Tag Archives: command line tool

Add geometry values to vector layer in GRASS GIS

Posted on March 17, 2012 by

In my previous post I explained how to add geometry values to the attribute table of a vector map in QGIS. You can do the same in GRASS GIS. It is slightly more complicated (don’t worry, it is still easy … Continue reading →

Posted in Data handling, GIS, GRASS GIS | Tagged , , , , , | 1 Comment

Using OGR

Posted on April 24, 2011 by

One of the reasons I like GRASS GIS is that everything can be done at the command line. Of course there are other ways to do this, and one which I want to explore a bit more is the OGR … Continue reading →

Posted in GIS, GIS software | Tagged , , | Leave a comment

Accessing your file system from within R

Posted on March 6, 2010 by

R includes some powerful yet easy to use functions that provide a direct interface to the computer’s file system. In the example below I use two of these functions (file.info and file.copy) to copy a random selection of the songs on … Continue reading →

Posted in R computing environment | Tagged , , , | Leave a comment