A Horizontal datum is to measure a location on the Earth's surface in latitude and longitude or other coordinate systems. A vertical datum is used to measure the elevation or…
A Horizontal datum is to measure a location on the Earth's surface in latitude and longitude or other coordinate systems. A vertical datum is used to measure the elevation or…
Earth is not a perfect globe and its surface is irregular. GIS needs to use coordinates values (X/Y, or Longitude/Latitude) to describe an actual position/feature on earth in software system.…