1 // Copyright (C) 2007-2021 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: ShHealOper_FillHoles.cxx
24 // Created: 26.04.04 17:35:30
25 // Author: Galina KULIKOVA
27 #include <ShapeFix_Shell.hxx>
28 #include <ShapeFix_Face.hxx>
29 #include <ShHealOper_FillHoles.hxx>
30 #include <ShapeAnalysis_FreeBounds.hxx>
32 #include <BRep_Tool.hxx>
33 #include <BRepAdaptor_Curve.hxx>
34 #include <BRepAdaptor_HCurve.hxx>
35 #include <BRep_Builder.hxx>
36 #include <BRepFill_CurveConstraint.hxx>
37 #include <BRepBuilderAPI_MakeFace.hxx>
39 #include <TopAbs_ShapeEnum.hxx>
41 #include <TopExp_Explorer.hxx>
43 #include <TopoDS_Edge.hxx>
44 #include <TopoDS_Shell.hxx>
45 #include <TopoDS_Compound.hxx>
46 #include <TopoDS_Iterator.hxx>
47 #include <TopLoc_Location.hxx>
48 #include <TopTools_ListOfShape.hxx>
49 #include <TopTools_HSequenceOfShape.hxx>
50 #include <TopTools_IndexedMapOfShape.hxx>
52 #include <Geom_Curve.hxx>
53 #include <Geom_BSplineSurface.hxx>
54 #include <GeomPlate_Surface.hxx>
55 #include <GeomPlate_MakeApprox.hxx>
56 #include <GeomPlate_CurveConstraint.hxx>
57 #include <GeomPlate_PlateG0Criterion.hxx>
58 #include <GeomPlate_BuildPlateSurface.hxx>
60 #include <TColgp_SequenceOfXY.hxx>
61 #include <TColgp_SequenceOfXYZ.hxx>
63 #include <Precision.hxx>
65 //=======================================================================
66 //function : ShHealOper_FillHoles()
67 //purpose : Constructor
68 //=======================================================================
69 ShHealOper_FillHoles::ShHealOper_FillHoles ()
74 //=======================================================================
75 //function : ShHealOper_FillHoles
77 //=======================================================================
78 ShHealOper_FillHoles::ShHealOper_FillHoles (const TopoDS_Shape& theShape)
84 //=======================================================================
87 //=======================================================================
88 void ShHealOper_FillHoles::Init(const TopoDS_Shape& theShape)
90 ShHealOper_Tool::Init(theShape);
91 TopExp::MapShapesAndAncestors( myInitShape, TopAbs_EDGE,TopAbs_SHELL , myEdgeShells);
92 TopExp::MapShapesAndAncestors ( myInitShape, TopAbs_EDGE,TopAbs_COMPOUND, myEdgeComps );
94 TopExp::MapShapesAndAncestors ( myInitShape, TopAbs_EDGE,TopAbs_FACE, myEdgeFaces );
97 //=======================================================================
98 //function : InitParameters
100 //=======================================================================
101 void ShHealOper_FillHoles::InitParameters(Standard_Integer theDegree,
102 Standard_Integer theNbPtsOnCur,
103 Standard_Integer theNbIter,
104 Standard_Real theTol3d,
105 Standard_Real theTol2d,
106 Standard_Real theTolAng,
107 Standard_Real theTolCrv,
108 Standard_Integer theMaxDeg,
109 Standard_Integer theMaxSeg)
111 myNbPtsOnCur = theNbPtsOnCur;
112 myNbIter = theNbIter;
116 myTolAng = theTolAng;
117 myTolCrv = theTolCrv;
118 myMaxDeg = theMaxDeg;
121 //=======================================================================
124 //=======================================================================
125 Standard_Boolean ShHealOper_FillHoles::Fill()
127 ShapeAnalysis_FreeBounds sab(myInitShape);
128 TopoDS_Compound aCompClosed = sab.GetClosedWires();
129 TopoDS_Compound aCompOpen = sab.GetOpenWires();
130 TopTools_SequenceOfShape aFillWires;
131 if(!aCompClosed.IsNull()) {
132 TopoDS_Iterator aIt(aCompClosed);
