isClosed = (asaw->LastCheckStatus(ShapeExtend_OK)); |
| 1813 | |
| 1814 | } |
| 1815 | return isClosed; |
| 1816 | } |
| 1817 | |
| 1818 | //======================================================================= |
| 1819 | //function : FixLoopWire |
| 1820 | //purpose : |
| 1821 | //======================================================================= |
| 1822 | |
| 1823 | Standard_Boolean ShapeFix_Face::FixLoopWire(TopTools_SequenceOfShape& aResWires) |
| 1824 | { |
| 1825 | TopTools_IndexedMapOfShape aMapVertices; |
| 1826 | TopTools_DataMapOfShapeListOfShape aMapVertexEdges; |
| 1827 | TopTools_MapOfShape aMapSmallEdges; |
| 1828 | TopTools_MapOfShape aMapSeemEdges; |
| 1829 | if(!FixWireTool()->Analyzer()->CheckLoop(aMapVertices, aMapVertexEdges,aMapSmallEdges,aMapSeemEdges)) |
| 1830 | return Standard_False; |
| 1831 | |
| 1832 | |
| 1833 | TopTools_MapOfShape aMapEdges; |
| 1834 | TopTools_SequenceOfShape aSeqWires; |
| 1835 | |
| 1836 | //collecting wires from common vertex belonging more than 2 edges |
| 1837 | Standard_Integer i =1; |
| 1838 | for( ; i <= aMapVertices.Extent(); i++) { |
| 1839 | TopoDS_Shape aVert = aMapVertices.FindKey(i); |
| 1840 | const TopTools_ListOfShape& aledges = aMapVertexEdges.Find(aVert); |
| 1841 | TopTools_ListIteratorOfListOfShape liter(aledges); |
| 1842 | for( ; liter.More(); liter.Next()) |
| 1843 | { |
| 1844 | TopoDS_Edge Edge = TopoDS::Edge(liter.Value()); |
| 1845 | if(aMapEdges.Contains(Edge)) |
| 1846 | continue; |
| 1847 | |
| 1848 | Handle(ShapeExtend_WireData) aWireData = new ShapeExtend_WireData; |
| 1849 | aWireData->Add(Edge); |
| 1850 | if(aMapSeemEdges.Contains(Edge)) |
| 1851 | aWireData->Add(Edge.Reversed()); |
| 1852 | aMapEdges.Add(Edge); |
| 1853 | FindNext(aVert,Edge,aMapVertices,aMapVertexEdges,aMapSmallEdges,aMapSeemEdges,aMapEdges,aWireData); |
| 1854 | if(aWireData->NbEdges() ==1 && aMapSmallEdges.Contains(aWireData->Edge(1))) |
| 1855 | continue; |
| 1856 | TopoDS_Vertex aV1,aV2; |
| 1857 | TopoDS_Wire aWire = aWireData->Wire(); |
| 1858 | TopExp::Vertices(aWire,aV1,aV2); |
| 1859 | |
| 1860 | if(aV1.IsSame(aV2)) { |
| 1861 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); |
| 1862 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; |
| 1863 | asfw->Load(asewd); |
| 1864 | asfw->FixReorder(); |
| 1865 | TopoDS_Wire awire2 = asfw->Wire(); |
| 1866 | aResWires.Append(awire2); |
| 1867 | |
| 1868 | } |
| 1869 | else aSeqWires.Append(aWireData->Wire()); |
| 1870 | } |
| 1871 | } |
| 1872 | |
| 1873 | |
| 1874 | if(aSeqWires.Length() ==1) { |
| 1875 | aResWires.Append(aSeqWires.Value(1)); |
| 1876 | } |
| 1877 | else { |
| 1878 | //collecting whole wire from two not closed wires having two common vertices. |
| 1879 | for( i =1; i <= aSeqWires.Length(); i++) { |
| 1880 | TopoDS_Vertex aV1,aV2; |
| 1881 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); |
| 1882 | TopExp::Vertices(aWire,aV1,aV2); |
| 1883 | Standard_Integer j = i+1; |
| 1884 | for( ; j <= aSeqWires.Length(); j++) |
| 1885 | { |
| 1886 | TopoDS_Vertex aV21,aV22; |
| 1887 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); |
| 1888 | TopExp::Vertices(aWire2,aV21,aV22); |
| 1889 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) && (aV2.IsSame(aV21) || aV2.IsSame(aV22))) |
| 1890 | { |
| 1891 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); |
| 1892 | asewd->Add(aWire2); |
