projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| 92d1589b A |
1 | // File: BRepExtrema_DistanceSS.cxx |
| 2 | // Created: Mon Apr 22 17:03:37 1996 | |
| 7fd59977 | 3 | // Author: Maria PUMBORIOS |
| 92d1589b | 4 | // Author: Herve LOUESSARD |
| 7fd59977 | 5 | |
| 92d1589b A |
6 | // Modified: Sergey ZERCHANINOV |
| 7 | ||
| 8 | #include <BRepExtrema_DistanceSS.hxx> | |
| 7fd59977 | 9 | |
| 7fd59977 | 10 | #include <TopTools_IndexedMapOfShape.hxx> |
| 11 | #include <TopExp.hxx> | |
| 12 | #include <gp_Pnt.hxx> | |
| 13 | #include <gp_Pnt2d.hxx> | |
| 14 | #include <BRep_Tool.hxx> | |
| 15 | #include <BRepExtrema_SupportType.hxx> | |
| 7fd59977 | 16 | #include <Standard_Real.hxx> |
| 17 | #include <BRepExtrema_SolutionElem.hxx> | |
| 18 | #include <BRepExtrema_SeqOfSolution.hxx> | |
| 19 | #include <Standard_Boolean.hxx> | |
| 20 | #include <Standard_Integer.hxx> | |
| 21 | #include <TopAbs_ShapeEnum.hxx> | |
| 22 | #include <TopoDS.hxx> | |
| 23 | #include <Bnd_Box.hxx> | |
| 24 | #include <BRepExtrema_ExtPC.hxx> | |
| 25 | #include <BRepExtrema_ExtPF.hxx> | |
| 92d1589b | 26 | #include <Extrema_ExtFlag.hxx> |
| 7fd59977 | 27 | #include <BRepExtrema_ExtCC.hxx> |
| 28 | #include <BRepExtrema_ExtCF.hxx> | |
| 29 | #include <BRepExtrema_ExtFF.hxx> | |
| 30 | #include <BRepClass_FaceClassifier.hxx> | |
| 31 | #include <TopAbs.hxx> | |
| 32 | #include <Geom_Curve.hxx> | |
| 33 | #include <GeomAbs_Shape.hxx> | |
| 34 | #include <GeomAdaptor_Curve.hxx> | |
| 35 | #include <TColStd_Array1OfReal.hxx> | |
| 36 | #include <BRepBuilderAPI_MakeVertex.hxx> | |
| 37 | #include <BRepBuilderAPI_MakeEdge.hxx> | |
| 38 | #include <BRepBuilderAPI_MakeFace.hxx> | |
| 39 | #include <Geom_Surface.hxx> | |
| 40 | #include <GeomAPI_ProjectPointOnSurf.hxx> | |
| 41 | #include <GeomAPI_ProjectPointOnCurve.hxx> | |
| 42 | #include <Geom_RectangularTrimmedSurface.hxx> | |
| 43 | #include <Geom_TrimmedCurve.hxx> | |
| 44 | #include <BRepBndLib.hxx> | |
| 45 | #include <BRepTools.hxx> | |
| 46 | #include <TColgp_Array1OfPnt.hxx> | |
| 47 | ||
| 48 | ||
| 7fd59977 | 49 | /*********************************************************************************/ |
| 50 | ||
| 51 | //------------------------------------------------------------------------------ | |
| 52 | // function: TRI_SOLUTION | |
| 53 | //------------------------------------------------------------------------------ | |
| 92d1589b | 54 | static Standard_Boolean TRI_SOLUTION (const BRepExtrema_SeqOfSolution& SeqSol, const gp_Pnt& Pt) |
| 7fd59977 | 55 | { |
| 92d1589b A |
56 | const Standard_Integer Nbsol = SeqSol.Length(); |
| 57 | for (Standard_Integer i = 1; i <= Nbsol; i++) | |
| 58 | { | |
| 59 | const Standard_Real dst = SeqSol.Value(i).Point().Distance(Pt); | |
| 60 | if (dst <= Precision::Confusion()) return Standard_False; | |
| 61 | } | |
| 62 | return Standard_True; | |
| 7fd59977 | 63 | } |
| 64 | ||
| 65 | //------------------------------------------------------------------------------ | |
| 66 | // function: MIN_SOLUTION | |
| 67 | //------------------------------------------------------------------------------ | |
| 92d1589b A |
68 | static void MIN_SOLUTION (const BRepExtrema_SeqOfSolution& SeqSol1, |
| 69 | const BRepExtrema_SeqOfSolution& SeqSol2, | |
| 70 | const Standard_Real DstRef, | |
| 71 | const Standard_Real Eps, | |
| 72 | BRepExtrema_SeqOfSolution& seqSol1, | |
| 73 | BRepExtrema_SeqOfSolution& seqSol2) | |
| 7fd59977 | 74 | { |
| 92d1589b A |
75 | const Standard_Integer nbSol = SeqSol1.Length(); |
| 76 | for (Standard_Integer i = 1; i <= nbSol; i++) | |
| 77 | { | |
| 78 | const Standard_Real dst1 = SeqSol1.Value(i).Dist(); | |
| 79 | if (fabs(dst1 - DstRef) < Eps) | |
| 7fd59977 | 80 | { |
| 92d1589b A |
81 | seqSol1.Append(SeqSol1.Value(i)); |
| 82 | seqSol2.Append(SeqSol2.Value(i)); | |
| 7fd59977 | 83 | } |
| 92d1589b | 84 | } |
| 7fd59977 | 85 | } |
| 86 | ||
| 7fd59977 | 87 | //------------------------------------------------------------------------------ |
| 88 | // function: TRIM_INFINIT_EDGE | |
| 89 | //------------------------------------------------------------------------------ | |
| 92d1589b A |
90 | static void TRIM_INFINIT_EDGE(const TopoDS_Edge& S1, const TopoDS_Edge& S2, TopoDS_Edge& aResEdge, |
| 91 | Standard_Boolean& bIsTrim1, Standard_Boolean& bIsTrim2) | |
| 7fd59977 | 92 | { |
| 92d1589b | 93 | if ( BRep_Tool::Degenerated(S1) || BRep_Tool::Degenerated(S2) ) |
| 7fd59977 | 94 | return; |
| 95 | ||
| 96 | aResEdge = S2; | |
| 97 | Standard_Real aFirst1, aLast1, aFirst2, aLast2; | |
| 7fd59977 | 98 | Handle(Geom_Curve) pCurv1 = BRep_Tool::Curve(S1, aFirst1, aLast1); |
| 99 | Handle(Geom_Curve) pCurv2 = BRep_Tool::Curve(S2, aFirst2, aLast2); | |
| 100 | ||
| 7fd59977 | 101 | if (Precision::IsInfinite(aFirst1) && |
| 102 | Precision::IsInfinite(aLast1) && | |
| 103 | Precision::IsInfinite(aFirst2) && | |
| 104 | Precision::IsInfinite(aLast2)) | |
| 105 | return; | |
| 7fd59977 | 106 | |
| 92d1589b A |
107 | Standard_Real Umin, Umax; |
| 108 | Standard_Boolean bUmin, bUmax; | |
| 109 | bUmin = bUmax = Standard_False; | |
| 110 | ||
| 111 | Handle(Geom_Curve) pCurv; | |
| 112 | if ( !pCurv1.IsNull() && (Precision::IsInfinite(aFirst1) || Precision::IsInfinite(aLast1)) ) | |
| 113 | { | |
| 114 | pCurv = pCurv1; | |
| 115 | bIsTrim1 = Standard_True; | |
| 116 | if (!Precision::IsInfinite(aFirst1)) | |
| 7fd59977 | 117 | { |
| 92d1589b A |
118 | bUmin = Standard_True; |
| 119 | Umin = aFirst1; | |
| 7fd59977 | 120 | } |
| 92d1589b | 121 | else if (!Precision::IsInfinite(aLast1)) |
| 7fd59977 | 122 | { |
| 92d1589b A |
123 | bUmax = Standard_True; |
| 124 | Umax = aLast1; | |
| 7fd59977 | 125 | } |
| 92d1589b A |
126 | } |
| 127 | else if ( !pCurv2.IsNull() && (Precision::IsInfinite(aFirst2) || Precision::IsInfinite(aLast2)) ) | |
| 128 | { | |
| 129 | pCurv = pCurv2; | |
| 130 | bIsTrim2 = Standard_True; | |
| 131 | if (!Precision::IsInfinite(aFirst2)) | |
| 7fd59977 | 132 | { |
| 92d1589b A |
133 | bUmin = Standard_True; |
| 134 | Umin = aFirst2; | |
| 135 | } | |
| 136 | else if (!Precision::IsInfinite(aLast2)) | |
| 137 | { | |
| 138 | bUmax = Standard_True; | |
| 139 | Umax = aLast2; | |
| 140 | } | |
| 141 | } | |
| 142 | if (bIsTrim1 || bIsTrim2) | |
| 143 | { | |
| 144 | Bnd_Box aEdgeBox; | |
| 145 | if (bIsTrim1) | |
| 146 | BRepBndLib::Add(S2, aEdgeBox); | |
| 147 | if (bIsTrim2) | |
| 148 | BRepBndLib::Add(S1, aEdgeBox); | |
