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gmt_gdal_snippets.md

Usefull snippets for working with RemoteSensing Data in Glaciology

GMT gdal

Build gdal with netcdf (GMT) support

sudo port install gdal +netcdf

Convert geotiff to netCDF/GMT grid

(gdal compiled with GMT support is needed)

gdal_translate -of GMT $IN $OUT

####gdal re-projeciton problem with Polar Stereographic projections http://lists.osgeo.org/pipermail/gdal-dev/2013-April/036060.html

workaround: Provide full proj4 string for gdalwarp: (extracted from gdalsrsinfo)

gdalwarp -multi -t_srs '+proj=stere +lat_0=-90 +lat_ts=-71 +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs ' $IN $OUT

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