LiDAR backpack (IMAGE) Purdue University Caption Backpacks containing LiDAR, or light detection and ranging equipment, and other data collection tools are carried into the forest to measure trees and plants. Credit Purdue Agricultural Communications photo Usage Restrictions News organizations may use this image in reports about the work of Purdue University’s Institute for Digital Forestry. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.