1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 #include <Standard_Stream.hxx>
24 #include <BRepOffsetAPI_MakeFilling.hxx>
26 #include <GEOMImpl_BlockDriver.hxx>
27 #include <GEOMImpl_IBlocks.hxx>
28 #include <GEOMImpl_IBlockTrsf.hxx>
29 #include <GEOMImpl_GlueDriver.hxx>
30 #include <GEOMImpl_Types.hxx>
31 #include <GEOMImpl_ILocalOperations.hxx>
32 #include <GEOMImpl_Block6Explorer.hxx>
33 #include <GEOMImpl_IBlocksOperations.hxx>
35 #include <GEOM_Function.hxx>
37 #include <ShHealOper_Sewing.hxx>
38 #include <ShHealOper_ShapeProcess.hxx>
39 #include <GEOMAlgo_Gluer.hxx>
40 #include <BlockFix_BlockFixAPI.hxx>
42 #include "utilities.h"
44 #include <TNaming_CopyShape.hxx>
46 #include <BRepLib.hxx>
47 #include <BRep_Tool.hxx>
48 #include <BRepTools.hxx>
49 #include <BRepGProp.hxx>
50 #include <BRep_Builder.hxx>
51 #include <BRepTools_Quilt.hxx>
52 #include <BRepTools_WireExplorer.hxx>
53 #include <BRepBuilderAPI_MakeEdge.hxx>
54 #include <BRepBuilderAPI_MakeWire.hxx>
55 #include <BRepBuilderAPI_MakePolygon.hxx>
56 #include <BRepBuilderAPI_Transform.hxx>
57 #include <BRepCheck_Analyzer.hxx>
58 #include <BRepClass_FaceClassifier.hxx>
59 #include <BRepClass3d_SolidClassifier.hxx>
60 #include <BRepExtrema_ExtPF.hxx>
61 #include <BRepExtrema_DistShapeShape.hxx>
65 #include <TopoDS_Shape.hxx>
66 #include <TopoDS_Edge.hxx>
67 #include <TopoDS_Wire.hxx>
68 #include <TopoDS_Shell.hxx>
69 #include <TopoDS_Solid.hxx>
70 #include <TopoDS_Compound.hxx>
71 #include <TopoDS_Iterator.hxx>
73 #include <TopExp_Explorer.hxx>
74 #include <TopTools_MapOfShape.hxx>
75 #include <TopTools_MapIteratorOfMapOfShape.hxx>
76 #include <TopTools_Array1OfShape.hxx>
77 #include <TopTools_SequenceOfShape.hxx>
78 #include <TopTools_ListOfShape.hxx>
79 #include <TopTools_ListIteratorOfListOfShape.hxx>
80 #include <TopTools_IndexedMapOfShape.hxx>
81 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
83 #include <GProp_GProps.hxx>
88 #include <Precision.hxx>
89 #include <TColgp_Array1OfPnt.hxx>
90 #include <TColStd_Array1OfInteger.hxx>
91 #include <TColStd_IndexedDataMapOfTransientTransient.hxx>
92 #include <StdFail_NotDone.hxx>
93 #include <Standard_NullObject.hxx>
94 #include <Standard_TypeMismatch.hxx>
95 #include <Standard_ConstructionError.hxx>
97 //=======================================================================
100 //=======================================================================
101 const Standard_GUID& GEOMImpl_BlockDriver::GetID()
103 static Standard_GUID aBlockDriver("FF1BBB67-5D14-4df2-980B-3A668264EA16");
108 //=======================================================================
109 //function : GEOMImpl_BlockDriver
111 //=======================================================================
112 GEOMImpl_BlockDriver::GEOMImpl_BlockDriver()
116 //=======================================================================
119 //=======================================================================
120 Standard_Integer GEOMImpl_BlockDriver::Execute(TFunction_Logbook& log) const
122 if (Label().IsNull()) return 0;
123 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
125 Standard_Integer aType = aFunction->GetType();
130 Standard_Real prec = Precision::Confusion();
132 Standard_Integer aNbSub = 0;
133 if (aType == BLOCK_COMPOUND_GLUE) {
137 } else if (aType == BLOCK_FACE_TWO_EDGES ||
138 aType == BLOCK_TWO_FACES) {
