def read_tif(tasks, name: str, file_name: str, offset: tuple,
output_chunk_name: str):
"""Read tiff files."""
for task in tasks:
start = time()
assert output_chunk_name not in task
task[output_chunk_name] = Chunk.from_tif(file_name,
global_offset=offset)
task['log']['timer'][name] = time() - start
yield task
def read_write_tif(chunk):
"""We'll lost global offset information using tif format!"""
assert isinstance(chunk, np.ndarray)
file_name = 'test.tif'
if os.path.exists(file_name):
os.remove(file_name)
chunk.to_tif(file_name)
chunk2 = Chunk.from_tif(file_name)
assert np.alltrue(chunk == chunk2)
os.remove(file_name)
def read_write_tif(chunk):
"""We'll lost global offset information using tif format!"""
assert isinstance(chunk, Chunk)
file_name = 'test.tif'
if os.path.exists(file_name):
os.remove(file_name)
chunk.to_tif(file_name)
chunk2 = Chunk.from_tif(file_name)
# we can not preserve the global offset here
# so chunk2's global offset will all be 0
np.testing.assert_array_equal(chunk.array, chunk2.array)
os.remove(file_name)