I think I'd lean toward adding an extension, at least initially, since CBI is not in the default schema and anything you patch into weewx will get lost when you do version updates if you try to patch the core outside of the 'user' tree, but there's likely no wrong answer.
On Friday, January 1, 2021 at 7:57:58 AM UTC-8 [email protected] wrote: > I wish to add the Chandler Burning Index (CBI) to WeeWX. > > The CBI is completely a derived number. In this way, it is the same type > of thing as 'dewpoint' - calculated based on temperature and relative > humidity with a formula. > > My goals are as follows: > > 1) Report the value in the current page, as well as min/max values in > weekly, monthly, yearly totals. > 2) Graph this as a new graph (I can't combine it with temperature as > dewpoint does as the Y-axis label is different.) > 3) Provide a mechanism to one-time retroactively compute the CBI values to > all historic records someone has stored. > > I believe (3) requires new code no matter what - I am not familiar with > any existing code that will add in new values for a derived calculation to > match prior observations. So, (3) can be actually put to the side for the > moment. > > The question is - what's the best way to do (1) and (2)? Two possible > approaches are: > > a) Implement a new 'cbi' extension, with its own database. > b) Add CBI to the core existing code-base, pretty much exactly where > dewpoint iis calculated for (1) (and database schemas defined, etc.) - and > simply adding in a new graph for the CBI. > > In the briefest terms, should I implement this as an extension or as > additions to the existing code? Obviously, either approach would be 'given > back' to be used - but what is the preferred way to implement this? > > -- You received this message because you are subscribed to the Google Groups "weewx-development" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-development/127bd60a-dd0b-4d72-8b16-61419e5dbba8n%40googlegroups.com.
