On Wednesday, February 17, 2021 at 11:27:40 PM UTC+1 [email protected] wrote:
> Formats and labels are keyed to *unit groups*, not observation types. If > you really want to use luminance (instead of illuminance), you need to tell > the system what unit group it is in. You do that by making an assignment to > the data structure weewx.units.obs_group_dict: > > import weewx.units > weewx.units.obs_group_dict['luminance'] = 'group_illuminance' > > See the section *Assigning a unit group > <http://www.weewx.com/docs/customizing.htm#Assigning_a_unit_group>* in > the Customizing Guide. > > However, be aware that illuminance is not the same of luminance. > Illuminance measures the amount of light falling on a surface area. > Luminance measures the amount of light passing through a solid angle. Only > illuminance is measured in lux. > This is almost what I ended up doing: import weewx.units weewx.units.obs_group_dict['outTempBatteryStatus'] = 'group_volt' weewx.units.obs_group_dict['luminosity'] = 'group_illuminance' I hadn't picked up on the difference between luminance and illuminance. But the field I'm using is called yet another thing, luminosity. What's that than? Time for a bit of googling I suppose, although I'm not sure I'll go as far as adding a field especially for this. Since there's a field for luminosity I think maybe I'll use that regardless. Thanks for the help! Cheers, Jan-Jaap -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/6b31a15e-07ee-48ba-aa59-956cc63e9678n%40googlegroups.com.
