Publishing aggregate data, the topic is TOPIC/loop?

[Rui Pinto]

Hello!! 

These are my configurations for transmitting data through Weewx to the MQTT broker:

[StdRESTful]
    ...
    [[MQTT]]
        server_url = mqtt://username:password@localhost:1883/
        topic = weather/default/default/VantagePro2/
        unit_system = METRIC

        aggregation = aggregate   

why the data is published to the TOPIC/loop? Is it because i'm publishing aggregate data so all the observations are pusblished in one go to the loop level?

Best Regards

[Pat]

Yes, aggregate will publish all loop data as a single json array to the /loop topic. 

If you want individual observations published to their individual topic, use aggregation = individual. 

If you want a mixture of both, use aggregation = individual,aggregate

[Pat]

The aggregate topic is hard-coded to /LOOP because weewx operates on the LOOP method. You can read more about that in the User Guide.

[Greg Troxel]

Pat <p...@obrienphoto.net> writes:

> The aggregate topic is hard-coded to /LOOP because weewx operates on the
> LOOP method. You can read more about that in the User Guide

> <http://www.weewx.com/docs/usersguide.htm>.

And it's still /loop if you are publishing aggregate information based
on archive records (the default, I think), even though that's confusing.

To Rui: I would suggest separating trying to understand how things
behave from why someone chose to make it behave that way.
Understanding how lets you get things done, and the why is much less
useful :-)

[Rui Pinto]

Thanks @Greg Troxel and @Pat!!

You were very helful... I just wanted to understand why is like the that.

Best Regards

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