def _reduce_bands_binary_xy(self, operator, other: Union[ImageCollection,
Union[int,
float]]):
"""
Pixelwise comparison of this data cube with another cube or constant.
:param other: Another data cube, or a constant
:return:
"""
if isinstance(other, int) or isinstance(other, float):
my_builder = self._get_band_graph_builder()
new_builder = None
extend_previous_callback_graph = my_builder is not None
if not extend_previous_callback_graph:
new_builder = GraphBuilder()
# TODO merge both process graphs?
new_builder.add_process(operator,
x={'from_argument': 'data'},
y=other,
result=True)
else:
new_builder = my_builder.shallow_copy()
current_result = new_builder.find_result_node_id()
new_builder.processes[current_result]['result'] = False
new_builder.add_process(operator,
x={'from_node': current_result},
y=other,
result=True)
return self._create_reduced_collection(
new_builder, extend_previous_callback_graph)
elif isinstance(other, ImageCollection):
return self._reduce_bands_binary(operator, other)
else:
raise ValueError("Unsupported right-hand operand: " + str(other))
def __invert__(self):
"""
:return:
"""
operator = 'not'
my_builder = self._get_band_graph_builder()
new_builder = None
extend_previous_callback_graph = my_builder is not None
# TODO: why does these `add_process` calls use "expression" instead of "data" like the other cases?
if not extend_previous_callback_graph:
new_builder = GraphBuilder()
# TODO merge both process graphs?
new_builder.add_process(operator,
expression={'from_argument': 'data'},
result=True)
else:
new_builder = my_builder.copy()
current_result = new_builder.find_result_node_id()
new_builder.processes[current_result]['result'] = False
new_builder.add_process(operator,
expression={'from_node': current_result},
result=True)
return self._create_reduced_collection(new_builder,
extend_previous_callback_graph)
def _reduce_bands_binary_const(self, operator, other: Union[int, float]):
my_builder = self._get_band_graph_builder()
new_builder = None
extend_previous_callback_graph = my_builder is not None
if not extend_previous_callback_graph:
new_builder = GraphBuilder()
# TODO merge both process graphs?
new_builder.add_process(operator,
data=[{
'from_argument': 'data'
}, other],
result=True)
else:
current_result = my_builder.find_result_node_id()
new_builder = my_builder.shallow_copy()
new_builder.processes[current_result]['result'] = False
new_builder.add_process(operator,
data=[{
'from_node': current_result
}, other],
result=True)
return self._create_reduced_collection(new_builder,
extend_previous_callback_graph)