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Re: execute problem [message #8008 is a reply to message #7956]

Sat, 01 February 1997 00:00

alpha
Messages: 49
Registered: September 1996

Member

Phil Williams <williams@irc.chmcc.org> writes:
> R. Bauer wrote:
>> Hi,
>> here is an other problem
>> how could I solve the problem for idl 3.61?
> One way that I could think of off the top of my head would be to
> reference your structures via tag number instead of tag name. i.e.

> structure.(0).(1).(10)

> I'd imagine that there might be some overhead if you are using anonymous
> strutures to determine the tag placement. Something like,

> names = tag_names(structure)
> index1 = where(names eq structure2)
> names = tag_names(structure.(index))
> index2 = where(names eq structure3)

> etc.

> ps = ').('
> command = $
> 'print, structure.('+strtrim(index1,2)+ps+strtrim(index2,2)+ps+....

> Hope this helps,
>
Phil,

this is fine, but what can you do, if:

have to access slices of arrays in structure-tagnames???

struct={ tagname: fltarr(10,20) }

print,struct.tagname(*,12:15)

Can you programm this ?

print,struct.(1)....?????

this is the real problem with it i think.... and when you solved it,
compare the speed of your routine with the one execute you need for
it in the simple case...

Dr. Roepcke

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[Message index]

		execute problem By: R. Bauer on Thu, 30 January 1997 00:00
		Re: execute problem By: steinhh on Sun, 02 February 1997 00:00
		Re: execute problem By: alpha on Sat, 01 February 1997 00:00
		Re: execute problem By: alpha on Sat, 01 February 1997 00:00
		Re: execute problem By: steinhh on Fri, 31 January 1997 00:00

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