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 [...]
posts tagged 'flash'
Building topology in Flash
Lens tools and fisheye map browsing
L.A.’s Cartifact recently released Cartifact Maps, a Flash-based tilemaps viewer with custom cartography and advanced map browsing tools. The historic overlays and beautiful cartographic design are perhaps of most interest, but I’m equally impressed by their implementation of a novel map browsing UI featuring a magnifying glass or “lens tool”.
I first saw this map [...]
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 [...]