# create a mesh
tetra = smesh.Mesh(box, "MeshBox")
-
-algo1D = tetra.Segment()
-algo1D.NumberOfSegments(7)
-
-algo2D = tetra.Triangle()
-algo2D.MaxElementArea(800.)
-
-algo3D = tetra.Tetrahedron()
-algo3D.MaxElementVolume(900.)
+tetra.Segment().NumberOfSegments(7)
+tetra.Triangle()
+tetra.Tetrahedron()
# compute the mesh
tetra.Compute()
# export the mesh in a MED file
-tetra.ExportMED("/tmp/meshMED.med", 0)
+import tempfile
+medFile = tempfile.NamedTemporaryFile(suffix=".med").name
+tetra.ExportMED( medFile, 0 )
# export a group in a MED file
face = geompy.SubShapeAll( box, geompy.ShapeType["FACE"])[0] # a box side
group = tetra.GroupOnGeom( face, "face group" ) # group of 2D elements on the <face>
-tetra.ExportMED("/tmp/groupMED.med", meshPart=group)
+tetra.ExportMED( medFile, meshPart=group )
+
+# ========================
+# autoDimension parameter
+# ========================
+
+face = geompy.MakeFaceHW( 10, 10, 1, "rectangle" )
+mesh2D = smesh.Mesh( face, "mesh2D" )
+mesh2D.AutomaticHexahedralization(0)
+
+import MEDLoader, os
+
+# exported mesh is in 2D space because it is a planar mesh lying
+# on XOY plane, and autoDimension=True by default
+mesh2D.ExportMED( medFile )
+medMesh = MEDLoader.MEDLoader.ReadUMeshFromFile(medFile,mesh2D.GetName(),0)
+print "autoDimension==True, exported mesh is in %sD"%medMesh.getSpaceDimension()
+
+# exported mesh is in 3D space, same as in Mesh module,
+# thanks to autoDimension=False
+mesh2D.ExportMED( medFile, autoDimension=False )
+medMesh = MEDLoader.MEDLoader.ReadUMeshFromFile(medFile,mesh2D.GetName(),0)
+print "autoDimension==False, exported mesh is in %sD"%medMesh.getSpaceDimension()
+
+os.remove( medFile )
\page importing_exporting_meshes_page Importing and exporting meshes
-\n In MESH there is a functionality allowing importation/exportation
+\n In MESH there is a functionality allowing import/export
of meshes from/to \b MED, \b UNV (I-DEAS 10), \b DAT (simple ascii format), \b STL,
-\b GMF (internal format of DISTENE products, namely BLSurf, GHS3D and Hexotic algorithms) and \b CGNS format files. You can also export a group as a whole mesh.
+\b GMF (internal format of DISTENE products, namely BLSurf, GHS3D and
+Hexotic algorithms) and \b CGNS format files. You can also export a
+group as a whole mesh.
<em>To import a mesh:</em>
<ol>
<li>From the \b File menu choose the \b Import item, from its sub-menu
-select the corresponding format (MED, UNV, STL, GMF and CGNS) of the file containing
-your mesh.</li>
+ select the corresponding format (MED, UNV, STL, GMF and CGNS) of the
+ file containing your mesh.</li>
<li>In the standard <b>Search File</b> dialog box find the file for
-importation. It is possible to select multiple files to be imported all at once. </li>
+ import. It is possible to select multiple files to be imported all at
+ once. </li>
<li>Click the \b OK button.</li>
</ol>
<em>To export a mesh or a group:</em>
<ol>
-<li>Select the object you wish to export.</li>
-<li>From the \b File menu choose the \b Export item, from its sub-menu
-select the format (MED, UNV, DAT, STL, GMF and CGNS) of the file which will
-contain your exported mesh.</li>
-<li>In the standard <b>Search File</b> select a location for the
-exported file and enter its name.</li>
-<li>Click the \b OK button.</li>
+ <li>Select the object you wish to export.</li>
+ <li>From the \b File menu choose the \b Export item, from its sub-menu
+ select the format (MED, UNV, DAT, STL, GMF and CGNS) of the file which will
+ contain your exported mesh.</li>
+ <li>In the standard <b>Search File</b> select a location for the
+ exported file and enter its name.</li>
+ <li>Click the \b OK button.</li>
</ol>
\image html meshexportmesh.png
+At export to MED and SAUV format files additional parameters are available.
