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Exposing GRASS GIS add-on in QGIS Processing framework?

How do you Turn on the GRASS plugin in Quantum GIS?Missing v.in.ogr module of GRASS in QGIS Processing toolbox?How can I add r.local.relief to the QGIS Processing Toolbox?Unable to find a specific GRASS add-on in QGISHow to add my own GRASS algorithms to Processing?v.kernel is missing under Processing Toolbox GRASS GIS 7 commandsError g.extension GRASS GIS in UbuntuUnable to install add-on in GRASS GIS 7GRASS GIS addon “extension not found”; could the problem be with the GRASS Addons server?Missing GRASS image processing modules in QGIS 2.14 ProcessingGRASS GIS installed add on does not show in Modules>addonsGRASS Processing not working on QGIS?What am I missing to get GRASS 7.6 tools to run in QGIS 3.4.4 Processing (linux)?

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2

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?

qgis grass qgis-processing add-ons

share|improve this question

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you @PolyGeo for the edit. But the title is syntactically/grammatically now incorrect. At least, my poor English tells me, it should read: either "Exposing a GRASS GIS add-on in QGIS Processing framework?" or "Exposing GRASS GIS add-ons in QGIS Processing framework?".
  
  – Nikos Alexandris
  Apr 19 at 12:48
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The title is a summary of your question. It can normally be summarized in fewer characters (for search engine optimization and duplicate suggestions) by not insisting on a fully formed sentence.
  
  – PolyGeo♦
  Apr 19 at 12:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @PolyGeo I see. But I still think it should be grammatically correct.
  
  – Nikos Alexandris
  Apr 19 at 13:01
  

  
  
  
  

add a comment | 

2

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?

qgis grass qgis-processing add-ons

share|improve this question

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thank you @PolyGeo for the edit. But the title is syntactically/grammatically now incorrect. At least, my poor English tells me, it should read: either "Exposing a GRASS GIS add-on in QGIS Processing framework?" or "Exposing GRASS GIS add-ons in QGIS Processing framework?".
  
  – Nikos Alexandris
  Apr 19 at 12:48
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The title is a summary of your question. It can normally be summarized in fewer characters (for search engine optimization and duplicate suggestions) by not insisting on a fully formed sentence.
  
  – PolyGeo♦
  Apr 19 at 12:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @PolyGeo I see. But I still think it should be grammatically correct.
  
  – Nikos Alexandris
  Apr 19 at 13:01
  

  
  
  
  

add a comment | 

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?

qgis grass qgis-processing add-ons

share|improve this question

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

share|improve this question

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

share|improve this question

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

edited Apr 19 at 11:41

PolyGeo♦

54.1k1782247

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

asked Apr 19 at 11:06

Nikos AlexandrisNikos Alexandris

1,0791528

1 Answer
1

active

oldest

votes

4

QGIS core developer Nyal Dawson explained a best-practice approach in this e-mail thread.

Overview

1. Subclass QGIS' class Grass7AlgorithmProvider




2. Set the value of descriptionFolder to the path of the add-on in question




3. Override the methods for logo, descriptions, name etc.

An example of it, implemented by Panagiotis Mavrogiorgos is https://gitlab.com/natcapes/natcapes_qgis, which literally exposes the https://gitlab.com/natcapes/r.estimap.recreation GRASS GIS add-on under Processing.

Finally, it would be nice to have an update for https://issues.qgis.org/issues/21322 -- essentially, an update of the "documentation" file https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt.

Related Screenshots

• Processing Toolbox and the normal GRASS GIS provider: https://i.imgur.com/3QZ4bB9.png
  


• QGIS Plugin in the 'natcapes_qgis' repository: https://i.imgur.com/UArlt36.png
  


• Install (the above mentioned QGIS) Plugin from ZIP: https://i.imgur.com/Q2sXNdw.png
  


• Plugin installed, provider activated: https://i.imgur.com/LdmpaWF.png
  


• The interface to r.estimap.recreation: https://i.imgur.com/uJbMSpw.png
  

share|improve this answer

edited Apr 19 at 12:50

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

add a comment | 

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4

QGIS core developer Nyal Dawson explained a best-practice approach in this e-mail thread.

