Re: [Gimp-user] 32bit float image opens white?

[Casey Connor <gimp-user-list caseyconnor org>]

Well, I'll be darned if I can make it happen now. It happened about 40 
times in a row, I got the example all ready, it happened with that as 
expected, uploaded it, sent the message to the list, and it magically 
never happens. Rebooted, still doesn't happen. Also doesn't happen with 
all the images I was seeing it with yesterday.

I did nothing at all in gimp except open the test images and convert 
between precisions. E.g. no changing of settings or moving of windows or 
doing anything else in the OS in general. The "perceptual gamma" vs 
"linear light" setting was probably the only thing that changed, but 
nothing I do with it now seems to make the bug come back.

Tried after removing my .gimp*/ and .config/GIMP directories, no change.

So... Nevermind, I guess? :-) I'll let you know if I see it again. It's 
just weird that it happened repeatedly and predictably over a couple 
days, and then it suddenly stops... the magic of asking the mailing 
list, I suppose. :-)

-c

On 02/06/2017 11:32 AM, gimp-user-list gnome org wrote:
> Ack, hold on, it suddenly started working somehow, even after 
> repeatedly not working as I prepared that email... stand by...
>
> On 02/06/2017 11:29 AM, Casey Connor wrote:
> > > Is it possible to get hold of this image to test it?
> >
> > Sure, here's one -- http://lacinato.com/pub/gimp/wilber_median.tif
> >
> > It happens on any image; and it turns out it's not just white, it's 
> > some kind of clipped version of the image, apparently. Changing to 
> > any floating point format doesn't help; changing to an integer format 
> > makes it appear correctly. Note that the layer thumbnail appears 
> > correctly (presumably it's converted to an integer format when 
> > generated.)
> >
> > How I made and checked the image:
> >
> > $ wget https://www.gimp.org/images/frontpage/wilber-big.png
> > $ gmic -median_files w\*.png -o wilber_median.tif
> > $ identify wilber_median.tif
> > wilber_median.tif TIFF 300x224 300x224+0+0 32-bit sRGB 1.077MB 0.000u 
> > 0:00.000
> > $ gimp wilber_median.tif
> >
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