posts tagged 'circular cartograms'

Building topology in Flash

For a while now, I’ve wanted to build geographic topology in Flash. Topology, as described in an ESRI white paper, is
a set of rules and behaviors that model how points, lines, and polygons share geometry. For example, adjacent features, such as two counties, will share a common edge.
For the applications I’ve had [...]

E00Parser, an ActionScript 3 parser for the Arc/Info Export topological GIS format

First off, why mess with such a retro format as Arc/Info Export (.e00)?- any code written for this ASCII file type in the last few years has been on how to go from e00 to pretty much anything (especially to the non-topological data format, the shapefile).
Put simply, topological information makes a lot [...]