GIS Latest Update (2022/2023) Already Passed

GIS Latest Update (2022/2023) Already Passed GIS (Acronym) Geographic Information System (pictures in the form of a map which are created by a computer system containing a database, a graphics program and tools to manage, edit and analyze geographically located data called features and attributes) Features Natural objects and human defined objects (all real world objects, trees, buildings, roads, rivers, continents, oceans, counties, census tracts, parcels) Attributes Describe features in a GIS (Name of a country, its population, and area) Types of information stored in a GIS Features and Attributes GIS (defined) An integrated computer system that is used to display, store, manage, and analyze data about objects on the earth. Differences between Paper, Digital, and GIS maps Paper - static, image does not change like a photograph Digital - map viewed on a computer which may be static like a paper map or may have some dynamic tools for finding a location, zooming, panning. GIS - more than a map, has a database behind it with tools to bring more information in, display data in various ways, look at sets of data to see patterns & compare relationships, analyze data to create new information, and helps to provide answers to questions. Functions of a GIS Visualization, Geodata Management, and Analysis (3 primary functions) Visualization looking at data on a map to get information and see relationships (GIS Map is a window into your data with different views to see relationships and patterns) Geodata Management organizing and updating information so that it is useful Analysis applying GIS tools to geographic data to answer questions and support decisions. Geographic Approach (def.) 1. Collect and organize geographic data to understand E 2. Analyze data to create geographic knowledge 3. Apply geographic knowledge to find solutions (a way to gain understanding and solve problems by creating and applying geographic knowledge with GIS as a tool) Uses of the geographic approach Automate workflows