LiDAR Archives - GIS Geography

LAS Format: Converting LAS Files to DEM with ArcGIS 3D Analyst

How to Create DEMs from LAS files with ArcGIS 3D Analyst Light Detection and Ranging (LiDAR) is a distance technology. It sends a pulse to the ground and waits for that same pulse to return

5 Free Global DEM Data Sources – Digital Elevation Models

Want to elevate your chances of finding a digital elevation model? Sure you do. You should dive into our list of free global DEM data sources.

DEM, DSM & DTM Differences – A Look at Elevation Models in GIS

We explore the differences between DEM (bare earth), DSM (natural and built environment) and DTM (vector contours and regularly-spaced points).

What is Remote Sensing? The Definitive Guide

Remote sensing is the science of obtaining information without physically being there. The 3 most common methods of capture is airplane, satellite & drones.

A Complete Guide to LiDAR: Light Detection and Ranging

How would you like to wave your magic wand and find out how far everything is away from you? No magic wands necessary. This is how LiDAR works.

Passive vs Active Sensors in Remote Sensing

Active sensors illuminates its target and measures that reflected backscatter to the sensor. Passive sensors measure natural energy from the sun.

Top 6 Free LiDAR Data Sources

Does it feel like a big challenge to find LiDAR data sources? Master the art of attaining LiDAR at no cost with this list of 6 free LiDAR data sources.

Remote Sensing

100 Earth Shattering Remote Sensing Applications & Uses

This list of earth-shattering remote sensing applications will change the way you feel about how this industry is changing our world and the way we think.