| 1 | //:j6 abv 7 Dec 98: ProSTEP TR10 r0601_id.stp #57676 & #58586: |
| 2 | // in FixIntersectingEdges, do not cut edges because of influence on adjacent faces |
| 3 | // pdn 17.12.98: shifting whole wire in FixShifted |
| 4 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: removing self-int loops on pcurves |
| 5 | // pdn 30.12.98: PRO10366 #210: shifting pcurve between two singularities |
| 6 | // pdn 05.01.98: renaming method FixLittle to FixSmall |
| 7 | //:l0 abv 10.01.99: remove unused code |
| 8 | //:n2 abv 22.01.99: ma-test5.igs: IGES read (pref3d): remove degen edge with no pcurve |
| 9 | //:o4 abv 17.02.99: r0301_db.stp #53082: using parameter isClosed in CheckOrder |
| 10 | //:p4 abv 23.02.99: PRO9234 #15720: update UV points of edges after shifting pcurves |
| 11 | //#67 rln 01.03.99 S4135: ims010.igs treatment of Geom_SphericalSurface together with V-closed surfaces |
| 12 | //:p7 abv 10.03.99 PRO18206: using method IsDegenerated() to detect singularity in FixLacking |
| 13 | //:r0 abv 19.03.99 PRO7226.stp #489490: remove degenerated edges if several |
| 14 | //#78 rln 12.03.99 S4135: checking spatial closure with Precision |
| 15 | //#79 rln 15.03.99 S4135: bmarkmdl.igs: check for gap before shifting on singularities |
| 16 | // pdn 17.03.99 S4135: implemented fixing not adjacent intersection |
| 17 | //#86 rln 22.03.99 S4135: repeat of fix self-intersection if it was fixed just before |
| 18 | //%15 pdn 06.04.99 CTS18546-2: fix of self-intersection is repeated while fixed |
| 19 | //#3 smh 01.04.99 S4163: Overflow |
| 20 | //#4 szv S4163: optimization |
| 21 | //:r7 abv 12.04.99 S4136: FixLk: extend cases of adding degenerated edge |
| 22 | //:r8 abv 12.04.99 PRO10107.stp #2241: try increasing tolerance of edge for fix IE |
| 23 | //:s2 abv 21.04.99 S4136, PRO7978.igs: FixLacking extended to be able to bend pcurves |
| 24 | //szv#9:S4244:19Aug99 Methods FixGaps3d and FixGaps2d were introduced |
| 25 | //#15 smh 03.04.2000 PRO19800. Checking degenerated point on a surface of revolution. |
| 26 | // sln 25.09.2001 checking order of 3d and 2d representation curves |
| 27 | // van 19.10.2001 fix of non-adjacent self-intersection corrected to agree with BRepCheck |
| 28 | // skl 07.03.2002 fix for bug OCC180 |
| 29 | // skl 15.05.2002 for OCC208 (if few edges have reference to |
| 30 | // one pcurve we make replace pcurve) |
| 31 | // PTV 26.06.2002 Remove regressions after fix OCC450 |
| 32 | |
| 33 | #include <ShapeFix_Wire.ixx> |
| 34 | |
| 35 | #include <Standard_ErrorHandler.hxx> |
| 36 | #include <Standard_Failure.hxx> |
| 37 | #include <TColStd_Array1OfReal.hxx> |
| 38 | #include <TColStd_Array1OfInteger.hxx> |
| 39 | #include <Precision.hxx> |
| 40 | |
| 41 | #include <Geom_Curve.hxx> |
| 42 | #include <Geom_TrimmedCurve.hxx> |
| 43 | #include <Geom_BSplineCurve.hxx> |
| 44 | #include <Geom_SphericalSurface.hxx> //S4135 |
| 45 | #include <Geom_SurfaceOfRevolution.hxx> |
| 46 | #include <GeomAdaptor_Curve.hxx> |
| 47 | #include <GeomAdaptor_HSurface.hxx> |
| 48 | #include <GeomAdaptor_Surface.hxx> |
| 49 | #include <GeomConvert_CompCurveToBSplineCurve.hxx> |
| 50 | #include <GeomAPI.hxx> |
| 51 | |
| 52 | #include <Geom2d_Curve.hxx> |
| 53 | #include <Geom2d_TrimmedCurve.hxx> |
| 54 | #include <Geom2d_Line.hxx> |
| 55 | #include <Geom2d_BSplineCurve.hxx> |
| 56 | #include <Geom2dAdaptor_Curve.hxx> |
| 57 | #include <Geom2dConvert.hxx> |
| 58 | |
| 59 | #include <Bnd_Box2d.hxx> |
| 60 | #include <Bnd_Array1OfBox2d.hxx> |
| 61 | #include <BndLib_Add2dCurve.hxx> |
| 62 | #include <IntRes2d_SequenceOfIntersectionPoint.hxx> |
| 63 | #include <IntRes2d_IntersectionPoint.hxx> |
| 64 | #include <TColgp_Array1OfPnt.hxx> |
| 65 | #include <TColgp_SequenceOfPnt.hxx> |
| 66 | #include <gp_Pln.hxx> |
| 67 | |
| 68 | #include <TopoDS.hxx> |
| 69 | #include <TopoDS_Vertex.hxx> |
| 70 | #include <TopoDS_Edge.hxx> |
| 71 | #include <TopTools_Array1OfShape.hxx> |
| 72 | #include <TopTools_HSequenceOfShape.hxx> |
| 73 | #include <TopExp_Explorer.hxx> |
| 74 | |
| 75 | #include <BRep_Tool.hxx> |
| 76 | #include <BRep_Builder.hxx> |
| 77 | #include <BRep_ListIteratorOfListOfCurveRepresentation.hxx> |
| 78 | #include <BRep_TEdge.hxx> |
| 79 | #include <BRep_GCurve.hxx> |
| 80 | #include <BRepBuilderAPI_MakeEdge.hxx> |
| 81 | #include <BRepBuilderAPI_MakeVertex.hxx> |
| 82 | #include <BRepTools.hxx> |
| 83 | |
| 84 | #include <Message_Msg.hxx> |
| 85 | #include <ShapeExtend.hxx> |
| 86 | #include <ShapeBuild_Edge.hxx> |
| 87 | #include <ShapeBuild_Vertex.hxx> |
| 88 | #include <ShapeBuild_ReShape.hxx> |
| 89 | #include <ShapeAnalysis_Curve.hxx> |
| 90 | #include <ShapeAnalysis_Edge.hxx> |
| 91 | #include <ShapeAnalysis_Surface.hxx> |
| 92 | #include <ShapeAnalysis.hxx> |
| 93 | #include <ShapeConstruct_ProjectCurveOnSurface.hxx> |
| 94 | #include <ShapeAnalysis_TransferParametersProj.hxx> |
| 95 | #include <Geom_Plane.hxx> |
| 96 | #include <Geom_OffsetCurve.hxx> |
| 97 | |
| 98 | #include <TColStd_HSequenceOfReal.hxx> |
| 99 | #include <Handle_Geom2dAdaptor_HCurve.hxx> |
| 100 | #include <Adaptor3d_CurveOnSurface.hxx> |
| 101 | #include <Geom2dAdaptor_HCurve.hxx> |
| 102 | #include <GeomAPI_ProjectPointOnCurve.hxx> |
| 103 | |
| 104 | #include <ShapeAnalysis_TransferParameters.hxx> |
| 105 | #include <ShapeFix.hxx> |
| 106 | #include <ShapeFix_IntersectionTool.hxx> |
| 107 | #include <ShapeFix_SplitTool.hxx> |
| 108 | |
| 109 | |
| 110 | //####################################################################### |
| 111 | // Constructors, initializations, modes, querying |
| 112 | //####################################################################### |
| 113 | |
| 114 | //======================================================================= |
| 115 | //function : ShapeFix_Wire |
| 116 | //purpose : |
| 117 | //======================================================================= |
| 118 | |
| 119 | ShapeFix_Wire::ShapeFix_Wire() |
| 120 | { |
| 121 | myFixEdge = new ShapeFix_Edge; |
| 122 | myAnalyzer = new ShapeAnalysis_Wire; |
| 123 | ClearModes(); |
| 124 | ClearStatuses(); |
| 125 | myStatusRemovedSegment = Standard_False; |
| 126 | } |
| 127 | |
| 128 | //======================================================================= |
| 129 | //function : ShapeFix_Wire |
| 130 | //purpose : |
| 131 | //======================================================================= |
| 132 | |
| 133 | ShapeFix_Wire::ShapeFix_Wire (const TopoDS_Wire& wire, |
| 134 | const TopoDS_Face &face, const Standard_Real prec) |
| 135 | { |
| 136 | myFixEdge = new ShapeFix_Edge; |
| 137 | myAnalyzer = new ShapeAnalysis_Wire; |
| 138 | ClearModes(); |
| 139 | SetMaxTolerance ( prec ); |
| 140 | myStatusRemovedSegment = Standard_False; |
| 141 | Init ( wire, face, prec ); |
| 142 | } |
| 143 | |
| 144 | //======================================================================= |
| 145 | //function : SetPrecision |
| 146 | //purpose : |
| 147 | //======================================================================= |
| 148 | |
| 149 | void ShapeFix_Wire::SetPrecision (const Standard_Real prec) |
| 150 | { |
| 151 | ShapeFix_Root::SetPrecision ( prec ); |
| 152 | myAnalyzer->SetPrecision ( prec ); |
| 153 | } |
| 154 | |
| 155 | //======================================================================= |
| 156 | //function : ClearModes |
| 157 | //purpose : |
| 158 | //======================================================================= |
| 159 | |
| 160 | void ShapeFix_Wire::ClearModes() |
| 161 | { |
| 162 | myTopoMode = Standard_False; |
| 163 | myGeomMode = Standard_True; |
| 164 | myClosedMode = Standard_True; |
| 165 | myPreference2d = Standard_True; |
| 166 | myFixGapsByRanges = Standard_False; |
| 167 | |
| 168 | myRemoveLoopMode = -1; |
| 169 | |
| 170 | myFixReversed2dMode = -1; |
| 171 | myFixRemovePCurveMode = -1; |
| 172 | myFixRemoveCurve3dMode = -1; |
| 173 | myFixAddPCurveMode = -1; |
| 174 | myFixAddCurve3dMode = -1; |
| 175 | myFixSeamMode = -1; |
| 176 | myFixShiftedMode = -1; |
| 177 | myFixSameParameterMode = -1; |
| 178 | myFixVertexToleranceMode = -1; |
| 179 | |
| 180 | myFixNotchedEdgesMode = -1; |
| 181 | myFixSelfIntersectingEdgeMode = -1; |
| 182 | myFixIntersectingEdgesMode = -1; |
| 183 | myFixNonAdjacentIntersectingEdgesMode = -1; |
| 184 | |
| 185 | myFixReorderMode = -1; |
| 186 | myFixSmallMode = -1; |
| 187 | myFixConnectedMode = -1; |
| 188 | myFixEdgeCurvesMode = -1; |
| 189 | myFixDegeneratedMode = -1; |
| 190 | myFixSelfIntersectionMode = -1; |
| 191 | myFixLackingMode = -1; |
| 192 | myFixGaps3dMode = -1; |
| 193 | myFixGaps2dMode = -1; |
| 194 | } |
| 195 | |
| 196 | //======================================================================= |
| 197 | //function : ClearStatuses |
| 198 | //purpose : |
| 199 | //======================================================================= |
| 200 | |
| 201 | void ShapeFix_Wire::ClearStatuses() |
| 202 | { |
| 203 | Standard_Integer emptyStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 204 | |
| 205 | myLastFixStatus = emptyStatus; |
| 206 | |
| 207 | myStatusReorder = emptyStatus; |
| 208 | myStatusSmall = emptyStatus; |
| 209 | myStatusConnected = emptyStatus; |
| 210 | myStatusEdgeCurves = emptyStatus; |
| 211 | myStatusDegenerated = emptyStatus; |
| 212 | myStatusSelfIntersection = emptyStatus; |
| 213 | myStatusLacking = emptyStatus; |
| 214 | myStatusGaps3d = emptyStatus; //szv#9:S4244:19Aug99 new method introduced |
| 215 | myStatusGaps2d = emptyStatus; //szv#9:S4244:19Aug99 new method introduced |
| 216 | myStatusClosed = emptyStatus; |
| 217 | } |
| 218 | |
| 219 | //======================================================================= |
| 220 | //function : Init |
| 221 | //purpose : |
| 222 | //======================================================================= |
| 223 | |
| 224 | void ShapeFix_Wire::Init (const TopoDS_Wire& wire, |
| 225 | const TopoDS_Face &face, const Standard_Real prec) |
| 226 | { |
| 227 | Load ( wire ); |
| 228 | SetFace ( face ); |
| 229 | SetPrecision ( prec ); |
| 230 | } |
| 231 | |
| 232 | //======================================================================= |
| 233 | //function : Init |
| 234 | //purpose : |
| 235 | //======================================================================= |
| 236 | |
| 237 | void ShapeFix_Wire::Init (const Handle(ShapeAnalysis_Wire)& saw) |
| 238 | { |
| 239 | ClearStatuses(); |
| 240 | myAnalyzer = saw; |
| 241 | myShape.Nullify(); |
| 242 | // SetPrecision ( saw.Precision() ); |
| 243 | } |
| 244 | |
| 245 | //======================================================================= |
| 246 | //function : Load |
| 247 | //purpose : |
| 248 | //======================================================================= |
| 249 | |
| 250 | void ShapeFix_Wire::Load (const TopoDS_Wire& wire) |
| 251 | { |
| 252 | ClearStatuses(); |
| 253 | |
| 254 | TopoDS_Wire W = wire; |
| 255 | if ( ! Context().IsNull() ) { |
| 256 | TopoDS_Shape S = Context()->Apply ( wire ); |
| 257 | W = TopoDS::Wire ( S ); |
| 258 | } |
| 259 | |
| 260 | myAnalyzer->Load ( W ); |
| 261 | myShape = wire; |
| 262 | } |
| 263 | |
| 264 | //======================================================================= |
| 265 | //function : Load |
| 266 | //purpose : |
| 267 | //======================================================================= |
| 268 | |
| 269 | void ShapeFix_Wire::Load (const Handle(ShapeExtend_WireData)& sbwd) |
| 270 | { |
| 271 | ClearStatuses(); |
| 272 | myAnalyzer->Load ( sbwd ); |
| 273 | if ( ! Context().IsNull() ) UpdateWire(); |
| 274 | myShape.Nullify(); |
| 275 | } |
| 276 | |
| 277 | //======================================================================= |
| 278 | //function : NbEdges |
| 279 | //purpose : |
| 280 | //======================================================================= |
| 281 | |
| 282 | Standard_Integer ShapeFix_Wire::NbEdges() const |
| 283 | { |
| 284 | Handle(ShapeExtend_WireData) sbwd = myAnalyzer->WireData(); |
| 285 | return sbwd.IsNull() ? 0 : sbwd->NbEdges(); |
| 286 | } |
| 287 | |
| 288 | //####################################################################### |
| 289 | // Fixing methods of API level |
| 290 | //####################################################################### |
| 291 | |
| 292 | //======================================================================= |
| 293 | //function : Perform |
| 294 | //purpose : This method performs all the available fixes. |
| 295 | // If some fix is turned on or off explicitly by the flag, |
| 296 | // it is called or not depending on that flag |
| 297 | // Else (i.e. if flag is default) fix is called depending on the |
| 298 | // situation: default is True, but some fixes are not called or |
| 299 | // are limited if order of edges in the wire is not OK |
| 300 | //======================================================================= |
| 301 | |
| 302 | Standard_Boolean ShapeFix_Wire::Perform() |
| 303 | { |
| 304 | ClearStatuses(); |
| 305 | if ( ! IsLoaded() ) return Standard_False; |
| 306 | |
| 307 | |
| 308 | Standard_Integer Fixed = Standard_False; |
| 309 | |
| 310 | // FixReorder is first, because as a rule wire is required to be ordered |
| 311 | // We shall analyze the order of edges in the wire and set appropriate |
| 312 | // status even if FixReorder should not be called (if it is forbidden) |
| 313 | |
| 314 | ShapeAnalysis_WireOrder sawo; |
| 315 | Standard_Boolean ReorderOK = ( myAnalyzer->CheckOrder ( sawo, myClosedMode ) ==0 ); |
| 316 | if ( NeedFix ( myFixReorderMode, ! ReorderOK ) ) { |
| 317 | if(FixReorder()) Fixed = Standard_True; |
| 318 | ReorderOK = ! StatusReorder ( ShapeExtend_FAIL ); |
| 319 | } |
| 320 | |
| 321 | // FixSmall is allowed to change topology only if mode is set and FixReorder |
| 322 | // did not failed |
| 323 | if ( NeedFix ( myFixSmallMode, myTopoMode ) ) { |
| 324 | if ( FixSmall ( ! myTopoMode || ! ReorderOK, MinTolerance() ) ) { |
| 325 | Fixed = Standard_True; |
| 326 | // retry reorder if necessary (after FixSmall it can work better) |
| 327 | if ( NeedFix ( myFixReorderMode, ! ReorderOK ) ) { |
| 328 | FixReorder(); |
| 329 | ReorderOK = ! StatusReorder ( ShapeExtend_FAIL ); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | if ( NeedFix ( myFixConnectedMode, ReorderOK ) ) { |
| 335 | if ( FixConnected() ) Fixed = Standard_True; |
| 336 | } |
| 337 | |
| 338 | if ( NeedFix ( myFixEdgeCurvesMode ) ) { |
| 339 | Standard_Integer savFixShiftedMode = myFixShiftedMode; |
| 340 | // turn out FixShifted if reorder not done |
| 341 | if ( myFixShiftedMode == -1 && ! ReorderOK ) myFixShiftedMode = 0; |
| 342 | if ( FixEdgeCurves() ) Fixed = Standard_True; |
| 343 | myFixShiftedMode = savFixShiftedMode; |
| 344 | } |
| 345 | |
| 346 | if ( NeedFix ( myFixDegeneratedMode ) ) { |
| 347 | if ( FixDegenerated() ) Fixed = Standard_True; // ?? if ! ReorderOK ?? |
| 348 | } |
| 349 | |
| 350 | //pdn - temporary to test |
| 351 | if ( NeedFix ( myFixNotchedEdgesMode, ReorderOK ) ) { |
| 352 | Fixed |= FixNotchedEdges(); |
| 353 | if(Fixed) FixShifted(); //skl 07.03.2002 for OCC180 |
| 354 | } |
| 355 | |
| 356 | if ( NeedFix ( myFixSelfIntersectionMode, myClosedMode ) ) { |
| 357 | Standard_Integer savFixIntersectingEdgesMode = myFixIntersectingEdgesMode; |
| 358 | // switch off FixIntEdges if reorder not done |
| 359 | if ( myFixIntersectingEdgesMode == -1 && ! ReorderOK ) |
| 360 | myFixIntersectingEdgesMode = 0; |
| 361 | if ( FixSelfIntersection() ) Fixed = Standard_True; |
| 362 | FixReorder(); |
| 363 | myFixIntersectingEdgesMode = savFixIntersectingEdgesMode; |
| 364 | } |
| 365 | |
| 366 | if ( NeedFix ( myFixLackingMode, ReorderOK ) ) { |
| 367 | if ( FixLacking() ) Fixed = Standard_True; |
| 368 | } |
| 369 | |
| 370 | // TEMPORARILY without special mode !!! |
| 371 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 372 | for (Standard_Integer iedge = 1; iedge <= sbwd->NbEdges(); iedge++) |
| 373 | if ( myFixEdge->FixVertexTolerance (sbwd->Edge (iedge)) ) |
| 374 | Fixed = Standard_True; |
| 375 | |
| 376 | return Fixed; |
| 377 | } |
| 378 | |
| 379 | //======================================================================= |
| 380 | //function : FixReorder |
| 381 | //purpose : |
| 382 | //======================================================================= |
| 383 | |
| 384 | Standard_Boolean ShapeFix_Wire::FixReorder() |
| 385 | { |
| 386 | myStatusReorder = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 387 | if ( ! IsLoaded() ) return Standard_False; |
| 388 | |
| 389 | // fix in 3d |
| 390 | ShapeAnalysis_WireOrder sawo; |
| 391 | myAnalyzer->CheckOrder ( sawo, myClosedMode, Standard_True ); |
| 392 | |
| 393 | //:abv revolCuts.sat -23: in case of bi-periodic surface check case |
| 394 | // of reversed wire specifically. This is necessary because degenerated |
| 395 | // cases are possible when direct evaluation will give bad result. |
| 396 | Standard_Boolean isReorder = Standard_False; |
| 397 | if ( sawo.Status() != 0 && |
| 398 | ! myAnalyzer->Surface().IsNull() && |
| 399 | myAnalyzer->Surface()->Surface()->IsUPeriodic() && |
| 400 | myAnalyzer->Surface()->Surface()->IsVPeriodic() ) { |
| 401 | Handle(ShapeExtend_WireData) sbwd2 = new ShapeExtend_WireData; |
| 402 | for ( Standard_Integer i=WireData()->NbEdges(); i >=1; i-- ) |
| 403 | sbwd2->Add ( WireData()->Edge(i) ); |
| 404 | ShapeAnalysis_WireOrder sawo2; |
| 405 | ShapeAnalysis_Wire analyzer2 ( sbwd2, myAnalyzer->Face(), Precision() ); |
| 406 | analyzer2.CheckOrder ( sawo2, myClosedMode, Standard_True ); |
| 407 | if ( ( sawo2.Status() >=0 && sawo2.Status() < sawo.Status() ) || |
| 408 | ( sawo.Status() <0 && sawo2.Status() > sawo.Status() ) ) { |
| 409 | WireData()->Init ( sbwd2 ); |
| 410 | sawo = sawo2; |
| 411 | isReorder = Standard_True; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | FixReorder ( sawo ); |
| 416 | |
