1 // Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
2 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License.
9 // This library is distributed in the hope that it will be useful
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 #include <Standard_Stream.hxx>
23 #include <GEOMImpl_FillingDriver.hxx>
24 #include <GEOM_Function.hxx>
25 #include <GEOMImpl_IFilling.hxx>
26 #include <GEOMImpl_Types.hxx>
28 #include <BRep_Tool.hxx>
29 #include <BRepAlgo.hxx>
30 #include <BRepBuilderAPI_MakeFace.hxx>
34 #include <TopoDS_Shape.hxx>
35 #include <TopExp_Explorer.hxx>
37 #include <Geom_Curve.hxx>
38 #include <Geom_Surface.hxx>
39 #include <Geom_TrimmedCurve.hxx>
40 #include <Geom_BSplineSurface.hxx>
41 #include <GeomFill_Line.hxx>
42 #include <GeomFill_AppSurf.hxx>
43 #include <GeomFill_SectionGenerator.hxx>
45 #include <Precision.hxx>
46 #include <Standard_ConstructionError.hxx>
48 //=======================================================================
51 //=======================================================================
52 const Standard_GUID& GEOMImpl_FillingDriver::GetID()
54 static Standard_GUID aFillingDriver ("FF1BBB62-5D14-4df2-980B-3A668264EA16");
55 return aFillingDriver;
59 //=======================================================================
60 //function : GEOMImpl_FillingDriver
62 //=======================================================================
64 GEOMImpl_FillingDriver::GEOMImpl_FillingDriver()
68 //=======================================================================
71 //=======================================================================
72 Standard_Integer GEOMImpl_FillingDriver::Execute(TFunction_Logbook& log) const
74 if (Label().IsNull()) return 0;
75 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
76 if (aFunction.IsNull()) return 0;
78 if (aFunction->GetType() != BASIC_FILLING) return 0;
80 GEOMImpl_IFilling IF (aFunction);
81 Handle(GEOM_Function) aShapeFunction = IF.GetShape();
82 if (aShapeFunction.IsNull()) return 0;
83 TopoDS_Shape aShape = aShapeFunction->GetValue();
84 if (aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND) return 0;
86 Standard_Integer mindeg = IF.GetMinDeg();
87 Standard_Integer maxdeg = IF.GetMaxDeg();
88 Standard_Real tol3d = IF.GetTol2D();
89 Standard_Real tol2d = IF.GetTol3D();
90 Standard_Integer nbiter = IF.GetNbIter();
91 Standard_Boolean isApprox = IF.GetApprox();
93 if (mindeg > maxdeg) {
94 Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
97 /* we verify the contents of the shape */
99 TopoDS_Shape Scurrent;
100 Standard_Real First, Last;
101 Handle(Geom_Curve) C;
102 GeomFill_SectionGenerator Section;
104 Standard_Integer i = 0;
105 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
106 Scurrent = Ex.Current() ;
107 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
108 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
109 C = new Geom_TrimmedCurve(C, First, Last);
114 /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
115 Section.Perform(Precision::Confusion());
116 Handle(GeomFill_Line) Line = new GeomFill_Line(i);
118 GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
119 App.Perform(Line, Section, isApprox);
121 if (!App.IsDone()) return 0;
122 Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
123 App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
124 Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
125 (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
126 App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
128 if (GBS.IsNull()) return 0;
129 aShape = BRepBuilderAPI_MakeFace(GBS);
131 /* We test the validity of resulting shape */
132 if (!BRepAlgo::IsValid((aShape))) {
133 Standard_ConstructionError::Raise("Algorithm have produced an invalid shape result");
137 aFunction->SetValue(aShape);
139 log.SetTouched(Label());
144 //=======================================================================
145 //function : GEOMImpl_FillingDriver_Type_
147 //=======================================================================
148 Standard_EXPORT Handle_Standard_Type& GEOMImpl_FillingDriver_Type_()
151 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
152 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
153 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
154 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
155 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
156 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
159 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
160 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_FillingDriver",
161 sizeof(GEOMImpl_FillingDriver),
163 (Standard_Address)_Ancestors,
164 (Standard_Address)NULL);
169 //=======================================================================
170 //function : DownCast
172 //=======================================================================
174 const Handle(GEOMImpl_FillingDriver) Handle(GEOMImpl_FillingDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
176 Handle(GEOMImpl_FillingDriver) _anOtherObject;
178 if (!AnObject.IsNull()) {
179 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_FillingDriver))) {
180 _anOtherObject = Handle(GEOMImpl_FillingDriver)((Handle(GEOMImpl_FillingDriver)&)AnObject);
184 return _anOtherObject ;