Category Archives: Lidar/Imaging
Point Clouds for Water Conservation
Image above: The Lake Mead region of Las Vegas, Nevada. A project to identify and quantify irrigated landscapes in Las Vegas demonstrates the advantages of using lidar to save precious natural resources. Persistent drought conditions in the western United States are dramatically reflected in the steady diminution, over the past 15 years, of Lake Mead,...
Mobile Mapping Evolves
Image above: A colorized point cloud from a subway collect in Los Angeles, California. Credit: Joe Feyder, PLS, R.E.Y Engineers, INC., and John Jaramillo, Los Angeles County Metropolitan Transportation Authority. While lidar has been a standard geospatial tool for many years, the requirements of companies using it have been rapidly changing and evolving. Therefore, lidar...
ULS and the Search for Yamashita’s Gold
In the waning days of World War II, the Japanese were faced with a dilemma: what to do with the billions in loot taken from Southeast Asia. According to some accounts, faced with US naval dominance in the Pacific, the Japanese could not return the gold, gems, and other valuables to the homeland. Instead the...
Nullifying the Noise
Image above: The Trifide crew of Ginette Allen and Hélène Gagné (with Herman Lavallée who rented them the truck) had to build a wooden rack and install it on the rented truck bed to provide a stable platform for the mobile mapping system. A female surveyor stays ahead of the competition and her critics by...
Why I Heart My Geospatial Job
Above: Marc wears a poncho given to him by his students in Paraguay. xyHt celebrates Valentine’s Day by sharing the love our contributors feel about their geospatial careers. Marc Delgado Loves His Students’ Reactions I love to see and hear my students’ initial reactions when they draw their first map from memory. I’m now in...
Geo Week 2019: Lots and Lots of Lidar
Every time I go to this conference I get the sensation of drinking from a fire hose: so much lidar technology! This year the International LiDAR Mapping Forum (ILMF) became Geo Week with the addition of the ASPRS annual conference and MAPPS winter conference. Here’s a small sample of the wide array of lidar tech...
