Hello,
I would like to know if there is a function in GRASS that I can run from R
for calculating the fractal dimension of an input raster surface layer with
floating point negative values.
Thanks a lot.
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Dear Grass usrers,
I would like to ask if someone can clarify me the following question w.r.t.
DMSP nightlight data and specially VIIRS/DNB nighttime light data: I have
found in some sources in the internet, (i.e Google Earth Engine) saying the
pixels' spatial resolution for VIIRS/DNB nighttime
Dear Grass users,
I’m trying to install Grass on Mac OS latest version Catalina; please I would
appreciate if I can receive guidance and orientations for a correct
installation of Grass.
Thanks in advance.
Kind regards,
Gabriel
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ass.osgeo.org/grass76/manuals/r.out.gdal.html
>
>
>
> Cheers
>
> Stefan
>
>
>
>
>
> *From:* grass-user *On Behalf Of *Gabriel
> Cotlier
> *Sent:* mandag 9. september 2019 07:44
> *To:* grass-user ; Markus Metz <
> markus.metz.gisw...@gmail.com>; Nikos
Dear grass users,
I got after intercallibrarion the following layer (with a correct Range of
data:min = -0.3458 max = 61.9423 ) whats is the recommended way to get
it exported out of grass to be opened in ArcGIS, conserving the range.
When i do :
[image: image.png]
but, when I open the
'
and and it worked
[image: image.png]
Thanks a lot!
On Wed, Aug 28, 2019 at 8:46 AM Markus Metz
wrote:
>
>
> On Wed, Aug 28, 2019 at 12:54 PM Gabriel Cotlier
> wrote:
> >
> > Dear Markus,
> > Thanks a lot for your replay,
> > I have tried the command to change
mapsets one called
"gabriel" where all the data is and another
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
wrote:
>
>
> On Tue, Aug 27, 2019 at 2:25 PM Gabriel Cotlier
&g
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 wrote:
> while for individual raster maps I get:
>
> [image: image.png]
>
> On Tue, Aug 27, 2019 at 9:25 AM Gabriel Cotlier
> wrote:
>
while for individual raster maps I get:
[image: image.png]
On Tue, Aug 27, 2019 at 9:25 AM Gabriel Cotlier wrote:
> What should I do in this case?
>
> On Tue, Aug 27, 2019 at 9:24 AM Gabriel Cotlier
> wrote:
>
>> Dear Markus,
>>
>> here is my log o
What should I do in this case?
On Tue, Aug 27, 2019 at 9:24 AM Gabriel Cotlier 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
2019 at 4:01 PM Markus Metz
wrote:
>
>
> On Mon, Aug 26, 2019 at 1:14 AM Gabriel Cotlier
> wrote:
> >
> > Dear Markus,
> >
> > I uninstall and reinstall grass 7.6.1 64 bits and still my log for the
> commands
> >
> > g.region -p
> >
> &
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
Thanks a lot very good information and guidance.
Thanks
Gabriel
On Wed, Aug 21, 2019 at 3:31 AM Nikos Alexandris
wrote:
> * Gabriel Cotlier [2018-08-21 12:00:24 -0300]:
>
> >I would like to ask if nonetheless the effect due to "stray light" the
> >*i.landsat8.
Dear Markus,
My message to your code: g.region -p n=75:00:15N s=65:00:15S w=179:59:45W
e=180:00:15E res=00:00:30 is in the picture bellow:
[image: image.png]
On Tue, Aug 20, 2019 at 5:34 PM Gabriel Cotlier wrote:
> Dear Markus,
> My grass version is : GRASS GIS 7.6.1
>
> On Tue,
Dear Markus,
My grass version is : GRASS GIS 7.6.1
On Tue, Aug 20, 2019 at 5:13 PM Markus Metz
wrote:
> Dear Gabriel,
>
> On Tue, Aug 20, 2019 at 9:50 PM Gabriel Cotlier
> wrote:
> >
> > Dear Markus,
> > So I run the command g.region w=179:59:45W e=180:00:15E
:18 2019) Command finished (0 sec)
Now appears to say that is exceeded by 1.99983 cells why could this be
happening?
Thanks a lot
Regards
Gabriel
On Tue, Aug 20, 2019 at 4:33 PM Gabriel Cotlier wrote:
> Dear Markus,
> Thanks a lot for your response and explanation.