| 1893 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; |
| 1894 | asfw->Load(asewd); |
| 1895 | asfw->FixReorder(); |
| 1896 | aResWires.Append(asfw->Wire()); |
| 1897 | aSeqWires.Remove(j--); |
| 1898 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 1899 | break; |
| 1900 | } |
| 1901 | |
| 1902 | } |
| 1903 | if(j <= aSeqWires.Length()) |
| 1904 | aSeqWires.Remove(i--); |
| 1905 | |
| 1906 | } |
| 1907 | if(aSeqWires.Length()<3) { |
| 1908 | for( i =1; i <= aSeqWires.Length(); i++) |
| 1909 | aResWires.Append(aSeqWires.Value(i)); |
| 1910 | |
| 1911 | } |
| 1912 | else { |
| 1913 | //collecting wires having one common vertex |
| 1914 | for( i =1; i <= aSeqWires.Length(); i++) { |
| 1915 | TopoDS_Vertex aV1,aV2; |
| 1916 | TopoDS_Wire aWire = TopoDS::Wire(aSeqWires.Value(i)); |
| 1917 | TopExp::Vertices(aWire,aV1,aV2); |
| 1918 | Standard_Integer j =i+1; |
| 1919 | for( ; j <= aSeqWires.Length(); j++) |
| 1920 | { |
| 1921 | TopoDS_Vertex aV21,aV22; |
| 1922 | TopoDS_Wire aWire2 = TopoDS::Wire(aSeqWires.Value(j)); |
| 1923 | TopExp::Vertices(aWire2,aV21,aV22); |
| 1924 | if((aV1.IsSame(aV21) || aV1.IsSame(aV22)) || (aV2.IsSame(aV21) || aV2.IsSame(aV22))) |
| 1925 | { |
| 1926 | Handle(ShapeExtend_WireData) asewd = new ShapeExtend_WireData(aWire); |
| 1927 | asewd->Add(aWire2); |
| 1928 | Handle(ShapeFix_Wire) asfw = new ShapeFix_Wire; |
| 1929 | asfw->Load(asewd); |
| 1930 | asfw->FixReorder(); |
| 1931 | aWire = asfw->Wire(); |
| 1932 | TopExp::Vertices(aWire,aV1,aV2); |
| 1933 | aSeqWires.Remove(j--); |
| 1934 | myStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 1935 | } |
| 1936 | } |
| 1937 | aResWires.Append(aWire); |
| 1938 | |
| 1939 | } |
| 1940 | } |
| 1941 | } |
| 1942 | Standard_Boolean isClosed = Standard_True; |
| 1943 | |
| 1944 | //checking that obtained wires is closed in 2D space |
| 1945 | if (mySurf->Adaptor3d()->GetType() != GeomAbs_Plane) { |
| 1946 | |
| 1947 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); |
| 1948 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); |
| 1949 | tmpFace.Orientation ( TopAbs_FORWARD ); |
| 1950 | |
| 1951 | for(i =1; i <= aResWires.Length() && isClosed; i++) { |
| 1952 | TopoDS_Wire awire = TopoDS::Wire(aResWires.Value(i)); |
| 1953 | isClosed = isClosed2D(tmpFace,awire); |
| 1954 | } |
| 1955 | } |
| 1956 | |
| 1957 | Standard_Boolean isDone =(aResWires.Length() && isClosed); |
| 1958 | if(isDone && aResWires.Length() >1) |
| 1959 | { |
| 1960 | #ifdef DEBUG |
| 1961 | cout<<"Wire was splitted on "<<aResWires.Length()<<" wires"<< endl; |
| 1962 | #endif |
| 1963 | } |
| 1964 | |
| 1965 | return isDone; |
| 1966 | } |
| 1967 | |
| 1968 | //======================================================================= |
| 1969 | //function : SplitEdge |
| 1970 | //purpose : |
| 1971 | //======================================================================= |
| 1972 | |
| 1973 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, |
| 1974 | const Standard_Integer num, |
| 1975 | const Standard_Real param, |
| 1976 | const TopoDS_Vertex& vert, |
| 1977 | const Standard_Real preci, |
| 1978 | ShapeFix_DataMapOfShapeBox2d& boxes) |
| 1979 | { |
| 1980 | TopoDS_Edge edge = sewd->Edge(num); |
| 1981 | TopoDS_Edge newE1, newE2; |
| 1982 | ShapeFix_SplitTool aTool; |
| 1983 | if(aTool.SplitEdge(edge,param,vert,myFace,newE1,newE2,preci,0.01*preci)) { |
| 1984 | // change context |
