I defined a new aggregation type called 'energy_integral' for the
observation type 'radiation'. And I added new unit groups to reflect the
unit of the result:
weewx.units.agg_group.setdefault('energy_integral','group_radiation_energy')
weewx.units.USUnits.setdefault('group_radiation_energy','watt_hour_per_meter_squared')
weewx.units.MetricUnits.setdefault('group_radiation_energy','watt_hour_per_meter_squared')
weewx.units.MetricWXUnits.setdefault('group_radiation_energy','watt_hour_per_meter_squared')
weewx.units.default_unit_format_dict.setdefault('watt_hour_per_meter_squared',"%.0f")
weewx.units.default_unit_label_dict.setdefault('watt_hour_per_meter_squared',u"
Wh/m²")
Then I defined a get_aggregate() function that returns the value.
If I use a tag like $yesterday.radiation.energy_integral then I get the
right unit Wh/m^2.
But the graph is labelled with the unit label of the original value. That
is W/m^2 (without h) instead of Wh/m^2.
I wonder what I could do to have the correct unit label in graphs, too?
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