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 <Basics_Utils.hxx>
31 #include <BRep_Builder.hxx>
33 #include <IFSelect_ReturnStatus.hxx>
35 #include <STEPControl_Reader.hxx>
37 #include <TCollection_AsciiString.hxx>
38 #include <TopoDS_Compound.hxx>
39 #include <TopoDS_Shape.hxx>
40 #include <TDF_Label.hxx>
41 #include <Interface_Static.hxx>
43 #include <Standard_Failure.hxx>
44 #include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
47 #if defined STEPIMPORT_EXPORTS || defined STEPImport_EXPORTS
49 #define STEPIMPORT_EXPORT __declspec( dllexport )
51 #define STEPIMPORT_EXPORT
55 #define STEPIMPORT_EXPORT __declspec( dllimport )
57 #define STEPIMPORT_EXPORT
61 #define STEPIMPORT_EXPORT
64 //=============================================================================
68 //=============================================================================
73 TopoDS_Shape Import (const TCollection_AsciiString& theFileName,
74 const TCollection_AsciiString& /*theFormatName*/,
75 TCollection_AsciiString& theError,
78 MESSAGE("Import STEP model from file " << theFileName.ToCString());
79 // Set "C" numeric locale to save numbers correctly
80 Kernel_Utils::Localizer loc;
81 TopoDS_Shape aResShape;
82 //VRV: OCC 4.0 migration
83 STEPControl_Reader aReader;
84 //VSR: 16/09/09: Convert to METERS
85 Interface_Static::SetCVal("xstep.cascade.unit","M");
86 //VRV: OCC 4.0 migration
87 TopoDS_Compound compound;
89 B.MakeCompound( compound );
91 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
94 IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());
96 if (status == IFSelect_RetDone) {
97 Standard_Boolean failsonly = Standard_False ;
98 aReader.PrintCheckLoad (failsonly, IFSelect_ItemsByEntity);
100 Standard_Integer nbr = aReader.NbRootsForTransfer();
101 aReader.PrintCheckTransfer (failsonly, IFSelect_ItemsByEntity);
103 for ( Standard_Integer n=1; n <= nbr; n++) {
104 Standard_Boolean ok = aReader.TransferRoot(n);
105 /* Collecting resulting entities */
106 Standard_Integer nbs = aReader.NbShapes();
109 // THROW_SALOME_CORBA_EXCEPTION("Exception catched in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM);
110 continue; // skip empty root
112 /* For a single entity */
113 else if (nbr == 1 && nbs == 1) {
114 aResShape = aReader.Shape(1);
118 for ( Standard_Integer i=1; i<=nbs; i++ ) {
119 TopoDS_Shape aShape = aReader.Shape(i);
120 if ( aShape.IsNull() ) {
121 // THROW_SALOME_CORBA_EXCEPTION("Null shape in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM) ;
126 B.Add( compound, aShape ) ;
130 if ( aResShape.IsNull() )
131 aResShape = compound;
135 // case IFSelect_RetVoid:
136 // theError = "Nothing created or No data to process";
138 // case IFSelect_RetError:
139 // theError = "Error in command or input data";
141 // case IFSelect_RetFail:
142 // theError = "Execution was run, but has failed";
144 // case IFSelect_RetStop:
145 // theError = "Execution has been stopped. Quite possible, an exception was raised";
150 theError = "Wrong format of the imported file. Can't import file.";
154 catch (Standard_Failure) {
155 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
156 theError = aFail->GetMessageString();
159 // Return previous locale