| Re: object graphics symbols [message #19738] |
Fri, 14 April 2000 00:00 |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Brad Gom (b_gom@hotmail.com) writes:
> I was hoping that someone would reply saying either they had similar trouble
> (thus saving me the trouble of looking any deeper), or that I was crazy (thus
> forcing me to dig into my own code).
Happy to oblige. :-)
Cheers,
David
--
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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| Re: object graphics symbols [message #19739 is a reply to message #19738] |
Fri, 14 April 2000 00:00  |
Brad Gom
Messages: 49
Registered: August 1997
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Member |
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Hi David,
after spending the afternoon trying to write a general program that would show
you the symptoms I was seeing, I have somehow cured the original problem. Go
figure.
I was hoping that someone would reply saying either they had similar trouble
(thus saving me the trouble of looking any deeper), or that I was crazy (thus
forcing me to dig into my own code).
Thanks
Brad
David Fanning wrote:
>
> Do you have an example of this? This strains the imagination. :-)
>
> Cheers,
>
> David
>
> --
> 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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| Re: object graphics symbols [message #19748 is a reply to message #19738] |
Fri, 14 April 2000 00:00 |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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Brad Gom (b_gom@hotmail.com) writes:
> I trying to produce a simple 2-d plot with a large number of IDLgrPlot
> objects with symbols and no lines. The problem is that when the symbols
> are small, and there are many overlapping plot objects, many of the
> symbols disappear. It seems that many of the symbols aren't being
> rendered, or are being hidden somehow by overlapping plots.
>
> In direct graphics, if you overplot many plots with just symbols, the
> screen just gets more and more dense with pixels. In object graphics, if
> I have too many plots, I eventually end up with almost nothing showing
> up!
>
> Any ideas as to what is causing this? (or more efficient ways to plot
> thousands of possibly overlapping individual dots or symbols in object
> graphics?)
Do you have an example of this? This strains the imagination. :-)
Cheers,
David
--
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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