| 417 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 418 | myStatusReorder |= ShapeExtend::EncodeStatus ( LastFixStatus ( ShapeExtend_FAIL1 ) ? |
| 419 | ShapeExtend_FAIL1 : ShapeExtend_FAIL2 ); |
| 420 | if ( ! LastFixStatus ( ShapeExtend_DONE )&& !isReorder ) return Standard_False; |
| 421 | |
| 422 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 423 | if ( sawo.Status() ==2 || sawo.Status() ==-2 ) |
| 424 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 425 | if ( sawo.Status() <0 ) |
| 426 | myStatusReorder |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 427 | return Standard_True; |
| 428 | } |
| 429 | |
| 430 | //======================================================================= |
| 431 | //function : FixSmall |
| 432 | //purpose : |
| 433 | //======================================================================= |
| 434 | |
| 435 | Standard_Integer ShapeFix_Wire::FixSmall (const Standard_Boolean lockvtx, |
| 436 | const Standard_Real precsmall) |
| 437 | { |
| 438 | myStatusSmall = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 439 | if ( ! IsLoaded() ) return Standard_False; |
| 440 | |
| 441 | for ( Standard_Integer i = NbEdges(); i >0; i-- ) { |
| 442 | FixSmall ( i, lockvtx, precsmall ); |
| 443 | myStatusSmall |= myLastFixStatus; |
| 444 | } |
| 445 | |
| 446 | if ( StatusSmall ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
| 447 | SendWarning (Message_Msg ("FixAdvWire.FixSmall.MSG0"));//Small edge(s) removed |
| 448 | } |
| 449 | return StatusSmall ( ShapeExtend_DONE ); |
| 450 | |
| 451 | } |
| 452 | |
| 453 | //======================================================================= |
| 454 | //function : FixConnected |
| 455 | //purpose : |
| 456 | //======================================================================= |
| 457 | |
| 458 | Standard_Boolean ShapeFix_Wire::FixConnected (const Standard_Real prec) |
| 459 | { |
| 460 | myStatusConnected = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 461 | if ( ! IsLoaded() ) return Standard_False; |
| 462 | |
| 463 | Standard_Integer stop = ( myClosedMode ? 0 : 1 ); |
| 464 | for ( Standard_Integer i = NbEdges(); i > stop; i-- ) { |
| 465 | FixConnected ( i, prec ); |
| 466 | myStatusConnected |= myLastFixStatus; |
| 467 | } |
| 468 | |
| 469 | return StatusConnected ( ShapeExtend_DONE ); |
| 470 | } |
| 471 | |
| 472 | //======================================================================= |
| 473 | //function : FixEdgeCurves |
| 474 | //purpose : |
| 475 | //======================================================================= |
| 476 | |
| 477 | Standard_Boolean ShapeFix_Wire::FixEdgeCurves() |
| 478 | { |
| 479 | myStatusEdgeCurves = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 480 | if ( ! IsLoaded() ) return Standard_False; |
| 481 | Standard_Boolean isReady = IsReady(); |
| 482 | |
| 483 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 484 | Standard_Integer i, nb = sbwd->NbEdges(); |
| 485 | TopoDS_Face face = Face(); |
| 486 | Handle(ShapeFix_Edge) theAdvFixEdge = Handle(ShapeFix_Edge)::DownCast(myFixEdge); |
| 487 | if (theAdvFixEdge.IsNull()) myFixReversed2dMode = Standard_False; |
| 488 | |
| 489 | // fix revesred 2d / 3d curves |
| 490 | if ( isReady && NeedFix ( myFixReversed2dMode ) ) { |
| 491 | for ( i=1; i <= nb; i++ ) { |
| 492 | theAdvFixEdge->FixReversed2d ( sbwd->Edge(i), face ); |
| 493 | if ( theAdvFixEdge->Status ( ShapeExtend_DONE ) ) |
| 494 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 495 | if ( theAdvFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 496 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | // add / remove pcurve |
| 501 | if ( isReady && NeedFix ( myFixRemovePCurveMode, Standard_False ) ) { |
| 502 | for ( i=1; i <= nb; i++ ) { |
| 503 | myFixEdge->FixRemovePCurve ( sbwd->Edge(i), face ); |
| 504 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 505 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 506 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 507 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | if ( isReady && NeedFix ( myFixAddPCurveMode ) ) { |
| 512 | Standard_Integer overdegen = 0; //:c0 |
| 513 | for ( i=1; i <= nb; i++ ) { |
| 514 | myFixEdge->FixAddPCurve ( sbwd->Edge(i), face, sbwd->IsSeam(i), |
| 515 | myAnalyzer->Surface(), Precision() ); |
| 516 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 517 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 518 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 519 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 520 | |
| 521 | //if ( !sbwd->IsSeam(i) && myFixEdge->Status ( ShapeExtend_DONE2 ) |
| 522 | // && BRep_Tool::SameParameter(sbwd->Edge(i)) ) { |
| 523 | if ( !sbwd->IsSeam(i) && myFixEdge->Status ( ShapeExtend_DONE2 ) ) { |
| 524 | // abv 24 Feb 00: trj3_s1-ac-214.stp #1631 etc.: try to split the edge in singularity |
| 525 | if ( ! Context().IsNull() ) { |
| 526 | ShapeBuild_Edge sbe; |
| 527 | TopoDS_Edge E = sbwd->Edge ( i ); |
| 528 | ShapeAnalysis_Curve SAC; |
| 529 | Standard_Real a, b; |
| 530 | Handle(Geom_Curve) C = BRep_Tool::Curve ( E, a, b ); |
| 531 | Handle(ShapeAnalysis_Surface) S = myAnalyzer->Surface(); |
| 532 | Standard_Integer nbs = S->NbSingularities(MinTolerance()); |
| 533 | GeomAdaptor_Curve GAC ( C, a, b ); |
| 534 | TColStd_SequenceOfReal seq; |
| 535 | for (Standard_Integer j=1; j <= nbs; j++) { |
| 536 | Standard_Real Preci; |
| 537 | gp_Pnt2d pd1, pd2; |
| 538 | gp_Pnt P3d, pr; |
| 539 | Standard_Real par1, par2, split; |
| 540 | Standard_Boolean tmpUIsoDeg; |
| 541 | S->Singularity (j, Preci, P3d, pd1, pd2, par1, par2, tmpUIsoDeg); |
| 542 | if ( SAC.Project ( GAC, P3d, MinTolerance(), pr, split, Standard_True ) < Max(Preci,MinTolerance()) ) { |
| 543 | if ( split - a > ::Precision::PConfusion() && |
| 544 | b - split > ::Precision::PConfusion() ) { |
| 545 | Standard_Integer k; |
| 546 | for ( k=1; k <= seq.Length(); k++ ) { |
| 547 | if ( split < seq(k)-::Precision::PConfusion() ) { |
| 548 | seq.InsertBefore ( k, split ); |
| 549 | break; |
| 550 | } |
| 551 | else if ( split < seq(k)+::Precision::PConfusion() ) break; |
| 552 | } |
| 553 | if ( k > seq.Length() ) seq.Append ( split ); |
| 554 | } |
| 555 | } |
| 556 | } |
| 557 | if ( seq.Length() >0 ) { // supposed that edge is SP |
| 558 | #ifdef DEB |
| 559 | cout << "Edge going over singularity detected; splitted" << endl; |
| 560 | #endif |
| 561 | Standard_Boolean isFwd = ( E.Orientation() == TopAbs_FORWARD ); |
| 562 | E.Orientation ( TopAbs_FORWARD ); |
| 563 | |
| 564 | //if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) |
| 565 | // sbe.RemovePCurve ( E, face ); |
| 566 | |
| 567 | //10.04.2003 skl for using trimmed lines as pcurves |
| 568 | ShapeAnalysis_Edge sae; |
| 569 | if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) |
| 570 | sbe.RemovePCurve ( E, face ); |
| 571 | else { |
| 572 | if(sae.HasPCurve(E,face)) { |
| 573 | Handle(Geom2d_Curve) C2d; |
| 574 | Standard_Real fp2d,lp2d; |
| 575 | if(sae.PCurve(E,face,C2d,fp2d,lp2d)) { |
| 576 | if( !C2d->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve)) ) |
| 577 | sbe.RemovePCurve(E,face); |
| 578 | } |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | // myFixEdge->FixSameParameter ( E ); // to ensure SameRange & SP |
| 583 | BRep_Builder B; |
| 584 | TopoDS_Vertex V1, V2, V; |
| 585 | //ShapeAnalysis_Edge sae; |
| 586 | V1 = sae.FirstVertex ( E ); |
| 587 | V2 = sae.LastVertex ( E ); |
| 588 | Handle(ShapeExtend_WireData) sw = new ShapeExtend_WireData; |
| 589 | for ( Standard_Integer k=0; k <= seq.Length(); k++ ) { |
| 590 | Standard_Real split = ( k < seq.Length() ? seq(k+1) : b ); |
| 591 | if ( k < seq.Length() ) |
| 592 | B.MakeVertex ( V, C->Value(split), BRep_Tool::Tolerance(E) ); |
| 593 | else V = V2; |
| 594 | TopoDS_Edge edge = sbe.CopyReplaceVertices ( E, V1, V ); |
| 595 | if( BRep_Tool::SameParameter(sbwd->Edge(i)) ) { |
| 596 | //TopoDS_Edge edge = sbe.CopyReplaceVertices ( E, V1, V ); |
| 597 | B.Range ( edge, a, split ); |
| 598 | sw->Add ( edge ); |
| 599 | } |
| 600 | else { |
| 601 | //TopoDS_Edge edge = sbe.CopyReplaceVertices(sbwd->Edge(i),V1,V); |
| 602 | Handle(ShapeAnalysis_TransferParameters) sftp = |
| 603 | new ShapeAnalysis_TransferParameters(E,face); |
| 604 | sftp->TransferRange(edge, a, split, Standard_False); |
| 605 | sw->Add(edge); |
| 606 | } |
| 607 | //sw->Add(edge); |
| 608 | a = split; |
| 609 | V1 = V; |
| 610 | } |
| 611 | if ( ! isFwd ) { |
| 612 | sw->Reverse(); |
| 613 | E.Orientation ( TopAbs_REVERSED ); |
| 614 | } |
| 615 | Context()->Replace ( E, sw->Wire() ); |
| 616 | UpdateWire(); |
| 617 | nb = sbwd->NbEdges(); |
| 618 | i--; |
| 619 | continue; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | overdegen = i; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | //:c0 abv 20 Feb 98: treat case of curve going over degenerated pole and seam |
| 628 | if ( overdegen && myAnalyzer->Surface()->IsUClosed(Precision()) ) { |
| 629 | ShapeBuild_Edge sbe; |
| 630 | Standard_Real URange, SUF, SUL, SVF, SVL; |
| 631 | myAnalyzer->Surface()->Bounds(SUF, SUL, SVF, SVL); |
| 632 | URange = (Abs(SUL - SUF)); |
| 633 | gp_XY vec(0,0); |
| 634 | ShapeAnalysis_Edge sae; |
| 635 | Standard_Integer k; |
| 636 | for ( k = 1; k <= nb; k++) { |
| 637 | Standard_Real cf, cl; |
| 638 | Handle(Geom2d_Curve) c2d; |
| 639 | if ( ! sae.PCurve ( sbwd->Edge(k), face, c2d, cf, cl, Standard_True ) ) break; |
| 640 | vec += c2d->Value(cl).XY() - c2d->Value(cf).XY(); |
| 641 | } |
| 642 | if ( k > nb && Abs ( Abs ( vec.X() ) - URange ) < 0.1 * URange ) { |
| 643 | sbe.RemovePCurve (sbwd->Edge ( overdegen ), face); |
| 644 | myFixEdge->Projector()->AdjustOverDegenMode() = Standard_False; |
| 645 | myFixEdge->FixAddPCurve ( sbwd->Edge(overdegen), face, sbwd->IsSeam(overdegen), myAnalyzer->Surface(), Precision()); |
| 646 | } |
| 647 | #ifdef DEB |
| 648 | cout << "Edge going over singularity detected; pcurve adjusted" << endl; |
| 649 | #endif |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | // add / remove pcurve |
| 654 | if ( isReady && NeedFix ( myFixRemoveCurve3dMode, Standard_False ) ) { |
| 655 | for ( i=1; i <= nb; i++ ) { |
| 656 | myFixEdge->FixRemoveCurve3d ( sbwd->Edge(i) ); |
| 657 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 658 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 659 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 660 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL4 ); |
| 661 | } |
| 662 | } |
| 663 | if ( NeedFix ( myFixAddCurve3dMode ) ) { |
| 664 | for ( i=1; i <= nb; i++ ) { |
| 665 | myFixEdge->FixAddCurve3d ( sbwd->Edge(i) ); |
| 666 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 667 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 668 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) { |
| 669 | //:abv 29.08.01: Spatial_firex_lofting.sat: if 3d curve cannot |
| 670 | // be built because edge has no pcurves either, remove that edge |
| 671 | Handle(Geom2d_Curve) C; |
| 672 | Handle(Geom_Surface) S; |
| 673 | TopLoc_Location L; |
| 674 | Standard_Real first, last; |
| 675 | BRep_Tool::CurveOnSurface ( sbwd->Edge(i), C, S, L, first, last ); |
| 676 | if ( C.IsNull() ) { |
| 677 | sbwd->Remove ( i-- ); |
| 678 | nb--; |
| 679 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 680 | if ( ! myShape.IsNull() ) |
| 681 | SendWarning (Message_Msg ("FixWire.FixCurve3d.Removed")); // Incomplete edge (with no pcurves or 3d curve) removed |
| 682 | } |
| 683 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL5 ); |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | // fix seam |
| 689 | if ( isReady && NeedFix ( myFixSeamMode, Standard_False ) ) { |
| 690 | for ( i=1; i <= nb; i++ ) { |
| 691 | FixSeam ( i ); |
| 692 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
| 693 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
| 694 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 695 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL6 ); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | // fix shifted |
| 700 | if ( isReady && NeedFix ( myFixShiftedMode ) ) { |
| 701 | FixShifted(); |
| 702 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
| 703 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 704 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 705 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL7 ); |
| 706 | } |
| 707 | |
| 708 | // fix same parameter |
| 709 | if ( isReady && NeedFix ( myFixSameParameterMode ) ) { |
| 710 | for ( i=1; i <= nb; i++ ) { |
| 711 | // skl 28.10.2004 for OCC6366 - check SameRange |
| 712 | ShapeAnalysis_Edge sae; |
| 713 | Standard_Real First, Last; |
| 714 | Handle(Geom_Curve) tmpc3d = BRep_Tool::Curve(sbwd->Edge(i), First, Last); |
| 715 | if(sae.HasPCurve(sbwd->Edge(i),face)) { |
| 716 | Handle(Geom2d_Curve) C2d; |
| 717 | Standard_Real fp2d,lp2d; |
| 718 | if(sae.PCurve(sbwd->Edge(i),face,C2d,fp2d,lp2d)) { |
| 719 | if( fabs(First-fp2d)>Precision::PConfusion() || |
| 720 | fabs(Last-fp2d)>Precision::PConfusion() ) { |
| 721 | BRep_Builder B; |
| 722 | B.SameRange(sbwd->Edge(i),Standard_False); |
| 723 | } |
| 724 | } |
| 725 | } |
| 726 | myFixEdge->FixSameParameter ( sbwd->Edge(i) ); |
| 727 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 728 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
| 729 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 730 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL8 ); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | //:abv 10.06.02: porting C40 -> dev (CC670-12608.stp): moved from Perform() |
| 735 | // Update with face is needed for plane surfaces (w/o stored pcurves) |
| 736 | if ( NeedFix ( myFixVertexToleranceMode ) ) { |
| 737 | for ( i=1; i <= nb; i++) { |
| 738 | myFixEdge->FixVertexTolerance (sbwd->Edge (i), face); |
| 739 | if ( myFixEdge->Status ( ShapeExtend_DONE ) ) |
| 740 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
| 741 | if ( myFixEdge->Status ( ShapeExtend_FAIL ) ) |
| 742 | myStatusEdgeCurves |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL8 ); |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | return StatusEdgeCurves ( ShapeExtend_DONE ); |
| 747 | } |
| 748 | |
| 749 | //======================================================================= |
| 750 | //function : FixDegenerated |
| 751 | //purpose : |
| 752 | //======================================================================= |
| 753 | |
| 754 | Standard_Boolean ShapeFix_Wire::FixDegenerated() |
| 755 | { |
| 756 | myStatusDegenerated = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 757 | if ( ! IsReady() ) return Standard_False; |
| 758 | |
| 759 | // if ( ! myAnalyzer->Surface()->HasSingularities ( Precision() ) ) return; |
| 760 | |
| 761 | Standard_Integer lastcoded = -1, prevcoded = 0; |
| 762 | Standard_Integer stop = ( myClosedMode ? 0 : 1 ); |
| 763 | for ( Standard_Integer i = NbEdges(); i > stop; i-- ) { |
| 764 | FixDegenerated ( i ); |
| 765 | myStatusDegenerated |= myLastFixStatus; |
| 766 | //:r0 abv 19 Mar 99: PRO7226.stp #489490: remove duplicated degenerated edges |
| 767 | Standard_Integer coded = ( LastFixStatus ( ShapeExtend_DONE2 ) ? 1 : 0 ); |
| 768 | if ( lastcoded ==-1 ) lastcoded = coded; |
| 769 | if ( coded && ( prevcoded || ( i ==1 && lastcoded ) ) && NbEdges() >1 ) { |
| 770 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 771 | BRep_Builder B; |
| 772 | sbwd->Remove ( i ); |
| 773 | if ( ! prevcoded ) i = NbEdges(); |
| 774 | B.Degenerated ( sbwd->Edge ( i++ ), Standard_False ); |
| 775 | prevcoded = 0; |
| 776 | } |
| 777 | else prevcoded = coded; |
| 778 | } |
| 779 | |
| 780 | if ( StatusDegenerated ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
| 781 | SendWarning (Message_Msg ("FixWire.FixDegenerated.MSG0")); //Degenerated edge(s) detected |
| 782 | } |
| 783 | |
| 784 | return StatusDegenerated ( ShapeExtend_DONE ); |
| 785 | } |
| 786 | |
| 787 | |
| 788 | //======================================================================= |
| 789 | //function : FixSelfIntersection |
| 790 | //purpose : Applies FixSelfIntersectingEdge and FixIntersectingEdges |
| 791 | // and removes wrong edges |
| 792 | //======================================================================= |
| 793 | |
| 794 | Standard_Boolean ShapeFix_Wire::FixSelfIntersection() |
| 795 | { |
| 796 | myStatusSelfIntersection = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 797 | if ( ! IsReady() ) return Standard_False; |
| 798 | |
| 799 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 800 | Standard_Integer nb = sbwd->NbEdges(); |
| 801 | |
| 802 | if ( NeedFix ( myFixSelfIntersectingEdgeMode ) ) { |
| 803 | if (myRemoveLoopMode<1) |
| 804 | for ( Standard_Integer num=1; num <=nb; num++ ) |
| 805 | { |
| 806 | FixSelfIntersectingEdge ( num ); |
| 807 | myStatusSelfIntersection |= myLastFixStatus; |
| 808 | } |
| 809 | else if (myRemoveLoopMode==1) |
| 810 | { |
| 811 | for ( Standard_Integer num=1; num <=nb; num++ ) |
| 812 | { |
| 813 | FixSelfIntersectingEdge ( num ); |
| 814 | myStatusSelfIntersection |= myLastFixStatus; |
| 815 | if(nb<sbwd->NbEdges()) num--; |
| 816 | nb = sbwd->NbEdges(); |
| 817 | } |
| 818 | FixClosed(Precision()); |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | if ( NeedFix ( myFixIntersectingEdgesMode ) ) { |
| 823 | Standard_Integer num = ( myClosedMode ? 1 : 2 ); |
| 824 | for ( ; nb >1 && num <= nb; num++ ) { |
| 825 | FixIntersectingEdges ( num ); |
| 826 | if ( LastFixStatus ( ShapeExtend_FAIL1 ) ) |
| 827 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 828 | if ( LastFixStatus ( ShapeExtend_FAIL2 ) ) |
| 829 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 830 | if ( ! LastFixStatus ( ShapeExtend_DONE ) ) continue; |
| 831 | |
| 832 | if ( LastFixStatus ( ShapeExtend_DONE1 ) ) |
| 833 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 834 | if ( LastFixStatus ( ShapeExtend_DONE2 ) ) |
