[GRASS-user] question on i.nightlights.intercalibration

[Gabriel Cotlier]

Dear Markus,
Thanks a lot for your replay,
I have tried the command to change default region with g.region -p
n=75:00:15N s=65:00:15S w=179:59:45W e=180:00:15E res=00:00:30 -s
and did not allow me because according to the error message bellow my data
is in a mapset that is not <PERMANENT> . I have two mapsets one called
"gabriel" where all the data is and another <PERMANENT>....
How can I solve this problem?
Thanks a lot again for your help.
Regards,
Gabriel


[image: image.png]





On Tue, Aug 27, 2019 at 4:02 PM Markus Metz <markus.metz.giswork at gmail.com>
wrote:

>
>
> On Tue, Aug 27, 2019 at 2:25 PM Gabriel Cotlier <gabiklm01 at gmail.com>
> wrote:
> >
> > Dear Markus,
> >
> > here is my log of the command, "g.region -d -u -p":
> >
> >
> > (Tue Aug 27 09:23:26 2019)
>
> > g.region -d -u -p
>
> > 360 degree EW extent is exceeded by 1.99983 cells
> > 360 degree EW extent is exceeded by 1.99983 cells
> > projection: 3 (Latitude-Longitude)
> > zone:       0
> > datum:      wgs84
> > ellipsoid:  wgs84
> > north:      75:00:29.99892N
> > south:      65:00:29.999064S
> > west:       180:00:29.997408W
> > east:       180:00:29.997408E
> > nsres:      0:00:30
> > ewres:      0:00:30
> > rows:       16802
> > cols:       43202
> > cells:      725880004
> > (Tue Aug 27 09:23:26 2019) Command finished (0 sec)
>
>
> if you want to avoid this message, change our default region with
>
> g.region -p n=75:00:15N s=65:00:15S w=179:59:45W e=180:00:15E res=00:00:30
> -s
>
> QGIS uses GDAL to fetch metadata of raster maps, therefore the output of
> gdalinfo would be more informative, but you know the relevant parts
> already: these raster maps need to be imported with r.in.gdal -a
>
> Markus M
>
> >
> >
> >
> > On Mon, Aug 26, 2019 at 4:01 PM Markus Metz <
> markus.metz.giswork at gmail.com> wrote:
> >>
> >>
> >>
> >> On Mon, Aug 26, 2019 at 1:14 AM Gabriel Cotlier <gabiklm01 at gmail.com>
> wrote:
> >> >
> >> > Dear Markus,
> >> >
> >> > I uninstall and reinstall grass 7.6.1 64 bits and still my log for
> the commands
> >> >
> >> > g.region -p
> >> >
> >> > and
> >> >
> >> > g.region -p n=75:00:15N s=65:00:15S w=179:59:45W e=180:00:15E
> res=00:00:30
> >> >
> >> > are respectively :
> >> >
> >> > (Sun Aug 25 20:01:47 2019)
>
> >> > g.region -p
>
> >> > 360 degree EW extent is exceeded by 1.99983 cells
> >> > projection: 3 (Latitude-Longitude)
> >> > zone:       0
> >> > datum:      wgs84
> >> > ellipsoid:  wgs84
> >> > north:      75:00:15N
> >> > south:      65:00:15S
> >> > west:       179:59:45W
> >> > east:       180:00:15E
> >> > nsres:      0:00:30
> >> > ewres:      0:00:30
> >> > rows:       16801
> >> > cols:       43200
> >> > cells:      725803200
> >> > (Sun Aug 25 20:01:47 2019) Command finished (0 sec)
>
> >> > (Sun Aug 25 20:02:10 2019)
> >> >
> >> > g.region -p n=75:00:15N s=65:00:15S w=179:59:45W e=180:00:15E
> res=00:00:30
> >> > 360 degree EW extent is exceeded by 1.99983 cells
> >>
> >> Strange, the region defined with "n=75:00:15N s=65:00:15S w=179:59:45W
> e=180:00:15E res=00:00:30" should not cause a message like
> >> "360 degree EW extent is exceeded by 1.99983 cells"
> >>
> >> Maybe the default region has strange settings. What is the output of
> "g.region -d -u -p" ?
> >>
> >> Markus M
> >>
> >> > projection: 3 (Latitude-Longitude)
> >> > zone:       0
> >> > datum:      wgs84
> >> > ellipsoid:  wgs84
> >> > north:      75:00:15N
> >> > south:      65:00:15S
> >> > west:       179:59:45W
> >> > east:       180:00:15E
> >> > nsres:      0:00:30
> >> > ewres:      0:00:30
> >> > rows:       16801
> >> > cols:       43200
> >> > cells:      725803200
> >> > (Sun Aug 25 20:02:10 2019) Command finished (0 sec)
> >> >
> >> > Are the resulting intercallibrated layers ready for further use
> outside grass exported as GeoTIFF or I need to get inside grass without any
> messages that 360 degree EW extent is exceeded for the layer to be OK?
> >> >
> >> > further more I would like to ask if maybe the max and min for
> intercallibtated layer are somewhere already available to check whether the
> max and min I got are correct?
> >> > Thanks a lot for your help.
> >> > Regards,
> >> > Gabriel
> >> >
> >> >
> >> >
>
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