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Re: How to make a pie chart [message #23179]

Fri, 12 January 2001 22:38

Jason P. Meyers
Messages: 24
Registered: September 2000

Junior Member

I just performed a quick search on the word "pie" at:
http://www.rlkling.com/

and the following needle was amongst the thick haystack:
http://www.astro.washington.edu/deutsch-bin/getpro/library39 .html?PIE_PLOT

I hope this works for you.

Enjoy,
Jason Meyers
PhD Student, Center for Imaging Science
Rochester Institute of Technology
jpm7934@rit.edu

Norbert Hahn wrote:

> Having written a large IDL program that gathers the data
> and brushes them up I need to plot the results in a pie
> chart. Using plot with /polar doesn't look pretty enough.
>
> Is there some other routine around that I may have overlooked?
>
> Norbert

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Re: How to make a pie chart [message #23196 is a reply to message #23179]

Fri, 12 January 2001 08:54

Liam E. Gumley
Messages: 378
Registered: January 2000

Senior Member

Norbert Hahn wrote:
> Hm, well next I need to tell Excel to produce a GIF from that pie chart
> and imbed that in CGI script such that our Apache web server on a
> Linux box can send it. A IDL only solution would be much easier...

The following may be useful:
http://www.gnuplot.org/
http://www.usf.uni-osnabrueck.de/~breiter/tools/piechart/pie charts.en.html
http://www.usf.uni-osnabrueck.de/~breiter/tools/piechart/war ning.en.html

Cheers,
Liam.
http://cimss.ssec.wisc.edu/~gumley

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Re: How to make a pie chart [message #23200 is a reply to message #23196]

Fri, 12 January 2001 08:20

hahn
Messages: 108
Registered: November 1993

Senior Member

Med Bennett <mbennett@indra.com> wrote:

> I would use Excel. Using IDL to make a pie chart is, well, kind of like
> using Excel to make a surface plot or contour map.

Tank you Med,

Hm, well next I need to tell Excel to produce a GIF from that pie chart
and imbed that in CGI script such that our Apache web server on a
Linux box can send it. A IDL only solution would be much easier...

Norbert

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Re: How to make a pie chart [message #23204 is a reply to message #23200]

Fri, 12 January 2001 06:43

Med Bennett
Messages: 109
Registered: April 1997

Senior Member

I would use Excel. Using IDL to make a pie chart is, well, kind of like
using Excel to make a surface plot or contour map.

Norbert Hahn wrote:

> Having written a large IDL program that gathers the data
> and brushes them up I need to plot the results in a pie
> chart. Using plot with /polar doesn't look pretty enough.
>
> Is there some other routine around that I may have overlooked?
>
> Norbert

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Re: How to make a pie chart [message #23366 is a reply to message #23179]

Mon, 15 January 2001 06:58

hahn
Messages: 108
Registered: November 1993

Senior Member

"Jason P. Meyers" <jpm7934@cis.rit.edu> wrote:

> I just performed a quick search on the word "pie" at:
> http://www.rlkling.com/
>
> and the following needle was amongst the thick haystack:
> http://www.astro.washington.edu/deutsch-bin/getpro/library39 .html?PIE_PLOT

Thank you very much for that URL. It seems to be pretty close
to that what I need. I checked it with some test data and
finally got a pie chart. I ran it on Win 98 in true color
mode and ended up finding the plot in the Z device. I think
that can easily be cured as I need the data in a bitmap to
write as GIF.

Thanks for the other hints - I thought of using GNUplot as well
but if I could stay within IDL it would be easier.

Norbert

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