| 835 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 836 | if(LastFixStatus (ShapeExtend_DONE6)) |
| 837 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
| 838 | |
| 839 | if ( ! myTopoMode || nb < 3 ) { |
| 840 | //#86 rln 22.03.99 sim2.igs, entity 4292: After fixing of self-intersecting |
| 841 | //BRepCheck finds one more self-intersection not found by ShapeAnalysis |
| 842 | //%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777 |
| 843 | //FixIntersectingEdges ( num ); |
| 844 | if ( LastFixStatus ( ShapeExtend_DONE7 ) ) num--; |
| 845 | continue; |
| 846 | } |
| 847 | |
| 848 | if ( LastFixStatus ( ShapeExtend_DONE4 ) ) sbwd->Remove ( num ); |
| 849 | if ( LastFixStatus ( ShapeExtend_DONE3 ) ) sbwd->Remove ( num >1 ? num-1 : nb+num-1 ); |
| 850 | if ( LastFixStatus ( ShapeExtend_DONE4 ) || |
| 851 | LastFixStatus ( ShapeExtend_DONE3 ) ) { |
| 852 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 853 | num = ( myClosedMode ? 1 : 2 ); |
| 854 | nb = sbwd->NbEdges(); |
| 855 | #ifdef DEB |
| 856 | cout << "Warning: ShapeFix_Wire::FixSelfIntersection: Edge removed" << endl; |
| 857 | #endif |
| 858 | } |
| 859 | else { |
| 860 | //#86 rln 22.03.99 |
| 861 | //%15 pdn 06.04.99 repeat until fixed CTS18546-2 entity 777 |
| 862 | //FixIntersectingEdges ( num ); |
| 863 | if ( LastFixStatus ( ShapeExtend_DONE7 ) ) num--; |
| 864 | } |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | //pdn 17.03.99 S4135 to avoid regression fixing not adjacent intersection |
| 869 | if ( NeedFix ( myFixNonAdjacentIntersectingEdgesMode ) ) { |
| 870 | |
| 871 | ShapeFix_IntersectionTool ITool(Context(),Precision()); |
| 872 | Standard_Integer NbSplit=0, NbCut=0,NbRemoved=0; |
| 873 | if(ITool.FixSelfIntersectWire(sbwd,myAnalyzer->Face(),NbSplit,NbCut,NbRemoved)) { |
| 874 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 );//gka 06.09.04 |
| 875 | } |
| 876 | if( NbSplit>0 || NbRemoved>0 ) { |
| 877 | if(NbRemoved>0) myStatusRemovedSegment = Standard_True; |
| 878 | //Load(sbwd); commented by skl 29.12.2004 for OCC7624, instead this |
| 879 | // string inserted following three strings: |
| 880 | myAnalyzer->Load ( sbwd ); |
| 881 | if ( ! Context().IsNull() ) UpdateWire(); |
| 882 | myShape.Nullify(); |
| 883 | } |
| 884 | #ifdef DEB |
| 885 | if (StatusSelfIntersection (ShapeExtend_DONE5)) |
| 886 | cout<<"Warning: ShapeFix_Wire::FixIntersection: Non-adjacent intersection fixed (split-" |
| 887 | <<NbSplit<<", cut-"<<NbCut<<", removed-"<<NbRemoved<<")"<<endl; |
| 888 | #endif |
| 889 | |
| 890 | /* |
| 891 | Bnd_Array1OfBox2d boxes(1,nb); |
| 892 | TopLoc_Location L; |
| 893 | const Handle(Geom_Surface)& S = BRep_Tool::Surface(Face(), L); |
| 894 | Handle(Geom2d_Curve) c2d; |
| 895 | Standard_Real cf,cl; |
| 896 | ShapeAnalysis_Edge sae; |
| 897 | for(Standard_Integer i = 1; i <= nb; i++){ |
| 898 | TopoDS_Edge E = sbwd->Edge (i); |
| 899 | if(sae.PCurve (E,S,L,c2d,cf,cl,Standard_False)) { |
| 900 | Bnd_Box2d box; |
| 901 | Geom2dAdaptor_Curve gac; |
| 902 | Standard_Real aFirst = c2d->FirstParameter(); |
| 903 | Standard_Real aLast = c2d->LastParameter(); |
| 904 | if(c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) |
| 905 | && (cf < aFirst || cl > aLast)) { |
| 906 | //pdn avoiding problems with segment in Bnd_Box |
| 907 | gac.Load(c2d); |
| 908 | } |
| 909 | else |
| 910 | gac.Load(c2d,cf,cl); |
| 911 | BndLib_Add2dCurve::Add(gac,::Precision::Confusion(),box); |
| 912 | boxes(i) = box; |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | Standard_Boolean isFail = Standard_False, isDone = Standard_False; |
| 917 | for(Standard_Integer num1 = 1; num1 < nb-1; num1++) { |
| 918 | Standard_Integer fin = (num1 == 1 ? nb-1 : nb); |
| 919 | for(Standard_Integer num2 = num1+2; num2 <= fin; num2++) |
| 920 | if(!boxes(num1).IsOut(boxes(num2))){ |
| 921 | FixIntersectingEdges (num1, num2); |
| 922 | isFail |= LastFixStatus ( ShapeExtend_FAIL1 ); |
| 923 | isDone |= LastFixStatus ( ShapeExtend_DONE1 ); |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | if(isFail) |
| 928 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 929 | if(isDone) |
| 930 | myStatusSelfIntersection |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 931 | #ifdef DEB |
| 932 | if (StatusSelfIntersection (ShapeExtend_DONE5)) |
| 933 | cout << "Warning: ShapeFix_Wire::FixSelfIntersection: Non ajacent intersection fixed" << endl; |
| 934 | #endif |
| 935 | */ |
| 936 | } |
| 937 | |
| 938 | if ( StatusSelfIntersection ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
| 939 | SendWarning (Message_Msg ("FixAdvWire.FixIntersection.MSG0")); // Self-intersection corrected |
| 940 | } |
| 941 | return StatusSelfIntersection ( ShapeExtend_DONE ); |
| 942 | } |
| 943 | |
| 944 | |
| 945 | //======================================================================= |
| 946 | //function : FixLacking |
| 947 | //purpose : |
| 948 | //======================================================================= |
| 949 | |
| 950 | Standard_Boolean ShapeFix_Wire::FixLacking ( const Standard_Boolean force ) |
| 951 | { |
| 952 | myStatusLacking = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 953 | if ( ! IsReady() ) return Standard_False; |
| 954 | |
| 955 | Standard_Integer start = ( myClosedMode ? 1 : 2 ); |
| 956 | for ( Standard_Integer i = start; i <= NbEdges(); i++ ) { |
| 957 | FixLacking ( i, force ); |
| 958 | myStatusLacking |= myLastFixStatus; |
| 959 | } |
| 960 | |
| 961 | return StatusLacking ( ShapeExtend_DONE ); |
| 962 | } |
| 963 | |
| 964 | |
| 965 | //======================================================================= |
| 966 | //function : FixClosed |
| 967 | //purpose : |
| 968 | //======================================================================= |
| 969 | |
| 970 | Standard_Boolean ShapeFix_Wire::FixClosed (const Standard_Real prec) |
| 971 | { |
| 972 | myStatusClosed = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 973 | if ( ! IsLoaded() || NbEdges() <1 ) return Standard_False; |
| 974 | |
| 975 | FixConnected ( 1, prec ); |
| 976 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
| 977 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 978 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 979 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 980 | |
| 981 | FixDegenerated ( 1 ); |
| 982 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
| 983 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 984 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 985 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 986 | |
| 987 | FixLacking ( 1 ); |
| 988 | if ( LastFixStatus ( ShapeExtend_DONE ) ) |
| 989 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 990 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 991 | myStatusClosed |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 992 | |
| 993 | return StatusClosed ( ShapeExtend_DONE ); |
| 994 | } |
| 995 | |
| 996 | |
| 997 | //####################################################################### |
| 998 | // Fixing methods of advanced level |
| 999 | //####################################################################### |
| 1000 | |
| 1001 | //======================================================================= |
| 1002 | //function : FixReorder |
| 1003 | //purpose : |
| 1004 | //======================================================================= |
| 1005 | |
| 1006 | Standard_Boolean ShapeFix_Wire::FixReorder (const ShapeAnalysis_WireOrder& wi) |
| 1007 | { |
| 1008 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1009 | if ( ! IsLoaded() ) return Standard_False; |
| 1010 | |
| 1011 | Standard_Integer status = wi.Status(); |
| 1012 | if ( status ==0 ) return Standard_False; |
| 1013 | if ( status <=-10 ) { |
| 1014 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1015 | return Standard_False; |
| 1016 | } |
| 1017 | |
| 1018 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 1019 | Standard_Integer i, nb = sbwd->NbEdges(); |
| 1020 | if ( nb != wi.NbEdges() ) { |
| 1021 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 1022 | return Standard_False; |
| 1023 | } |
| 1024 | // D abord on protege |
| 1025 | for (i = 1; i <= nb; i ++) { |
| 1026 | if ( wi.Ordered(i) == 0 ) { |
| 1027 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 1028 | return Standard_False; |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | Handle(TopTools_HSequenceOfShape) newedges = new TopTools_HSequenceOfShape(); |
| 1033 | for ( i=1; i <= nb; i++ ) |
| 1034 | newedges->Append ( sbwd->Edge ( wi.Ordered(i) ) ); |
| 1035 | for ( i=1; i <= nb; i++ ) |
| 1036 | sbwd->Set ( TopoDS::Edge ( newedges->Value(i) ), i ); |
| 1037 | |
| 1038 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1039 | return Standard_True; |
| 1040 | } |
| 1041 | |
| 1042 | |
| 1043 | //======================================================================= |
| 1044 | //function : FixSmall |
| 1045 | //purpose : |
| 1046 | //======================================================================= |
| 1047 | |
| 1048 | Standard_Boolean ShapeFix_Wire::FixSmall (const Standard_Integer num, |
| 1049 | const Standard_Boolean lockvtx, |
| 1050 | const Standard_Real precsmall) |
| 1051 | { |
| 1052 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1053 | if ( ! IsLoaded() || NbEdges() <=1 ) return Standard_False; |
| 1054 | |
| 1055 | // analysis: |
| 1056 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
| 1057 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
| 1058 | Standard_Integer n = ( num >0 ? num : NbEdges() ); |
| 1059 | theAdvAnalyzer->CheckSmall ( n, precsmall ); |
| 1060 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 1061 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1062 | //:n2 return Standard_False; |
| 1063 | } |
| 1064 | |
| 1065 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 1066 | |
| 1067 | // OUI cette edge est NULLE |
| 1068 | |
| 1069 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) ) { |
| 1070 | // edge is small, but vertices are not the same.. |
| 1071 | if ( lockvtx || ! myTopoMode ) { |
| 1072 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 1073 | return Standard_False; |
| 1074 | } |
| 1075 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 1076 | } |
| 1077 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1078 | |
| 1079 | // action: remove edge |
| 1080 | if ( ! Context().IsNull() ) Context()->Remove(WireData()->Edge(n)); |
| 1081 | WireData()->Remove ( n ); |
| 1082 | |
| 1083 | // call FixConnected in the case if vertices of the small edge were not the same |
| 1084 | if ( LastFixStatus ( ShapeExtend_DONE2 ) ) { |
| 1085 | Standard_Integer savLastFixStatus = myLastFixStatus; |
| 1086 | //#43 rln 20.11.98 S4054 CTS18544 entity 21734 removing last edge |
| 1087 | FixConnected ( n <= NbEdges() ? n : 1, precsmall ); |
| 1088 | if ( LastFixStatus ( ShapeExtend_FAIL ) ) |
| 1089 | savLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 1090 | myLastFixStatus = savLastFixStatus; |
| 1091 | } |
| 1092 | |
| 1093 | if ( ! myShape.IsNull() ) { |
| 1094 | Message_Msg MSG ("FixAdvWire.FixSmall.MSG0"); //Small edge %d removed |
| 1095 | MSG.Arg (n); |
| 1096 | SendWarning (MSG); |
| 1097 | } |
| 1098 | return Standard_True; |
| 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | //======================================================================= |
| 1103 | //function : FixConnected |
| 1104 | //purpose : |
| 1105 | //======================================================================= |
| 1106 | |
| 1107 | Standard_Boolean ShapeFix_Wire::FixConnected (const Standard_Integer num, |
| 1108 | const Standard_Real prec) |
| 1109 | { |
| 1110 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1111 | if ( ! IsLoaded() || NbEdges() <=0 ) return Standard_False; |
| 1112 | |
| 1113 | // analysis |
| 1114 | |
| 1115 | myAnalyzer->CheckConnected ( num, prec < 0 ? MaxTolerance() : prec ); |
| 1116 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 1117 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1118 | } |
| 1119 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 1120 | |
| 1121 | // action: replacing vertex |
| 1122 | |
| 1123 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 1124 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
| 1125 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
| 1126 | TopoDS_Edge E1 = sbwd->Edge(n1); |
| 1127 | TopoDS_Edge E2 = sbwd->Edge(n2); |
| 1128 | |
| 1129 | ShapeAnalysis_Edge sae; |
| 1130 | TopoDS_Vertex V1 = sae.LastVertex (E1); |
| 1131 | TopoDS_Vertex V2 = sae.FirstVertex (E2); |
| 1132 | TopoDS_Vertex V; |
| 1133 | |
| 1134 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) ) { // absolutely confused |
| 1135 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1136 | //#40 rln 18.11.98 S4054 BUC60035 entity 2393 (2-nd sub-curve is edge with the same vertex) |
| 1137 | if ( V2.IsSame ( sae.LastVertex (E2) ) ) { |
| 1138 | V = V2; |
| 1139 | if ( ! Context().IsNull() ) |
| 1140 | Context()->Replace ( V1, V.Oriented(V1.Orientation()) ); |
| 1141 | } |
| 1142 | else { |
| 1143 | V = V1; |
| 1144 | if ( ! Context().IsNull() ) |
| 1145 | Context()->Replace ( V2, V.Oriented(V2.Orientation()) ); |
| 1146 | } |
| 1147 | } |
| 1148 | else { // on moyenne ... |
| 1149 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) ) |
| 1150 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 1151 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 1152 | ShapeBuild_Vertex sbv; |
| 1153 | V = sbv.CombineVertex ( V1, V2, 1.0001 ); |
| 1154 | if ( ! Context().IsNull() ) { |
| 1155 | Context()->Replace ( V1, V.Oriented(V1.Orientation()) ); |
| 1156 | Context()->Replace ( V2, V.Oriented(V2.Orientation()) ); |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | // replace vertices to a new one |
| 1161 | ShapeBuild_Edge sbe; |
| 1162 | if ( sbwd->NbEdges() <2 ) { |
| 1163 | if(E2.Free() && myTopoMode) { |
| 1164 | BRep_Builder B; |
| 1165 | B.Remove(E2,sae.FirstVertex(E2)); |
| 1166 | B.Remove(E2,sae.LastVertex(E2)); |
| 1167 | B.Add(E2,V.Oriented(TopAbs_FORWARD)); |
| 1168 | B.Add(E2,V.Oriented(TopAbs_REVERSED)); |
| 1169 | } |
| 1170 | else { |
| 1171 | TopoDS_Edge tmpE = sbe.CopyReplaceVertices ( E2, V, V ); |
| 1172 | sbwd->Set ( tmpE, n2 ); |
| 1173 | if ( ! Context().IsNull() ) Context()->Replace(E2,tmpE); |
| 1174 | } |
| 1175 | } |
| 1176 | else { |
| 1177 | if(E2.Free() &&E1.Free() && myTopoMode) { |
| 1178 | BRep_Builder B; |
| 1179 | B.Remove(E2,sae.FirstVertex(E2)); |
| 1180 | B.Add(E2,V.Oriented(TopAbs_FORWARD)); |
| 1181 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) || |
| 1182 | sae.FirstVertex (E2).IsSame (sae.LastVertex (E2)) ) { |
| 1183 | B.Remove(E1,sae.LastVertex(E1)); |
| 1184 | B.Add(E1,V.Oriented(TopAbs_REVERSED)); |
| 1185 | } |
| 1186 | } |
| 1187 | else { |
| 1188 | TopoDS_Edge tmpE2 = sbe.CopyReplaceVertices ( E2, V, TopoDS_Vertex() ); |
| 1189 | sbwd->Set ( tmpE2, n2 ); |
| 1190 | if ( ! Context().IsNull() ) Context()->Replace(E2,tmpE2); |
| 1191 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ) || |
| 1192 | sae.FirstVertex (E2).IsSame (sae.LastVertex (E2)) ) { |
| 1193 | TopoDS_Edge tmpE1 = sbe.CopyReplaceVertices ( E1, TopoDS_Vertex(), V ); |
| 1194 | sbwd->Set (tmpE1, n1 ); |
| 1195 | if ( ! Context().IsNull() ) Context()->Replace(E1,tmpE1); |
| 1196 | } |
| 1197 | } |
| 1198 | } |
| 1199 | if ( ! Context().IsNull() ) UpdateWire(); |
| 1200 | |
| 1201 | return Standard_True; |
| 1202 | } |
| 1203 | |
| 1204 | |
| 1205 | //======================================================================= |
| 1206 | //function : FixSeam |
| 1207 | //purpose : |
| 1208 | //======================================================================= |
| 1209 | |
| 1210 | Standard_Boolean ShapeFix_Wire::FixSeam (const Standard_Integer num) |
| 1211 | { |
| 1212 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1213 | if ( ! IsReady() ) return Standard_False; |
| 1214 | |
| 1215 | Handle(Geom2d_Curve) C1, C2; |
| 1216 | Standard_Real cf, cl; |
| 1217 | if ( ! myAnalyzer->CheckSeam (num, C1, C2, cf, cl) ) return Standard_False; |
| 1218 | |
| 1219 | BRep_Builder B; |
| 1220 | TopoDS_Edge E = WireData()->Edge ( num >0 ? num : NbEdges() ); |
| 1221 | B.UpdateEdge (E, C2,C1, Face(), 0.); //:S4136: BRep_Tool::Tolerance(E) |
| 1222 | B.Range (E, Face(),cf,cl); |
| 1223 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1224 | |
| 1225 | return Standard_True; |
| 1226 | } |
| 1227 | |
| 1228 | //======================================================================= |
| 1229 | //function : FixShifted |
| 1230 | //purpose : fix parametric curves which may be shifted |
| 1231 | // to whole parametric range of closed surface as result of recomputing |
| 1232 | // from 3d representation. |
| 1233 | // This can be a curve on a seam or near it. |
| 1234 | // This function is to be called before FixDegenerated. |
| 1235 | // LIMITATION: this function cannot fix cases when, e.g., closed wire is |
| 1236 | // composed of two meridians of the sphere and one of them is seam. |
| 1237 | // NOTE: wire is supposed to be closed and sorted ! |
| 1238 | //======================================================================= |
| 1239 | |
| 1240 | //:p4 abv 23.02.99: PRO9234 #15720: update UV points of edge |
| 1241 | static void UpdateEdgeUVPoints (TopoDS_Edge &E, const TopoDS_Face &F) |
| 1242 | { |
| 1243 | Standard_Real first, last; |
| 1244 | BRep_Tool::Range ( E, F, first, last ); |
| 1245 | BRep_Builder().Range ( E, F, first, last ); |
| 1246 | } |
| 1247 | |
| 1248 | |
| 1249 | //======================================================================= |
| 1250 | //function : FixShifted |
| 1251 | //purpose : |
| 1252 | //======================================================================= |
| 1253 | |
| 1254 | Standard_Boolean ShapeFix_Wire::FixShifted() |
| 1255 | { |
