1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "GeomAlgoAPI_ShapeTools.h"
22 #include "GeomAlgoAPI_SketchBuilder.h"
24 #include <GeomAPI_Ax1.h>
25 #include <GeomAPI_Edge.h>
26 #include <GeomAPI_Dir.h>
27 #include <GeomAPI_Face.h>
28 #include <GeomAPI_Pln.h>
29 #include <GeomAPI_Pnt.h>
30 #include <GeomAPI_Wire.h>
32 #include <Bnd_Box.hxx>
34 #include <BRep_Tool.hxx>
35 #include <BRep_Builder.hxx>
36 #include <BRepAlgo.hxx>
37 #include <BRepAlgo_FaceRestrictor.hxx>
38 #include <BRepAdaptor_Curve.hxx>
39 #include <BRepBndLib.hxx>
40 #include <BRepBuilderAPI_FindPlane.hxx>
41 #include <BRepBuilderAPI_MakeEdge.hxx>
42 #include <BRepBuilderAPI_MakeFace.hxx>
43 #include <BRepBuilderAPI_MakeVertex.hxx>
44 #include <BRepCheck_Analyzer.hxx>
45 #include <BRepExtrema_DistShapeShape.hxx>
46 #include <BRepExtrema_ExtCF.hxx>
47 #include <BRepGProp.hxx>
48 #include <BRepTools.hxx>
49 #include <BRepTools_WireExplorer.hxx>
50 #include <BRepTopAdaptor_FClass2d.hxx>
51 #include <BRepClass_FaceClassifier.hxx>
52 #include <BRepLib_CheckCurveOnSurface.hxx>
54 #include <BOPAlgo_Builder.hxx>
56 #include <Geom2d_Curve.hxx>
57 #include <Geom2d_Curve.hxx>
59 #include <Geom_CylindricalSurface.hxx>
60 #include <Geom_Line.hxx>
61 #include <Geom_Plane.hxx>
62 #include <Geom_RectangularTrimmedSurface.hxx>
64 #include <GeomAPI_ProjectPointOnCurve.hxx>
65 #include <GeomAPI_ShapeIterator.h>
67 #include <GeomLib_IsPlanarSurface.hxx>
68 #include <GeomLib_Tool.hxx>
69 #include <GeomAPI_IntCS.hxx>
72 #include <GProp_GProps.hxx>
74 #include <IntAna_IntConicQuad.hxx>
75 #include <IntAna_Quadric.hxx>
77 #include <ShapeAnalysis.hxx>
78 #include <ShapeAnalysis_Surface.hxx>
81 #include <TopoDS_Edge.hxx>
82 #include <TopoDS_Face.hxx>
83 #include <TopoDS_Shape.hxx>
84 #include <TopoDS_Shell.hxx>
85 #include <TopoDS_Vertex.hxx>
86 #include <TopoDS_Builder.hxx>
89 #include <TopExp_Explorer.hxx>
91 #include <TopTools_ListIteratorOfListOfShape.hxx>
93 #include <NCollection_Vector.hxx>
95 //==================================================================================================
96 static GProp_GProps props(const TopoDS_Shape& theShape)
100 if (theShape.ShapeType() == TopAbs_EDGE || theShape.ShapeType() == TopAbs_WIRE)
102 BRepGProp::LinearProperties(theShape, aGProps);
104 else if (theShape.ShapeType() == TopAbs_FACE || theShape.ShapeType() == TopAbs_SHELL)
106 const Standard_Real anEps = 1.e-6;
107 BRepGProp::SurfaceProperties(theShape, aGProps, anEps);
109 else if (theShape.ShapeType() == TopAbs_SOLID || theShape.ShapeType() == TopAbs_COMPSOLID)
111 BRepGProp::VolumeProperties(theShape, aGProps);
113 else if (theShape.ShapeType() == TopAbs_COMPOUND)
115 for (TopoDS_Iterator anIt(theShape); anIt.More(); anIt.Next())
117 aGProps.Add(props(anIt.Value()));
124 //==================================================================================================
125 double GeomAlgoAPI_ShapeTools::volume(const std::shared_ptr<GeomAPI_Shape> theShape)
127 if(!theShape.get()) {
130 const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
131 if(aShape.IsNull()) {
134 const Standard_Real anEps = 1.e-6;
135 TopExp_Explorer anExp(aShape, TopAbs_SOLID);
136 if (anExp.More()) { // return volume if there is at least one solid
137 double aVolume = 0.0;
138 for (; anExp.More(); anExp.Next()) {
139 GProp_GProps aGProps;
140 BRepGProp::VolumeProperties(anExp.Current(), aGProps, anEps);
141 aVolume += aGProps.Mass();
145 // return surfaces area
146 GProp_GProps aGProps;
147 BRepGProp::SurfaceProperties(aShape, aGProps, anEps);
148 return aGProps.Mass();
151 //==================================================================================================
152 double GeomAlgoAPI_ShapeTools::area (const std::shared_ptr<GeomAPI_Shape> theShape)
154 GProp_GProps aGProps;
155 if(!theShape.get()) {
158 const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
159 if(aShape.IsNull()) {
162 const Standard_Real anEps = 1.e-6;
164 BRepGProp::SurfaceProperties(aShape, aGProps, anEps);
165 return aGProps.Mass();
168 //==================================================================================================
169 std::shared_ptr<GeomAPI_Pnt>
170 GeomAlgoAPI_ShapeTools::centreOfMass(const std::shared_ptr<GeomAPI_Shape> theShape)
172 GProp_GProps aGProps;
174 return std::shared_ptr<GeomAPI_Pnt>();
176 const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
177 if(aShape.IsNull()) {
178 return std::shared_ptr<GeomAPI_Pnt>();
181 if(aShape.ShapeType() == TopAbs_VERTEX) {
182 aCentre = BRep_Tool::Pnt(TopoDS::Vertex(aShape));
184 aGProps = props(aShape);
185 aCentre = aGProps.CentreOfMass();
188 return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aCentre.X(), aCentre.Y(), aCentre.Z()));
191 //==================================================================================================
192 double GeomAlgoAPI_ShapeTools::radius(const std::shared_ptr<GeomAPI_Face>& theCylinder)
194 double aRadius = -1.0;
195 if (theCylinder->isCylindrical()) {
196 const TopoDS_Shape& aShape = theCylinder->impl<TopoDS_Shape>();
197 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(aShape));
198 Handle(Geom_CylindricalSurface) aCyl = Handle(Geom_CylindricalSurface)::DownCast(aSurf);
200 aRadius = aCyl->Radius();
