Hi, it seem s to me that r.volume has a problem with resolution=1m (at
least here).
If I set the region to res=1, r.volume won't work, but with anything
above that (I tried a range from 2 to 100), it works.
best
Carlos
GRASS 7.0.svn (santa_catarina):~ > g.region n=6902500 s=6899200
w=731900 e=733200 res=1 res3=1 t=60 b=0 tbres=1 -pa3
projection: 1 (UTM)
zone: -22
datum: wgs84
ellipsoid: wgs84
north: 6902500
south: 6899200
west: 731900
east: 733200
top: 60.00000000
bottom: 0.00000000
nsres: 1
nsres3: 1
ewres: 1
ewres3: 1
tbres: 1
rows: 3300
rows3: 3300
cols: 1300
cols3: 1300
depths: 60
cells: 4290000
cells3: 257400000
GRASS 7.0.svn (santa_catarina):~ > r.volume
input=garopaba_SOLO_bicubic clump=areia_garopaba
Complete ...
100%
ERROR: Reading raster map <areia_garopaba@> request for row -1016 is
outside region
GRASS 7.0.svn (santa_catarina):~ > g.region n=6902500 s=6899200
w=731900 e=733200 res=2 res3=2 t=60 b=0 tbres=1 -pa3
projection: 1 (UTM)
zone: -22
datum: wgs84
ellipsoid: wgs84
north: 6902500
south: 6899200
west: 731900
east: 733200
top: 60.00000000
bottom: 0.00000000
nsres: 2
nsres3: 2
ewres: 2
ewres3: 2
tbres: 1
rows: 1650
rows3: 1650
cols: 650
cols3: 650
depths: 60
cells: 1072500
cells3: 64350000
GRASS 7.0.svn (santa_catarina):~ > r.volume
input=garopaba_SOLO_bicubic clump=areia_garopaba
Complete ...
100%
Volume report on data from garopaba_SOLO_bicubic using clumps on
areia_garopaba map
Cat Average Data # Cells Centroid Total
Number in clump Total in clump Easting Northing Volume
1 13.95 4829193 346277 732577.00 6900413.00 19316772.00
Total Volume = 19316772.00
--
Prof. Carlos Henrique Grohmann - Geologist D.Sc.
Institute of Geosciences - Univ. of São Paulo, Brazil
http://www.igc.usp.br/pessoais/guano
http://lattes.cnpq.br/5846052449613692
Linux User #89721
________________
Can’t stop the signal.