142 } else if (aType == BLOCK_FACE_FOUR_PNT ||
143 aType == BLOCK_FACE_FOUR_EDGES) {
147 } else if (aType == BLOCK_SIX_FACES) {
155 GEOMImpl_IBlocks aCI (aFunction);
156 Handle(TColStd_HSequenceOfTransient) aShapes = aCI.GetShapes();
157 Standard_Integer nbshapes = aShapes->Length();
159 if (nbshapes != aNbSub) {
160 Standard_TypeMismatch::Raise
161 ("Number of elements for object construction does not correspond to the used constructor");
164 TopTools_Array1OfShape anArgs (1, aNbSub);
165 Standard_Integer argi;
166 for (argi = 1; argi <= aNbSub; argi++) {
167 Handle(GEOM_Function) aRef = Handle(GEOM_Function)::DownCast(aShapes->Value(argi));
168 TopoDS_Shape anArg = aRef->GetValue();
169 if (anArg.IsNull()) {
170 Standard_NullObject::Raise("Null shape is given as argument");
172 anArgs(argi) = anArg;
175 if (aType == BLOCK_FACE_FOUR_EDGES) {
177 // Make face from four edges
178 if (anArgs(1).ShapeType() != TopAbs_EDGE || anArgs(2).ShapeType() != TopAbs_EDGE ||
179 anArgs(3).ShapeType() != TopAbs_EDGE || anArgs(4).ShapeType() != TopAbs_EDGE) {
180 Standard_TypeMismatch::Raise("Shape for face construction is not an edge");
183 // count corner vertices
184 TopTools_MapOfShape aVertMap;
185 for (Standard_Integer ii = 1; ii <= 4; ii++) {
186 TopoDS_Edge anEdge = TopoDS::Edge(anArgs(ii));
187 TopoDS_Vertex V1, V2;
188 TopExp::Vertices(anEdge, V1, V2, Standard_True);
189 if (V1.IsNull() || V2.IsNull()) {
190 Standard_NullObject::Raise("Bad edge for face construction: vertex is not defined");
192 if (BRepTools::Compare(V1,V2)) {
193 Standard_ConstructionError::Raise("Edge ends are too close");
195 Standard_Boolean isCoin1 = Standard_False, isCoin2 = Standard_False;
196 TopTools_MapIteratorOfMapOfShape anIter (aVertMap);
197 for (; anIter.More(); anIter.Next()) {
198 TopoDS_Vertex V = TopoDS::Vertex(anIter.Key());
199 if (BRepTools::Compare(V,V1)) isCoin1 = Standard_True;
200 if (BRepTools::Compare(V,V2)) isCoin2 = Standard_True;
202 if (!isCoin1) aVertMap.Add(V1);
203 if (!isCoin2) aVertMap.Add(V2);
205 if (aVertMap.Extent() != 4) {
206 Standard_ConstructionError::Raise("The edges must form a closed wire");
209 TopoDS_Edge anEdge1 = TopoDS::Edge(anArgs(1));
210 TopoDS_Edge anEdge2 = TopoDS::Edge(anArgs(2));
211 TopoDS_Edge anEdge3 = TopoDS::Edge(anArgs(3));
212 TopoDS_Edge anEdge4 = TopoDS::Edge(anArgs(4));
214 // check, if anEdge1 has common/coincident vertex with anEdge2,
215 Standard_Boolean isConnected12 = Standard_False;
216 TopoDS_Vertex V11, V12, V21, V22;
217 TopExp::Vertices(anEdge1, V11, V12, Standard_True);
218 TopExp::Vertices(anEdge2, V21, V22, Standard_True);
219 if (BRepTools::Compare(V11,V21) || BRepTools::Compare(V11,V22) ||
220 BRepTools::Compare(V12,V21) || BRepTools::Compare(V12,V22)) {
221 // the edges have common vertex
222 isConnected12 = Standard_True;
225 // build wire in right order, corresponding to edges connexity
226 BRepBuilderAPI_MakeWire* MW;
228 MW = new BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3, anEdge4);
230 MW = new BRepBuilderAPI_MakeWire(anEdge1, anEdge3, anEdge2, anEdge4);
233 Standard_ConstructionError::Raise
234 ("Impossible to build a connected wire from the given edges");
236 TopoDS_Wire aWire = *MW;
238 if (!aWire.Closed()) {
239 Standard_ConstructionError::Raise
240 ("Impossible to build a closed wire from the given edges");
243 // try to build face on the wire
244 GEOMImpl_Block6Explorer::MakeFace(aWire, Standard_False, aShape);
