wkt

First understand a few basic concepts that help to understand the application scenario of this article Geographic Information System GIS GIS (Geographic Information System or Geo-Information system, GIS) is sometimes referred to as a “geographic information system”. It is a specific and very important spatial information system. It is in the [computer] hardware and software system support, the whole or part of the [Earth] surface (including the atmosphere) space in the relevant [geographic] distribution [data], [storage], [management], [computing], [analysis], [show]and [description] of the technical system