| Re: More cgplot, ps_start, ps_end problems [message #75252 is a reply to message #75251] |
Sat, 19 February 2011 10:35   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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David Fanning writes:
> Well, actually, it appears ImageMagick is struggling a bit
> with encapsulated PostScript files. I'll have to look into
> this some more. I've never tried to turn encapsulated
> PostScript files into raster files, so I don't know what
> that problem might be.
I am beginning to suspect that the encapsulated PostScript
files IDL produces might be the culprit here. Here is what
I have done.
I created a simple encapsulated PostScript file in IDL.
I tried to read this file in Adobe Illustrator. I couldn't
open it.
I opened another similar image file in Adobe Illustrator
and saved that as an encapsulated PostScript file.
ImageMagick had no difficulty creating a PNG file from
that encapsulated PostScript file.
I created an encapsulated PostScript file from an iPlot,
and tried to open this in Adobe Illustrator. It complained
about a missing font, but it opened the file just fine.
This file was also able to be converted to a PNG file
by ImageMagick just fine.
So, the culprit seems to be the traditional PostScript
device driver.
I seem to recall something about problems with IDL
encapsulated PostScript output, but I can't put my
finger on it. Does anyone remember? I am running
IDL 7.1.1 on Windows
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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