Because the unit group being applied to snow, group_rain, is set to ‘mm’ (presumably so that rain appears in the correct/preferred default units) so $unit.label.snow will result in ‘mm’.
Gary On Tuesday, 30 November 2021 at 11:12:06 UTC+10 [email protected] wrote: > That makes sense, but then why not just use $unit.label.snow? > > On Mon, Nov 29, 2021 at 4:57 PM gjr80 <[email protected]> wrote: > >> I think, reading between the lines, the issue may be that the OP wants to >> include something like snow in a WeeWX generated data file to be used by >> Highcharts, but using cm instead of mm as (seemingly) used for rain. I >> would expect that instead of passing something like '23 cm' in a single >> field Highcharts would want the value 23 in one field and 'cm' in another. >> The former can be obtained (for example) via $day.snow.cm.raw or >> $day.snow.cm.format(add_label=False) but there is no tag to get the unit >> label for 'cm' when your default unit for group_rain is mm. The only >> solution I can think of short of digging into the WeeWX internals is some >> in-line python code that parses the result of $day.snow.cm. Or >> hardcoding cm, but that is rather limiting. >> >> Gary >> On Tuesday, 30 November 2021 at 10:20:02 UTC+10 [email protected] wrote: >> >>> Not understanding your question. The $unit tag is designed to retrieve >>> the reporting unit being used by an observation type. Why would you want to >>> retrieve something different? >>> >>> If you want the value of a type in a different unit, you can do >>> something like: >>> >>> *$day.rain.sum.cm <http://day.rain.sum.cm>* >>> >>> This will give the rain since midnight in cm. Is this what you are >>> looking for? >>> >>> -tk >>> >>> >>> On Mon, Nov 29, 2021 at 8:46 AM František Slimařík <[email protected]> >>> wrote: >>> >>>> Hello, >>>> >>>> I have question regarding tag $unit. When I have for example tag >>>> $unit.label.rain it will show me " mm". Is there any way how to show >>>> different type of unit in case I want to show snow in my highchart graph >>>> and use this tag option? Like $unit.label.rain.cm? >>>> >>>> Thanks for answer. >>>> >>>> -- >>>> 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/6ef88b26-06fb-464f-bee1-0968a91234a4n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/weewx-user/6ef88b26-06fb-464f-bee1-0968a91234a4n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> 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/2726ca14-e831-4f1e-9da3-bebebb251df4n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/weewx-user/2726ca14-e831-4f1e-9da3-bebebb251df4n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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/94d6c41a-0657-4eca-a5a8-c34d4c9512e7n%40googlegroups.com.
