Abstraction of geographical entities
{"Image DocumentName": "Abstraction of geographical entities", "Image ImageDescription": "Prof. Qiming Zhou. Abstraction of geographical entities. Points: locations of, e.g., oil and water wells, bus stops, cities on a small scale map. Lines: centre lines of, e.g., railways, highways, natural streams. Polygons: enclosed regions such as reservoirs, lakes, local government areas. Volumes: solid bodies such as building blocks, mine bodies, capacity of a reservoir. Processes: changing bodies such as landslides, moving objects. Representing the Real World. Representing the Real World.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}