4 ms·
That's a good question. Not sure!
by zodPod 10y ago
That's a good question. Not sure!
- Isamu 10y agoBest I could find right now: Lidar point cloud data http://www.dcnr.state.pa.us/topogeo/pamap/lidar/index.htm#clouds http://www.dcnr.state.pa.us/topogeo/pamap/lidar/index.htm#cl... Looks like Allegheny county was done in 2006. What is nice about the point cloud data is that they classified each point as ground, road, water, etc