Questions tagged [add-ons]

Additional software packages which add functionality to another software program.

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Cannot install GRASS GIS add-ons

I am very new to GRASS GIS. I am trying to install an add-on (r.bioclim) but I get "ERROR: 'svn' required. Please install 'svn' first". I cannot understand how to install it (or even what it ...
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Using v.neighborhoodmatrix addon in GRASS

I am new to GRASS software. I successfully added v.neighborhoodmatrix addon in GRASS 8.0 manually, but I couldn't use it. https://grass.osgeo.org/grass-stable/manuals/addons/v.neighborhoodmatrix.html ...
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Meaning of the error message `Extension not found'

I am trying to install the extension r.stream.order and when I use g.extension to install the module, I get the following error (Linux). Fetching <r.stream.order> from GRASS GIS Addons ...
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Add-ons not found anymore in GRASS 7.8 installation

I use GRASS GIS 7.8 on Ubuntu 18.04 Bionic Beaver. Last time I used GRASS, I was able to use add-ons, such as r.stream.snap and r.accumulate. But now when I start GRASS, I get a series of errors in ...
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GRASS GIS add-on error

I installed i.ann.maskrcnn in GRASS GIS 7.8.3 but, I got error message in the picture. How can I download metadata file about this tool?
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GRASS add on v.delaunay3d won't start

I'm following this tutorial and installed the GRASS add on v.delaunay3d. When I try to open this module with duble-click or enter nothing happens. It doesn't open. Does anyone have experience with ...
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3 votes
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282 views

How to load/enable r.stream.distance and r.lfp in QGIS 3.6.1 with GRASS 7.6.1 (Windows 10)?

I am new to QGIS and GRASS. I would like to use r.lfp in QGIS with GRASS. So far I installed addons extensions r.stream.distance and r.lfp in GRASS (Settings/Addons extension/Install extension from ...
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GRASS GIS Addon Installation Windows 10 Problem

I know there are some very similar questions regarding this topic: GRASS GIS addon "extension not found"; could the problem be with the GRASS Addons server? but so far nobody has found a ...
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GRASS 7.6 Add-on install issue

I've been trying to install add-ons wihtout success. I keep getting an error message: ****IOError: [Errno socket error] [Errno 10060]**** Une tentative de connexion a échoué car le parti ...
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1 vote
1 answer
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How to install GRASS Add-On after migration from SVN to Github?

I'm new to GRASS and in the past I have had no issue installing add-ons. Recently I tried to install "r.stream.order" and got the following error: g.extension extension="r.stream.order" Extension ...
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Grass GIS: g.extension – Not found

I'm having problems trying to compile (r.landscape.evol and another) on the 7.6.1 version of GRASS from the g.extension command. It does not found the file in the default repository. I am running ...
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4 votes
1 answer
386 views

Exposing GRASS GIS add-on in QGIS Processing framework?

Having QGIS and GRASS GIS 7 installed, how can I expose a GRASS GIS add-on, which has been installed using g.extension, in QGIS' Processing framework?
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2 votes
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GRASS GIS installed add on does not show in Modules>addons

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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2 answers
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r.viewshed.cva error: No points found, nothing to be exported

I need to do an intensive viewshed and I am going to use our university SCC (Linux). I am running a test viewshed with only 13 observers (just to build the code - eventually the script will be used ...
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3 votes
5 answers
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GRASS GIS addon "extension not found"; could the problem be with the GRASS Addons server?

I'm using GRASS GIS Ver 7.2.2. When I enter command mode and type "g.extension r.hypso" I get the message: Downloading precompiled GRASS Addons ... ERROR: Extension not found This happens with all ...
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1 vote
1 answer
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Can't install extensions nor grass-dev package [closed]

I've been trying to install several extensions on my newly installed GRASS GIS 7.2 (installed following instructions here), amongst them "i.fusion.hpf". The extension doesn't seem to matter as the ...
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GRASS_Addones dialog box not showing

I am using Grass 7.2.1 as a package in QGIS(2.18.13). I want to use the r.skyview addons. I installed the library and tried to run it from Python in GRASS. When I run the code in the python shell, the ...
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Instalation GRASS add-ons and its usage in QGIS

How to properly install (any procedure!) and enable it to have the ability to run them via QGIS and use them for analyses in this environment? There is lot useful algos for GRASS mentioned on the ...
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5 votes
1 answer
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Creating a GUI toolbox for a GRASS add-on

In Vaclav Petras' GRASS add-on guide it is stated that GUI toolboxes for GRASS add-ons are defined in the toolboxes.xml file, that must then be added to the main installation folder: You have to ...
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2 votes
0 answers
226 views

Installing r.denoise on GRASS GIS (Windows) doesn't work

I try to install the r.denoise add on for GRASS GIS on my Windows machine. If I start the installation without copying the html manual by hand, I get the errnr 2 that this manual can't be found. After ...
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3 votes
1 answer
906 views

MapInfo 'Info' tool - querying by polygon rather than at a point

MapInfo Professional (12.5) has a tool called 'Info' which interrogates the data for all visible and selectable tables when the user clicks at a specific point. It lists all objects from all tables, ...
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2 votes
2 answers
505 views

Unable to install add-on in GRASS GIS 7 [closed]

As i tried to install add-ons in GRASS GIS 7 using the command as: Say, g.extension extension=r.stream.order The following error is displayed: ERROR: GRASS Addons (r.stream.order) not found. ...
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2 votes
1 answer
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Which basename i am going to use as prefix in i.landsat8.swlst in GRASS GIS?