| 1985 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; |
| 1986 | wd->Add(newE1); |
| 1987 | wd->Add(newE2); |
| 1988 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); |
| 1989 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { |
| 1990 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); |
| 1991 | BRepTools::Update(E); |
| 1992 | } |
| 1993 | |
| 1994 | // for ( Standard_Integer i=1; i <= sewd->NbEdges(); i++ ) { |
| 1995 | // TopoDS_Edge E = sewd->Edge(i); |
| 1996 | // TopoDS_Shape S = Context()->Apply ( E ); |
| 1997 | // if ( S == E ) continue; |
| 1998 | // for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() ) |
| 1999 | // sewd->Add ( exp.Current(), i++ ); |
| 2000 | // sewd->Remove ( i-- ); |
| 2001 | // } |
| 2002 | |
| 2003 | // change sewd and boxes |
| 2004 | sewd->Set(newE1,num); |
| 2005 | if(num==sewd->NbEdges()) |
| 2006 | sewd->Add(newE2); |
| 2007 | else |
| 2008 | sewd->Add(newE2,num+1); |
| 2009 | |
| 2010 | boxes.UnBind(edge); |
| 2011 | TopLoc_Location L; |
| 2012 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); |
| 2013 | Handle(Geom2d_Curve) c2d; |
| 2014 | Standard_Real cf,cl; |
| 2015 | ShapeAnalysis_Edge sae; |
| 2016 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { |
| 2017 | Bnd_Box2d box; |
| 2018 | Geom2dAdaptor_Curve gac; |
| 2019 | Standard_Real aFirst = c2d->FirstParameter(); |
| 2020 | Standard_Real aLast = c2d->LastParameter(); |
| 2021 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
| 2022 | && (cf < aFirst || cl > aLast)) { |
| 2023 | //pdn avoiding problems with segment in Bnd_Box |
| 2024 | gac.Load(c2d); |
| 2025 | } |
| 2026 | else |
| 2027 | gac.Load(c2d,cf,cl); |
| 2028 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
| 2029 | boxes.Bind(newE1,box); |
| 2030 | } |
| 2031 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { |
| 2032 | Bnd_Box2d box; |
| 2033 | Geom2dAdaptor_Curve gac; |
| 2034 | Standard_Real aFirst = c2d->FirstParameter(); |
| 2035 | Standard_Real aLast = c2d->LastParameter(); |
| 2036 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
| 2037 | && (cf < aFirst || cl > aLast)) { |
| 2038 | //pdn avoiding problems with segment in Bnd_Box |
| 2039 | gac.Load(c2d); |
| 2040 | } |
| 2041 | else |
| 2042 | gac.Load(c2d,cf,cl); |
| 2043 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
| 2044 | boxes.Bind(newE2,box); |
| 2045 | } |
| 2046 | return Standard_True; |
| 2047 | } |
| 2048 | return Standard_False; |
| 2049 | } |
| 2050 | |
| 2051 | |
| 2052 | //======================================================================= |
| 2053 | //function : SplitEdge |
| 2054 | //purpose : |
| 2055 | //======================================================================= |
| 2056 | |
| 2057 | Standard_Boolean ShapeFix_Face::SplitEdge(const Handle(ShapeExtend_WireData)& sewd, |
| 2058 | const Standard_Integer num, |
| 2059 | const Standard_Real param1, |
| 2060 | const Standard_Real param2, |
| 2061 | const TopoDS_Vertex& vert, |
| 2062 | const Standard_Real preci, |
| 2063 | ShapeFix_DataMapOfShapeBox2d& boxes) |
| 2064 | { |
| 2065 | TopoDS_Edge edge = sewd->Edge(num); |
| 2066 | TopoDS_Edge newE1, newE2; |
| 2067 | ShapeFix_SplitTool aTool; |
| 2068 | if(aTool.SplitEdge(edge,param1,param2,vert,myFace,newE1,newE2,preci,0.01*preci)) { |
| 2069 | // change context |
| 2070 | Handle(ShapeExtend_WireData) wd = new ShapeExtend_WireData; |
