1 // Copyright (C) 2007-2015 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, or (at your option) any later version.
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
23 // File: GEOMAlgo_FinderShapeOn2.cxx
24 // Created: Fri Mar 4 10:31:06 2005
25 // Author: Peter KURNEV
28 #include <GEOMAlgo_FinderShapeOn2.hxx>
29 #include <GEOMAlgo_DataMapIteratorOfDataMapOfPassKeyInteger.hxx>
30 #include <GEOMAlgo_DataMapOfPassKeyInteger.hxx>
31 #include <GEOMAlgo_ListIteratorOfListOfPnt.hxx>
32 #include <GEOMAlgo_PassKey.hxx>
33 #include <GEOMAlgo_StateCollector.hxx>
34 #include <GEOMAlgo_SurfaceTools.hxx>
36 #include <Bnd_Box.hxx>
37 #include <BRep_Tool.hxx>
38 #include <BRepBndLib.hxx>
39 #include <BRepMesh_IncrementalMesh.hxx>
40 #include <BRepTools.hxx>
41 #include <Geom_Curve.hxx>
42 #include <Geom_Surface.hxx>
43 #include <Geom2d_Line.hxx>
44 #include <Geom2dAdaptor_Curve.hxx>
45 #include <Geom2dHatch_Hatcher.hxx>
46 #include <gp_Dir2d.hxx>
47 #include <gp_Pnt2d.hxx>
49 #include <gp_Trsf.hxx>
50 #include <HatchGen_Domain.hxx>
51 #include <IntTools_Tools.hxx>
52 #include <Poly_Array1OfTriangle.hxx>
53 #include <Poly_Polygon3D.hxx>
54 #include <Poly_PolygonOnTriangulation.hxx>
55 #include <Poly_Triangle.hxx>
56 #include <Poly_Triangulation.hxx>
57 #include <Precision.hxx>
58 #include <TColgp_Array1OfPnt.hxx>
59 #include <TColStd_Array1OfInteger.hxx>
60 #include <TColStd_MapOfInteger.hxx>
61 #include <TopAbs_State.hxx>
63 #include <TopExp_Explorer.hxx>
64 #include <TopLoc_Location.hxx>
66 #include <TopoDS_Edge.hxx>
67 #include <TopoDS_Face.hxx>
68 #include <TopoDS_Shape.hxx>
69 #include <TopoDS_Vertex.hxx>
70 #include <TopTools_IndexedMapOfShape.hxx>
72 #if OCC_VERSION_LARGE > 0x06070100
73 #include <IntTools_Context.hxx>
75 #include <BOPInt_Context.hxx>
78 //=======================================================================
81 //=======================================================================
82 GEOMAlgo_FinderShapeOn2::GEOMAlgo_FinderShapeOn2()
87 myShapeType=TopAbs_VERTEX;
88 myState=GEOMAlgo_ST_UNKNOWN;
92 //=======================================================================
95 //=======================================================================
96 GEOMAlgo_FinderShapeOn2::~GEOMAlgo_FinderShapeOn2()
99 //=======================================================================
102 //=======================================================================
103 void GEOMAlgo_FinderShapeOn2::SetClsf(const Handle(GEOMAlgo_Clsf)& aClsf)
107 //=======================================================================
110 //=======================================================================
111 const Handle(GEOMAlgo_Clsf)& GEOMAlgo_FinderShapeOn2::Clsf() const
115 //=======================================================================
116 //function : SetShapeType
118 //=======================================================================
119 void GEOMAlgo_FinderShapeOn2::SetShapeType(const TopAbs_ShapeEnum aType)
123 //=======================================================================
124 //function : ShapeType
126 //=======================================================================
127 TopAbs_ShapeEnum GEOMAlgo_FinderShapeOn2::ShapeType()const
131 //=======================================================================
132 //function : SetState
134 //=======================================================================
135 void GEOMAlgo_FinderShapeOn2::SetState(const GEOMAlgo_State aState)
139 //=======================================================================
142 //=======================================================================
