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GRASS GIS 7.0 is out!

It has taken many years of development, but finally the new stable major release GRASS GIS 7.0.0 is available. Many congratulations to the developers, they did an incredible job. This version provides...

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New version of QGIS released

The latest version of QGIS, version 2.8 aka QGIS Wien, has been released. Besides along list of new features and improvements (check out the visual change log), this is also the first release...

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Importing data in GRASS GIS – an example

Introduction ISRIC, Earth Institute, Columbia University, World Agroforestry Centre (ICRAF) and the International Center for Tropical Agriculture (CIAT) have recently released a new data set of raster...

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Importing GLCF MODIS woody plant cover

The data set The Global Land Cover Facility offers, amongst many other data sets, the MODIS Vegetation Continuous Fields data set for download. These are layers that contain proportional estimates for...

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A map with the number of mammal species based on IUCN redlist range maps

I am looking at species richness and number of threatened species across the landscape in eastern Africa and will explain briefly how you can create a map based on data from the IUCN Red List of...

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QGIS live layer effects is propelling QGIS to the next level in the...

This new feature created by Nyall Dawson and funded through crowd funding really sets new limits in terms of what is possible in terms of cartography. Check out Nyall’s post Introducing QGIS live layer...

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GRASS 7.0 is out, but the development continues unabated

Just a thumbs-up for the developers of GRASS GIS, who evidently do not rest on their laurels since their release of GRASS GIS 7.0. Below one of those more visible new features in the GRASS GIS...

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New publication: Environmental Gap Analysis to Prioritize Conservation...

Just got an article out in PlosOne. Analysis were carried out and maps and figures created using a stack of open source tools, including GRASS GIS, R, and QGIS. The article addresses the question...

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Another stab at creating a Tanaka-style contour map

In a recent post Anita Graser (aka underdark) showed how to create illuminated or Tanaka contours in QGIS using various functions available in the toolbox and some custom functions. Here I want to...

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First release candidate of the upcoming GRASS GIS 7.0.1 version is out

GRASS GIS 7.0.1 RC1 is the upcoming stability release and provides a series of stability fixes, manual improvements and a few language translations. This first release candidate GRASS GIS 7.0.1RC1...

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QGIS 2.10 Pisa is out!

The new QGIS 2.10 (Pisa) has been released, with many great new features, tweaks and enhancements. Check out the changelog for the highlights (you’ll need some time, it is again an impressive list of...

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Accessing shared files on Linux from Windows (trouble shooting / if solutions...

The problem I work in a shared Linux – Window environment and sharing files between computers has always been somewhat cumbersome. Most of the time I was able to access files in a shared folder on the...

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Vegetation map for eastern Africa 2.0

Check out the new vegetation map and accompanying tools for identifying and selecting the right tree for the right place in eastern Africa at http://vegetationmap4africa.org. The potential natural...

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GRASS GIS categorical maps and legends

Did you ever add a legend to your categorical raster map in GRASS GIS that displayed many more categories than your map actually has? It can happen if that map was ‘cut out’ from a larger region using...

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Counting number of layers returned by g.list in GRASS GIS

I am running a script that is producing a very large number of layers. As it takes a while, I wanted to find out how many layers were already created using the command line. Trivial thing perhaps, but...

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The QGIS GRASS plugin is back

For me, one of the killer features of QGIS has always been the integration with GRASS GIS. With the GRASS GIS plugin, introduced about 10 years ago, QGIS basically provided an alternative interface for...

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First release candidate of the upcoming GRASS GIS 7.0.2 version

Fresh from the press, that is, the GRASS email list: The first release candidate of the upcoming GRASS GIS 7.0.2 is out. This upcoming stability release provides a series of stability fixes and manual...

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QGIS 2.12 ‘Lyon’ released

A great thanks to the QGIS developers for this new version, with some exciting new features and improvements, such improvements to PostGIS connections in browser and the DB Manger tool, conditional...

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PyGRASS equivalent of piping results from one function to another

When using GRASS commands on the command line, one very neat little trick is to ‘pipe’ results from one function directly to another. An example I used in an earlier post is: So, how does that works in...

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GRASS GIS categorical raster layers in QGIS

With the QGIS GRASS plugin, you can easily open a GRASS raster layer in QGIS. One disadvantage, however, is that if your GRASS layer has category labels, these will not show in the QGIS legend. See for...

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