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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

Senior Member

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/
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[Message index]

		Re: object graphics symbols By: davidf on Fri, 14 April 2000 00:00
		Re: object graphics symbols By: Brad Gom on Fri, 14 April 2000 00:00
		Re: object graphics symbols By: davidf on Fri, 14 April 2000 00:00

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