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GIS Data Input: Scanners & Digitizers by Shweta Singh is a document available to read on EtoBox.

What is GIS Data Input: Scanners & Digitizers about?

The document discusses the history and methods of inputting GIS data using scanners and digitizers. It describes how early GIS systems required manually entering spatial data from paper maps by overlaying grids and keyboards. It then outlines the process of digitizing maps using tablets, including registering control points and digitizing in point or stream mode. The document also introduces scanning technology as an alternative to digitizing, how scanners work, and some advantages and limitations of both m

Author

Shweta Singh

Language

EN