[GRASS-user] AVIRIS data in GRASS

[Michael Perdue]

I don't think you can use r.in.bin because there is no option to  
specify the number of bands and how those bands are interleaved. In  
the past I've used Multispec and Matlab to read the data but you might  
be able to manipulate GDAL to read it. If you can create a header file  
for a generic binary file that will provide GDAL with the number of  
rows, columns, byte order, #channels, # of bytes/sample and the  
interleave method then you can tell GDAL how to read it. Unfortunately  
I can't hit the GDAL website right now so I can't tell if any of the  
generic binary formats allow for all those definitions.

Cheers,

Mike

PS. Also note that none of the tiles provided in the "free" area have  
been geometrically rectified and some have severe distortions due to  
aircraft dynamics.

On 5-Jul-09, at 3:49 PM, Dylan Beaudette wrote:

> Hi,
>
> I have been searching mailing lists for a while, and have not been
> able to discover any approaches for working with AVIRIS data in GRASS.
> Does anyone on the list know how to either convert or extract data as
> delivered in the "free data" section [1] of the AVIRIS home page? I
> have tried working with the "radiance" data, which when uncompressed
> comes with several .img files-- however my copy of GDAL does not know
> what to make of it. It looks like it may be possible [2] to import the
> data using r.in.bin... I was not able to get this working.
>
>
>
> 1. http://aviris.jpl.nasa.gov/html/aviris.freedata.html
> 2. http://n2.nabble.com/AVIRIS---grass-td1864545.html
>
> Thanks!
>
> Dylan
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