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

[Gabriel Cotlier]

imported into QGIS layer visible and the of the layer properties are:

[image: image.png]

On Tue, Aug 27, 2019 at 9:27 AM Gabriel Cotlier <gabiklm01 at gmail.com> wrote:

> while for individual raster maps I get:
>
> [image: image.png]
>
> On Tue, Aug 27, 2019 at 9:25 AM Gabriel Cotlier <gabiklm01 at gmail.com>
> wrote:
>
>> What should I do in this case?
>>
>> On Tue, Aug 27, 2019 at 9:24 AM 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)
>>>
>>>
>>>
>>>
>>> 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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