TianNeng Waterworks Pipenet Management (GIS) - GIS is the abbreviation of Geographic Information System, which is used for gathering, memorizing, managing and analyzing the data describing earth surface (including aerosphere). It includes graphical data, topological relation and data attributes, the former is denoted as 3-dimensional coordinate (x,y,z) or geographical coordinate (longitude, latitude and elevation), the latter is denoted as non-spatial data like the entity's name, area, length and type etc.

GIS mainly deals with gathering and editing of graphics and attributes like data management, so drawings of databank even space and terrace analysis. So it can be used in different fields about the geographical position. It can realize the visual and comprehensive administration with the background of city E-map.