Re: Arrays of Structures

[Craig Markwardt <craigmnet(at)cow.physics.wisc.edu>]

The function STRUCT_ASSIGN was created in newer versions of IDL to
perform so-called "relaxed" structure assignments -- exactly what you
want.  Alas, I do not believe it will work on array elements since
they are pass-by-value.

Craig


Ben Tupper <tupper@seadas.bigelow.org> writes:

> Ah!
> 
> I think I get it.   Anonymous means anonymous... but it is still unique (until
> redefined).
> 
> S1 =  {a:0, b:.1, c:''}
> A = Replicate(S1,3)
> S2 = S1
> S2.c = 'bob'
> A[1] = S2
> 
> IDL> help, s1,s2,/str
> ** Structure <37d658>, 3 tags, length=16, refs=3:
>    A               INT              0
>    B               FLOAT          0.100000
>    C               STRING    ''
> ** Structure <37d658>, 3 tags, length=16, refs=3:
>    A               INT              0
>    B               FLOAT          0.100000
>    C               STRING    'bob'
> 
> IDL> S1 = {X:1, Y:'y'}
> IDL> help, s1,/str
> ** Structure <37fda8>, 2 tags, length=12, refs=1:
>    X               INT              1
>    Y               STRING    'y'
> 
> Thanks,
> 
> Ben
> 
> 
> --
> Ben Tupper
> 
> Bigelow Laboratory for Ocean Science
> tupper@seadas.bigelow.org
> 
> pemaquidriver@tidewater.net
> 
> 
> 

-- 
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Craig B. Markwardt, Ph.D.         EMAIL:    craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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