Mapping Urban Drainage with Airborne LIDAR Using LP360

On January 11, 2018, Benjamin H. Houston, P.E., PMP, GISP presented a webinar with GeoCue Group, Inc. on mapping urban drainage with airborne LIDAR using LP360. Benjamin Houston has over 25 years of experience with mapping technologies, both from military applications, environmental conservation and public works. He is a licensed professional engineer in New York and…

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LP360 and Topolyst Feature Analyst

Feature Analyst is an exciting new tool that will appear in LP360/Topolyst 2016.2.  To motivate this discussion, I will provide a synopsis of a few use cases for Feature Analyst here.  A detailed look at these cases is presented at the end of this article.  Examples of tests you will be able to perform with…

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River Flattening in TerraModeler

Hydro-flattening is a common requirement when it comes to delivering surface models to the U.S. Geological Survey (USGS) National Elevation Dataset (NED). According to the USGS LIDAR Base Specification Version 1.2, a hydro-flattened surface refers to a specific kind of digital elevation model (DEM) that is required for inclusion in the NED. A hydrologically flattened…

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