With GIS, you can analyse topographic, environmental, demographic and land use data to help you with your business decisions and project management.eed and pest management. Invasive weeds and pests can lead to massive economic costs. GIS is used to determine the areas infested by mapping in the field (recording perimeters of infested areas or recording individual points/sightings) or using satellite imagery/remote sensing.
Definition of lidar. : a device that is similar in operation to radar but emits pulsed laser light instead of microwaves.
Light Detection and Ranging in more detail. 1  LiDAR, or 3D laser scanning, was conceived in the 1960s for submarine detection from aircraft and early models were used successfully in the early 1970's in the US, Canada and Australia.