My logic was correct - the fault was using the wrong variable - it should
have been trend.barometer.raw and not trend.barometer. The post was
originally from 4 years ago though!!!
On Thursday, 3 August 2017 00:24:50 UTC+3, David Bird wrote:
> I'm sure you've found the error in your logic here, but any pressure less
> than -0.1 will ONLY report 'steady' because for example -0.2 or -4 or any
> value less than -0.1 will trigger the first test. The solution is to test
> for -6 first, then -.35 and so on up to -0.1
>
> On Saturday, February 23, 2013 at 6:34:12 PM UTC, Andrew Milner wrote:
>>
>> Have been trying to change index.html.tmpl to give up and down triangles
>> for barometric trend ..... why does the following snippet always evaluate
>> to > 6 and give me rising very rapidly even when trend as printed at the
>> end after the #end if is, say, 2.5?
>>
>> #if $trend.barometer > 6
>> ▲ ▲ ▲ ▲ rising very
>> rapidly
>> #elif $trend.barometer > 3.5
>> ▲ ▲ ▲ rising quickly
>> #elif $trend.barometer > 1.5
>> ▲ ▲ rising
>> #elif $trend.barometer > 0.1
>> ▲ rising slowly
>> #elif $trend.barometer > -0.1
>> Steady
>> #elif $trend.barometer > -1.5
>> ▼ falling slowly
>> #elif $trend.barometer > -3.5
>> ▼ ▼   falling
>> #elif $trend.barometer > -6
>> ▼ ▼ ▼ falling quickly
>> #else
>> ▼ ▼ ▼ ▼ falling very
>> rapidly
>> #end if
>> $trend.barometer.format("%+.1f")
>> </td>
>> ... or am i just doing it wrong anyway??
>>
>> My bald patch is getting bigger by the minute over this .... which comes
>> hot on the heels of just having finally imported (successfully I think) 3
>> yrs worth of cumulus data (150,000 records) into sqllite and weewx ... and
>> all on my poor little raspberry pi.
>>
>>
>>
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