Ok. We have a fix for the issue where 16-bit grey scale tiff files
were broken (Showing up as either all black, or almost all white with
a couple black lines). Its currently waiting for review. Once that
happens it will take about a week to get on site. So hopefully it will
be fixed soon.


--
-bawolff
On 10/28/15, Brian Wolff <bawo...@gmail.com> wrote:
> I meant for the " Error creating thumbnail: Invalid thumbnail
> parameters or TIFF file with more than 50 MP" error.
>
> I'm looking into the issue where they render either all white or all black.
>
> On 10/28/15, J Hayes <slowki...@gmail.com> wrote:
>> 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 <bawo...@gmail.com> 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 <slowki...@gmail.com> 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 <bawo...@gmail.com>
>>> > wrote:
>>> >
>>> >> On 10/28/15, J Hayes <slowki...@gmail.com> 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
>>> >> Glamtools@lists.wikimedia.org
>>> >> https://lists.wikimedia.org/mailman/listinfo/glamtools
>>> >>
>>> >
>>>
>>> _______________________________________________
>>> Glamtools mailing list
>>> Glamtools@lists.wikimedia.org
>>> https://lists.wikimedia.org/mailman/listinfo/glamtools
>>>
>>
>

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