Digital Geography

Attribute Updating using ArcPy

After my first attempt in Python scripting using opensource Geospatial Data Abstraction Library (GDAL), I wanted to use ArcPy  in my second trial. The following code is so simple. You can use it to update the attribute table of a shapefile based on another shapefile/table. Let me break it down using this pseudo-code: Choose the first shapefile (the source). Identify the unique ID field in that shapefile. Write down all the values from the desired field (to replace the old values). Choose the second shapefile (the destination). Search for the unique ID records which meet that unique ID field in (step 2). Update…

short announcement: QGIS 2.0.1 Dufour now available on Ubuntu

Times are changing and so should a GIS. Since a long time there was the announcement to release QGIS 2.0 to the public by June. But as there were some blockers in the roadmap the release date was not updated. Everyone suspected a release after the QGIS hackathon and during the FOSS4g conference in Nottingham. Now it is out: Updating your ubuntugis-unstable PPA in Ubuntu will now install the brand new QGIS 2.0.1 Dufour! Enjoy and keep on visiting digital-geography!!! But as Nathan Woodrow (@madmanwoo) answered on my Tweet: “@dig_geo_com @qgis @QGISInfo @qgiswatch /sigh the packages aren’t meant to be…