thank you, i will do this in database. gjr80 schrieb am Donnerstag, 17. Dezember 2020 um 21:26:28 UTC+1:
> Yes, that will be it. Loading and calculating for a day will be > straightforward, though it will involve a lot of complex calculations being > done each time you call the aggregate (and this will occur each time you > run the report, so potentially every archive interval minutes). On the > other hand, adding wet bulb to the database will involve one complex > calculation every archive interval and any time you use an aggregate it is > a simple hit on the database. In this case I think it may be better to add > wet bulb to the database. > > Gary > > On Friday, 18 December 2020 at 06:14:05 UTC+10 bwal...@gmail.com wrote: > >> No, i just adjustet the vaporpressure.py example. >> >> But i see what you mean, i have to calculate it by my own, this means i >> have to load all data for a day and calculate it. >> im not shure i can do this. >> i quess its easyer and better to do this in the database. >> >> gjr80 schrieb am Donnerstag, 17. Dezember 2020 um 20:37:57 UTC+1: >> >>> Hi, >>> >>> When you wrote your xtype extension what methods did you implement? Did >>> you implement get_aggregate()? >>> >>> Gary >>> >>> On Friday, 18 December 2020 at 02:41:34 UTC+10 bwal...@gmail.com wrote: >>> >>>> Hi >>>> i made a xtype extension for a wetbulp temperaur. this worsks fine with >>>> the $current tag and the image generator. >>>> >>>> with tag $day.wetbulp_t.min the chetagenerator rise no error but >>>> whrites $day.wetbulp_t.min in the file... >>>> >>>> do i have do add wetbulp_t in database for get this to work? >>>> >>> -- 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/88e9787a-05d4-47cf-83c5-7e04f4145d03n%40googlegroups.com.
