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>
40 #include <Interface_Static.hxx>
43 #if defined IGESIMPORT_EXPORTS || defined IGESImport_EXPORTS
45 #define IGESIMPORT_EXPORT __declspec( dllexport )
47 #define IGESIMPORT_EXPORT
51 #define IGESIMPORT_EXPORT __declspec( dllimport )
53 #define IGESIMPORT_EXPORT
57 #define IGESIMPORT_EXPORT
60 //=============================================================================
64 //=============================================================================
69 TopoDS_Shape Import (const TCollection_AsciiString& theFileName,
70 const TCollection_AsciiString& theFormatName,
71 TCollection_AsciiString& theError,
74 IGESControl_Reader aReader;
75 TopoDS_Shape aResShape;
76 Interface_Static::SetCVal("xstep.cascade.unit","M");
78 IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString());
80 if (status == IFSelect_RetDone) {
82 if( theFormatName == "IGES_UNIT" ) {
83 Handle(IGESData_IGESModel) aModel =
84 Handle(IGESData_IGESModel)::DownCast(aReader.Model());
85 gp_Pnt P(1.0,0.0,0.0);
86 if(!aModel.IsNull()) {
87 Handle(TCollection_HAsciiString) aUnitName =
88 aModel->GlobalSection().UnitName();
89 //cout<<"aUnitName = "<<aUnitName->ToCString()<<endl;
90 //cout<<"aUnitFlag = "<<aModel->GlobalSection().UnitFlag()<<endl;
91 if( aUnitName->String()=="MM" ) {
92 P = gp_Pnt(0.001,0.0,0.0);
94 else if( aUnitName->String()=="CM" ) {
95 P = gp_Pnt(0.01,0.0,0.0);
100 B.MakeVertex(V,P,1.e-7);
104 if( theFormatName == "IGES_SCALE" ) {
105 //cout<<"need re-scale a model"<<endl;
106 // set UnitFlag to 'meter'
107 Handle(IGESData_IGESModel) aModel =
108 Handle(IGESData_IGESModel)::DownCast(aReader.Model());
109 if(!aModel.IsNull()) {
110 IGESData_GlobalSection aGS = aModel->GlobalSection();
112 aModel->SetGlobalSection(aGS);
116 MESSAGE("ImportIGES : all Geometry Transfer");
119 // aReader.TransferRoots(false);
120 aReader.ClearShapes();
121 aReader.TransferRoots();
123 MESSAGE("ImportIGES : count of shapes produced = " << aReader.NbShapes());
124 aResShape = aReader.OneShape();
128 // case IFSelect_RetVoid:
129 // theError = "Nothing created or No data to process";
131 // case IFSelect_RetError:
132 // theError = "Error in command or input data";
134 // case IFSelect_RetFail:
135 // theError = "Execution was run, but has failed";
137 // case IFSelect_RetStop:
138 // theError = "Execution has been stopped. Quite possible, an exception was raised";
143 theError = "Wrong format of the imported file. Can't import file.";
147 catch(Standard_Failure) {
148 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
149 theError = aFail->GetMessageString();