205 //==================================================================================================
206 double GeomAlgoAPI_ShapeTools::minimalDistance(const GeomShapePtr& theShape1,
207 const GeomShapePtr& theShape2)
209 const TopoDS_Shape& aShape1 = theShape1->impl<TopoDS_Shape>();
210 const TopoDS_Shape& aShape2 = theShape2->impl<TopoDS_Shape>();
212 BRepExtrema_DistShapeShape aDist(aShape1, aShape2);
214 return aDist.IsDone() ? aDist.Value() : Precision::Infinite();
217 //==================================================================================================
218 std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::combineShapes(
219 const std::shared_ptr<GeomAPI_Shape> theCompound,
220 const GeomAPI_Shape::ShapeType theType,
221 ListOfShape& theResuts)
224 ListOfShape aResCombinedShapes;
225 ListOfShape aResFreeShapes;
227 GeomShapePtr aResult = theCompound;
229 if(!theCompound.get()) {
233 if(theType != GeomAPI_Shape::SHELL && theType != GeomAPI_Shape::COMPSOLID) {
237 TopAbs_ShapeEnum aTS = TopAbs_EDGE;
238 TopAbs_ShapeEnum aTA = TopAbs_FACE;
239 if(theType == GeomAPI_Shape::COMPSOLID) {
244 // map from the resulting shapes to minimal index of the used shape from theCompound list
245 std::map<GeomShapePtr, int> anInputOrder;
246 // map from ancestors-shapes to the index of shapes in theCompound
247 NCollection_DataMap<TopoDS_Shape, int> anAncestorsOrder;
251 const TopoDS_Shape& aShapesComp = theCompound->impl<TopoDS_Shape>();
252 for(TopoDS_Iterator anIter(aShapesComp); anIter.More(); anIter.Next(), anOrder++) {
253 const TopoDS_Shape& aShape = anIter.Value();
254 if(aShape.ShapeType() > aTA) {
255 std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
256 aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
257 aResFreeShapes.push_back(aGeomShape);
258 anInputOrder[aGeomShape] = anOrder;
260 for(TopExp_Explorer anExp(aShape, aTA); anExp.More(); anExp.Next()) {
261 anAncestorsOrder.Bind(anExp.Current(), anOrder);
266 // Map sub-shapes and shapes.
267 TopTools_IndexedDataMapOfShapeListOfShape aMapSA;
268 TopExp::MapShapesAndAncestors(aShapesComp, aTS, aTA, aMapSA);
269 if(aMapSA.IsEmpty()) {
274 // Get all shapes with common sub-shapes and free shapes.
275 NCollection_Map<TopoDS_Shape> aFreeShapes;
276 NCollection_Vector<NCollection_Map<TopoDS_Shape>> aShapesWithCommonSubshapes;
277 for(TopTools_IndexedDataMapOfShapeListOfShape::Iterator
278 anIter(aMapSA); anIter.More(); anIter.Next()) {
279 const TopoDS_Shape& aShape = anIter.Key();
280 TopTools_ListOfShape& aListOfShape = anIter.ChangeValue();
281 if(aListOfShape.IsEmpty()) {
284 else if(aListOfShape.Size() == 1) {
285 const TopoDS_Shape& aF = aListOfShape.First();
287 aListOfShape.Clear();
289 NCollection_List<TopoDS_Shape> aTempList;
290 NCollection_Map<TopoDS_Shape> aTempMap;
291 for (TopTools_ListOfShape::Iterator aListIt(aListOfShape); aListIt.More(); aListIt.Next()) {
292 aTempList.Append(aListIt.Value());
293 aTempMap.Add(aListIt.Value());
294 aFreeShapes.Remove(aListIt.Value());
296 aListOfShape.Clear();
297 for(NCollection_List<TopoDS_Shape>::Iterator
298 aTempIter(aTempList); aTempIter.More(); aTempIter.Next()) {
299 const TopoDS_Shape& aTempShape = aTempIter.Value();
300 for(TopTools_IndexedDataMapOfShapeListOfShape::Iterator
301 anIter(aMapSA); anIter.More(); anIter.Next()) {
302 TopTools_ListOfShape& aTempListOfShape = anIter.ChangeValue();
303 if(aTempListOfShape.IsEmpty()) {
305 } else if(aTempListOfShape.Size() == 1 && aTempListOfShape.First() == aTempShape) {
306 aTempListOfShape.Clear();
307 } else if(aTempListOfShape.Size() > 1) {
308 TopTools_ListOfShape::Iterator anIt1(aTempListOfShape);
309 for (; anIt1.More(); anIt1.Next()) {
310 if (anIt1.Value() == aTempShape) {
311 TopTools_ListOfShape::Iterator anIt2(aTempListOfShape);
312 for (; anIt2.More(); anIt2.Next())
314 if (anIt2.Value() != anIt1.Value()) {
315 if (aTempMap.Add(anIt2.Value())) {
316 aTempList.Append(anIt2.Value());
317 aFreeShapes.Remove(anIt2.Value());
321 aTempListOfShape.Clear();
328 aShapesWithCommonSubshapes.Append(aTempMap);
332 // Combine shapes with common sub-shapes.
333 for(NCollection_Vector<NCollection_Map<TopoDS_Shape>>::Iterator
334 anIter(aShapesWithCommonSubshapes); anIter.More(); anIter.Next()) {
336 TopoDS_CompSolid aCSolid;
337 TopoDS_Builder aBuilder;
340 GeomAPI_Shape::COMPSOLID ? aBuilder.MakeCompSolid(aCSolid) : aBuilder.MakeShell(aShell);
341 NCollection_Map<TopoDS_Shape>& aShapesMap = anIter.ChangeValue();
342 for(TopExp_Explorer anExp(aShapesComp, aTA); anExp.More(); anExp.Next()) {
343 const TopoDS_Shape& aShape = anExp.Current();
344 if(aShapesMap.Contains(aShape)) {
346 GeomAPI_Shape::COMPSOLID ? aBuilder.Add(aCSolid, aShape) : aBuilder.Add(aShell, aShape);
347 aShapesMap.Remove(aShape);
348 int aThisOrder = anAncestorsOrder.Find(aShape);
349 if (anOrder == -1 || aThisOrder < anOrder)
350 anOrder = aThisOrder; // take the minimum order position
353 std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
354 TopoDS_Shape* aSh = theType == GeomAPI_Shape::COMPSOLID ? new TopoDS_Shape(aCSolid) :
355 new TopoDS_Shape(aShell);
356 aGeomShape->setImpl<TopoDS_Shape>(aSh);
357 aResCombinedShapes.push_back(aGeomShape);
358 anInputOrder[aGeomShape] = anOrder;
361 // Adding free shapes.