I want to use i.landsat8.swlst add-on in GRASS GIS to calculate LST from Landsat8 data for my study area. In the following command: i.landsat8.swlst mtl=MTL prefix=B landcover=FROM_GLC -n ​Which ...
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1 vote
1 answer
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Can't fetch addons in GRASS GIS 7.0.4 on Ubuntu 14.04

I'm setting up a new install of GRASS 7.0.4 (from Ubuntugis) on Ubuntu 14.04 and having trouble installing addons. Specifically, when I try to "fetch and install extensions from GRASS Addons," I ...
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2 votes
2 answers
211 views

r.viewshed.cva GRASS GIS 7.0.3

I am having problems with r.viewshed.cva in GRASS GIS 7.0.3 and 7.0.4. I run the addon with the DEM and 100 random vector points as input. The vector points are composed by the cat, and X and Y colum ...
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1 vote
2 answers
1k views

Error installing addons in GRASS 7.0.2: File is not a zip file?

When I attempt to install an addon in GRASS Setting->Install Extension from Addons and select the addon i want from the list (r.stream.order) i get the following error: "ERROR: File is not a zip file: ...
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1 vote
0 answers
150 views

GRASS unable to download any extension from GRASS Addons

I'm trying to install some add-ons to GRASS, but each time I try to download an addon, I'm getting the same error: g.extension.py extension=v.autokrige svnurl=http://svn.osgeo.org/grass/grass-addons/...
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  • 465
1 vote
2 answers
313 views

Addon installation problem on GrassGIS

I am facing a problem with GrassGis 7.0.1. I want to install r.viewshed.cva form Addons. I don't get an error during installation but when I try to open the plugin I get the error : ScriptError ...
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GRASS r.inund.fluv example of input files

Does anyone have an example of input files for the GRASS r.inund.fluv add-on that can be shared? I am asking because I am getting some errors when I am trying to run an the files that I created and ...
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1 vote
1 answer
170 views

Error when installing a GRASS addon!

I am trying to install r.inund.fluv on Linux to produce inundation maps but I am getting the below error. Note that I have a Fortran compiler. GRASS 6.4.4 (newLocation):~ > g.extension r.inund....
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2 votes
1 answer
517 views

Unable to find a specific GRASS add-on in QGIS

I would like to use the r.xtent add-on made for GRASS GIS (http://svn.osgeo.org/grass/grass-addons/grass6/raster/r.xtent/description.html) in QGIS using the GRASS plugin, but I can't seem to find it. ...
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2 votes
1 answer
146 views

Create Addons for GRASS GIS

Is there a complete guide - example describing how to create an add-on/plugin for the GRASS GIS? I would like to extend the GUI with extra menus and toolbars creating extra functionality.
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0 answers
82 views

Is it possible to compile a grass addon into a commandline app?

As the title says, I'm wondering if it's possible to take the source of a grass add-on and compile it into a commandline app. Or, alternatively, use the add-on in a python program. Basically, I don'...
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4 votes
0 answers
854 views

How to install grass addons when offline?

Can anyone tell me how can I install GRASS (v.7) addons on a windows PC when offline? I manually downloaded the files from http://svn.osgeo.org/grass/grass-addons/grass7/ and copied: - the .py file ...
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1 vote
1 answer
777 views

r.basin.py GRASS addon

I have added this add on with g.extension on my grass 6.4.3RC3. But it doesnt work... this is the error I can see: Traceback (most recent call last): File "C:\Program Files (x86)\GRASS GIS 6.4.3RC3\...
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1 vote
1 answer
521 views

Add-ons on GRASS (win7)

Can someone help me to install an add-on for GRASS 6.4.3RC3, on Windows 7? I tried several approaches, but wasn't able to install the add-on. I found several topics here and on the web but the ...
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2 votes
1 answer
356 views

Undefined reference errors installing GRASS addon

I am trying to install the r.geomorphons GRASS addon (available from http://sil.uc.edu/pdfFiles/jarek/r.geom.zip) in GRASS. I tried on Windows but gave up and decided the best thing to do was to try ...
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2 votes
2 answers
3k views

Looking for a list of tools/add-ins for ArcGIS Explorer

I'm hoping to compile a list of add-ins & resources for ArcGIS Explorer. I intend to install it at home, and apparently, there are a number of server feeds out there that can significantly ...
5 votes
4 answers
2k views

Where can I find a tutorial for installing an addon to GRASS GIS that a six-year-old could understand?

I want to use the r.stream.distance addon in GRASS GIS 6.4 on ubuntu 10.04 (64 bit). I've installed grass from the repositories and that works fine but I can't seem to figure out how to install this ...
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6 votes
2 answers
5k views

Installing add-ons in GRASS?

How do I install the r.inund.fluv script in GRASS? https://svn.osgeo.org/grass/grass-addons/grass6/raster/r.inund.fluv/
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