38,120 reputation
675166
bio website anitagraser.com
location Vienna, Austria
age 27
visits member for 4 years
seen 3 hours ago

Open source GIS expert, OSGeo Charter, QGIS PSC member, and author of Learning QGIS 2.0.

Interests: open source GIS, open data, spatial databases, GIS-T, data visualization for exploration

Twitter: @underdarkGIS


Dec
15
accepted How to using custom point markers in Matlab Mapping Toolbox?
Aug
2
accepted In GIScience, is there a generally agreed list of top tier conferences?
Mar
9
accepted Are ellipsoids a mathematical necessity?
Feb
7
accepted How to debug ogr2ogr ERROR 1: Did not get at least 2 values or invalid number of set of coordinates?
May
3
accepted Which GIS support DXF and/or DWG?
Feb
29
accepted How to style features created by DrawFeature control?
Jan
24
accepted Best practices for visualizing speed
Aug
15
accepted Fastest way to spatially join a point CSV with a polygon Shapefile
Jul
25
accepted Performance Gain Through GIST Index for Point in Polygon Query
Jun
10
accepted How to interpolate GPS Positions in PostGIS
May
17
accepted Maximum number of point features in an OpenLayers vector layer
Apr
18
accepted Overlaying lat/lon points on Google layer in OpenLayers
Apr
13
accepted Converting GPX track_points layer to CSV with lat/lng with ogr2ogr
Apr
4
accepted Experience with Geoserver's GML Extension
Dec
20
accepted How to calculate difference in altitude along lines using GRASS?
Nov
27
accepted How to calculate polygon length and width using open source GIS?
Nov
27
accepted Which Tools do you use for Classification of Remote Sensing Data?
Nov
8
accepted Looking for a basic PostGIS viewer to use as basis for own application
Nov
8
accepted Is it common to save geographic coordinates in minutes instead of degrees?
Nov
8
accepted How to determine which WFS server software is being used?