1 // Copyright (C) 2007-2008 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.
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
22 // File: STEPImport.cxx
23 // Created: Wed May 19 14:41:10 2004
24 // Author: Pavel TELKOV
25 // <ptv@mutex.nnov.opencascade.com>
27 #include "utilities.h"
29 #include <BRep_Builder.hxx>
31 #include <IFSelect_ReturnStatus.hxx>
33 #include <STEPControl_Reader.hxx>
35 #include <TCollection_AsciiString.hxx>
36 #include <TopoDS_Compound.hxx>
37 #include <TopoDS_Shape.hxx>
38 #include <TDF_Label.hxx>
39 #include <Interface_Static.hxx>
41 #include <Standard_Failure.hxx>
42 #include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
45 #if defined STEPIMPORT_EXPORTS || defined STEPImport_EXPORTS
47 #define STEPIMPORT_EXPORT __declspec( dllexport )
49 #define STEPIMPORT_EXPORT
53 #define STEPIMPORT_EXPORT __declspec( dllimport )
55 #define STEPIMPORT_EXPORT
59 #define STEPIMPORT_EXPORT
62 //=============================================================================
66 //=============================================================================
71 TopoDS_Shape Import (const TCollection_AsciiString& theFileName,
72 const TCollection_AsciiString& /*theFormatName*/,
73 TCollection_AsciiString& theError,
76 MESSAGE("Import STEP model from file " << theFileName.ToCString());
77 TopoDS_Shape aResShape;
78 //VRV: OCC 4.0 migration
79 STEPControl_Reader aReader;
80 //VSR: 16/09/09: Convert to METERS
81 Interface_Static::SetCVal("xstep.cascade.unit","M");
82 //VRV: OCC 4.0 migration
83 TopoDS_Compound compound;
85 B.MakeCompound( compound );
87 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
90 IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());
92 if (status == IFSelect_RetDone) {
93 Standard_Boolean failsonly = Standard_False ;
94 aReader.PrintCheckLoad (failsonly, IFSelect_ItemsByEntity);
96 Standard_Integer nbr = aReader.NbRootsForTransfer();
97 aReader.PrintCheckTransfer (failsonly, IFSelect_ItemsByEntity);
99 for ( Standard_Integer n=1; n <= nbr; n++) {
100 Standard_Boolean ok = aReader.TransferRoot(n);
101 /* Collecting resulting entities */
102 Standard_Integer nbs = aReader.NbShapes();
105 // THROW_SALOME_CORBA_EXCEPTION("Exception catched in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM);
106 continue; // skip empty root
108 /* For a single entity */
109 else if (nbr == 1 && nbs == 1) {
110 aResShape = aReader.Shape(1);
114 for ( Standard_Integer i=1; i<=nbs; i++ ) {
115 TopoDS_Shape aShape = aReader.Shape(i);
116 if ( aShape.IsNull() ) {
117 // THROW_SALOME_CORBA_EXCEPTION("Null shape in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM) ;
122 B.Add( compound, aShape ) ;
126 if ( aResShape.IsNull() )
127 aResShape = compound;
131 // case IFSelect_RetVoid:
132 // theError = "Nothing created or No data to process";
134 // case IFSelect_RetError:
135 // theError = "Error in command or input data";
137 // case IFSelect_RetFail:
138 // theError = "Execution was run, but has failed";
140 // case IFSelect_RetStop:
141 // theError = "Execution has been stopped. Quite possible, an exception was raised";
146 theError = "Wrong format of the imported file. Can't import file.";
150 catch (Standard_Failure) {
151 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
152 theError = aFail->GetMessageString();