1 // Copyright (C) 2007-2021 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, or (at your option) any later version.
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
23 // File : SMESH_DriverShape.cxx
24 // Author : Yoann AUDOUIN, EDF
28 #include <utilities.h>
29 #include <Utils_SALOME_Exception.hxx>
30 #include "SMESH_DriverShape.hxx"
33 #include <STEPControl_Reader.hxx>
34 #include <STEPControl_Writer.hxx>
35 #include <Interface_Static.hxx>
38 #include <BRepTools.hxx>
39 #include <BRep_Builder.hxx>
44 #include <boost/filesystem.hpp>
45 #include <boost/algorithm/string.hpp>
46 namespace fs = boost::filesystem;
49 * @brief Import the content of a shape file (STEP) into a TopDS_Shape object
51 * @param shape_file the shape file
52 * @param aShape the object
56 int importSTEPShape(const std::string shape_file, TopoDS_Shape& aShape){
58 MESSAGE("Importing STEP shape from " << shape_file);
59 STEPControl_Reader reader;
60 // Forcing Unit in meter
61 Interface_Static::SetCVal("xstep.cascade.unit","M");
62 Interface_Static::SetIVal("read.step.ideas", 1);
63 Interface_Static::SetIVal("read.step.nonmanifold", 1);
64 IFSelect_ReturnStatus aStat = reader.ReadFile(shape_file.c_str());
65 if(aStat != IFSelect_RetDone){
66 throw SALOME_Exception("Reading error for " + shape_file);
69 int NbTrans = reader.TransferRoots();
70 // There should be only one shape within the file
72 aShape = reader.OneShape();
78 * @brief Export the content of a TopoDS_Shape into a shape file (STEP)
80 * @param shape_file the shape file
81 * @param aShape the object
85 int exportSTEPShape(const std::string shape_file, const TopoDS_Shape& aShape){
87 MESSAGE("Exporting STEP shape to " << shape_file);
89 STEPControl_Writer aWriter;
90 // Forcing Unit in meter
91 Interface_Static::SetCVal("xstep.cascade.unit","M");
92 Interface_Static::SetCVal("write.step.unit","M");
93 Interface_Static::SetIVal("write.step.nonmanifold", 1);
95 IFSelect_ReturnStatus aStat = aWriter.Transfer(aShape,STEPControl_AsIs);
96 if(aStat != IFSelect_RetDone){
97 throw SALOME_Exception("Reading error for " + shape_file);
100 aStat = aWriter.Write(shape_file.c_str());
102 if(aStat != IFSelect_RetDone){
103 throw SALOME_Exception("Writing error for " + shape_file);
109 * @brief Import the content of a shape file (BREP) into a TopDS_Shape object
111 * @param shape_file the shape file
112 * @param aShape the object
116 int importBREPShape(const std::string shape_file, TopoDS_Shape& aShape){
118 MESSAGE("Importing BREP shape from " << shape_file);
119 BRep_Builder builder;
120 BRepTools::Read(aShape, shape_file.c_str(), builder);
126 * @brief Export the content of a TopoDS_Shape into a shape file (BREP)
128 * @param shape_file the shape file
129 * @param aShape the object
133 int exportBREPShape(const std::string shape_file, const TopoDS_Shape& aShape){
135 MESSAGE("Exporting BREP shape to " << shape_file);
136 BRepTools::Write(aShape, shape_file.c_str());
142 * @brief Import the content of a shape file into a TopDS_Shape object
144 * @param shape_file the shape file
145 * @param aShape the object
149 int importShape(const std::string shape_file, TopoDS_Shape& aShape){
150 std::string type = fs::path(shape_file).extension().string();
151 boost::algorithm::to_lower(type);
152 if (type == ".brep"){
153 return importBREPShape(shape_file, aShape);
154 } else if (type == ".step"){
155 return importSTEPShape(shape_file, aShape);
157 throw SALOME_Exception("Unknow format for importShape: " + type);
162 * @brief Import the content of a shape file into a TopDS_Shape object
164 * @param shape_file the shape file
165 * @param aShape the object
169 int exportShape(const std::string shape_file, const TopoDS_Shape& aShape){
170 std::string type = fs::path(shape_file).extension().string();
171 boost::algorithm::to_lower(type);
172 if (type == ".brep"){
173 return exportBREPShape(shape_file, aShape);
174 } else if (type == ".step"){
175 return exportSTEPShape(shape_file, aShape);
177 throw SALOME_Exception("Unknow format for exportShape: " + type);