Sound like I should just install your extension, as it would provide what I need. Even though my update rate is only every 2 minutes, I guess that would be realtime enough for me.
On Tuesday, 14 March 2017 19:49:33 UTC-4, gjr80 wrote: > > Hi, > > Short of going to Mark Crossley the SteelSeries Weather Gauges author and > asking him directly (which I am sure he would answer, I have found him very > approachable), there is no definitive definition of what the WindRoseData > field is to contain. We can deduce a few things about it from various > sources. > > 1. the field should contain a comma separated list of 8 or 16 numbers > (corresponding to the 8 ordinal points of a compass or the 16 points of a > wind compass). Whether you can use a different number ofvalues I don't know > (eg 4 if you only want the cardinal points or 5 if you live in a pentary > world) > 2. the first number is the 'North' value, the others progressively move > around the compass in a clockwise direction > 3. the WindRoseData numbers appear to be normalised before plotting (ie > the absolute value of the numbers is not important rather it is the > relative proprtions that are important) > 4. Cumulus has a #WindRoseData# webtag that is descibed in the Cumulus > wiki <http://wiki.sandaysoft.com/a/Webtags#Miscellaneous> as "A > comma-separated list of the wind 'totals' used to draw the wind rose (8 or > 16 values)". (The developer of the SteelSeries Weather Gauges is a Cumulus > user and that is where you will find a lot of SteelSeries Weather Gauges > info). I have not found anything that defines what "wind 'totals'" are, is > it the number of windDir samples that fall in the respective arc, are > these weighted with windSpeed etc. I have taken it to be the windSpeed > weighted > count of windDir falling in the sector concerned. It is fairly easy to > generate a query on the weeWX archive that will give the raw data and a > little bit of python can then be used to fashion the raw data into a > WindRoseData list. You can see what I have done if you look at > calc_windrose() function in rtgd.py here > <https://github.com/gjr80/weewx-realtime_gauge-data/blob/master/bin/user/rtgd.py> > . > > Gary > > On Wednesday, 15 March 2017 08:26:27 UTC+10, Robert Mantel wrote: >> >> I'm looking to create a python script to generate my own wind rose data >> using json queries from my phant server which stores the raw sensor data >> from my station. My question is, what format is the WindRoseData=[] line >> looking for? Is it just populating a list, is it in pairs of wind >> direction and speed? I'm having a hard time figuring this out from the >> gauges.js script. >> > -- 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