+<ul>
+ <li><b>Automatically create groups</b> check-box specifies whether to
+ create groups of all mesh entities of available dimensions or
+ not. If checked, the created groups have names like "Group_On_All_Nodes",
+ "Group_On_All_Faces" etc.</li>
+ <li><b>Automatically define space dimension</b> check-box specifies
+ whether to define space dimension for export by mesh configuration
+ or not. Usually the mesh is exported as a mesh in 3D space, just as
+ it is in Mesh module. The mesh can be exported as a mesh in lower
+ dimension in following cases, provided that this check-box is
+ checked.
+ <ul>
+ <li> 1D: if all mesh nodes lie on OX coordinate axis. </li>
+ <li> 2D: if all mesh nodes lie on XOY coordinate plane. </li>
+ </ul>
+ </li>
+</ul>
<br><b>See Also</b> a sample TUI Script of an \ref tui_export_mesh "Export Mesh" operation.
*/
<br>
\anchor tui_editing_mesh
-<h2>Editing of a mesh</h2>
+<h2>Editing a mesh</h2>
\tui_script{creating_meshes_ex04.py}
<br>
boolean HasDuplicatedGroupNamesMED();
/*!
- * Export Mesh to different MED Formats
+ * Export Mesh to a MED Format file
* @params
* - file : name of the MED file
* - auto_groups : boolean parameter for creating/not creating
- * the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
- * the typical use is auto_groups=false.
+ * the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
+ * the typical use is auto_groups=false.
* - version : define the version of format of MED file, that will be created
* - overwrite : boolean parameter for overwriting/not overwriting the file, if it exists
+ * - autoDimension: if @c True (default), a space dimension of a MED mesh can be either
+ * - 1D if all mesh nodes lie on OX coordinate axis, or
+ * - 2D if all mesh nodes lie on XOY coordinate plane, or
+ * - 3D in the rest cases.
+ *
+ * If @a autoDimension is @c False, the space dimension is always 3.
*/
void ExportToMEDX( in string file,
in boolean auto_groups,
in MED_VERSION version,
- in boolean overwrite ) raises (SALOME::SALOME_Exception);
+ in boolean overwrite,
+ in boolean autoDimension ) raises (SALOME::SALOME_Exception);
/*!
* Export a part of Mesh into a MED file
* - file : name of the MED file
* - version : define the version of format of MED file, that will be created
* - overwrite : boolean parameter for overwriting/not overwriting the file, if it exists
+ * - autoDimension: if @c True, a space dimension for export is defined by mesh
+ * configuration; for example a planar mesh lying on XOY plane
+ * will be exported as a mesh in 2D space.
+ * If @a autoDimension == @c False, the space dimension is 3.
*/
void ExportPartToMED( in SMESH_IDSource meshPart,
in string file,
in boolean auto_groups,
in MED_VERSION version,
- in boolean overwrite ) raises (SALOME::SALOME_Exception);
+ in boolean overwrite,
+ in boolean autoDimension ) raises (SALOME::SALOME_Exception);
/*!
- * Export Mesh to different MED Formats
+ * Export Mesh to a MED Format file
* Works, just the same as ExportToMEDX, with overwrite parameter equal to true.
