Understand the GIS concept of LIDAR Market through Geiger model this WednesdayQuiz!
Geographic Information System or GIS has played a significant role in Geospatial technology to collate, manage, and analyze data. It is geographical science that provides the platform for multiple applications of GIS viz. Photogrammetry, LIDAR, Mapping, and more. GIS has a multitude of applications in various industry verticals like Urban planning, Environmental Analysis, Disaster Management, Navigation, and the comprehensive list continues…
GIS education has picked up significant traction regarding different GIS courses in India and Abroad. There is an influx seen by many individuals and professionals in India to enroll for career-based training for Geographic Information System(GIS). These training programs offer great career options wherein individuals can apply for positions for GIS analyst, GIS developer, GIS engineers, GIS technicians and more. One of the technologies that we are going to point out is Light Detection and Ranging (LIDAR). Like SONAR, which works on sound navigation, LIDAR works on the principle of Light, wherein a pulse of light energy hits the object and returns to the sensor generating a point cloud of millions of points in a single pulse.
Concept of LIDAR
LIDAR stands for Light Detection and Ranging(LIDAR). It is a remote sensing technology that uses laser pulses to measure ranges or a variable distance of the earth. When these light pulses are integrated with data from airborne sources, they tend to generate information in 3D. These are precise models that provide information about the shape of the earth.
The next evolution of LIDAR – Geiger Mode LIDAR and Single Photon technology
The next step in LIDAR evolution is Geiger-mode LIDAR and Single Photon LIDAR that offers high altitude scans over a larger mapping area. These lasers require a low laser energy requirement, and it provides technologists to map with very less photon density. With low energy requirements and high-density mapping, this technology can be used for high altitude flying up to 30,000 feet, and acquire high-density points of up to 25 points per square meter, and this was limited to 5000-8000 feet in linear LIDAR or legacy Radar Systems.
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