Die FOSSGIS und deutschsprachige Open Street Map Konferenz 2012 – die grösste deutschsprachige Anwenderkonferenz für Freie Geo-Informationssysteme und freie Geodaten – findet vom 20. bis 22. März 2012 an der Hochschule Anhalt in Dessau-Rosslau statt. Sourcepole ist mit folgenden Vorträgen und Workshops vertreten: Neues vom QGIS Server und -Webclient TinyOWS - der schlanke WFS Server MapServer MapCache - der neue WMTS Tile Cache Workshop: Neue Funktionen in QGIS für Poweruser Da mehr als 400 Teilnehmende erwartet werden, ist eine Registrierung bis zum 16. Read on

Creating a shaded relief map from digital elevation data is a nice way to create a backround map for web mapping or other GIS work. Thanks to the know-how and the funding from the Swiss Humanitarian Aid Unit, QGIS now has a sophisticated function for relief map generation. The method is described in detail in an paper by Marc-André Bünzli. An important part of the method is the choice of the elevation colors. Read on

QGIS already offers a lot of possibilities to visualize raster data (contrast enhancement, color map, handling of transparent pixels, …) Last year, Radim Blazek refactored the raster provider interface and added on-the-fly reprojection support for rasters to QGIS. Very cool! One of the few things currently missing in QGIS raster layer is the possibility to have other resampling types than nearest neighbour. The problem is that rasters appear pixelated when zooming further than the source raster resolution. Read on

For an unknown reason Ebuyer.com was spamming me for years and wouldn’t take me out of their spam distributor. So now they’re blacklisted on the SMTP level. No more spam to any of us or any of our customers/domains. mail:~# cat /etc/exim4/local_sender_blacklist *@*ebuyer.com Bye bye Ebuyer spam Read on

One would expect that considered the complexity of gdm there would be a way to have per user X11 options. So no, there isn’t one. At least not after the great rewrite after V2.22. However good old Unix paradigms can help us (this is all under Debian, other Unices will allow a similar trick): $ vim /usr/local/bin/X Add something similar like this: #!/bin/sh # # start X with different options depending on user # check if the parent gdm process that started us contains # " Read on