[weewx-user] Re: how to grab LOOP data to post here (FAQ)

[Paul G]

Vantage users can run recent versions of vantage.py directly.
I made two small changes so it 1) uses loop_request=3 and 2) collects two 
records and exits.

On Tuesday, March 1, 2022 at 3:52:37 PM UTC-5 vince wrote:

> fyi - I added a FAQ page on how to run weewxd interactively to grab a few 
> LOOP data snippets since this one comes up so often
>
> https://github.com/weewx/weewx/wiki/faq-running-weewxd-directly
>
>

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[weewx-user] Vantage barometric reduction in _loop_map

[Paul G]

I'm trying to understand how pressure is processed in weewx v4 and I see 
this line in the loop mapping dictionary:

 'bar_reduction'   : lambda p, k: float(p[k]) / 1000.0 if p[k] else None,

Since Barometric Reduction Method has a value in 0..2 shouldn't it be 
mapped with an identity function? E.g. lambda p, k: p[k] 

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