245 if (aShape.IsNull()) {
246 Standard_ConstructionError::Raise("Face construction failed");
249 } else if (aType == BLOCK_FACE_TWO_EDGES) {
251 // Make face from two opposite edges
252 if (anArgs(1).ShapeType() != TopAbs_EDGE ||
253 anArgs(2).ShapeType() != TopAbs_EDGE) {
254 Standard_TypeMismatch::Raise("Shape for face construction is not an edge");
257 TopoDS_Edge anEdge1 = TopoDS::Edge(anArgs(1));
258 TopoDS_Edge anEdge2 = TopoDS::Edge(anArgs(2));
260 if (anEdge1.IsSame(anEdge2)) {
261 Standard_ConstructionError::Raise("The edges must be different");
264 // create two edges, linking ends of the given edges
265 TopoDS_Vertex V11, V12, V21, V22;
266 TopExp::Vertices(anEdge1, V11, V12, Standard_True);
267 TopExp::Vertices(anEdge2, V21, V22, Standard_True);
268 if (V11.IsNull() || V12.IsNull() ||
269 V21.IsNull() || V22.IsNull()) {
270 Standard_NullObject::Raise("Bad edge for face construction: vertex is not defined");
272 gp_Pnt P11 = BRep_Tool::Pnt(V11);
273 gp_Pnt P12 = BRep_Tool::Pnt(V12);
274 gp_Pnt P21 = BRep_Tool::Pnt(V21);
275 gp_Pnt P22 = BRep_Tool::Pnt(V22);
277 if (P11.Distance(P21) < prec || P12.Distance(P22) < prec ||
278 P11.Distance(P22) < prec || P12.Distance(P21) < prec) {
279 Standard_ConstructionError::Raise("Given edges have too close ends");
282 Standard_Real per11 = P11.Distance(P21) + P12.Distance(P22);
283 Standard_Real per12 = P11.Distance(P22) + P12.Distance(P21);
288 anEdge3 = BRepBuilderAPI_MakeEdge(V11, V21);
289 anEdge4 = BRepBuilderAPI_MakeEdge(V12, V22);
291 anEdge3 = BRepBuilderAPI_MakeEdge(V11, V22);
292 anEdge4 = BRepBuilderAPI_MakeEdge(V12, V21);
296 BRepBuilderAPI_MakeWire MW (anEdge1, anEdge3, anEdge2, anEdge4);
298 Standard_ConstructionError::Raise("Wire construction failed");
301 // try to build face on the wire
302 GEOMImpl_Block6Explorer::MakeFace(MW, Standard_False, aShape);
303 if (aShape.IsNull()) {
304 Standard_ConstructionError::Raise("Face construction failed");
307 } else if (aType == BLOCK_FACE_FOUR_PNT) {
309 // Make face from four corner vertices
310 if (anArgs(1).ShapeType() != TopAbs_VERTEX ||
311 anArgs(2).ShapeType() != TopAbs_VERTEX ||
312 anArgs(3).ShapeType() != TopAbs_VERTEX ||
313 anArgs(4).ShapeType() != TopAbs_VERTEX) {
314 Standard_TypeMismatch::Raise("Shape for face construction is not a vertex");
317 TopoDS_Vertex V1 = TopoDS::Vertex(anArgs(1));
318 TopoDS_Vertex V2 = TopoDS::Vertex(anArgs(2));
319 TopoDS_Vertex V3 = TopoDS::Vertex(anArgs(3));
320 TopoDS_Vertex V4 = TopoDS::Vertex(anArgs(4));
322 gp_Pnt P1 = BRep_Tool::Pnt(V1);
323 gp_Pnt P2 = BRep_Tool::Pnt(V2);
324 gp_Pnt P3 = BRep_Tool::Pnt(V3);
325 gp_Pnt P4 = BRep_Tool::Pnt(V4);
327 if (P1.Distance(P2) < prec || P1.Distance(P3) < prec ||
328 P1.Distance(P4) < prec || P2.Distance(P3) < prec ||
329 P2.Distance(P4) < prec || P3.Distance(P4) < prec) {
330 Standard_ConstructionError::Raise("Four not coincident points must be given");
333 // calculate perimeters
334 Standard_Real per1234 = P1.Distance(P2) + P2.Distance(P3) +
335 P3.Distance(P4) + P4.Distance(P1);
336 Standard_Real per1243 = P1.Distance(P2) + P2.Distance(P4) +
337 P4.Distance(P3) + P3.Distance(P1);
338 Standard_Real per1324 = P1.Distance(P3) + P3.Distance(P2) +
339 P2.Distance(P4) + P4.Distance(P1);
342 if (per1243 < per1234 && per1243 < per1324) {
343 TopoDS_Vertex Vtmp = V3;
346 } else if (per1324 < per1234 && per1324 < per1243) {
