underdark

Vienna, Austria

anitagraser.com

Age: 26

Open source GIS and information visualization geek, OSGeo Charter and QGIS team member.

Interests: Open source GIS, open data, spatial databases, GIS-T

Twitter: @underdarkGIS

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Best practices for visualizing speed

visualisation spatio-temporal-data best-practices asked Oct 20 '10 at 8:42

gis.stackexchange.com

21 votes

Are there open source alternatives to ArcCatalog?

open-source foss4g asked Aug 29 '10 at 23:31

gis.stackexchange.com

19 votes

Are ellipsoids a mathematical necessity?

geography geodesy ellipsoid geoid asked Mar 7 at 7:02

gis.stackexchange.com

18 votes

Which Tools do you use for Classification of Remote Sensing Data?

remote-sensing classification asked Nov 5 '10 at 8:26

gis.stackexchange.com

16 votes

Is there an open source GIS to view and edit CityGML models?

open-source citygml asked Aug 15 '11 at 12:19

gis.stackexchange.com

15 votes

Maximum number of point features in an OpenLayers vector layer

openlayers web-mapping asked Apr 23 '11 at 13:00

gis.stackexchange.com

13 votes

Fastest way to spatially join a point CSV with a polygon Shapefile

open-source optimisation point-in-polygon asked Jul 25 '11 at 16:36

gis.stackexchange.com

13 votes

Which CRS would you use to georeference historical world maps?

raster georeferencing asked Mar 30 at 13:24

gis.stackexchange.com

12 votes

How to create one-sided buffers or parallel lines in PostGIS?

postgis polyline-creation buffer parallel-lines asked Aug 15 '10 at 21:22

gis.stackexchange.com

12 votes

How to create spatial tag clouds or “tag maps”?

web-mapping visualisation asked Dec 13 '10 at 13:01

gis.stackexchange.com

Top Answers

What is the most annoying fact about the GIS market/industry?

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How to build effective heat-maps?

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Where can I find QGIS tutorials and resources?

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What is the difference between DEM, DSM and DTM?

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How to Start Web Mapping?

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Examples of badly designed maps

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How do I convert MapInfo TAB and/or MIF to SHP?

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Creating drive time polygons using open source tools

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What is the difference between WGS84 and EPSG4326?

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How to style beautiful road maps with QGIS?

gis.stackexchange.com

GIS: PostGIS/PostgreSQL vs. MySql vs. SQL Server?

stackoverflow.com

Is it absolutely necessary for a web programmer to be a web designer?

programmers.stackexchange.com

Open source methods for kriging?

gis.stackexchange.com

PostGIS: What are the pros and cons of geography and geometry types

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Why is the 'straight line' path across continent so curved?

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What do I need to know, to develop a plugin for QGIS?

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Visualising WKT geometry string in QGIS

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How to add Basemaps from Google or Bing in QGIS?

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How to make a spatial view in PostGIS and add it as a layer in QGIS?

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GPS to map workflow, for non-GIS folk

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Migrate from ArcGIS to QGIS?

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What are the FOSS equivalents to these ArcGIS products?

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Identifying topological relationships using PostGIS

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sqlite to spatialite

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How to join attributes from nearest point in QGIS?

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How to convert/typecast from Polygon to Multipolygon in PostGIS?

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Extract raster values at points

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Curved point-to-point “route maps”

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PostGIS ST_Distance vs. pgRouting

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What's the status of Postgis 2.0 topology support in QGIS?

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