| 2071 | wd->Add(newE1); |
| 2072 | wd->Add(newE2); |
| 2073 | if(!Context().IsNull()) Context()->Replace( edge, wd->Wire() ); |
| 2074 | for (TopExp_Explorer exp ( wd->Wire(), TopAbs_EDGE ); exp.More(); exp.Next() ) { |
| 2075 | TopoDS_Edge E = TopoDS::Edge ( exp.Current() ); |
| 2076 | BRepTools::Update(E); |
| 2077 | } |
| 2078 | |
| 2079 | // change sewd and boxes |
| 2080 | sewd->Set(newE1,num); |
| 2081 | if(num==sewd->NbEdges()) |
| 2082 | sewd->Add(newE2); |
| 2083 | else |
| 2084 | sewd->Add(newE2,num+1); |
| 2085 | |
| 2086 | boxes.UnBind(edge); |
| 2087 | TopLoc_Location L; |
| 2088 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(myFace,L); |
| 2089 | Handle(Geom2d_Curve) c2d; |
| 2090 | Standard_Real cf,cl; |
| 2091 | ShapeAnalysis_Edge sae; |
| 2092 | if(sae.PCurve(newE1,S,L,c2d,cf,cl,Standard_False)) { |
| 2093 | Bnd_Box2d box; |
| 2094 | Geom2dAdaptor_Curve gac; |
| 2095 | Standard_Real aFirst = c2d->FirstParameter(); |
| 2096 | Standard_Real aLast = c2d->LastParameter(); |
| 2097 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
| 2098 | && (cf < aFirst || cl > aLast)) { |
| 2099 | //pdn avoiding problems with segment in Bnd_Box |
| 2100 | gac.Load(c2d); |
| 2101 | } |
| 2102 | else |
| 2103 | gac.Load(c2d,cf,cl); |
| 2104 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
| 2105 | boxes.Bind(newE1,box); |
| 2106 | } |
| 2107 | if(sae.PCurve(newE2,S,L,c2d,cf,cl,Standard_False)) { |
| 2108 | Bnd_Box2d box; |
| 2109 | Geom2dAdaptor_Curve gac; |
| 2110 | Standard_Real aFirst = c2d->FirstParameter(); |
| 2111 | Standard_Real aLast = c2d->LastParameter(); |
| 2112 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
| 2113 | && (cf < aFirst || cl > aLast)) { |
| 2114 | //pdn avoiding problems with segment in Bnd_Box |
| 2115 | gac.Load(c2d); |
| 2116 | } |
| 2117 | else |
| 2118 | gac.Load(c2d,cf,cl); |
| 2119 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
| 2120 | boxes.Bind(newE2,box); |
| 2121 | } |
| 2122 | return Standard_True; |
| 2123 | } |
| 2124 | return Standard_False; |
| 2125 | } |
| 2126 | |
| 2127 | |
| 2128 | //======================================================================= |
| 2129 | //function : FixIntersectingWires |
| 2130 | //purpose : |
| 2131 | //======================================================================= |
| 2132 | |
| 2133 | Standard_Boolean ShapeFix_Face::FixIntersectingWires() |
| 2134 | { |
| 2135 | ShapeFix_IntersectionTool ITool(Context(),Precision(),MaxTolerance()); |
| 2136 | return ITool.FixIntersectingWires(myFace); |
| 2137 | } |
| 2138 | |
| 2139 | |
| 2140 | //======================================================================= |
| 2141 | //function : FixWiresTwoCoincEdges |
| 2142 | //purpose : |
| 2143 | //======================================================================= |
| 2144 | |
| 2145 | Standard_Boolean ShapeFix_Face::FixWiresTwoCoincEdges() |
| 2146 | { |
| 2147 | if ( ! Context().IsNull() ) { |
| 2148 | TopoDS_Shape S = Context()->Apply ( myFace ); |
| 2149 | myFace = TopoDS::Face ( S ); |
| 2150 | } |
| 2151 | |
| 2152 | TopAbs_Orientation ori = myFace.Orientation(); |
| 2153 | TopoDS_Shape emptyCopied = myFace.EmptyCopied(); |
| 2154 | TopoDS_Face face = TopoDS::Face (emptyCopied); |
| 2155 | face.Orientation(TopAbs_FORWARD); |
| 2156 | Standard_Integer nbWires = 0; |
| 2157 | BRep_Builder B; |
| 2158 | |