347 TopoDS_Vertex Vtmp = V3;
354 BRepBuilderAPI_MakePolygon aMkPoly (V1, V2, V3, V4, Standard_True);
355 if (!aMkPoly.IsDone()) {
356 Standard_ConstructionError::Raise("Polygon construction failed");
359 // try to build face on the wire
360 GEOMImpl_Block6Explorer::MakeFace(aMkPoly, Standard_False, aShape);
361 if (aShape.IsNull()) {
362 Standard_ConstructionError::Raise("Face construction failed");
365 } else if (aType == BLOCK_SIX_FACES || aType == BLOCK_TWO_FACES) {
367 BRepTools_Quilt Glue;
369 if (aType == BLOCK_SIX_FACES) {
371 // Make block (hexahedral solid) from six faces
372 for (Standard_Integer ind = 1; ind <= nbshapes; ind++) {
373 if (anArgs(ind).ShapeType() != TopAbs_FACE) {
374 Standard_TypeMismatch::Raise("Shape for block construction is not a face");
376 Glue.Add(anArgs(ind));
381 // Make block (hexahedral solid) from two opposite faces
382 if (anArgs(1).ShapeType() != TopAbs_FACE ||
383 anArgs(2).ShapeType() != TopAbs_FACE) {
384 Standard_TypeMismatch::Raise("Shape for block construction is not a face");
387 // Get wires of the given faces
388 TopExp_Explorer wires1 (anArgs(1), TopAbs_WIRE);
389 TopExp_Explorer wires2 (anArgs(2), TopAbs_WIRE);
390 if (!wires1.More() || !wires2.More()) {
391 Standard_ConstructionError::Raise("A face for the block has no wires");
393 TopoDS_Shape aWire1 = wires1.Current();
394 TopoDS_Shape aWire2 = wires2.Current();
397 if (wires1.More() || wires2.More()) {
398 Standard_ConstructionError::Raise("A face for the block has more than one wire");
401 GEOMImpl_Block6Explorer aBlockTool;
402 aBlockTool.InitByTwoFaces(anArgs(1), anArgs(2));
404 // Construct the linking faces and add them in the gluing tool
406 Glue.Add(aBlockTool.GetFace(3, Standard_True));
407 Glue.Add(aBlockTool.GetFace(4, Standard_True));
408 Glue.Add(aBlockTool.GetFace(5, Standard_True));
409 Glue.Add(aBlockTool.GetFace(6, Standard_True));
413 TopExp_Explorer exp (Glue.Shells(), TopAbs_SHELL);
414 Standard_Integer ish = 0;
415 TopTools_MapOfShape mapShape;
416 for (; exp.More(); exp.Next()) {
417 if (mapShape.Add(exp.Current())) {
418 aShape = exp.Current();
424 aShape = Glue.Shells();
425 Standard_Real aTol = prec; // Precision::Confusion()
426 TopExp_Explorer expF (aShape, TopAbs_FACE);
427 TopTools_MapOfShape mapF;
430 for (; expF.More(); expF.Next()) {
431 if (mapF.Add(expF.Current())) {
432 B.Add(Shell, expF.Current());
433 Standard_Real aToler = BRep_Tool::Tolerance(TopoDS::Face(expF.Current()));
438 ShHealOper_Sewing aHealer (Shell, aTol);
439 if (aHealer.Perform())
440 aShape = aHealer.GetResultShape();
442 Standard_ConstructionError::Raise
443 ("Impossible to build a connected shell on the given faces");
446 if (aType == BLOCK_SIX_FACES) {
447 if (!aShape.Closed()) {
448 Standard_ConstructionError::Raise
449 ("Impossible to build a closed shell on the given faces");
456 BRepClass3d_SolidClassifier SC (Sol);
457 SC.PerformInfinitePoint(prec);
458 if (SC.State() == TopAbs_IN) {
460 B.Add(Sol, aShape.Reversed());
463 BRepLib::SameParameter(aShape, 1.E-5, Standard_True);
465 } else if (aType == BLOCK_COMPOUND_GLUE) {
467 // Make blocks compound from a compound
468 if (anArgs(1).ShapeType() != TopAbs_COMPOUND &&
469 anArgs(2).ShapeType() != TopAbs_COMPSOLID) {
470 Standard_TypeMismatch::Raise("Not a compound given");
473 TopoDS_Shape aCompound = anArgs(1);
475 // Glue coincident faces and edges (with Partition algorithm).
