[GRASS-dev] t.rast.out.xyz not exporting all cells in the computational region
Veronica Andreo
veroandreo at gmail.com
Mon Nov 28 05:53:37 PST 2016
Hello devs,
I'm using the add-on t.rast.out.xyz to export my raster time series to a
csv file. Here's my region definition:
GRASS 7.3.svn (latlong_wgs84):~ > g.region -p
raster=A20133052013312.L3m_8D_CHL_chlor_a_4km_arg
projection: 3 (Latitude-Longitude)
zone: 0
datum: wgs84
ellipsoid: wgs84
north: 38S
south: 55S
west: 70W
east: 55W
nsres: 0:02:30
ewres: 0:02:30
rows: 408
cols: 360
cells: 146880
By running t.rast.out.xyz I would expect to have a file with 146880 rows
(number of cells) and columns = the number of maps registered in the raster
time series plus x & y coordinates. The latter works, I get the expected
number of columns. However, the number of rows is much lower than expected.
GRASS 7.3.svn (latlong_wgs84):~ > t.rast.out.xyz strds=cla_monthly_average
| wc -l
100%
Space time raster dataset cla_monthly_average exported to -
12891 << -- less than 10% of the region!! No mask applied.
I observe the same behaviour when I vary the region size and also, when I
export to a text file. Is this the expected behaviour? Am I missing
something?
Thanks a lot for any advice/help!
Cheers,
Vero
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