| 1256 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1257 | if ( ! IsReady() ) return Standard_False; |
| 1258 | |
| 1259 | Handle(ShapeAnalysis_Surface) surf = myAnalyzer->Surface(); |
| 1260 | //#78 rln 12.03.99 S4135: checking spatial closure with Precision |
| 1261 | Standard_Boolean uclosed = surf->IsUClosed(Precision()); |
| 1262 | Standard_Boolean vclosed = surf->IsVClosed(Precision()) || surf->Surface()->IsKind (STANDARD_TYPE(Geom_SphericalSurface)); |
| 1263 | //#67 rln 01.03.99 S4135: ims010.igs entity D11900 (2D contour is 2*PI higher than V range [-pi/2,p/2]) |
| 1264 | |
| 1265 | // PTV 26.06.2002 begin |
| 1266 | // CTS18546-2.igs entity 2222: base curve is periodic and 2dcurve is shifted |
| 1267 | Standard_Boolean IsVCrvClosed = Standard_False; |
| 1268 | Standard_Real VRange = 1.; |
| 1269 | if (surf->Surface()->IsKind (STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
| 1270 | Handle(Geom_SurfaceOfRevolution) aSurOfRev = Handle(Geom_SurfaceOfRevolution)::DownCast(surf->Surface()); |
| 1271 | Handle(Geom_Curve) aBaseCrv = aSurOfRev->BasisCurve(); |
| 1272 | while ( (aBaseCrv->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) || |
| 1273 | (aBaseCrv->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) ) { |
| 1274 | if (aBaseCrv->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) |
| 1275 | aBaseCrv = Handle(Geom_OffsetCurve)::DownCast(aBaseCrv)->BasisCurve(); |
| 1276 | if (aBaseCrv->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) |
| 1277 | aBaseCrv = Handle(Geom_TrimmedCurve)::DownCast(aBaseCrv)->BasisCurve(); |
| 1278 | } |
| 1279 | if (aBaseCrv->IsPeriodic()) { |
| 1280 | vclosed = Standard_True; |
| 1281 | VRange = aBaseCrv->Period(); |
| 1282 | IsVCrvClosed = Standard_True; |
| 1283 | #ifdef DEB |
| 1284 | cout << "Warning: ShapeFix_Wire::FixShifted set vclosed True for Surface of Revolution" << endl; |
| 1285 | #endif |
| 1286 | } |
| 1287 | } |
| 1288 | // PTV 26.06.2002 end |
| 1289 | if ( ! uclosed && ! vclosed ) return Standard_False; |
| 1290 | |
| 1291 | Standard_Real URange, /*VRange,*/ SUF, SUL, SVF, SVL; |
| 1292 | surf->Surface()->Bounds ( SUF, SUL, SVF, SVL ); |
| 1293 | Standard_Real SUMid, SVMid; |
| 1294 | SUMid = 0.5*(SUF+SUL); |
| 1295 | SVMid = 0.5*(SVF+SVL); |
| 1296 | if (uclosed) URange = Abs ( SUL - SUF ); |
| 1297 | else URange = RealLast(); |
| 1298 | if (!IsVCrvClosed) |
| 1299 | if (vclosed) VRange = Abs ( SVL - SVF ); |
| 1300 | else VRange = RealLast(); |
| 1301 | Standard_Real UTol = 0.2 * URange, VTol = 0.2 * VRange; |
| 1302 | |
| 1303 | Handle(ShapeExtend_WireData) sbwdOring = WireData(); |
| 1304 | ShapeAnalysis_Edge sae; |
| 1305 | Handle(ShapeExtend_WireData) sbwd = new ShapeExtend_WireData; |
| 1306 | for ( Standard_Integer i=1; i <= sbwdOring->NbEdges(); i++ ) { |
| 1307 | TopoDS_Edge E1 = sbwdOring->Edge ( i ); |
| 1308 | if ( BRep_Tool::Degenerated(E1) && !sae.HasPCurve(E1,Face())) |
| 1309 | continue; |
| 1310 | |
| 1311 | sbwd->Add(E1); |
| 1312 | } |
| 1313 | |
| 1314 | ShapeBuild_Edge sbe; |
| 1315 | Standard_Integer nb = sbwd->NbEdges(); |
| 1316 | Standard_Boolean end = (nb == 0), degstop = Standard_False;; |
| 1317 | Standard_Integer stop = nb; |
| 1318 | Standard_Integer degn2 = 0; |
| 1319 | gp_Pnt pdeg; |
| 1320 | //pdn 17.12.98 r0901_ec 38237 to shift wire at 0 |
| 1321 | |
| 1322 | //GeomAdaptor_Surface& GAS = myAnalyzer->Surface()->Adaptor3d()->ChangeSurface(); //SK |
| 1323 | Bnd_Box2d box; |
| 1324 | for ( Standard_Integer n2=1, n1=nb; ! end; n1 = n2++ ) { |
| 1325 | if ( n2 > nb ) n2 = 1; |
| 1326 | if ( n2 == stop ) end = Standard_True; |
| 1327 | |
| 1328 | TopoDS_Edge E1 = sbwd->Edge ( n1 ); |
| 1329 | TopoDS_Edge E2 = sbwd->Edge ( n2 ); |
| 1330 | |
| 1331 | if ( BRep_Tool::Degenerated(E1) || BRep_Tool::Degenerated(E2) ) { |
| 1332 | if ( ! degstop ) { stop = n2; degstop = Standard_True; } |
| 1333 | continue; |
| 1334 | } |
| 1335 | |
| 1336 | TopoDS_Vertex V = sae.FirstVertex ( E2 ); |
| 1337 | gp_Pnt p = BRep_Tool::Pnt ( V ); |
| 1338 | |
| 1339 | Standard_Real a1, b1, a2, b2; |
| 1340 | Handle(Geom2d_Curve) c2d1, c2d2; |
| 1341 | |
| 1342 | //:abv 29.08.01: torCuts.sat: distinguish degeneration by U and by V; |
| 1343 | // only corresponding move is prohibited |
| 1344 | // Standard_Boolean isDeg = surf->IsDegenerated ( p, Max ( Precision(), BRep_Tool::Tolerance(V) ) ); |
| 1345 | Standard_Integer isDeg = 0; |
| 1346 | gp_Pnt2d degP1, degP2; |
| 1347 | Standard_Real degT1, degT2; |
| 1348 | if ( surf->DegeneratedValues ( p, Max ( Precision(), BRep_Tool::Tolerance(V) ), |
| 1349 | degP1, degP2, degT1, degT2 ) ) |
| 1350 | isDeg = ( Abs ( degP1.X() - degP2.X() ) > Abs ( degP1.Y() - degP2.Y() ) ? 1 : 2 ); |
| 1351 | |
| 1352 | // abv 23 Feb 00: UKI60107-6 210: additional check for near-degenerated case |
| 1353 | //smh#15 PRO19800. Check if the surface is surface of revolution. |
| 1354 | if (surf->Surface()->IsKind (STANDARD_TYPE(Geom_SurfaceOfRevolution))) { |
| 1355 | if ( ! isDeg && ! vclosed ) { |
| 1356 | if ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) continue; |
| 1357 | gp_Pnt2d p1 ( SUF, c2d1->Value(b1).Y() ); |
| 1358 | gp_Pnt2d p2 ( SUL, c2d1->Value(b1).Y() ); |
| 1359 | if ( surf->IsDegenerated ( p1, p2, MaxTolerance(), 10 ) && |
| 1360 | ! surf->IsDegenerated ( c2d1->Value(a1), c2d1->Value(b1), MaxTolerance(), 10 ) ) // abv 31.07.00: trj4_pm1-ec-214.stp #31274: still allow work if edge already exists |
| 1361 | isDeg = 1; |
| 1362 | } |
| 1363 | if ( ! isDeg && ! uclosed ) { |
| 1364 | if ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) continue; |
| 1365 | gp_Pnt2d p1 ( c2d1->Value(b1).X(), SVF ); |
| 1366 | gp_Pnt2d p2 ( c2d1->Value(b1).X(), SVL ); |
| 1367 | if ( surf->IsDegenerated ( p1, p2, MaxTolerance(), 10 ) && |
| 1368 | ! surf->IsDegenerated ( c2d1->Value(a1), c2d1->Value(b1), MaxTolerance(), 10 ) ) // abv 31.07.00: trj4_pm1-ec-214.stp #31274: still allow work if edge already exists |
| 1369 | isDeg = 2; |
| 1370 | } |
| 1371 | } |
| 1372 | |
| 1373 | if ( isDeg ) { |
| 1374 | if ( ! degstop ) { stop = n2; degstop = Standard_True; } |
| 1375 | if ( ! degn2 ) { degn2 = n2; pdeg = p; } |
| 1376 | else if ( pdeg.SquareDistance(p) < Precision()*Precision() ) { |
| 1377 | degn2 = n2; |
| 1378 | // if ( stop < n2 ) { stop = n2; degstop = Standard_True; } |
| 1379 | } |
| 1380 | else { |
| 1381 | Standard_Real ax1, bx1, ax2, bx2; |
| 1382 | Handle(Geom2d_Curve) cx1, cx2; |
| 1383 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
| 1384 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) || |
| 1385 | ! sae.PCurve ( sbwd->Edge ( degn2 >1 ? degn2-1 : nb ), Face(), cx1, ax1, bx1, Standard_True ) || |
| 1386 | ! sae.PCurve ( sbwd->Edge ( degn2 ), Face(), cx2, ax2, bx2, Standard_True ) ) { |
| 1387 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1388 | continue; |
| 1389 | } |
| 1390 | gp_Pnt2d pd1 = cx1->Value ( bx1 ); |
| 1391 | gp_Pnt2d pd2 = cx2->Value ( ax2 ); |
| 1392 | gp_Pnt2d pn1 = c2d1->Value ( b1 ); |
| 1393 | gp_Pnt2d pn2 = c2d2->Value ( a2 ); |
| 1394 | gp_Vec2d x(0.,0.); // shift vector |
| 1395 | Standard_Real period; |
| 1396 | if ( uclosed ) { x.SetX ( 1. ); period = URange; } |
| 1397 | else { x.SetY ( 1. ); period = VRange; } |
| 1398 | Standard_Real rot1 = ( pn1.XY() - pd2.XY() ) ^ x.XY(); |
| 1399 | Standard_Real rot2 = ( pd1.XY() - pn2.XY() ) ^ x.XY(); |
| 1400 | Standard_Real scld = ( pd2.XY() - pd1.XY() ) * x.XY(); |
| 1401 | Standard_Real scln = ( pn2.XY() - pn1.XY() ) * x.XY(); |
| 1402 | if ( rot1 * rot2 < -::Precision::PConfusion() && |
| 1403 | scld * scln < -::Precision::PConfusion() && |
| 1404 | Abs ( scln ) > 0.1 * period && Abs ( scld ) > 0.1 * period && |
| 1405 | rot1 * scld > ::Precision::PConfusion() && |
| 1406 | rot2 * scln > ::Precision::PConfusion() ) { |
| 1407 | // abv 02 Mar 00: trying more sophisticated analysis (ie_exhaust-A.stp #37520) |
| 1408 | Standard_Real sign = ( rot2 >0 ? 1. : -1. ); |
| 1409 | Standard_Real deep1 = Min ( sign * ( pn2.XY() * x.XY() ), |
| 1410 | Min ( sign * ( pd1.XY() * x.XY() ), |
| 1411 | Min ( sign * ( c2d2->Value(b2 ).XY() * x.XY() ), |
| 1412 | Min ( sign * ( cx1->Value(ax1).XY() * x.XY() ), |
| 1413 | Min ( sign * ( c2d2->Value(0.5*(a2 +b2 )).XY() * x.XY() ), |
| 1414 | sign * ( cx1->Value(0.5*(ax1+bx1)).XY() * x.XY() ) ) ) ) ) ); |
| 1415 | Standard_Real deep2 = Max ( sign * ( pn1.XY() * x.XY() ), |
| 1416 | Max ( sign * ( pd2.XY() * x.XY() ), |
| 1417 | Max ( sign * ( c2d1->Value(a1 ).XY() * x.XY() ), |
| 1418 | Max ( sign * ( cx2->Value(bx2).XY() * x.XY() ), |
| 1419 | Max ( sign * ( c2d1->Value(0.5*(a1 +b1 )).XY() * x.XY() ), |
| 1420 | sign * ( cx2->Value(0.5*(ax2+bx2)).XY() * x.XY() ) ) ) ) ) ); |
| 1421 | Standard_Real deep = deep2 - deep1; // estimated current size of wire by x |
| 1422 | // pdn 30 Oct 00: trying correct period [0,period] (trj5_k1-tc-203.stp #4698) |
| 1423 | Standard_Real dx = ShapeAnalysis::AdjustToPeriod ( deep, ::Precision::PConfusion(), period+::Precision::PConfusion()); |
| 1424 | x *= ( scld >0 ? -dx : dx ); |
| 1425 | // x *= ( Abs(scld-scln) > 1.5 * period ? 2. : 1. ) * |
| 1426 | // ( scld >0 ? -period : period ); |
| 1427 | gp_Trsf2d Shift; |
| 1428 | Shift.SetTranslation ( x ); |
| 1429 | for ( Standard_Integer k=degn2; ; k++ ) { |
| 1430 | if ( k > nb ) k = 1; |
| 1431 | if ( k == n2 ) break; |
| 1432 | TopoDS_Edge edge = sbwd->Edge ( k ); |
| 1433 | if ( ! sae.PCurve ( edge, Face(), cx1, ax1, bx1, Standard_True ) ) continue; |
| 1434 | //cx1->Transform ( Shift ); |
| 1435 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
| 1436 | Handle(Geom2d_Curve) cx1new = Handle(Geom2d_Curve)::DownCast(cx1->Transformed(Shift)); |
| 1437 | sbe.ReplacePCurve(edge,cx1new,Face()); |
| 1438 | UpdateEdgeUVPoints ( edge, Face() ); |
| 1439 | } |
| 1440 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1441 | #ifdef DEB |
| 1442 | cout << "Info: ShapeFix_Wire::FixShifted(): bi - meridian case fixed" << endl; |
| 1443 | #endif |
| 1444 | } |
| 1445 | // degn2 = n2; pdeg = p; // ie_exhaust-A.stp #37520 |
| 1446 | continue; |
| 1447 | } |
| 1448 | /* |
| 1449 | // pdn to fix half sphere |
| 1450 | TopoDS_Vertex VE = sae.LastVertex ( E2 ); |
| 1451 | gp_Pnt pe = BRep_Tool::Pnt ( VE ); |
| 1452 | //pdn is second vertex on singular point ? |
| 1453 | if ( surf->IsDegenerated ( pe, Max ( Precision(), BRep_Tool::Tolerance(V) ) ) ) { |
| 1454 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
| 1455 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) ) { |
| 1456 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1457 | continue; |
| 1458 | } |
| 1459 | gp_Pnt2d p2d1 = c2d1->Value ( b1 ), p2f = c2d2->Value ( a2 ), p2l = c2d2->Value ( b2 ); |
| 1460 | Standard_Real pres2 = ::Precision::PConfusion(); |
| 1461 | Standard_Real du = 0.,dv = 0.; |
| 1462 | //#79 rln 15.03.99 S4135: bmarkmdl.igs entity 633 (incorrectly oriented contour) check for gap |
| 1463 | if(uclosed&&(Abs(p2f.X()-p2l.X())<pres2)&&Abs(p2d1.X()-p2f.X())>GAS.UResolution(Precision())) { |
| 1464 | if((Abs(p2f.X()-SUF)<pres2)&&(p2f.Y()<p2l.Y())) |
| 1465 | du = URange; |
| 1466 | if((Abs(p2f.X()-SUL)<pres2)&&(p2f.Y()>p2l.Y())) |
| 1467 | du = -URange; |
| 1468 | } |
| 1469 | if(vclosed&&(Abs(p2f.Y()-p2l.Y())<pres2)&&Abs(p2d1.Y()-p2f.Y())>GAS.VResolution(Precision())) { |
| 1470 | if((Abs(p2f.Y()-SVF)<pres2)&&(p2f.X()>p2l.X())) |
| 1471 | dv = VRange; |
| 1472 | if((Abs(p2f.Y()-SVL)<pres2)&&(p2f.X()<p2l.X())) |
| 1473 | dv = -VRange; |
| 1474 | } |
| 1475 | if ( du ==0. && dv == 0. ) continue; |
| 1476 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1477 | gp_Trsf2d Shift; |
| 1478 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
| 1479 | c2d2->Transform ( Shift ); |
| 1480 | UpdateEdgeUVPoints ( E2, Face() );//rln 15.03.99 syntax correction :E1 |
| 1481 | } |
| 1482 | */ |
| 1483 | //:abv 29.08.01: torCuts.sat: continue; |
| 1484 | } |
| 1485 | |
| 1486 | if ( ( c2d1.IsNull() && ! sae.PCurve ( E1, Face(), c2d1, a1, b1, Standard_True ) ) || |
| 1487 | ( c2d2.IsNull() && ! sae.PCurve ( E2, Face(), c2d2, a2, b2, Standard_True ) ) ) { |
| 1488 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1489 | continue; |
| 1490 | } |
| 1491 | gp_Pnt2d p2d1 = c2d1->Value ( b1 ); |
| 1492 | gp_Pnt2d p2d2 = c2d2->Value ( a2 ); |
| 1493 | box.Add ( p2d1 ); |
| 1494 | |
| 1495 | Standard_Real du=0., dv=0.; |
| 1496 | if ( uclosed && isDeg != 1 ) { |
| 1497 | Standard_Real dx = Abs ( p2d2.X() - p2d1.X() ); |
| 1498 | if ( dx > URange - UTol ) |
| 1499 | du = ShapeAnalysis::AdjustByPeriod ( p2d2.X(), p2d1.X(), URange ); |
| 1500 | else if ( dx > UTol && stop == nb ) stop = n2; //:abv 29.08.01: torCuts2.stp |
| 1501 | } |
| 1502 | if ( vclosed && isDeg != 2 ) { |
| 1503 | Standard_Real dy = Abs ( p2d2.Y() - p2d1.Y() ); |
| 1504 | if ( dy > VRange - VTol ) |
| 1505 | dv = ShapeAnalysis::AdjustByPeriod ( p2d2.Y(), p2d1.Y(), VRange ); |
| 1506 | else if ( dy > VTol && stop == nb ) stop = n2; |
| 1507 | } |
| 1508 | if ( du ==0. && dv == 0. ) continue; |
| 1509 | |
| 1510 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1511 | gp_Trsf2d Shift; |
| 1512 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
| 1513 | //c2d2->Transform ( Shift ); |
| 1514 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
| 1515 | Handle(Geom2d_Curve) c2d2new = Handle(Geom2d_Curve)::DownCast(c2d2->Transformed(Shift)); |
| 1516 | sbe.ReplacePCurve(E2,c2d2new,Face()); |
| 1517 | UpdateEdgeUVPoints ( E2, Face() ); |
| 1518 | } |
| 1519 | if ( box.IsVoid() ) return Standard_False; //#3 smh 01.04.99. S4163: Overflow, when box is void. |
| 1520 | |
| 1521 | Standard_Real umin, vmin, umax, vmax; |
| 1522 | box.Get ( umin, vmin, umax, vmax ); |
| 1523 | if ( Abs ( umin + umax - SUF - SUL ) < URange && |
| 1524 | Abs ( vmin + vmax - SVF - SVL ) < VRange && |
| 1525 | ! LastFixStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 1526 | |
| 1527 | box.SetVoid(); |
| 1528 | Standard_Integer n; // svv Jan11 2000 : porting on DEC |
| 1529 | for ( n=1; n <= nb; n++ ) { |
| 1530 | Standard_Real a, b; |
| 1531 | Handle(Geom2d_Curve) c2d; |
| 1532 | if ( ! sae.PCurve ( sbwd->Edge(n), Face(), c2d, a, b, Standard_True ) ) continue; |
| 1533 | box.Add ( c2d->Value ( a ) ); |
| 1534 | box.Add ( c2d->Value ( 0.5 * ( a + b ) ) ); |
| 1535 | } |
| 1536 | box.Get ( umin, vmin, umax, vmax ); |
| 1537 | |
| 1538 | Standard_Real du=0., dv=0.; |
| 1539 | |
| 1540 | if ( uclosed ) { |
| 1541 | Standard_Real umid = 0.5 * ( umin + umax ); |
| 1542 | // du = ShapeAnalysis::AdjustToPeriod(umid, SUF, SUL); |
| 1543 | // PTV 26.06.2002 xloop torus-apple iges face mode |
| 1544 | du = ShapeAnalysis::AdjustByPeriod(umid, SUMid, URange); |
| 1545 | } |
| 1546 | if ( vclosed ) { |
| 1547 | Standard_Real vmid = 0.5 * ( vmin + vmax ); |
| 1548 | // dv = ShapeAnalysis::AdjustToPeriod(vmid, SVF, SVL); |
| 1549 | // PTV 26.06.2002 xloop torus-apple iges face mode |
| 1550 | dv = ShapeAnalysis::AdjustByPeriod(vmid, SVMid, VRange); |
| 1551 | } |
| 1552 | |
| 1553 | if ( du ==0. && dv == 0. ) return Standard_True; |
| 1554 | |
| 1555 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 1556 | |
| 1557 | gp_Trsf2d Shift; |
| 1558 | Shift.SetTranslation ( gp_Vec2d ( du, dv ) ); |
| 1559 | |
| 1560 | for ( n=1; n <= sbwdOring->NbEdges(); n++ ) { |
| 1561 | Standard_Real a, b; |
| 1562 | Handle(Geom2d_Curve) c2d; |
| 1563 | TopoDS_Edge ed = sbwdOring->Edge(n); |
| 1564 | if ( ! sae.PCurve ( ed, Face(), c2d, a, b, Standard_True ) ) continue; |
| 1565 | // skl 15.05.2002 for OCC208 (if few edges have reference to one pcurve) |
| 1566 | Handle(Geom2d_Curve) c2d2 = Handle(Geom2d_Curve)::DownCast(c2d->Transformed(Shift)); |
| 1567 | sbe.ReplacePCurve(ed,c2d2,Face()); |
| 1568 | UpdateEdgeUVPoints ( ed, Face() ); |
| 1569 | } |
| 1570 | return Standard_True; |
| 1571 | } |
| 1572 | |
| 1573 | //======================================================================= |
| 1574 | //function : FixDegenerated |
| 1575 | //purpose : |
| 1576 | //======================================================================= |
| 1577 | |
| 1578 | Standard_Boolean ShapeFix_Wire::FixDegenerated (const Standard_Integer num) |
| 1579 | { |
| 1580 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 1581 | if ( ! IsReady() ) return Standard_False; |
| 1582 | |
| 1583 | // analysis |
| 1584 | gp_Pnt2d p2d1, p2d2; |
| 1585 | myAnalyzer->CheckDegenerated ( num, p2d1, p2d2 ); |
| 1586 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL1 ) ) { |
| 1587 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 1588 | } |
| 1589 | //: abv 29.08.01: torHalf2.sat: if edge was encoded as degenerated but |
| 1590 | // has no pcurve and no singularity is found at that point, remove it |
| 1591 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL2 ) ) { |
| 1592 | WireData()->Remove ( num ); |
| 1593 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 1594 | return Standard_True; |
| 1595 | } |
| 1596 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 1597 | |
| 1598 | // action: create degenerated edge and insert it (or replace) |
| 1599 | |
| 1600 | gp_Vec2d vect2d ( p2d1, p2d2 ); |
| 1601 | gp_Dir2d dir2d ( vect2d ); |
| 1602 | Handle(Geom2d_Line) line2d = new Geom2d_Line ( p2d1, dir2d ); |
| 1603 | |
| 1604 | TopoDS_Edge degEdge; |
| 1605 | BRep_Builder B; |
| 1606 | B.MakeEdge ( degEdge ); |
| 1607 | B.Degenerated ( degEdge, Standard_True ); |
| 1608 | B.UpdateEdge ( degEdge, line2d, Face(), ::Precision::Confusion() ); |
| 1609 | B.Range ( degEdge, Face(), 0., vect2d.Magnitude() ); |
| 1610 | |
| 1611 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 1612 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
| 1613 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
| 1614 | |
| 1615 | Standard_Boolean lack = myAnalyzer->LastCheckStatus ( ShapeExtend_DONE1 ); |
| 1616 | Standard_Integer n3 = ( lack ? n2 : ( n2 < sbwd->NbEdges() ? n2+1 : 1 ) ); |
| 1617 | |
| 1618 | ShapeAnalysis_Edge sae; |
| 1619 | TopoDS_Vertex V1 = sae.LastVertex ( sbwd->Edge ( n1 ) ); |
