[GRASS-user] SPOT 5 hrv atmospheric and geometric correction - how to?

Markus Neteler neteler at osgeo.org
Sun Jul 5 15:31:36 EDT 2009

On Sat, Jun 13, 2009 at 6:31 AM, dave adams<daveadamsau at yahoo.com.au> wrote:
> Hi all, my first post,
> How do I apply atmospheric and terrain correction to SPOT 5 HRV?
> I am using SPOT 5 HRV I have a dem and details of sun zenith and azimuth,

We have i.atcorr:

but it apparently lacks SPOT 5 HRV. If you could find the filter functions
for us, we can rather easily implement support.

For terrain correction, see

The cosine correction can be implemented with r.mapcalc.


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