[GRASS-user] Setting DEFAULT_WIND from WIND
Rich Shepard
rshepard at appl-ecosys.com
Tue Dec 22 15:19:23 EST 2009
As part of my reorganization, I imported the Oregon counties (from a shp)
file. After running 'g.region vect=or_counties', 'g.region -p' shows what I
expect:
projection: 99 (Lambert Conformal Conic)
zone: 0
datum: nad83
ellipsoid: grs80
north: 1675042.91428572
south: 88600.88
west: 183871.73714286
east: 2345213.16857142
nsres: 1.00000002
ewres: 1.0000002
rows: 1586442
cols: 2161341
cells: 3428842138722
and this is what is in the mapset's WIND file. Unfortunately, the
DEFAULT_WIND in the PERMANENT mapset has only:
proj: 99
zone: 0
north: 1
south: 0
east: 1
west: 0
cols: 1
rows: 1
e-w resol: 1
n-s resol: 1
top: 1
bottom: 0
cols3: 1
rows3: 1
depths: 1
e-w resol3: 1
n-s resol3: 1
t-b resol: 1
This makes no sense. As a matter of fact, all DEFAULT_WIND files in all
PERMANENT mapsets for the locations I've created have the same values.
Question: why?
When I read the g.region man page I see the '-s' option to save as the
default region. But, I'm shown that I cannot do this from the county mapset,
only from the PERMANENT mapset.
Question: if I run g.region -s from within the PERMANENT mapset won't it
just use the same zeros and ones as above rather than taking them from the
meaningful mapset? Follow on question: how to I make the PERMANENT mapset
match that of the counties WIND without just using a text editor ... or is
that the way to do it?
Thanks,
Rich
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