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Re: Arrays [message #39976 is a reply to message #2860]

Tue, 29 June 2004 11:48

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

rats@mail.geog.uvic.ca (Rafael Loos) writes:
> Hi, I am new with IDL and I am having some problems with arrays.
> I have a file with 4 column and 5,607,515 rows.
>
> Example of one line: 3 492515.080 5506165.090 98.320
>
> I am separating all the columns in different arrays (1, 5607515)
>
> The problem is when I try to visualize the SECOND column (492515.080)
> ... what I see is just the numbers before de "point" and the point (eg
> 492515.) all the numbers after I can not see ...
> With the other columns that is not a problem ... just with the second
> ... What am I doing wrong ?

...
> data = FltArr(4, 5607515)
...

Have you considered that your numbers require double precision (>7
digits), and you are using only single precision floating point (< 7
digits)?

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@REMOVEcow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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[Message index]

		ARRAYS By: mallozzi on Thu, 08 September 1994 08:04
		Re: Arrays By: rats on Wed, 30 June 2004 08:43
		Re: Arrays By: David Fanning on Tue, 29 June 2004 17:27
		Re: Arrays By: David Fanning on Tue, 29 June 2004 17:26
		Re: Arrays By: rats on Tue, 29 June 2004 16:18
		Re: Arrays By: Craig Markwardt on Tue, 29 June 2004 11:48
		Re: Arrays By: David Fanning on Tue, 29 June 2004 10:32

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