Perfect application for an xtypes extension <https://github.com/weewx/weewx/wiki/WeeWX-V4-user-defined-types>.
On Fri, Jan 1, 2021 at 7:58 AM [email protected] <[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/41c4df89-3c00-4468-932d-d4d399fbe9a7n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-development/41c4df89-3c00-4468-932d-d4d399fbe9a7n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- 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/CAPq0zEBRWY4B9ChsBirk1wrYfDLcLK%2B5fk5Ka3ze-LSJQz%2B3zw%40mail.gmail.com.