| 2159 | for (TopoDS_Iterator it (myFace, Standard_False); it.More(); it.Next()) { |
| 2160 | if(it.Value().ShapeType() != TopAbs_WIRE || |
| 2161 | (it.Value().Orientation() != TopAbs_FORWARD && it.Value().Orientation() != TopAbs_REVERSED)) { |
| 2162 | continue; |
| 2163 | } |
| 2164 | nbWires++; |
| 2165 | } |
| 2166 | if(nbWires<2) return Standard_False; |
| 2167 | Standard_Boolean isFixed = Standard_False; |
| 2168 | for (TopoDS_Iterator wi (myFace, Standard_False); wi.More(); wi.Next()) { |
| 2169 | if(wi.Value().ShapeType() != TopAbs_WIRE || |
| 2170 | (wi.Value().Orientation() != TopAbs_FORWARD && wi.Value().Orientation() != TopAbs_REVERSED)) { |
| 2171 | B.Add(face,wi.Value()); |
| 2172 | continue; |
| 2173 | } |
| 2174 | TopoDS_Wire wire = TopoDS::Wire ( wi.Value() ); |
| 2175 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); |
| 2176 | if(sewd->NbEdges()==2) { |
| 2177 | TopoDS_Edge E1 = sewd->Edge(1); |
| 2178 | TopoDS_Edge E2 = sewd->Edge(2); |
| 2179 | E1.Orientation(TopAbs_FORWARD); |
| 2180 | E2.Orientation(TopAbs_FORWARD); |
| 2181 | if( !(E1==E2) ) { |
| 2182 | B.Add(face,wire); |
| 2183 | } |
| 2184 | else isFixed = Standard_True; |
| 2185 | } |
| 2186 | else { |
| 2187 | B.Add(face,wire); |
| 2188 | } |
| 2189 | } |
| 2190 | if(isFixed) { |
| 2191 | face.Orientation(ori); |
| 2192 | if ( ! Context().IsNull() ) Context()->Replace ( myFace, face ); |
| 2193 | myFace = face; |
| 2194 | } |
| 2195 | |
| 2196 | return isFixed; |
| 2197 | } |
| 2198 | |
| 2199 | |
| 2200 | //======================================================================= |
| 2201 | //function : FixSplitFace |
| 2202 | //purpose : |
| 2203 | //======================================================================= |
| 2204 | |
| 2205 | Standard_Boolean ShapeFix_Face::FixSplitFace(const TopTools_DataMapOfShapeListOfShape &MapWires) |
| 2206 | { |
| 2207 | BRep_Builder B; |
| 2208 | TopTools_SequenceOfShape faces; |
| 2209 | TopoDS_Shape S = myFace; |
| 2210 | if ( ! Context().IsNull() ) |
| 2211 | S = Context()->Apply ( myFace ); |
| 2212 | Standard_Integer NbWires=0, NbWiresNew=0; |
| 2213 | for(TopoDS_Iterator iter(S,Standard_False); iter.More(); iter.Next()) { |
| 2214 | if(iter.Value().ShapeType() != TopAbs_WIRE || |
| 2215 | (iter.Value().Orientation() != TopAbs_FORWARD && iter.Value().Orientation() != TopAbs_REVERSED)) |
| 2216 | continue; |
| 2217 | TopoDS_Wire wire = TopoDS::Wire ( iter.Value() ); |
| 2218 | NbWires++; |
| 2219 | if(MapWires.IsBound(wire)) { |
| 2220 | // if wire not closed --> stop split and return false |
| 2221 | Handle(ShapeExtend_WireData) sewd = new ShapeExtend_WireData(wire); |
| 2222 | TopoDS_Edge E1 = sewd->Edge(1); |
| 2223 | TopoDS_Edge E2 = sewd->Edge(sewd->NbEdges()); |
| 2224 | TopoDS_Vertex V1,V2; |
| 2225 | ShapeAnalysis_Edge sae; |
| 2226 | V1=sae.FirstVertex(E1); |
| 2227 | V2=sae.LastVertex(E2); |
| 2228 | if(!V1.IsSame(V2)) { |
| 2229 | cout<<"wire not closed --> stop split"<<endl; |
| 2230 | return Standard_False; |
| 2231 | } |
| 2232 | // create face |
| 2233 | TopoDS_Shape emptyCopied = S.EmptyCopied(); |
| 2234 | TopoDS_Face tmpFace = TopoDS::Face(emptyCopied); |
| 2235 | tmpFace.Orientation ( TopAbs_FORWARD ); |
| 2236 | B.Add(tmpFace,wire); |
| 2237 | NbWiresNew++; |
| 2238 | const TopTools_ListOfShape& IntWires = MapWires.Find(wire); |
| 2239 | TopTools_ListIteratorOfListOfShape liter(IntWires); |
