state plane coordinate system


GIS Learning

Geographic Coordinate System

Geographic Coordinate System

Map projections allow us to convert from sphere to planar (flat) representation. Geographic coordinate systems allow for the measurements of distances and to determine direction. Except for the Geographic Grid all coordinate systems are based on some form of map projection. Coordinates In a coordinate system, the X value given […]

GIS Learning

Map Projections and Coordinate Systems

Map Projections and Coordinate Systems

What are Map Projections? The shape of the earth is roughly spherical wheres as maps are two dimensional.   Map projection is a set of techniques designed to depict with reasonable accuracy the spherical earth in a two-dimensional (i.e. flat) media.  Map projection types are created by an imaginary source of […]