362 for(TopExp_Explorer anExp(aShapesComp, aTA); anExp.More(); anExp.Next()) {
363 const TopoDS_Shape& aShape = anExp.Current();
364 if(aFreeShapes.Contains(aShape)) {
365 std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
366 aGeomShape->setImpl<TopoDS_Shape>(new TopoDS_Shape(aShape));
367 aResFreeShapes.push_back(aGeomShape);
368 anInputOrder[aGeomShape] = anAncestorsOrder.Find(aShape);
372 if(aResCombinedShapes.size() == 1 && aResFreeShapes.size() == 0) {
373 aResult = aResCombinedShapes.front();
374 theResuts.push_back(aResult);
375 } else if(aResCombinedShapes.size() == 0 && aResFreeShapes.size() == 1) {
376 aResult = aResFreeShapes.front();
377 theResuts.push_back(aResult);
379 TopoDS_Compound aResultComp;
380 TopoDS_Builder aBuilder;
381 aBuilder.MakeCompound(aResultComp);
382 // put to result compound and result list in accordance to the order numbers
383 std::map<GeomShapePtr, int>::iterator anInputIter = anInputOrder.begin();
384 std::map<int, GeomShapePtr> aNums;
385 for(; anInputIter != anInputOrder.end(); anInputIter++)
386 aNums[anInputIter->second] = anInputIter->first;
387 std::map<int, GeomShapePtr>::iterator aNumsIter = aNums.begin();
388 for(; aNumsIter != aNums.end(); aNumsIter++) {
389 aBuilder.Add(aResultComp, (aNumsIter->second)->impl<TopoDS_Shape>());
390 theResuts.push_back(aNumsIter->second);
392 aResult->setImpl(new TopoDS_Shape(aResultComp));
398 //==================================================================================================
399 static void addSimpleShapeToList(const TopoDS_Shape& theShape,
400 NCollection_List<TopoDS_Shape>& theList)
402 if(theShape.IsNull()) {
406 if(theShape.ShapeType() == TopAbs_COMPOUND) {
407 for(TopoDS_Iterator anIt(theShape); anIt.More(); anIt.Next()) {
408 addSimpleShapeToList(anIt.Value(), theList);
411 theList.Append(theShape);
415 //==================================================================================================
416 static TopoDS_Compound makeCompound(const NCollection_List<TopoDS_Shape> theShapes)
418 TopoDS_Compound aCompound;
420 BRep_Builder aBuilder;
421 aBuilder.MakeCompound(aCompound);
423 for(NCollection_List<TopoDS_Shape>::Iterator anIt(theShapes); anIt.More(); anIt.Next()) {
424 aBuilder.Add(aCompound, anIt.Value());
430 //==================================================================================================
431 std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::groupSharedTopology(
432 const std::shared_ptr<GeomAPI_Shape> theCompound)
434 GeomShapePtr aResult = theCompound;
436 if (!theCompound.get()) {
440 TopoDS_Shape anInShape = aResult->impl<TopoDS_Shape>();
441 NCollection_List<TopoDS_Shape> anUngroupedShapes, aStillUngroupedShapes;
442 addSimpleShapeToList(anInShape, anUngroupedShapes);
444 // Iterate over all shapes and find shapes with shared vertices.
445 TopTools_ListOfShape allVertices;
446 TopTools_DataMapOfShapeListOfShape aVertexShapesMap;
447 for (NCollection_List<TopoDS_Shape>::Iterator aShapesIt(anUngroupedShapes);
450 const TopoDS_Shape& aShape = aShapesIt.Value();
451 for (TopExp_Explorer aShapeExp(aShape, TopAbs_VERTEX);
454 const TopoDS_Shape& aVertex = aShapeExp.Current();
455 if (!aVertexShapesMap.IsBound(aVertex)) {
456 NCollection_List<TopoDS_Shape> aList;
457 aList.Append(aShape);
458 allVertices.Append(aVertex);
459 aVertexShapesMap.Bind(aVertex, aList);
462 if (!aVertexShapesMap.ChangeFind(aVertex).Contains(aShape)) {
463 aVertexShapesMap.ChangeFind(aVertex).Append(aShape);
469 // Iterate over the map and group shapes.
470 NCollection_Vector<TopTools_MapOfShape> aGroups; // groups of shapes connected by vertices
471 while (!allVertices.IsEmpty()) {
472 // Get first group of shapes in map, and then unbind it.
473 const TopoDS_Shape& aKey = allVertices.First();
474 TopTools_ListOfShape aConnectedShapes = aVertexShapesMap.Find(aKey);
475 aVertexShapesMap.UnBind(aKey);
476 allVertices.Remove(aKey);
477 // Iterate over shapes in this group and add to it shapes from groups in map.
478 for (TopTools_ListOfShape::Iterator aConnectedIt(aConnectedShapes);
479 aConnectedIt.More(); aConnectedIt.Next()) {
480 const TopoDS_Shape& aConnected = aConnectedIt.Value();
481 TopTools_ListOfShape aKeysToUnbind;
482 for (TopTools_ListOfShape::Iterator aKeysIt(allVertices);
485 const TopTools_ListOfShape& anOtherConnected = aVertexShapesMap(aKeysIt.Value());
486 if (!anOtherConnected.Contains(aConnected)) {
487 // Other connected group does not contain shape from our connected group
490 // Other is connected to our, so add them to our connected
491 for (TopTools_ListOfShape::Iterator anOtherIt(anOtherConnected);
494 const TopoDS_Shape& aShape = anOtherIt.Value();
495 if (!aConnectedShapes.Contains(aShape)) {
496 aConnectedShapes.Append(aShape);
499 // Save key to unbind from this map.