476 //NMTAlgo_Splitter1 PS;
477 //PS.AddShape(aCompound);
479 //PS.SetRemoveWebs(Standard_False);
480 // PS.Build(aCompound.ShapeType());
481 //PS.Build(TopAbs_SOLID);
482 //aShape = PS.Shape();
484 GEOMAlgo_Gluer aGluer;
485 aGluer.SetShape(aCompound);
486 aGluer.SetCheckGeometry(Standard_True);
488 aShape = aGluer.Result();
494 } else { // Multi-transformations and compound improving
496 if (aType == BLOCK_REMOVE_EXTRA ||
497 aType == BLOCK_COMPOUND_IMPROVE) {
499 GEOMImpl_IBlockTrsf aCI (aFunction);
500 Handle(GEOM_Function) aRefShape = aCI.GetOriginal();
501 TopoDS_Shape aBlockOrComp = aRefShape->GetValue();
502 if (aBlockOrComp.IsNull()) {
503 Standard_NullObject::Raise("Null Shape given");
506 // 1. Improve solids with seam and/or degenerated edges
507 BlockFix_BlockFixAPI aTool;
508 //aTool.Tolerance() = toler;
509 aTool.OptimumNbFaces() = aCI.GetOptimumNbFaces();
510 aTool.SetShape(aBlockOrComp);
513 TopoDS_Shape aFixedExtra = aTool.Shape();
516 BRepCheck_Analyzer ana (aFixedExtra, false);
517 if (!ana.IsValid()) {
519 ShHealOper_ShapeProcess aHealer;
520 aHealer.Perform(aFixedExtra, aFixed);
521 if (aHealer.isDone())
522 aFixedExtra = aFixed;
525 if (aType == BLOCK_REMOVE_EXTRA)
527 aShape = aFixedExtra;
529 if (aShape == aBlockOrComp) {
530 MESSAGE("No modifications have been done");
533 else // aType == BLOCK_COMPOUND_IMPROVE
535 // 2. Separate non-blocks
536 TopTools_ListOfShape BLO; // All blocks from the given compound
537 TopTools_ListOfShape NOT; // Not blocks
538 TopTools_ListOfShape EXT; // Hexahedral solids, having degenerated and/or seam edges
539 GEOMImpl_IBlocksOperations::AddBlocksFrom(aFixedExtra, BLO, NOT, EXT);
541 if (NOT.Extent() > 0) {
542 MESSAGE("Some non-blocks have been removed");
545 // 3. Warn about staying extra-edges
546 if (EXT.Extent() > 0) {
547 MESSAGE("Warning: Not all seam or degenerated edges was removed");
550 // ??? Throw away standalone blocks ???
552 // 4. Create compound of all blocks
553 TopoDS_Compound aComp;
555 BB.MakeCompound(aComp);
556 TopTools_ListIteratorOfListOfShape BLOit (BLO);
557 for (; BLOit.More(); BLOit.Next()) {
558 BB.Add(aComp, BLOit.Value());
562 aShape = GEOMImpl_GlueDriver::GlueFaces(aComp, Precision::Confusion(), Standard_False);
565 } else if (aType == BLOCK_MULTI_TRANSFORM_1D ||
566 aType == BLOCK_MULTI_TRANSFORM_2D) {
569 GEOMImpl_IBlockTrsf aCI (aFunction);
570 Handle(GEOM_Function) aRefShape = aCI.GetOriginal();
571 TopoDS_Shape aBlockIni = aRefShape->GetValue();
572 if (aBlockIni.IsNull()) {
573 Standard_NullObject::Raise("Null Block");
576 // Copy block to avoid problems (PAL6706)
577 TColStd_IndexedDataMapOfTransientTransient aMap;
579 TNaming_CopyShape::CopyTool(aBlockIni, aMap, aBlock);
581 // Block tolerance in vertices
582 Standard_Real aTol = prec;
583 TopExp_Explorer expV (aBlock, TopAbs_VERTEX);
584 TopTools_MapOfShape mapShape;
585 for (; expV.More(); expV.Next()) {
586 if (mapShape.Add(expV.Current())) {
587 TopoDS_Vertex aV = TopoDS::Vertex(expV.Current());
588 aTol = Max(BRep_Tool::Tolerance(aV), aTol);
592 if (aType == BLOCK_MULTI_TRANSFORM_1D) {
593 // Retrieve a faces by Ids
594 Standard_Integer aFace1Id = aCI.GetFace1U();
595 Standard_Integer aFace2Id = aCI.GetFace2U();
596 TopoDS_Shape aFace1, aFace2;
597 if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1Id, aFace1)) {
598 Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
600 if (aFace1.ShapeType() != TopAbs_FACE) {
601 Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
605 if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2Id, aFace2)) {
606 Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
608 if (aFace2.ShapeType() != TopAbs_FACE) {
609 Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
613 Standard_Integer aNbIter = aCI.GetNbIterU();
615 MultiTransformate1D(aBlock, aFace1, aFace2, aNbIter, aMulti);
617 } else { // aType == BLOCK_MULTI_TRANSFORM_2D
618 // Retrieve a faces by Ids
619 Standard_Integer aFace1UId = aCI.GetFace1U();
620 Standard_Integer aFace2UId = aCI.GetFace2U();
621 Standard_Integer aFace1VId = aCI.GetFace1V();
622 Standard_Integer aFace2VId = aCI.GetFace2V();
624 TopoDS_Shape aFace1U, aFace2U, aFace1V, aFace2V;
625 if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1UId, aFace1U) ||
626 !GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace1VId, aFace1V)) {
627 Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
630 if (aFace1U.ShapeType() != TopAbs_FACE ||
631 aFace1V.ShapeType() != TopAbs_FACE) {
632 Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
636 if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2UId, aFace2U)) {
637 Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
640 if (aFace2U.ShapeType() != TopAbs_FACE) {
