[GRASS-user] Slow import of GHSL
Nikos Alexandris
nik at nikosalexandris.net
Fri Mar 10 08:47:00 PST 2017
Why does (attempting to) import a 38m pixel resolution GHSL [0] GeoTIFF
layer, ie GHS_BUILT_LDS1990_GLOBE_R2016A_3857_38_v1_0_p1.tif, in GRASS'
db progress slow?
Similar GHSL data sets vary between 300 ~ 500 MB in size.
As well, trying to clip the GeoTIFFs (not the VRT files) with gdal
tools to a custom extent (say Europe), appears to be a heavy process.
Thanks for hints, Nikos
[0] http://ghsl.jrc.ec.europa.eu/
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