>
Metz
wrote:
> Dear Gabriel,
>
> On Tue, Aug 20, 2019 at 12:19 AM Gabriel Cotlier
> wrote:
> >
> > Dear Markus,
> >
> > Thanks a lot for the clarification and explanation, your response was
> indeed helpful.
> >
> > I got for all maps in the mapset
the correct region for the DMSP data then
after loading the other layers it appears:
360 degree EW extent is exceeded by 0.999827 cells
360 degree EW extent is exceeded by 1 cells
Thanks a lot
Gabriel
On Sun, Aug 18, 2019 at 6:54 PM Gabriel Cotlier wrote:
> Hello, another question, regard
?
Thanks a lot.
Gabriel
On Sat, Aug 17, 2019 at 4:54 PM Gabriel Cotlier wrote:
> Dear Nikos.
> After a long time I'm trying to reproduce a routine I have for doing
> intercallibratrion of DMSP 1992-2012 but for some reason It doesn't work to
> me. I think is because the problem betwee
litlines()
# change working directory
os.chdir('C:\\Users\\Gabriel\\Desktop\\out')
# save rasters in mapset to file
for raster in rasters:
grass.run_command('r.out.gdal', input=raster, output=raster + '.tiff',
format='GTiff')
On Wed, Aug 22, 2018 at 10:06 AM Gabriel Cotlier
wrot
l bands, including the panchromatic.
>
> Carlos
>
>
>
> On Tue, Jun 18, 2019 at 9:32 AM Veronica Andreo
> wrote:
>
>> Seems to me that the module needs all Landsat bands. Try importing all of
>> them
>>
>> Vero
>>
>> El lun., 17 jun. 2019 a
Dear Vero, Nikos and Markus,
I'm trying to get an NDVI from different preprocessing atmospheric
correction methods DOS1, DOS2, DOS 2b, DOS3, DOS4. However, unsuccessfully,
I'm not being able to run my supposed workflow on GRASS GIS which is:
Step 1. DN to TOA Radiance ( *i.landsat.toar*)
Step 2.
ame again.
>
> Please, take a look at the examples in the manual page (
> https://grass.osgeo.org/grass76/manuals/i.landsat.toar.html). If there's
> anything that doesn't seem clear there, let us know so we can enhance it.
>
> Best,
> Vero
>
>
> El dom., 16 jun. 2019 a las 22:30,
Hello,
I tried it to get radiance from command line too but had an error as well
with metadata recognition:
[image: image.png]
Thanks a lot
On Sun, Jun 16, 2019 at 5:19 PM Gabriel Cotlier wrote:
> Dear Vero,
>
> I could finally load the landsat 8 L1C data, is just two band
Dear Vero,
I could finally load the landsat 8 L1C data, is just two bands 4 and 5 for
NDVI calculation, didn't created a mapset just used PERMANT, but my
workflow is
Step 1 - DN>Radiance with
*i.landsat.toar *
Step* 2- Raniance> Surface_Reflectance with i.atcorr *using different
methods DOS2
Dear Nikos,
Thanks a lot for your answer and the orientation.
The information and the link are very useful.
Kind regards,
Gabriel
On Wed, Aug 22, 2018 at 5:19 AM Nikos Alexandris
wrote:
> * Gabriel Cotlier [2018-08-21 12:00:24 -0300]:
>
> >Dear Nikos and GRASS users,
> &g
Dear Nikos and GRASS users,
I would like to ask if nonetheless the effect due to "stray light" the
*i.landsat8.swlst* code for split window is still applicable to Landsat 8
data and whether these error is specially visible on water bodies? and
whether band 10 is better than band 11 in terms of
Thanks a lot Markus.
Regards
Gabriel
On Monday, July 16, 2018, Markus Metz wrote:
>
>
> On Mon, Jul 16, 2018 at 3:32 AM, Gabriel Cotlier
> wrote:
> >
> > Dear grass users,
> >
> > for exporting out of GRASS mapset raster layers in .tif file fo
Dear grass users,
for exporting out of GRASS mapset raster layers in .tif file format I have
run the following code:
for raster in rasters:
grass.run_command('r.out.gdal', input=raster, output=raster + '.tiff',
format='GTiff')
all the raster layer were exported saved as .tif files in
solved with correcting spelling mistake at file extension, now the for loop
worked for me as:
Gabriel
On Wed, Jul 11, 2018 at 6:39 PM, Gabriel Cotlier
wrote:
> Dear Nikos and Micha,
>
> I tried both and worked ways for constructing the list and worked well:
>
&g
018-07-11 09:14:47 +0200]:
>
>
>> Gabriel Cotlier wrote:
>>
>>>
>>>I'm using grass 7.4.1 trying to export all raster layers in the
>>> current
>>>mapset out of grass to a folder as GeoTiff files though a for loop
>>> from
&g
Dear grass users,
I'm using grass 7.4.1 trying to export all raster layers in the current
mapset out of grass to a folder as GeoTiff files though a for loop from the
python shell as follows and I'm getting the error in red...