641 Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
646 if (!GEOMImpl_ILocalOperations::GetSubShape(aBlock, aFace2VId, aFace2V)) {
647 Standard_NullObject::Raise("Can not retrieve a sub-shape with given Id");
650 if (aFace2V.ShapeType() != TopAbs_FACE) {
651 Standard_TypeMismatch::Raise("Sub-shape with given Id is not a face");
655 Standard_Integer aNbIterU = aCI.GetNbIterU();
656 Standard_Integer aNbIterV = aCI.GetNbIterV();
658 MultiTransformate2D(aBlock,
659 aFace1U, aFace2U, aNbIterU,
660 aFace1V, aFace2V, aNbIterV, aMulti);
663 if (aMulti.IsNull()) {
664 StdFail_NotDone::Raise("Multi-transformation failed");
667 // Glue faces of the multi-block
668 aShape = GEOMImpl_GlueDriver::GlueFaces(aMulti, aTol, Standard_False);
670 } else { // unknown function type
675 if (aShape.IsNull()) return 0;
677 aFunction->SetValue(aShape);
679 log.SetTouched(Label());
684 //=======================================================================
685 //function : MultiTransformate1D
687 //=======================================================================
688 void GEOMImpl_BlockDriver::MultiTransformate1D (const TopoDS_Shape& theBlock,
689 const TopoDS_Shape& theFace1,
690 const TopoDS_Shape& theFace2,
691 const Standard_Integer theNbIter,
692 TopoDS_Shape& theResult) const
694 // Construct Tool, where <theFace1> will be the first face,
695 // and a face, opposite to <theFace1>, will be the second face
696 GEOMImpl_Block6Explorer aBlockTool;
697 aBlockTool.InitByBlockAndFace(theBlock, theFace1);
699 // Find IDs of the faces
700 Standard_Integer dir_face1 = 1, dir_face2 = 2;
701 if (!theFace2.IsNull()) {
702 dir_face2 = aBlockTool.GetFaceID(theFace2);
705 // Find three pairs of points
706 Standard_Integer v11_id = 0, v12_id = 0, v13_id = 0; // vertices of the first face
707 Standard_Integer v21_id = 0, v22_id = 0, v23_id = 0; // vertices of the second face
709 if (dir_face2 == 2) { // <theFace2> is opposite to <theFace1>
711 // We will take vertices with equal local numbers on the faces,
712 // as the Block6Explorer gives equal local numbers
713 // to the linked vertices on the opposite faces,
714 // i.e. v1* is linked with the v2* by an edge:
718 // / | / | dir_face1 - bottom
720 // /________ / | dir_face2 - top
729 v11_id = aBlockTool.GetVertexID(dir_face1, 1);
730 v12_id = aBlockTool.GetVertexID(dir_face1, 2);
731 v13_id = aBlockTool.GetVertexID(dir_face1, 4);
733 v21_id = aBlockTool.GetVertexID(dir_face2, 1);
734 v22_id = aBlockTool.GetVertexID(dir_face2, 2);
735 v23_id = aBlockTool.GetVertexID(dir_face2, 4);
741 // / | / | dir_face1 - bottom
743 // /________ / | dir_face2 - right (for example)
746 // | / | /v12 = v22 (common_vertex2)
750 // v13 v11 = v21 (common_vertex1)
752 Standard_Integer common_edge_id = aBlockTool.FindCommonEdgeID(dir_face1, dir_face2);
753 Standard_Integer common_vertex1 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 1);
754 Standard_Integer common_vertex2 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 2);
756 Standard_Integer not_common_v1 = 0;
757 Standard_Integer vid = 1;
758 Standard_Boolean isFound = Standard_False;
759 while (!isFound && vid <= 4) {
760 not_common_v1 = aBlockTool.GetVertexID(dir_face1, vid);
761 isFound = (not_common_v1 != common_vertex2 &&
762 aBlockTool.FindEdgeID(not_common_v1, common_vertex1) != 0);
766 Standard_Integer not_common_v2 = 0;
768 isFound = Standard_False;
769 while (!isFound && vid <= 4) {
770 not_common_v2 = aBlockTool.GetVertexID(dir_face2, vid);
771 isFound = (not_common_v2 != common_vertex2 &&
772 aBlockTool.FindEdgeID(not_common_v2, common_vertex1) != 0);
776 v11_id = common_vertex1;
777 v12_id = common_vertex2;
778 v13_id = not_common_v1;
780 v21_id = common_vertex1;
781 v22_id = common_vertex2;
782 v23_id = not_common_v2;
785 // Construct a transformation operator
786 TopoDS_Vertex V11 = TopoDS::Vertex(aBlockTool.GetVertex(v11_id));
787 TopoDS_Vertex V12 = TopoDS::Vertex(aBlockTool.GetVertex(v12_id));
788 TopoDS_Vertex V13 = TopoDS::Vertex(aBlockTool.GetVertex(v13_id));
790 TopoDS_Vertex V21 = TopoDS::Vertex(aBlockTool.GetVertex(v21_id));
791 TopoDS_Vertex V22 = TopoDS::Vertex(aBlockTool.GetVertex(v22_id));
792 TopoDS_Vertex V23 = TopoDS::Vertex(aBlockTool.GetVertex(v23_id));
794 // Axes of the first direction face
795 gp_Pnt P1 = BRep_Tool::Pnt(V11);
796 gp_Vec VecN1 (P1, BRep_Tool::Pnt(V12));
797 gp_Vec VecX1 (P1, BRep_Tool::Pnt(V13));
798 gp_Ax3 Ax1 (P1, VecN1, VecX1);
800 // Axes of the second direction face
801 gp_Pnt P2 = BRep_Tool::Pnt(V21);
802 gp_Vec VecN2 (P2, BRep_Tool::Pnt(V22));
803 gp_Vec VecX2 (P2, BRep_Tool::Pnt(V23));
804 gp_Ax3 Ax2 (P2, VecN2, VecX2);
807 aTrsf.SetDisplacement(Ax1, Ax2);
809 // Check, that <theFace2> is similar to <theFace1>.