| 2240 | for( ; liter.More(); liter.Next()) { |
| 2241 | B.Add(tmpFace,liter.Value()); |
| 2242 | NbWiresNew++; |
| 2243 | } |
| 2244 | if(!myFwd) tmpFace.Orientation(TopAbs_REVERSED); |
| 2245 | faces.Append(tmpFace); |
| 2246 | } |
| 2247 | } |
| 2248 | |
| 2249 | if(NbWires!=NbWiresNew) return Standard_False; |
| 2250 | |
| 2251 | if(faces.Length()>1) { |
| 2252 | TopoDS_Compound Comp; |
| 2253 | B.MakeCompound(Comp); |
| 2254 | for(Standard_Integer i=1; i<=faces.Length(); i++ ) |
| 2255 | B.Add(Comp,faces(i)); |
| 2256 | myResult = Comp; |
| 2257 | Context()->Replace ( myFace, myResult ); |
| 2258 | for (TopExp_Explorer exp ( myResult, TopAbs_FACE ); exp.More(); exp.Next() ) { |
| 2259 | myFace = TopoDS::Face ( exp.Current() ); |
| 2260 | BRepTools::Update(myFace); |
| 2261 | } |
| 2262 | return Standard_True; |
| 2263 | } |
| 2264 | |
| 2265 | return Standard_False; |
| 2266 | } |
| 2267 | |
| 2268 | //======================================================================= |
| 2269 | //function : IsPeriodicConicalLoop |
| 2270 | //purpose : Checks whether the passed wire makes up a periodic loop on |
| 2271 | // passed conical surface |
| 2272 | //======================================================================= |
| 2273 | |
| 2274 | static Standard_Boolean IsPeriodicConicalLoop(const Handle(Geom_ConicalSurface)& theSurf, |
| 2275 | const TopoDS_Wire& theWire, |
| 2276 | const Standard_Real theTolerance, |
| 2277 | Standard_Real& theMinU, |
| 2278 | Standard_Real& theMaxU, |
| 2279 | Standard_Real& theMinV, |
| 2280 | Standard_Real& theMaxV, |
| 2281 | Standard_Boolean& isUDecrease) |
| 2282 | { |
| 2283 | if ( theSurf.IsNull() ) |
| 2284 | return Standard_False; |
| 2285 | |
| 2286 | ShapeAnalysis_Edge aSAE; |
| 2287 | TopLoc_Location aLoc; |
| 2288 | |
| 2289 | Standard_Real aCumulDeltaU = 0.0, aCumulDeltaUAbs = 0.0; |
| 2290 | Standard_Real aMinU = RealLast(); |
| 2291 | Standard_Real aMinV = aMinU; |
| 2292 | Standard_Real aMaxU = -aMinU; |
| 2293 | Standard_Real aMaxV = aMaxU; |
| 2294 | |
| 2295 | // Iterate over the edges to check whether the wire is periodic on conical surface |
| 2296 | BRepTools_WireExplorer aWireExp(theWire); |
| 2297 | for ( ; aWireExp.More(); aWireExp.Next() ) |
| 2298 | { |
| 2299 | const TopoDS_Edge& aCurrentEdge = aWireExp.Current(); |
| 2300 | Handle(Geom2d_Curve) aC2d; |
| 2301 | Standard_Real aPFirst, aPLast; |
| 2302 | |
| 2303 | aSAE.PCurve(aCurrentEdge, theSurf, aLoc, aC2d, aPFirst, aPLast, Standard_True); |
| 2304 | |
| 2305 | if ( aC2d.IsNull() ) |
| 2306 | return Standard_False; |
| 2307 | |
| 2308 | gp_Pnt2d aUVFirst = aC2d->Value(aPFirst), |
| 2309 | aUVLast = aC2d->Value(aPLast); |
| 2310 | |
| 2311 | Standard_Real aUFirst = aUVFirst.X(), aULast = aUVLast.X(); |
| 2312 | Standard_Real aVFirst = aUVFirst.Y(), aVLast = aUVLast.Y(); |
| 2313 | |
| 2314 | Standard_Real aCurMaxU = Max(aUFirst, aULast), |
| 2315 | aCurMinU = Min(aUFirst, aULast); |
| 2316 | Standard_Real aCurMaxV = Max(aVFirst, aVLast), |
| 2317 | aCurMinV = Min(aVFirst, aVLast); |
| 2318 | |
| 2319 | if ( aCurMinU < aMinU ) |
| 2320 | aMinU = aCurMinU; |
| 2321 | if ( aCurMaxU > aMaxU ) |
| 2322 | aMaxU = aCurMaxU; |
| 2323 | if ( aCurMinV < aMinV ) |
| 2324 | aMinV = aCurMinV; |
| 2325 | if ( aCurMaxV > aMaxV ) |
| 2326 | aMaxV = aCurMaxV; |
| 2327 | |
| 2328 | Standard_Real aDeltaU = aULast - aUFirst; |
| 2329 | |
| 2330 | aCumulDeltaU += aDeltaU; |