500 aKeysToUnbind.Append(aKeysIt.Value());
502 // Unbind groups from map that we added to our group.
503 for (TopTools_ListOfShape::Iterator aKeysIt(aKeysToUnbind);
506 aVertexShapesMap.UnBind(aKeysIt.Value());
507 allVertices.Remove(aKeysIt.Value());
510 // Sort shapes from the most complicated to the simplest ones
511 TopTools_MapOfShape aSortedGroup;
512 for (int aST = TopAbs_COMPOUND; aST <= TopAbs_SHAPE; ++aST) {
513 TopTools_ListOfShape::Iterator anIt(aConnectedShapes);
514 while (anIt.More()) {
515 if (anIt.Value().ShapeType() == aST) {
516 aSortedGroup.Add(anIt.Value());
517 aConnectedShapes.Remove(anIt);
524 aGroups.Append(aSortedGroup);
527 TopoDS_Compound aCompound;
528 BRep_Builder aBuilder;
529 aBuilder.MakeCompound(aCompound);
531 for (NCollection_Vector<TopTools_MapOfShape>::Iterator anIt(aGroups); anIt.More(); anIt.Next()) {
532 const TopTools_MapOfShape& aGroup = anIt.ChangeValue();
533 GeomShapePtr aGeomShape(new GeomAPI_Shape());
534 if(aGroup.Size() == 1) {
535 TopTools_MapOfShape::Iterator aOneShapeIter(aGroup);
536 aGeomShape->setImpl(new TopoDS_Shape(aOneShapeIter.Value()));
538 // make sub-shapes in the group have order same as in original shape
539 TopTools_ListOfShape anOrderedGoup;
540 NCollection_List<TopoDS_Shape>::Iterator anUngrouped(anUngroupedShapes);
541 for (; anUngrouped.More(); anUngrouped.Next()) {
542 if (aGroup.Contains(anUngrouped.Value()))
543 anOrderedGoup.Append(anUngrouped.Value());
545 aGeomShape->setImpl(new TopoDS_Shape(makeCompound(anOrderedGoup)));
546 aGeomShape = GeomAlgoAPI_ShapeTools::combineShapes(aGeomShape,
547 GeomAPI_Shape::COMPSOLID,
550 aBuilder.Add(aCompound, aGeomShape->impl<TopoDS_Shape>());
553 if(!aCompound.IsNull()) {
554 aResult->setImpl(new TopoDS_Shape(aCompound));
560 //==================================================================================================
561 bool GeomAlgoAPI_ShapeTools::hasSharedTopology(const ListOfShape& theShapes,
562 const GeomAPI_Shape::ShapeType theShapeType)
564 TopTools_IndexedMapOfShape aSubs;
565 for (ListOfShape::const_iterator anIt = theShapes.begin(); anIt != theShapes.end(); ++anIt) {
566 TopTools_IndexedMapOfShape aCurSubs;
567 TopExp::MapShapes((*anIt)->impl<TopoDS_Shape>(), (TopAbs_ShapeEnum)theShapeType, aCurSubs);
568 for (TopTools_IndexedMapOfShape::Iterator aSubIt(aCurSubs); aSubIt.More(); aSubIt.Next()) {
569 if (aSubs.Contains(aSubIt.Value()))
572 aSubs.Add(aSubIt.Value());
578 //==================================================================================================
579 std::list<std::shared_ptr<GeomAPI_Pnt> >
580 GeomAlgoAPI_ShapeTools::getBoundingBox(const ListOfShape& theShapes, const double theEnlarge)
582 // Bounding box of all objects.
586 for (ListOfShape::const_iterator
587 anObjectsIt = theShapes.begin(); anObjectsIt != theShapes.end(); anObjectsIt++) {
588 const TopoDS_Shape& aShape = (*anObjectsIt)->impl<TopoDS_Shape>();
589 BRepBndLib::Add(aShape, aBndBox);
592 if(theEnlarge != 0.0) {
593 // We enlarge bounding box just to be sure that plane will be large enough to cut all objects.
594 aBndBox.Enlarge(theEnlarge);
597 Standard_Real aXArr[2] = {aBndBox.CornerMin().X(), aBndBox.CornerMax().X()};
598 Standard_Real aYArr[2] = {aBndBox.CornerMin().Y(), aBndBox.CornerMax().Y()};
599 Standard_Real aZArr[2] = {aBndBox.CornerMin().Z(), aBndBox.CornerMax().Z()};
600 std::list<std::shared_ptr<GeomAPI_Pnt> > aResultPoints;
602 for(int i = 0; i < 2; i++) {
603 for(int j = 0; j < 2; j++) {
604 for(int k = 0; k < 2; k++) {
605 std::shared_ptr<GeomAPI_Pnt> aPnt(new GeomAPI_Pnt(aXArr[i], aYArr[j], aZArr[k]));
606 aResultPoints.push_back(aPnt);
611 return aResultPoints;
614 //==================================================================================================
615 std::shared_ptr<GeomAPI_Face> GeomAlgoAPI_ShapeTools::fitPlaneToBox(
616 const std::shared_ptr<GeomAPI_Shape> thePlane,
617 const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints)
619 std::shared_ptr<GeomAPI_Face> aResultFace;
621 if(!thePlane.get()) {
625 const TopoDS_Shape& aShape = thePlane->impl<TopoDS_Shape>();
626 if(aShape.ShapeType() != TopAbs_FACE) {
630 TopoDS_Face aFace = TopoDS::Face(aShape);
631 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
636 GeomLib_IsPlanarSurface isPlanar(aSurf);
637 if(!isPlanar.IsPlanar()) {
641 if(thePoints.size() != 8) {
645 const gp_Pln& aFacePln = isPlanar.Plan();
646 Handle(Geom_Plane) aFacePlane = new Geom_Plane(aFacePln);
647 IntAna_Quadric aQuadric(aFacePln);
648 Standard_Real UMin, UMax, VMin, VMax;
649 UMin = UMax = VMin = VMax = 0;
650 for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator
651 aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
652 const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
653 gp_Lin aLin(aPnt, aFacePln.Axis().Direction());
654 IntAna_IntConicQuad anIntAna(aLin, aQuadric);
