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Re: Append tag to an array of structures [message #34539 is a reply to message #34535]

Wed, 26 March 2003 13:01

Wayne Landsman
Messages: 117
Registered: January 1997

Senior Member

JD Smith wrote:
> Anyone have a clever method for appending a tag to an array of
> structures? For a single structure, it's easy:
>
> new_struct=create_struct(struct,'NewTag',1.21)

Well, I would hardly call it clever or efficient but one way is to
create a structure of the right size and then use the copy_struct.pro
procedure in http://idlastro.gsfc.nasa.gov/ftp/pro/structure/copy_struct. pro
to copy all the previous tag information

n = N_elements(struct)
new_struct = replicate(create_struct(struct[0],'NewTag',1.21),N)
copy_struct, struct, new_struct

--Wayne Landsman landsman@mpb.gsfc.nasa.gov

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		Re: Append tag to an array of structures By: JD Smith on Wed, 26 March 2003 16:29
		Re: Append tag to an array of structures By: Wayne Landsman on Wed, 26 March 2003 13:01

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