Another experiment with the (new) DWD SQlite database - sadly failing:
>From weewx customization guide I've learned that one might use (simple SQL)
expressions to calculate new data within image generation. I gave it a try
to calculate the windChill from the available SQL data like
[[[daytempfeel]]]
[[[[windchill]]]]
[[[[heatindex]]]]
[[[[forecast_windchill]]]]
data_type = windchillMetric(outTemp, windSpeed)
data_binding = dwd_binding
label = ' '
color = red
That stopped the image generator from further processing. Is this somehow
possible?
Michael Waldor schrieb am Mittwoch, 8. März 2023 um 14:01:05 UTC+1:
> Thanks for that hint - currently I'm still experimenting with this new
> functionality.
>
> In the meantime I could resolve my problem with seasons.css - it was a
> problem with caching within firefox. Even after deletion of
> /var/www/htmp/weew/seasons.css firefox did render it after reload/refresh.
> But when new images have been generated the missing seasons.css become
> obvious, and a new seasons.css will be used. Thus one problem solved!
>
>
> Cameron D schrieb am Mittwoch, 8. März 2023 um 13:50:40 UTC+1:
>
>> I do the image size change at the top level, so that all images are the
>> same size. I am not sure what happens if only one image is larger.
>>
>> I tested with Firefox (windows x64) and Apache server.
>>
>> Use F12 and inspect where the size directive is coming from, if you feel
>> brave.
>>
>> On Wednesday, 8 March 2023 at 10:42:40 pm UTC+10 Michael Waldor wrote:
>>
>>>
>>> Thanks for your quich reply. Changing the image size works fine in
>>> skin.conf, but modifing seasons.css (for testing purpose at
>>> /var/www/html/weewx being served by nginx) had no effect. Mayby cached
>>> within firefox dspite reload?
>>>
>>> This is my current (testing) status within skin.conf - image sizes
>>> currently intentionally commented:
>>>
>>> [[[daytempdew]]]
>>>
>>> # image_width = 600
>>>
>>> # image_height = 180
>>>
>>> [[[[outTemp]]]]
>>>
>>> data_type = outTemp
>>> data_binding = wx_binding
>>> [[[[dewpoint]]]]
>>> data_type = dewpoint
>>> data_binding = wx_binding
>>> [[[[forecast_outTemp]]]]
>>> data_type = outTemp
>>> label = ' '
>>>
>>> data_binding = dwd_binding
>>> color = blue
>>>
>>> [[[[forecast_dewpoint]]]]
>>> data_type = dewpoint
>>> label = ' '
>>> data_binding = dwd_binding
>>> color = red
>>>
>>> Cameron D schrieb am Mittwoch, 8. März 2023 um 13:33:09 UTC+1:
>>>
>>>> 1. edit the width in skin.conf
>>>> 2. edit the value in seasons.css for #history_widget (where it says to
>>>> match the skin.conf value)
>>>> 3. copy the css file into place (I forgot that!)
>>>> 4. ctrl-refresh to get full reload.
>>>>
>>>> On Wednesday, 8 March 2023 at 8:52:17 pm UTC+10 Michael Waldor wrote:
>>>>
>>>> ...
>>>>
>>>> Next I wanted to increase the image size form the default 500px to
>>>> 600px. Again trivial by adding image_width within some image in skin.conf.
>>>> Works fine, the created image has the requested width of 600. But it is
>>>> shrunk to 500px probadely by seasons.css. I tried to modify seasons.css
>>>> within history_widget (from 500px to 600px). Modifing the css seems to
>>>> have
>>>> no effect on the rendering (tried to reload the web page after changing
>>>> css
>>>> at server location).
>>>>
>>>> ...
>>>>
>>>>
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