1 // Copyright (C) 2007-2019 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 <BRepAlgo.hxx>
32 #include <BRepBuilderAPI_Copy.hxx>
33 #include <BRepBuilderAPI_MakeFace.hxx>
34 #include <BRep_Builder.hxx>
35 #include <BRep_Tool.hxx>
36 #include <BRepOffsetAPI_MakeFilling.hxx>
38 #include <GeomAPI_PointsToBSpline.hxx>
39 #include <GeomAPI_PointsToBSplineSurface.hxx>
40 #include <GeomFill_AppSurf.hxx>
41 #include <GeomFill_Line.hxx>
42 #include <GeomFill_SectionGenerator.hxx>
43 #include <Geom_BSplineCurve.hxx>
44 #include <Geom_BSplineSurface.hxx>
45 #include <Geom_BezierCurve.hxx>
46 #include <Geom_Circle.hxx>
47 #include <Geom_Curve.hxx>
48 #include <Geom_Ellipse.hxx>
49 #include <Geom_Line.hxx>
50 #include <Geom_Surface.hxx>
51 #include <Geom_TrimmedCurve.hxx>
53 #include <Precision.hxx>
54 #include <ShapeFix_Face.hxx>
56 #include <TColGeom_SequenceOfCurve.hxx>
57 #include <TColgp_Array1OfPnt.hxx>
58 #include <TColgp_SequenceOfPnt.hxx>
61 #include <TopExp_Explorer.hxx>
62 #include <TopTools_SequenceOfShape.hxx>
64 #include <TopoDS_Compound.hxx>
65 #include <TopoDS_Edge.hxx>
66 #include <TopoDS_Face.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(Handle(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;
101 GEOMImpl_IFilling IF (aFunction);
102 if( aFunction->GetType() == BASIC_FILLING )
104 GEOMImpl_IFilling IF (aFunction);
105 Standard_Integer mindeg = IF.GetMinDeg();
106 Standard_Integer maxdeg = IF.GetMaxDeg();
107 Standard_Real tol3d = IF.GetTol3D();
108 Standard_Boolean isApprox = IF.GetApprox();
110 if (mindeg > maxdeg) {
111 Standard_RangeError::Raise("Minimal degree can not be more than maximal degree");
114 /* we verify the contents of the shape */
116 TopoDS_Shape Scurrent;
117 Standard_Real First, Last;
118 Handle(Geom_Curve) C;
120 TopoDS_Compound aComp;
122 B.MakeCompound(aComp);
124 // input is either a list or compound of contours
125 TopTools_SequenceOfShape contours;
126 Handle(TColStd_HSequenceOfTransient) aShapeFunctions = IF.GetShapes();
127 if ( aShapeFunctions.IsNull() || aShapeFunctions->IsEmpty() ) return 0;
128 for ( int i = 1; i <= aShapeFunctions->Length(); ++i )
130 Handle(GEOM_Function) fun = Handle(GEOM_Function)::DownCast( aShapeFunctions->Value( i ));
131 if ( fun.IsNull() ) return 0;
132 TopoDS_Shape s = fun->GetValue();
133 if ( s.IsNull() ) return 0;
134 BRepBuilderAPI_Copy Copy (s);
136 contours.Append( Copy.Shape() );
139 // 1. Convert argument wires, if any, into BSpline edges
140 for ( int i = 1; i <= contours.Length(); ++i )
142 Scurrent = contours.Value( i );
143 if (Scurrent.ShapeType() != TopAbs_EDGE) {
145 if (Scurrent.ShapeType() == TopAbs_WIRE)
147 const TopoDS_Wire& CurWire = TopoDS::Wire(Scurrent);
148 TopoDS_Edge NewEdge = BRepAlgo::ConcatenateWireC0(CurWire);
149 if (NewEdge.IsNull())
150 Standard_ConstructionError::Raise("Failed to join several edges into one");
153 else if (Scurrent.ShapeType() == TopAbs_COMPOUND)
155 for ( TopoDS_Iterator It( Scurrent ); It.More(); It.Next() )
156 contours.Append( It.Value() );
161 Standard_ConstructionError::Raise("Input must contain only edges or/and wires");
164 B.Add(aComp,Scurrent);
168 // 2. The surface construction
170 // make filling as in old version of SALOME (before 4.1.1)
172 Standard_Real tol2d = IF.GetTol2D();
173 Standard_Integer nbiter = IF.GetNbIter();
174 Standard_Integer aMethod = IF.GetMethod();
