National LiDAR-derived DEMs: England at Femtometer Vertical Resolution

[Martin Isenburg]

Hello folks,

this is one for the story books. I've heard people lamenting that opening national LiDAR archives is challenging because handling "big data" is not easy. Yes ... it is "big data" and that means the decision about storage formats and resolution and compression are quite imporant. Here is a wonderful teachable moment for anybody planning a download portal in the future:

http://rapidlasso.com/2015/09/02/england-releases-national-lidar-dem-with-insane-vertical-resolution/

Regards,

Martin @rapidlasso

PS: Reminds me of CyArk's "Web-Optimzied" 3D content at Picometer resolution from a few years ago: http://groups.google.com/d/topic/lastools/dtZBv1YY5uk/discussion