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Re: HDF object/tag retrieval [message #55869 is a reply to message #55868]

Tue, 18 September 2007 07:19

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

leatherback writes:

> Yes. I am sure. The function returns a variable of type string:
>
>

[/color]
[color=blue]>  for i=0,nglobatts-1 do begin[/color]
[color=blue]>      HDF_SD_ATTRINFO,sd_id,i,name=n,type=t,count=c,data=d[/color]
[color=blue]>      if (t eq 'STRING' ) then print,strtrim(n),t,c,d[0,0],FORMAT=FS[/color]
[color=blue]>  else $[/color]
[color=blue]>      if (t eq 'FLOAT' )  then print,strtrim(n),t,c,d[0,0],FORMAT=FF[/color]
[color=blue]>  else $[/color]
[color=blue]>      if (t eq 'DOUBLE' ) then print,strtrim(n),t,c,d[0,0],FORMAT=FD[/color]
[color=blue]>  else $[/color]
[color=blue]>      print,strtrim(n),t,c,d[0,0],FORMAT=FI[/color]
[color=blue]>  endfor[/color]
[color=blue]>

[/color]
>
> ENVI> help, d
> D STRING = '
> GROUP = ARCHIVEDMETADATA
> GROUPTYPE = MASTERGROUP
>
> The actual string returned is roughly 11000 chars long, which
> indicates it holds all the individual tags. When printed, the string
> is structures in an XML kind-a structure (Nested meta data format).
>
> Any suggestions?

Ah, well, I guess I would switch to Liam's HDF_SD_ATTRINFO
function. :-)

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: HDF object/tag retrieval By: James Kuyper on Tue, 18 September 2007 09:17
		Re: HDF object/tag retrieval By: leatherback on Tue, 18 September 2007 08:54
		Re: HDF object/tag retrieval By: liamgumley on Tue, 18 September 2007 07:26
		Re: HDF object/tag retrieval By: David Fanning on Tue, 18 September 2007 07:26
		Re: HDF object/tag retrieval By: leatherback on Tue, 18 September 2007 07:25
		Re: HDF object/tag retrieval By: David Fanning on Tue, 18 September 2007 07:19
		Re: HDF object/tag retrieval By: leatherback on Tue, 18 September 2007 07:12
		Re: HDF object/tag retrieval By: David Fanning on Tue, 18 September 2007 06:17

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