| 1620 | TopoDS_Vertex V2 = sae.FirstVertex ( sbwd->Edge ( n3 ) ); |
| 1621 | |
| 1622 | V1.Orientation(TopAbs_FORWARD); |
| 1623 | V2.Orientation(TopAbs_REVERSED); |
| 1624 | B.Add(degEdge,V1); |
| 1625 | B.Add(degEdge,V2); |
| 1626 | degEdge.Orientation(TopAbs_FORWARD); |
| 1627 | |
| 1628 | if ( lack ) { |
| 1629 | sbwd->Add ( degEdge, n2 ); |
| 1630 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 1631 | } |
| 1632 | else { |
| 1633 | sbwd->Set ( degEdge, n2 ); |
| 1634 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 1635 | } |
| 1636 | //: abv 28.08.01 - commented to avoid extra messages |
| 1637 | // Message_Msg MSG ("FixWire.FixDegenerated.MSG5"); //Degenerated edge %d detected |
| 1638 | // MSG.Arg (n2); |
| 1639 | // SendWarning (MSG); |
| 1640 | return Standard_True; |
| 1641 | } |
| 1642 | |
| 1643 | //======================================================================= |
| 1644 | //function : FixSelfIntersectingEdge |
| 1645 | //purpose : Tests edge for self-intersection and updates tolerance of vertex |
| 1646 | // if intersection is found |
| 1647 | // Returns True if tolerance was increased |
| 1648 | //======================================================================= |
| 1649 | |
| 1650 | // Create edge on basis of E with new pcurve and call FixSP |
| 1651 | // Return resulting tolerance and modified pcurve |
| 1652 | static Standard_Boolean TryNewPCurve (const TopoDS_Edge &E, const TopoDS_Face &face, |
| 1653 | Handle(Geom2d_Curve) &c2d, |
| 1654 | Standard_Real &first, |
| 1655 | Standard_Real &last, |
| 1656 | Standard_Real &tol) |
| 1657 | { |
| 1658 | Standard_Real f, l; |
| 1659 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
| 1660 | if ( crv.IsNull() ) return Standard_False; |
| 1661 | |
| 1662 | // make temp edge and compute tolerance |
| 1663 | BRepBuilderAPI_MakeEdge mkedge ( crv, f, l ); |
| 1664 | |
| 1665 | ShapeBuild_Edge SBE; //skl 17.07.2001 |
| 1666 | SBE.SetRange3d(mkedge,f,l); //skl 17.07.2001 |
| 1667 | |
| 1668 | if ( ! mkedge.IsDone() ) return Standard_False; |
| 1669 | |
| 1670 | TopoDS_Edge edge = mkedge; |
| 1671 | BRep_Builder B; |
| 1672 | B.UpdateEdge ( edge, c2d, face, 0. ); |
| 1673 | B.Range ( edge, face, first, last ); |
| 1674 | B.SameRange ( edge, Standard_False ); |
| 1675 | // no call to BRepLib: B.SameParameter ( edge, Standard_False ); |
| 1676 | |
| 1677 | Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge; |
| 1678 | sfe->FixSameParameter ( edge ); |
| 1679 | c2d = BRep_Tool::CurveOnSurface ( edge, face, first, last ); |
| 1680 | tol = BRep_Tool::Tolerance ( edge ); |
| 1681 | return Standard_True; |
| 1682 | } |
| 1683 | |
| 1684 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: |
| 1685 | // Try to cut out the loop on the pcurve and make new pcurve by concatenating |
| 1686 | // the parts. |
| 1687 | // If result is not SameParameter with prec, does nothing and returns False |
| 1688 | // Warning: resulting pcurve will be C0 |
| 1689 | |
| 1690 | //======================================================================= |
| 1691 | //function : howMuchPCurves |
| 1692 | //purpose : OCC901 |
| 1693 | //======================================================================= |
| 1694 | static Standard_Integer howMuchPCurves (const TopoDS_Edge &E) |
| 1695 | { |
| 1696 | Standard_Integer count = 0; |
| 1697 | BRep_ListIteratorOfListOfCurveRepresentation itcr |
| 1698 | ((*((Handle(BRep_TEdge)*)&E.TShape()))->ChangeCurves()); |
| 1699 | |
| 1700 | while (itcr.More()) { |
| 1701 | const Handle(BRep_CurveRepresentation)& cr = itcr.Value(); |
| 1702 | if ( cr->IsCurveOnSurface() ) |
| 1703 | count++; |
| 1704 | itcr.Next(); |
| 1705 | } |
| 1706 | |
| 1707 | return count; |
| 1708 | } |
| 1709 | |
| 1710 | |
| 1711 | //======================================================================= |
| 1712 | //function : RemoveLoop |
| 1713 | //purpose : |
| 1714 | //======================================================================= |
| 1715 | static Standard_Boolean RemoveLoop (TopoDS_Edge &E, const TopoDS_Face &face, |
| 1716 | const IntRes2d_IntersectionPoint &IP, |
| 1717 | const Standard_Real tolfact, |
| 1718 | const Standard_Real prec, |
| 1719 | const Standard_Boolean RemoveLoop3d) |
| 1720 | { |
| 1721 | Standard_Boolean loopRemoved3d; |
| 1722 | if ( BRep_Tool::IsClosed ( E, face ) ) return Standard_False; |
| 1723 | |
| 1724 | Standard_Real f, l; |
| 1725 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
| 1726 | |
| 1727 | Standard_Real t1 = IP.ParamOnFirst(); |
| 1728 | Standard_Real t2 = IP.ParamOnSecond(); |
| 1729 | if ( t1 > t2 ) { Standard_Real t = t1; t1 = t2; t2 = t; } |
| 1730 | |
| 1731 | ShapeAnalysis_Edge sae; |
| 1732 | Standard_Real a, b; |
| 1733 | Handle(Geom2d_Curve) c2d; |
| 1734 | if ( ! sae.PCurve ( E, face, c2d, a, b, Standard_False ) ) |
| 1735 | return Standard_False; |
| 1736 | |
| 1737 | #ifdef DEB |
| 1738 | cout << "Cut Loop: params (" << t1 << ", " << t2; |
| 1739 | #endif |
| 1740 | GeomAdaptor_Curve GAC ( crv, f, l ); |
| 1741 | Standard_Real dt = tolfact * GAC.Resolution(prec); |
| 1742 | t1 -= dt; //1e-3;//::Precision::PConfusion(); |
| 1743 | t2 += dt; //1e-3;//::Precision::PConfusion(); |
| 1744 | #ifdef DEB |
| 1745 | cout << ") -> (" << t1 << ", " << t2 << ")" << endl; |
| 1746 | #endif |
| 1747 | |
| 1748 | if ( t1 <= a || t2 >= b ) { // should not be so, but to be sure .. |
| 1749 | return Standard_False; |
| 1750 | } |
| 1751 | |
| 1752 | // direct construction causes error on osf system. |
| 1753 | gp_Pnt p(0,0,0); |
| 1754 | gp_Dir d(0,0,1); |
| 1755 | gp_Ax3 ax(p, d); |
| 1756 | gp_Pln Pln (ax); |
| 1757 | |
| 1758 | // PTV OCC884 |
| 1759 | Handle(Geom_Plane) aPlaneSurf = Handle(Geom_Plane)::DownCast( BRep_Tool::Surface(face) ); |
| 1760 | Handle(Geom_Curve) pcurve3d = crv; |
| 1761 | if ( !aPlaneSurf.IsNull() ) { |
| 1762 | Pln = aPlaneSurf->Pln(); |
| 1763 | } |
| 1764 | else |
| 1765 | pcurve3d = GeomAPI::To3d ( c2d, Pln ); |
| 1766 | |
| 1767 | // first segment |
| 1768 | //Handle(Geom_Curve) pcurve3d = GeomAPI::To3d ( c2d, Pln ); |
| 1769 | Handle(Geom_TrimmedCurve) trim = new Geom_TrimmedCurve (pcurve3d, a, t1); |
| 1770 | GeomConvert_CompCurveToBSplineCurve connect ( trim ); |
| 1771 | |
| 1772 | // null-length segment patch instead of loop |
| 1773 | TColgp_Array1OfPnt Poles(1,2); |
| 1774 | TColStd_Array1OfReal Knots(1,2); |
| 1775 | TColStd_Array1OfInteger Mults(1,2); |
| 1776 | |
| 1777 | Poles.SetValue(1,trim->Value(t1)); |
| 1778 | Knots.SetValue(1,t1); |
| 1779 | Mults.SetValue(1,2); |
| 1780 | |
| 1781 | trim = new Geom_TrimmedCurve (pcurve3d, t2, b); |
| 1782 | Poles.SetValue(2,trim->Value(t2)); |
| 1783 | Knots.SetValue(2,t2); |
| 1784 | Mults.SetValue(2,2); |
| 1785 | |
| 1786 | Handle(Geom_BSplineCurve) patch = new Geom_BSplineCurve ( Poles, Knots, Mults, 1 ); |
| 1787 | if ( ! connect.Add (patch, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
| 1788 | return Standard_False; |
| 1789 | |
| 1790 | // last segment |
| 1791 | if ( ! connect.Add (trim, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
| 1792 | return Standard_False; |
| 1793 | // PTV OCC884 |
| 1794 | // keep created 3d curve |
| 1795 | Handle(Geom_Curve) aNew3dCrv = connect.BSplineCurve(); |
| 1796 | |
| 1797 | |
| 1798 | Handle(Geom2d_Curve) bs = GeomAPI::To2d ( aNew3dCrv, Pln ); |
| 1799 | if ( bs.IsNull() ) return Standard_False; |
| 1800 | |
| 1801 | // make temp edge and compute tolerance |
| 1802 | BRep_Builder B; |
| 1803 | |
| 1804 | if(!RemoveLoop3d) { // old variant (not remove loop 3d) |
| 1805 | Standard_Real newtol=0; |
| 1806 | // OCC901 |
| 1807 | Standard_Integer nbC2d = howMuchPCurves( E ); |
| 1808 | if ( nbC2d <= 1 && !aPlaneSurf.IsNull() ) |
| 1809 | B.UpdateEdge ( E, bs, face, 0 ); |
| 1810 | else |
| 1811 | if ( ! TryNewPCurve ( E, face, bs, a, b, newtol ) ) return Standard_False; |
| 1812 | |
| 1813 | Standard_Real tol = BRep_Tool::Tolerance ( E ); |
| 1814 | #ifdef DEB |
| 1815 | cout << "Cut Loop: tol orig " << tol << ", prec " << prec << ", new tol " << newtol << endl; |
| 1816 | #endif |
| 1817 | if ( newtol > Max ( prec, tol ) ) return Standard_False; |
| 1818 | //:s2 bs = BRep_Tool::CurveOnSurface ( edge, face, a, b ); |
| 1819 | if ( Abs ( a - f ) > ::Precision::PConfusion() || // smth strange, cancel |
| 1820 | Abs ( b - l ) > ::Precision::PConfusion() ) return Standard_False; |
| 1821 | // PTV OCC884 |
| 1822 | if ( !aPlaneSurf.IsNull() ) { |
| 1823 | B.UpdateEdge ( E, aNew3dCrv, Max (newtol, tol) ); |
| 1824 | // OCC901 |
| 1825 | if ( ! TryNewPCurve ( E, face, bs, a, b, newtol ) ) return Standard_False; |
| 1826 | } |
| 1827 | B.UpdateEdge ( E, bs, face, newtol ); |
| 1828 | B.UpdateVertex ( sae.FirstVertex ( E ), newtol ); |
| 1829 | B.UpdateVertex ( sae.LastVertex ( E ), newtol ); |
| 1830 | return Standard_True; |
| 1831 | } |
| 1832 | |
| 1833 | //:q1 |
| 1834 | TopLoc_Location L; |
| 1835 | Handle(Geom_Surface) S = BRep_Tool::Surface(face, L); |
| 1836 | Handle(Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(c2d); |
| 1837 | Handle(GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(S); |
| 1838 | |
| 1839 | Adaptor3d_CurveOnSurface ACS(AC,AS); |
| 1840 | gp_Pnt P1(ACS.Value(t1)); |
| 1841 | gp_Pnt P2(ACS.Value(t2)); |
| 1842 | gp_Pnt pcurPnt((P1.X()+P2.X())/2,(P1.Y()+P2.Y())/2,(P1.Z()+P2.Z())/2); |
| 1843 | |
| 1844 | ShapeAnalysis_TransferParametersProj SFTP(E,face); |
| 1845 | Handle(TColStd_HSequenceOfReal) Seq2d = new TColStd_HSequenceOfReal; |
| 1846 | Seq2d->Append(t1); |
| 1847 | Seq2d->Append(t2); |
| 1848 | Seq2d->Append((t1+t2)/2); |
| 1849 | Handle(TColStd_HSequenceOfReal) Seq3d = new TColStd_HSequenceOfReal; |
| 1850 | Seq3d->Append(SFTP.Perform(Seq2d,Standard_False)); |
| 1851 | |
| 1852 | Standard_Real dist1 = pcurPnt.Distance(crv->Value(Seq3d->Value(1)));// correting Seq3d already project |
| 1853 | Standard_Real dist2 = pcurPnt.Distance(crv->Value(Seq3d->Value(2))); |
| 1854 | Standard_Real dist3 = pcurPnt.Distance(crv->Value(Seq3d->Value(3))); |
| 1855 | Standard_Real ftrim,ltrim; |
| 1856 | if(dist3>Max(dist1,dist2)) { |
| 1857 | loopRemoved3d = Standard_False; |
| 1858 | } |
| 1859 | else { |
| 1860 | loopRemoved3d = Standard_True; |
| 1861 | } |
| 1862 | |
| 1863 | Handle(Geom_Curve) bs1; |
| 1864 | |
| 1865 | if (!loopRemoved3d) { |
| 1866 | // create new 3d curve |
| 1867 | ftrim = Seq3d->Value(1); |
| 1868 | ltrim = Seq3d->Value(2); |
| 1869 | ftrim-=dt; |
| 1870 | ltrim+=dt; |
| 1871 | Handle(Geom_TrimmedCurve) trim1 = new Geom_TrimmedCurve (crv, f, ftrim); |
| 1872 | GeomConvert_CompCurveToBSplineCurve connect1 ( trim1 ); |
| 1873 | TColgp_Array1OfPnt Poles1(1,2); |
| 1874 | TColStd_Array1OfReal Knots1(1,2); |
| 1875 | TColStd_Array1OfInteger Mults1(1,2); |
| 1876 | |
| 1877 | Poles1.SetValue(1,trim1->Value(ftrim)); |
| 1878 | Knots1.SetValue(1,ftrim); |
| 1879 | Mults1.SetValue(1,2); |
| 1880 | |
| 1881 | trim1 = new Geom_TrimmedCurve (crv, ltrim, l); |
| 1882 | Poles1.SetValue(2,trim1->Value(ltrim)); |
| 1883 | Knots1.SetValue(2,ltrim); |
| 1884 | Mults1.SetValue(2,2); |
| 1885 | |
| 1886 | // create b-spline curve |
| 1887 | Handle(Geom_BSplineCurve) patch1 = new Geom_BSplineCurve ( Poles1, Knots1, Mults1, 1 ); |
| 1888 | |
| 1889 | if ( ! connect1.Add (patch1, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
| 1890 | return Standard_False; |
| 1891 | |
| 1892 | // last segment |
| 1893 | if ( ! connect1.Add (trim1, ::Precision::PConfusion(), Standard_True, Standard_False) ) |
| 1894 | return Standard_False; |
| 1895 | |
| 1896 | bs1 = connect1.BSplineCurve(); |
| 1897 | |
| 1898 | if ( bs1.IsNull() ) |
| 1899 | return Standard_False; |
| 1900 | } |
| 1901 | // Standard_Real oldtol = BRep_Tool::Tolerance ( E ); |
| 1902 | |
| 1903 | if (!loopRemoved3d) |
| 1904 | B.UpdateEdge ( E, bs1, L, 0. ); |
| 1905 | B.UpdateEdge ( E, bs, face, 0. ); |
| 1906 | B.Range ( E, face, f, l ); |
| 1907 | B.SameRange ( E, Standard_False ); |
| 1908 | |
| 1909 | Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge; |
| 1910 | sfe->FixSameParameter ( E ); |
| 1911 | |
| 1912 | return Standard_True; |
| 1913 | } |
| 1914 | |
| 1915 | //======================================================================= |
| 1916 | //function : RemoveLoop |
| 1917 | //purpose : |
| 1918 | //======================================================================= |
| 1919 | static Standard_Boolean RemoveLoop (TopoDS_Edge &E, const TopoDS_Face &face, |
| 1920 | const IntRes2d_IntersectionPoint &IP2d, |
| 1921 | TopoDS_Edge &E1, |
| 1922 | TopoDS_Edge &E2) |
| 1923 | { |
| 1924 | #ifdef DEB |
| 1925 | cout<<"Info: ShapeFix_Wire::FixSelfIntersection : Try insert vertex"<<endl; |
| 1926 | #endif |
| 1927 | |
| 1928 | if ( BRep_Tool::IsClosed ( E, face ) ) return Standard_False; |
| 1929 | |
| 1930 | Standard_Real f, l; |
| 1931 | Handle(Geom_Curve) crv = BRep_Tool::Curve ( E, f, l ); |
| 1932 | |
| 1933 | Standard_Real t1 = IP2d.ParamOnFirst(); |
| 1934 | Standard_Real t2 = IP2d.ParamOnSecond(); |
| 1935 | |
| 1936 | if ( t1 > t2 ) |
| 1937 | { |
| 1938 | Standard_Real t = t1; t1 = t2; t2 = t; |
| 1939 | } |
| 1940 | |
| 1941 | ShapeAnalysis_Edge sae; |
| 1942 | |
| 1943 | // define vertexes Vfirst , Vlast, Vmid |
| 1944 | TopoDS_Vertex Vfirst,Vlast,Vmid; |
| 1945 | // initialize Vfirst and Vlast |
| 1946 | Vfirst = sae.FirstVertex(E); |
| 1947 | Vlast = sae.LastVertex(E); |
| 1948 | |
| 1949 | // find a 2d curve and parameters from edge E |
| 1950 | Standard_Real a, b; |
| 1951 | Handle (Geom2d_Curve) c2d; |
| 1952 | if ( ! sae.PCurve ( E, face, c2d, a, b, Standard_False ) ) |
| 1953 | return Standard_False; |
| 1954 | |
| 1955 | // first segment for 2d curve |
| 1956 | Handle(Geom2d_TrimmedCurve) trim1; |
| 1957 | if( (t1-a)>Precision::PConfusion() ) |
| 1958 | trim1 = new Geom2d_TrimmedCurve (c2d, a, t1); |
| 1959 | // second segment for 2d curve |
| 1960 | Handle(Geom2d_TrimmedCurve) trim2 = new Geom2d_TrimmedCurve (c2d, t2, b); |
| 1961 | |
| 1962 | // if ( trim1.IsNull() || trim2.IsNull() ) |
| 1963 | if(trim2.IsNull()) |
| 1964 | return Standard_False; |
| 1965 | |
| 1966 | TopLoc_Location L; |
| 1967 | Handle (Geom_Surface) S = BRep_Tool::Surface(face, L); |
| 1968 | Handle (Geom2dAdaptor_HCurve) AC = new Geom2dAdaptor_HCurve(c2d); |
| 1969 | Handle (GeomAdaptor_HSurface) AS = new GeomAdaptor_HSurface(S); |
| 1970 | |
| 1971 | Adaptor3d_CurveOnSurface ACS(AC,AS); |
| 1972 | gp_Pnt P1(ACS.Value(t1)); |
| 1973 | gp_Pnt P2(ACS.Value(t2)); |
| 1974 | gp_Pnt pcurPnt((P1.X()+P2.X())/2,(P1.Y()+P2.Y())/2,(P1.Z()+P2.Z())/2); |
| 1975 | |
| 1976 | // transfer parameters from pcurve to 3d curve |
| 1977 | ShapeAnalysis_TransferParametersProj SFTP(E,face); |
| 1978 | Handle (TColStd_HSequenceOfReal) Seq2d = new TColStd_HSequenceOfReal; |
| 1979 | Seq2d->Append(t1); |
| 1980 | Seq2d->Append(t2); |
| 1981 | Seq2d->Append((t1+t2)/2); |
| 1982 | Handle (TColStd_HSequenceOfReal) Seq3d = new TColStd_HSequenceOfReal; |
| 1983 | Seq3d->Append(SFTP.Perform(Seq2d,Standard_False)); |
| 1984 | |
| 1985 | Standard_Real dist1 = pcurPnt.Distance(crv->Value(Seq3d->Value(1)));// correting Seq3d already project |
| 1986 | Standard_Real dist2 = pcurPnt.Distance(crv->Value(Seq3d->Value(2))); |
| 1987 | Standard_Real dist3 = pcurPnt.Distance(crv->Value(Seq3d->Value(3))); |
| 1988 | Standard_Real ftrim,ltrim; |
| 1989 | if ( dist3 > Max(dist1, dist2)) { // is loop in 3d |
| 1990 | ftrim = Seq3d->Value(1); |
| 1991 | ltrim = Seq3d->Value(2); |
| 1992 | } |
| 1993 | else { // not loop in 3d |
| 1994 | ftrim = Seq3d->Value(3); |
| 1995 | ltrim = Seq3d->Value(3); |
| 1996 | } |
| 1997 | |
| 1998 | // ftrim = Seq3d->Value(1); |
| 1999 | // ltrim = Seq3d->Value(2); |
| 2000 | |
| 2001 | // trim for 3d curve 'crv' with parameters from 'f' to 'l' |
| 2002 | Handle(Geom_TrimmedCurve) trim3; |
| 2003 | if(!trim1.IsNull()) |
| 2004 | trim3 = new Geom_TrimmedCurve (crv, f, ftrim); |
| 2005 | // second segment for 3d curve |
| 2006 | Handle(Geom_TrimmedCurve) trim4 = new Geom_TrimmedCurve (crv, ltrim, l); |
| 2007 | |
| 2008 | // if ( trim3.IsNull() || trim4.IsNull() ) |
| 2009 | if(trim4.IsNull()) |
| 2010 | return Standard_False; |
| 2011 | |
| 2012 | // create a point for middle vertex |
| 2013 | gp_Pnt pnt1 = crv->Value(ftrim); |
| 2014 | gp_Pnt pnt2 = crv->Value(ltrim); |
| 2015 | gp_Pnt Pmid((pnt1.X()+pnt2.X())/2,(pnt1.Y()+pnt2.Y())/2,(pnt1.Z()+pnt2.Z())/2); |
| 2016 | |
| 2017 | BRep_Builder B; |
| 2018 | |
| 2019 | // create new copies for E1 and E2 |
| 2020 | if(!trim1.IsNull()) |
| 2021 | E1=TopoDS::Edge(E.EmptyCopied()); |
| 2022 | E2=TopoDS::Edge(E.EmptyCopied()); |
| 2023 | |
| 2024 | // initialize middle vertex Vmid |
| 2025 | if(trim1.IsNull()) |
| 2026 | B.MakeVertex(Vmid, pnt2, 0.); |
| 2027 | else |
| 2028 | B.MakeVertex(Vmid, Pmid, 0.); |
| 2029 | |
| 2030 | ShapeBuild_Edge sbe; |
| 2031 | |
| 2032 | // replace verteces for new edges E1 and E2 |
| 2033 | if (E.Orientation()== TopAbs_FORWARD) |
| 2034 | { |
| 2035 | if(!E1.IsNull()) |
| 2036 | E1=sbe.CopyReplaceVertices(E1,Vfirst,Vmid); |
| 2037 | E2=sbe.CopyReplaceVertices(E2,Vmid, Vlast); |
| 2038 | } |
| 2039 | else |
| 2040 | { |
| 2041 | if(!E1.IsNull()) |
| 2042 | E1=sbe.CopyReplaceVertices(E1,Vmid, Vlast); |
| 2043 | E2=sbe.CopyReplaceVertices(E2,Vfirst, Vmid); |
| 2044 | } |
| 2045 | |
| 2046 | // Update edges by 2d and 3d curves |
| 2047 | Handle(ShapeFix_Edge) mySfe = new ShapeFix_Edge; |
| 2048 | if(!E1.IsNull()) { |
| 2049 | B.UpdateEdge(E1, trim1, face, 0.); |
| 2050 | B.UpdateEdge(E1, trim3, 0.); |
| 2051 | B.Range(E1, f, ftrim); |
| 2052 | B.SameRange(E1,Standard_False); |
| 2053 | // B.SameParameter(E1,Standard_False); |
| 2054 | mySfe->FixSameParameter(E1); |
| 2055 | mySfe->FixVertexTolerance(E1); |
| 2056 | } |
| 2057 | B.UpdateEdge(E2, trim2, face, 0.); |
| 2058 | B.UpdateEdge(E2, trim4, 0.); |
| 2059 | B.Range ( E2,ltrim,l ); |
| 2060 | B.SameRange(E2, Standard_False ); |
| 2061 | // B.SameParameter(E2, Standard_False); |
