Monthly Archives: May 2012

Check out this article ‘Let the four freedoms paradigm apply to ecology’ (but don’t get it from ScienceDirect)

There is an interesting letter (Let the four freedoms paradigm apply to ecology) in Trends in Ecology and Evolution by Duccio Rocchini and Markus Neteler arguing that science should use open source software. Basically, using open source software will help researchers … Continue reading

Posted in Open access | Tagged , , , , | 1 Comment

Checking the analogies of known places

On the GRASS user email list, a new script for GRASS GIS was just announced; r.finder. The script can be used to check the analogies of places with known characteristics and to show the most similar areas in the region. … Continue reading

Posted in GIS, GRASS GIS, research tools | Tagged , , , | Leave a comment

New library to extract OSM data

A quick note to myself (and whoever is interested :-)) Markus Neteler mentioned on the GRASS user mailing list a new library that came out that extracts valid data from within an OpenStreetMap input file. It is from the developer … Continue reading

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Poverty maps on HarvestChoice

Data on poverty levels, important for amongst others development study, yet very difficult to get. Sure, you can get global statistics from e.g., the FAO, Worldbank, here or here. But these give you highly aggregated data (mostly by country), not … Continue reading

Posted in Data sources, QGIS | Tagged , , , | 1 Comment

GIMP 2.8 is out

It was a long wait, but GIMP 2.8 is finally out. With this version some long-anticipated features are introduced such as layer groups, on-canvas text editing, advanced brush dynamics and the much desired optional single-window mode.

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Find and select duplicate values in your vector attribute table

Suppose you have a vector layer in your GRASS GIS database and you want to find all duplicate values in one of the columns of the attribute table of that layer? If you are using SQLite or PostgreSQL as the … Continue reading

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Update to Ubuntu Preise Pangolin

Just though I share some first impressions about my upgrade to Ubuntu 12.04 (Precise Pangolin). The upgrade process itself wasn’t the best experience ever unfortunately. After the upgrade, I couldn’t even start up anymore. As it turns out, during the … Continue reading

Posted in Operating system | Tagged , , , , , | 2 Comments