1 // Created on: 1994-11-16
2 // Created by: Christian CAILLET
3 // Copyright (c) 1994-1999 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 _IGESSolid_TopoBuilder_HeaderFile
18 #define _IGESSolid_TopoBuilder_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Integer.hxx>
25 #include <TColStd_HSequenceOfTransient.hxx>
26 #include <TColStd_HSequenceOfInteger.hxx>
27 #include <TColgp_HSequenceOfXYZ.hxx>
28 class IGESSolid_ManifoldSolid;
29 class IGESSolid_Shell;
31 class IGESData_IGESEntity;
33 class IGESSolid_EdgeList;
34 class IGESSolid_VertexList;
35 class Standard_DomainError;
39 //! This class manages the creation of an IGES Topologic entity
40 //! (BREP : ManifoldSolid, Shell, Face)
41 //! This includes definiting of Vertex and Edge Lists,
42 //! building of Edges and Loops
43 class IGESSolid_TopoBuilder
50 //! Creates an empty TopoBuilder
51 //! This creates also a unique VertexList and a unique EdgeList,
52 //! empty, but which can be referenced from starting
53 Standard_EXPORT IGESSolid_TopoBuilder();
55 //! Resets the TopoBuilder for an entirely new operation
56 //! (with a new EdgeList, a new VertexList, new Shells, ...)
57 Standard_EXPORT void Clear();
59 //! Adds a Vertex to the VertexList
60 Standard_EXPORT void AddVertex (const gp_XYZ& val);
62 //! Returns the count of already recorded Vertices
63 Standard_EXPORT Standard_Integer NbVertices() const;
65 //! Returns a Vertex, given its rank
66 Standard_EXPORT const gp_XYZ& Vertex (const Standard_Integer num) const;
68 //! Returns the VertexList. It can be referenced, but it remains
69 //! empty until call to EndShell or EndSolid
70 Standard_EXPORT Handle(IGESSolid_VertexList) VertexList() const;
72 //! Adds an Edge (3D) to the EdgeList, defined by a Curve and
73 //! two number of Vertex, for start and end
74 Standard_EXPORT void AddEdge (const Handle(IGESData_IGESEntity)& curve, const Standard_Integer vstart, const Standard_Integer vend);
76 //! Returns the count of recorded Edges (3D)
77 Standard_EXPORT Standard_Integer NbEdges() const;
79 //! Returns the definition of an Edge (3D) given its rank
80 Standard_EXPORT void Edge (const Standard_Integer num, Handle(IGESData_IGESEntity)& curve, Standard_Integer& vstart, Standard_Integer& vend) const;
82 //! Returns the EdgeList. It can be referenced, but it remains
83 //! empty until call to EndShell or EndSolid
84 Standard_EXPORT Handle(IGESSolid_EdgeList) EdgeList() const;
86 //! Begins the definition of a new Loop : it is the Current Loop
87 //! All Edges (UV) defined by MakeEdge/EndEdge will be added in it
88 //! The Loop can then be referenced but is empty. It will be
89 //! filled with its Edges(UV) by EndLoop (from SetOuter/AddInner)
90 Standard_EXPORT void MakeLoop();
92 //! Defines an Edge(UV), to be added in the current Loop by EndEdge
93 //! <edgetype> gives the type of the edge
94 //! <edge3d> identifies the Edge(3D) used as support
95 //! The EdgeList is always the current one
96 //! <orientation gives the orientation flag
97 //! It is then necessary to :
98 //! - give the parametric curves
99 //! - close the definition of this edge(UV) by EndEdge, else
100 //! the next call to MakeEdge will erase this one
101 Standard_EXPORT void MakeEdge (const Standard_Integer edgetype, const Standard_Integer edge3d, const Standard_Integer orientation);
103 //! Adds a Parametric Curve (UV) to the current Edge(UV)
104 Standard_EXPORT void AddCurveUV (const Handle(IGESData_IGESEntity)& curve, const Standard_Integer iso);
106 //! Closes the definition of an Edge(UV) and adds it to the
108 Standard_EXPORT void EndEdge();
110 //! Begins the definition of a new Face, on a surface
111 //! All Loops defined by MakeLoop will be added in it, according
112 //! the closing call : SetOuter for the Outer Loop (by default,
113 //! if SetOuter is not called, no OuterLoop is defined);
114 //! AddInner for the list of Inner Loops (there can be none)
115 Standard_EXPORT void MakeFace (const Handle(IGESData_IGESEntity)& surface);
117 //! Closes the current Loop and sets it Loop as Outer Loop. If no
118 //! current Loop has yet been defined, does nothing.