| 149 | Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax; | |
| 150 | aEdgeBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax); | |
| 151 | ||
| 152 | const gp_Pnt aPnt0(Xmin, Ymin, Zmin); | |
| 153 | const gp_Pnt aPnt1(Xmin, Ymax, Zmin); | |
| 154 | const gp_Pnt aPnt2(Xmin, Ymax, Zmax); | |
| 155 | const gp_Pnt aPnt3(Xmin, Ymin, Zmax); | |
| 156 | const gp_Pnt aPnt4(Xmax, Ymax, Zmin); | |
| 157 | const gp_Pnt aPnt5(Xmax, Ymax, Zmax); | |
| 158 | const gp_Pnt aPnt6(Xmax, Ymin, Zmax); | |
| 159 | const gp_Pnt aPnt7(Xmax, Ymin, Zmin); | |
| 160 | ||
| 161 | Standard_Real arrU[8]; | |
| 162 | GeomAPI_ProjectPointOnCurve aProj(aPnt0, pCurv); | |
| 163 | /*szv:aProj.Perform(aPnt0);*/ arrU[0] = aProj.LowerDistanceParameter(); | |
| 164 | aProj.Perform(aPnt1); arrU[1] = aProj.LowerDistanceParameter(); | |
| 165 | aProj.Perform(aPnt2); arrU[2] = aProj.LowerDistanceParameter(); | |
| 166 | aProj.Perform(aPnt3); arrU[3] = aProj.LowerDistanceParameter(); | |
| 167 | aProj.Perform(aPnt4); arrU[4] = aProj.LowerDistanceParameter(); | |
| 168 | aProj.Perform(aPnt5); arrU[5] = aProj.LowerDistanceParameter(); | |
| 169 | aProj.Perform(aPnt6); arrU[6] = aProj.LowerDistanceParameter(); | |
| 170 | aProj.Perform(aPnt7); arrU[7] = aProj.LowerDistanceParameter(); | |
| 171 | ||
| 172 | if (!bUmin) | |
| 173 | Umin = arrU[0]; | |
| 7fd59977 | 174 | |
| 92d1589b A |
175 | if (!bUmax) |
| 176 | Umax = arrU[0]; | |
| 7fd59977 | 177 | |
| 92d1589b A |
178 | Standard_Integer i = 0; |
| 179 | while (i < 8) | |
| 7fd59977 | 180 | { |
| 92d1589b | 181 | const Standard_Real aU = arrU[i++]; |
| 7fd59977 | 182 | if (aU < Umin) |
| 183 | Umin = aU; | |
| 184 | else if (aU > Umax) | |
| 185 | Umax = aU; | |
| 7fd59977 | 186 | } |
| 187 | ||
| 92d1589b A |
188 | Standard_Real tol = Precision::Confusion(); |
| 189 | if (bIsTrim1) | |
| 190 | tol = BRep_Tool::Tolerance(S1); | |
| 191 | else if (bIsTrim2) | |
| 192 | tol = BRep_Tool::Tolerance(S2); | |
| 7fd59977 | 193 | |
| 92d1589b A |
194 | const Standard_Real EpsU = GeomAdaptor_Curve(pCurv).Resolution(3.*tol); |
| 195 | if (fabs(Umin - Umax) < EpsU) | |
| 196 | { | |
| 197 | Umin -= EpsU; | |
| 198 | Umax += EpsU; | |
| 7fd59977 | 199 | } |
| 92d1589b A |
200 | |
| 201 | Handle(Geom_Curve) result = new Geom_TrimmedCurve(pCurv, Umin, Umax); | |
| 202 | aResEdge = BRepBuilderAPI_MakeEdge(result); | |
| 203 | } | |
| 7fd59977 | 204 | } |
| 205 | ||
| 206 | //------------------------------------------------------------------------------ | |
| 207 | // function: TRIM_INFINIT_FACE | |
| 208 | //------------------------------------------------------------------------------ | |
| 92d1589b A |
209 | static void TRIM_INFINIT_FACE(const TopoDS_Shape& S1, const TopoDS_Shape& S2, |
| 210 | TopoDS_Face& aResFace, Standard_Boolean& bIsInfinit) | |
| 7fd59977 | 211 | { |
| 212 | bIsInfinit = Standard_False; | |
| 213 | ||
| 92d1589b A |
214 | TopAbs_ShapeEnum Type1 = S1.ShapeType(); |
| 215 | TopAbs_ShapeEnum Type2 = S2.ShapeType(); | |
| 7fd59977 | 216 | |
| 217 | TopoDS_Edge aE; | |
| 218 | TopoDS_Face aF; | |
| 219 | ||
| 220 | if (Type1 == TopAbs_EDGE && Type2 == TopAbs_FACE) | |
| 92d1589b A |
221 | { |
| 222 | aE = TopoDS::Edge(S1); | |
| 223 | if ( BRep_Tool::Degenerated(aE) ) | |
| 224 | return; | |
| 225 | aF = TopoDS::Face(S2); | |
| 226 | } | |
| 7fd59977 | 227 | else if (Type2 == TopAbs_EDGE && Type1 == TopAbs_FACE) |
| 92d1589b A |
228 | { |
| 229 | aE = TopoDS::Edge(S2); | |
| 230 | if ( BRep_Tool::Degenerated(aE) ) | |
| 7fd59977 | 231 | return; |
| 92d1589b A |
232 | aF = TopoDS::Face(S1); |
| 233 | } | |
| 234 | else | |
| 235 | { | |
| 236 | bIsInfinit = Standard_False; | |
| 237 | return; | |
| 238 | } | |
| 7fd59977 | 239 | |
| 7fd59977 | 240 | aResFace = aF; |
| 241 | Handle(Geom_Surface) pSurf = BRep_Tool::Surface(aF); | |
| 242 | ||
| 92d1589b | 243 | const Standard_Boolean bRestrict = BRep_Tool::NaturalRestriction(aF); |
| 7fd59977 | 244 | |
| 92d1589b A |
245 | Standard_Real U1, V1, U2, V2; |
| 246 | Standard_Real Umin, Umax, Vmin, Vmax; | |
| 7fd59977 | 247 | Standard_Boolean bUmin, bUmax, bVmin, bVmax; |
| 248 | bUmin = bUmax = bVmin = bVmax = Standard_False; | |
| 92d1589b | 249 | Standard_Boolean bIsTrim = Standard_False; |
| 7fd59977 | 250 | |
| 251 | if (bRestrict) | |
| 92d1589b A |
252 | { |
| 253 | pSurf->Bounds(U1, U2, V1, V2); | |
| 254 | if (Precision::IsInfinite(U1)) | |
| 255 | bIsTrim = Standard_True; | |
| 256 | else | |
| 7fd59977 | 257 | { |
| 92d1589b A |
258 | Umin = U1; |
| 259 | bUmin = Standard_True; | |
| 260 | } | |
| 7fd59977 | 261 | |
| 92d1589b A |
262 | if (Precision::IsInfinite(U2)) |
| 263 | bIsTrim = Standard_True; | |
| 264 | else | |
| 265 | { | |
| 266 | Umax = U2; | |
| 267 | bUmax = Standard_True; | |
| 268 | } | |
| 7fd59977 | 269 | |
| 92d1589b A |
270 | if (Precision::IsInfinite(V1)) |
| 271 | bIsTrim = Standard_True; | |
| 272 | else | |
| 7fd59977 | 273 | { |
| 92d1589b A |
274 | Vmin = V1; |
| 275 | bVmin = Standard_True; | |
| 7fd59977 | 276 | } |
| 277 | ||
| 92d1589b A |
278 | if (Precision::IsInfinite(V2)) |
| 279 | bIsTrim = Standard_True; | |
| 280 | else | |
| 7fd59977 | 281 | { |
| 92d1589b A |
282 | Vmax = V2; |
| 283 | bVmax = Standard_True; | |
| 7fd59977 | 284 | } |
| 92d1589b | 285 | } |
| 7fd59977 | 286 | else |
| 92d1589b A |
287 | { |
| 288 | BRepTools::UVBounds(aF, U1, U2, V1, V2); | |
| 289 | if (Precision::IsInfinite(U1) && | |
| 290 | Precision::IsInfinite(U2) && | |
| 291 | Precision::IsInfinite(V1) && | |
| 292 | Precision::IsInfinite(V2)) | |
| 293 | bIsTrim = Standard_True; | |
| 294 | } | |
| 7fd59977 | 295 | |
| 296 | if (bIsTrim) | |
| 92d1589b A |
297 | { |
| 298 | Bnd_Box aEdgeBox; | |
| 299 | BRepBndLib::Add(aE, aEdgeBox); | |
| 300 | ||
| 301 | if(aEdgeBox.IsWhole()) | |
| 302 | return; | |
| 7fd59977 | 303 | |
| 92d1589b A |
304 | Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax; |
| 305 | aEdgeBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax); | |
| 306 | ||
| 307 | const gp_Pnt aPnt0(Xmin, Ymin, Zmin); | |
| 308 | const gp_Pnt aPnt1(Xmin, Ymax, Zmin); | |
| 309 | const gp_Pnt aPnt2(Xmin, Ymax, Zmax); | |
| 310 | const gp_Pnt aPnt3(Xmin, Ymin, Zmax); | |
| 311 | const gp_Pnt aPnt4(Xmax, Ymax, Zmin); | |
| 312 | const gp_Pnt aPnt5(Xmax, Ymax, Zmax); | |
| 313 | const gp_Pnt aPnt6(Xmax, Ymin, Zmax); | |
| 314 | const gp_Pnt aPnt7(Xmax, Ymin, Zmin); | |
| 315 | ||
| 316 | Standard_Real arrU[8], arrV[8]; | |
