On Wednesday, November 8, 2017 at 5:03:36 AM UTC-5, Stanislaw Kaminski 
wrote:
>
> Hi,
> To the chase: ImageGenerator seems to be malfunctioning in my 
> installation. It generates barely readable images, and some of them are not 
> even finished - I'm attaching one that shows all the symptoms. You may 
> notice that it lacks bottom ~40 px.
>
> There are no error messages in log or debug log during generation, Weewx 
> seems happy with the results. I'm less thrilled :-)
>
> Might be related to system update (I'm running ArchARM), might be related 
> to some sensors going offline for some time (batteries needed replacing). 
> Other than that, no idea.
>
> All the images generated are corrupt, just in different level - they are 
> all unreadable, but some of them have only top 50-100 px, some more.
>
> What might be causing this?
>

maybe weewx has an undocumented 3d-mode - perhaps if you put on some 
old-skool green-red 3d glasses it would make sense? :)

first make sure that you are not having network transfer problems - either 
view the images directly from the disk where weewx emitted them, or copy 
them using scp/rsync to ensure that you are not experiencing some kind of 
systemic copy issues.

it is more likely due to the python imaging library.  what version of 
PIL/Pillow are you using, and how did you install it?

m

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