LANDSAT: Difference between revisions
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== LANDSAT Data Availability== | |||
* data download from [http://landsat.usgs.gov/ USGS LANDSAT archive] and [http://glcfapp.umiacs.umd.edu GLCF] | |||
== LANDSAT Pre-Processing == | == LANDSAT Pre-Processing == | ||
Revision as of 14:39, 21 July 2009
LANDSAT Data Availability
- data download from USGS LANDSAT archive and GLCF
LANDSAT Pre-Processing
Some notes from Yann Chemin:
- Open GRASS GIS, select create location from georeferenced file
- Use r.in.gdal to import into GRASS GIS.
- In grass/add-ons look for any of these to correct from radiance to reflectance at top of atmosphere
- i.landsat.toar
- i.dn2full.l5
- i.dn2full.l7
- Use i.atcorr too correct top of atmosphere to surface reflectance