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Re: Multiple surface plotting
- Subject: Re: Multiple surface plotting
- From: davidf(at)dfanning.com (David Fanning)
- Date: Wed, 30 May 2001 14:02:41 -0600
- Newsgroups: comp.lang.idl-pvwave
- Organization: Fanning Software Consulting
- References: <3B154860.42B79A21@noaa.gov>
- Xref: news.doit.wisc.edu comp.lang.idl-pvwave:25149
Paul van Delst (firstname.lastname@example.org) writes:
> I want to plot out a number of intersecting surfaces, different colours, some shaded, some gridded.
> After some inquiries, I was lead to Struan Gray's excellent web page and once I figured out how to
> use the Z-buffer, I had great looking plots of exactly what I wanted .... onscreen (or in a web
> When I output to a file using the recommended TVRD() from z-buffer and then tv'ing after a
> set_plot,'PS', or writing the tvrd() result to a png file is a result that looks quite awful when
> What I would dearly love to do would be to create postscript output directly rather than doing a
> TVRD() of the z-buffer and then tv'ing it to PS output. Does anyone know if this is possible and if
> so, how? All the z-buffer exmaples I've seen use TVRD() and TV for output.
Well, here are two suggestions:
(1) That Z-buffer can be made pretty darn big. Big enough,
probably, so that you could make nice PostScript output.
(2) Do the same thing in object graphics. The object graphics
system *is* a Z-buffer!
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: email@example.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155