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Re: Using SYMCAT with LEGEND [message #56489]

Thu, 25 October 2007 22:10

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

willettk@gmail.com writes:

> When I execute this, however, LEGEND plots all three datasets as
> filled circles (SYMCAT(16)), when it should go [filled diamond, filled
> square, filled circle]. There are ways around this (making my own
> legend by hand, for a start), but I'd like to know if anyone has a
> quick solution for making these two programs work with each other.

OK, to make this work, I commented out lines 411 and 412:

; if (psym[I] eq 8) and (N_elements(usersym) GT 1) then $
; usersym,usersym,fill=fill,color=colors[I]

This means you won't be able to specify your own symbol in
legend anymore. (Why would you need to if you are using
SYMCAT!?)

Then, on line 422 I found the PSYM keyword and changed
it from "psym=psym[I]" to "psym=SYMCAT(psym[I])".

Done.

Then, I tried this:

IDL> items = ['Filled Square', 'Hourglass', 'Filled Star']
IDL> sym = [15, 21, 46]
IDL> Legend, items, PSYM=sym

For a quick and dirty solution, it's not so bad. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Using SYMCAT with LEGEND By: David Fanning on Thu, 25 October 2007 22:10
		Re: Using SYMCAT with LEGEND By: David Fanning on Thu, 25 October 2007 16:07
		Re: Using SYMCAT with LEGEND By: willettk on Fri, 26 October 2007 13:32

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