1 // Copyright (C) 2007-2014 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>
39 #include <GeomAPI_PointsToBSpline.hxx>
40 #include <GeomAPI_PointsToBSplineSurface.hxx>
41 #include <GeomFill_AppSurf.hxx>
42 #include <GeomFill_Line.hxx>
43 #include <GeomFill_SectionGenerator.hxx>
44 #include <Geom_BSplineCurve.hxx>
45 #include <Geom_BSplineSurface.hxx>
46 #include <Geom_BezierCurve.hxx>
47 #include <Geom_Circle.hxx>
48 #include <Geom_Curve.hxx>
49 #include <Geom_Ellipse.hxx>
50 #include <Geom_Line.hxx>
51 #include <Geom_Surface.hxx>
52 #include <Geom_TrimmedCurve.hxx>
54 #include <Precision.hxx>
55 #include <ShapeFix_Face.hxx>
57 #include <TColGeom_SequenceOfCurve.hxx>
58 #include <TColgp_Array1OfPnt.hxx>
59 #include <TColgp_SequenceOfPnt.hxx>
62 #include <TopExp_Explorer.hxx>
63 #include <TopTools_SequenceOfShape.hxx>
65 #include <TopoDS_Compound.hxx>
66 #include <TopoDS_Edge.hxx>
67 #include <TopoDS_Shape.hxx>
68 #include <TopoDS_Vertex.hxx>
70 #include <Standard_ConstructionError.hxx>
72 //=======================================================================
75 //=======================================================================
76 const Standard_GUID& GEOMImpl_FillingDriver::GetID()
78 static Standard_GUID aFillingDriver ("FF1BBB62-5D14-4df2-980B-3A668264EA16");
79 return aFillingDriver;
82 //=======================================================================
83 //function : GEOMImpl_FillingDriver
85 //=======================================================================
87 GEOMImpl_FillingDriver::GEOMImpl_FillingDriver()
91 //=======================================================================
94 //=======================================================================
95 Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
97 if (Label().IsNull()) return 0;
98 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
99 if (aFunction.IsNull()) return 0;
100 if (aFunction->GetType() != BASIC_FILLING) return 0;
102 GEOMImpl_IFilling IF (aFunction);
103 Standard_Integer mindeg = IF.GetMinDeg();
104 Standard_Integer maxdeg = IF.GetMaxDeg();
105 Standard_Real tol3d = IF.GetTol3D();
106 Standard_Boolean isApprox = IF.GetApprox();
108 if (mindeg > maxdeg) {
109 Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
112 /* we verify the contents of the shape */
114 TopoDS_Shape Scurrent;
115 Standard_Real First, Last;
116 Handle(Geom_Curve) C;
118 TopoDS_Compound aComp;
120 B.MakeCompound(aComp);
122 // input is either a list or compound of contours
123 TopTools_SequenceOfShape contours;
124 Handle(TColStd_HSequenceOfTransient) aShapeFunctions = IF.GetShapes();
125 if ( aShapeFunctions.IsNull() || aShapeFunctions->IsEmpty() ) return 0;
126 for ( int i = 1; i <= aShapeFunctions->Length(); ++i )
128 Handle(GEOM_Function) fun = Handle(GEOM_Function)::DownCast( aShapeFunctions->Value( i ));
129 if ( fun.IsNull() ) return 0;
130 TopoDS_Shape s = fun->GetValue();
131 if ( s.IsNull() ) return 0;
132 BRepBuilderAPI_Copy Copy (s);
134 contours.Append( Copy.Shape() );
137 // 1. Convert argument wires, if any, into BSpline edges
138 for ( int i = 1; i <= contours.Length(); ++i )
140 Scurrent = contours.Value( i );
141 if (Scurrent.ShapeType() != TopAbs_EDGE) {
143 if (Scurrent.ShapeType() == TopAbs_WIRE)
145 const TopoDS_Wire& CurWire = TopoDS::Wire(Scurrent);
146 TopoDS_Edge NewEdge = BRepAlgo::ConcatenateWireC0(CurWire);
147 if (NewEdge.IsNull())
148 Standard_ConstructionError::Raise("Failed to join several edges into one");
151 else if (Scurrent.ShapeType() == TopAbs_COMPOUND)
153 for ( TopoDS_Iterator It( Scurrent ); It.More(); It.Next() )
154 contours.Append( It.Value() );
159 Standard_ConstructionError::Raise("Input must contain only edges or/and wires");
162 B.Add(aComp,Scurrent);
164 TopoDS_Shape aShape = aComp;
166 // 2. The surface construction
168 // make filling as in old version of SALOME (before 4.1.1)
170 Standard_Real tol2d = IF.GetTol2D();
171 Standard_Integer nbiter = IF.GetNbIter();
172 Standard_Integer aMethod = IF.GetMethod();
174 GeomFill_SectionGenerator Section;
175 Standard_Integer i = 0;
176 Handle(Geom_Curve) aLastC;
178 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
179 Scurrent = Ex.Current();
180 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
181 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
182 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
183 //if (Scurrent.Orientation() == TopAbs_REVERSED)
184 // // Mantis isuue 0020659: consider the orientation of the edges
185 // C = new Geom_TrimmedCurve(C, Last, First);