143 GEOMAlgo_State GEOMAlgo_FinderShapeOn2::State() const
147 //=======================================================================
148 //function : SetNbPntsMin
150 //=======================================================================
151 void GEOMAlgo_FinderShapeOn2::SetNbPntsMin(const Standard_Integer aNb)
155 //=======================================================================
156 //function : NbPntsMin
158 //=======================================================================
159 Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMin()const
163 //=======================================================================
164 //function : SetNbPntsMax
166 //=======================================================================
167 void GEOMAlgo_FinderShapeOn2::SetNbPntsMax(const Standard_Integer aNb)
171 //=======================================================================
172 //function : NbPntsMax
174 //=======================================================================
175 Standard_Integer GEOMAlgo_FinderShapeOn2::NbPntsMax()const
179 //=======================================================================
182 //=======================================================================
183 const GEOMAlgo_IndexedDataMapOfShapeState& GEOMAlgo_FinderShapeOn2::MSS() const
187 //=======================================================================
190 //=======================================================================
191 const TopTools_ListOfShape& GEOMAlgo_FinderShapeOn2::Shapes() const
193 Standard_Integer i, aNb;
194 TopTools_ListOfShape* pL;
196 pL=(TopTools_ListOfShape*) &myLS;
200 for (i=1; i<=aNb; ++i) {
201 const TopoDS_Shape& aS=myMSS.FindKey(i);
202 if (aS.ShapeType()==myShapeType) {
208 //=======================================================================
211 //=======================================================================
212 void GEOMAlgo_FinderShapeOn2::Perform()
224 // Initialize the context
225 GEOMAlgo_ShapeAlgo::Perform();
227 myClsf->SetTolerance(myTolerance);
234 if (myShapeType==TopAbs_VERTEX) {
243 if (myShapeType==TopAbs_EDGE) {
252 if (myShapeType==TopAbs_FACE) {
260 //=======================================================================
261 //function : CheckData
263 //=======================================================================
264 void GEOMAlgo_FinderShapeOn2::CheckData()
266 Standard_Integer iErr;
270 if(myClsf.IsNull()) {
271 myErrorStatus=10; // myClsf=NULL
276 iErr=myClsf->ErrorStatus();
278 myErrorStatus=41; // invalid data for classifier
282 if (myShape.IsNull()) {
283 myErrorStatus=11; // myShape=NULL
287 if (!(myShapeType==TopAbs_VERTEX ||
288 myShapeType==TopAbs_EDGE ||
289 myShapeType==TopAbs_FACE ||
290 myShapeType==TopAbs_SOLID)) {
291 myErrorStatus=12; // unallowed sub-shape type
295 if (myState==GEOMAlgo_ST_UNKNOWN ||
296 myState==GEOMAlgo_ST_INOUT) {
297 myErrorStatus=13; // unallowed state type
301 //=======================================================================
302 //function : ProcessVertices
304 //=======================================================================
305 void GEOMAlgo_FinderShapeOn2::ProcessVertices()
309 Standard_Boolean bIsConformState;
310 Standard_Integer i, aNb, iErr;
312 TopTools_IndexedMapOfShape aM;
315 TopExp::MapShapes(myShape, TopAbs_VERTEX, aM);
317 for (i=1; i<=aNb; ++i) {
318 const TopoDS_Vertex& aV=TopoDS::Vertex(aM(i));
319 aP=BRep_Tool::Pnt(aV);
323 iErr=myClsf->ErrorStatus();
325 myErrorStatus=40; // point can not be classified
330 bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
332 if (myShapeType==TopAbs_VERTEX){
333 if (bIsConformState) {
337 else if (bIsConformState || aSt==TopAbs_ON) {
