On Wednesday, March 22, 2017 at 8:06:38 PM UTC-4, Alec Bennett wrote:
>
> Also this gives me an error:
>
> # emit image as PNG
>> cmd = "/usr/bin/tide -l LOCATION -f p -o OUTPUTFILE.png"
>
>
> Running that line directly:
>
> *tide -l "Boston" -f p -o /home/weewx/test.png*
>

you probably want this:

tide -l boston -f p -m g -o /home/weewx/test.png
 

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