1 // Created on: 1997-11-21
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepFill_Sweep_HeaderFile
18 #define _BRepFill_Sweep_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Boolean.hxx>
25 #include <Standard_Real.hxx>
26 #include <GeomFill_ApproxStyle.hxx>
27 #include <GeomAbs_Shape.hxx>
28 #include <Standard_Integer.hxx>
29 #include <TopoDS_Shape.hxx>
30 #include <TopTools_HArray2OfShape.hxx>
31 #include <TopTools_DataMapOfShapeShape.hxx>
32 #include <TopTools_ListOfShape.hxx>
33 #include <TopoDS_Wire.hxx>
34 #include <TopTools_MapOfShape.hxx>
35 #include <BRepFill_DataMapOfShapeHArray2OfShape.hxx>
36 #include <BRepFill_TransitionStyle.hxx>
37 class BRepFill_LocationLaw;
38 class BRepFill_SectionLaw;
39 class StdFail_NotDone;
40 class Standard_OutOfRange;
41 class Standard_ConstructionError;
47 //! Topological Sweep Algorithm
48 //! Computes an Sweep shell using a generating
49 //! wire, an SectionLaw and an LocationLaw.
57 Standard_EXPORT BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section, const Handle(BRepFill_LocationLaw)& Location, const Standard_Boolean WithKPart);
59 Standard_EXPORT void SetBounds (const TopoDS_Wire& FirstShape, const TopoDS_Wire& LastShape);
61 //! Set Approximation Tolerance
62 //! Tol3d : Tolerance to surface approximation
63 //! Tol2d : Tolerance used to perform curve approximation
64 //! Normaly the 2d curve are approximated with a
65 //! tolerance given by the resolution on support surfaces,
66 //! but if this tolerance is too large Tol2d is used.
67 //! TolAngular : Tolerance (in radian) to control the angle
68 //! between tangents on the section law and
69 //! tangent of iso-v on approximated surface
70 Standard_EXPORT void SetTolerance (const Standard_Real Tol3d, const Standard_Real BoundTol = 1.0, const Standard_Real Tol2d = 1.0e-5, const Standard_Real TolAngular = 1.0e-2);
72 //! Tolerance To controle Corner management.
74 //! If the discontinuity is lesser than <AngleMin> in radian The
75 //! Transition Performed will be alway "Modified"
76 Standard_EXPORT void SetAngularControl (const Standard_Real AngleMin = 0.01, const Standard_Real AngleMax = 6.0);
78 //! Set the flag that indicates attempt to approximate
79 //! a C1-continuous surface if a swept surface proved
81 Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
83 //! Build the Sweep Surface
84 //! Transition define Transition strategy
85 //! Approx define Approximation Strategy
86 //! - GeomFill_Section : The composed Function Location X Section
87 //! is directly approximated.
88 //! - GeomFill_Location : The location law is approximated, and the
89 //! SweepSurface is bulid algebric composition
90 //! of approximated location law and section law
91 //! This option is Ok, if Section.Surface() methode
93 //! Continuity : The continuity in v waiting on the surface
94 //! Degmax : The maximum degree in v required on the surface
95 //! Segmax : The maximum number of span in v required on
97 Standard_EXPORT void Build (TopTools_MapOfShape& ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape& Tapes, BRepFill_DataMapOfShapeHArray2OfShape& Rails, const BRepFill_TransitionStyle Transition = BRepFill_Modified, const GeomAbs_Shape Continuity = GeomAbs_C2, const GeomFill_ApproxStyle Approx = GeomFill_Location, const Standard_Integer Degmax = 11, const Standard_Integer Segmax = 30);
99 //! Say if the Shape is Build.
100 Standard_EXPORT Standard_Boolean IsDone() const;
102 //! returns the Sweeping Shape
103 Standard_EXPORT TopoDS_Shape Shape() const;
105 //! Get the Approximation error.
106 Standard_EXPORT Standard_Real ErrorOnSurface() const;
108 Standard_EXPORT Handle(TopTools_HArray2OfShape) SubShape() const;
110 Standard_EXPORT Handle(TopTools_HArray2OfShape) InterFaces() const;
112 Standard_EXPORT Handle(TopTools_HArray2OfShape) Sections() const;
114 //! returns the Tape corresponding to Index-th edge of section
115 Standard_EXPORT TopoDS_Shape Tape(const Standard_Integer Index) const;
121 Standard_EXPORT Standard_Boolean CorrectApproxParameters();
123 Standard_EXPORT Standard_Boolean BuildWire (const BRepFill_TransitionStyle Transition);
125 Standard_EXPORT Standard_Boolean BuildShell (const BRepFill_TransitionStyle Transition, const Standard_Integer Vf, const Standard_Integer Vl, TopTools_MapOfShape& ReversedEdges, BRepFill_DataMapOfShapeHArray2OfShape& Tapes, BRepFill_DataMapOfShapeHArray2OfShape& Rails, const Standard_Real ExtendFirst = 0.0, const Standard_Real ExtendLast = 0.0);
127 Standard_EXPORT Standard_Boolean PerformCorner (const Standard_Integer Index, const BRepFill_TransitionStyle Transition, const Handle(TopTools_HArray2OfShape)& Bounds);
129 Standard_EXPORT Standard_Real EvalExtrapol (const Standard_Integer Index, const BRepFill_TransitionStyle Transition) const;
131 Standard_EXPORT Standard_Boolean MergeVertex (const TopoDS_Shape& V1, TopoDS_Shape& V2) const;
133 Standard_EXPORT void UpdateVertex (const Standard_Integer Ipath, const Standard_Integer Isec, const Standard_Real Error, const Standard_Real Param, TopoDS_Shape& V) const;
135 Standard_EXPORT void RebuildTopOrBottomEdge (const TopoDS_Edge& aNewEdge, TopoDS_Edge& anEdge, TopTools_MapOfShape& ReversedEdges) const;
145 Standard_Boolean isDone;
146 Standard_Boolean KPart;
147 Standard_Real myTol3d;
148 Standard_Real myBoundTol;
149 Standard_Real myTol2d;
150 Standard_Real myTolAngular;
151 Standard_Real myAngMin;
152 Standard_Real myAngMax;
153 GeomFill_ApproxStyle myApproxStyle;
154 GeomAbs_Shape myContinuity;
155 Standard_Integer myDegmax;
156 Standard_Integer mySegmax;
157 Standard_Boolean myForceApproxC1;
158 TopoDS_Shape myShape;
159 Handle(BRepFill_LocationLaw) myLoc;
160 Handle(BRepFill_SectionLaw) mySec;
161 Handle(TopTools_HArray2OfShape) myUEdges;
162 Handle(TopTools_HArray2OfShape) myVEdges;
163 TopTools_DataMapOfShapeShape myVEdgesModified;
164 Handle(TopTools_HArray2OfShape) myFaces;
165 TopTools_ListOfShape myAuxShape;
166 Handle(TopTools_HArray1OfShape) myTapes;
168 TopoDS_Wire FirstShape;
169 TopoDS_Wire LastShape;
179 #endif // _BRepFill_Sweep_HeaderFile