for example this one here:

https://commons.wikimedia.org/wiki/File:Ceremony_dupont_circle_fountain_31125a.tif

i stopped uploading LOC tiff files for this reason

On Wed, Oct 28, 2015 at 2:56 PM, Brian Wolff <[email protected]> wrote:

> There shouldn't be (anymore). Do you have any examples of files with that
> error?
>
> There are a few (I mean few as in probably less than 10 over all of
> commons) tiff files that don't render that I am aware of, but they
> don't have that error and instead just time out.
>
> --
> -bawolff
>
> On 10/28/15, J Hayes <[email protected]> wrote:
> > thanks - non-render size up to 50 MP which should get most images in use
> >
> > but there are still some larger
> > " Error creating thumbnail: Invalid thumbnail parameters or TIFF file
> with
> > more than 50 MP "
> >
> > On Wed, Oct 28, 2015 at 2:16 PM, Brian Wolff <[email protected]> wrote:
> >
> >> On 10/28/15, J Hayes <[email protected]> wrote:
> >> > large tiffs are not rendering in commons.
> >> > "The bug is in the MediaWiki thumbnail generator,"
> >> >
> >>
> https://commons.wikimedia.org/wiki/Commons:Help_desk/Archive/2015/02#Polar_bear_in_a_snowstorm.3F
> >> >
> >> > vipscaler might be a solution
> >> > https://meta.wikimedia.org/wiki/Wikimedia_Blog/Drafts/VipsScaler
> >>
> >> Oddly enough, vips scalar was the problem here. There used to be a bug
> >> that causes that, its been fixed now (for a long time now), but the
> >> old version was cached. If you see any images that are almost entirely
> >> white with a bit of black around the edges, do ?action=purge to the
> >> image description page.
> >>
> >> However there appears to be a second bug (
> >> https://phabricator.wikimedia.org/T116947 ). Rendering the file in
> >> sizes less then 2523px seems to be broken.
> >>
> >> --
> >> -bawolff
> >>
> >> _______________________________________________
> >> Glamtools mailing list
> >> [email protected]
> >> https://lists.wikimedia.org/mailman/listinfo/glamtools
> >>
> >
>
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