| 2331 | aCumulDeltaUAbs += Abs(aDeltaU); |
| 2332 | } |
| 2333 | |
| 2334 | theMinU = aMinU; |
| 2335 | theMaxU = aMaxU; |
| 2336 | theMinV = aMinV; |
| 2337 | theMaxV = aMaxV; |
| 2338 | isUDecrease = (aCumulDeltaU < 0 ? Standard_True : Standard_False); |
| 2339 | |
| 2340 | Standard_Boolean is2PIDelta = Abs(aCumulDeltaUAbs - 2*M_PI) <= theTolerance; |
| 2341 | Standard_Boolean isAroundApex = Abs(theMaxU - theMinU) > 2*M_PI - theTolerance; |
| 2342 | |
| 2343 | return is2PIDelta && isAroundApex; |
| 2344 | } |
| 2345 | |
| 2346 | //======================================================================= |
| 2347 | //function : FixPeriodicDegenerated |
| 2348 | //purpose : |
| 2349 | //======================================================================= |
| 2350 | |
| 2351 | Standard_Boolean ShapeFix_Face::FixPeriodicDegenerated() |
| 2352 | { |
| 2353 | /* ===================== |
| 2354 | * Prepare fix routine |
| 2355 | * ===================== */ |
| 2356 | |
| 2357 | if ( !Context().IsNull() ) |
| 2358 | { |
| 2359 | TopoDS_Shape aSh = Context()->Apply(myFace); |
| 2360 | myFace = TopoDS::Face(aSh); |
| 2361 | } |
| 2362 | |
| 2363 | /* ================================================ |
| 2364 | * Check if fix can be applied on the passed face |
| 2365 | * ================================================ */ |
| 2366 | |
| 2367 | // Collect all wires owned by the face |
| 2368 | TopTools_SequenceOfShape aWireSeq; |
| 2369 | for ( TopoDS_Iterator aWireIt(myFace, Standard_False); aWireIt.More(); aWireIt.Next() ) |
| 2370 | { |
| 2371 | const TopoDS_Shape& aSubSh = aWireIt.Value(); |
| 2372 | if ( aSubSh.ShapeType() != TopAbs_WIRE || ( aSubSh.Orientation() != TopAbs_FORWARD && |
| 2373 | aSubSh.Orientation() != TopAbs_REVERSED ) ) |
| 2374 | continue; |
| 2375 | |
| 2376 | aWireSeq.Append( aWireIt.Value() ); |
| 2377 | } |
| 2378 | |
| 2379 | // Get number of wires and surface |
| 2380 | Standard_Integer aNbWires = aWireSeq.Length(); |
| 2381 | Handle(Geom_Surface) aSurface = BRep_Tool::Surface(myFace); |
| 2382 | |
| 2383 | // Only single wires on conical surfaces are checked |
| 2384 | if ( aNbWires != 1 || aSurface.IsNull() || |
| 2385 | aSurface->DynamicType() != STANDARD_TYPE(Geom_ConicalSurface) ) |
| 2386 | return Standard_False; |
| 2387 | |
| 2388 | // Get the single wire |
| 2389 | TopoDS_Wire aSoleWire = TopoDS::Wire( aWireSeq.Value(1) ); |
| 2390 | |
| 2391 | // Check whether this wire is belting the conical surface by period |
| 2392 | Handle(Geom_ConicalSurface) aConeSurf = Handle(Geom_ConicalSurface)::DownCast(aSurface); |
| 2393 | Standard_Real aMinLoopU = 0.0, aMaxLoopU = 0.0, aMinLoopV = 0.0, aMaxLoopV = 0.0; |
| 2394 | Standard_Boolean isUDecrease = Standard_False; |
| 2395 | |
| 2396 | Standard_Boolean isConicLoop = IsPeriodicConicalLoop(aConeSurf, aSoleWire, Precision(), |
| 2397 | aMinLoopU, aMaxLoopU, |
| 2398 | aMinLoopV, aMaxLoopV, |
| 2399 | isUDecrease); |
| 2400 | |
| 2401 | if ( !isConicLoop ) |
| 2402 | return Standard_False; |
| 2403 | |
| 2404 | /* =============== |
| 2405 | * Retrieve apex |
| 2406 | * =============== */ |
| 2407 | |
| 2408 | // Get base circle of the conical surface (the circle it was built from) |
| 2409 | Handle(Geom_Curve) aConeBaseCrv = aConeSurf->VIso(0.0); |
| 2410 | Handle(Geom_Circle) aConeBaseCirc = Handle(Geom_Circle)::DownCast(aConeBaseCrv); |
| 2411 | |
