Output.node_attribute#

Output.node_attribute(attribute, time_index=None)[source]#

For all nodes at given time, get a particular attribute.

Parameters:

attribute (swmm.toolkit.shared_enum.NodeAttribute) – attribute from swmm.toolkit.shared_enum.NodeAttribute: INVERT_DEPTH, HYDRAULIC_HEAD, PONDED_VOLUME, LATERAL_INFLOW, TOTAL_INFLOW, FLOODING_LOSSES, POLLUT_CONC_0
time_index (Union[int, datetime, None]) – datetime or simulation index, defaults to None

Returns:

dict of attribute values for all nodes at given timestep

Return type:

dict {node:value}

Examples:

>>> from swmm.toolkit.shared_enum import NodeAttribute
>>> from datetime import datetime
>>> from pyswmm import Output
>>>
>>> with Output('tests/data/model_full_features.out') as out:
...     data = out.node_attribute(NodeAttribute.INVERT_DEPTH, datetime(2015, 11, 1, 16))
...     for object in data:
...         print(object, data[object])
>>> J1 15.0
>>> J3 1.9746614694595337
>>> J4 0.0
>>> J2 0.0009783204877749085