| 317 | GeomAPI_ProjectPointOnSurf aProj(aPnt0, pSurf); | |
| 318 | /*szv:aProj.Perform(aPnt0);*/ if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[0],arrV[0]); | |
| 319 | aProj.Perform(aPnt1); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[1],arrV[1]); | |
| 320 | aProj.Perform(aPnt2); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[2],arrV[2]); | |
| 321 | aProj.Perform(aPnt3); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[3],arrV[3]); | |
| 322 | aProj.Perform(aPnt4); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[4],arrV[4]); | |
| 323 | aProj.Perform(aPnt5); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[5],arrV[5]); | |
| 324 | aProj.Perform(aPnt6); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[6],arrV[6]); | |
| 325 | aProj.Perform(aPnt7); if (aProj.IsDone()) aProj.LowerDistanceParameters(arrU[7],arrV[7]); | |
| 326 | ||
| 327 | if (!bUmin) | |
| 328 | Umin = arrU[0]; | |
| 329 | if (!bUmax) | |
| 330 | Umax = arrU[0]; | |
| 331 | if (!bVmin) | |
| 332 | Vmin = arrV[0]; | |
| 333 | if (!bVmax) | |
| 334 | Vmax = arrV[0]; | |
| 335 | ||
| 336 | Standard_Integer i = 0; | |
| 337 | while (i < 8) | |
| 7fd59977 | 338 | { |
| 92d1589b | 339 | const Standard_Real aU = arrU[i]; |
| 7fd59977 | 340 | if (aU < Umin) |
| 341 | Umin = aU; | |
| 342 | else if (aU > Umax) | |
| 343 | Umax = aU; | |
| 344 | ||
| 92d1589b | 345 | const Standard_Real aV = arrV[i]; |
| 7fd59977 | 346 | if (aV < Vmin) |
| 347 | Vmin = aV; | |
| 348 | else if (aV > Vmax) | |
| 349 | Vmax = aV; | |
| ed0d16d8 S |
350 | |
| 351 | i++; | |
| 7fd59977 | 352 | } |
| 353 | ||
| 92d1589b A |
354 | GeomAdaptor_Surface aGAS(pSurf); |
| 355 | const Standard_Real tol = BRep_Tool::Tolerance(aF); | |
| 7fd59977 | 356 | |
| 92d1589b A |
357 | const Standard_Real EpsU = aGAS.UResolution(3.*tol); |
| 358 | if (fabs(Umin - Umax) < EpsU) | |
| 359 | { | |
| 360 | Umin -= EpsU; | |
| 361 | Umax += EpsU; | |
| 362 | } | |
| 7fd59977 | 363 | |
| 92d1589b A |
364 | const Standard_Real EpsV = aGAS.VResolution(3.*tol); |
| 365 | if (fabs(Vmin - Vmax) < EpsV) | |
| 366 | { | |
| 367 | Vmin -= EpsV; | |
| 368 | Vmax += EpsV; | |
| 7fd59977 | 369 | } |
| 92d1589b A |
370 | |
| 371 | Handle(Geom_Surface) result = new Geom_RectangularTrimmedSurface(pSurf, Umin, Umax, Vmin, Vmax); | |
| 1c72dff6 | 372 | aResFace = BRepBuilderAPI_MakeFace(result, Precision::Confusion()); |
| 92d1589b A |
373 | |
| 374 | bIsInfinit = Standard_True; | |
| 375 | } | |
| 7fd59977 | 376 | else |
| 377 | bIsInfinit = Standard_False; | |
| 378 | } | |
| 379 | ||
| 380 | //------------------------------------------------------------------------------ | |
| 381 | // static function: PERFORM_C0 | |
| 382 | //------------------------------------------------------------------------------ | |
| 92d1589b A |
383 | static void PERFORM_C0(const TopoDS_Edge &S1, const TopoDS_Edge &S2, |
| 384 | BRepExtrema_SeqOfSolution& SeqSol1, | |
| 385 | BRepExtrema_SeqOfSolution& SeqSol2, | |
| 386 | const Standard_Real DstRef, | |
| 387 | Standard_Real& mDstRef, | |
| 388 | const Standard_Real Eps) | |
| 7fd59977 | 389 | { |
| 92d1589b | 390 | if ( BRep_Tool::Degenerated(S1) || BRep_Tool::Degenerated(S2) ) |
| 7fd59977 | 391 | return; |
| 92d1589b | 392 | |
| 7fd59977 | 393 | Standard_Integer iE; |
| 7fd59977 | 394 | for (iE = 0; iE < 2; iE++) |
| 92d1589b A |
395 | { |
| 396 | TopoDS_Edge E, Eother; | |
| 397 | if (iE == 0) | |
| 7fd59977 | 398 | { |
| 399 | E = S1; | |
| 400 | Eother = S2; | |
| 401 | } | |
| 92d1589b | 402 | else |
| 7fd59977 | 403 | { |
| 404 | E = S2; | |
| 405 | Eother = S1; | |
| 406 | } | |
| 7fd59977 | 407 | |
| 92d1589b A |
408 | Standard_Real aFirst, aLast; |
| 409 | Handle(Geom_Curve) pCurv = BRep_Tool::Curve(E, aFirst, aLast); | |
| 7fd59977 | 410 | |
| 92d1589b A |
411 | Standard_Real aFOther, aLOther; |
| 412 | Handle(Geom_Curve) pCurvOther = BRep_Tool::Curve(Eother, aFOther, aLOther); | |
| 413 | ||
| 414 | if (pCurv->Continuity() == GeomAbs_C0) | |
| 7fd59977 | 415 | { |
| 92d1589b | 416 | const Standard_Real epsP = Precision::PConfusion(); |
| 7fd59977 | 417 | |
| 92d1589b A |
418 | GeomAdaptor_Curve aAdaptorCurve(pCurv, aFirst, aLast); |
| 419 | const Standard_Integer nbIntervals = aAdaptorCurve.NbIntervals(GeomAbs_C1); | |
| 7fd59977 | 420 | |
| 92d1589b A |
421 | TColStd_Array1OfReal arrInter(1,1+nbIntervals); |
| 422 | aAdaptorCurve.Intervals(arrInter, GeomAbs_C1); | |
| 7fd59977 | 423 | |
| 92d1589b A |
424 | GeomAdaptor_Curve aAdaptorCurveOther(pCurvOther, aFOther, aLOther); |
| 425 | const Standard_Integer nbIntervalsOther = aAdaptorCurveOther.NbIntervals(GeomAbs_C1); | |
| 426 | TColStd_Array1OfReal arrInterOther(1,1+nbIntervalsOther); | |
| 427 | aAdaptorCurveOther.Intervals(arrInterOther, GeomAbs_C1); | |
| 7fd59977 | 428 | |
| 92d1589b A |
429 | Standard_Real Udeb,Ufin; |
| 430 | BRep_Tool::Range(Eother,Udeb,Ufin); | |
| 7fd59977 | 431 | |
| 92d1589b A |
432 | gp_Pnt P1,Pt; |
| 433 | Standard_Integer i, ii; | |
| 434 | BRepClass_FaceClassifier classifier; | |
| 435 | for (i = 1; i <= arrInter.Length(); i++) | |
| 436 | { | |
| 437 | const Standard_Real aParameter = arrInter(i); | |
| 438 | const gp_Pnt aPnt = aAdaptorCurve.Value(aParameter); | |
| 439 | const TopoDS_Vertex V1 = BRepBuilderAPI_MakeVertex(aPnt); | |
| 7fd59977 | 440 | |
| 92d1589b A |
441 | BRepExtrema_ExtPC Ext(V1,Eother); |
| 442 | const Standard_Integer NbExtrema = Ext.IsDone()? Ext.NbExt() : 0; | |
| 443 | if ( NbExtrema > 0 ) | |
| 444 | { | |
| 445 | // Search minimum distance dstmin | |
| 446 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 447 | for (ii = 2; ii <= NbExtrema; ii++) | |
| 448 | { | |
| 449 | const Standard_Real sDst = Ext.SquareDistance(ii); | |
| 450 | if (sDst<Dstmin) | |
| 451 | Dstmin=sDst; | |
| 452 | } | |
| 453 | Dstmin = sqrt(Dstmin); | |
| 454 | ||
| 455 | if ((Dstmin < DstRef - Eps) || (fabs(Dstmin-DstRef) < Eps)) | |
| 456 | for (ii = 1; ii <= NbExtrema; ii++) | |
| 457 | { | |
| 458 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(ii)))<Eps) | |
| 459 | { | |
| 460 | Pt=Ext.Point(ii); | |
| 461 | if (TRI_SOLUTION(SeqSol2,Pt)) | |
| 462 | { | |
| 463 | // Check if the parameter does not correspond to a vertex | |
| 464 | const Standard_Real t = Ext.Parameter(ii); | |
| 465 | if ((fabs(t-Udeb)>=epsP)&&(fabs(t-Ufin)>epsP)) | |
| 466 | { | |
| 467 | if (mDstRef > Dstmin) | |
| 468 | mDstRef=Dstmin; | |
