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convert eps to gif with transparency gives jaggy result

Posted: 2014-02-15T05:33:31-07:00
by mwboy
I have been using ImageMagick for many years to convert EPS to GIF files. This works fine in older versions of IM on my very old iMac. However, attempting the conversion in a modern version of IM on my newer machines consistently gives different and very ugly results. Any idea what the problem could be? Here is what I am doing:

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convert -colorspace rgb -transparent white -density 100% -interlace Plane infile.eps outfile.gif
infile:
https://www.dropbox.com/s/uqvq3s5rmwneduf/infile.eps

bad outfile:
https://www.dropbox.com/s/fooau4rxkey8v ... le-bad.gif

correct outfile:
https://www.dropbox.com/s/mx6bglk4eteck ... e-good.gif

Thanks,
-Eric

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-15T10:21:05-07:00
by magick
Try this command:
  • convert -colorspace rgb -transparent white -density 400 infile.eps -resize 25% -interlace Plane outfile.gif

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-15T11:14:52-07:00
by mwboy
Thanks, but I'm afraid that's even worse than before:

https://www.dropbox.com/s/j273q704b4qix ... le-new.gif

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-15T11:19:58-07:00
by mwboy
(FWIW, replacing outfile.gif with outfile.png in the original code gives a beautiful result)

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-16T01:20:58-07:00
by snibgo
The result from ...

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convert infile.eps -background White -flatten e.gif
... looks good to me. IM v6.8.8-0 on Windows 8.1.

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-16T02:54:59-07:00
by dlemstra
Did you install the latest version of GhostScript on your newer machine?

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-16T22:12:48-07:00
by mwboy
Yes: GPL Ghostscript 9.10 (2013-08-30)

And I should mention that even the output of

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convert infile.eps outfile-test.gif 
is bad :(

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-16T23:11:52-07:00
by fmw42
what happens with

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convert -density 300 -colorspace sRGB infile.eps outfile-test.gif

Re: convert eps to gif with transparency gives jaggy result

Posted: 2014-02-17T09:27:36-07:00
by mwboy
what happens with...
That output looks fine.