Lidar data are 3D point clouds that can describe Earth's surface in great detail. However, lidar point clouds present some challenges because of how much data they contain. One fundamental challenge...
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The Point Data Abstraction Library (PDAL) is a powerful, open-source tool designed to work with dense point clouds. PDAL has applications that range from engineering to geography and is especially...
Anaconda is a Python distribution with additional tools to make it easy to manage Python environments and packages. If you're the kind of person that wants to work on a project without worrying about...
The only basemap available with QGIS is Open Street Map. Open Street Map is a good, basic basemap but sometimes context from aerial imagery is required to properly convey the meaning of a map. The...
Many types of geographical data represent 3-dimensional features. Displaying these data in compelling visualizations can often be difficult when limited to a 2-dimensional screen or piece of paper....
How to Download Lidar DEMs (Digital Elevation Models) and Point Clouds from the USGS
Lidar point clouds and DEMs are very useful in many applications and these data are becoming more readily available. In the next few years, it is expected that there will be lidar coverage for all of...