176 GeomFill_SectionGenerator Section;
177 Standard_Integer aNumSection = 0;
178 Handle(Geom_Curve) aLastC;
180 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
181 Scurrent = Ex.Current();
182 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
183 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
184 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
185 //if (Scurrent.Orientation() == TopAbs_REVERSED)
186 // // Mantis isuue 0020659: consider the orientation of the edges
187 // C = new Geom_TrimmedCurve(C, Last, First);
189 // C = new Geom_TrimmedCurve(C, First, Last);
190 C = new Geom_TrimmedCurve(C, First, Last);
195 if (aMethod == 1 && Scurrent.Orientation() == TopAbs_REVERSED) {
198 else if (aMethod == 2) {
199 if (aNumSection == 0) {
204 double d1 = PL1.Distance(P1) + PL2.Distance(P2);
205 double d2 = PL1.Distance(P2) + PL2.Distance(P1);
222 /* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
223 Section.Perform(Precision::PConfusion());
224 //imn: to fix the bug 23351: "Crash is filling has only one edge"
225 //after fix related occt bug 27875 must be removed
226 if (aNumSection < 2) {
227 Standard_ConstructionError::Raise("Input must contain more than one edge");
229 Handle(GeomFill_Line) Line = new GeomFill_Line(aNumSection);
231 GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
232 App.Perform(Line, Section);
234 if (!App.IsDone()) return 0;
235 Standard_Integer UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots;
236 App.SurfShape(UDegree, VDegree, NbUPoles, NbVPoles, NbUKnots, NbVKnots);
237 Handle(Geom_BSplineSurface) GBS = new Geom_BSplineSurface
238 (App.SurfPoles(), App.SurfWeights(), App.SurfUKnots(), App.SurfVKnots(),
239 App.SurfUMults(), App.SurfVMults(), App.UDegree(), App.VDegree());
241 if (GBS.IsNull()) return 0;
242 aShape = BRepBuilderAPI_MakeFace(GBS, Precision::Confusion());
245 // implemented by skl 20.03.2008 for bug 16568
246 // make approximation - try to create bspline surface
247 // using GeomAPI_PointsToBSplineSurface
249 TColGeom_SequenceOfCurve aSeq;
252 // add curves from edges to sequence and find maximal
253 // number of poles if some of them are bsplines
254 for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
255 Scurrent = Ex.Current();
256 if (Scurrent.IsNull() || Scurrent.ShapeType() != TopAbs_EDGE) return 0;
257 if (BRep_Tool::Degenerated(TopoDS::Edge(Scurrent))) continue;
258 C = BRep_Tool::Curve(TopoDS::Edge(Scurrent), First, Last);
259 Handle(Geom_TrimmedCurve) TC = Handle(Geom_TrimmedCurve)::DownCast(C);
261 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(C);
263 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
267 Handle(Geom_BSplineCurve) BC = Handle(Geom_BSplineCurve)::DownCast(TC->BasisCurve());
269 Handle(Geom_TrimmedCurve) TC1 = Handle(Geom_TrimmedCurve)::DownCast(TC->BasisCurve());
271 BC = Handle(Geom_BSplineCurve)::DownCast(TC1->BasisCurve());
275 MaxNbPoles = Max(MaxNbPoles,BC->NbPoles());
280 // prepare array of points for creation bspline surface
281 // size of this array: by U parameter - number of curves,
282 // by V parameter - determ using MaxNbPoles but it's
283 // value must be between 21(min) and 101(max)
284 int nbc = aSeq.Length();
285 int nbp = Max(21, 2*MaxNbPoles-1);
287 // commented for Mantis issue 0021541
288 //if (nbp > 101) nbp = 101;
290 TColgp_Array2OfPnt Points (1, nbc, 1, nbp);