342 //=======================================================================
343 //function : ProcessEdges
345 //=======================================================================
346 void GEOMAlgo_FinderShapeOn2::ProcessEdges()
350 Standard_Boolean bIsConformState, bIsToBreak;
351 Standard_Integer i, aNb, iCnt, iErr;
353 TopTools_IndexedMapOfShape aM;
354 TopExp_Explorer aExp;
355 GEOMAlgo_ListIteratorOfListOfPnt aIt;
357 TopExp::MapShapes(myShape, TopAbs_EDGE, aM);
359 for (i=1; i<=aNb; ++i) {
360 GEOMAlgo_ListOfPnt aLP;
361 GEOMAlgo_StateCollector aSC;
363 const TopoDS_Edge& aE=TopoDS::Edge(aM(i));
365 aExp.Init(aE, TopAbs_VERTEX);
366 for (; aExp.More(); aExp.Next()) {
367 const TopoDS_Shape& aV=aExp.Current();
369 bIsConformState=myMSS.Contains(aV);
370 if (!bIsConformState) {
371 break;// vertex has non-conformed state
374 aSt=myMSS.FindFromKey(aV);
375 aSC.AppendState(aSt);
379 if (!bIsConformState) {
380 continue; // vertex has non-conformed state,skip edge
383 if (BRep_Tool::Degenerated(aE)) {
388 if (myState==GEOMAlgo_ST_ON) {
389 Standard_Boolean bCanBeON;
390 Standard_Real aT1, aT2;
391 Handle(Geom_Curve) aC;
393 aC=BRep_Tool::Curve(aE, aT1, aT2);
394 bCanBeON=myClsf->CanBeON(aC);
400 InnerPoints(aE, aLP);
405 bIsConformState=Standard_True;
407 for (iCnt=0; aIt.More(); aIt.Next(), ++iCnt) {
409 if (iCnt > myNbPntsMax) {
414 const gp_Pnt& aP=aIt.Value();
418 iErr=myClsf->ErrorStatus();
420 myErrorStatus=40; // point can not be classified
426 bIsToBreak=aSC.AppendState(aSt);
434 bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
435 if (myShapeType==TopAbs_EDGE) {
436 if (bIsConformState) {
440 else if (bIsConformState || aSt==TopAbs_ON) {
443 } // for (i=1; i<=aNb; ++i) next edge
445 //=======================================================================
446 //function : ProcessFaces
448 //=======================================================================
449 void GEOMAlgo_FinderShapeOn2::ProcessFaces()
453 Standard_Boolean bIsConformState, bIsToBreak, bCanBeON;
454 Standard_Integer i, aNbF, iCnt, iErr;
456 TopTools_IndexedMapOfShape aM;
457 TopExp_Explorer aExp;
458 GEOMAlgo_ListIteratorOfListOfPnt aIt;
460 TopExp::MapShapes(myShape, TopAbs_FACE, aM);
462 for (i=1; i<=aNbF; ++i) {
463 GEOMAlgo_StateCollector aSC;
464 GEOMAlgo_ListOfPnt aLP;
466 const TopoDS_Face& aF=TopoDS::Face(aM(i));
468 if (myState==GEOMAlgo_ST_ON) {
469 Handle(Geom_Surface) aS;
471 aS=BRep_Tool::Surface(aF);
472 bCanBeON=myClsf->CanBeON(aS);
478 aExp.Init(aF, TopAbs_EDGE);
479 for (; aExp.More(); aExp.Next()) {
480 const TopoDS_Shape& aE=aExp.Current();
481 bIsConformState=myMSS.Contains(aE);
482 if (!bIsConformState) {
483 break;// edge has non-conformed state
486 aSt=myMSS.FindFromKey(aE);
487 aSC.AppendState(aSt);
491 if (!bIsConformState) {
492 continue; // edge has non-conformed state,skip face
495 InnerPoints(aF, aLP);
500 bIsConformState=Standard_True;
502 for (iCnt=0; aIt.More(); aIt.Next(), ++iCnt) {
504 if (iCnt > myNbPntsMax) {
509 const gp_Pnt& aP=aIt.Value();
513 iErr=myClsf->ErrorStatus();
515 myErrorStatus=40; // point can not be classified
521 bIsToBreak=aSC.AppendState(aSt);
529 bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
530 if (myShapeType==TopAbs_FACE) {
531 if (bIsConformState) {
535 else if (bIsConformState || aSt==TopAbs_ON) {
538 }// for (i=1; i<=aNb; ++i) next face
540 //=======================================================================
541 //function : ProcessSolids
543 //=======================================================================
544 void GEOMAlgo_FinderShapeOn2::ProcessSolids()
548 Standard_Boolean bIsConformState;
