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What is GIS Data Input Methods Explained about?

This document discusses data input methods for geographic information systems. It describes how both locational and attribute data are encoded, with locational data represented as coordinates within a coordinate system. Source maps may use different projections and scales, requiring data transformation. Attribute data is often stored in database tables. Primary data input methods include surveying, photogrammetry, GPS and remote sensing, while secondary methods are digitization, line following and scanning.

Author

Pankaj Mittal

Language

EN