655 const gp_Pnt& aPntOnFace = anIntAna.Point(1);
656 Standard_Real aPntU(0), aPntV(0);
657 GeomLib_Tool::Parameters(aFacePlane, aPntOnFace, Precision::Confusion(), aPntU, aPntV);
658 if(aPntU < UMin) UMin = aPntU;
659 if(aPntU > UMax) UMax = aPntU;
660 if(aPntV < VMin) VMin = aPntV;
661 if(aPntV > VMax) VMax = aPntV;
663 aResultFace.reset(new GeomAPI_Face());
664 aResultFace->setImpl(new TopoDS_Face(BRepLib_MakeFace(aFacePln, UMin, UMax, VMin, VMax).Face()));
669 //==================================================================================================
670 void GeomAlgoAPI_ShapeTools::findBounds(const std::shared_ptr<GeomAPI_Shape> theShape,
671 std::shared_ptr<GeomAPI_Vertex>& theV1,
672 std::shared_ptr<GeomAPI_Vertex>& theV2)
674 static GeomVertexPtr aVertex;
676 aVertex = GeomVertexPtr(new GeomAPI_Vertex);
677 aVertex->setImpl(new TopoDS_Vertex());
684 const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
685 TopoDS_Vertex aV1, aV2;
686 ShapeAnalysis::FindBounds(aShape, aV1, aV2);
688 std::shared_ptr<GeomAPI_Vertex> aGeomV1(new GeomAPI_Vertex()), aGeomV2(new GeomAPI_Vertex());
689 aGeomV1->setImpl(new TopoDS_Vertex(aV1));
690 aGeomV2->setImpl(new TopoDS_Vertex(aV2));
696 //==================================================================================================
697 void GeomAlgoAPI_ShapeTools::makeFacesWithHoles(const std::shared_ptr<GeomAPI_Pnt> theOrigin,
698 const std::shared_ptr<GeomAPI_Dir> theDirection,
699 const ListOfShape& theWires,
700 ListOfShape& theFaces)
702 BRepBuilderAPI_MakeFace aMKFace(gp_Pln(theOrigin->impl<gp_Pnt>(),
703 theDirection->impl<gp_Dir>()));
704 TopoDS_Face aFace = aMKFace.Face();
706 BRepAlgo_FaceRestrictor aFRestrictor;
707 aFRestrictor.Init(aFace, Standard_False, Standard_True);
708 for(ListOfShape::const_iterator anIt = theWires.cbegin();
709 anIt != theWires.cend();
711 TopoDS_Wire aWire = TopoDS::Wire((*anIt)->impl<TopoDS_Shape>());
712 aFRestrictor.Add(aWire);
715 aFRestrictor.Perform();
717 if(!aFRestrictor.IsDone()) {
721 for(; aFRestrictor.More(); aFRestrictor.Next()) {
722 GeomShapePtr aShape(new GeomAPI_Shape());
723 aShape->setImpl(new TopoDS_Shape(aFRestrictor.Current()));
724 theFaces.push_back(aShape);
728 //==================================================================================================
729 std::shared_ptr<GeomAPI_Pln> GeomAlgoAPI_ShapeTools::findPlane(const ListOfShape& theShapes)
731 TopoDS_Compound aCompound;
732 BRep_Builder aBuilder;
733 aBuilder.MakeCompound(aCompound);
735 for(ListOfShape::const_iterator anIt = theShapes.cbegin(); anIt != theShapes.cend(); ++anIt) {
736 aBuilder.Add(aCompound, (*anIt)->impl<TopoDS_Shape>());
738 BRepBuilderAPI_FindPlane aFindPlane(aCompound);
740 if(aFindPlane.Found() != Standard_True) {
741 return std::shared_ptr<GeomAPI_Pln>();
744 Handle(Geom_Plane) aPlane = aFindPlane.Plane();
745 gp_Pnt aLoc = aPlane->Location();
746 gp_Dir aDir = aPlane->Axis().Direction();
748 std::shared_ptr<GeomAPI_Pnt> aGeomPnt(new GeomAPI_Pnt(aLoc.X(), aLoc.Y(), aLoc.Z()));
749 std::shared_ptr<GeomAPI_Dir> aGeomDir(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z()));
751 std::shared_ptr<GeomAPI_Pln> aPln(new GeomAPI_Pln(aGeomPnt, aGeomDir));
756 //==================================================================================================
757 bool GeomAlgoAPI_ShapeTools::isSubShapeInsideShape(
758 const std::shared_ptr<GeomAPI_Shape> theSubShape,
759 const std::shared_ptr<GeomAPI_Shape> theBaseShape)
761 if(!theSubShape.get() || !theBaseShape.get()) {
765 const TopoDS_Shape& aSubShape = theSubShape->impl<TopoDS_Shape>();
766 const TopoDS_Shape& aBaseShape = theBaseShape->impl<TopoDS_Shape>();
768 if(aSubShape.ShapeType() == TopAbs_VERTEX) {
769 // If sub-shape is a vertex check distance to shape. If it is <= Precision::Confusion() then OK.
770 BRepExtrema_DistShapeShape aDist(aBaseShape, aSubShape);
772 if(!aDist.IsDone() || aDist.Value() > Precision::Confusion()) {
775 } else if (aSubShape.ShapeType() == TopAbs_EDGE) {
776 if(aBaseShape.ShapeType() == TopAbs_FACE) {
777 // Check that edge is on face surface.
778 TopoDS_Face aFace = TopoDS::Face(aBaseShape);
779 TopoDS_Edge anEdge = TopoDS::Edge(aSubShape);
780 BRepLib_CheckCurveOnSurface aCheck(anEdge, aFace);
782 if(!aCheck.IsDone() || aCheck.MaxDistance() > Precision::Confusion()) {
786 // Check intersections.
787 TopoDS_Vertex aV1, aV2;
788 ShapeAnalysis::FindBounds(anEdge, aV1, aV2);
789 gp_Pnt aPnt1 = BRep_Tool::Pnt(aV1);
790 gp_Pnt aPnt2 = BRep_Tool::Pnt(aV2);
791 for(TopExp_Explorer anExp(aBaseShape, TopAbs_EDGE); anExp.More(); anExp.Next()) {
792 const TopoDS_Shape& anEdgeOnFace = anExp.Current();
793 BRepExtrema_DistShapeShape aDist(anEdgeOnFace, anEdge);
795 if(aDist.IsDone() && aDist.Value() <= Precision::Confusion()) {
796 // Edge intersect face bound. Check that it is not on edge begin or end.