549 Standard_Integer i, aNbS, j, aNbF;
550 TopTools_IndexedMapOfShape aM, aMF;
553 TopExp::MapShapes(myShape, TopAbs_SOLID, aM);
555 for (i=1; i<=aNbS; ++i) {
556 GEOMAlgo_StateCollector aSC;
558 const TopoDS_Shape& aSd=aM(i);
560 TopExp::MapShapes(aSd, TopAbs_FACE, aMF);
562 for (j=1; j<=aNbF; ++j) {
563 const TopoDS_Shape& aF=aMF(j);
564 bIsConformState=myMSS.Contains(aF);
565 if (!bIsConformState) {
566 break;// face has non-conformed state
569 aSt=myMSS.FindFromKey(aF);
570 aSC.AppendState(aSt);
574 if (!bIsConformState) {
575 continue; // face has non-conformed state,skip solid
580 bIsConformState=GEOMAlgo_SurfaceTools::IsConformState(aSt, myState);
581 if (bIsConformState) {
587 //=======================================================================
588 //function : InnerPoints
590 //=======================================================================
591 void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Face& aF,
592 GEOMAlgo_ListOfPnt& aLP)
594 Standard_Integer j, j1, j2, k, n[4], aNbLinks, aNx, aNb, iCnt;//, aNbMax, *pIds;
595 TopLoc_Location aLoc;
596 Handle(Poly_Triangulation) aTRF;
597 TColStd_MapOfInteger aMBN;
598 GEOMAlgo_DataMapOfPassKeyInteger aMPKI;
599 GEOMAlgo_DataMapIteratorOfDataMapOfPassKeyInteger aIt;
606 aTRF=BRep_Tool::Triangulation(aF, aLoc);
608 if (!BuildTriangulation(aF)) {
609 myWarningStatus=20; // no triangulation found
612 aTRF=BRep_Tool::Triangulation(aF, aLoc);
615 const gp_Trsf& aTrsf=aLoc.Transformation();
616 const Poly_Array1OfTriangle& aTrs=aTRF->Triangles();
617 const TColgp_Array1OfPnt& aNodes=aTRF->Nodes();
619 // map link/nbtriangles
622 for (j=j1; j<=j2; ++j) {
623 const Poly_Triangle& aTr=aTrs(j);
624 aTr.Get(n[0], n[1], n[2]);
626 for (k=0; k<3; ++k) {
627 GEOMAlgo_PassKey aPK;
629 aPK.SetIds(n[k], n[k+1]);
630 if (aMPKI.IsBound(aPK)) {
631 Standard_Integer& iCntX=aMPKI.ChangeFind(aPK);
640 // boundary nodes aMBN
641 aNbLinks=aMPKI.Extent();
642 aIt.Initialize(aMPKI);
643 for (; aIt.More(); aIt.Next()) {
646 const GEOMAlgo_PassKey& aPK=aIt.Key();
647 aNx=(Standard_Integer)aPK.Id(1);
649 aNx=(Standard_Integer)aPK.Id(2);
655 // inner nodes=all_nodes - boundary_nodes
658 for (j=j1; j<=j2; ++j) {
659 if (!aMBN.Contains(j)) {
660 aP=aNodes(j).Transformed(aTrsf);
667 //modified by NIZNHY-PKV Mon Sep 24 08:42:32 2012f
668 if (!aNb && myNbPntsMin) { // A
669 Standard_Boolean bIsDone, bHasFirstPoint, bHasSecondPoint;
670 Standard_Integer i, aNb, aIx, /*iErr, */aNbDomains;
671 Standard_Real aUMin, aUMax, aVMin, aVMax, dU, aUx, aVx, aV1, aV2;
673 gp_Dir2d aD2D (0., 1.);
675 Handle(Geom2d_Line) aL2D;
676 Handle(Geom_Surface) aS;
680 aFF.Orientation (TopAbs_FORWARD);
682 Geom2dHatch_Hatcher& aHatcher=myContext->Hatcher(aFF);
684 aS=BRep_Tool::Surface(aFF);
685 BRepTools::UVBounds(aFF, aUMin, aUMax, aVMin, aVMax);
688 dU=(aUMax-aUMin)/aNb;
689 for (i=1; i<aNb; ++i) {
691 aP2D.SetCoord(aUx, 0.);
692 aL2D=new Geom2d_Line (aP2D, aD2D);
693 Geom2dAdaptor_Curve aHCur(aL2D);
695 aHatcher.ClrHatchings();
696 aIx=aHatcher.AddHatching(aHCur);
699 bIsDone=aHatcher.TrimDone(aIx);
705 aHatcher.ComputeDomains(aIx);
706 bIsDone=aHatcher.IsDone(aIx);
711 aNbDomains=aHatcher.NbDomains(aIx);
712 for (j=1; j<=aNbDomains; ++j) {
713 const HatchGen_Domain& aDomain=aHatcher.Domain (aIx, j) ;
715 bHasFirstPoint=aDomain.HasFirstPoint();
716 bHasSecondPoint=aDomain.HasSecondPoint();
717 if (!bHasFirstPoint || !bHasSecondPoint) {
721 aV1=aDomain.FirstPoint().Parameter();
722 aV2=aDomain.SecondPoint().Parameter();
723 aVx=IntTools_Tools::IntermediatePoint(aV1, aV2);
725 aS->D0(aUx, aVx, aPx);
729 }// for (i=1; i<aNb; ++i) {
730 }// if (!aNb && myNbPntsMin) {
