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 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_FillingDriver.hxx>
26 #include <GEOMImpl_IFilling.hxx>
27 #include <GEOMImpl_Types.hxx>
29 #include <GEOM_Function.hxx>
31 #include <Basics_OCCTVersion.hxx>
33 #include <BRepAlgo.hxx>
34 #include <BRepBuilderAPI_Copy.hxx>
35 #include <BRepBuilderAPI_MakeFace.hxx>
36 #include <BRep_Builder.hxx>
37 #include <BRep_Tool.hxx>
38 #include <BRepOffsetAPI_MakeFilling.hxx>
40 #include <GeomAPI_PointsToBSpline.hxx>
41 #include <GeomAPI_PointsToBSplineSurface.hxx>
42 #include <GeomFill_AppSurf.hxx>
43 #include <GeomFill_Line.hxx>
44 #include <GeomFill_SectionGenerator.hxx>
45 #include <Geom_BSplineCurve.hxx>
46 #include <Geom_BSplineSurface.hxx>
47 #include <Geom_BezierCurve.hxx>
48 #include <Geom_Circle.hxx>
49 #include <Geom_Curve.hxx>
50 #include <Geom_Ellipse.hxx>
51 #include <Geom_Line.hxx>
52 #include <Geom_Surface.hxx>
53 #include <Geom_TrimmedCurve.hxx>
55 #include <Precision.hxx>
56 #include <ShapeFix_Face.hxx>
58 #include <TColGeom_SequenceOfCurve.hxx>
59 #include <TColgp_Array1OfPnt.hxx>
60 #include <TColgp_SequenceOfPnt.hxx>
63 #include <TopExp_Explorer.hxx>
64 #include <TopTools_SequenceOfShape.hxx>
66 #include <TopoDS_Compound.hxx>
67 #include <TopoDS_Edge.hxx>
68 #include <TopoDS_Face.hxx>
69 #include <TopoDS_Shape.hxx>
70 #include <TopoDS_Vertex.hxx>
72 #include <Standard_ConstructionError.hxx>
74 //=======================================================================
77 //=======================================================================
78 const Standard_GUID& GEOMImpl_FillingDriver::GetID()
80 static Standard_GUID aFillingDriver ("FF1BBB62-5D14-4df2-980B-3A668264EA16");
81 return aFillingDriver;
84 //=======================================================================
85 //function : GEOMImpl_FillingDriver
87 //=======================================================================
89 GEOMImpl_FillingDriver::GEOMImpl_FillingDriver()
93 //=======================================================================
96 //=======================================================================
97 Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
99 if (Label().IsNull()) return 0;
100 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
101 if (aFunction.IsNull()) return 0;
103 GEOMImpl_IFilling IF (aFunction);
104 if( aFunction->GetType() == BASIC_FILLING )
106 GEOMImpl_IFilling IF (aFunction);
107 Standard_Integer mindeg = IF.GetMinDeg();
108 Standard_Integer maxdeg = IF.GetMaxDeg();
109 Standard_Real tol3d = IF.GetTol3D();
110 Standard_Boolean isApprox = IF.GetApprox();
112 if (mindeg > maxdeg) {
113 Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
116 /* we verify the contents of the shape */
118 TopoDS_Shape Scurrent;
119 Standard_Real First, Last;
120 Handle(Geom_Curve) C;
122 TopoDS_Compound aComp;
124 B.MakeCompound(aComp);
126 // input is either a list or compound of contours
127 TopTools_SequenceOfShape contours;
128 Handle(TColStd_HSequenceOfTransient) aShapeFunctions = IF.GetShapes();
129 if ( aShapeFunctions.IsNull() || aShapeFunctions->IsEmpty() ) return 0;
130 for ( int i = 1; i <= aShapeFunctions->Length(); ++i )
132 Handle(GEOM_Function) fun = Handle(GEOM_Function)::DownCast( aShapeFunctions->Value( i ));
133 if ( fun.IsNull() ) return 0;
134 TopoDS_Shape s = fun->GetValue();
135 if ( s.IsNull() ) return 0;
136 BRepBuilderAPI_Copy Copy (s);
138 contours.Append( Copy.Shape() );
141 // 1. Convert argument wires, if any, into BSpline edges
142 for ( int i = 1; i <= contours.Length(); ++i )
144 Scurrent = contours.Value( i );
145 if (Scurrent.ShapeType() != TopAbs_EDGE) {
147 if (Scurrent.ShapeType() == TopAbs_WIRE)
149 const TopoDS_Wire& CurWire = TopoDS::Wire(Scurrent);
150 TopoDS_Edge NewEdge = BRepAlgo::ConcatenateWireC0(CurWire);
151 if (NewEdge.IsNull())
152 Standard_ConstructionError::Raise("Failed to join several edges into one");
155 else if (Scurrent.ShapeType() == TopAbs_COMPOUND)
157 for ( TopoDS_Iterator It( Scurrent ); It.More(); It.Next() )
158 contours.Append( It.Value() );
163 Standard_ConstructionError::Raise("Input must contain only edges or/and wires");
166 B.Add(aComp,Scurrent);
170 // 2. The surface construction
172 // make filling as in old version of SALOME (before 4.1.1)
174 Standard_Real tol2d = IF.GetTol2D();
175 Standard_Integer nbiter = IF.GetNbIter();
176 Standard_Integer aMethod = IF.GetMethod();
178 GeomFill_SectionGenerator Section;
179 Standard_Integer i = 0;
180 Handle(Geom_Curve) aLastC;
182 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
183 Scurrent = Ex.Current();
184 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
185 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
186 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
187 //if (Scurrent.Orientation() == TopAbs_REVERSED)
188 // // Mantis isuue 0020659: consider the orientation of the edges
189 // C = new Geom_TrimmedCurve(C, Last, First);
191 // C = new Geom_TrimmedCurve(C, First, Last);
192 C = new Geom_TrimmedCurve(C, First, Last);
197 if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
200 else if (aMethod == 2) {
206 double d1 = PL1.Distance(P1) + PL2.Distance(P2);
207 double d2 = PL1.Distance(P2) + PL2.Distance(P1);
224 /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
225 Section.Perform(Precision::PConfusion());
