| Re: Generating color postscript in IDL [message #22605] |
Tue, 21 November 2000 00:00 |
Liam E. Gumley
Messages: 378
Registered: January 2000
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Senior Member |
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Randall Skelton wrote:
> I am looking to generate 24 bit color postscript from IDL 5.3. Does
> anyone know if there is a way to do this? Perhaps I am being overly
> ambitious with asking for 24 bit... however, I have written all of my
> color plotting using 24 bit addresses for colors so if I cannot plot
> directly in 24 bit postscript, how do I go about converting my plots
> (which look very nice on my display) into a color postscript file.
One way is to use the PRINTER graphics device, with a color PostScript
printer (such as HP Color Laserjet PS) selected for output to a file,
e.g.
entry_device = !d.name
set_plot, 'PRINTER'
result = dialog_printersetup() ; Select HP Color Laserjet PS to file
device, /true_color
plot, indgen(10), color='FF0000'XL
device, /close_document
set_plot, entry_device
This creates a bright blue plot in IDL 5.3 for NT4. The printer dialog
takes a bit more patience on UNIX platforms, but it does work.
Cheers,
Liam.
http://cimss.ssec.wisc.edu/~gumley
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| Re: Generating color postscript in IDL [message #22607 is a reply to message #22605] |
Tue, 21 November 2000 00:00  |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Randall Skelton (rhskelto@atm.ox.ac.uk) writes:
> I am looking to generate 24 bit color postscript from IDL 5.3. Does
> anyone know if there is a way to do this? Perhaps I am being overly
> ambitious with asking for 24 bit... however, I have written all of my
> color plotting using 24 bit addresses for colors so if I cannot plot
> directly in 24 bit postscript, how do I go about converting my plots
> (which look very nice on my display) into a color postscript file.
Oh, oh. Should have used some of those ideas and programs
in that new book by ol' whatisname. PostScript doesn't do
24-bit color. :-(
That sample chapter he offers for free might help:
http://www.dfanning.com/documents/chapter9_2nd.pdf
Cheers,
David
P.S. Let's just say that one of *my* big things
is writing device-independent and color-depth
independent code. But, I have to admit, there
are days, nay weeks, when I think I'm the only
one who cares about it. :-(
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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