| 2062 | mySfe->FixSameParameter(E2); |
| 2063 | mySfe->FixVertexTolerance(E2); |
| 2064 | |
| 2065 | return Standard_True; |
| 2066 | } |
| 2067 | |
| 2068 | |
| 2069 | //======================================================================= |
| 2070 | //function : FixSelfIntersectingEdge |
| 2071 | //purpose : |
| 2072 | //======================================================================= |
| 2073 | |
| 2074 | Standard_Boolean ShapeFix_Wire::FixSelfIntersectingEdge (const Standard_Integer num) |
| 2075 | { |
| 2076 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 2077 | if ( ! IsReady() ) return Standard_False; |
| 2078 | |
| 2079 | // analysis |
| 2080 | IntRes2d_SequenceOfIntersectionPoint points2d; |
| 2081 | TColgp_SequenceOfPnt points3d; |
| 2082 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
| 2083 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
| 2084 | theAdvAnalyzer->CheckSelfIntersectingEdge ( num, points2d, points3d ); |
| 2085 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 2086 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2087 | } |
| 2088 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 2089 | |
| 2090 | // action: increase tolerance of vertex |
| 2091 | |
| 2092 | TopoDS_Edge E = WireData()->Edge ( num >0 ? num : NbEdges() ); |
| 2093 | |
| 2094 | ShapeAnalysis_Edge sae; |
| 2095 | TopoDS_Vertex V1 = sae.FirstVertex ( E ); |
| 2096 | TopoDS_Vertex V2 = sae.LastVertex ( E ); |
| 2097 | Standard_Real tol1 = BRep_Tool::Tolerance ( V1 ); |
| 2098 | Standard_Real tol2 = BRep_Tool::Tolerance ( V2 ); |
| 2099 | gp_Pnt pnt1 = BRep_Tool::Pnt ( V1 ); |
| 2100 | gp_Pnt pnt2 = BRep_Tool::Pnt ( V2 ); |
| 2101 | |
| 2102 | // cycle is to verify fix in case of RemoveLoop |
| 2103 | Standard_Real tolfact = 0.1; // factor for shifting by parameter in RemoveLoop |
| 2104 | Standard_Real f2d, l2d; |
| 2105 | Handle(Geom2d_Curve) c2d; |
| 2106 | Standard_Real newtol=0.; // = Precision(); |
| 2107 | |
| 2108 | if (myRemoveLoopMode<1) { |
| 2109 | for ( Standard_Integer iter=0; iter < 30; iter++ ) { |
| 2110 | Standard_Boolean loopRemoved = Standard_False;; |
| 2111 | Standard_Real prevFirst = 0 , prevLast = 0; |
| 2112 | for ( Standard_Integer i=1; i<=points2d.Length(); i++ ) { |
| 2113 | gp_Pnt pint = points3d.Value(i); |
| 2114 | Standard_Real dist21 = pnt1.SquareDistance ( pint ); |
| 2115 | Standard_Real dist22 = pnt2.SquareDistance ( pint ); |
| 2116 | if ( dist21 < tol1 * tol1 || dist22 < tol2 * tol2 ) continue; |
| 2117 | newtol = 1.001 * Sqrt ( Min ( dist21, dist22 ) ); //:f8 |
| 2118 | |
| 2119 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: try to remove loop |
| 2120 | if ( myGeomMode ) { |
| 2121 | if ( c2d.IsNull() ) |
| 2122 | sae.PCurve ( E, Face(), c2d, f2d, l2d, Standard_False ); |
| 2123 | Standard_Real firstpar = points2d.Value(i).ParamOnFirst(); |
| 2124 | Standard_Real lastpar = points2d.Value(i).ParamOnSecond(); |
| 2125 | if(firstpar > prevFirst && lastpar < prevLast) continue; |
| 2126 | if ( RemoveLoop (E, Face(), points2d.Value(i), tolfact, |
| 2127 | Min( MaxTolerance(), Max(newtol,Precision()) ), |
| 2128 | myRemoveLoopMode==0 ) ) { |
| 2129 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 2130 | loopRemoved = Standard_True; |
| 2131 | prevFirst = firstpar; |
| 2132 | prevLast = lastpar; |
| 2133 | continue; // repeat of fix on that edge required (to be done by caller) |
| 2134 | } |
| 2135 | } |
| 2136 | if ( newtol < MaxTolerance() ) { |
| 2137 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 2138 | BRep_Builder B; |
| 2139 | if ( dist21 < dist22 ) B.UpdateVertex ( V1, tol1 = newtol ); |
| 2140 | else B.UpdateVertex ( V2, tol2 = newtol ); |
| 2141 | } |
| 2142 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 2143 | } |
| 2144 | |
| 2145 | // after RemoveLoop, check that self-intersection disappeared |
| 2146 | if ( loopRemoved ) { |
| 2147 | IntRes2d_SequenceOfIntersectionPoint pnts2d; |
| 2148 | TColgp_SequenceOfPnt pnts3d; |
| 2149 | theAdvAnalyzer->CheckSelfIntersectingEdge ( num, pnts2d, pnts3d ); |
| 2150 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) break; |
| 2151 | //points3d.Append(pnts3d); |
| 2152 | //points2d.Append(pnts2d); |
| 2153 | points3d = pnts3d; |
| 2154 | points2d = pnts2d; |
| 2155 | BRep_Builder B; |
| 2156 | B.UpdateEdge ( E, c2d, Face(), 0. ); |
| 2157 | B.Range ( E, Face(), f2d, l2d ); |
| 2158 | //newtol+=Precision(); |
| 2159 | } |
| 2160 | else { |
| 2161 | break; |
| 2162 | } |
| 2163 | } |
| 2164 | } |
| 2165 | |
| 2166 | //=============================================== |
| 2167 | // RemoveLoopMode = 1 , insert vertex |
| 2168 | //=============================================== |
| 2169 | if (myRemoveLoopMode == 1) { |
| 2170 | // after fixing will be nb+1 edges |
| 2171 | Standard_Boolean loopRemoved; |
| 2172 | // create a sequence of resulting edges |
| 2173 | Handle (TopTools_HSequenceOfShape) TTSS = new TopTools_HSequenceOfShape; |
| 2174 | TopoDS_Edge E2; |
| 2175 | |
| 2176 | loopRemoved = Standard_False; |
| 2177 | //:k3 abv 24 Dec 98: BUC50070 #26682 and #30087: try to remove loop |
| 2178 | if ( myGeomMode ) { |
| 2179 | if ( c2d.IsNull() ) |
| 2180 | sae.PCurve ( E, Face(), c2d, f2d, l2d, Standard_False ); |
| 2181 | TopoDS_Edge E1; |
| 2182 | if ( RemoveLoop (E, Face(), points2d.Value(1),E1,E2) ) { |
| 2183 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 2184 | loopRemoved = Standard_True; |
| 2185 | if(!E1.IsNull()) { |
| 2186 | TTSS->Append(E1); |
| 2187 | newtol = Max(BRep_Tool::Tolerance(E1),BRep_Tool::Tolerance(E2)); |
| 2188 | } |
| 2189 | else |
| 2190 | newtol = BRep_Tool::Tolerance(E2); |
| 2191 | } |
| 2192 | } |
| 2193 | |
| 2194 | TTSS->Append(E2); |
| 2195 | |
| 2196 | if ( newtol > MaxTolerance() ) |
| 2197 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 2198 | |
| 2199 | ShapeExtend_WireData sewd; |
| 2200 | for (Standard_Integer i=1 ; i <= TTSS->Length(); i++) { |
| 2201 | sewd.Add(TopoDS::Edge(TTSS->Value(i))); |
| 2202 | } |
| 2203 | if (! Context().IsNull()) { |
| 2204 | Context()->Replace ( E, sewd.Wire() ); |
| 2205 | UpdateWire(); |
| 2206 | } |
| 2207 | else { |
| 2208 | WireData()->Remove(num >0 ? num : NbEdges()); |
| 2209 | WireData()->Add(sewd.Wire(), num >0 ? num : NbEdges()); |
| 2210 | } |
| 2211 | if (loopRemoved) |
| 2212 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE8 ); |
| 2213 | |
| 2214 | } |
| 2215 | |
| 2216 | if ( LastFixStatus ( ShapeExtend_DONE ) && ! myShape.IsNull() ) { |
| 2217 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG5"); //Edge %d was self-intersecting, corrected |
| 2218 | MSG.Arg (num); |
| 2219 | SendWarning (MSG); |
| 2220 | } |
| 2221 | |
| 2222 | return LastFixStatus ( ShapeExtend_DONE ); |
| 2223 | } |
| 2224 | |
| 2225 | |
| 2226 | //======================================================================= |
| 2227 | //function : ComputeLocalDeviation |
| 2228 | //purpose : auxilary |
| 2229 | //======================================================================= |
| 2230 | static Standard_Real ComputeLocalDeviation (const TopoDS_Edge &edge, |
| 2231 | const gp_Pnt &pint,const gp_Pnt &pnt, |
| 2232 | Standard_Real f, Standard_Real l, |
| 2233 | const TopoDS_Face &face ) |
| 2234 | { |
| 2235 | ShapeAnalysis_Edge sae; |
| 2236 | Handle(Geom_Curve) c3d; |
| 2237 | Standard_Real a, b; |
| 2238 | if ( ! sae.Curve3d ( edge, c3d, a, b, Standard_False ) ) return RealLast(); |
| 2239 | |
| 2240 | gp_Lin line ( pint, gp_Vec ( pint, pnt ) ); |
| 2241 | |
| 2242 | Handle(Geom2d_Curve) Crv; |
| 2243 | Standard_Real fp,lp; |
| 2244 | if ( sae.PCurve(edge,face,Crv,fp,lp,Standard_False) ) { |
| 2245 | if(Crv->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) { |
| 2246 | Handle(Geom2d_TrimmedCurve) tc = Handle(Geom2d_TrimmedCurve)::DownCast(Crv); |
| 2247 | if(tc->BasisCurve()->IsKind(STANDARD_TYPE(Geom2d_Line))) { |
| 2248 | f = a + (f-fp)*(b-a)/(lp-fp); |
| 2249 | l = a + (l-fp)*(b-a)/(lp-fp); |
| 2250 | } |
| 2251 | } |
| 2252 | } |
| 2253 | |
| 2254 | const Standard_Integer NSEG = 10; |
| 2255 | Standard_Real step = ( l - f ) / NSEG; |
| 2256 | Standard_Real dev = 0.; |
| 2257 | for ( Standard_Integer i=1; i < NSEG; i++ ) { |
| 2258 | gp_Pnt p = c3d->Value ( f + i * step ); |
| 2259 | Standard_Real d = line.Distance ( p ); |
| 2260 | if ( dev < d ) dev = d; |
| 2261 | } |
| 2262 | return dev; |
| 2263 | } |
| 2264 | |
| 2265 | //======================================================================= |
| 2266 | //function : FixIntersectingEdges |
| 2267 | //purpose : |
| 2268 | //======================================================================= |
| 2269 | |
| 2270 | Standard_Boolean ShapeFix_Wire::FixIntersectingEdges (const Standard_Integer num) |
| 2271 | { |
| 2272 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 2273 | if ( ! IsReady() || NbEdges() <2 ) return Standard_False; |
| 2274 | |
| 2275 | // analysis |
| 2276 | IntRes2d_SequenceOfIntersectionPoint points2d; |
| 2277 | TColgp_SequenceOfPnt points3d; |
| 2278 | TColStd_SequenceOfReal errors; |
| 2279 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
| 2280 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
| 2281 | theAdvAnalyzer->CheckIntersectingEdges ( num, points2d, points3d, errors ); |
| 2282 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 2283 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2284 | } |
| 2285 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 2286 | |
| 2287 | //rln 03/02/98: CSR#BUC50004 entity 56 (to avoid later inserting lacking edge) |
| 2288 | //:l0 Standard_Boolean isLacking = myAnalyzer->CheckLacking ( num ); |
| 2289 | |
| 2290 | // action: increase tolerance of vertex |
| 2291 | |
| 2292 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 2293 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
| 2294 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
| 2295 | TopoDS_Edge E1 = sbwd->Edge(n1); |
| 2296 | TopoDS_Edge E2 = sbwd->Edge(n2); |
| 2297 | Standard_Boolean isForward1 = ( E1.Orientation() == TopAbs_FORWARD ); |
| 2298 | Standard_Boolean isForward2 = ( E2.Orientation() == TopAbs_FORWARD ); |
| 2299 | Standard_Real a1, b1, a2, b2; |
| 2300 | BRep_Tool::Range ( E1, Face(), a1, b1 ); |
| 2301 | BRep_Tool::Range ( E2, Face(), a2, b2 ); |
| 2302 | |
| 2303 | ShapeAnalysis_Edge sae; |
| 2304 | TopoDS_Vertex Vp = sae.FirstVertex ( E1 ); |
| 2305 | TopoDS_Vertex V1 = sae.LastVertex ( E1 ); |
| 2306 | TopoDS_Vertex V2 = sae.FirstVertex ( E2 ); |
| 2307 | TopoDS_Vertex Vn = sae.LastVertex ( E2 ); |
| 2308 | |
| 2309 | Standard_Real tol = BRep_Tool::Tolerance ( V1 ); |
| 2310 | gp_Pnt pnt = BRep_Tool::Pnt ( V1 ); |
| 2311 | |
| 2312 | Standard_Real prevRange1 = RealLast(), prevRange2 = RealLast(); |
| 2313 | Standard_Boolean cutEdge1 = Standard_False, cutEdge2 = Standard_False; |
| 2314 | Standard_Boolean IsCutLine = Standard_False; |
| 2315 | |
| 2316 | BRep_Builder B; |
| 2317 | |
| 2318 | Standard_Integer nb = points3d.Length(); |
| 2319 | for ( Standard_Integer i=1; i <= nb; i++ ) { |
| 2320 | const IntRes2d_IntersectionPoint &IP = points2d.Value(i); |
| 2321 | Standard_Real param1 = ( num ==1 ? IP.ParamOnSecond() : IP.ParamOnFirst() ); |
| 2322 | Standard_Real param2 = ( num ==1 ? IP.ParamOnFirst() : IP.ParamOnSecond() ); |
| 2323 | |
| 2324 | Standard_Real newRange1 = Abs ( ( isForward1 ? a1 : b1 ) - param1 ); |
| 2325 | Standard_Real newRange2 = Abs ( ( isForward2 ? b2 : a2 ) - param2 ); |
| 2326 | if ( newRange1 > prevRange1 && newRange2 > prevRange2 ) continue; |
| 2327 | |
| 2328 | gp_Pnt pint = points3d.Value(i); |
| 2329 | Standard_Real rad = errors.Value(i); |
| 2330 | Standard_Real newtol = 1.0001 * ( pnt.Distance ( pint ) + rad ); |
| 2331 | |
| 2332 | // GeomAdaptor_Surface& Ads = myAnalyzer->Surface()->Adaptor3d()->ChangeSurface(); |
| 2333 | |
| 2334 | //:r8 abv 12 Apr 99: try increasing tolerance of edge |
| 2335 | if ( ! myTopoMode && newtol > tol ) { |
| 2336 | Standard_Real te1 = rad + ComputeLocalDeviation (E1, pint, pnt, |
| 2337 | param1, ( isForward1 ? b1 : a1 ), Face() ); |
| 2338 | Standard_Real te2 = rad + ComputeLocalDeviation (E2, pint, pnt, |
| 2339 | ( isForward2 ? a2 : b2 ), param2, Face() ); |
| 2340 | Standard_Real maxte = Max ( te1, te2 ); |
| 2341 | if ( maxte < MaxTolerance() && maxte < newtol ) { |
| 2342 | if ( BRep_Tool::Tolerance(E1) < te1 || BRep_Tool::Tolerance(E2) < te2 ) { |
| 2343 | //#ifdef DEB |
| 2344 | // cout << "Warning: ShapeFix_Wire::FixIE: edges tolerance increased: (" << |
| 2345 | // te1 << ", " << te2 << ") / " << newtol << endl; |
| 2346 | //#endif |
| 2347 | B.UpdateEdge ( E1, 1.000001 * te1 ); |
| 2348 | B.UpdateVertex ( sae.FirstVertex ( E1 ), 1.000001 * te1 ); |
| 2349 | B.UpdateVertex ( sae.LastVertex ( E1 ), 1.000001 * te1 ); |
| 2350 | B.UpdateEdge ( E2, 1.000001 * te2 ); |
| 2351 | B.UpdateVertex ( sae.FirstVertex ( E2 ), 1.000001 * te2 ); |
| 2352 | B.UpdateVertex ( sae.LastVertex ( E2 ), 1.000001 * te2 ); |
| 2353 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE6 ); |
| 2354 | } |
| 2355 | newtol = 1.000001 * maxte; |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | if ( myTopoMode || newtol <= MaxTolerance() ) { |
| 2360 | prevRange1 = newRange1; |
| 2361 | prevRange2 = newRange2; |
| 2362 | Standard_Boolean locMayEdit = myTopoMode; |
| 2363 | if ( myTopoMode ) { //:j6 abv 7 Dec 98: ProSTEP TR10 r0601_id.stp #57676 & #58586: do not cut edges because of influence on adjacent faces |
| 2364 | ShapeFix_SplitTool aTool; |
| 2365 | //if ( ! ShapeFix::CutEdge ( E1, ( isForward1 ? a1 : b1 ), param1, Face(), IsCutLine ) ) { |
| 2366 | if ( ! aTool.CutEdge ( E1, ( isForward1 ? a1 : b1 ), param1, Face(), IsCutLine ) ) { |
| 2367 | if ( V1.IsSame ( Vp ) ) |
| 2368 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 2369 | else locMayEdit = Standard_False; |
| 2370 | } |
| 2371 | else cutEdge1 = Standard_True; //:h4 |
| 2372 | //if ( ! ShapeFix::CutEdge ( E2, ( isForward2 ? b2 : a2 ), param2, Face(), IsCutLine ) ) { |
| 2373 | if ( ! aTool.CutEdge ( E2, ( isForward2 ? b2 : a2 ), param2, Face(), IsCutLine ) ) { |
| 2374 | if ( V2.IsSame ( Vn ) ) |
| 2375 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 2376 | else locMayEdit = Standard_False; |
| 2377 | } |
| 2378 | else cutEdge2 = Standard_True; //:h4 |
| 2379 | } |
| 2380 | if ( locMayEdit && |
| 2381 | newRange1 <= prevRange1 && newRange2 <= prevRange2 && //rln 09/01/98 |
| 2382 | BRep_Tool::SameParameter ( E1 ) && |
| 2383 | BRep_Tool::SameParameter ( E2 ) ) { |
| 2384 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 2385 | pnt = pint; |
| 2386 | if ( tol <= rad ) { |
| 2387 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 2388 | tol = 1.001 * rad; |
| 2389 | } |
| 2390 | } |
| 2391 | else if(IsCutLine) { |
| 2392 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 2393 | pnt = pint; |
| 2394 | if ( tol <= rad ) { |
| 2395 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 2396 | tol = 1.001 * rad; |
| 2397 | } |
| 2398 | } |
| 2399 | else { // else increase tolerance |
| 2400 | if (tol < newtol) { //rln 07.04.99 CCI60005-brep.igs |
| 2401 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 2402 | tol = newtol; |
| 2403 | } |
| 2404 | } |
| 2405 | } |
| 2406 | else myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 2407 | } |
| 2408 | |
| 2409 | if ( ! LastFixStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 2410 | |
| 2411 | B.UpdateVertex ( V1, pnt, tol ); |
| 2412 | B.UpdateVertex ( V2, pnt, tol ); |
| 2413 | |
| 2414 | //:h4: make edges SP (after all cuts: t4mug.stp #3730+#6460) |
| 2415 | if ( cutEdge1 ) myFixEdge->FixSameParameter ( E1 ); |
| 2416 | if ( cutEdge2 && !IsCutLine ) myFixEdge->FixSameParameter ( E2 ); |
| 2417 | if ( cutEdge1 || cutEdge2 ) { |
| 2418 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE7 ); |
| 2419 | } |
| 2420 | if ( ! myShape.IsNull() ) { |
| 2421 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG10"); //Edges %d and %d were intersecting, corrected |
| 2422 | MSG.Arg (n1); |
| 2423 | MSG.Arg (n2); |
| 2424 | SendWarning (MSG); |
| 2425 | } |
| 2426 | return Standard_True; |
| 2427 | } |
| 2428 | |
| 2429 | //======================================================================= |
| 2430 | //function : FixIntersectingEdges |
| 2431 | //purpose : |
| 2432 | //======================================================================= |
| 2433 | //pdn 17.03.99 fixing non ajacent intersection by increasing tolerance of vertex |
| 2434 | |
| 2435 | Standard_Boolean ShapeFix_Wire::FixIntersectingEdges (const Standard_Integer num1, |
| 2436 | const Standard_Integer num2) |
| 2437 | { |
| 2438 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 2439 | if ( !IsReady() ) return Standard_False; |
| 2440 | IntRes2d_SequenceOfIntersectionPoint points2d; |
| 2441 | TColgp_SequenceOfPnt points3d; |
| 2442 | TColStd_SequenceOfReal errors; |
| 2443 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
| 2444 | if (theAdvAnalyzer.IsNull()) return Standard_False; |
| 2445 | theAdvAnalyzer->CheckIntersectingEdges ( num1, num2, points2d, points3d, errors); |
| 2446 | if ( theAdvAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 2447 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2448 | } |
| 2449 | if ( ! theAdvAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 2450 | TColgp_Array1OfPnt vertexPoints(1,4); |
| 2451 | TColStd_Array1OfReal vertexTolers(1,4); |
| 2452 | TColStd_Array1OfReal newTolers(1,4); |
| 2453 | TopTools_Array1OfShape vertices(1,4); |
| 2454 | newTolers.Init(0); |
| 2455 | |
| 2456 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 2457 | Standard_Integer n2 = ( num1 >0 ? num1 : sbwd->NbEdges() ); |
| 2458 | Standard_Integer n1 = ( num2 >1 ? num2 : sbwd->NbEdges() ); |
| 2459 | if(n1==n2) return Standard_False; |
| 2460 | |
| 2461 | TopoDS_Edge edge1 = sbwd->Edge(n1); |
| 2462 | TopoDS_Edge edge2 = sbwd->Edge(n2); |
| 2463 | |
| 2464 | ShapeAnalysis_Edge sae; |
