Functions/Tasks of GIS:Data Input

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Presentation transcript:

Functions/Tasks of GIS:Data Input The procedure of encoding data into a computer-readable form and writing the data to the GIS database. Data input includes three major steps (the latter two steps are also called data preprocessing): Data capture Editing and cleaning Geo-coding

Functions/Tasks of GIS: Data Input Keyboard entry Manual digitizing (e.g., tablet, on-screen) Scanning

Geographic Data Organized into Layers

Data Input :Data Sources for GIS maps aerial photos satellite images technical descriptions GPS data

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