810 // Actually, we need only to check right position of one
811 // vertex, not involved into the transformation construction.
812 if (!aBlockTool.IsSimilarFaces(dir_face1, dir_face2, aTrsf)) {
813 Standard_ConstructionError::Raise("The direction faces are not similar");
816 // Perform multi-transformation
817 TopoDS_Compound aCompound;
819 B.MakeCompound(aCompound);
821 TopoDS_Shape aPrevShape = theBlock;
822 for (Standard_Integer i = 0; i < theNbIter; i++) {
823 B.Add(aCompound, aPrevShape);
824 BRepBuilderAPI_Transform aTransformation (aPrevShape, aTrsf, Standard_False);
825 aPrevShape = aTransformation.Shape();
827 theResult = aCompound;
830 //=======================================================================
831 //function : MultiTransformate2D
833 //=======================================================================
834 void GEOMImpl_BlockDriver::MultiTransformate2D (const TopoDS_Shape& theBlock,
835 const TopoDS_Shape& theFace1U,
836 const TopoDS_Shape& theFace2U,
837 const Standard_Integer theNbIterU,
838 const TopoDS_Shape& theFace1V,
839 const TopoDS_Shape& theFace2V,
840 const Standard_Integer theNbIterV,
841 TopoDS_Shape& theResult) const
843 // Construct Tool, where <theFace1U> will be the first face,
844 // and a face, opposite to <theFace1U>, will be the second face
845 GEOMImpl_Block6Explorer aBlockTool;
846 aBlockTool.InitByBlockAndFace(theBlock, theFace1U);
848 gp_Trsf aTrsfU, aTrsfV;
850 for (Standard_Integer uv = 1; uv <= 2; uv++) {
852 TopoDS_Shape theFace1 = theFace1U;
853 TopoDS_Shape theFace2 = theFace2U;
856 theFace1 = theFace1V;
857 theFace2 = theFace2V;
860 // Find IDs of the faces
861 Standard_Integer dir_face1 = aBlockTool.GetFaceID(theFace1);
862 Standard_Integer dir_face2 = 0;
863 Standard_Integer opp_face1 = aBlockTool.GetOppositeFaceID(dir_face1);
864 if (theFace2.IsNull()) {
865 dir_face2 = opp_face1;
867 dir_face2 = aBlockTool.GetFaceID(theFace2);
870 // Find three pairs of points
871 Standard_Integer v11_id = 0, v12_id = 0, v13_id = 0; // vertices of the first face
872 Standard_Integer v21_id = 0, v22_id = 0, v23_id = 0; // vertices of the second face
874 if (dir_face2 == opp_face1) { // <theFace2> is opposite to <theFace1>
876 // We will take vertices with equal local numbers on the faces,
877 // as the Block6Explorer gives equal local numbers
878 // to the linked vertices on the opposite faces,
879 // i.e. v1* is linked with the v2* by an edge:
881 v11_id = aBlockTool.GetVertexID(dir_face1, 1);
882 v12_id = aBlockTool.GetVertexID(dir_face1, 2);
883 v13_id = aBlockTool.GetVertexID(dir_face1, 4);
885 v21_id = aBlockTool.GetVertexID(dir_face2, 1);
886 v22_id = aBlockTool.GetVertexID(dir_face2, 2);
887 v23_id = aBlockTool.GetVertexID(dir_face2, 4);
891 Standard_Integer common_edge_id = aBlockTool.FindCommonEdgeID(dir_face1, dir_face2);
892 Standard_Integer common_vertex1 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 1);
893 Standard_Integer common_vertex2 = aBlockTool.GetVertexOnEdgeID(common_edge_id, 2);
895 Standard_Integer not_common_v1 = 0;
896 Standard_Integer vid = 1;
897 Standard_Boolean isFound = Standard_False;
898 while (!isFound && vid <= 4) {
899 not_common_v1 = aBlockTool.GetVertexID(dir_face1, vid);
900 isFound = (not_common_v1 != common_vertex2 &&
901 aBlockTool.FindEdgeID(not_common_v1, common_vertex1) != 0);
905 Standard_Integer not_common_v2 = 0;
907 isFound = Standard_False;
908 while (!isFound && vid <= 4) {
909 not_common_v2 = aBlockTool.GetVertexID(dir_face2, vid);
910 isFound = (not_common_v2 != common_vertex2 &&
911 aBlockTool.FindEdgeID(not_common_v2, common_vertex1) != 0);
