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Re: READCOL compilation error [message #41788 is a reply to message #41787]

Tue, 07 December 2004 11:14

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Tyler writes:

> I hope someone can help me out here. First off, I am an IDL virgin,

Oooh, a... Oh, never mind. :-(

> and making my first plots as of today...So I apologize if my question
> is trivial, but there doesn;t seem to be an answer posted for the
> compliation error i get.
>
> Presently, I am trying to contour up some data [x,y,z] and have it
> stored in an ASCII file xyz.dat.
>
> I am intend to use the READCOL function to open and read the data, but
> I can't seem to compile the READCOL program. (I assumed I have to
> compile READCOL first before i can call it in my own procedure.)
> Anyways, I get the following error:
>
> ================================ SNIP
> ====================================
>
> [thayes@somemachine ~virIDL]$ idl
> IDL Version 6.0 (linux x86 m32). (c) 2003, Research Systems, Inc.
>
> IDL> .compile READCOL
>
> tst = strnumber(var[i],val,hex=hex[i]) ;Valid
> number?
> ^
> % Syntax error.
> At: /home/thayes/virIDL/READCOL.pro, Line 244
> % 1 Compilation error(s) in module READCOL.
> IDL>
> ================================ SNIP
> ====================================
>
> I have absolutely NO IDEA what is wrong here....Have I downloaded the
> wrong version? The one I have was last modified in May 2002.

No, you have the right version. But you don't have all
the programs you need. Look at the header to READCOL and
you will find a section entitled "Procedures Called". You
will need all those other routines, too. In fact, just go
download the whole NASA Astronomy library. You could do
a LOT worse and you will probably learn something by reading
some well-written code!

http://idlastro.gsfc.nasa.gov/homepage.html

> Cheers and thanks in advance for any help or advice you may have.

Get a good book. There are a couple. :-)

> PS - My actual procedure to create the contoured data set, which calls
> READCOL is also given at the end of the posting. Any suggestions are
> greatly appreciated!

Uh, well. We don't normally use the PostScript device as a display
device. (Actually, this seems to be common in astronomy. Are you an
astronomer?) Most of us look at plots on the computer display.
Then, when we see something we like, we make a PostScript file
of it. You will get the hang of it soon. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: READCOL compilation error By: David Fanning on Wed, 08 December 2004 07:06
		Re: READCOL compilation error By: Evelien Vanhollebeke on Wed, 08 December 2004 00:24
		Re: READCOL compilation error By: newbie16 on Tue, 07 December 2004 17:43
		Re: READCOL compilation error By: newbie16 on Tue, 07 December 2004 17:42
		Re: READCOL compilation error By: R.G.Stockwell on Tue, 07 December 2004 16:46
		Re: READCOL compilation error By: David Fanning on Tue, 07 December 2004 13:34
		Re: READCOL compilation error By: newbie16 on Tue, 07 December 2004 12:06
		Re: READCOL compilation error By: David Fanning on Tue, 07 December 2004 11:18
		Re: READCOL compilation error By: David Fanning on Tue, 07 December 2004 11:14
		Re: READCOL compilation error By: R.G.Stockwell on Tue, 07 December 2004 11:06

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