Tag Archives: Satellite Photography
GIS Mapping Basics
Geographic Information Systems, or GIS, are systems that gather, organize and analyze data in terms of its geographical location. GIS mapping uses computer software to register data from land surveys, aerial and satellite photography, as well as a wide variety of other sources. This data is then combined and represented in map form.By layer data in geographical form, Geographic Information Systems mapping can tell us a lot about a particular location that we didn’t know before. The data input can include things like, rivers, mountains, streams, roads, gas stations, highways, bus stops, etc. Statistical data like census figures and other demographical information can also be fed into a GIS to produce different geographical analyses. The kind of data you input into a GIS depends on the type of analysis you are trying to acquire about a given location. For example, you can input a city’s crime stats onto a geographic Read more…