def DuplicateMetaDataSet(self, input):
'''
Duplicate a metadataset from a metadataset,
this is a static method returning a new object, to be deleted outside the method
@param input: vtkMetaDataSet
@rtype: vtkMetaDataSet
'''
metadataset=None
dataset=None
type=0
if input.getType()==vtkPythonMetaDataSet.VTK_META_SURFACE_MESH:
type=vtkPythonMetaDataSet.VTK_META_SURFACE_MESH
metadataset=vtkPythonMetaSurfaceMesh()
dataset=vtk.vtkPolyData()
elif input.getType()==vtkPythonMetaDataSet.VTK_META_VOLUME_MESH:
type=vtkPythonMetaDataSet.VTK_META_VOLUME_MESH
metadataset=vtkPythonMetaVolumeMesh()
dataset=vtk.vtkUnstructuredGrid()
elif input.getType()==vtkPythonMetaDataSet.VTK_META_IMAGE_DATA:
type=vtkPythonMetaDataSet.VTK_META_IMAGE_DATA
metadataset=vtkPythonMetaImageData()
dataset=vtk.vtkImageData()
else:
return None
if input.getDataSet():
dataset.DeepCopy(input.getDataSet())
metadataset.CopyInformation(input)
metadataset.setDataSet(dataset)
metadataset.setProperty(input.getProperty())
del dataset
return metadataset
def ReadFile(self, filename, name=None, forsequence=False):
'''
Only method to get a sequence of the manager from its index.
returns NULL pointer if out of range.
@param filename: str
@param name: str
@param forsequence: bool
@rtype: vtkMetaDataSet
'''
if os.path.isdir(filename):
return self.ScanDirectoryForSequence(filename)
type=vtkPythonMetaDataSet.VTK_META_UNKNOWN
if type==vtkPythonMetaDataSet.VTK_META_UNKNOWN:
metadataset=vtkPythonMetaVolumeMesh()
if metadataset.CanReadFile(filename):
type=vtkPythonMetaDataSet.VTK_META_VOLUME_MESH
if type==vtkPythonMetaDataSet.VTK_META_UNKNOWN:
metadataset=vtkPythonMetaSurfaceMesh()
if metadataset.CanReadFile(filename):
type=vtkPythonMetaDataSet.VTK_META_SURFACE_MESH
if type==vtkPythonMetaDataSet.VTK_META_UNKNOWN:
metadataset=vtkPythonMetaImageData()
if metadataset.CanReadFile(filename):
type=vtkPythonMetaDataSet.VTK_META_IMAGE_DATA
if type==vtkPythonMetaDataSet.VTK_META_UNKNOWN:
metadataset=vtkPythonMetaDataSetSequence()
if metadataset.CanReadFile(filename):
type=vtkPythonMetaDataSet.VTK_META_IMAGE_DATA
if type==vtkPythonMetaDataSet.VTK_META_UNKNOWN:
print "unknown file format : %s"%(filename)
raise IOError, "Unrecognized File Type!"
try:
metadataset.Read(filename)
if name==None:
metadataset.setName(os.path.splitext(os.path.split(filename)[1])[0])
else:
metadataset.setName(name)
self.AddMetaDataSet(metadataset)
# del metadataset
return metadataset
except:
# del metadataset
raise IOError
return None