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
155
Difference between WGS84 and EPSG:4326?
gis.stackexchange.com

147
Adding Basemaps from Google or Bing in QGIS
gis.stackexchange.com

110
Renaming attributes/fields in shapefile attribute table using QGIS?
gis.stackexchange.com

99
How to Start Web Mapping?
gis.stackexchange.com

91
Differences between DEM, DSM and DTM?
gis.stackexchange.com

87
Visualising WKT geometry string in QGIS
gis.stackexchange.com

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

78
What are the pros and cons of PostGIS geography and geometry types?
gis.stackexchange.com

77
Building effective heat-maps?
gis.stackexchange.com

63
How to convert/typecast from Polygon to Multipolygon in PostGIS?
gis.stackexchange.com

61
Seeking QGIS tutorials and web resources?
gis.stackexchange.com

57
Making spatial view in PostGIS and adding it as layer in QGIS?
gis.stackexchange.com

54
GIS: PostGIS/PostgreSQL vs. MySql vs. SQL Server?
stackoverflow.com

53
Creating drive time polygons using Open Source tools?
gis.stackexchange.com

52
Converting MapInfo TAB and/or MIF to SHP using free tools or ArcGIS for Desktop core product?
gis.stackexchange.com

49
Change style properties of several layers simultaneously?
gis.stackexchange.com

45
Extracting raster values at points using Open Source GIS?
gis.stackexchange.com

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

37
Manually placing labels in QGIS?
gis.stackexchange.com

37
How to set all pixels with value <= 0 to “nodata” in DEM raster?
gis.stackexchange.com

35
Understanding QGIS buffer tool units
gis.stackexchange.com

35
Is there a way to add system date or time in print composer?
gis.stackexchange.com

34
Elevation color ramps for DEMs 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
Bounding box for PostGIS table
gis.stackexchange.com

28
Joining attributes from nearest point in QGIS?
gis.stackexchange.com

27
Curved point-to-point “route maps”
gis.stackexchange.com

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

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