134 for( ; aIt.More(); aIt.Next())
135 aFillWires.Append(aIt.Value());
137 if(!aCompOpen.IsNull()) {
138 TopoDS_Iterator aIt(aCompOpen);
139 for( ; aIt.More(); aIt.Next())
140 aFillWires.Append(aIt.Value());
143 TopExp_Explorer aExp(myInitShape,TopAbs_EDGE,TopAbs_FACE);
145 for( ; aExp.More(); aExp.Next())
146 aFillWires.Append(aExp.Current());
148 return Fill(aFillWires);
151 //=======================================================================
154 //=======================================================================
155 Standard_Boolean ShHealOper_FillHoles::Fill(const TopTools_SequenceOfShape& theFillShapes)
157 myDone = Standard_False;
158 myErrorStatus = ShHealOper_NotError;
159 if(myInitShape.IsNull()) {
160 myErrorStatus = ShHealOper_InvalidParameters;
163 if(!theFillShapes.Length()) {
167 Handle(TopTools_HSequenceOfShape) aSeqWires = new TopTools_HSequenceOfShape;
168 if(!prepareWires(theFillShapes,aSeqWires)) {
169 myErrorStatus = ShHealOper_InvalidParameters;
173 myResultShape = myInitShape;
174 Standard_Integer i =1;
175 for( ; i <= aSeqWires->Length(); i++) {
176 TopoDS_Wire aWire = TopoDS::Wire(aSeqWires->Value(i));
177 Handle(TColGeom2d_HArray1OfCurve) aCurves2d;
178 Handle(TColStd_HArray1OfInteger) aOrders;
179 Handle(TColStd_HArray1OfInteger) aSenses;
180 Handle(Geom_Surface) aSurf = buildSurface(aWire,aCurves2d,aOrders,aSenses);
182 myErrorStatus = ShHealOper_ErrorExecution;
184 myDone = (addFace(aSurf,aWire,aCurves2d,aOrders,aSenses) || myDone);
188 myResultShape = myContext->Apply(myResultShape);
189 myStatistics.AddModif( "Face created to fill hole" , aSeqWires->Length() );
194 //=======================================================================
195 //function : isCircle
197 //=======================================================================
198 static Standard_Boolean isCircle(const TopoDS_Edge theEdge)
200 Standard_Real aFirst, aLast;
201 Handle(Geom_Curve) aC3D = BRep_Tool::Curve(theEdge,aFirst, aLast );
202 if(aC3D.IsNull()) return Standard_False;
203 Standard_Boolean isCirc = (aC3D->Value(aFirst).Distance(aC3D->Value(aLast)) <
204 aC3D->Value(aFirst).Distance(aC3D->Value((aFirst +aLast)/2)));
207 //=======================================================================
208 //function : prepareWires
210 //=======================================================================
212 Standard_Boolean ShHealOper_FillHoles::prepareWires(const TopTools_SequenceOfShape& theFillShapes,
213 Handle(TopTools_HSequenceOfShape)& theSeqWires)
215 Handle(TopTools_HSequenceOfShape) aSeqEdges = new TopTools_HSequenceOfShape;
216 Standard_Integer i =1;
217 for( ; i <= theFillShapes.Length(); i++) {
218 TopExp_Explorer aExp;
219 for (aExp.Init (theFillShapes.Value(i),TopAbs_WIRE); aExp.More(); aExp.Next()) {
220 TopoDS_Iterator aIt(aExp.Current());
221 Standard_Boolean isAdd = Standard_True;
222 for( ; aIt.More() && isAdd; aIt.Next()) {
223 if(myEdgeFaces.Contains(aIt.Value()))
224 isAdd = (myEdgeFaces.FindFromKey(aIt.Value()).Extent() <2);
227 theSeqWires->Append(aExp.Current());
229 for (aExp.Init (theFillShapes.Value(i),TopAbs_EDGE, TopAbs_WIRE); aExp.More(); aExp.Next()) {
230 if (!BRep_Tool::Degenerated (TopoDS::Edge (aExp.Current())))
231 if(myEdgeFaces.Contains(aExp.Current()) && myEdgeFaces.FindFromKey(aExp.Current()).Extent() >1)
233 aSeqEdges->Append(aExp.Current()); // to do: mustn't this clause be within if(!BRep_Tool::Degenerated...)?
