Thanks Tom, I figured it out but posted the message by mistake instead of
deleting it. I used #set $rainacc = round($rainacc + $record.rain.raw,2)
On Thursday, December 19, 2024 at 1:48:04 PM UTC Tom Keffer wrote:
> Your variable $rainacc is just a raw number. It's not the ValueHelper that
> WeeWX normally traffics in, so suffixes such as .round() and .format()
> won't work.
>
> However, Python syntax will work. Try this:
>
> $("%.2f" % $rainacc)
>
>
>
>
>
> On Thu, Dec 19, 2024 at 5:21 AM 'Rory Gillies' via weewx-user <
> [email protected]> wrote:
>
>> Thanks for the help, I've got this running pretty well now, however I
>> have an issue with formatting a variable. The WXSim developer has told me
>> the expected rain value is an accumulator for the year. I created a
>> $rainacc so the template code looks like this:
>>
>> #set $rainacc = $year.rain.sum.raw - $month.rain.sum.raw
>> #for $record in $month.records
>> #set $rainacc = $rainacc + $record.rain.raw
>> $record.dateTime.format("%d/%m/%Y
>> %H:%M"),$record.outTemp.format(add_label=False),$record.outHumidity.format(add_label=False),$record.dewpoint.format(add_label=False),$record.windSpeed.format(add_label=False),$record.windGust.format(add_label=False),$record.windDir.format(add_label=False),0,0,$record.barometer.format(add_label=False),$rainacc,0,0,0,0,0,0,$record.radiation.format(add_label=False),0
>> #end for
>>
>> This works, however the output for rain is to 13 decimals:
>> 1083.8000001314047. No matter what I do I can't seem to format it to 2
>> decimal places. I have tried $rainacc.round(2)and $rainacc.format(%.2f)
>>
> On Thursday, December 19, 2024 at 9:03:19 AM UTC Rory Gillies wrote:
>>
>>> Thanks Gary, that did the trick! Doesn't take long on my RPi 5 for 19
>>> days in December:
>>>
>>> 2024-12-19T08:55:33.656223+00:00 weewx5 weewxd[1317867]: INFO
>>> weewx.cheetahgenerator: Generated 1 files for report cumulus in 3.50 seconds
>>>
>>> Cheers,
>>>
>>> Rory
>>> On Thursday, December 19, 2024 at 3:57:23 AM UTC gjr80 wrote:
>>>
>>>> So you want to build a file with potentially 8928 rows (31 days per
>>>> month 288 records per day)?
>>>>
>>>> If so this should be able to be done solely in a Cheetah template using
>>>> just a few lines of code by iterating over the archive records in the
>>>> month. Something like (untested):
>>>>
>>>> #for $record in $month.records
>>>> $record.dateTime,$record.outTemp.format(add_label=False),.....
>>>> #end for
>>>>
>>>> Like I said untested and I haven't used record iterators for a long
>>>> time but at worst a little finessing should get you there. One thing to
>>>> note, report generation time will gradually increase as the month
>>>> progresses peaking on the last record of the last day of the month.
>>>>
>>>> Gary
>>>>
>>>> On Thursday, 19 December 2024 at 05:55:37 UTC+10
>>>> [email protected] wrote:
>>>>
>>>>> Hi, at first I thought this would be quite easy but I'm struggling a
>>>>> bit. The background is I need a text file to import into WXSim using the
>>>>> Cumulus %Y%mlog.txt format. I created a simple skin that generates the
>>>>> %Y%mlog.txt each reporting cycle (5 minutes in my case), but is there a
>>>>> way
>>>>> to append the next cycle to the existing file as a new line rather than
>>>>> overwrite it?
>>>>>
>>>>> My skin.conf looks like this:
>>>>>
>>>>> [CheetahGenerator]
>>>>> encoding = utf8
>>>>>
>>>>> [[ToDate]]
>>>>> [[[text-data]]]
>>>>> template = %Y%mlog.txt.tmpl
>>>>>
>>>>> [CopyGenerator]
>>>>> copy_always = *.txt
>>>>>
>>>>> [Generators]
>>>>> generator_list = weewx.cheetahgenerator.CheetahGenerator,
>>>>> weewx.reportengine.CopyGenerator
>>>>>
>>>>> And the template:
>>>>>
>>>>> #encoding UTF-8
>>>>> #errorCatcher Echo
>>>>> ## +------------------------------------------------------+
>>>>> ## | Cumulus Monthly Output Template |
>>>>> ## +------------------------------------------------------+
>>>>> ## | Produces a YYYYmmlog.txt output for import to WXSim |
>>>>> ## +------------------------------------------------------+
>>>>>
>>>>>
>>>>>
>>>>> $current.dateTime,$current.outTemp.format(add_label=False),$current.outHumidity.format(add_label=False),$current.dewpoint.format(add_label=False),$current.windSpeed.format(add_label=False),$current.windGust.format(add_label=False),$current.windDir.format(add_label=False),,,$current.barometer.format(add_label=False),$day.rain.sum.format(add_label=False),,,,,,,$current.radiation.format(add_label=False),
>>>>>
>>>>> Which produces a text file called 202412log.txt:
>>>>>
>>>>> 18/12/24 19:40:00,6.3,82,3.4,10,37,266,,,982.8,15.4,,,,,,,0,
>>>>>
>>>>> WXSim can read this, however it only contains a single observation
>>>>> period. I would like to append the data to the file until the month is
>>>>> complete, then generate a new file for the next month. Any ideas? It will
>>>>> likely need some Python which is not my strongpoint, although I can get
>>>>> around it a bit...
>>>>>
>>>>> I'm running WeeWX 5.1 if it makes it easier. TIA
>>>>>
>>>> --
>>
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