comp.lang.idl-pvwave archive: archive » Re: Problem Compiling and Using Functions

Home » Public Forums » archive » Re: Problem Compiling and Using Functions

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Problem Compiling and Using Functions [message #46806 is a reply to message #46805]

Wed, 04 January 2006 14:48

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

David Fanning wrote:
> someone@someplace.com writes:
>
>
>> I'm having trouble getting simple functions to work. I have the code
>> below in a single file named extract_tiles.pro. When I try and compile
>> it gives me a syntax error on the line containing
>> "extract_tiles_get_tile(fid)" in the extract_tiles procedure. If I
>> change the function to a procedure, comment out the return statement
>> and change the function call to a procedure call it works perfectly.
>>
>> It's probably a simple error, but I can't figure it out. I'm using IDL
>> 5.6 and ENVI 3.6.
>>
>> FUNCTION extract_tiles_get_tile, fImg
>> ENVI_FILE_QUERY, fImg, ns=ns, nl=nl
>> print, 'Samples: ', ns
>> print, 'Lines: ', nl
>> RETURN, 0
>> END
>>
>> PRO extract_tiles
>> ENVI_OPEN_FILE, 'image.dat', r_fid=fid
>> extract_tiles_get_tile(fid)
>> END
>
>
> Functions return a value. Try writing the function call like this:
>
> void = extract_tiles_get_tile(fid)

Man, I heard the "D'OH!" all the way over here!

:o)

--
Paul van Delst
CIMSS @ NOAA/NCEP/EMC

Report message to a moderator

[Message index]

		Re: Problem Compiling and Using Functions By: David Fanning on Wed, 04 January 2006 16:13
		Re: Problem Compiling and Using Functions By: someone[1] on Wed, 04 January 2006 15:51
		Re: Problem Compiling and Using Functions By: Paul Van Delst[1] on Wed, 04 January 2006 14:48
		Re: Problem Compiling and Using Functions By: David Fanning on Wed, 04 January 2006 14:09
		Re: Problem Compiling and Using Functions By: R.Bauer on Sat, 07 January 2006 15:04

Previous Topic:	Re: archivos
Next Topic:	Re: Unicode Question

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Nov 30 00:23:43 PST 2025

Total time taken to generate the page: 2.32305 seconds