Re: [GRASS-user] Error with pansharpening

2022-02-24 Thread Vishal Mehta 
HI Markus, all,

I installed Grass 8.0.0 and tried the pansharpening step. ALthough there
are no errors, the resulting pansharpened rasters all have zero values.

I basically followed the steps here
https://courses.neteler.org/processing-landsat8-data-in-grass-gis-7/#Unpacking_the_downloaded_Landsat_8_dataset

and here:
https://courses.neteler.org/processing-landsat-8-data-in-grass-gis-7-rgb-composites-and-pan-sharpening/

Essentially, after downloading the Landsat 8 OLI scene:
1. Copy blue, green and red channels rasters so that the GRASS module for
converting to reflectance can work
2. Convert DN to reflectance
3. i.enhance.colors
4. pansharpen with Landsat band 8
This last step is where I haven't yet succeeded. Note that i did not
convert the DN to reflectance for band 8. Could that be the problem? Note
also that i was using older Grass versions for step 2 and 3.

This is the Grass version i'm trying now:
---
g.version -reg

version=8.0.0
date=2022
revision=65675c832
build_date=2022-02-09
build_platform=x86_64-w64-mingw32
build_off_t_size=8
libgis_revision=65675c832
libgis_date=2022-01-28T08:52:15+00:00
proj=8.2.1
gdal=3.4.1
geos=3.10.2
sqlite=3.37.2
---

Thanks!
Vishal

On Wed, Feb 23, 2022 at 12:20 PM Vishal Mehta  wrote:

> Thanks Markus,
> I'll just do a fresh install of Grass 8 and try it out,
> Best,
> Vishal
>
> On Wed, Feb 23, 2022 at 12:14 PM Markus Neteler  wrote:
>
>> Hi Vishal,
>>
>> On Wed, Feb 23, 2022 at 9:04 PM Vishal Mehta 
>> wrote:
>> >
>> > Thanks Markus,
>> >
>> > It's 7.8.2
>> > g.version -rge
>> > version=7.8.2
>> > date=2019
>>
>> .. your installation is a few years old - please consider updating to
>> 7.8.6 or even 8.0.x.
>>
>> > I did see your email recently about 7.8.7..
>> > I could just try version 8?
>>
>> Sure, that would be best.
>>
>> BTW: For the QGIS integration of GRASS GIS 8.0:
>> QGIS has been updated in master (QGIS 3.24) and everything backported
>> to QGIS 3.22 LTR.
>>
>> Cheers,
>> Markus
>>
>
>
> --
> Vishal K. Mehta, PhD
> Sr. Scientist
> Stockholm Environment Institute - US
> 133 D St Suite F
> Davis CA 95616
> www.sei-us.org
>


-- 
Vishal K. Mehta, PhD
Sr. Scientist
Stockholm Environment Institute - US
133 D St Suite F
Davis CA 95616
www.sei-us.org
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[GRASS-user] GRASS GIS 8.0.1 released

2022-02-24 Thread Markus Neteler 
*GRASS GIS 8.0.1 released*

This is an update release of the GRASS GIS 8.0 series.

Download source code tarball at

   - https://grass.osgeo.org/grass80/source/grass-8.0.1.tar.gz
   - https://grass.osgeo.org/grass80/source/grass-8.0.1.md5sum

For further release details (bug fixes and enhancements), see

   - https://trac.osgeo.org/grass/wiki/Grass8/NewFeatures80

The GRASS GIS 8.0.1 release provides more than 20 fixes and improvements
 with respect to the
release 8.0.0.
What's Changed

Important fixes

   - utils/mkhtml: fix print warning/fatal message during compilation to
   not break offline compilations (#2139
   ) by @tmszi
   
   - r.quantile, r.stats.quantile, lib/stats: fix quantile algorithm (#2108
   ) by @metzm
   

Module fixes

   - r.colors: fix order of rules (#2167
   ) by @metzm
   
   - r.geomorphon: combine profile parser rules to allow usage as pygrass
   module (#2154 ) (#2226
   ) by@ninsbl
   - TGIS: fix semantic label (#2215
   ) by @metzm
   
   - t.rast.mapcalc: transfer semantic label (#2219
   ) by @metzm
   
   - t.rast.neighbors: transfer semantic label (#2218
   ) by @metzm
   

GUI

   - wxGUI: do not import from pygrass on gui startup (#2202
   ) by @petrasovaa
   
   - wxGUI: Thread.setDaemon deprecated in Python 3.10 (#2145
   ) by @petrasovaa
   

Portability

   - MS Windows packaging: add missing dlls from MSYS (#2204
   ) by @ninsbl
   

Documentation

   - CONTRIBUTING.md: describe the fork process more in detail by @pesekon2
   
   - Fix typo in v.import documentation (#2142
   ) by @agiudiceandrea
   
   - howto_release.md: cleanup of marketing section by @neteler
   
   - manual pages: remove unneeded SVN Date entry and selected cleanup (
   #2143 ) by @neteler
   

Singularity

   - singularity: Minor fixes of definition file (#2179
   ) by @lucadelu
   

*Full Changelog*: 8.0.0...8.0.1

—

This release has 2 assets:

   - Source code (zip)
   - Source code (tar.gz)

Visit the release page 
to download them.
Thanks to all contributors!
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Re: [GRASS-user] Need support with v.neighborhoodmatrix addon in GRASS

2022-02-24 Thread Micha Silver 


On 23/02/2022 22:03, Mohajane Meriame wrote:

Thank you very much for your support  Moritz Lennert,
I successfully added *v.neighborhoodmatrix *addon in GRASS 8.0 
manually , but the plugin is not appearing in the list of extensions 
in GRASS software.

Regards.
Meriame



Seems to be working here:


micha@RMS:GIS$ g.version
GRASS 8.1.dev (2022)


micha@RMS:GIS$ g.extension v.neighborhoodmatrix
Fetching  from GRASS GIS Addons repository (be
patient)...
Compiling...
Installing...
Updating extensions metadata file...
Updating extension modules metadata file...
Installation of  successfully finished

micha@RMS:GIS$ v.neighborhoodmatrix help
Exports the neighborhood matrix of polygons in a vector map

Usage:
 v.neighborhoodmatrix [-b] input=name [player=value] [idcolumn=name]
   [output=name] [separator=character] [--overwrite] [--help] [--verbose]
   [--quiet] [--ui]

Flags:
  -b   create bidirectional matrix (same neighborhood relation repeated 
twice)







Le mer. 23 févr. 2022 à 18:58, Moritz Lennert 
 a écrit :


Hi Mohajane,

Le 23 février 2022 16:44:21 GMT+01:00, Mohajane Meriame
 a écrit :
>I am new to GRASS software.
>I successfully added v.neighborhoodmatrix addon in GRASS 8.0
manually , but
>I couldn't use it.

Could you explain what you mean by that ? What did you do and what
exactly went wrong?

Moritz


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--
Micha Silver
Ben Gurion Univ.
Sde Boker, Remote Sensing Lab
cell: +972-523-665918

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