Overview

1. Subclass QGIS' class Grass7AlgorithmProvider




2. Set the value of descriptionFolder to the path of the add-on in question




3. Override the methods for logo, descriptions, name etc.

An example of it, implemented by Panagiotis Mavrogiorgos is https://gitlab.com/natcapes/natcapes_qgis, which literally exposes the https://gitlab.com/natcapes/r.estimap.recreation GRASS GIS add-on under Processing.

Finally, it would be nice to have an update for https://issues.qgis.org/issues/21322 -- essentially, an update of the "documentation" file https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt.

Related Screenshots

• Processing Toolbox and the normal GRASS GIS provider: https://i.imgur.com/3QZ4bB9.png
  


• QGIS Plugin in the 'natcapes_qgis' repository: https://i.imgur.com/UArlt36.png
  


• Install (the above mentioned QGIS) Plugin from ZIP: https://i.imgur.com/Q2sXNdw.png
  


• Plugin installed, provider activated: https://i.imgur.com/LdmpaWF.png
  


• The interface to r.estimap.recreation: https://i.imgur.com/uJbMSpw.png
  

share|improve this answer

edited Apr 19 at 12:50

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

add a comment | 

4

QGIS core developer Nyal Dawson explained a best-practice approach in this e-mail thread.

Overview

1. Subclass QGIS' class Grass7AlgorithmProvider




2. Set the value of descriptionFolder to the path of the add-on in question




3. Override the methods for logo, descriptions, name etc.

An example of it, implemented by Panagiotis Mavrogiorgos is https://gitlab.com/natcapes/natcapes_qgis, which literally exposes the https://gitlab.com/natcapes/r.estimap.recreation GRASS GIS add-on under Processing.

Finally, it would be nice to have an update for https://issues.qgis.org/issues/21322 -- essentially, an update of the "documentation" file https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt.

Related Screenshots

• Processing Toolbox and the normal GRASS GIS provider: https://i.imgur.com/3QZ4bB9.png
  


• QGIS Plugin in the 'natcapes_qgis' repository: https://i.imgur.com/UArlt36.png
  


• Install (the above mentioned QGIS) Plugin from ZIP: https://i.imgur.com/Q2sXNdw.png
  


• Plugin installed, provider activated: https://i.imgur.com/LdmpaWF.png
  


• The interface to r.estimap.recreation: https://i.imgur.com/uJbMSpw.png
  

share|improve this answer

edited Apr 19 at 12:50

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

add a comment | 

QGIS core developer Nyal Dawson explained a best-practice approach in this e-mail thread.

Overview

1. Subclass QGIS' class Grass7AlgorithmProvider




2. Set the value of descriptionFolder to the path of the add-on in question




3. Override the methods for logo, descriptions, name etc.

An example of it, implemented by Panagiotis Mavrogiorgos is https://gitlab.com/natcapes/natcapes_qgis, which literally exposes the https://gitlab.com/natcapes/r.estimap.recreation GRASS GIS add-on under Processing.

Finally, it would be nice to have an update for https://issues.qgis.org/issues/21322 -- essentially, an update of the "documentation" file https://github.com/qgis/QGIS/blob/master/python/plugins/processing/algs/grass7/grass7.txt.

Related Screenshots

• Processing Toolbox and the normal GRASS GIS provider: https://i.imgur.com/3QZ4bB9.png
  


• QGIS Plugin in the 'natcapes_qgis' repository: https://i.imgur.com/UArlt36.png
  


• Install (the above mentioned QGIS) Plugin from ZIP: https://i.imgur.com/Q2sXNdw.png
  


• Plugin installed, provider activated: https://i.imgur.com/LdmpaWF.png
  


• The interface to r.estimap.recreation: https://i.imgur.com/uJbMSpw.png
  

share|improve this answer

edited Apr 19 at 12:50

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

share|improve this answer

edited Apr 19 at 12:50

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528

answered Apr 19 at 11:07

Nikos AlexandrisNikos Alexandris

1,0791528