* The method is kept in order to support old functionality
*/
myDoGroupOfFaces (false),
myDoGroupOfVolumes (false),
myDoGroupOf0DElems(false),
- myDoGroupOfBalls(false)
+ myDoGroupOfBalls(false),
+ myAutoDimension(true)
{}
void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName,
myDoGroupOfVolumes = true;
}
-namespace{
+namespace
+{
typedef double (SMDS_MeshNode::* TGetCoord)() const;
typedef const char* TName;
typedef const char* TUnit;
}
// Mesh dimension definition
- TInt aSpaceDimension;
+ TInt aSpaceDimension = 3;
TCoordHelperPtr aCoordHelperPtr;
{
bool anIsXDimension = false;
bool anIsYDimension = false;
bool anIsZDimension = false;
+ if ( myAutoDimension )
{
SMDS_NodeIteratorPtr aNodesIter = myMesh->nodesIterator();
double aBounds[6];
virtual void SetFile(const std::string& theFileName);
void SetFile(const std::string& theFileName, MED::EVersion theId);
+ void SetAutoDimension(bool toFindOutDimension) { myAutoDimension = toFindOutDimension; }
static std::string GetVersionString(const MED::EVersion theVersion, int theNbDigits=2);
/*! sets file name; only for usage with Add(), not Write()
bool myDoGroupOfVolumes;
bool myDoGroupOf0DElems;
bool myDoGroupOfBalls;
+ bool myAutoDimension;
};
const char* theMeshName,
bool theAutoGroups,
int theVersion,
- const SMESHDS_Mesh* meshPart)
+ const SMESHDS_Mesh* meshPart,
+ bool theAutoDimension)
throw(SALOME_Exception)
{
Unexpect aCatch(SalomeException);
DriverMED_W_SMESHDS_Mesh myWriter;
- myWriter.SetFile ( file, MED::EVersion(theVersion) );
- myWriter.SetMesh ( meshPart ? (SMESHDS_Mesh*) meshPart : _myMeshDS );
+ myWriter.SetFile ( file, MED::EVersion(theVersion) );
+ myWriter.SetMesh ( meshPart ? (SMESHDS_Mesh*) meshPart : _myMeshDS );
+ myWriter.SetAutoDimension( theAutoDimension );
if ( !theMeshName )
- myWriter.SetMeshId ( _id );
+ myWriter.SetMeshId ( _id );
else {
- myWriter.SetMeshId ( -1 );
- myWriter.SetMeshName( theMeshName );
+ myWriter.SetMeshId ( -1 );
+ myWriter.SetMeshName ( theMeshName );
}
if ( theAutoGroups ) {
*/
bool HasDuplicatedGroupNamesMED();
- void ExportMED(const char *file,
- const char* theMeshName = NULL,
- bool theAutoGroups = true,
- int theVersion = 0,
- const SMESHDS_Mesh* meshPart = 0)
+ void ExportMED(const char * theFile,
+ const char* theMeshName = NULL,
+ bool theAutoGroups = true,
+ int theVersion = 0,
+ const SMESHDS_Mesh* theMeshPart = 0,
+ bool theAutoDimension = false)
throw(SALOME_Exception);
void ExportDAT(const char * file,
if ( resMgr )
toCreateGroups = resMgr->booleanValue( "SMESH", "auto_groups", false );
bool toOverwrite = true;
+ bool toFindOutDim = true;
QString aFilter, aTitle = QObject::tr("SMESH_EXPORT_MESH");
QString anInitialPath = "";
anInitialPath + QString("/") + aMeshName,
aFilter, aTitle, false);
}
- // else if ( isGMF )// Export to GMF
- // {
- // SalomeApp_CheckFileDlg* fd = new SalomeApp_CheckFileDlg
- // ( SMESHGUI::desktop(), false, QObject::tr("SMESH_REQUIRED_GROUPS"), true, true );
- // QStringList filters;
- // filters << QObject::tr( "GMF_ASCII_FILES_FILTER" ) + " (*.mesh)"
- // << QObject::tr( "GMF_BINARY_FILES_FILTER" ) + " (*.meshb)";
- // fd->setWindowTitle( aTitle );
- // fd->setNameFilters( filters );
-
- // if ( !aMeshOrGroup->_is_equivalent( aMesh ))
- // toCreateGroups = false;
- // else
- // toCreateGroups = ( aMesh->NbGroups() > 0 );
-
- // fd->SetChecked( true );
