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: IGESImport.cxx
23 // Created: Wed May 19 14:36:35 2004
24 // Author: Pavel TELKOV
25 // <ptv@mutex.nnov.opencascade.com>
27 #include "utilities.h"
29 #include <IFSelect_ReturnStatus.hxx>
30 #include <IGESControl_Reader.hxx>
31 #include <IGESData_IGESModel.hxx>
33 #include <TCollection_HAsciiString.hxx>
34 #include <TopoDS_Shape.hxx>
35 #include <TDF_Label.hxx>
37 #include <TopoDS_Vertex.hxx>
38 #include <BRep_Builder.hxx>
42 #if defined IGESIMPORT_EXPORTS || defined IGESImport_EXPORTS
44 #define IGESIMPORT_EXPORT __declspec( dllexport )
46 #define IGESIMPORT_EXPORT
50 #define IGESIMPORT_EXPORT __declspec( dllimport )
52 #define IGESIMPORT_EXPORT
56 #define IGESIMPORT_EXPORT
59 //=============================================================================
63 //=============================================================================
68 TopoDS_Shape Import (const TCollection_AsciiString& theFileName,
69 const TCollection_AsciiString& theFormatName,
70 TCollection_AsciiString& theError,
73 IGESControl_Reader aReader;
74 TopoDS_Shape aResShape;
76 IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());
78 if (status == IFSelect_RetDone) {
80 if( theFormatName == "IGES_UNIT" ) {
81 Handle(IGESData_IGESModel) aModel =
82 Handle(IGESData_IGESModel)::DownCast(aReader.Model());
83 gp_Pnt P(1.0,0.0,0.0);
84 if(!aModel.IsNull()) {
85 Handle(TCollection_HAsciiString) aUnitName =
86 aModel->GlobalSection().UnitName();
87 //cout<<"aUnitName = "<<aUnitName->ToCString()<<endl;
88 //cout<<"aUnitFlag = "<<aModel->GlobalSection().UnitFlag()<<endl;
89 if( aUnitName->String()=="MM" ) {
90 P = gp_Pnt(0.001,0.0,0.0);
92 else if( aUnitName->String()=="CM" ) {
93 P = gp_Pnt(0.01,0.0,0.0);
98 B.MakeVertex(V,P,1.e-7);
102 if( theFormatName == "IGES_SCALE" ) {
103 //cout<<"need re-scale a model"<<endl;
104 // set UnitFlag to 'meter'
105 Handle(IGESData_IGESModel) aModel =
106 Handle(IGESData_IGESModel)::DownCast(aReader.Model());
107 if(!aModel.IsNull()) {
108 IGESData_GlobalSection aGS = aModel->GlobalSection();
110 aModel->SetGlobalSection(aGS);
114 MESSAGE("ImportIGES : all Geometry Transfer");
117 // aReader.TransferRoots(false);
118 aReader.ClearShapes();
119 aReader.TransferRoots();
121 MESSAGE("ImportIGES : count of shapes produced = " << aReader.NbShapes());
122 aResShape = aReader.OneShape();
126 // case IFSelect_RetVoid:
127 // theError = "Nothing created or No data to process";
129 // case IFSelect_RetError:
130 // theError = "Error in command or input data";
132 // case IFSelect_RetFail:
133 // theError = "Execution was run, but has failed";
135 // case IFSelect_RetStop:
136 // theError = "Execution has been stopped. Quite possible, an exception was raised";
141 theError = "Wrong format of the imported file. Can't import file.";
145 catch(Standard_Failure) {
146 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
147 theError = aFail->GetMessageString();