| 469 | const BRepExtrema_SolutionElem Sol1(Dstmin,aPnt,BRepExtrema_IsOnEdge,E,aParameter); | |
| 470 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt,BRepExtrema_IsOnEdge,Eother,t); | |
| 471 | SeqSol1.Append(iE == 0 ? Sol1 : Sol2); | |
| 472 | SeqSol2.Append(iE == 0 ? Sol2 : Sol1); | |
| 473 | } | |
| 474 | } | |
| 475 | } | |
| 476 | } | |
| 477 | } | |
| 478 | for (Standard_Integer i2 = 1; i2<=arrInterOther.Length(); i2++) | |
| 479 | { | |
| 480 | const Standard_Real aParameterOther = arrInterOther(i2); | |
| 481 | const gp_Pnt aPntOther = aAdaptorCurveOther.Value(aParameterOther); | |
| 482 | const Standard_Real Dst = aPnt.Distance(aPntOther); | |
| 483 | if ((Dst < DstRef - Eps) || (fabs(Dst-DstRef) < Eps)) | |
| 484 | { | |
| 485 | if (mDstRef > Dst) | |
| 486 | mDstRef=Dst; | |
| 487 | const BRepExtrema_SolutionElem Sol1(Dst,aPnt,BRepExtrema_IsOnEdge,E,aParameter); | |
| 488 | const BRepExtrema_SolutionElem Sol2(Dst,aPntOther,BRepExtrema_IsOnEdge,Eother,aParameterOther); | |
| 489 | SeqSol1.Append(iE == 0 ? Sol1 : Sol2); | |
| 490 | SeqSol2.Append(iE == 0 ? Sol2 : Sol1); | |
| 491 | } | |
| 492 | } | |
| 493 | } | |
| 494 | } | |
| 495 | } | |
| 7fd59977 | 496 | } |
| 497 | ||
| 498 | /*********************************************************************************/ | |
| 499 | ||
| 92d1589b A |
500 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Shape& S1, const TopoDS_Shape& S2, |
| 501 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 7fd59977 | 502 | { |
| 92d1589b A |
503 | SeqSolShape1.Clear(); |
| 504 | SeqSolShape2.Clear(); | |
| 505 | myModif=Standard_False; | |
| 7fd59977 | 506 | |
| 92d1589b A |
507 | switch (S1.ShapeType()) |
| 508 | { | |
| 509 | case TopAbs_VERTEX : | |
| 510 | { | |
| 511 | TopoDS_Vertex V1 = TopoDS::Vertex(S1); | |
| 512 | switch (S2.ShapeType()) | |
| 513 | { | |
| 514 | case TopAbs_VERTEX : | |
| 515 | { | |
| 516 | TopoDS_Vertex V2 = TopoDS::Vertex(S2); | |
| 517 | Perform( V1, V2 ); | |
| 518 | break; | |
| 519 | } | |
| 520 | case TopAbs_EDGE : | |
| 521 | { | |
| 522 | TopoDS_Edge E2 = TopoDS::Edge(S2); | |
| 523 | Perform( V1, E2, B1, B2 ); | |
| 524 | break; | |
| 525 | } | |
| 526 | case TopAbs_FACE : | |
| 527 | { | |
| 528 | TopoDS_Face F2 = TopoDS::Face(S2); | |
| 529 | Perform( V1, F2, B1, B2 ); | |
| 530 | break; | |
| 531 | } | |
| 532 | } | |
| 533 | break; | |
| 534 | } | |
| 7fd59977 | 535 | |
| 92d1589b A |
536 | case TopAbs_EDGE : |
| 537 | { | |
| 538 | TopoDS_Edge E1 = TopoDS::Edge(S1); | |
| 539 | switch (S2.ShapeType()) | |
| 540 | { | |
| 541 | case TopAbs_VERTEX : | |
| 542 | { | |
| 543 | TopoDS_Vertex V2 = TopoDS::Vertex(S2); | |
| 544 | Perform( E1, V2, B1, B2 ); | |
| 545 | break; | |
| 546 | } | |
| 547 | case TopAbs_EDGE : | |
| 548 | { | |
| 549 | TopoDS_Edge E2 = TopoDS::Edge(S2); | |
| 550 | TopoDS_Edge aTrimEdge; | |
| 551 | Standard_Boolean bIsTrim1 = Standard_False; | |
| 552 | Standard_Boolean bIsTrim2 = Standard_False; | |
| 553 | TRIM_INFINIT_EDGE( E1, E2, aTrimEdge, bIsTrim1, bIsTrim2 ); | |
| 554 | if (bIsTrim1) | |
| 555 | E1 = aTrimEdge; | |
| 556 | if (bIsTrim2) | |
| 557 | E2 = aTrimEdge; | |
| 558 | Perform( E1, E2, B1, B2 ); | |
| 559 | break; | |
| 560 | } | |
| 561 | case TopAbs_FACE : | |
| 562 | { | |
| 563 | TopoDS_Face F2 = TopoDS::Face(S2); | |
| 564 | TopoDS_Face aTrimFace; | |
| 565 | Standard_Boolean bIsInfinit; | |
| 566 | TRIM_INFINIT_FACE( E1, F2, aTrimFace, bIsInfinit ); | |
| 567 | if (bIsInfinit) | |
| 568 | F2 = aTrimFace; | |
| 569 | Perform( E1, F2, B1, B2 ); | |
| 570 | break; | |
| 571 | } | |
| 572 | } | |
| 573 | break; | |
| 574 | } | |
| 7fd59977 | 575 | |
| 92d1589b A |
576 | case TopAbs_FACE : |
| 577 | { | |
| 578 | TopoDS_Face F1 = TopoDS::Face(S1); | |
| 579 | switch (S2.ShapeType()) | |
| 580 | { | |
| 581 | case TopAbs_VERTEX : | |
| 582 | { | |
| 583 | TopoDS_Vertex V2 = TopoDS::Vertex(S2); | |
| 584 | Perform( F1, V2, B1, B2 ); | |
| 585 | break; | |
| 586 | } | |
| 587 | case TopAbs_EDGE : | |
| 588 | { | |
| 589 | TopoDS_Edge E2 = TopoDS::Edge(S2); | |
| 590 | TopoDS_Face aTrimFace; | |
| 591 | Standard_Boolean bIsInfinit; | |
| 592 | TRIM_INFINIT_FACE( F1, E2, aTrimFace, bIsInfinit ); | |
| 593 | if (bIsInfinit) | |
| 594 | F1 = aTrimFace; | |
| 595 | Perform( F1, E2, B1, B2 ); | |
| 596 | break; | |
| 597 | } | |
| 598 | case TopAbs_FACE : | |
| 599 | { | |
| 600 | TopoDS_Face F2 = TopoDS::Face(S2); | |
| 601 | Perform( F1, F2, B1, B2 ); | |
| 602 | break; | |
| 603 | } | |
| 604 | } | |
| 605 | break; | |
| 606 | } | |
| 607 | } | |
| 7fd59977 | 608 | } |
| 609 | ||
| 610 | /*********************************************************************************/ | |
| 611 | ||
| 92d1589b A |
612 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Vertex& S1, const TopoDS_Vertex& S2) |
| 613 | { | |
| 614 | const gp_Pnt P1 = BRep_Tool::Pnt(S1); | |
| 615 | const gp_Pnt P2 = BRep_Tool::Pnt(S2); | |
| 7fd59977 | 616 | |
| 92d1589b A |
617 | const Standard_Real Dst = P1.Distance(P2); |
| 618 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 619 | { | |
| 620 | if (myDstRef > Dst) | |
| 621 | myDstRef=Dst; | |
| 622 | myModif=Standard_True; | |
| 623 | const BRepExtrema_SolutionElem Sol1(Dst,P1,BRepExtrema_IsVertex,S1); | |
| 624 | const BRepExtrema_SolutionElem Sol2(Dst,P2,BRepExtrema_IsVertex,S2); | |
| 625 | SeqSolShape1.Append(Sol1); | |
| 626 | SeqSolShape2.Append(Sol2); | |
| 627 | } | |
| 7fd59977 | 628 | } |
| 629 | ||
| 630 | /*********************************************************************************/ | |
| 631 | ||
| 92d1589b A |
632 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Vertex& S1, const TopoDS_Edge& S2, |
| 633 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 634 | { | |
| 635 | if (BRep_Tool::Degenerated(S2)) | |
| 636 | return; | |
| 7fd59977 | 637 | |
| 92d1589b A |
638 | const Standard_Real Dst=B1.Distance(B2); |
| 639 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 640 | { | |
| 641 | BRepExtrema_ExtPC Ext(S1,S2); | |
| 642 | const Standard_Integer NbExtrema = Ext.IsDone()? Ext.NbExt() : 0; | |
| 643 | if ( NbExtrema > 0 ) | |
| 644 | { | |
| 645 | // Search minimum distance Dstmin | |
| 646 | Standard_Integer i; | |
| 647 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 648 | for (i = 2; i <= NbExtrema; i++) | |
| 7fd59977 | 649 | { |
| 92d1589b A |
650 | const Standard_Real sDst = Ext.SquareDistance(i); |
| 651 | if (sDst<Dstmin) | |