| 2465 | vertices(1) = sae.FirstVertex(edge1); |
| 2466 | vertices(2) = sae.LastVertex(edge1); |
| 2467 | vertices(3) = sae.FirstVertex(edge2); |
| 2468 | vertices(4) = sae.LastVertex(edge2); |
| 2469 | |
| 2470 | Standard_Integer i; // svv Jan11 2000 : porting on DEC |
| 2471 | for (i = 1; i <=4; i++) { |
| 2472 | vertexPoints(i) = BRep_Tool::Pnt(TopoDS::Vertex(vertices(i))); |
| 2473 | vertexTolers(i) = BRep_Tool::Tolerance(TopoDS::Vertex(vertices(i))); |
| 2474 | } |
| 2475 | |
| 2476 | Standard_Real aNewTolEdge1 = 0.0, aNewTolEdge2 = 0.0; |
| 2477 | Standard_Integer nb = points3d.Length(); |
| 2478 | for ( i=1; i <= nb; i++ ) { |
| 2479 | gp_Pnt pint = points3d.Value(i); |
| 2480 | |
| 2481 | // searching for the nearest vertexies to the intersection point |
| 2482 | Standard_Real aVtx1Param=0., aVtx2Param=0.; |
| 2483 | Standard_Integer aVC1, aVC2; |
| 2484 | Standard_Real aMinDist = RealLast(); |
| 2485 | gp_Pnt aNearestVertex; |
| 2486 | Standard_Real aNecessaryVtxTole = 0.0; |
| 2487 | for(aVC1 = 1; aVC1 <= 2; aVC1++) { |
| 2488 | for(aVC2 = 3; aVC2 <= 4; aVC2++) { |
| 2489 | |
| 2490 | Standard_Real aVtxIPDist = pint.Distance(vertexPoints(aVC1)); |
| 2491 | Standard_Real aVtxVtxDist = vertexPoints(aVC1).Distance(vertexPoints(aVC2)); |
| 2492 | if(aMinDist > aVtxIPDist && aVtxIPDist > aVtxVtxDist) { |
| 2493 | aNecessaryVtxTole = aVtxVtxDist; |
| 2494 | aNearestVertex = vertexPoints(aVC1); |
| 2495 | aMinDist = aVtxIPDist; |
| 2496 | aVtx1Param = BRep_Tool::Parameter(TopoDS::Vertex(vertices(aVC1)),edge1); |
| 2497 | aVtx2Param = BRep_Tool::Parameter(TopoDS::Vertex(vertices(aVC2)),edge2); |
| 2498 | } |
| 2499 | } |
| 2500 | } |
| 2501 | |
| 2502 | // calculation of necessary tolerances of edges |
| 2503 | const IntRes2d_IntersectionPoint &IP = points2d.Value(i); |
| 2504 | Standard_Real param1 = IP.ParamOnFirst(); |
| 2505 | Standard_Real param2 = IP.ParamOnSecond(); |
| 2506 | Handle(Geom_Curve) aCurve1, aCurve2; |
| 2507 | Standard_Real f,l; |
| 2508 | TopLoc_Location L1, L2; |
| 2509 | aCurve1 = BRep_Tool::Curve(edge1, L1, f, l); |
| 2510 | aCurve2 = BRep_Tool::Curve(edge2, L2, f, l); |
| 2511 | |
| 2512 | // if aMinDist lower than resolution than the intersection point lyes inside the vertex |
| 2513 | if(aMinDist < gp::Resolution()) |
| 2514 | continue; |
| 2515 | |
| 2516 | Standard_Real aMaxEdgeTol1 = 0.0, aMaxEdgeTol2 = 0.0; |
| 2517 | if(aMinDist < RealLast() && !aCurve1.IsNull() && !aCurve2.IsNull()) |
| 2518 | { |
| 2519 | gp_Lin aLig(aNearestVertex, gp_Vec(aNearestVertex, pint)); |
| 2520 | Standard_Integer aPointsC; |
| 2521 | Standard_Real du1 = 0.05*(param1 - aVtx1Param); |
| 2522 | Standard_Real du2 = 0.05*(param2 - aVtx2Param); |
| 2523 | Standard_Real tole1=BRep_Tool::Tolerance(edge1); |
| 2524 | Standard_Real tole2=BRep_Tool::Tolerance(edge2); |
| 2525 | for(aPointsC = 2; aPointsC < 19; aPointsC++) |
| 2526 | { |
| 2527 | Standard_Real u = aVtx1Param + aPointsC * du1; |
| 2528 | gp_Pnt P1 = aCurve1->Value(u); |
| 2529 | P1.Transform(L1.Transformation()); |
| 2530 | Standard_Real d1 = aLig.Distance(P1) * 2.0000001; |
| 2531 | if(d1 > tole1 && d1 > aMaxEdgeTol1) |
| 2532 | aMaxEdgeTol1 = d1; |
| 2533 | |
| 2534 | u = aVtx2Param + aPointsC * du2; |
| 2535 | gp_Pnt P2 = aCurve2->Value(u); |
| 2536 | P2.Transform(L2.Transformation()); |
| 2537 | Standard_Real d2 = aLig.Distance(P2) * 2.0000001; |
| 2538 | if(d2 > tole2 && d2 > aMaxEdgeTol2) |
| 2539 | aMaxEdgeTol2 = d2; |
| 2540 | } |
| 2541 | if(aMaxEdgeTol1 == 0.0 && aMaxEdgeTol2 == 0.0) continue; |
| 2542 | // if the vertexies are far than tolerances so |
| 2543 | // we do not need to increase edge tolerance |
| 2544 | if(aNecessaryVtxTole > Max(aMaxEdgeTol1, tole1) || |
| 2545 | aNecessaryVtxTole > Max(aMaxEdgeTol2, tole2)) |
| 2546 | { |
| 2547 | aMaxEdgeTol1 = 0.0; |
| 2548 | aMaxEdgeTol2 = 0.0; |
| 2549 | } |
| 2550 | } |
| 2551 | |
| 2552 | Standard_Real rad = errors.Value(i); |
| 2553 | Standard_Real finTol = RealLast(); |
| 2554 | Standard_Integer rank=1; |
| 2555 | for(Standard_Integer j=1; j<=4; j++) { |
| 2556 | Standard_Real newtol = 1.0001 * ( pint.Distance (vertexPoints(j)) + rad ); |
| 2557 | if(newtol<finTol) { |
| 2558 | rank = j; |
| 2559 | finTol = newtol; |
| 2560 | } |
| 2561 | } |
| 2562 | if(finTol <= MaxTolerance()) { |
| 2563 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1); |
| 2564 | if(newTolers(rank) < finTol) |
| 2565 | { |
| 2566 | if(Max(aMaxEdgeTol1, aMaxEdgeTol2) < finTol && (aMaxEdgeTol1 > 0 || aMaxEdgeTol2 > 0)) |
| 2567 | { |
| 2568 | aNewTolEdge1 = Max(aNewTolEdge1, aMaxEdgeTol1); |
| 2569 | aNewTolEdge2 = Max(aNewTolEdge2, aMaxEdgeTol2); |
| 2570 | } |
| 2571 | else |
| 2572 | { |
| 2573 | newTolers(rank) = finTol; |
| 2574 | } |
| 2575 | } |
| 2576 | } else { |
| 2577 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 2578 | } |
| 2579 | } |
| 2580 | |
| 2581 | BRep_Builder B; |
| 2582 | // update of tolerances of edges |
| 2583 | if(aNewTolEdge1 > 0) |
| 2584 | { |
| 2585 | for(i = 1; i <= 2; i++) |
| 2586 | if(aNewTolEdge1 > Max(vertexTolers(i), newTolers(i))) |
| 2587 | newTolers(i) = aNewTolEdge1; |
| 2588 | B.UpdateEdge(edge1, aNewTolEdge1); |
| 2589 | } |
| 2590 | if(aNewTolEdge2 > 0) |
| 2591 | { |
| 2592 | for(i = 3; i <= 4; i++) |
| 2593 | if(aNewTolEdge2 > Max(vertexTolers(i), newTolers(i))) |
| 2594 | newTolers(i) = aNewTolEdge2; |
| 2595 | B.UpdateEdge(edge2, aNewTolEdge2); |
| 2596 | } |
| 2597 | |
| 2598 | // update of tolerances of vertexies |
| 2599 | for(i = 1; i <=4; i++) |
| 2600 | if(newTolers(i)>0) B.UpdateVertex(TopoDS::Vertex(vertices(i)),newTolers(i)); |
| 2601 | |
| 2602 | if ( ! myShape.IsNull() ) { |
| 2603 | Message_Msg MSG ("FixAdvWire.FixIntersection.MSG10"); //Edges %d and %d were intersecting, corrected |
| 2604 | MSG.Arg (n1); |
| 2605 | MSG.Arg (n2); |
| 2606 | SendWarning (MSG); |
| 2607 | } |
| 2608 | return Standard_True; |
| 2609 | } |
| 2610 | |
| 2611 | //======================================================================= |
| 2612 | //function : FixLacking |
| 2613 | //purpose : Test if two adjucent edges are disconnected in 2d (while connected |
| 2614 | // in 3d), and in that case either increase tolerance of the vertex or |
| 2615 | // add a new edge (straight in 2d space), in order to close wire in 2d. |
| 2616 | // Returns True if edge was added or tolerance was increased. |
| 2617 | //NOTE : Is to be run after FixDegenerated |
| 2618 | //Algorithm: 1. Compute the 2d gap between edges and calculate a tolerance |
| 2619 | // which should have vertex in order to comprise the gap |
| 2620 | // (using GeomAdaptor_Surface); computed value is inctol |
| 2621 | // 2. If inctol < tol of vertex, return False (everything is OK) |
| 2622 | // 3. If inctol < Precision, just increase tolerance of vertex to inctol |
| 2623 | // 4. Else (if both edges are not degenerated) try to add new edge |
| 2624 | // with straight pcurve (in order to close the gap): |
| 2625 | // a) if flag MayEdit is False |
| 2626 | // 1. if inctol < MaxTolerance, increase tolerance of vertex to inctol |
| 2627 | // 2. else try to add degenerated edge (check that middle point of |
| 2628 | // that pcurveis inside the vertex) |
| 2629 | // b) if MayEdit is True |
| 2630 | // 1. try to replace big vertex with two new small vertices |
| 2631 | // connected by new edge. This is made if there is a 3d space |
| 2632 | // between ends of adjacent edges. |
| 2633 | // 2. if inctol < MaxTolerance, increase tolerance of vertex to inctol |
| 2634 | // 3. else add either degenerated or closed edge (if middle point |
| 2635 | // of a pcurve of a new edge is inside the vertex, then |
| 2636 | // degenerated edge is added, else new edge is closed). |
| 2637 | // 5. If new edge cannot be added, but inctol < MaxTolerance, |
| 2638 | // when increase tolerance of vertex to a value of inctol |
| 2639 | //Short list of some internal variables: |
| 2640 | // tol - tolerance of vertex |
| 2641 | // tol2d - tolerance in parametric space of the surface corresponding to 2*tol |
| 2642 | // dist2d - distance between ends of pcurves of edges (2d) |
| 2643 | // inctol - tolerance required for vertex to close 2d gap (=tol*dist2d/tol2d) |
| 2644 | // tol1, tol2 - tolerances of edges, tol0 = tol1 + tol2 |
| 2645 | // p3d1, p3d2 - ends of 3d curves of edges |
| 2646 | //======================================================================= |
| 2647 | //:h2 abv 28 May 98: merged modifications by abv 22 Apr 98, gka 27 May 98 |
| 2648 | // and pdn 25 May 98 concerning lacking closed or degenerated edges |
| 2649 | // Example files: r0501_pe #107813, UKI60107-6 250, UKI60107-3 1577. |
| 2650 | |
| 2651 | //:s2 abv 21 Apr 99: add functionality for bending pcurve |
| 2652 | static Standard_Boolean TryBendingPCurve (const TopoDS_Edge &E, const TopoDS_Face &face, |
| 2653 | const gp_Pnt2d p2d, const Standard_Boolean end, |
| 2654 | Handle(Geom2d_Curve) &c2d, |
| 2655 | Standard_Real &first, Standard_Real &last, |
| 2656 | Standard_Real &tol) |
| 2657 | { |
| 2658 | ShapeAnalysis_Edge sae; |
| 2659 | if ( ! sae.PCurve ( E, face, c2d, first, last, Standard_False ) ) return Standard_False; |
| 2660 | |
| 2661 | { |
| 2662 | try { |
| 2663 | OCC_CATCH_SIGNALS |
| 2664 | Handle(Geom2d_BSplineCurve) bs; |
| 2665 | if ( c2d->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve)) ) |
| 2666 | bs = Handle(Geom2d_BSplineCurve)::DownCast(c2d->Copy()); |
| 2667 | else // if ( c2d->IsKind(STANDARD_TYPE(Geom2d_Line)) ) |
| 2668 | { |
| 2669 | Handle(Geom2d_TrimmedCurve) trim = new Geom2d_TrimmedCurve ( c2d, first, last ); |
| 2670 | bs = Geom2dConvert::CurveToBSplineCurve ( trim ); |
| 2671 | } |
| 2672 | if ( bs.IsNull() ) return Standard_False; |
| 2673 | |
| 2674 | Standard_Real par = ( end ? last : first ); |
| 2675 | if ( fabs ( bs->FirstParameter() - par ) < ::Precision::PConfusion() && |
| 2676 | bs->Multiplicity(1) > bs->Degree() ) bs->SetPole ( 1, p2d ); |
| 2677 | else if ( fabs ( bs->LastParameter() - par ) < ::Precision::PConfusion() && |
| 2678 | bs->Multiplicity(bs->NbKnots()) > bs->Degree() ) bs->SetPole ( bs->NbPoles(), p2d ); |
| 2679 | else { |
| 2680 | bs->Segment ( first, last ); |
| 2681 | if (fabs ( bs->FirstParameter() - par ) < ::Precision::PConfusion() && |
| 2682 | bs->Multiplicity(1) > bs->Degree()) bs->SetPole ( 1, p2d ); |
| 2683 | else if (fabs ( bs->LastParameter() - par ) < ::Precision::PConfusion() && |
| 2684 | bs->Multiplicity(bs->NbKnots()) > bs->Degree()) bs->SetPole ( bs->NbPoles(), p2d ); |
| 2685 | else return Standard_False; |
| 2686 | } |
| 2687 | c2d = bs; |
| 2688 | } |
| 2689 | catch ( Standard_Failure ) { |
| 2690 | #ifdef DEB |
| 2691 | cout << "Warning: ShapeFix_Wire::FixLacking: Exception in Geom2d_BSplineCurve::Segment()" << endl; |
| 2692 | #endif |
| 2693 | return Standard_False; |
| 2694 | } |
| 2695 | } |
| 2696 | |
| 2697 | if ( ! TryNewPCurve ( E, face, c2d, first, last, tol ) ) return Standard_False; |
| 2698 | return Standard_True; |
| 2699 | } |
| 2700 | |
| 2701 | |
| 2702 | //======================================================================= |
| 2703 | //function : FixLacking |
| 2704 | //purpose : |
| 2705 | //======================================================================= |
| 2706 | |
| 2707 | Standard_Boolean ShapeFix_Wire::FixLacking (const Standard_Integer num, |
| 2708 | const Standard_Boolean force) |
| 2709 | { |
| 2710 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 2711 | if ( ! IsReady() ) return Standard_False; |
| 2712 | |
| 2713 | //============= |
| 2714 | // First phase: analysis whether the problem (gap) exists |
| 2715 | gp_Pnt2d p2d1, p2d2; |
| 2716 | Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer)->CheckLacking ( num, ( force ? Precision() : 0. ), p2d1, p2d2 ); |
| 2717 | if ( myAnalyzer->LastCheckStatus ( ShapeExtend_FAIL ) ) { |
| 2718 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2719 | } |
| 2720 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE ) ) return Standard_False; |
| 2721 | |
| 2722 | //============= |
| 2723 | // Second phase: collection of data necessary for further analysis |
| 2724 | |
| 2725 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 2726 | Standard_Integer n2 = ( num >0 ? num : sbwd->NbEdges() ); |
| 2727 | Standard_Integer n1 = ( n2 >1 ? n2-1 : sbwd->NbEdges() ); |
| 2728 | TopoDS_Edge E1 = sbwd->Edge(n1); |
| 2729 | TopoDS_Edge E2 = sbwd->Edge(n2); |
| 2730 | |
| 2731 | ShapeAnalysis_Edge sae; |
| 2732 | TopoDS_Vertex V1 = sae.LastVertex ( E1 ); |
| 2733 | TopoDS_Vertex V2 = sae.FirstVertex ( E2 ); |
| 2734 | Standard_Real tol = Max ( BRep_Tool::Tolerance ( V1 ), BRep_Tool::Tolerance ( V2 ) ); |
| 2735 | |
| 2736 | Standard_Real Prec = Precision(); |
| 2737 | Standard_Real dist2d = myAnalyzer->MaxDistance2d(); |
| 2738 | Standard_Real inctol = myAnalyzer->MaxDistance3d(); |
| 2739 | |
| 2740 | TopoDS_Face face = myAnalyzer->Face(); |
| 2741 | Handle(ShapeAnalysis_Surface) surf = myAnalyzer->Surface(); |
| 2742 | |
| 2743 | gp_Pnt p3d1, p3d2; |
| 2744 | Standard_Real tol1=::Precision::Confusion(), tol2=::Precision::Confusion(); //SK |
| 2745 | |
| 2746 | //============= |
| 2747 | //:s2 abv 21 Apr 99: Speculation: try bending pcurves |
| 2748 | Standard_Real bendtol1, bendtol2; |
| 2749 | Handle(Geom2d_Curve) bendc1, bendc2; |
| 2750 | Standard_Real bendf1, bendl1, bendf2, bendl2; |
| 2751 | if ( myGeomMode && ! BRep_Tool::IsClosed(E1,face) && ! BRep_Tool::IsClosed(E2,face) ) { |
| 2752 | gp_Pnt2d p2d = 0.5 * ( p2d1.XY() + p2d2.XY() ); |
| 2753 | Standard_Boolean ok1 = TryBendingPCurve (E1, face, p2d, E1.Orientation() == TopAbs_FORWARD, |
| 2754 | bendc1, bendf1, bendl1, bendtol1); |
| 2755 | Standard_Boolean ok2 = TryBendingPCurve (E2, face, p2d, E2.Orientation() == TopAbs_REVERSED, |
| 2756 | bendc2, bendf2, bendl2, bendtol2); |
| 2757 | if ( ok1 && ! ok2 ) { |
| 2758 | bendtol2 = BRep_Tool::Tolerance(E2); |
| 2759 | ok1 = TryBendingPCurve (E1, face, p2d2, E1.Orientation() == TopAbs_FORWARD, |
| 2760 | bendc1, bendf1, bendl1, bendtol1); |
| 2761 | } |
| 2762 | else if ( ! ok1 && ok2 ) { |
| 2763 | bendtol1 = BRep_Tool::Tolerance(E1); |
| 2764 | ok2 = TryBendingPCurve (E2, face, p2d1, E2.Orientation() == TopAbs_FORWARD, |
| 2765 | bendc2, bendf2, bendl2, bendtol2); |
| 2766 | } |
| 2767 | if ( ! ok1 && ! ok2 ) bendc1.Nullify(); |
| 2768 | } |
| 2769 | |
| 2770 | //============= |
| 2771 | // Third phase: analyse how to fix the problem |
| 2772 | |
| 2773 | // selector of solutions |
| 2774 | Standard_Boolean doIncrease = Standard_False; // increase tolerance |
| 2775 | Standard_Boolean doAddLong = Standard_False; // add long 3d edge in replacement of a vertex |
| 2776 | Standard_Boolean doAddClosed = Standard_False; // add closed 3d edge |
| 2777 | Standard_Boolean doAddDegen = Standard_False; // add degenerated edge |
| 2778 | Standard_Boolean doBend = Standard_False; //:s2 bend pcurves |
| 2779 | |
| 2780 | // if bending is OK with existing tolerances of edges, take it |
| 2781 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
| 2782 | ( ( bendtol1 < BRep_Tool::Tolerance(E1) && |
| 2783 | bendtol2 < BRep_Tool::Tolerance(E2) ) || |
| 2784 | ( inctol < Prec && bendtol1 < inctol && bendtol2 < inctol ) ) ) |
| 2785 | doBend = Standard_True; |
| 2786 | |
| 2787 | // is it OK just to increase tolerance (to a value less than preci)? |
| 2788 | else if ( inctol < Prec ) doIncrease = Standard_True; |
| 2789 | |
| 2790 | // If increase is not OK or force, try to find other solutions (adding edge) |
| 2791 | else if ( ! BRep_Tool::Degenerated ( E2 ) && ! BRep_Tool::Degenerated ( E1 ) ) { |
| 2792 | |
| 2793 | // analyze the 3d space btw edges: is it enough to add long 3d edge? |
| 2794 | if ( myTopoMode ) { |
| 2795 | Handle(Geom_Curve) c3d; |
| 2796 | Standard_Real a, b; |
| 2797 | if ( ! sae.Curve3d ( E1, c3d, a, b, Standard_True ) ) { // cannot work |
| 2798 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2799 | return Standard_False; |
| 2800 | } |
| 2801 | p3d1 = c3d->Value ( b ); |
| 2802 | Standard_Real dist2d3d1 = p3d1.Distance ( surf->Value ( p2d1 ) ); |
| 2803 | if ( ! sae.Curve3d ( E2, c3d, a, b, Standard_True ) ) { // cannot work |
| 2804 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL1 ); |
| 2805 | return Standard_False; |
| 2806 | } |
| 2807 | p3d2 = c3d->Value ( a ); |
| 2808 | Standard_Real dist2d3d2 = p3d2.Distance ( surf->Value ( p2d2 ) ); |
| 2809 | |
| 2810 | tol1 = Max ( BRep_Tool::Tolerance ( E1 ), dist2d3d1 ); |
| 2811 | tol2 = Max ( BRep_Tool::Tolerance ( E2 ), dist2d3d2 ); |
| 2812 | //:c5 Standard_Real tol0 = Max ( tol1 + tol2, thepreci ); |
| 2813 | Standard_Real tol0 = tol1 + tol2; //:c5 abv 26 Feb 98: CTS17806 #44418 |
| 2814 | Standard_Real dist3d2 = p3d1.SquareDistance ( p3d2 ); |
| 2815 | |
| 2816 | // is it OK to add a long 3d edge? |
| 2817 | if ( ! myAnalyzer->LastCheckStatus ( ShapeExtend_DONE2 ) && //:81 abv 20 Jan 98: don`t add back-going edges (zigzags) |
| 2818 | dist3d2 > 1.25 * tol0 * tol0 && |
| 2819 | ( force || dist3d2 > Prec * Prec || inctol > MaxTolerance() ) ) { |
| 2820 | doAddLong = Standard_True; |
| 2821 | } |
| 2822 | } |
| 2823 | |
| 2824 | //:h6 abv 25 Jun 98: BUC40132 6361: try to increase tol up to MaxTol if not add |
| 2825 | if ( ! doAddLong && inctol < MaxTolerance() && |
| 2826 | ! myAnalyzer->Surface()->IsDegenerated ( p2d1, p2d2, 2.*tol, 10. ) ) { //:p7 |
| 2827 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
| 2828 | bendtol1 < inctol && bendtol2 < inctol ) doBend = Standard_True; |
| 2829 | else doIncrease = Standard_True; |
| 2830 | } |
| 2831 | else |
| 2832 | |
| 2833 | // else try to add either degenerated or closed edge |
| 2834 | if ( ! doAddLong ) { |
| 2835 | gp_Pnt pV = 0.5 * ( BRep_Tool::Pnt(V1).XYZ() + BRep_Tool::Pnt(V2).XYZ() ); |
| 2836 | gp_Pnt pm = myAnalyzer->Surface()->Value ( 0.5 * ( p2d1.XY() + p2d2.XY() ) ); |
| 2837 | |
| 2838 | Standard_Real dist = pV.Distance ( pm ); |
