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Re: redout of "name", "type" and "value" tags into a string [message #54119 is a reply to message #54118]

Mon, 21 May 2007 07:06

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On May 21, 5:03 am, BavarianMike86 <jo.mich...@gmx.de> wrote:
> Hello!
> I hope you can help me:
>
> I have a structure. I can redout and print the structure tags using
> the TAG_NAMES function.
> But I also want to readout the "Type" and "Value" tags into a string
> array.
> How can I do that?
>

Hi,

Getting the type names isn't too hard. You could wrap the follwoing
into a function.

IDL> n = n_tags(!X)
IDL> s = STRARR(n)
IDL> for i =0,n-1 do s[i]=SIZE(!X.(i),/TNAME)
IDL> print, s

But getting the value is not straight forward as a structure field
could be quite complex, like a pointer, object or another structure.
Besides, that is really what the "." operator does for you, it returns
the value of the field. Like...

print, !X.range

Ben

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[Message index]

		Re: redout of "name", "type" and "value" tags into a string By: BavarianMike86 on Wed, 23 May 2007 08:33
		Re: redout of "name", "type" and "value" tags into a string By: Vince Hradil on Mon, 21 May 2007 11:23
		Re: redout of "name", "type" and "value" tags into a string By: David Fanning on Mon, 21 May 2007 09:16
		Re: redout of "name", "type" and "value" tags into a string By: Foldy Lajos on Mon, 21 May 2007 09:16
		Re: redout of "name", "type" and "value" tags into a string By: BavarianMike86 on Mon, 21 May 2007 08:55
		Re: redout of "name", "type" and "value" tags into a string By: Vince Hradil on Mon, 21 May 2007 07:07
		Re: redout of "name", "type" and "value" tags into a string By: ben.bighair on Mon, 21 May 2007 07:06

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