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Re: reading binary files [message #54495 is a reply to message #49280]

Tue, 19 June 2007 08:28

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Vince Oliver wrote:
> paul, when I do
>
> spectra = ASSOC(lun,{RecBegin:0L, Data:FLTARR(2,n), RecEnd:0L})
> spectrum = spectra[0]
> print, spectrum
>
> I endeed have:
>
> SPECTRUM STRUCT = -> <Anonymous> Array[1]
> { 58584 91.0000 2.04773e-023
> 94.0000 5.73142e-023
> 96.0000 1.12218e-022
> 98.0000 2.17056e-022
> 100.000 4.00652e-022
> ...}
>
>
> How to get these elements?

The structure components? Use the "." operator to resolve them. Try,

IDL> help, spectrum.data

For example:

IDL> spectrum={rb:-999L, data:findgen(5)+10.0, re:-999L}
IDL> print, spectrum
{ -999 10.0000 11.0000 12.0000 13.0000 14.0000
-999}
IDL> help, spectrum
SPECTRUM STRUCT = -> <Anonymous> Array[1]
IDL> help, spectrum.data
<Expression> FLOAT = Array[5]
IDL> print, spectrum.data
10.0000 11.0000 12.0000 13.0000 14.0000
IDL> print, spectrum.rb, spectrum.re
-999 -999

Check your IDL help for much more info on IDL structures.

cheers,

paulv

--
Paul van Delst Ride lots.
CIMSS @ NOAA/NCEP/EMC Eddy Merckx

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[Message index]

		Reading binary files made by Python By: Liberum on Mon, 10 July 2006 02:45
		Re: reading binary files By: Vince Oliver on Tue, 19 June 2007 09:10
		Re: reading binary files By: Paul Van Delst[1] on Tue, 19 June 2007 08:28
		Re: reading binary files By: Vince Oliver on Tue, 19 June 2007 08:06
		Re: reading binary files By: Paul Van Delst[1] on Tue, 19 June 2007 07:47
		Re: reading binary files By: Vince Oliver on Tue, 19 June 2007 07:16
		Re: reading binary files By: Wox on Tue, 19 June 2007 06:06
		Re: reading binary files By: Wox on Tue, 19 June 2007 06:00

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