On Saturday, February 18, 2017 at 5:56:41 PM UTC-8, tempus wrote:
>
> On Saturday, February 18, 2017 at 5:43:42 PM UTC-8, gjr80 wrote:
>>
>> Yes, thought it would, my gauges exhibit the same behaviour. The
>> SteelSeries gauges do a lot of funky stuff to calculate gauge scales etc, I
>> need to sit down and work through the data.
>>
>> Of course, we could just disable F :)
>>
>> Gary
>>
>>
>> I will have a look at the code myself when I have time.
>
> While you are looking, I noticed another issue. The gauge wind speed is
> 0.1 MPH less than shown on the Davis console.
>
> 1 MPH shows as 0.9 MPH
> 2 MPH shows as 1.9 MPH
> 3 MPH shows as 2.9 MPH
> etc.
>
> Bob
>
This was found to be due to a loss of precision resulting from Rtgd
converting F to C and JavaScript then converting C back to F. This and
other issues were fixed by specifying US units in weewx, like this:
[RealtimeGaugeData]
...
[[Groups]]
group_pressure = inHg
group_rain = inch
group_rainrate = inch_per_hour
group_speed = mile_per_hour
group_distance = mile
group_temperature = degree_F
group_percent = percent
group_uv = uv_index
group_direction = degree_compass
And by adding US 'StringFomats', like this:
[[StringFormats]]
degree_C = %.1f
degree_F = %.1f
degree_compass = %.0f
hPa = %.1f
inHg = %.3f
inch = %.2f
inch_per_hour = %.2f
km_per_hour = %.0f
km = %.1f
knot = %.0f
mbar = %.1f
meter = %.0f
meter_per_second = %.1f
mile_per_hour = %.0f
mile = %.1f
mm = %.1f
mm_per_hour = %.1f
percent = %.0f
uv_index = %.1f
watt_per_meter_squared = %.0f
Bob
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