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[Octave-bug-tracker] [bug #52599] gnuplot shows shaded images with imsho

From: Dan Sebald
Subject: [Octave-bug-tracker] [bug #52599] gnuplot shows shaded images with imshow
Date: Wed, 6 Dec 2017 15:28:44 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #1, bug #52599 (project octave):

Try the attached patch.

The image you are seeing is range 0-63 for 8-bit image, which naturally comes
out darker.  I can't recall why I would have scaled the true-color data to the
range of the color map for Truecolor data.  gnuplot does have a means of
generating images through a color map (and I'm sure that's what was on my mind
at the time), but that's not pertinent to 3-component data.  In any case, I
don't see any adverse effects in "rundemos draw" with the attached patch.

(file #42585)

Additional Item Attachment:

File name: octave-gnuplot_tk_truecolor_do_no_scale-djs2017dec06.patch Size:1


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