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Some pngs are not shown correctly on thumbnails

Posted: 25 Dec 2007, 17:01
by Pajarico
Hi,
Some of my last uploads are not rendering quite well. Check Nomad_hut02.png for example:
http://wiki.themanaworld.org/index.php/ ... co#Gallery
Others like hut01 or hut05 are displayed correctly and all of them were uploaded around the same time.

Regards.

Posted: 25 Dec 2007, 19:53
by Platyna
What is incorrect in it?

Regards.

Posted: 25 Dec 2007, 20:20
by Quiche_on_a_leash
It's missing it's red channel from what I can see.

Posted: 25 Dec 2007, 21:29
by Pajarico
Quiche_on_a_leash wrote:It's missing it's red channel from what I can see.
Probably. The strange part is that the white parts are still white, whereas suppressing the red channel should make white parts cyan (green+blue)

Posted: 25 Dec 2007, 22:03
by Platyna
IMHO, whatever, a thumbnail is something that is supposed to give a hint what is "under" it, not small state of the art pic.

Regards.

Posted: 26 Dec 2007, 12:11
by Pajarico
And I'm not discussing that. The point is that the thumbnails are broken. If you don't consider that the work invested in fixing is not equaled by the usefulness of having it fixed, then fine.

Posted: 26 Dec 2007, 16:43
by Jaxad0127
It looks like a bad compression algorithm. The red channel wasn't dropped, if it were the tent would be black, not cyan. The red in the tent was replaced by the cyan in the sky.

Posted: 27 Dec 2007, 10:55
by Pajarico
I'm not sure, some were compressed by xsane and some by krita, but not every image compressed in krita is faulty, and not every image compressed with xsane is ok, so it's a mixed bag.