Re: Frustrated by 2 Data Plotting problems [message #76292 is a reply to message #76279] |
Thu, 26 May 2011 16:11   |
David Fanning
Messages: 11724 Registered: August 2001
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Senior Member |
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Gianguido Cianci writes:
> I am guessing the advantage is that, "cgplotS" (whether I pass COLOR or SYMCOLOR) has to loop over every dot, but "cgplot, /over" does not?, not in the same way...?
> I suppose I could further speed things up by replacing the looped WHERE with a histogram... still, I can now pretty plot 100k dots in 4s (with Z buffer, 6s with X) rather than 80-90s!
Gianguido, would you like to send me the data you
are using? This might make a very nice article,
and I would love to know more about that
automatic bin sizing program! :-)
Don't reply to this posting, but I can be found in
the usual place. :-)
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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