def testPassStringAsUnicode(self):
"""Pass a string when unicode is expected. Should fail."""
if not unicode_support:
return
a = vtk.vtkUnicodeStringArray()
self.assertRaises(exceptions.TypeError,
a.InsertNextValue, ('Francois',))
def testPassStringAsUnicode(self):
"""Pass a string when unicode is expected. Should fail."""
if not unicode_support:
return
a = vtk.vtkUnicodeStringArray()
self.assertRaises(exceptions.TypeError, a.InsertNextValue,
('Francois', ))
def testPassAndReturnUnicodeByReference(self):
"""Pass a unicode string by const reference"""
if not unicode_support:
return
a = vtk.vtkUnicodeStringArray()
a.InsertNextValue(u'Fran\xe7ois')
u = a.GetValue(0)
self.assertEqual(u, u'Fran\xe7ois')
def testPassAndReturnUnicodeByReference(self):
"""Pass a unicode string by const reference"""
if not unicode_support:
return
a = vtk.vtkUnicodeStringArray()
a.InsertNextValue(u'Fran\xe7ois')
u = a.GetValue(0)
self.assertEqual(u, u'Fran\xe7ois')
def _numpy_to_string(a, array_type=None):
if np.issubdtype(a.dtype, np.string_) or array_type == VTK_STRING:
av = vtk.vtkStringArray()
else:
av = vtk.vtkUnicodeStringArray()
av.SetNumberOfComponents(1 if a.ndim == 1 else a.shape[1])
av.SetNumberOfValues(a.size)
for i, s in enumerate(a.ravel()):
av.SetValue(i, s)
return av
def GetDocTitles(self, IDlist):
"""Given a list of IDs selected from a parallel coordinates plot, returns
a vtkImageData with all of the projected (reduced dimensionality by SVD) images
for those IDs. (e.g. typically 120 dim rather than original 768 dim for MNIST digits)"""
if self.data_loaded:
titles = vtk.vtkUnicodeStringArray()
titles.SetName('doc_titles')
if self.hasDocTitles:
print self.DocTitles
for id in IDlist:
print id
titles.InsertNextValue(self.DocTitles[id])
return titles
def dict_to_vtkarrays(row, fields, attributes):
import vtk
for key in fields:
value = row[key]
comp = 1
if isinstance(value, list):
comp = len(value)
value = value[0]
if isinstance(value, (int, long, float)):
arr = vtk.vtkDoubleArray()
elif isinstance(value, str):
arr = vtk.vtkStringArray()
elif isinstance(value, unicode):
arr = vtk.vtkUnicodeStringArray()
else:
arr = vtk.vtkStringArray()
arr.SetName(key)
arr.SetNumberOfComponents(comp)
attributes.AddArray(arr)
def dict_to_vtkarrays(row, fields, attributes):
import vtk
for key in fields:
value = row[key]
comp = 1
if isinstance(value, list):
comp = len(value)
value = value[0]
if isinstance(value, (int, long, float)):
arr = vtk.vtkDoubleArray()
elif isinstance(value, str):
arr = vtk.vtkStringArray()
elif isinstance(value, unicode):
arr = vtk.vtkUnicodeStringArray()
else:
arr = vtk.vtkStringArray()
arr.SetName(key)
arr.SetNumberOfComponents(comp)
attributes.AddArray(arr)
def testPassBytesAsUnicode(self):
"""Pass 8-bit string when unicode is expected. Should fail."""
a = vtk.vtkUnicodeStringArray()
self.assertRaises(TypeError, a.InsertNextValue, eightbit)
def testPassAndReturnUnicodeByReference(self):
"""Pass a unicode string by const reference"""
a = vtk.vtkUnicodeStringArray()
a.InsertNextValue(cedilla)
u = a.GetValue(0)
self.assertEqual(u, cedilla)
rsv_reader = vtk.vtkArrayReader()
rsv_reader.SetFileName(os.path.join(lsa_data_path,"CH_RightSingularVectors.txt"))
sv_reader = vtk.vtkArrayReader()
sv_reader.SetFileName(os.path.join(lsa_data_path,"CH_SingluarValues.txt"))
power_weighting = vtk.vtkPowerWeighting()
power_weighting.SetInputConnection(0, sv_reader.GetOutputPort())
power_weighting.SetPower(-0.5)
# Setup the query pipeline ...
query_document_array = vtk.vtkIdTypeArray()
query_document_array.SetName("document")
query_text_array = vtk.vtkUnicodeStringArray()
query_text_array.SetName("text")
query_document_array.InsertNextValue(query_document_array.GetNumberOfTuples())
query_text_array.InsertNextValue(unicode(query_string))
query_document_table = vtk.vtkTable()
query_document_table.AddColumn(query_document_array)
query_document_table.AddColumn(query_text_array)
query_document_reader = vtk.vtkPassThrough()
query_document_reader.SetInputConnection(0, query_document_table.GetProducerPort())
query_tokens = vtkTokenization()
query_tokens.SetInputConnection(0, query_document_reader.GetOutputPort())
def testPassBytesAsUnicode(self):
"""Pass 8-bit string when unicode is expected. Should fail."""
a = vtk.vtkUnicodeStringArray()
self.assertRaises(TypeError,
a.InsertNextValue, eightbit)
def testPassAndReturnUnicodeByReference(self):
"""Pass a unicode string by const reference"""
a = vtk.vtkUnicodeStringArray()
a.InsertNextValue(cedilla)
u = a.GetValue(0)
self.assertEqual(u, cedilla)
def testPassStringAsUnicode(self):
"""Pass a string when unicode is expected. Should fail."""
a = vtk.vtkUnicodeStringArray()
self.assertRaises(TypeError, a.InsertNextValue, ('Francois', ))
def testPassStringAsUnicode(self):
"""Pass a string when unicode is expected. Should fail."""
a = vtk.vtkUnicodeStringArray()
self.assertRaises(TypeError,
a.InsertNextValue, ('Francois',))