187 // C = new Geom_TrimmedCurve(C, First, Last);
188 C = new Geom_TrimmedCurve(C, First, Last);
193 if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
196 else if (aMethod == 2) {
202 double d1 = PL1.Distance(P1) + PL2.Distance(P2);
203 double d2 = PL1.Distance(P2) + PL2.Distance(P1);
220 /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
221 Section.Perform(Precision::PConfusion());
222 Handle(GeomFill_Line) Line = new GeomFill_Line(i);
224 GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
225 App.Perform(Line, Section);
227 if (!App.IsDone()) return 0;
228 Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
229 App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
230 Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
231 (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
232 App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
234 if (GBS.IsNull()) return 0;
235 aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
238 // implemented by skl 20.03.2008 for bug 16568
239 // make approximation - try to create bspline surface
240 // using GeomAPI_PointsToBSplineSurface
242 TColGeom_SequenceOfCurve aSeq;
245 // add curves from edges to sequence and find maximal
246 // number of poles if some of them are bsplines
247 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
248 Scurrent = Ex.Current();
249 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
250 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
251 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
252 Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
254 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
256 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
260 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
262 Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
264 BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
268 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
273 // prepare array of points for creation bspline surface
274 // size of this array: by U parameter - number of curves,
275 // by V parameter - determ using MaxNbPoles but it's
276 // value must be between 21(min) and 101(max)
277 int nbc = aSeq.Length();
278 int nbp = Max(21, 2*MaxNbPoles-1);
280 // commented for Mantis issue 0021541
281 //if (nbp > 101) nbp = 101;
283 TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
285 for (; ic <= nbc; ic++) {
286 Handle(Geom_Curve) C = aSeq.Value(ic);
287 double fp = C->FirstParameter();
288 double lp = C->LastParameter();
289 double dp = (lp-fp)/(nbp-1);
292 for (; j < nbp; j++) {
294 Points.SetValue(ic, j+1, P);
297 GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
298 Handle(Geom_BSplineSurface) BS = PTB.Surface();
299 BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
300 TopoDS_Face NewF = BB.Face();
301 Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
303 sff->FixOrientation();
304 aShape = sff->Face();
307 /* We test the validity of resulting shape */
308 if (!BRepAlgo::IsValid((aShape))) {
309 Standard_ConstructionError::Raise("Algorithm has produced an invalid shape result");
313 aFunction->SetValue(aShape);
315 log.SetTouched(Label());
319 //================================================================================
321 * \brief Returns a name of creation operation and names and values of creation parameters
323 //================================================================================
325 bool GEOMImpl_FillingDriver::
326 GetCreationInformation(std::string& theOperationName,
327 std::vector<GEOM_Param>& theParams)
329 if (Label().IsNull()) return 0;
330 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
332 GEOMImpl_IFilling aCI( function );
333 Standard_Integer aType = function->GetType();
335 theOperationName = "FILLING";
340 AddParam( theParams, "Input compound", aCI.GetShapes() );
341 AddParam( theParams, "Method", aCI.GetMethod() );
342 const char* method[3] =
343 { "Standard", "Use edges orientation", "Correct edges orientation" };
344 if ( 0 <= aCI.GetMethod() && aCI.GetMethod() < 3 )
345 theParams[1] << " = " << method[ aCI.GetMethod() ];
346 AddParam( theParams, "Min deg", aCI.GetMinDeg() );
347 AddParam( theParams, "Max deg", aCI.GetMaxDeg() );
348 AddParam( theParams, "Nb. Iter", aCI.GetNbIter() );
349 AddParam( theParams, "Tol. 2D", aCI.GetTol2D() );
350 AddParam( theParams, "Tol. 3D", aCI.GetTol3D() );
351 AddParam( theParams, "Approximation", aCI.GetApprox() );
361 IMPLEMENT_STANDARD_HANDLE (GEOMImpl_FillingDriver,GEOM_BaseDriver);
362 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_FillingDriver,GEOM_BaseDriver);