| 652 | Dstmin=sDst; | |
| 7fd59977 | 653 | } |
| 92d1589b A |
654 | Dstmin = sqrt(Dstmin); |
| 655 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 656 | { | |
| 657 | Standard_Real Udeb,Ufin; | |
| 658 | BRep_Tool::Range(S2,Udeb,Ufin); | |
| 7fd59977 | 659 | |
| 92d1589b A |
660 | gp_Pnt Pt,P1=BRep_Tool::Pnt(S1); |
| 661 | const Standard_Real epsP=Precision::PConfusion(); | |
| 662 | ||
| 663 | for (i = 1; i <= NbExtrema; i++) | |
| 664 | { | |
| 665 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 666 | { | |
| 667 | Pt=Ext.Point(i); | |
| 668 | if (TRI_SOLUTION(SeqSolShape2,Pt)) | |
| 669 | { | |
| 670 | // Check if the parameter does not correspond to a vertex | |
| 671 | const Standard_Real t = Ext.Parameter(i); | |
| 672 | if ( (fabs(t-Udeb)>=epsP) && (fabs(t-Ufin)>epsP) ) | |
| 673 | { | |
| 674 | if (myDstRef > Dstmin) | |
| 675 | myDstRef=Dstmin; | |
| 676 | myModif=Standard_True; | |
| 677 | const BRepExtrema_SolutionElem Sol1(Dstmin,P1,BRepExtrema_IsVertex,S1); | |
| 678 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt,BRepExtrema_IsOnEdge,S2,t); | |
| 679 | SeqSolShape1.Append(Sol1); | |
| 680 | SeqSolShape2.Append(Sol2); | |
| 681 | } | |
| 682 | } | |
| 683 | } | |
| 684 | } | |
| 7fd59977 | 685 | } |
| 92d1589b | 686 | } |
| 7fd59977 | 687 | } |
| 688 | } | |
| 689 | ||
| 6aeb8ed1 A |
690 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Edge& S1,const TopoDS_Vertex& S2, |
| 691 | const Bnd_Box& B1,const Bnd_Box& B2) | |
| 692 | { | |
| 693 | if (BRep_Tool::Degenerated(S1)) | |
| 694 | return; | |
| 695 | ||
| 696 | const Standard_Real Dst=B1.Distance(B2); | |
| 697 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 698 | { | |
| 699 | BRepExtrema_ExtPC Ext(S2,S1); | |
| 700 | const Standard_Integer NbExtrema = Ext.IsDone()? Ext.NbExt() : 0; | |
| 701 | if ( NbExtrema > 0 ) | |
| 702 | { | |
| 703 | // Search minimum distance Dstmin | |
| 704 | Standard_Integer i; | |
| 705 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 706 | for (i = 2; i <= NbExtrema; i++) | |
| 707 | { | |
| 708 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 709 | if (sDst<Dstmin) | |
| 710 | Dstmin=sDst; | |
| 711 | } | |
| 712 | Dstmin = sqrt(Dstmin); | |
| 713 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 714 | { | |
| 715 | Standard_Real Udeb,Ufin; | |
| 716 | BRep_Tool::Range(S1,Udeb,Ufin); | |
| 717 | ||
| 718 | gp_Pnt Pt,P1=BRep_Tool::Pnt(S2); | |
| 719 | const Standard_Real epsP=Precision::PConfusion(); | |
| 720 | ||
| 721 | for (i = 1; i <= NbExtrema; i++) | |
| 722 | { | |
| 723 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 724 | { | |
| 725 | Pt=Ext.Point(i); | |
| 726 | if (TRI_SOLUTION(SeqSolShape1,Pt)) | |
| 727 | { | |
| 728 | // Check if the parameter does not correspond to a vertex | |
| 729 | const Standard_Real t = Ext.Parameter(i); | |
| 730 | if ( (fabs(t-Udeb)>=epsP) && (fabs(t-Ufin)>epsP) ) | |
| 731 | { | |
| 732 | if (myDstRef > Dstmin) | |
| 733 | myDstRef=Dstmin; | |
| 734 | myModif=Standard_True; | |
| 735 | const BRepExtrema_SolutionElem Sol1(Dstmin,P1,BRepExtrema_IsOnEdge,S1,t); | |
| 736 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt,BRepExtrema_IsVertex,S2); | |
| 737 | SeqSolShape1.Append(Sol1); | |
| 738 | SeqSolShape2.Append(Sol2); | |
| 739 | } | |
| 740 | } | |
| 741 | } | |
| 742 | } | |
| 743 | } | |
| 744 | } | |
| 745 | } | |
| 746 | } | |
| 747 | ||
| 7fd59977 | 748 | /*********************************************************************************/ |
| 749 | ||
| 92d1589b A |
750 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Vertex& S1, const TopoDS_Face& S2, |
| 751 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 7fd59977 | 752 | { |
| 92d1589b A |
753 | const Standard_Real Dst=B1.Distance(B2); |
| 754 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 7fd59977 | 755 | { |
| 92d1589b A |
756 | BRepExtrema_ExtPF Ext(S1,S2,myFlag,myAlgo); |
| 757 | const Standard_Integer NbExtrema = Ext.IsDone()? Ext.NbExt() : 0; | |
| 758 | if ( NbExtrema > 0 ) | |
| 7fd59977 | 759 | { |
| 92d1589b | 760 | // Search minimum distance Dstmin |
| 7fd59977 | 761 | Standard_Integer i; |
| 762 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 92d1589b A |
763 | for (i = 2; i <= NbExtrema; i++) |
| 764 | { | |
| 765 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 766 | if (sDst<Dstmin) | |
| 767 | Dstmin=sDst; | |
| 7fd59977 | 768 | } |
| 769 | Dstmin = sqrt(Dstmin); | |
| 92d1589b | 770 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) |
| 7fd59977 | 771 | { |
| 772 | Standard_Real U,V; | |
| 92d1589b | 773 | gp_Pnt Pt,P1=BRep_Tool::Pnt(S1); |
| 7fd59977 | 774 | BRepClass_FaceClassifier classifier; |
| 92d1589b A |
775 | const Standard_Real tol = BRep_Tool::Tolerance(S2); |
| 776 | const Standard_Real epsP = Precision::PConfusion(); | |
| 777 | ||
| 778 | for (i = 1; i <= NbExtrema; i++) | |
| 7fd59977 | 779 | { |
| 92d1589b A |
780 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) |
| 781 | { | |
| 7fd59977 | 782 | Pt=Ext.Point(i); |
| 92d1589b A |
783 | if (TRI_SOLUTION(SeqSolShape2,Pt)) |
| 784 | { | |
| 785 | // Check if the parameter does not correspond to a vertex | |
| 7fd59977 | 786 | Ext.Parameter(i,U,V); |
| 92d1589b A |
787 | const gp_Pnt2d PUV(U,V); |
| 788 | classifier.Perform(S2,PUV,tol); | |
| 7fd59977 | 789 | if (classifier.State()==TopAbs_IN) |
| 790 | { | |
| 92d1589b A |
791 | if (myDstRef > Dstmin) |
| 792 | myDstRef=Dstmin; | |
| 7fd59977 | 793 | myModif=Standard_True; |
| 92d1589b A |
794 | const BRepExtrema_SolutionElem Sol1(Dstmin,P1,BRepExtrema_IsVertex,S1); |
| 795 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt,BRepExtrema_IsInFace,S2,U,V); | |
| 7fd59977 | 796 | SeqSolShape1.Append(Sol1); |
| 92d1589b | 797 | SeqSolShape2.Append(Sol2); |
| 7fd59977 | 798 | } |
| 799 | } | |
| 800 | } | |
| 801 | } | |
| 92d1589b | 802 | } |
| 7fd59977 | 803 | } |
| 804 | } | |
| 805 | } | |
| 806 | ||
| 6aeb8ed1 A |
807 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Face& S1, const TopoDS_Vertex& S2, |
| 808 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 809 | { | |
| 810 | const Standard_Real Dst=B1.Distance(B2); | |
| 811 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 812 | { | |
| 813 | BRepExtrema_ExtPF Ext(S2,S1,myFlag,myAlgo); | |
| 814 | const Standard_Integer NbExtrema = Ext.IsDone()? Ext.NbExt() : 0; | |
| 815 | if ( NbExtrema > 0 ) | |
| 816 | { | |
