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Re: envi_setup_head for TIFF [message #56152 is a reply to message #56150]

Fri, 05 October 2007 11:54

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Leonardo R. Sbaraini wrote:
> I read one single value (float) and
> it returned a value different from that ought to be.

> IDL prints:
> 1.2748951e-310
>
> Real value in SRF file created before: 0.000000

Leonardo,

A float can be up to +- 10^38, with 7 significant digits.... so your
value is likely not a float!

Have you created the data on the same computer you are trying to read
it? ... it might be a little / big endian issue..

IDL> print, swap_endian(1.2748951e-310)
0.000000

Jean

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[Message index]

		Re: envi_setup_head for TIFF By: Leonardo R. Sbaraini on Fri, 05 October 2007 12:45
		Re: envi_setup_head for TIFF By: Jean H. on Fri, 05 October 2007 11:54
		Re: envi_setup_head for TIFF By: Leonardo R. Sbaraini on Fri, 05 October 2007 11:33
		Re: envi_setup_head for TIFF By: Jeff N. on Fri, 05 October 2007 07:30

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