237 if(aSeqEdges->Length())
239 Standard_Real aTol = 0.;
240 Standard_Boolean aShared = Standard_True;
241 Handle(TopTools_HSequenceOfShape) aTmpWires = new TopTools_HSequenceOfShape;
242 ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdges, aTol, aShared, aTmpWires);
243 Handle(TopTools_HSequenceOfShape) anWiresClosed = new TopTools_HSequenceOfShape,
244 anWiresOpen = new TopTools_HSequenceOfShape;
245 ShapeAnalysis_FreeBounds::SplitWires(aTmpWires, aTol, aShared, anWiresClosed, anWiresOpen);
247 for (i = 1; i <= anWiresClosed->Length(); i++)
248 theSeqWires->Append (anWiresClosed->Value (i));
249 for (i = 1; i <= anWiresOpen->Length(); i++)
250 theSeqWires->Append (anWiresOpen->Value (i));
253 for( i =1; i <= theSeqWires->Length(); i++) {
254 TopoDS_Wire aWire = TopoDS::Wire(theSeqWires->Value(i));
256 TopoDS_Iterator aIt(aWire);
257 Standard_Integer ne =0;
259 for( ; aIt.More(); aIt.Next(), ne++)
260 ae = TopoDS::Edge(aIt.Value());
261 if((ne == 1) && ( !isCircle(ae))) {
262 theSeqWires->Remove(i--);
266 return (theSeqWires->Length());
268 //=======================================================================
269 //function : buildSurface
271 //=======================================================================
273 Handle(Geom_Surface) ShHealOper_FillHoles::buildSurface(const TopoDS_Wire& theWire,
274 Handle(TColGeom2d_HArray1OfCurve)& theCurves2d,
275 Handle(TColStd_HArray1OfInteger)& theOrders,
276 Handle(TColStd_HArray1OfInteger)& theSenses)
278 Handle(Geom_BSplineSurface) aSurf;
280 GeomPlate_BuildPlateSurface aBuilder(myDegree, myNbPtsOnCur, myNbIter,
281 myTol2d, myTol3d, myTolAng, myTolCrv);
282 TopoDS_Iterator aIter;
283 for(aIter.Initialize (theWire); aIter.More(); aIter.Next()) {
285 TopoDS_Edge ae = TopoDS::Edge(aIter.Value());
286 BRepAdaptor_Curve adC(ae);
287 Handle(BRepAdaptor_HCurve) aHAD= new BRepAdaptor_HCurve(adC);
288 // Handle(BRepFill_CurveConstraint) aConst =
289 // new BRepFill_CurveConstraint (Handle(Adaptor3d_HCurve)::DownCast(aHAD), (Standard_Integer) GeomAbs_C0, myNbPtsOnCur, myTol3d);
290 Handle(GeomPlate_CurveConstraint) aConst =
291 new GeomPlate_CurveConstraint(aHAD, (Standard_Integer) GeomAbs_C0, myNbPtsOnCur, myTol3d);
292 aBuilder.Add (aConst);
295 if(!aBuilder.IsDone())
297 Handle(GeomPlate_Surface) aPlSurf = aBuilder.Surface();
299 //for filling holes without initial specified surface
300 //the initial surface should be build by GeomPlate itself
301 //following code was taken from BRepFill_Filling::Build
303 Standard_Real aDist = aBuilder.G0Error();
304 TColgp_SequenceOfXY S2d;
305 TColgp_SequenceOfXYZ S3d;
308 aBuilder.Disc2dContour(4,S2d);
309 aBuilder.Disc3dContour(4,0,S3d);
310 Standard_Real amaxTol = Max( myTol3d, 10* aDist);
311 GeomPlate_PlateG0Criterion Criterion( S2d, S3d, amaxTol );
312 GeomPlate_MakeApprox Approx( aPlSurf, Criterion, myTol3d, myMaxSeg, myMaxDeg );
313 aSurf = Approx.Surface();
317 theCurves2d = aBuilder.Curves2d();
318 theOrders = aBuilder.Order();
319 theSenses = aBuilder.Sense();
322 catch (Standard_Failure&) {
329 //=======================================================================
332 //=======================================================================
334 Standard_Boolean ShHealOper_FillHoles::addFace(const Handle(Geom_Surface)& theSurf,
335 const TopoDS_Wire& theWire,
336 const Handle(TColGeom2d_HArray1OfCurve)& theCurves2d,
337 const Handle(TColStd_HArray1OfInteger)& theOrders,
338 const Handle(TColStd_HArray1OfInteger)& theSenses)