| 817 | // Search minimum distance Dstmin | |
| 818 | Standard_Integer i; | |
| 819 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 820 | for (i = 2; i <= NbExtrema; i++) | |
| 821 | { | |
| 822 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 823 | if (sDst<Dstmin) | |
| 824 | Dstmin=sDst; | |
| 825 | } | |
| 826 | Dstmin = sqrt(Dstmin); | |
| 827 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 828 | { | |
| 829 | Standard_Real U,V; | |
| 830 | gp_Pnt Pt,P1=BRep_Tool::Pnt(S2); | |
| 831 | BRepClass_FaceClassifier classifier; | |
| 832 | const Standard_Real tol = BRep_Tool::Tolerance(S1); | |
| 833 | const Standard_Real epsP = Precision::PConfusion(); | |
| 834 | ||
| 835 | for (i = 1; i <= NbExtrema; i++) | |
| 836 | { | |
| 837 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 838 | { | |
| 839 | Pt=Ext.Point(i); | |
| 840 | if (TRI_SOLUTION(SeqSolShape1,Pt)) | |
| 841 | { | |
| 842 | // Check if the parameter does not correspond to a vertex | |
| 843 | Ext.Parameter(i,U,V); | |
| 844 | const gp_Pnt2d PUV(U,V); | |
| 845 | classifier.Perform(S1,PUV,tol); | |
| 846 | if (classifier.State()==TopAbs_IN) | |
| 847 | { | |
| 848 | if (myDstRef > Dstmin) | |
| 849 | myDstRef=Dstmin; | |
| 850 | myModif=Standard_True; | |
| 851 | const BRepExtrema_SolutionElem Sol1(Dstmin,P1,BRepExtrema_IsInFace,S1,U,V); | |
| 852 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt,BRepExtrema_IsVertex,S2); | |
| 853 | SeqSolShape1.Append(Sol1); | |
| 854 | SeqSolShape2.Append(Sol2); | |
| 855 | } | |
| 856 | } | |
| 857 | } | |
| 858 | } | |
| 859 | } | |
| 860 | } | |
| 861 | } | |
| 862 | } | |
| 863 | ||
| 7fd59977 | 864 | /*********************************************************************************/ |
| 865 | ||
| 92d1589b A |
866 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Edge& S1, const TopoDS_Edge& S2, |
| 867 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 7fd59977 | 868 | { |
| 92d1589b A |
869 | if (BRep_Tool::Degenerated(S1) || BRep_Tool::Degenerated(S2)) |
| 870 | return; | |
| 871 | ||
| 872 | const Standard_Real Dst=B1.Distance(B2); | |
| 873 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 7fd59977 | 874 | { |
| 92d1589b | 875 | const Standard_Real DstRef = myDstRef; |
| 7fd59977 | 876 | |
| 92d1589b A |
877 | BRepExtrema_ExtCC Ext(S1,S2); |
| 878 | const Standard_Integer NbExtrema = Ext.IsDone()? (Ext.IsParallel()? 0 : Ext.NbExt()) : 0; | |
| 879 | if ( NbExtrema > 0 ) | |
| 880 | { | |
| 881 | // Search minimum distance Dstmin | |
| 882 | Standard_Integer i; | |
| 883 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 884 | for (i = 2; i <= NbExtrema; i++) | |
| 885 | { | |
| 886 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 887 | if (sDst<Dstmin) | |
| 888 | Dstmin=sDst; | |
| 889 | } | |
| 890 | Dstmin = sqrt(Dstmin); | |
| 891 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 892 | { | |
| 893 | Standard_Real Udeb1,Ufin1,Udeb2,Ufin2; | |
| 894 | BRep_Tool::Range(S1,Udeb1,Ufin1); | |
| 895 | BRep_Tool::Range(S2,Udeb2,Ufin2); | |
| 7fd59977 | 896 | |
| 92d1589b A |
897 | gp_Pnt Pt1,Pt2; |
| 898 | const Standard_Real epsP=Precision::PConfusion(); | |
| 7fd59977 | 899 | |
| 92d1589b A |
900 | for (i=1;i<=NbExtrema;i++) |
| 901 | { | |
| 902 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 903 | { | |
| 904 | Pt1=Ext.PointOnE1(i); | |
| 905 | Pt2=Ext.PointOnE2(i); | |
| 906 | if (TRI_SOLUTION(SeqSolShape1,Pt1) || TRI_SOLUTION(SeqSolShape2,Pt2)) | |
| 907 | { | |
| 908 | // Check if the parameters do not correspond to a vertex | |
| 909 | const Standard_Real t1 = Ext.ParameterOnE1(i); | |
| 910 | const Standard_Real t2 = Ext.ParameterOnE2(i); | |
| 911 | if ((fabs(t1-Udeb1)>=epsP)&&(fabs(t1-Ufin1)>epsP)&&(fabs(t2-Udeb2)>=epsP)&&(fabs(t2-Ufin2)>epsP)) | |
| 912 | { | |
| 913 | if (myDstRef > Dstmin) | |
| 914 | myDstRef=Dstmin; | |
| 915 | myModif=Standard_True; | |
| 916 | const BRepExtrema_SolutionElem Sol1(Dstmin,Pt1,BRepExtrema_IsOnEdge,S1,t1); | |
| 917 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt2,BRepExtrema_IsOnEdge,S2,t2); | |
| 918 | SeqSolShape1.Append(Sol1); | |
| 919 | SeqSolShape2.Append(Sol2); | |
| 920 | } | |
| 921 | } | |
| 922 | } | |
| 923 | } | |
| 924 | } | |
| 925 | } | |
| 7fd59977 | 926 | |
| 92d1589b A |
927 | BRepExtrema_SeqOfSolution SeqSolution1; |
| 928 | BRepExtrema_SeqOfSolution SeqSolution2; | |
| 7fd59977 | 929 | |
| 92d1589b A |
930 | PERFORM_C0(S1, S2, SeqSolution1, SeqSolution2, DstRef, myDstRef, myEps); |
| 931 | ||
| 932 | BRepExtrema_SeqOfSolution seqSol1; | |
| 933 | BRepExtrema_SeqOfSolution seqSol2; | |
| 934 | ||
| 935 | if (SeqSolution1.Length() > 0 && SeqSolution2.Length() > 0) | |
| 936 | MIN_SOLUTION(SeqSolution1, SeqSolution2, myDstRef, myEps, seqSol1, seqSol2); | |
| 937 | ||
| 938 | if (!seqSol1.IsEmpty() && !seqSol2.IsEmpty()) | |
| 939 | { | |
| 940 | SeqSolShape1.Append(seqSol1); | |
| 941 | SeqSolShape2.Append(seqSol2); | |
| 942 | myModif = Standard_True; | |
| 943 | } | |
| 944 | } | |
| 7fd59977 | 945 | } |
| 946 | ||
| 947 | /*********************************************************************************/ | |
| 948 | ||
| 92d1589b A |
949 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Edge& S1, const TopoDS_Face& S2, |
| 950 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 7fd59977 | 951 | { |
| 92d1589b A |
952 | if (BRep_Tool::Degenerated(S1)) |
| 953 | return; | |
| 954 | ||
| 955 | const Standard_Real Dst=B1.Distance(B2); | |
| 956 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 957 | { | |
| 958 | BRepClass_FaceClassifier classifier; | |
| 7fd59977 | 959 | |
| 92d1589b A |
960 | BRepExtrema_ExtCF Ext(S1,S2); |
| 961 | const Standard_Integer NbExtrema = Ext.IsDone()? (Ext.IsParallel()? 0 : Ext.NbExt()) : 0; | |
| 962 | if ( NbExtrema > 0 ) | |
| 963 | { | |
| 964 | // Search minimum distance Dstmin | |
| 965 | Standard_Integer i; | |
| 966 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 967 | for (i = 2; i <= NbExtrema; i++) | |
| 968 | { | |
| 969 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 970 | if (sDst<Dstmin) | |
| 971 | Dstmin=sDst; | |
| 972 | } | |
| 973 | Dstmin = sqrt(Dstmin); | |
| 974 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 975 | { | |
| 976 | Standard_Real Udeb,Ufin,U,V; | |
| 977 | BRep_Tool::Range(S1,Udeb,Ufin); | |
| 978 | const Standard_Real tol=BRep_Tool::Tolerance(S2); | |
| 7fd59977 | 979 | |
| 92d1589b A |
980 | gp_Pnt Pt1,Pt2; |