| 2412 | // Retrieve conical props |
| 2413 | Standard_Real aConeBaseR = aConeBaseCirc->Radius(); |
| 2414 | Standard_Real aSemiAngle = aConeSurf->SemiAngle(); |
| 2415 | |
| 2416 | if ( fabs(aSemiAngle) <= Precision::Confusion() ) |
| 2417 | return Standard_False; // Bad surface |
| 2418 | |
| 2419 | // Find the V parameter of the apex |
| 2420 | Standard_Real aConeBaseH = aConeBaseR / Sin(aSemiAngle); |
| 2421 | Standard_Real anApexV = -aConeBaseH; |
| 2422 | |
| 2423 | // Get apex vertex |
| 2424 | TopoDS_Vertex anApex = BRepBuilderAPI_MakeVertex( aConeSurf->Apex() ); |
| 2425 | |
| 2426 | // ==================================== |
| 2427 | // Build degenerated edge in the apex |
| 2428 | // ==================================== |
| 2429 | |
| 2430 | TopoDS_Edge anApexEdge; |
| 2431 | BRep_Builder aBuilder; |
| 2432 | aBuilder.MakeEdge(anApexEdge); |
| 2433 | |
| 2434 | // Check if positional relationship between the initial wire and apex |
| 2435 | // line in 2D is going to be consistent |
| 2436 | if ( fabs(anApexV - aMinLoopV) <= Precision() || |
| 2437 | fabs(anApexV - aMaxLoopV) <= Precision() || |
| 2438 | ( anApexV < aMaxLoopV && anApexV > aMinLoopV ) ) |
| 2439 | return Standard_False; |
| 2440 | |
| 2441 | Handle(Geom2d_Line) anApexCurve2d; |
| 2442 | |
| 2443 | // Apex curve below the wire |
| 2444 | if ( anApexV < aMinLoopV ) |
| 2445 | { |
| 2446 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMinLoopU, anApexV), gp_Dir2d(1, 0) ); |
| 2447 | if ( !isUDecrease ) |
| 2448 | aSoleWire.Reverse(); |
| 2449 | } |
| 2450 | |
| 2451 | // Apex curve above the wire |
| 2452 | if ( anApexV > aMaxLoopV ) |
| 2453 | { |
| 2454 | anApexCurve2d = new Geom2d_Line( gp_Pnt2d(aMaxLoopU, anApexV), gp_Dir2d(-1, 0) ); |
| 2455 | if ( isUDecrease ) |
| 2456 | aSoleWire.Reverse(); |
| 2457 | } |
| 2458 | |
| 2459 | // Create degenerated edge & wire for apex |
| 2460 | aBuilder.UpdateEdge( anApexEdge, anApexCurve2d, myFace, Precision() ); |
| 2461 | aBuilder.Add( anApexEdge, anApex ); |
| 2462 | aBuilder.Add( anApexEdge, anApex.Reversed() ); |
| 2463 | aBuilder.Degenerated(anApexEdge, Standard_True); |
| 2464 | aBuilder.Range( anApexEdge, 0, fabs(aMaxLoopU - aMinLoopU) ); |
| 2465 | TopoDS_Wire anApexWire = BRepBuilderAPI_MakeWire(anApexEdge); |
| 2466 | |
| 2467 | // =============================================================== |
| 2468 | // Finalize the fix building new face and setting up the results |
| 2469 | // =============================================================== |
| 2470 | |
| 2471 | // Collect the resulting set of wires |
| 2472 | TopTools_SequenceOfShape aNewWireSeq; |
| 2473 | aNewWireSeq.Append(aSoleWire); |
| 2474 | aNewWireSeq.Append(anApexWire); |
| 2475 | |
| 2476 | // Assemble new face |
| 2477 | TopoDS_Face aNewFace = TopoDS::Face( myFace.EmptyCopied() ); |
| 2478 | aNewFace.Orientation(TopAbs_FORWARD); |
| 2479 | BRep_Builder aFaceBuilder; |
| 2480 | for ( Standard_Integer i = 1; i <= aNewWireSeq.Length(); i++ ) |
| 2481 | { |
| 2482 | TopoDS_Wire aNewWire = TopoDS::Wire( aNewWireSeq.Value(i) ); |
| 2483 | aFaceBuilder.Add(aNewFace, aNewWire); |
| 2484 | } |
| 2485 | aNewFace.Orientation( myFace.Orientation() ); |
| 2486 | |
| 2487 | // Adjust the resulting state of the healing tool |
| 2488 | myResult = aNewFace; |
| 2489 | Context()->Replace(myFace, myResult); |
| 2490 | |
| 2491 | return Standard_True; |
| 2492 | } |