ASTER topography: Difference between revisions
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r.patch in=`g.mlist pat=AST*dem sep=,` out=aster_gdem | r.patch in=`g.mlist pat=AST*dem sep=,` out=aster_gdem | ||
# assign | # assign colors | ||
r.colors aster_gdem color=terrain | r.colors aster_gdem color=terrain | ||
Note: working on color rules that replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"] | Note: working on color rules that replicate NASA's [http://www.nasa.gov/images/content/363790main_PIA12090_gdem-press-colorized-topo.tif "GDEM press colorized topo"] published at [http://www.nasa.gov/topics/earth/features/20090629.html "Mission News"] |
Revision as of 23:09, 4 July 2009
Steps to import ASTER GDEM tiles in GRASS:
# save downloaded zip files in one directory # enter in directory and unzip files at once unzip "*.zip" # create WGS84 location, import elevation (=dem) and quality (=num) tiles in PERMANENT mapset for GDEM in *.tif ; do r.in.gdal in=$GDEM out=`basename ${GDEM} .tif` done # match region to extent of imported gdem tiles g.region rast=`g.mlist pat=AST*dem sep=,` -p # patch tiles in one map r.patch in=`g.mlist pat=AST*dem sep=,` out=aster_gdem # assign colors r.colors aster_gdem color=terrain
Note: working on color rules that replicate NASA's "GDEM press colorized topo" published at "Mission News"