def test_model_appender(self):
"""`OcTreeAppender` 2D: Data array name"""
# Creat a tree mesh to append
reader = OcTreeReader()
reader.set_mesh_filename(self.meshFileName)
reader.add_model_file_name(self.modelFileNames[0])
reader.set_data_name('Initial Data')
reader.Update()
tree = reader.GetOutput()
self.assertIsNotNone(tree)
self.assertEqual(tree.GetNumberOfCells(), 29)
self.assertEqual(tree.GetNumberOfPoints(), 84)
# Now use the model appender
f = OcTreeAppender()
f.SetInputDataObject(tree)
f.add_model_file_name(self.modelFileNames[1::])
f.set_data_name('Appended Data')
f.Update()
output = f.GetOutput()
# remember that 2 arrays is added by the reader
self.assertEqual(output.GetCellData().GetNumberOfArrays(), 4)
self.assertEqual(output.GetCellData().GetArrayName(3), os.path.basename(self.modelFileNames[1])) # use file as name
self.assertEqual(len(f.get_time_step_values()), self.nt-1)
return
def test_simple_octree(self):
"""`OcTreeReader`: simple octree mesh file"""
reader = OcTreeReader()
reader.set_mesh_filename(self.meshFileName)
reader.Update()
tree = reader.GetOutput()
self.assertIsNotNone(tree)
self.assertEqual(tree.GetNumberOfCells(), 29)
self.assertEqual(tree.GetNumberOfPoints(), 84)
def set_data_name(self, name):
OcTreeReader.set_data_name(self, name)
def set_use_filename(self, flag):
OcTreeReader.set_use_filename(self, flag)
def get_time_step_values(self):
"""This is critical for registering the timesteps"""
return OcTreeReader.get_time_step_values(self)
def set_time_delta(self, dt):
OcTreeReader.set_time_delta(self, dt)
def add_model_file_name(self, filename):
"""Use to set the file names for the reader. Handles singlt string or list of strings."""
OcTreeReader.add_model_file_name(self, filename)
def set_mesh_filename(self, filename):
OcTreeReader.set_mesh_filename(self, filename)
def __init__(self):
OcTreeReader.__init__(self)
def test_simple_octree_models(self):
"""`OcTreeReader`: simple octree mesh with models"""
reader = OcTreeReader()
reader.set_mesh_filename(self.meshFileName)
reader.add_model_file_name(self.modelFileNames)
reader.set_data_name('foo')
reader.Update() # Check that normal update works
tree = reader.GetOutputDataObject(0)
self.assertIsNotNone(tree)
self.assertEqual(tree.GetNumberOfCells(), 29)
self.assertEqual(tree.GetNumberOfPoints(), 84)
self.reshapeArrs(tree)
wtree = dsa.WrapDataObject(tree)
# Now check time series
for i in range(self.nt):
reader.UpdateTimeStep(i)
arr = wtree.CellData['foo']
self.assertTrue(np.allclose(arr, self.arrs[i], rtol=RTOL))
return