[GRASS-user] Re: i.atcorr with MSS band 5,6,7

2009-12-06 Thread Marco Tuckner
Hello,
thanks for your response.

 i.atcorr supports the MSS sensor aboard Landsat 5 and is not applicable
 to Landsat 1 data (nor landsat's 2,3 or 4). In-order to atmospherically
 correct landsat 1 data with i.atcorr you'll need to add support for it.
Yes, I got that from the help page.

 It's not hard and I would be willing to spare what free time I can to
 help you but the first step,
Thanks for your offer. Very generous.

 and possibly the most difficult, is to find
 the spectral response curves for the RBV and MSS sensors aboard Landsat 1.
Does anyone have an idea where I can find these response curves?
Where are the current pre-defined band configurations from?

Kind regards,
Marco

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[GRASS-user] Re: i.atcorr with MSS band 5,6,7

2009-12-01 Thread Marco Tuckner
 I thought the MSS sensor only had 4 bands, and the TMS sensor sensor 7?
Sorry, I heven't expressed myself clearly.

I am working with old images from the 1970ies recorded by Landsat 1.
According to
http://landsat.gsfc.nasa.gov/about/mss.html
http://eros.usgs.gov/#/Guides/landsat_mss
the MSS used the bands 4-8.

I am mislead somehow or wrong?

If not I would be glad to receive some advice on how to add these
additional spectral characteristsics to the module.

Best regards,
Marco

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Re: [GRASS-user] Re: i.atcorr with MSS band 5,6,7

2009-12-01 Thread Michael Perdue
i.atcorr supports the MSS sensor aboard Landsat 5 and is not  
applicable to Landsat 1 data (nor landsat's 2,3 or 4). In-order to  
atmospherically correct landsat 1 data with i.atcorr you'll need to  
add support for it. It's not hard and I would be willing to spare what  
free time I can to help you but the first step, and possibly the most  
difficult, is to find the spectral response curves for the RBV and MSS  
sensors aboard Landsat 1.


Cheers,

Mike
On 1-Dec-09, at 3:29 PM, Marco Tuckner wrote:

I thought the MSS sensor only had 4 bands, and the TMS sensor  
sensor 7?

Sorry, I heven't expressed myself clearly.

I am working with old images from the 1970ies recorded by Landsat 1.
According to
http://landsat.gsfc.nasa.gov/about/mss.html
http://eros.usgs.gov/#/Guides/landsat_mss
the MSS used the bands 4-8.

I am mislead somehow or wrong?

If not I would be glad to receive some advice on how to add these
additional spectral characteristsics to the module.

Best regards,
Marco

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