1 // Created on: 1994-09-01
2 // Created by: Marie Jose MARTZ
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 _IGESToBRep_Reader_HeaderFile
18 #define _IGESToBRep_Reader_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Boolean.hxx>
25 #include <TopTools_SequenceOfShape.hxx>
26 #include <Standard_Integer.hxx>
27 #include <Standard_CString.hxx>
28 #include <Standard_Real.hxx>
29 #include <Message_ProgressRange.hxx>
31 class IGESData_IGESModel;
32 class IGESToBRep_Actor;
33 class Transfer_TransientProcess;
36 //! A simple way to read geometric IGES data.
37 //! Encapsulates reading file and calling transfer tools
38 class IGESToBRep_Reader
46 Standard_EXPORT IGESToBRep_Reader();
48 //! Loads a Model from a file.Returns 0 if success.
49 //! returns 1 if the file could not be opened,
50 //! returns -1 if an error occurred while the file was being loaded.
51 Standard_EXPORT Standard_Integer LoadFile (const Standard_CString filename);
53 //! Specifies a Model to work on
54 //! Also clears the result and Done status, sets TransientProcess
55 Standard_EXPORT void SetModel (const Handle(IGESData_IGESModel)& model);
57 //! Returns the Model to be worked on.
58 Standard_EXPORT Handle(IGESData_IGESModel) Model() const;
60 //! Allows to set an already defined TransientProcess
61 //! (to be called after LoadFile or SetModel)
62 Standard_EXPORT void SetTransientProcess (const Handle(Transfer_TransientProcess)& TP);
64 //! Returns the TransientProcess
65 Standard_EXPORT Handle(Transfer_TransientProcess) TransientProcess() const;
67 //! Returns "theActor"
68 Standard_EXPORT Handle(IGESToBRep_Actor) Actor() const;
70 //! Clears the results between two translation operations.
71 Standard_EXPORT void Clear();
73 //! Checks the IGES file that was
74 //! loaded into memory. Displays error messages in the default
75 //! message file if withprint is true. Returns True if no fail
76 //! message was found and False if there was at least one fail message.
77 Standard_EXPORT Standard_Boolean Check (const Standard_Boolean withprint) const;
79 //! Translates root entities in an
80 //! IGES file. Standard_True is the default value and means that only
81 //! visible root entities are translated. Standard_False
82 //! translates all of the roots (visible and invisible).
83 Standard_EXPORT void TransferRoots (const Standard_Boolean onlyvisible = Standard_True,
84 const Message_ProgressRange& theProgress = Message_ProgressRange());
86 //! Transfers an Entity given its rank in the Model (Root or not)
87 //! Returns True if it is recognized as Geom-Topol.
88 //! (But it can have failed : see IsDone)
89 Standard_EXPORT Standard_Boolean Transfer (const Standard_Integer num,
90 const Message_ProgressRange& theProgress = Message_ProgressRange());
92 //! Returns True if the LAST Transfer/TransferRoots was a success
93 Standard_EXPORT Standard_Boolean IsDone() const;
95 //! Returns the Tolerance which has been actually used, converted
97 //! (either that from File or that from Session, according the mode)
98 Standard_EXPORT Standard_Real UsedTolerance() const;
100 //! Returns the number of shapes produced by the translation.
101 Standard_EXPORT Standard_Integer NbShapes() const;
103 //! Returns the num the resulting shape in a translation operation.
104 Standard_EXPORT TopoDS_Shape Shape (const Standard_Integer num = 1) const;
106 //! Returns all of the results in a
107 //! single shape which is:
108 //! - a null shape if there are no results,
109 //! - a shape if there is one result,
110 //! - a compound containing the resulting shapes if there are several.
111 Standard_EXPORT TopoDS_Shape OneShape() const;
126 Handle(IGESData_IGESModel) theModel;
127 Standard_Boolean theDone;
128 TopTools_SequenceOfShape theShapes;
129 Handle(IGESToBRep_Actor) theActor;
130 Handle(Transfer_TransientProcess) theProc;
141 #endif // _IGESToBRep_Reader_HeaderFile