Scale distortion - PowerPoint PPT Presentation

GIS for Planetary Geologic Mapping

GIS for Planetary Geologic Mapping. Tools and methods to get started using GIS geologic mapping Prepared for a NASA PGM 1 day workshop USGS Astrogeology. Introduction. Goals Orient planetary mappers to the GIS functions and utility Define format for future workshops

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1.19k views • 84 slides

Projections and Coordinate Systems

Projections and Coordinate Systems. Overview Projections Examples of different projections Coordinate systems Datums. Projections. The earth is a spheroid The best model of the earth is a globe. Drawbacks: not easy to carry

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753 views • 53 slides

Lecture 6 Content

Lecture 6 Content. Errors: Scale Relief Shadow Parallax Other errors. Errors: The geometry of scanned satellite data is more complex than that of aerial photos, and it is very difficult to overcome adequately the effects of geometric errors for mapping purposes

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240 views • 11 slides

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