797 for(Standard_Integer anIndex = 1; anIndex <= aDist.NbSolution(); ++anIndex) {
798 gp_Pnt aPntOnSubShape = aDist.PointOnShape2(anIndex);
799 if(aPntOnSubShape.Distance(aPnt1) > Precision::Confusion()
800 && aPntOnSubShape.Distance(aPnt2) > Precision::Confusion()) {
807 // No intersections found. Edge is inside or outside face. Check it.
808 BRepAdaptor_Curve aCurveAdaptor(anEdge);
809 gp_Pnt aPointToCheck =
810 aCurveAdaptor.Value((aCurveAdaptor.FirstParameter() +
811 aCurveAdaptor.LastParameter()) / 2.0);
812 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
813 ShapeAnalysis_Surface aSAS(aSurface);
814 gp_Pnt2d aPointOnFace = aSAS.ValueOfUV(aPointToCheck, Precision::Confusion());
815 BRepTopAdaptor_FClass2d aFClass2d(aFace, Precision::Confusion());
816 if(aFClass2d.Perform(aPointOnFace) == TopAbs_OUT) {
830 //==================================================================================================
831 bool GeomAlgoAPI_ShapeTools::isShapeValid(const std::shared_ptr<GeomAPI_Shape> theShape)
833 if(!theShape.get()) {
837 BRepCheck_Analyzer aChecker(theShape->impl<TopoDS_Shape>());
838 return (aChecker.IsValid() == Standard_True);
841 //==================================================================================================
842 std::shared_ptr<GeomAPI_Shape>
843 GeomAlgoAPI_ShapeTools::getFaceOuterWire(const std::shared_ptr<GeomAPI_Shape> theFace)
845 GeomShapePtr anOuterWire;
847 if(!theFace.get() || !theFace->isFace()) {
851 TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
852 TopoDS_Wire aWire = BRepTools::OuterWire(aFace);
854 anOuterWire.reset(new GeomAPI_Shape());
855 anOuterWire->setImpl(new TopoDS_Shape(aWire));
860 //==================================================================================================
861 bool GeomAlgoAPI_ShapeTools::isParallel(const std::shared_ptr<GeomAPI_Edge> theEdge,
862 const std::shared_ptr<GeomAPI_Face> theFace)
864 if(!theEdge.get() || !theFace.get()) {
868 TopoDS_Edge anEdge = TopoDS::Edge(theEdge->impl<TopoDS_Shape>());
869 TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
871 BRepExtrema_ExtCF anExt(anEdge, aFace);
872 return anExt.IsParallel() == Standard_True;
875 //==================================================================================================
876 std::list<std::shared_ptr<GeomAPI_Vertex> > GeomAlgoAPI_ShapeTools::intersect(
877 const std::shared_ptr<GeomAPI_Edge> theEdge, const std::shared_ptr<GeomAPI_Face> theFace,
878 const bool thePointsOutsideFace)
880 std::list<std::shared_ptr<GeomAPI_Vertex> > aResult;
881 if(!theEdge.get() || !theFace.get()) {
885 TopoDS_Edge anEdge = TopoDS::Edge(theEdge->impl<TopoDS_Shape>());
886 double aFirstOnCurve, aLastOnCurve;
887 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirstOnCurve, aLastOnCurve);
889 TopoDS_Face aFace = TopoDS::Face(theFace->impl<TopoDS_Shape>());
890 Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
892 GeomAPI_IntCS anIntAlgo(aCurve, aSurf);
893 if (!anIntAlgo.IsDone())
895 // searching for points-intersection
896 for(int anIntNum = 1; anIntNum <= anIntAlgo.NbPoints() + anIntAlgo.NbSegments(); anIntNum++) {
898 if (anIntNum <= anIntAlgo.NbPoints()) {
899 anInt = anIntAlgo.Point(anIntNum);
900 } else { // take the middle point on the segment of the intersection
901 Handle(Geom_Curve) anIntCurve = anIntAlgo.Segment(anIntNum - anIntAlgo.NbPoints());
902 anIntCurve->D0((anIntCurve->FirstParameter() + anIntCurve->LastParameter()) / 2., anInt);
904 aResult.push_back(std::shared_ptr<GeomAPI_Vertex>(
905 new GeomAPI_Vertex(anInt.X(), anInt.Y(), anInt.Z())));
910 //==================================================================================================
911 void GeomAlgoAPI_ShapeTools::splitShape(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
912 const GeomAlgoAPI_ShapeTools::PointToRefsMap& thePointsInfo,
913 std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
915 // to split shape at least one point should be presented in the points container
916 if (thePointsInfo.empty())
919 // General Fuse to split edge by vertices
920 BOPAlgo_Builder aBOP;
921 TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
922 // Rebuild closed edge to place vertex to one of split points.
923 // This will prevent edge to be split on same vertex.
924 if (BRep_Tool::IsClosed(aBaseEdge))
926 Standard_Real aFirst, aLast;
927 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
929 PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
930 std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
931 gp_Pnt aPoint(aPnt->x(), aPnt->y(), aPnt->z());
933 TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
934 aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
935 aBaseEdge.Orientation(anOrientation);
937 aBOP.AddArgument(aBaseEdge);
939 PointToRefsMap::const_iterator aPIt = thePointsInfo.begin();
940 for (; aPIt != thePointsInfo.end(); ++aPIt) {
941 std::shared_ptr<GeomAPI_Pnt> aPnt = aPIt->first;
942 TopoDS_Vertex aV = BRepBuilderAPI_MakeVertex(gp_Pnt(aPnt->x(), aPnt->y(), aPnt->z()));
943 aBOP.AddArgument(aV);
947 if (aBOP.HasErrors())
951 const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
952 TopTools_ListIteratorOfListOfShape anIt(aSplits);
953 for (; anIt.More(); anIt.Next()) {
954 std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
955 anEdge->setImpl(new TopoDS_Shape(anIt.Value()));
956 theShapes.insert(anEdge);
960 //==================================================================================================
961 void GeomAlgoAPI_ShapeTools::splitShape_p(const std::shared_ptr<GeomAPI_Shape>& theBaseShape,
962 const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
963 std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
965 // General Fuse to split edge by vertices
966 BOPAlgo_Builder aBOP;
967 TopoDS_Edge aBaseEdge = theBaseShape->impl<TopoDS_Edge>();
968 // Rebuild closed edge to place vertex to one of split points.