| 2839 | if ( dist <= tol ) doAddDegen = Standard_True; |
| 2840 | else if ( myTopoMode ) doAddClosed = Standard_True; |
| 2841 | else if ( dist <= MaxTolerance() ) { //:r7 abv 12 Apr 99: t3d_opt.stp #14245 after S4136 |
| 2842 | doAddDegen = Standard_True; |
| 2843 | doIncrease = Standard_True; |
| 2844 | inctol = dist; |
| 2845 | } |
| 2846 | } |
| 2847 | } |
| 2848 | |
| 2849 | else if ( !BRep_Tool::Degenerated(E2) && BRep_Tool::Degenerated(E1) ) { |
| 2850 | // create new degenerated edge and replace E1 to new edge |
| 2851 | } |
| 2852 | else if ( BRep_Tool::Degenerated(E2) && !BRep_Tool::Degenerated(E1) ) { |
| 2853 | // create new degenerated edge and replace E2 to new edge |
| 2854 | } |
| 2855 | |
| 2856 | //============= |
| 2857 | // Third phase - do the fixes |
| 2858 | BRep_Builder B; |
| 2859 | |
| 2860 | // add edge |
| 2861 | if ( doAddLong || doAddDegen || doAddClosed ) { |
| 2862 | |
| 2863 | // construct new vertices |
| 2864 | TopoDS_Vertex newV1, newV2; |
| 2865 | if ( doAddLong ) { |
| 2866 | newV1 = BRepBuilderAPI_MakeVertex ( p3d1 ); |
| 2867 | newV1.Reverse(); |
| 2868 | newV2 = BRepBuilderAPI_MakeVertex ( p3d2 ); |
| 2869 | B.UpdateVertex ( newV1, 1.001 * tol1 ); |
| 2870 | B.UpdateVertex ( newV2, 1.001 * tol2 ); |
| 2871 | } |
| 2872 | else { |
| 2873 | newV1 = V1; |
| 2874 | newV2 = V2; |
| 2875 | } |
| 2876 | |
| 2877 | // prepare new edge |
| 2878 | TopoDS_Edge edge; |
| 2879 | B.MakeEdge ( edge ); |
| 2880 | if ( doAddDegen ) B.Degenerated ( edge, Standard_True ); // sln: do it before adding curve |
| 2881 | gp_Vec2d v12 ( p2d1, p2d2 ); |
| 2882 | Handle(Geom2d_Line) theLine2d = new Geom2d_Line ( p2d1, gp_Dir2d ( v12 ) ); |
| 2883 | B.UpdateEdge ( edge, theLine2d, face, ::Precision::Confusion() ); |
| 2884 | B.Range ( edge, face, 0, dist2d ); |
| 2885 | B.Add ( edge, newV1.Oriented ( TopAbs_FORWARD ) ); |
| 2886 | B.Add ( edge, newV2.Oriented ( TopAbs_REVERSED ) ); |
| 2887 | ShapeBuild_Edge sbe; |
| 2888 | if ( ! doAddDegen && ! sbe.BuildCurve3d ( edge ) ) { |
| 2889 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL3 ); |
| 2890 | return Standard_False; |
| 2891 | } |
| 2892 | |
| 2893 | // if long edge is added, replace vertices of adjacent edges |
| 2894 | if ( doAddLong ) { |
| 2895 | |
| 2896 | // replace 1st edge (n1==n2 - special case: wire consists of one edge) |
| 2897 | TopoDS_Edge edge1 = sbe.CopyReplaceVertices ( E1, |
| 2898 | ( n1 == n2 ? newV2 : TopoDS_Vertex() ), newV1 ); |
| 2899 | sbwd->Set ( edge1, n1 ); |
| 2900 | if ( ! Context().IsNull() ) { |
| 2901 | Context()->Replace ( E1, edge1 ); |
| 2902 | // actually, this will occur only in context of single face |
| 2903 | // hence, recording to ReShape is rather for tracking modifications |
| 2904 | // than for keeping sharing |
| 2905 | Context()->Replace ( V1, newV1.Oriented ( V1.Orientation() ) ); |
| 2906 | if ( ! V1.IsSame ( V2 ) ) { |
| 2907 | Context()->Replace ( V2, newV2.Oriented ( V2.Orientation() ) ); |
| 2908 | } |
| 2909 | } |
| 2910 | // replace 2nd edge |
| 2911 | if ( n1 != n2 ) { |
| 2912 | TopoDS_Edge edge2 = sbe.CopyReplaceVertices ( E2, newV2, TopoDS_Vertex() ); |
| 2913 | sbwd->Set ( edge2, n2 ); |
| 2914 | if ( ! Context().IsNull() ) Context()->Replace ( E2, edge2 ); |
| 2915 | } |
| 2916 | if ( ! Context().IsNull() ) UpdateWire(); |
| 2917 | } |
| 2918 | |
| 2919 | // insert new edge |
| 2920 | if ( doAddDegen ) { |
| 2921 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE3 ); |
| 2922 | #ifdef DEB |
| 2923 | cout << "Warning: ShapeFix_Wire::FixLacking: degenerated edge added" << endl; |
| 2924 | #endif |
| 2925 | } |
| 2926 | else if ( ! doAddLong ) { |
| 2927 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE4 ); |
| 2928 | } |
| 2929 | sbwd->Add ( edge, n2 ); |
| 2930 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 2931 | } |
| 2932 | |
| 2933 | // else try to increase tol up to MaxTol |
| 2934 | else if ( inctol > tol && inctol < MaxTolerance() ) { |
| 2935 | if ( ! bendc1.IsNull() && ! bendc2.IsNull() && |
| 2936 | bendtol1 < inctol && bendtol2 < inctol ) doBend = Standard_True; |
| 2937 | else doIncrease = Standard_True; |
| 2938 | } |
| 2939 | |
| 2940 | // bend pcurves |
| 2941 | if ( doBend ) { //:s2 abv 21 Apr 99 |
| 2942 | B.UpdateEdge ( E1, bendc1, face, bendtol1 ); |
| 2943 | B.Range ( E1, face, bendf1, bendl1 ); |
| 2944 | B.UpdateEdge ( E2, bendc2, face, bendtol2 ); |
| 2945 | B.Range ( E2, face, bendf2, bendl2 ); |
| 2946 | B.UpdateVertex ( sae.FirstVertex(E1), bendtol1 ); |
| 2947 | B.UpdateVertex ( sae.LastVertex(E1), bendtol1 ); |
| 2948 | B.UpdateVertex ( sae.FirstVertex(E2), bendtol2 ); |
| 2949 | B.UpdateVertex ( sae.LastVertex(E2), bendtol2 ); |
| 2950 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 2951 | //:s3 abv 22 Apr 99: PRO7187 #11534: self-intersection not detected unitil curve is bent (!) |
| 2952 | FixSelfIntersectingEdge ( n1 ); |
| 2953 | FixSelfIntersectingEdge ( n2 ); |
| 2954 | FixIntersectingEdges ( n2 ); //skl 24.04.2003 for OCC58 |
| 2955 | #ifdef DEB |
| 2956 | cout << "Info: ShapeFix_Wire::FixLacking: Bending pcurves" << endl; |
| 2957 | #endif |
| 2958 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE5 ); |
| 2959 | } |
| 2960 | |
| 2961 | // increase vertex tolerance |
| 2962 | if ( doIncrease ) { |
| 2963 | B.UpdateVertex ( V1, 1.001 * inctol ); |
| 2964 | B.UpdateVertex ( V2, 1.001 * inctol ); |
| 2965 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 2966 | } |
| 2967 | |
| 2968 | if ( LastFixStatus ( ShapeExtend_DONE ) ) return Standard_True; |
| 2969 | |
| 2970 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_FAIL2 ); |
| 2971 | return Standard_False; |
| 2972 | } |
| 2973 | |
| 2974 | //======================================================================= |
| 2975 | //function : FixNotchedEdges |
| 2976 | //purpose : |
| 2977 | //======================================================================= |
| 2978 | |
| 2979 | Standard_Boolean ShapeFix_Wire::FixNotchedEdges() |
| 2980 | { |
| 2981 | myLastFixStatus = ShapeExtend::EncodeStatus ( ShapeExtend_OK ); |
| 2982 | if ( ! IsReady() ) return Standard_False; |
| 2983 | |
| 2984 | Handle(ShapeAnalysis_Wire) theAdvAnalyzer = Handle(ShapeAnalysis_Wire)::DownCast(myAnalyzer); |
| 2985 | TopoDS_Face face = Face(); |
| 2986 | if ( ! Context().IsNull() ) UpdateWire(); |
| 2987 | Handle(ShapeExtend_WireData) sewd = WireData(); |
| 2988 | |
| 2989 | for (Standard_Integer i = 1; i <= NbEdges() && NbEdges() > 2; i++ ) { |
| 2990 | Standard_Real param; |
| 2991 | Standard_Integer toRemove; |
| 2992 | if(theAdvAnalyzer->CheckNotchedEdges(i,toRemove,param,MinTolerance())){ |
| 2993 | Standard_Integer n2 = (i > 0) ? i : NbEdges(); |
| 2994 | Standard_Integer n1 = (n2 > 1) ? n2-1 : NbEdges(); |
| 2995 | Standard_Boolean isRemoveFirst = (n1==toRemove); |
| 2996 | Standard_Integer toSplit = (n2==toRemove ? n1 : n2); |
| 2997 | TopoDS_Edge splitE = sewd->Edge ( toSplit ); |
| 2998 | ShapeAnalysis_Edge sae; |
| 2999 | Handle(Geom2d_Curve) c2d; |
| 3000 | Standard_Real a, b; |
| 3001 | sae.PCurve ( splitE, face, c2d, a, b, Standard_True ); |
| 3002 | Standard_Real ppar = (isRemoveFirst ? b : a); |
| 3003 | ShapeBuild_Edge sbe; |
| 3004 | TopAbs_Orientation orient = splitE.Orientation(); |
| 3005 | if ( Abs(param - ppar) > ::Precision::PConfusion() ) { |
| 3006 | //pdn perform splitting of the edge and adding to wire |
| 3007 | |
| 3008 | //pdn check if it is necessary |
| 3009 | if( Abs((isRemoveFirst ? a : b)-param) < ::Precision::PConfusion() ) { |
| 3010 | continue; |
| 3011 | } |
| 3012 | |
| 3013 | Handle(ShapeAnalysis_TransferParametersProj) transferParameters = |
| 3014 | new ShapeAnalysis_TransferParametersProj; |
| 3015 | transferParameters->SetMaxTolerance(MaxTolerance()); |
| 3016 | transferParameters->Init(splitE,face); |
| 3017 | Standard_Real first, last; |
| 3018 | if (a < b ) { |
| 3019 | first = a; |
| 3020 | last = b; |
| 3021 | } |
| 3022 | else { |
| 3023 | first = b; |
| 3024 | last = a; |
| 3025 | } |
| 3026 | TopoDS_Vertex Vnew; |
| 3027 | BRep_Builder B; |
| 3028 | B.MakeVertex(Vnew,Analyzer()->Surface()->Value(c2d->Value(param)),::Precision::Confusion()); |
| 3029 | TopoDS_Edge wE = splitE; |
| 3030 | wE.Orientation ( TopAbs_FORWARD ); |
| 3031 | TopoDS_Shape aTmpShape = Vnew.Oriented(TopAbs_REVERSED); //for porting |
| 3032 | TopoDS_Edge newE1 = sbe.CopyReplaceVertices ( wE, sae.FirstVertex(wE), TopoDS::Vertex(aTmpShape) ); |
| 3033 | sbe.CopyPCurves ( newE1, wE ); |
| 3034 | transferParameters->TransferRange(newE1,first,param,Standard_True); |
| 3035 | B.SameRange(newE1,Standard_False); |
| 3036 | B.SameParameter(newE1,Standard_False); |
| 3037 | aTmpShape = Vnew.Oriented(TopAbs_FORWARD); |
| 3038 | TopoDS_Edge newE2 = sbe.CopyReplaceVertices ( wE, TopoDS::Vertex(aTmpShape),sae.LastVertex(wE) ); |
| 3039 | sbe.CopyPCurves ( newE2, wE ); |
| 3040 | transferParameters->TransferRange(newE2,param,last,Standard_True); |
| 3041 | B.SameRange(newE2,Standard_False); |
| 3042 | B.SameParameter(newE2,Standard_False); |
| 3043 | |
| 3044 | if ( !Context().IsNull() ) { |
| 3045 | TopoDS_Wire wire; |
| 3046 | B.MakeWire(wire); |
| 3047 | B.Add(wire,newE1); |
| 3048 | B.Add(wire,newE2); |
| 3049 | Context()->Replace ( wE, wire ); |
| 3050 | } |
| 3051 | |
| 3052 | newE1.Orientation(orient); |
| 3053 | newE2.Orientation(orient); |
| 3054 | if (orient==TopAbs_REVERSED){ TopoDS_Edge tmp = newE2; newE2 = newE1; newE1=tmp;} |
| 3055 | |
| 3056 | Standard_Boolean isRemoveLast = ((n1==NbEdges())&&(n2==1)); |
| 3057 | sewd->Set ( newE1, toSplit); |
| 3058 | sewd->Add ( newE2, (toSplit==NbEdges() ? 0 : toSplit+1)); |
| 3059 | |
| 3060 | FixDummySeam(isRemoveLast ? NbEdges() : toRemove); |
| 3061 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 ); |
| 3062 | } |
| 3063 | else |
| 3064 | FixDummySeam(n1); |
| 3065 | |
| 3066 | i--; |
| 3067 | if(!Context().IsNull()) //skl 07.03.2002 for OCC180 |
| 3068 | UpdateWire(); |
| 3069 | myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE1 ); |
| 3070 | } |
| 3071 | } |
| 3072 | myStatusNotches = myLastFixStatus; |
| 3073 | return LastFixStatus ( ShapeExtend_DONE ); |
| 3074 | } |
| 3075 | |
| 3076 | //======================================================================= |
| 3077 | //function : FixDummySeam |
| 3078 | //purpose : |
| 3079 | //======================================================================= |
| 3080 | |
| 3081 | static void CopyReversePcurves(const TopoDS_Edge& toedge, |
| 3082 | const TopoDS_Edge& fromedge, |
| 3083 | const Standard_Boolean reverse) |
| 3084 | { |
| 3085 | TopLoc_Location fromLoc = fromedge.Location(); |
| 3086 | TopLoc_Location toLoc = toedge.Location(); |
| 3087 | for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr |
| 3088 | ((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) { |
| 3089 | Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value()); |
| 3090 | if ( fromGC.IsNull() ) continue; |
| 3091 | if ( fromGC->IsCurveOnSurface() ) { |
| 3092 | Handle(Geom_Surface) surface = fromGC->Surface(); |
| 3093 | TopLoc_Location L = fromGC->Location(); |
| 3094 | Standard_Boolean found = Standard_False; |
| 3095 | BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves(); |
| 3096 | Handle(BRep_GCurve) toGC; |
| 3097 | for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More() && !found; toitcr.Next()) { |
| 3098 | toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value()); |
| 3099 | if ( toGC.IsNull() || !toGC->IsCurveOnSurface() || |
| 3100 | surface != toGC->Surface() || L != toGC->Location() ) continue; |
| 3101 | found = Standard_True; |
| 3102 | break; |
| 3103 | } |
| 3104 | if (!found) { |
| 3105 | Standard_Real fp = fromGC->First(); |
| 3106 | Standard_Real lp = fromGC->Last(); |
| 3107 | toGC = Handle(BRep_GCurve)::DownCast(fromGC->Copy()); |
| 3108 | tolist.Append (toGC); |
| 3109 | Handle(Geom2d_Curve) pcurve = Handle(Geom2d_Curve)::DownCast( fromGC->PCurve()->Copy() ); |
| 3110 | if (reverse) { |
| 3111 | fp = pcurve->ReversedParameter(fp); |
| 3112 | lp = pcurve->ReversedParameter(lp); |
| 3113 | pcurve->Reverse(); |
| 3114 | Standard_Real tmp = fp; |
| 3115 | fp = lp; |
| 3116 | lp = tmp; |
| 3117 | } |
| 3118 | //bug OCC209 invalid location of pcurve in the edge after copying |
| 3119 | TopLoc_Location newLoc = (fromLoc*L).Predivided(toLoc); |
| 3120 | toGC->SetRange(fp,lp); |
| 3121 | toGC->PCurve(pcurve); |
| 3122 | toGC->Location(newLoc); |
| 3123 | if ( fromGC->IsCurveOnClosedSurface() ) { |
| 3124 | pcurve = fromGC->PCurve2(); |
| 3125 | toGC->PCurve2(Handle(Geom2d_Curve)::DownCast(pcurve->Copy())); |
| 3126 | } |
| 3127 | } |
| 3128 | } |
| 3129 | } |
| 3130 | } |
| 3131 | |
| 3132 | //======================================================================= |
| 3133 | //function : HasNewPCurves |
| 3134 | //purpose : |
| 3135 | //======================================================================= |
| 3136 | // Note: This function temporarily not used, because adress to it in |
| 3137 | // function FixDummySeam() (see below line 2472) not used too |
| 3138 | // |
| 3139 | //static Standard_Boolean HasNewPCurves(const TopoDS_Edge& toedge, |
| 3140 | // const TopoDS_Edge& fromedge) |
| 3141 | // |
| 3142 | //{ |
| 3143 | // for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr |
| 3144 | // ((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) { |
| 3145 | // Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value()); |
| 3146 | // if ( fromGC.IsNull() ) continue; |
| 3147 | // if ( fromGC->IsCurveOnSurface() ) { |
| 3148 | // Handle(Geom_Surface) surface = fromGC->Surface(); |
| 3149 | // TopLoc_Location L = fromGC->Location(); |
| 3150 | // Standard_Boolean found = Standard_False; |
| 3151 | // BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves(); |
| 3152 | // Handle(BRep_GCurve) toGC; |
| 3153 | // for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More() && !found; toitcr.Next()) { |
| 3154 | // toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value()); |
| 3155 | // if ( toGC.IsNull() || !toGC->IsCurveOnSurface() || |
| 3156 | // surface != toGC->Surface() || L != toGC->Location() ) continue; |
| 3157 | // found = Standard_True; |
| 3158 | // break; |
| 3159 | // } |
| 3160 | // if (!found) |
| 3161 | // return Standard_True; |
| 3162 | // } |
| 3163 | // } |
| 3164 | // return Standard_False; |
| 3165 | //} |
| 3166 | |
| 3167 | //======================================================================= |
| 3168 | //function : FixDummySeam |
| 3169 | //purpose : |
| 3170 | //======================================================================= |
| 3171 | |
| 3172 | void ShapeFix_Wire::FixDummySeam(const Standard_Integer num) |
| 3173 | { |
| 3174 | ShapeAnalysis_Edge sae; |
| 3175 | ShapeBuild_Edge sbe; |
| 3176 | ShapeBuild_Vertex sbv; |
| 3177 | Standard_Integer num1 = (num == NbEdges()) ? 1 : num+1; |
| 3178 | Handle(ShapeExtend_WireData) sewd = WireData(); |
| 3179 | TopoDS_Edge E1 = sewd->Edge(num), E2 = sewd->Edge(num1); |
| 3180 | TopoDS_Vertex V1 = sae.FirstVertex(E1), V2 = sae.LastVertex(E2); |
| 3181 | TopoDS_Vertex Vm = sbv.CombineVertex ( V1, V2, 1.0001 ); |
| 3182 | |
| 3183 | //pnd defining if new pcurves exists |
| 3184 | //pdn Temporary not removed |
| 3185 | // Standard_Boolean toRemove = !(HasNewPCurves(E1,E2)||HasNewPCurves(E2,E1)); |
| 3186 | Standard_Boolean toRemove = Standard_False; |
| 3187 | |
| 3188 | //creating new edge with pcurves and new vertex |
| 3189 | TopoDS_Vertex Vs = sae.FirstVertex(E2); |
| 3190 | if ( Vs.IsSame ( V1 ) || Vs.IsSame ( V2 ) ) Vs = Vm; |
| 3191 | TopoDS_Edge newEdge = sbe.CopyReplaceVertices ( E2, Vs, Vm ); |
| 3192 | CopyReversePcurves(newEdge,E1,E1.Orientation()==E2.Orientation()); |
| 3193 | BRep_Builder B; |
| 3194 | B.SameRange(newEdge,Standard_False); |
| 3195 | B.SameParameter(newEdge,Standard_False); |
| 3196 | |
| 3197 | if ( !Context().IsNull() ) { |
| 3198 | if (toRemove) { |
| 3199 | Context()->Remove ( E2 ); |
| 3200 | Context()->Remove ( E1 ); |
| 3201 | } |
| 3202 | else { |
| 3203 | Context()->Replace ( E2, newEdge ); |
| 3204 | Context()->Replace ( E1, newEdge.Reversed()); |
| 3205 | } |
| 3206 | Context()->Replace ( V1, Vm.Oriented(V1.Orientation()) ); |
| 3207 | Context()->Replace ( V2, Vm.Oriented(V2.Orientation()) ); |
| 3208 | } |
| 3209 | |
| 3210 | Standard_Integer next = ( num1 == NbEdges()) ? 1 : num1+1; |
| 3211 | Standard_Integer prev = ( num > 1) ? num-1 : NbEdges(); |
| 3212 | TopoDS_Edge prevE = sewd->Edge(prev), nextE = sewd->Edge(next); |
| 3213 | |
| 3214 | TopoDS_Edge tmpE1=sbe.CopyReplaceVertices( prevE, TopoDS_Vertex(), Vm); |
| 3215 | sewd->Set ( tmpE1,prev ); |
| 3216 | if ( !Context().IsNull() ) Context()->Replace ( prevE, tmpE1); |
| 3217 | |
| 3218 | tmpE1 = sbe.CopyReplaceVertices ( nextE, Vm, TopoDS_Vertex()); |
| 3219 | sewd->Set ( tmpE1,next ); |
| 3220 | if ( !Context().IsNull() ) Context()->Replace ( nextE, tmpE1); |
| 3221 | |
| 3222 | //removing edges from wire |
| 3223 | Standard_Integer n1, n2; |
| 3224 | if ( num < num1 ) { |
| 3225 | n1 = num; n2 = num1; |
| 3226 | } else { |
| 3227 | n1 = num1; n2 = num; |
| 3228 | } |
| 3229 | sewd->Remove(n2); |
| 3230 | sewd->Remove(n1); |
| 3231 | } |
| 3232 | |
| 3233 | //======================================================================= |
| 3234 | //function : UpdateWire |
| 3235 | //purpose : |
| 3236 | //======================================================================= |
| 3237 | |
| 3238 | void ShapeFix_Wire::UpdateWire () |
| 3239 | { |
| 3240 | Handle(ShapeExtend_WireData) sbwd = WireData(); |
| 3241 | for ( Standard_Integer i=1; i <= sbwd->NbEdges(); i++ ) { |
| 3242 | TopoDS_Edge E = sbwd->Edge(i); |
| 3243 | TopoDS_Shape S = Context()->Apply ( E ); |
| 3244 | if ( S == E ) continue; |
| 3245 | for ( TopExp_Explorer exp(S,TopAbs_EDGE); exp.More(); exp.Next() ) |
| 3246 | sbwd->Add ( exp.Current(), i++ ); |
| 3247 | sbwd->Remove ( i-- ); |
| 3248 | } |
| 3249 | } |