[GRASS-user] i.atcorr with ASTER L1B

Michael Perdue michael_perdue at yahoo.ca
Tue Jul 28 11:07:50 EDT 2009

Hi Andy,
Yes, it looks like the right info for the SPOT sensor platforms.  
Iwave.cpp expects the data to be in 2.5nm increments so you will have  
to interpolate the data to the correct interval. It's a bit tedious,  
but is straight forward. I might be able to dedicate some time to it,  
but won't have any till the weekend now.

On 27-Jul-09, at 10:35 PM, andrew haywood wrote:

> Hi All,
> Im just adding to this discusssion. I would be interested in using  
> i.atcorr with SPOT 2, 3, 4 and 5. I have found a file on the http://www.spotimage.com/web/en/555-spot-images.php 
>  website that contains the spectral sensitivity data. Is this the  
> same as the spectral profile? It looks like the data is in 5nm  
> increments. Do i need to create 2.5nm increments or can i tell the  
> function its in 5nm or 10nm increments?
> Any help would be appreciated.
> thanks
> Andy
> On 7/28/09, Michael Perdue <michael_perdue at yahoo.ca> wrote:
> Hi Markus,
> Here is a text file with everything organized as I think it should  
> be. I didn't add the this Iwave.cpp to submit a patch as I wasn't  
> really sure how to modify GeomCond.cpp.
> Cheers,
> Mike
> On 26-Jul-09, at 1:34 PM, Markus Neteler wrote:
> Great - the header of Iwave.cpp contains instructions how to add
> a new sensor like this.
> thanks
> Markus
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