969 // This will prevent edge to be split on seam vertex.
970 if (BRep_Tool::IsClosed(aBaseEdge))
972 Standard_Real aFirst, aLast;
973 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(aBaseEdge, aFirst, aLast);
975 std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPIt = thePoints.begin();
976 gp_Pnt aPoint((*aPIt)->x(), (*aPIt)->y(), (*aPIt)->z());
978 TopAbs_Orientation anOrientation = aBaseEdge.Orientation();
979 aBaseEdge = BRepBuilderAPI_MakeEdge(aCurve, aPoint, aPoint).Edge();
980 aBaseEdge.Orientation(anOrientation);
982 aBOP.AddArgument(aBaseEdge);
984 std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPtIt = thePoints.begin();
985 for (; aPtIt != thePoints.end(); ++aPtIt) {
986 std::shared_ptr<GeomAPI_Pnt> aPnt = *aPtIt;
987 TopoDS_Vertex aV = BRepBuilderAPI_MakeVertex(gp_Pnt(aPnt->x(), aPnt->y(), aPnt->z()));
988 aBOP.AddArgument(aV);
992 if (aBOP.HasErrors())
996 const TopTools_ListOfShape& aSplits = aBOP.Modified(aBaseEdge);
997 TopTools_ListIteratorOfListOfShape anIt(aSplits);
998 for (; anIt.More(); anIt.Next()) {
999 std::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
1000 anEdge->setImpl(new TopoDS_Shape(anIt.Value()));
1001 theShapes.insert(anEdge);
1005 //==================================================================================================
1006 std::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_ShapeTools::findShape(
1007 const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
1008 const std::set<std::shared_ptr<GeomAPI_Shape> >& theShapes)
1010 std::shared_ptr<GeomAPI_Shape> aResultShape;
1012 if (thePoints.size() == 2) {
1013 std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator aPntIt = thePoints.begin();
1014 std::shared_ptr<GeomAPI_Pnt> aFirstPoint = *aPntIt;
1016 std::shared_ptr<GeomAPI_Pnt> aLastPoint = *aPntIt;
1018 std::set<std::shared_ptr<GeomAPI_Shape> >::const_iterator anIt = theShapes.begin(),
1019 aLast = theShapes.end();
1020 for (; anIt != aLast; anIt++) {
1021 GeomShapePtr aShape = *anIt;
1022 std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShape));
1024 std::shared_ptr<GeomAPI_Pnt> anEdgeFirstPoint = anEdge->firstPoint();
1025 std::shared_ptr<GeomAPI_Pnt> anEdgeLastPoint = anEdge->lastPoint();
1026 if (anEdgeFirstPoint->isEqual(aFirstPoint) &&
1027 anEdgeLastPoint->isEqual(aLastPoint))
1028 aResultShape = aShape;
1033 return aResultShape;
1036 //==================================================================================================
1037 #ifdef FEATURE_MULTIROTATION_TWO_DIRECTIONS
1038 std::shared_ptr<GeomAPI_Dir> GeomAlgoAPI_ShapeTools::buildDirFromAxisAndShape(
1039 const std::shared_ptr<GeomAPI_Shape> theBaseShape,
1040 const std::shared_ptr<GeomAPI_Ax1> theAxis)
1042 gp_Pnt aCentreOfMassPoint =
1043 GeomAlgoAPI_ShapeTools::centreOfMass(theBaseShape)->impl<gp_Pnt>();
1044 Handle(Geom_Line) aLine = new Geom_Line(theAxis->impl<gp_Ax1>());
1045 GeomAPI_ProjectPointOnCurve aPrjTool(aCentreOfMassPoint, aLine);
1046 gp_Pnt aPoint = aPrjTool.NearestPoint();
1048 std::shared_ptr<GeomAPI_Dir> aDir(new GeomAPI_Dir(aCentreOfMassPoint.X()-aPoint.X(),
1049 aCentreOfMassPoint.Y()-aPoint.Y(),
1050 aCentreOfMassPoint.Z()-aPoint.Z()));
1055 //==================================================================================================
1056 static TopoDS_Wire fixParametricGaps(const TopoDS_Wire& theWire)
1058 TopoDS_Wire aFixedWire;
1059 Handle(Geom_Curve) aPrevCurve;
1060 double aPrevLastParam = 0.0;
1062 BRep_Builder aBuilder;
1063 aBuilder.MakeWire(aFixedWire);
1065 BRepTools_WireExplorer aWExp(theWire);
1066 for (; aWExp.More(); aWExp.Next()) {
1067 TopoDS_Edge anEdge = aWExp.Current();
1068 double aFirst, aLast;
1069 Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aFirst, aLast);
1070 if (aCurve == aPrevCurve) {
1071 // if parametric gap occurs, create new edge based on the copied curve
1072 aCurve = Handle(Geom_Curve)::DownCast(aCurve->Copy());
1073 TopoDS_Vertex aV1, aV2;
1074 TopExp::Vertices(anEdge, aV1, aV2);
1075 anEdge = TopoDS::Edge(anEdge.EmptyCopied());
1076 aBuilder.UpdateEdge(anEdge, aCurve, BRep_Tool::Tolerance(anEdge));
1077 aBuilder.Add(anEdge, aV1);
1078 aBuilder.Add(anEdge, aV2);
1081 aBuilder.Add(aFixedWire, anEdge);
1083 aPrevCurve = aCurve;
1084 aPrevLastParam = aLast;
1090 //==================================================================================================
1091 std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_ShapeTools::wireToEdge(
1092 const std::shared_ptr<GeomAPI_Wire>& theWire)
1096 TopoDS_Wire aWire = theWire->impl<TopoDS_Wire>();
1097 // Workaround: when concatenate a wire consisting of two edges based on the same B-spline curve
1098 // (non-periodic, but having equal start and end points), first of which is placed at the end
1099 // on the curve and second is placed at the start, this workaround copies second curve to avoid
1100 // treating these edges as a single curve by setting trim parameters.
