It is impossible for me to make a graph using xaggs functions like
historical_avg.
If I use [[hist]]
[[[outtemp]]]
aggregation_type = historical_avg
aggregation_interval = day
I get the error
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine: Caught
unrecoverable exception in generator 'weewx.imagegenerator.ImageGenerator'
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** ('outTemp', (1638982800, 1639080000),
<weewx.manager.DaySummaryManager object at 0xb1e3ba90>, None, None)
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** Traceback (most recent call last):
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** File "/usr/share/weewx/weewx/reportengine.py", line 196, in run
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** obj.start()
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** File "/usr/share/weewx/weewx/reportengine.py", line 281, in start
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** self.run()
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** File "/usr/share/weewx/weewx/imagegenerator.py", line 41, in run
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** self.genImages(self.gen_ts)
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** File "/usr/share/weewx/weewx/imagegenerator.py", line 181, in
genImages
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** aggregate_interval=aggregate_interval)
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** File "/usr/share/weewx/weewx/xtypes.py", line 99, in get_series
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** raise weewx.UnknownType(obs_type, timespan, db_manager,
aggregate_type, aggregate_interval)
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** weewx.UnknownType: ('outTemp', (1638982800, 1639080000),
<weewx.manager.DaySummaryManager object at 0xb1e3ba90>, None, None)
Dec 9 18:56:00 raspberrypi weewx[20140] ERROR weewx.reportengine:
**** Generator terminated
If I remove aggregaton_interval then I get a message telling me that I need
to define an interval.
If I just use [[[history_avg]]] to draw the graph I get the same error as
before.
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