GIS definitions


GIS Learning

LiDAR was used to Map Flooding from Hurricane Isaac. Source: USGSLiDAR was used to Map Flooding from Hurricane Isaac. Source: USGS

LiDAR: Light Detection And Ranging

LiDAR is an acronym for ‘light’ and ‘radar,’ a tool developed to detect targets and to use reflected light off of objects as a kind of visual sonar. Light Detection And Ranging (LiDAR) can determine how far objects are away from each other by shining a laser onto a target and analyzing the […]

GIS Learning

GIS Dictionary – Letter R

GIS Dictionary – Letter R

– R – Relational Database A collection of data organized in two-dimensional tables consisting of named columns and (usually unique) rows. Relief Map A model of the ground as a it actually exists, showing the topography of the geographic area mapped. Remote Sensing The technique of collecting information from a […]