What could be the problem?
Thanks a lot in advance.
Regards,
Gabriel
, Jul 9, 2018 at 5:52 PM, Gabriel Cotlier wrote:
> Hello Helmut,
> I used stand alone from https://grass.osgeo.org/
> download/software/ms-windows/
> Best,
> Gabriel
>
> On Mon, Jul 9, 2018 at 1:34 PM, Helmut Kudrnovsky wrote:
>
>> >Automatically opens a dialog b
Hello Helmut,
I used stand alone from
https://grass.osgeo.org/download/software/ms-windows/
Best,
Gabriel
On Mon, Jul 9, 2018 at 1:34 PM, Helmut Kudrnovsky wrote:
> >Automatically opens a dialog box from Windows 10 asking "How do you want
> to
> open this file?"
>
> OSGeo4W-winGRASS or
Dear Nikos,
Thanks a lot for the explanation.
Regards,
Gabriel
On Fri, Jul 6, 2018 at 4:55 AM, Nikos Alexandris
wrote:
> * Gabriel Cotlier [2018-07-05 18:28:30 -0300]:
>
> Dear Markus,
>> Thanks a lot for the explanation. For some reasoner every time I try to
>> run
>
On Thu, Jul 5, 2018 at 2:24 PM, Markus Metz
wrote:
>
>
> On Thu, Jul 5, 2018 at 3:03 PM, Gabriel Cotlier
> wrote:
> >
> > Dear Nikos, Markus, and Vero,
> >
> >
> > Here is a kind of very small routine I have run on the bases of our last
> chat.
> >
Dear Nikos, Markus, and Vero,
Here is a kind of very small routine I have run on the bases of our last
chat.
I guess most of steps are covered, but I still have two questions:
1. as you can see in the message after running the code the resolution is
finally set to 1, but before this message,
<http://www.avg.com/email-signature?utm_medium=email_source=link_campaign=sig-email_content=webmail>
<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
On Sun, Jun 24, 2018 at 5:09 PM, Gabriel Cotlier
wrote:
> Dear Vero and Markus,
>
> Thanks a lot for the guidance and help.
>
>
Dear Vero and Markus,
Thanks a lot for the guidance and help.
If I understood correctly:
I first have to import one layer when I select a location setting the
coordinate system of that layer to the mapset of GRASS (at the start).
Then I have to import all other layers to mapset using command
lot again for your guidance.
Gabriel
On Fri, Jun 22, 2018 at 12:50 AM, Nikos Alexandris
wrote:
> * Gabriel Cotlier [2018-06-21 18:24:38 -0300]:
>
> Hello Veronica,
>>
>> Thanks a lot it worked!!
>>
>
> Dear Gabriel,
>
> Thanks for posting details and g
an you post the command you used? It seems
> you typed image twice, suffic instead of suffix and you are using $() to
> pass the list of map names which is not necesary, AFAIU. Try the following:
>
> i.nightlights.intercalibration image=img1,img2,img3 suffix=c model=liu2012
>
> if th
do in Linux. Solution would be to first get the list of comma separated
> map names and then paste it in the i.nightlights command.
>
> HTH,
> Vero
>
> El jue., 21 jun. 2018 11:05, Gabriel Cotlier
> escribió:
>
>> I have tried to run i.i.nightlights.intercalibration on
I have tried to run i.i.nightlights.intercalibration on the command line
and got the following error:
What could be happening?
Thanks a lot
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I have tried to run i.i.nightlights.intercalibration on the command line
and got the following error:
What could be happening?
Thanks a lot
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I'm using GRASS GIS 7.2.1 64 bit in Windows 10 and however new add-ons can
be installed most of the installed ones do not show in the "Module" window
under the category "Addons":
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