292 for (; ic <= nbc; ic++) {
293 Handle(Geom_Curve) C = aSeq.Value(ic);
294 double fp = C->FirstParameter();
295 double lp = C->LastParameter();
296 double dp = (lp-fp)/(nbp-1);
299 for (; j < nbp; j++) {
301 Points.SetValue(ic, j+1, P);
304 GeomAPI_PointsToBSplineSurface PTB (Points, mindeg, maxdeg, GeomAbs_C2, tol3d);
305 Handle(Geom_BSplineSurface) BS = PTB.Surface();
306 BRepBuilderAPI_MakeFace BB (BS, Precision::Confusion());
307 TopoDS_Face NewF = BB.Face();
308 Handle(ShapeFix_Face) sff = new ShapeFix_Face (NewF);
310 sff->FixOrientation();
311 aShape = sff->Face();
314 else if( aFunction->GetType() == FILLING_ON_CONSTRAINTS )
316 BRepOffsetAPI_MakeFilling MakeFilling;
318 Handle(TColStd_HSequenceOfTransient) aConstraints = IF.GetShapes();
320 for ( int ind = 1; ind <= aConstraints->Length(); ind++ ) {
323 Handle(GEOM_Function) aRefShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind) );
324 if ( !aRefShape->GetValue().IsNull() && aRefShape->GetValue().ShapeType() == TopAbs_EDGE )
325 E = TopoDS::Edge(aRefShape->GetValue() );
327 Standard_RangeError::Raise("Wrong parameters");
329 if ( ind < aConstraints->Length() ) {
330 Handle(GEOM_Function) aRefFaceShape = Handle(GEOM_Function)::DownCast( aConstraints->Value(ind+1) );
331 if ( !aRefFaceShape->GetValue().IsNull() && aRefFaceShape->GetValue().ShapeType() == TopAbs_FACE ) {
332 F = TopoDS::Face( aRefFaceShape->GetValue() );
337 MakeFilling.Add( E, F, GeomAbs_G1 );
339 MakeFilling.Add( E, GeomAbs_C0 );
343 if ( !MakeFilling.IsDone() )
345 Standard_RangeError::Raise("Filling on constraints failed");
348 aShape = TopoDS::Face( MakeFilling.Shape() );
351 /* We test the validity of resulting shape */
352 if (!BRepAlgo::IsValid((aShape))) {
353 Standard_ConstructionError::Raise("Algorithm has produced an invalid shape result");
356 aFunction->SetValue(aShape);
358 log->SetTouched(Label());
362 //================================================================================
364 * \brief Returns a name of creation operation and names and values of creation parameters
366 //================================================================================
368 bool GEOMImpl_FillingDriver::
369 GetCreationInformation(std::string& theOperationName,
370 std::vector<GEOM_Param>& theParams)
372 if (Label().IsNull()) return 0;
373 Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
375 GEOMImpl_IFilling aCI( function );
376 Standard_Integer aType = function->GetType();
378 theOperationName = "FILLING";
383 AddParam( theParams, "Input compound", aCI.GetShapes() );
384 AddParam( theParams, "Method", aCI.GetMethod() );
385 const char* method[3] =
386 { "Standard", "Use edges orientation", "Correct edges orientation" };
387 if ( 0 <= aCI.GetMethod() && aCI.GetMethod() < 3 )
388 theParams[1] << " = " << method[ aCI.GetMethod() ];
389 AddParam( theParams, "Min deg", aCI.GetMinDeg() );
390 AddParam( theParams, "Max deg", aCI.GetMaxDeg() );
391 AddParam( theParams, "Nb. Iter", aCI.GetNbIter() );
392 AddParam( theParams, "Tol. 2D", aCI.GetTol2D() );
393 AddParam( theParams, "Tol. 3D", aCI.GetTol3D() );
394 AddParam( theParams, "Approximation", aCI.GetApprox() );
397 case FILLING_ON_CONSTRAINTS:
399 theOperationName = "FACE";
400 AddParam( theParams, "Edges/Faces", aCI.GetShapes() );
410 IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_FillingDriver,GEOM_BaseDriver);