Introduction to Geodesy and Mapping
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- Languages: English
- Publish Date: 2015-04-23
- Skill Level: 1
- Completion Time: 1.50 - 2.00 h
- Includes Audio: yes
- Required Plugins: none
- Topics:
Geospatial - Included in Courses:
Elements of Hydrography Distance Learning Course -
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This lesson covers the topics of geodesy, datums, map projections, and map coordinate systems. Geodesy addresses the shape of the earth: the topographic surface, geoid, and best-fit ellipsoid. Datums addresses the position and orientation or the best-fit ellipsoid and the resulting coordinates. Map projections addresses the different ways to project an ellipsoidal datum onto a flat surface. Each projection has unique properties and each has pros and cons. Coordinate systems addresses the different ways that a rectangular coordinate system can be superposed on latitude-longitude graticule.