915 v11_id = common_vertex1;
916 v12_id = common_vertex2;
917 v13_id = not_common_v1;
919 v21_id = common_vertex1;
920 v22_id = common_vertex2;
921 v23_id = not_common_v2;
924 // Construct a transformation operator
925 TopoDS_Vertex V11 = TopoDS::Vertex(aBlockTool.GetVertex(v11_id));
926 TopoDS_Vertex V12 = TopoDS::Vertex(aBlockTool.GetVertex(v12_id));
927 TopoDS_Vertex V13 = TopoDS::Vertex(aBlockTool.GetVertex(v13_id));
929 TopoDS_Vertex V21 = TopoDS::Vertex(aBlockTool.GetVertex(v21_id));
930 TopoDS_Vertex V22 = TopoDS::Vertex(aBlockTool.GetVertex(v22_id));
931 TopoDS_Vertex V23 = TopoDS::Vertex(aBlockTool.GetVertex(v23_id));
933 // Axes of the first direction face
934 gp_Pnt P1 = BRep_Tool::Pnt(V11);
935 gp_Vec VecN1 (P1, BRep_Tool::Pnt(V12));
936 gp_Vec VecX1 (P1, BRep_Tool::Pnt(V13));
937 gp_Ax3 Ax1 (P1, VecN1, VecX1);
939 // Axes of the second direction face
940 gp_Pnt P2 = BRep_Tool::Pnt(V21);
941 gp_Vec VecN2 (P2, BRep_Tool::Pnt(V22));
942 gp_Vec VecX2 (P2, BRep_Tool::Pnt(V23));
943 gp_Ax3 Ax2 (P2, VecN2, VecX2);
946 aTrsf.SetDisplacement(Ax1, Ax2);
955 // Check, that <theFace2> is similar to <theFace1>.
956 // Actually, we need only to check right position of one
957 // vertex, not involved into the transformation construction.
958 if (!aBlockTool.IsSimilarFaces(dir_face1, dir_face2, aTrsf)) {
959 Standard_ConstructionError::Raise("The direction faces are not similar");
963 // Perform multi-transformation
964 TopoDS_Compound aCompound;
966 B.MakeCompound(aCompound);
968 TopoDS_Shape aPrevShapeU = theBlock;
969 for (int i = 0; i < theNbIterU; i++) {
970 TopoDS_Shape aPrevShapeV = aPrevShapeU;
971 for (int j = 0; j < theNbIterV; j++) {
972 B.Add(aCompound, aPrevShapeV);
973 BRepBuilderAPI_Transform aTransformationV (aPrevShapeV, aTrsfV, Standard_False);
974 aPrevShapeV = aTransformationV.Shape();
976 BRepBuilderAPI_Transform aTransformationU (aPrevShapeU, aTrsfU, Standard_False);
977 aPrevShapeU = aTransformationU.Shape();
978 // Correction of the second transformation according to the first transformation
979 Ax1V.Transform(aTrsfU);
980 Ax2V.Transform(aTrsfU);
981 aTrsfV.SetDisplacement(Ax1V, Ax2V);
984 theResult = aCompound;
987 //=======================================================================
988 //function : GEOMImpl_BlockDriver_Type_
990 //=======================================================================
991 Standard_EXPORT Handle_Standard_Type& GEOMImpl_BlockDriver_Type_()
994 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
995 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
996 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
997 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
998 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
999 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
1002 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
1003 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_BlockDriver",
1004 sizeof(GEOMImpl_BlockDriver),
1006 (Standard_Address)_Ancestors,
1007 (Standard_Address)NULL);
1012 //=======================================================================
1013 //function : DownCast
1015 //=======================================================================
1016 const Handle(GEOMImpl_BlockDriver) Handle(GEOMImpl_BlockDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
1018 Handle(GEOMImpl_BlockDriver) _anOtherObject;
1020 if (!AnObject.IsNull()) {
1021 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_BlockDriver))) {
1022 _anOtherObject = Handle(GEOMImpl_BlockDriver)((Handle(GEOMImpl_BlockDriver)&)AnObject);
1026 return _anOtherObject ;