340 BRepBuilderAPI_MakeFace aMakeFace (theSurf, Precision::Confusion());
341 TopoDS_Face aFace = aMakeFace.Face();
348 TopTools_IndexedMapOfShape aMapParent;
349 Standard_Integer aInd = 1;
350 Standard_Boolean hasShell = Standard_False;
351 TopoDS_Iterator aIter(theWire);
352 for ( ; aIter.More(); aIter.Next(), aInd++) {
353 TopoDS_Edge anEdge = TopoDS::Edge (aIter.Value());
354 Standard_Real aF, aL;
355 BRep_Tool::Range (anEdge, aF, aL);
356 TopLoc_Location aLoc;
357 aB.UpdateEdge (anEdge, theCurves2d->Value (aInd),aFace, 0.);
359 aB.Range (anEdge, aFace, aF, aL);
361 // Set orientation of the edge: orientation should be changed
362 // if its orientation does not make sense with curve orientation
363 // recommended by GeomPlate
364 if ((anEdge.Orientation() == TopAbs_FORWARD) ==
365 (theSenses->Value (theOrders->Value (aInd)) == 1)) {
368 aB.SameParameter(anEdge,Standard_False);
369 aB.Add (aWire, anEdge);
370 TopoDS_Shape aParent;
371 if(!myEdgeFaces.Contains(anEdge))
374 if(myEdgeFaces.FindFromKey(anEdge).Extent() >1)
377 if(myEdgeShells.Contains(anEdge)) {
378 if(myEdgeShells.FindFromKey(anEdge).Extent()) {
379 aParent = myEdgeShells.FindFromKey(anEdge).First();
380 hasShell = Standard_True;
381 aMapParent.Add(aParent);
384 else if(myEdgeComps.Contains(anEdge)) {
385 if(myEdgeComps.FindFromKey(anEdge).Extent()) {
386 aParent = myEdgeComps.FindFromKey(anEdge).First();
387 aMapParent.Add(aParent);
393 Handle(ShapeFix_Face) aSff = new ShapeFix_Face(aFace);
394 aSff->SetContext(myContext);
395 aSff->SetPrecision(myTol3d);
397 if(aSff->Status(ShapeExtend_FAIL)) {
398 myErrorStatus = ShHealOper_ErrorExecution;
399 return Standard_False;
401 //theFace = aSff->Face();
402 TopoDS_Shape aResShape = aSff->Result();
403 getResShape(aResShape,aMapParent,hasShell);
404 return Standard_True;
407 //=======================================================================
408 //function : getResShape
410 //=======================================================================
412 void ShHealOper_FillHoles::getResShape(const TopoDS_Shape& theAddShape,
413 const TopTools_IndexedMapOfShape& aMapParent,
414 const Standard_Boolean theHasShell)
418 if(!aMapParent.Extent()) {
419 TopoDS_Compound aComp;
420 aB.MakeCompound(aComp);
421 TopoDS_Shape aresShape = myContext->Apply(myResultShape);
422 aB.Add(aComp,aresShape);
423 aB.Add(aComp,theAddShape);
424 myResultShape = aComp;
427 Standard_Boolean anhasShell = theHasShell;
428 TopoDS_Shell aTmpShell;
429 aB.MakeShell(aTmpShell);
430 TopTools_SequenceOfShape aseqShells;
432 aB.Add(aTmpShell,theAddShape);
433 Standard_Integer i =1;
434 for( ; i <= aMapParent.Extent(); i++) {
435 TopoDS_Shape aParShape = myContext->Apply(aMapParent.FindKey(i));
436 if(aParShape.ShapeType() == TopAbs_SHELL) {
437 TopExp_Explorer aexp(aParShape,TopAbs_FACE);
438 for( ; aexp.More(); aexp.Next())
439 aB.Add(aTmpShell,aexp.Current());
440 aseqShells.Append(aParShape);
443 anhasShell = aseqShells.Length();
446 Handle(ShapeFix_Shell) asfs = new ShapeFix_Shell;
447 asfs->FixFaceOrientation(aTmpShell);
448 TopoDS_Shape anshape = asfs->Shape();
449 myContext->Replace(aseqShells.Value(1),anshape);
450 Standard_Integer i =2;
451 for( ; i<= aseqShells.Length(); i++)
452 myContext->Remove(aseqShells.Value(i));
455 TopoDS_Compound aComp;
456 aB.MakeCompound(aComp);
457 TopoDS_Shape oldshape = myContext->Apply(aMapParent.FindKey(1));
458 TopoDS_Iterator aIt(oldshape);
459 for( ; aIt.More(); aIt.Next())
460 aB.Add(aComp,aIt.Value());
461 aB.Add(aComp,theAddShape);
462 myContext->Replace( oldshape,aComp);