Well Known Vs. Rational Vector Delivery – Part 3

It looks like the boys at Microsoft Research implemented my idea: tiled vectors.  Their demo makes one thing obvious, however.  Douglas-Peucker just doesn’t cut it for topologies.  This becomes a non-issue with a pixel-level of detail, but just looks bad in their demo.  Their implementation doesn’t seem to preserve existing points between zooms; it’s probably just as efficient this way.  Via Vish.  (Check out Idevio, while you’re at it.) 

Winners:  Me!  Virtual Earth stole my idea!!  (LOL… “my” idea)

Losers: Me!  Virtual Earth stole my idea!!

Well Known Vs. Rational Vector Delivery – Part 2

Today I coded up a little toy application.  It limits the number of vertices displayed according to zoom level.  Very simple.  Its the pre-game to tiled vector datasets. 

Winners:  NetTopologySuite and SharpMap.  They let me write this in under 80 lines of code.

Losers: Me!  I skipped out on rock-climbing, a movie, and beer to write this.