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Re: Defining IDL structures given variable type, width and precision [message #54073 is a reply to message #54061]

Wed, 16 May 2007 20:24

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Jonathan Greenberg writes:

> Is there a trick to defining an IDL structure with the appropriate
> variable types given that type, width and precision of each variable?
> I am extracting data from a .dbf file, then using the envi_write_dbf
> command to basically copy the dbf file, but I'm running into problems
> with a string field in the original DBF that appears to be longer than
> simply assigning that field during the create_struct portion to be '',
> e.g.
>
> structure=create_struct(structurename:'') <- how would I assign that
> if I know the type is "7" (string), width=43, precision=0

Strings in IDL can be any "width", so this must be a .dbf file
requirement. It is probably better to save the string as
a byte array, in this case, and convert to and from a string as
needed.

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: Defining IDL structures given variable type, width and precision By: Vince Hradil on Thu, 17 May 2007 07:07
		Re: Defining IDL structures given variable type, width and precision By: David Fanning on Wed, 16 May 2007 20:24

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