- // if ( !anInitialPath.isEmpty() )
- // fd->setDirectory( anInitialPath );
- // fd->selectFile(aMeshName);
-
- // if ( fd->exec() )
- // aFilename = fd->selectedFile();
- // toCreateGroups = fd->IsChecked();
-
- // delete fd;
- // }
else if ( isCGNS )// Export to CGNS
{
SUIT_FileDlg* fd = new SUIT_FileDlg( SMESHGUI::desktop(), false, true, true );
if (it.value() == SMESH::MED_V2_2)
aDefaultFilter = it.key();
}
+ QStringList checkBoxes;
+ checkBoxes << QObject::tr("SMESH_AUTO_GROUPS") << QObject::tr("SMESH_AUTO_DIM");
- SalomeApp_CheckFileDlg* fd = new SalomeApp_CheckFileDlg
- ( SMESHGUI::desktop(), false, QObject::tr("SMESH_AUTO_GROUPS"), true, true );
+ SalomeApp_CheckFileDlg* fd =
+ new SalomeApp_CheckFileDlg ( SMESHGUI::desktop(), false, checkBoxes, true, true );
fd->setWindowTitle( aTitle );
fd->setNameFilters( filters );
fd->selectNameFilter(aDefaultFilter);
- fd->SetChecked(toCreateGroups);
+ fd->SetChecked(0,toCreateGroups);
+ fd->SetChecked(1,toFindOutDim);
if ( !anInitialPath.isEmpty() )
fd->setDirectory( anInitialPath );
fd->selectFile(aMeshName);
}
}
}
- toCreateGroups = fd->IsChecked();
+ toCreateGroups = fd->IsChecked(0);
+ toFindOutDim = fd->IsChecked(1);
delete fd;
}
else
SMESH::SMESH_Mesh_var aMeshItem = aMeshOrGroup->GetMesh();
if ( aMeshOrGroup->_is_equivalent( aMeshItem ))
aMeshItem->ExportToMEDX( aFilename.toLatin1().data(), toCreateGroups,
- aFormat, toOverwrite && aMeshIndex == 0 );
+ aFormat, toOverwrite && aMeshIndex == 0, toFindOutDim );
else
aMeshItem->ExportPartToMED( aMeshOrGroup, aFilename.toLatin1().data(), toCreateGroups,
- aFormat, toOverwrite && aMeshIndex == 0 );
+ aFormat, toOverwrite && aMeshIndex == 0, toFindOutDim );
}
}
else if ( isSAUV )
<source>SMESH_AUTO_GROUPS</source>
<translation>Automatically create groups</translation>
</message>
+ <message>
+ <source>SMESH_AUTO_DIM</source>
+ <translation>Automatically define space dimension</translation>
+ </message>
<message>
<source>SMESH_REQUIRED_GROUPS</source>
<translation>Create groups of required entities</translation>
void SMESH_Mesh_i::ExportToMEDX (const char* file,
CORBA::Boolean auto_groups,
SMESH::MED_VERSION theVersion,
- CORBA::Boolean overwrite)
+ CORBA::Boolean overwrite,
+ CORBA::Boolean autoDimension)
throw(SALOME::SALOME_Exception)
{
Unexpect aCatch(SALOME_SalomeException);
string aMeshName = prepareMeshNameAndGroups(file, overwrite);
TPythonDump() << _this() << ".ExportToMEDX( r'"
- << file << "', " << auto_groups << ", " << theVersion << ", " << overwrite << " )";
+ << file << "', " << auto_groups << ", "
+ << theVersion << ", " << overwrite << ", "
+ << autoDimension << " )";
- _impl->ExportMED( file, aMeshName.c_str(), auto_groups, theVersion );
+ _impl->ExportMED( file, aMeshName.c_str(), auto_groups, theVersion, 0, autoDimension );
}
//================================================================================
const char* file,
CORBA::Boolean auto_groups,
::SMESH::MED_VERSION version,
- ::CORBA::Boolean overwrite)
+ ::CORBA::Boolean overwrite,
+ ::CORBA::Boolean autoDimension)
throw (SALOME::SALOME_Exception)
{
Unexpect aCatch(SALOME_SalomeException);
- if ( _preMeshInfo )
- _preMeshInfo->FullLoadFromFile();
+ TPythonDump pyDump;
- PrepareForWriting(file, overwrite);
+ if ( SMESH_Mesh_i * mesh = SMESH::DownCast< SMESH_Mesh_i* >( meshPart ))
+ {
+ mesh->ExportToMEDX( file, auto_groups, version, autoDimension );
