Stack Exchange

underdark

Vienna, Austria

http://anitagraser.com

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

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

Twitter: @underdarkGIS

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Top Questions
Top Answers
120
Difference between WGS84 and EPSG:4326?
gis.stackexchange.com

111
Adding Basemaps from Google or Bing in QGIS?
gis.stackexchange.com

93
How to Start Web Mapping?
gis.stackexchange.com

86
What is the most annoying fact about the GIS market/industry?
gis.stackexchange.com

82
Renaming attributes/fields in shapefile attribute table using QGIS?
gis.stackexchange.com

81
Differences between DEM, DSM and DTM?
gis.stackexchange.com

74
Building effective heat-maps?
gis.stackexchange.com

74
What are the pros and cons of PostGIS geography and geometry types?
gis.stackexchange.com

69
Visualising WKT geometry string in QGIS
gis.stackexchange.com

59
Seeking QGIS tutorials and web resources?
gis.stackexchange.com

53
Making spatial view in PostGIS and adding it as layer in QGIS?
gis.stackexchange.com

53
How to convert/typecast from Polygon to Multipolygon in PostGIS?
gis.stackexchange.com

52
Creating drive time polygons using Open Source tools?
gis.stackexchange.com

51
GIS: PostGIS/PostgreSQL vs. MySql vs. SQL Server?
stackoverflow.com

51
Converting MapInfo TAB and/or MIF to SHP using free tools or ArcGIS for Desktop core product?
gis.stackexchange.com

45
Open source methods for kriging?
gis.stackexchange.com

42
Change style properties of several layers simultaneously?
gis.stackexchange.com

35
Extracting raster values at points using Open Source GIS?
gis.stackexchange.com

34
Understanding QGIS buffer tool units?
gis.stackexchange.com

32
Manually placing labels in QGIS?
gis.stackexchange.com

32
Why does PostGIS installation not create a template_postgis?
gis.stackexchange.com

30
Getting started with QGIS plugin development?
gis.stackexchange.com

29
Styling road maps with QGIS?
gis.stackexchange.com

29
How to set all pixels with value <= 0 to “nodata” in DEM raster?
gis.stackexchange.com

28
Is there a way to add system date or time in print composer?
gis.stackexchange.com

27
Elevation color ramps for DEMs in QGIS
gis.stackexchange.com

27
What Makes a Map be classed as Badly Designed?
gis.stackexchange.com

26
Curved point-to-point “route maps”
gis.stackexchange.com

25
Joining attributes from nearest point in QGIS?
gis.stackexchange.com

24
Bounding box for PostGIS table
gis.stackexchange.com

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