| 981 | const Standard_Real epsP=Precision::PConfusion(); | |
| 982 | ||
| 983 | for (i = 1; i <= NbExtrema; i++) | |
| 984 | { | |
| 985 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 986 | { | |
| 987 | Pt1=Ext.PointOnEdge(i); | |
| 988 | Pt2=Ext.PointOnFace(i); | |
| 989 | if (TRI_SOLUTION(SeqSolShape1,Pt1) || TRI_SOLUTION(SeqSolShape2,Pt2)) | |
| 990 | { | |
| 991 | // Check if the parameter does not correspond to a vertex | |
| 992 | const Standard_Real t1 = Ext.ParameterOnEdge(i); | |
| 993 | if ((fabs(t1-Udeb)>=epsP)&&(fabs(t1-Ufin)>epsP)) | |
| 994 | { | |
| 995 | Ext.ParameterOnFace(i,U,V); | |
| 996 | const gp_Pnt2d PUV(U,V); | |
| 997 | classifier.Perform(S2,PUV,tol); | |
| 998 | if (classifier.State()==TopAbs_IN) | |
| 999 | { | |
| 1000 | if (myDstRef > Dstmin) | |
| 1001 | myDstRef=Dstmin; | |
| 1002 | myModif=Standard_True; | |
| 1003 | const BRepExtrema_SolutionElem Sol1(Dstmin,Pt1,BRepExtrema_IsOnEdge,S1,t1); | |
| 1004 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt2,BRepExtrema_IsInFace,S2,U,V); | |
| 1005 | SeqSolShape1.Append(Sol1); | |
| 1006 | SeqSolShape2.Append(Sol2); | |
| 1007 | } | |
| 1008 | } | |
| 1009 | } | |
| 1010 | } | |
| 1011 | } | |
| 1012 | } | |
| 1013 | } | |
| 1014 | ||
| 1015 | Standard_Real aFirst, aLast; | |
| 1016 | Handle(Geom_Curve) pCurv = BRep_Tool::Curve(S1, aFirst, aLast); | |
| 1017 | if (pCurv->Continuity() == GeomAbs_C0) | |
| 1018 | { | |
| 1019 | BRepExtrema_SeqOfSolution SeqSolution1; | |
| 1020 | BRepExtrema_SeqOfSolution SeqSolution2; | |
| 1021 | ||
| 1022 | GeomAdaptor_Curve aAdaptorCurve(pCurv, aFirst, aLast); | |
| 1023 | const Standard_Integer nbIntervals = aAdaptorCurve.NbIntervals(GeomAbs_C1); | |
| 1024 | ||
| 1025 | TColStd_Array1OfReal arrInter(1,1+nbIntervals); | |
| 1026 | aAdaptorCurve.Intervals(arrInter, GeomAbs_C1); | |
| 1027 | ||
| 1028 | gp_Pnt Pt; | |
| 1029 | Standard_Real U,V; | |
| 1030 | const Standard_Real tol = BRep_Tool::Tolerance(S2); | |
| 1031 | ||
| 1032 | Standard_Integer i; | |
| 1033 | for (i = 1; i <= arrInter.Length(); i++) | |
| 1034 | { | |
| 1035 | const Standard_Real aParameter = arrInter(i); | |
| 1036 | gp_Pnt aPnt = aAdaptorCurve.Value(aParameter); | |
| 1037 | TopoDS_Vertex V1 = BRepBuilderAPI_MakeVertex(aPnt); | |
| 1038 | ||
| 1039 | BRepExtrema_ExtPF ExtPF(V1,S2); | |
| 1040 | const Standard_Integer NbExtrema = ExtPF.IsDone()? ExtPF.NbExt() : 0; | |
| 1041 | if ( NbExtrema > 0 ) | |
| 1042 | { | |
| 1043 | // Search minimum distance Dstmin | |
| 1044 | Standard_Integer ii; | |
| 1045 | Standard_Real Dstmin = ExtPF.SquareDistance(1); | |
| 1046 | for (ii = 2; ii <= NbExtrema; ii++) | |
| 1047 | { | |
| 1048 | const Standard_Real sDst = ExtPF.SquareDistance(ii); | |
| 1049 | if (sDst<Dstmin) | |
| 1050 | Dstmin=sDst; | |
| 1051 | } | |
| 1052 | Dstmin = sqrt(Dstmin); | |
| 1053 | ||
| 1054 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 1055 | { | |
| 1056 | for (ii = 1; ii <= NbExtrema; ii++) | |
| 1057 | { | |
| 1058 | if (fabs(Dstmin-sqrt(ExtPF.SquareDistance(ii)))<myEps) | |
| 1059 | { | |
| 1060 | // Check if the parameter does not correspond to a vertex | |
| 1061 | ExtPF.Parameter(ii,U,V); | |
| 1062 | const gp_Pnt2d PUV(U,V); | |
| 1063 | classifier.Perform(S2,PUV,tol); | |
| 1064 | if (classifier.State()==TopAbs_IN) | |
| 1065 | { | |
| 1066 | if (myDstRef > Dstmin) | |
| 1067 | myDstRef=Dstmin; | |
| 1068 | myModif=Standard_True; | |
| 1069 | const BRepExtrema_SolutionElem Sol1(Dstmin,aPnt,BRepExtrema_IsOnEdge,S1,aParameter); | |
| 1070 | const BRepExtrema_SolutionElem Sol2(Dstmin,ExtPF.Point(ii),BRepExtrema_IsInFace,S2,U,V); | |
| 1071 | SeqSolution1.Append(Sol1); | |
| 1072 | SeqSolution2.Append(Sol2); | |
| 1073 | } | |
| 6aeb8ed1 A |
1074 | } |
| 1075 | } | |
| 1076 | } | |
| 1077 | } | |
| 1078 | } | |
| 1079 | ||
| 1080 | BRepExtrema_SeqOfSolution seqSol1; | |
| 1081 | BRepExtrema_SeqOfSolution seqSol2; | |
| 1082 | Standard_Boolean bIsMini = Standard_False; | |
| 1083 | if (SeqSolution1.Length() > 0 && SeqSolution2.Length() > 0) | |
| 1084 | MIN_SOLUTION(SeqSolution1, SeqSolution2, myDstRef, myEps, seqSol1, seqSol2); | |
| 1085 | ||
| 1086 | if (!seqSol1.IsEmpty() && !seqSol2.IsEmpty()) | |
| 1087 | { | |
| 1088 | SeqSolShape1.Append(seqSol1); | |
| 1089 | SeqSolShape2.Append(seqSol2); | |
| 1090 | } | |
| 1091 | } | |
| 1092 | } | |
| 1093 | } | |
| 1094 | ||
| 1095 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Face& S1, const TopoDS_Edge& S2, | |
| 1096 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 1097 | { | |
| 1098 | if (BRep_Tool::Degenerated(S2)) | |
| 1099 | return; | |
| 1100 | ||
| 1101 | const Standard_Real Dst=B1.Distance(B2); | |
| 1102 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 1103 | { | |
| 1104 | BRepClass_FaceClassifier classifier; | |
| 1105 | ||
| 1106 | BRepExtrema_ExtCF Ext(S2,S1); | |
| 1107 | const Standard_Integer NbExtrema = Ext.IsDone()? (Ext.IsParallel()? 0 : Ext.NbExt()) : 0; | |
| 1108 | if ( NbExtrema > 0 ) | |
| 1109 | { | |
| 1110 | // Search minimum distance Dstmin | |
| 1111 | Standard_Integer i; | |
| 1112 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 1113 | for (i = 2; i <= NbExtrema; i++) | |
| 1114 | { | |
| 1115 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 1116 | if (sDst<Dstmin) | |
| 1117 | Dstmin=sDst; | |
| 1118 | } | |
| 1119 | Dstmin = sqrt(Dstmin); | |
| 1120 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 1121 | { | |
| 1122 | Standard_Real Udeb,Ufin,U,V; | |
| 1123 | BRep_Tool::Range(S2,Udeb,Ufin); | |
| 1124 | const Standard_Real tol=BRep_Tool::Tolerance(S1); | |
| 1125 | ||
| 1126 | gp_Pnt Pt1,Pt2; | |
| 1127 | const Standard_Real epsP=Precision::PConfusion(); | |
| 1128 | ||
| 1129 | for (i = 1; i <= NbExtrema; i++) | |
| 1130 | { | |
| 1131 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 1132 | { | |
| 1133 | Pt1=Ext.PointOnEdge(i); | |
| 1134 | Pt2=Ext.PointOnFace(i); | |
| 1135 | if (TRI_SOLUTION(SeqSolShape1,Pt1) || TRI_SOLUTION(SeqSolShape2,Pt2)) | |
| 1136 | { | |
| 1137 | // Check if the parameter does not correspond to a vertex | |
| 1138 | const Standard_Real t1 = Ext.ParameterOnEdge(i); | |
| 1139 | if ((fabs(t1-Udeb)>=epsP)&&(fabs(t1-Ufin)>epsP)) | |
| 1140 | { | |
| 1141 | Ext.ParameterOnFace(i,U,V); | |
| 1142 | const gp_Pnt2d PUV(U,V); | |
| 1143 | classifier.Perform(S1,PUV,tol); | |
| 1144 | if (classifier.State()==TopAbs_IN) | |
| 1145 | { | |
