I'm a freelance software developer, specialising in custom geospatial software. If you're tackling difficult spatial problems, I'd love to hear from you: dan at shoutis.org!
21 What is the difference between WGS84 and EPSG4326? nov 10 '10
16 Control the colors of a shapefile dec 7 '10
12 Generate points that lie inside polygon feb 22 '11
9 Discontinuous or Interrupted map projections? sep 8 '10
8 What kinds of line segments/edges require high accuracy in a true surface-of-the-ellipsoid representation? feb 3 '11
8 Best practices for visualizing speed oct 21 '10
8 Using Geodesic Measurements for Circle Radii? nov 10 '10