+ }
+ else
+ {
+ if ( _preMeshInfo )
+ _preMeshInfo->FullLoadFromFile();
- string aMeshName = "Mesh";
- SALOMEDS::Study_var aStudy = _gen_i->GetCurrentStudy();
- if ( !aStudy->_is_nil() ) {
- SALOMEDS::SObject_wrap SO = _gen_i->ObjectToSObject( aStudy, meshPart );
- if ( !SO->_is_nil() ) {
- CORBA::String_var name = SO->GetName();
- aMeshName = name;
+ PrepareForWriting(file, overwrite);
+
+ string aMeshName = "Mesh";
+ SALOMEDS::Study_var aStudy = _gen_i->GetCurrentStudy();
+ if ( !aStudy->_is_nil() ) {
+ SALOMEDS::SObject_wrap SO = _gen_i->ObjectToSObject( aStudy, meshPart );
+ if ( !SO->_is_nil() ) {
+ CORBA::String_var name = SO->GetName();
+ aMeshName = name;
+ }
}
+ SMESH_MeshPartDS partDS( meshPart );
+ _impl->ExportMED( file, aMeshName.c_str(), auto_groups, version, &partDS, autoDimension );
}
- SMESH_MeshPartDS partDS( meshPart );
- _impl->ExportMED( file, aMeshName.c_str(), auto_groups, version, &partDS );
-
- TPythonDump() << _this() << ".ExportPartToMED( " << meshPart << ", r'" << file << "', "
- << auto_groups << ", " << version << ", " << overwrite << " )";
+ pyDump << _this() << ".ExportPartToMED( " << meshPart << ", r'" << file << "', "
+ << auto_groups << ", " << version << ", " << overwrite << ", "
+ << autoDimension << " )";
}
//================================================================================
void ExportToMEDX( const char* file,
CORBA::Boolean auto_groups,
SMESH::MED_VERSION version,
- CORBA::Boolean overwrite ) throw (SALOME::SALOME_Exception);
+ CORBA::Boolean overwrite,
+ CORBA::Boolean autoDimension=true) throw (SALOME::SALOME_Exception);
void ExportToMED ( const char* file,
CORBA::Boolean auto_groups,
SMESH::MED_VERSION version ) throw (SALOME::SALOME_Exception);
const char* file,
CORBA::Boolean auto_groups,
SMESH::MED_VERSION version,
- CORBA::Boolean overwrite) throw (SALOME::SALOME_Exception);
+ CORBA::Boolean overwrite,
+ CORBA::Boolean autoDim=true) throw (SALOME::SALOME_Exception);
void ExportPartToDAT(SMESH::SMESH_IDSource_ptr meshPart,
const char* file) throw (SALOME::SALOME_Exception);
void ExportPartToUNV(SMESH::SMESH_IDSource_ptr meshPart,
# @param version MED format version(MED_V2_1 or MED_V2_2)
# @param overwrite boolean parameter for overwriting/not overwriting the file
# @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
+ # @param autoDimension: if @c True (default), a space dimension of a MED mesh can be either
+ # - 1D if all mesh nodes lie on OX coordinate axis, or
+ # - 2D if all mesh nodes lie on XOY coordinate plane, or
+ # - 3D in the rest cases.
+ #
+ # If @a autoDimension is @c False, the space dimension is always 3.
# @ingroup l2_impexp
- def ExportMED(self, f, auto_groups=0, version=MED_V2_2, overwrite=1, meshPart=None):
+ def ExportMED(self, f, auto_groups=0, version=MED_V2_2,
+ overwrite=1, meshPart=None, autoDimension=True):
if meshPart:
if isinstance( meshPart, list ):
meshPart = self.GetIDSource( meshPart, SMESH.ALL )
- self.mesh.ExportPartToMED( meshPart, f, auto_groups, version, overwrite )
+ self.mesh.ExportPartToMED( meshPart, f, auto_groups, version, overwrite, autoDimension)
else:
- self.mesh.ExportToMEDX(f, auto_groups, version, overwrite)
+ self.mesh.ExportToMEDX(f, auto_groups, version, overwrite, autoDimension)
## Exports the mesh in a file in SAUV format
# @param f is the file name