119 Standard_EXPORT void SetOuter();
121 //! Closes the current Loop and adds it to the list of Inner Loops
122 //! for the current Face
123 Standard_EXPORT void AddInner();
125 //! Closes the definition of the current Face, fills it and adds
126 //! it to the current Shell with an orientation flag (0/1)
127 Standard_EXPORT void EndFace (const Standard_Integer orientation);
129 //! Begins the definition of a new Shell (either Simple or in a
131 Standard_EXPORT void MakeShell();
133 //! Closes the whole definition as that of a simple Shell
134 Standard_EXPORT void EndSimpleShell();
136 //! Closes the definition of the current Shell as for the Main
137 //! Shell of a Solid, with an orientation flag (0/1)
138 Standard_EXPORT void SetMainShell (const Standard_Integer orientation);
140 //! Closes the definition of the current Shell and adds it to the
141 //! list of Void Shells of a Solid, with an orientation flag (0/1)
142 Standard_EXPORT void AddVoidShell (const Standard_Integer orientation);
144 //! Closes the whole definition as that of a ManifoldSolid
145 //! Its call is exclusive from that of EndSimpleShell
146 Standard_EXPORT void EndSolid();
148 //! Returns the current Shell. The current Shell is created empty
149 //! by MakeShell and filled by EndShell
150 Standard_EXPORT Handle(IGESSolid_Shell) Shell() const;
152 //! Returns the current ManifoldSolid. It is created empty by
153 //! Create and filled by EndSolid
154 Standard_EXPORT Handle(IGESSolid_ManifoldSolid) Solid() const;
162 //! Closes the definition of Vertex and Edge Lists
163 //! Warning : Called only by EndSimpleShell and EndSolid
164 Standard_EXPORT void EndLists();
166 //! Closes the definition of a Loop and fills it
167 //! Warning : EndLoop should not be called directly but through
168 //! SetOuter or AddInner, which work on the current Face
169 Standard_EXPORT void EndLoop();
171 //! Closes the definition of the current Shell
172 //! Warning : EndShell should not be called directly but through
173 //! EndSimpleShell (for a simple Shell), SetMainShell (for main
174 //! Shell of a Solid) or AddVoidShell (to a Solid)
175 Standard_EXPORT void EndShell();
184 Handle(IGESSolid_ManifoldSolid) thesolid;
185 Handle(IGESSolid_Shell) themains;
186 Standard_Boolean themflag;
187 Handle(TColStd_HSequenceOfTransient) thevoids;
188 Handle(TColStd_HSequenceOfInteger) thevflag;
189 Handle(IGESSolid_Shell) theshell;
190 Handle(TColStd_HSequenceOfTransient) thefaces;
191 Handle(TColStd_HSequenceOfInteger) thefflag;
192 Handle(IGESSolid_Face) theface;
193 Handle(IGESData_IGESEntity) thesurf;
194 Standard_Boolean theouter;
195 Handle(TColStd_HSequenceOfTransient) theinner;
196 Handle(IGESSolid_Loop) theloop;
197 Handle(TColStd_HSequenceOfInteger) theetype;
198 Handle(TColStd_HSequenceOfInteger) thee3d;
199 Handle(TColStd_HSequenceOfInteger) theeflag;
200 Handle(TColStd_HSequenceOfTransient) theeuv;
201 Handle(TColStd_HSequenceOfInteger) theisol;
202 Handle(TColStd_HSequenceOfTransient) thecuruv;
203 Handle(TColStd_HSequenceOfTransient) theiso;
204 Handle(IGESSolid_EdgeList) theedgel;
205 Handle(TColStd_HSequenceOfTransient) thecur3d;
206 Handle(TColStd_HSequenceOfInteger) thevstar;
207 Handle(TColStd_HSequenceOfInteger) thevend;
208 Handle(IGESSolid_VertexList) thevertl;
209 Handle(TColgp_HSequenceOfXYZ) thepoint;
220 #endif // _IGESSolid_TopoBuilder_HeaderFile