| 1146 | if (myDstRef > Dstmin) | |
| 1147 | myDstRef=Dstmin; | |
| 1148 | myModif=Standard_True; | |
| 1149 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt1,BRepExtrema_IsOnEdge,S2,t1); | |
| 1150 | const BRepExtrema_SolutionElem Sol1(Dstmin,Pt2,BRepExtrema_IsInFace,S1,U,V); | |
| 1151 | SeqSolShape1.Append(Sol1); | |
| 1152 | SeqSolShape2.Append(Sol2); | |
| 1153 | } | |
| 1154 | } | |
| 1155 | } | |
| 1156 | } | |
| 1157 | } | |
| 1158 | } | |
| 1159 | } | |
| 1160 | ||
| 1161 | Standard_Real aFirst, aLast; | |
| 1162 | Handle(Geom_Curve) pCurv = BRep_Tool::Curve(S2, aFirst, aLast); | |
| 1163 | if (pCurv->Continuity() == GeomAbs_C0) | |
| 1164 | { | |
| 1165 | BRepExtrema_SeqOfSolution SeqSolution1; | |
| 1166 | BRepExtrema_SeqOfSolution SeqSolution2; | |
| 1167 | ||
| 1168 | GeomAdaptor_Curve aAdaptorCurve(pCurv, aFirst, aLast); | |
| 1169 | const Standard_Integer nbIntervals = aAdaptorCurve.NbIntervals(GeomAbs_C1); | |
| 1170 | ||
| 1171 | TColStd_Array1OfReal arrInter(1,1+nbIntervals); | |
| 1172 | aAdaptorCurve.Intervals(arrInter, GeomAbs_C1); | |
| 1173 | ||
| 1174 | gp_Pnt Pt; | |
| 1175 | Standard_Real U,V; | |
| 1176 | const Standard_Real tol = BRep_Tool::Tolerance(S1); | |
| 1177 | ||
| 1178 | Standard_Integer i; | |
| 1179 | for (i = 1; i <= arrInter.Length(); i++) | |
| 1180 | { | |
| 1181 | const Standard_Real aParameter = arrInter(i); | |
| 1182 | gp_Pnt aPnt = aAdaptorCurve.Value(aParameter); | |
| 1183 | TopoDS_Vertex V1 = BRepBuilderAPI_MakeVertex(aPnt); | |
| 1184 | ||
| 1185 | BRepExtrema_ExtPF ExtPF(V1,S1); | |
| 1186 | const Standard_Integer NbExtrema = ExtPF.IsDone()? ExtPF.NbExt() : 0; | |
| 1187 | if ( NbExtrema > 0 ) | |
| 1188 | { | |
| 1189 | // Search minimum distance Dstmin | |
| 1190 | Standard_Integer ii; | |
| 1191 | Standard_Real Dstmin = ExtPF.SquareDistance(1); | |
| 1192 | for (ii = 2; ii <= NbExtrema; ii++) | |
| 1193 | { | |
| 1194 | const Standard_Real sDst = ExtPF.SquareDistance(ii); | |
| 1195 | if (sDst<Dstmin) | |
| 1196 | Dstmin=sDst; | |
| 1197 | } | |
| 1198 | Dstmin = sqrt(Dstmin); | |
| 1199 | ||
| 1200 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 1201 | { | |
| 1202 | for (ii = 1; ii <= NbExtrema; ii++) | |
| 1203 | { | |
| 1204 | if (fabs(Dstmin-sqrt(ExtPF.SquareDistance(ii)))<myEps) | |
| 1205 | { | |
| 1206 | // Check if the parameter does not correspond to a vertex | |
| 1207 | ExtPF.Parameter(ii,U,V); | |
| 1208 | const gp_Pnt2d PUV(U,V); | |
| 1209 | classifier.Perform(S1,PUV,tol); | |
| 1210 | if (classifier.State()==TopAbs_IN) | |
| 1211 | { | |
| 1212 | if (myDstRef > Dstmin) | |
| 1213 | myDstRef=Dstmin; | |
| 1214 | myModif=Standard_True; | |
| 1215 | const BRepExtrema_SolutionElem Sol2(Dstmin,aPnt,BRepExtrema_IsOnEdge,S2,aParameter); | |
| 1216 | const BRepExtrema_SolutionElem Sol1(Dstmin,ExtPF.Point(ii),BRepExtrema_IsInFace,S1,U,V); | |
| 1217 | SeqSolution1.Append(Sol1); | |
| 1218 | SeqSolution2.Append(Sol2); | |
| 1219 | } | |
| 92d1589b A |
1220 | } |
| 1221 | } | |
| 1222 | } | |
| 1223 | } | |
| 1224 | } | |
| 1225 | ||
| 1226 | BRepExtrema_SeqOfSolution seqSol1; | |
| 1227 | BRepExtrema_SeqOfSolution seqSol2; | |
| 1228 | Standard_Boolean bIsMini = Standard_False; | |
| 1229 | if (SeqSolution1.Length() > 0 && SeqSolution2.Length() > 0) | |
| 1230 | MIN_SOLUTION(SeqSolution1, SeqSolution2, myDstRef, myEps, seqSol1, seqSol2); | |
| 1231 | ||
| 1232 | if (!seqSol1.IsEmpty() && !seqSol2.IsEmpty()) | |
| 1233 | { | |
| 1234 | SeqSolShape1.Append(seqSol1); | |
| 1235 | SeqSolShape2.Append(seqSol2); | |
| 1236 | } | |
| 1237 | } | |
| 1238 | } | |
| 7fd59977 | 1239 | } |
| 1240 | ||
| 1241 | /*********************************************************************************/ | |
| 1242 | ||
| 92d1589b A |
1243 | void BRepExtrema_DistanceSS::Perform(const TopoDS_Face& S1, const TopoDS_Face& S2, |
| 1244 | const Bnd_Box& B1, const Bnd_Box& B2) | |
| 1245 | { | |
| 1246 | const Standard_Real Dst=B1.Distance(B2); | |
| 1247 | if ((Dst < myDstRef - myEps) || (fabs(Dst-myDstRef) < myEps)) | |
| 1248 | { | |
| 1249 | BRepExtrema_ExtFF Ext(S1,S2); | |
| 1250 | const Standard_Integer NbExtrema = Ext.IsDone()? (Ext.IsParallel()? 0 : Ext.NbExt()) : 0; | |
| 1251 | if ( NbExtrema > 0 ) | |
| 1252 | { | |
| 1253 | // Search minimum distance Dstmin | |
| 1254 | Standard_Integer i; | |
| 1255 | Standard_Real Dstmin = Ext.SquareDistance(1); | |
| 1256 | for (i = 2; i <= NbExtrema; i++) | |
| 1257 | { | |
| 1258 | const Standard_Real sDst = Ext.SquareDistance(i); | |
| 1259 | if (sDst<Dstmin) | |
| 1260 | Dstmin=sDst; | |
| 1261 | } | |
| 1262 | Dstmin = sqrt(Dstmin); | |
| 1263 | if ((Dstmin < myDstRef - myEps) || (fabs(Dstmin-myDstRef) < myEps)) | |
| 1264 | { | |
| 1265 | const Standard_Real tol1=BRep_Tool::Tolerance(S1); | |
| 1266 | const Standard_Real tol2=BRep_Tool::Tolerance(S2); | |
| 1267 | ||
| 1268 | gp_Pnt Pt1,Pt2; | |
| 1269 | gp_Pnt2d PUV; | |
| 1270 | Standard_Real U1,V1,U2,V2; | |
| 1271 | BRepClass_FaceClassifier classifier; | |
| 1272 | const Standard_Real epsP=Precision::PConfusion(); | |
| 1273 | ||
| 1274 | for (i = 1; i <= NbExtrema; i++) | |
| 1275 | { | |
| 1276 | if (fabs(Dstmin-sqrt(Ext.SquareDistance(i)))<myEps) | |
| 1277 | { | |
| 1278 | Pt1=Ext.PointOnFace1(i); | |
| 1279 | Pt2=Ext.PointOnFace2(i); | |
| 1280 | if (TRI_SOLUTION(SeqSolShape1,Pt1) || TRI_SOLUTION(SeqSolShape2,Pt2)) | |
| 1281 | { | |
| 1282 | // Check if the parameter does not correspond to a vertex | |
| 1283 | Ext.ParameterOnFace1(i,U1,V1); | |
| 1284 | PUV.SetCoord(U1,V1); | |
| 1285 | classifier.Perform(S1,PUV,tol1); | |
| 1286 | if (classifier.State()==TopAbs_IN) | |
| 1287 | { | |
| 1288 | Ext.ParameterOnFace2(i,U2,V2); | |
| 1289 | PUV.SetCoord(U2,V2); | |
| 1290 | classifier.Perform(S2,PUV,tol2); | |
| 1291 | if (classifier.State()==TopAbs_IN) | |
| 1292 | { | |
| 1293 | if (myDstRef > Dstmin) | |
| 1294 | myDstRef=Dstmin; | |
| 1295 | myModif=Standard_True; | |
| 1296 | const BRepExtrema_SolutionElem Sol1(Dstmin,Pt1,BRepExtrema_IsInFace,S1,U1,V1); | |
| 1297 | const BRepExtrema_SolutionElem Sol2(Dstmin,Pt2,BRepExtrema_IsInFace,S2,U2,V2); | |
| 1298 | SeqSolShape1.Append(Sol1); | |
| 1299 | SeqSolShape2.Append(Sol2); | |
| 1300 | } | |
| 1301 | } | |
| 1302 | } | |
| 1303 | } | |
| 1304 | } | |
| 1305 | } | |
| 1306 | } | |
| 1307 | } | |
| 7fd59977 | 1308 | } |
| 1309 | ||
| 1310 | /*********************************************************************************/ |