[GRASS-user] i.atcorr: how to insert coordinates in icnd file

[Markus Neteler]

On Wed, Feb 10, 2010 at 12:51 AM, Marco Tuckner
<marcotuckner at public-files.de> wrote:
> Hello,
> I have a projected location in UTM coordinates.
>
> I would like to correct some images imported into that location.
>
> The question is now:
> In which format do I nee the coordinates in the icnd-file that designate
> the center of the image:
>
>
> 8                            - geometrical conditions=Landsat ETM+
> 2 19 13.00 -47.410 -20.234   - month day hh.ddd longitude lattitude
> ("hh.ddd" is a decimal hour GMT)
> 1                            - atmospheric mode=tropical
> 1                            - aerosols model=continental
> 15                           - visibility [km] (aerosol model concentration)
> -.600                        - target at 600m above sea level
> -1000                        - sensor on board a satellite
> 64                           - 4th band of ETM+ Landsat 7


you need to provide longitude latitude (WGS84).
You can use m.proj to reproject point data on the fly (see
manual).

Markus