comp.lang.idl-pvwave archive: archive » Re: converting strings to structure tags

Home » Public Forums » archive » Re: converting strings to structure tags

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

Re: converting strings to structure tags [message #49172 is a reply to message #49157]

Wed, 28 June 2006 12:35

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

kl_tah@hotmail.com wrote:
> Hi All,
>
> does anyone know how to convert a string to a structure tag? for e. g.
> I'd like to take a string as a function argument and use it to access a
> structure tag like so (hypothetically):
>
> function example,tag,i,j
>
> restore,'struct.dat
>
> tmp=mk_struct_tag(struct(i),tag) ; i.e. tmp=struct(i).tag
>
> a=tmp(j) ; i.e. a=struct(i).tag(j)
>
> return a
>
> end
>
> thanks,
> KL
>

;; get the tag names of the structure
names = tag_names(struct)

;; find the index of the tag you are looking for
i = where(strcmp(names, tag, /fold), count)

;; access the i-th tag in the structure
if count gt 0 then tag_value = struct.(i)

Good luck,
Benjamin

Report message to a moderator

[Message index]

		Re: converting strings to structure tags By: Benjamin Hornberger on Fri, 30 June 2006 06:41
		Re: converting strings to structure tags By: maye on Fri, 30 June 2006 06:31
		Re: converting strings to structure tags By: Benjamin Hornberger on Wed, 28 June 2006 12:35

Previous Topic:	sorting column arrays
Next Topic:	IDL's THIN function, with /PRUNE option

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 15:44:18 PDT 2025

Total time taken to generate the page: 1.52111 seconds