226 Handle(GeomFill_Line) Line = new GeomFill_Line(i);
228 GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
229 App.Perform(Line, Section);
231 if (!App.IsDone()) return 0;
232 Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
233 App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
234 Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
235 (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
236 App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
238 if (GBS.IsNull()) return 0;
239 aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
242 // implemented by skl 20.03.2008 for bug 16568
243 // make approximation - try to create bspline surface
244 // using GeomAPI_PointsToBSplineSurface
246 TColGeom_SequenceOfCurve aSeq;
249 // add curves from edges to sequence and find maximal
250 // number of poles if some of them are bsplines
251 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
252 Scurrent = Ex.Current();
253 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
254 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
255 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
256 Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
258 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
260 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
264 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
266 Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
268 BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
272 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
277 // prepare array of points for creation bspline surface
278 // size of this array: by U parameter - number of curves,
279 // by V parameter - determ using MaxNbPoles but it's
280 // value must be between 21(min) and 101(max)
281 int nbc = aSeq.Length();
282 int nbp = Max(21, 2*MaxNbPoles-1);
284 // commented for Mantis issue 0021541
285 //if (nbp > 101) nbp = 101;
287 TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
289 for (; ic <= nbc; ic++) {
290 Handle(Geom_Curve) C = aSeq.Value(ic);
291 double fp = C->FirstParameter();
292 double lp = C->LastParameter();
293 double dp = (lp-fp)/(nbp-1);
296 for (; j < nbp; j++) {
298 Points.SetValue(ic, j+1, P);
301 GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
302 Handle(Geom_BSplineSurface) BS = PTB.Surface();
303 BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
304 TopoDS_Face NewF = BB.Face();
305 Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
307 sff->FixOrientation();
308 aShape = sff->Face();
311 else if( aFunction->GetType() == FILLING_ON_CONSTRAINTS )
313 BRepOffsetAPI_MakeFilling MakeFilling;
315 Handle(TColStd_HSequenceOfTransient) aConstraints = IF.GetShapes();
317 for ( unsigned int ind = 1; ind <= aConstraints->Length(); ind++ ) {
320 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind) );
321 if ( !aRefShape->GetValue().IsNull() && aRefShape->GetValue().ShapeType() == TopAbs_EDGE )
322 E = TopoDS::Edge(aRefShape->GetValue() );
324 Standard_RangeError::Raise("Wrong parameters");
326 if ( ind < aConstraints->Length() ) {
327 Handle(GEOM_Function) aRefFaceShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind+1) );
328 if ( !aRefFaceShape->GetValue().IsNull() && aRefFaceShape->GetValue().ShapeType() == TopAbs_FACE ) {
329 F = TopoDS::Face( aRefFaceShape->GetValue() );
334 MakeFilling.Add( E, F, GeomAbs_G1 );
336 MakeFilling.Add( E, GeomAbs_C0 );
340 if ( !MakeFilling.IsDone() )
342 Standard_RangeError::Raise("Filling on constraints failed");
345 aShape = TopoDS::Face( MakeFilling.Shape() );
348 /* We test the validity of resulting shape */
349 if (!BRepAlgo::IsValid((aShape))) {
350 Standard_ConstructionError::Raise("Algorithm has produced an invalid shape result");
353 aFunction->SetValue(aShape);
355 log.SetTouched(Label());
359 //================================================================================
361 * \brief Returns a name of creation operation and names and values of creation parameters
363 //================================================================================
365 bool GEOMImpl_FillingDriver::
366 GetCreationInformation(std::string& theOperationName,
367 std::vector<GEOM_Param>& theParams)
369 if (Label().IsNull()) return 0;
370 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
372 GEOMImpl_IFilling aCI( function );
373 Standard_Integer aType = function->GetType();
375 theOperationName = "FILLING";
380 AddParam( theParams, "Input compound", aCI.GetShapes() );
381 AddParam( theParams, "Method", aCI.GetMethod() );
382 const char* method[3] =
383 { "Standard", "Use edges orientation", "Correct edges orientation" };
384 if ( 0 <= aCI.GetMethod() && aCI.GetMethod() < 3 )
385 theParams[1] << " = " << method[ aCI.GetMethod() ];
386 AddParam( theParams, "Min deg", aCI.GetMinDeg() );
387 AddParam( theParams, "Max deg", aCI.GetMaxDeg() );
388 AddParam( theParams, "Nb. Iter", aCI.GetNbIter() );
389 AddParam( theParams, "Tol. 2D", aCI.GetTol2D() );
390 AddParam( theParams, "Tol. 3D", aCI.GetTol3D() );
391 AddParam( theParams, "Approximation", aCI.GetApprox() );
394 case FILLING_ON_CONSTRAINTS:
396 theOperationName = "FACE";
397 AddParam( theParams, "Edges/Faces", aCI.GetShapes() );
407 IMPLEMENT_STANDARD_HANDLE (GEOMImpl_FillingDriver,GEOM_BaseDriver);
408 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_FillingDriver,GEOM_BaseDriver);