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| Re: Number precision using READ_ASCII [message #45507 is a reply to message #45503] |
Tue, 13 September 2005 08:36  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Julio writes:
> I'm using READ_ASCII to read a text file, like this:
>
> ; ENVI Point Collection
> ; projection info =3D {Geographic Lat/Lon, WGS-84, units=3DDegrees}
> ; Image X, Image Y, Lat, Lon
> 1997.00 3636.00 -24.572741 -53.650743
> 1923.00 3572.00 -24.555407 -53.672654
>
> I'm reading only the lat/lon values, but it cuts the last to numbers.
> Example:
>
> -53.650743 is being read as -53.6507
>
> How can I avoid it?
I seriously doubt this is what is happening. It is MUCH
more likely that when you print the number to the display
screen you are using a print format that doesn't have
enough decimal places. Try something like this:
Print, lat, Format='(F10.6)'
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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