Hello,

I am having a problem with 'convert' converting thumbnail PNGs
from TIF at 10% original size.

I am using imagemagick on linux.

Everything was working fine before, and as far as I can tell
nothing has changed on the computer system itself.

The problem manifests itself as smearing and garbage
in the output PNG files.

I have looked at the input TIF files and they look fine.

My command line looks like this:

convert -resize 10% MER.tif thumbnail/MER.png

The output PNG images are created at 10% of original
size but there are smears of color from bright spots
across the PNG from top left to bottom right.

As stated before, this was all working fine before.
Is there a full directory or /tmp file somewhere
that may be causing problems?

Is this a problem with libpng?

I updated to the latest version of imagemagick but
the problem remains.

Thanks for any insight,

P.

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