Thanks for doing this Gary. I'm too new to all of this stuff to have anything to look back on, but it's very cool to see what can be done with weewx. - Kelly
On Tuesday, May 14, 2019 at 8:37:55 PM UTC-4, gjr80 wrote: > > I should have given this a little more thought before publishing. I have > since made a slight change to the tag name to make it a little more logical > and consistent with the other iterative tags that WeeWX supports (and to > remove a 'this'). The tag now uses .periods in lieu of .this; for > example, you would now use the $this_span tag as follows: > > #for $day in this_span.periods > $day.outTemp.max at $day.outTemp.maxtime > #end for > > Any existing template code will work fine with the current version with > just the need to change '.this' to '.periods'. > > I have also created a page > <https://github.com/gjr80/weewx_utilities/wiki/This-Search-List-Extension> > in the wiki of the repo containing the this search list extension code > that explains the installation and usage of the this search list extension. > Hopefully this is a little more user friendly and easier to read than > comments in the code. > > Gary > > On Monday, 13 May 2019 17:40:37 UTC+10, gjr80 wrote: >> >> I've put together a search list extension that should do what you want. >> You will find the code here >> <https://raw.githubusercontent.com/gjr80/weewx_utilities/master/search%20list%20extensions/this/bin/user/this.py>. >> >> The SLE is based on the existing WeeWX tag machinery that enables >> iteration <http://weewx.com/docs/customizing.htm#Iteration> over >> periods. So with the SLE installed you can do something like: >> >> #for $day in this_span.this >> $day.outTemp.max at $day.outTemp.maxtime >> #end for >> >> to display the maximum daily temperature and the time it occurred on this >> day in all years in the archive. The output would be something like: >> >> 24.5°C at 11 May 2017 12:51:00 >> 26.7°C at 11 May 2018 13:31:00 >> 23.4°C at 11 May 2019 13:15:00 >> >> There are various parameters that can be set against $this_span to limit >> the period covered (the default is all records but you can limit it to the >> last x years, months etc as with the existing $span tag). There are >> various parameters that can be applied to .this to set the day to be >> used, for example, .this($period='week') and .this($period='month') will >> provide stats for this week and this month respectively over all years. >> There are many variations and permutations, I have tried to capture a >> variety of use cases in the up front comment in this.py >> <https://raw.githubusercontent.com/gjr80/weewx_utilities/master/search%20list%20extensions/this/bin/user/this.py> >> . >> >> To install/use: >> >> 1. Download the file this.py to the WeeWX machine and save to the >> $BIN_ROOT/user directory: >> >> for a setup.py install: >> >> $ wget -P /home/weewx/bin/user https:// >> raw.githubusercontent.com/gjr80/weewx_utilities/master/search%20list%20extensions/this/bin/user/this.py >> >> otherwise: >> >> $ wget -P /usr/share/weewx/user https:// >> raw.githubusercontent.com/gjr80/weewx_utilities/master/search%20list%20extensions/this/bin/user/this.py >> >> 2. Add the following line to the skin config file [CheetahGenerator] >> stanza for the skin in which the SLE is to be used: >> >> search_list_extensions = user.this.ThisSLE >> >> if the search_list_extensions config option already exists add >> user.this.ThisSLE to the end of the option using a comma as a separator, >> eg: >> >> search_list_extensions = user,another.SLE, user.this.ThisSLE >> >> 3. Add the required $this_span.this code to the template concerned. >> >> 4. After the next report cycle is complete confirm there are no errors >> in the log and the report has been generated as expected. >> >> Gary >> >> On Saturday, 11 May 2019 23:30:47 UTC+10, Robin wrote: >>> >>> I apologise if this has been asked before or if there is a simple and >>> obvious way to do this, but I can't see it. >>> >>> I want to display the temperature (min,max) for today's date for each >>> year since we started keeping records. >>> >>> Can somebody point me in the right direction? >>> >>> Thanks people. >>> >> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/bcdade04-dfe7-428d-8739-d6e9d3cd3823%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