732 //=======================================================================
733 //function : InnerPoints
735 //=======================================================================
736 void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
737 GEOMAlgo_ListOfPnt& aLP)
741 Standard_Integer j, aNbNodes, aIndex, aNb;
742 Handle(Poly_PolygonOnTriangulation) aPTE;
743 Handle(Poly_Triangulation) aTRE;
744 TopLoc_Location aLoc;
748 BRep_Tool::PolygonOnTriangulation(aE, aPTE, aTRE, aLoc);
749 if (aTRE.IsNull() || aPTE.IsNull()) {
750 Handle(Poly_Polygon3D) aPE = BRep_Tool::Polygon3D(aE, aLoc);
752 if (!BuildTriangulation(aE)) {
753 myErrorStatus=20; // no triangulation found
756 aPE = BRep_Tool::Polygon3D(aE, aLoc);
758 const gp_Trsf& aTrsf=aLoc.Transformation();
759 const TColgp_Array1OfPnt& aNodes=aPE->Nodes();
761 aNbNodes=aPE->NbNodes();
762 Standard_Integer low = aNodes.Lower(), up = aNodes.Upper();
763 for (j=low+1; j<up; ++j) {
764 aP=aNodes(j).Transformed(aTrsf);
769 const gp_Trsf& aTrsf=aLoc.Transformation();
770 const TColgp_Array1OfPnt& aNodes=aTRE->Nodes();
772 aNbNodes=aPTE->NbNodes();
773 const TColStd_Array1OfInteger& aInds=aPTE->Nodes();
774 for (j=2; j<aNbNodes; ++j) {
776 aP=aNodes(aIndex).Transformed(aTrsf);
782 if (!aNb && myNbPntsMin) {
783 // try to fill it yourself
784 InnerPoints(aE, myNbPntsMin, aLP);
788 //=======================================================================
789 //function : InnerPoints
791 //=======================================================================
792 void GEOMAlgo_FinderShapeOn2::InnerPoints(const TopoDS_Edge& aE,
793 const Standard_Integer aNbPntsMin,
794 GEOMAlgo_ListOfPnt& aLP)
796 // try to fill it yourself
797 Standard_Boolean bInf1, bInf2;
798 Standard_Integer j, aNbT;
799 Standard_Real dT, aT, aT1, aT2;
801 Handle(Geom_Curve) aC3D;
803 aC3D=BRep_Tool::Curve(aE, aT1, aT2);
808 bInf1=Precision::IsNegativeInfinite(aT1);
809 bInf2=Precision::IsPositiveInfinite(aT2);
810 if (bInf1 || bInf2) {
816 for (j=1; j<=aNbPntsMin; ++j) {
823 //=======================================================================
824 //function : BuildTriangulation
826 //=======================================================================
828 GEOMAlgo_FinderShapeOn2::BuildTriangulation (const TopoDS_Shape& theShape)
830 // calculate deflection
831 Standard_Real aDeviationCoefficient = 0.001;
834 BRepBndLib::Add(theShape, B);
835 Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
836 B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
838 Standard_Real dx = aXmax - aXmin, dy = aYmax - aYmin, dz = aZmax - aZmin;
839 Standard_Real aDeflection = Max(Max(dx, dy), dz) * aDeviationCoefficient * 4;
840 Standard_Real aHLRAngle = 0.349066;
842 // build triangulation
843 BRepMesh_IncrementalMesh Inc (theShape, aDeflection, Standard_False, aHLRAngle);
845 // check triangulation
846 bool isTriangulation = true;
848 TopExp_Explorer exp (theShape, TopAbs_FACE);
851 TopLoc_Location aTopLoc;
852 Handle(Poly_Triangulation) aTRF;
853 aTRF = BRep_Tool::Triangulation(TopoDS::Face(exp.Current()), aTopLoc);
855 isTriangulation = false;
858 else // no faces, try edges
860 TopExp_Explorer expe (theShape, TopAbs_EDGE);
862 isTriangulation = false;
865 TopLoc_Location aLoc;
866 Handle(Poly_Polygon3D) aPE = BRep_Tool::Polygon3D(TopoDS::Edge(expe.Current()), aLoc);
868 isTriangulation = false;
873 return isTriangulation;
881 // 12 -unallowed type of sub-shapes
882 // 13 -unallowed state
883 // 15 -unallowed surface type
884 // 20- no triangulation found
885 // 30- can not obtain the line from the link
886 // 40- point can not be classified
887 // 41- invalid data for classifier
888 // 42- can not compute hatching