1101 aWire = fixParametricGaps(aWire);
1102 TopoDS_Edge aNewEdge = BRepAlgo::ConcatenateWireC0(aWire);
1103 anEdge = GeomEdgePtr(new GeomAPI_Edge);
1104 anEdge->setImpl(new TopoDS_Edge(aNewEdge));
1109 //==================================================================================================
1110 ListOfShape GeomAlgoAPI_ShapeTools::getLowLevelSubShapes(const GeomShapePtr& theShape)
1112 ListOfShape aSubShapes;
1114 if (!theShape->isCompound() && !theShape->isCompSolid() &&
1115 !theShape->isShell() && !theShape->isWire()) {
1119 for (GeomAPI_ShapeIterator anIt(theShape); anIt.more(); anIt.next()) {
1120 GeomShapePtr aSubShape = anIt.current();
1121 if (aSubShape->isVertex() || aSubShape->isEdge() ||
1122 aSubShape->isFace() || aSubShape->isSolid()) {
1123 aSubShapes.push_back(aSubShape);
1125 aSubShapes.splice(aSubShapes.end(), getLowLevelSubShapes(aSubShape));
1132 //==================================================================================================
1133 static void getMinMaxPointsOnLine(const std::list<std::shared_ptr<GeomAPI_Pnt> >& thePoints,
1134 const gp_Dir theDir,
1135 double& theMin, double& theMax)
1137 theMin = RealLast();
1138 theMax = RealFirst();
1139 // Project bounding points on theDir
1140 for (std::list<std::shared_ptr<GeomAPI_Pnt> >::const_iterator
1141 aPointsIt = thePoints.begin(); aPointsIt != thePoints.end(); aPointsIt++) {
1142 const gp_Pnt& aPnt = (*aPointsIt)->impl<gp_Pnt>();
1143 gp_Dir aPntDir (aPnt.XYZ());
1144 Standard_Real proj = (theDir*aPntDir) * aPnt.XYZ().Modulus();
1145 if (proj < theMin) theMin = proj;
1146 if (proj > theMax) theMax = proj;
1150 //==================================================================================================
1151 void GeomAlgoAPI_ShapeTools::computeThroughAll(const ListOfShape& theObjects,
1152 const ListOfShape& theBaseShapes,
1153 const std::shared_ptr<GeomAPI_Dir> theDir,
1154 double& theToSize, double& theFromSize)
1156 // Bounding box of objects
1157 std::list<std::shared_ptr<GeomAPI_Pnt> > aBndObjs =
1158 GeomAlgoAPI_ShapeTools::getBoundingBox(theObjects);
1159 if (aBndObjs.size() != 8) {
1165 // One direction for all prisms
1166 gp_Dir aDir = theDir->impl<gp_Dir>();
1168 // Bounding box of the base
1169 std::list<std::shared_ptr<GeomAPI_Pnt> > aBndBases =
1170 GeomAlgoAPI_ShapeTools::getBoundingBox(theBaseShapes);
1171 if (aBndBases.size() != 8) {
1176 Standard_Real lowBnd, upperBnd;
1177 getMinMaxPointsOnLine(aBndObjs, aDir, lowBnd, upperBnd);
1180 Standard_Real lowBase, upperBase;
1181 getMinMaxPointsOnLine(aBndBases, aDir, lowBase, upperBase);
1183 // ----------.-----.---------.--------------.-----------> theDir
1184 // lowBnd lowBase upperBase upperBnd
1186 theToSize = upperBnd - lowBase;
1187 theFromSize = upperBase - lowBnd;
1189 // Direction is a normal to each base shape (different normals to bases)
1190 // So we calculate own sizes for each base shape
1194 for (ListOfShape::const_iterator anIt = theBaseShapes.begin();
1195 anIt != theBaseShapes.end(); ++anIt) {
1196 const GeomShapePtr& aBaseShape_i = (*anIt);
1197 ListOfShape aBaseShapes_i;
1198 aBaseShapes_i.push_back(aBaseShape_i);
1200 // Bounding box of the base
1201 std::list<std::shared_ptr<GeomAPI_Pnt> > aBndBases =
1202 GeomAlgoAPI_ShapeTools::getBoundingBox(aBaseShapes_i);
1203 if (aBndBases.size() != 8) {
1207 // Direction (normal to aBaseShapes_i)
1208 // Code like in GeomAlgoAPI_Prism
1210 const TopoDS_Shape& aBaseShape = aBaseShape_i->impl<TopoDS_Shape>();
1211 BRepBuilderAPI_FindPlane aFindPlane(aBaseShape);
1212 if (aFindPlane.Found() == Standard_True) {
1213 Handle(Geom_Plane) aPlane;
1214 if (aBaseShape.ShapeType() == TopAbs_FACE || aBaseShape.ShapeType() == TopAbs_SHELL) {
1215 TopExp_Explorer anExp(aBaseShape, TopAbs_FACE);
1216 const TopoDS_Shape& aFace = anExp.Current();
1217 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aFace));
1218 if(aSurface->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
1219 Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
1220 Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
1221 aSurface = aTrimSurface->BasisSurface();
1223 if(aSurface->DynamicType() != STANDARD_TYPE(Geom_Plane)) {
1226 aPlane = Handle(Geom_Plane)::DownCast(aSurface);
1228 aPlane = aFindPlane.Plane();
1230 aDir = aPlane->Axis().Direction();
1236 Standard_Real lowBnd, upperBnd;
1237 getMinMaxPointsOnLine(aBndObjs, aDir, lowBnd, upperBnd);
1240 Standard_Real lowBase, upperBase;
1241 getMinMaxPointsOnLine(aBndBases, aDir, lowBase, upperBase);
1243 // ----------.-----.---------.--------------.-----------> theDir
1244 // lowBnd lowBase upperBase upperBnd
1246 double aToSize_i = upperBnd - lowBase;
1247 double aFromSize_i = upperBase - lowBnd;
1249 if (aToSize_i > theToSize) theToSize = aToSize_i;
1250 if (aFromSize_i > theFromSize) theFromSize = aFromSize_i;