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Mid-Term Results

Mid-Term Results. Test Results. 64-bit floating point: 14-15 digits of precision Attributes are not “vector data”, they are attributes of features Earth is about 40,000km around, 12,000km in diameter Undefined SRS, investigate and define 30degrees 30’ = 30.5 degrees

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Mid-Term Results

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  1. Mid-Term Results

  2. Test Results • 64-bit floating point: 14-15 digits of precision • Attributes are not “vector data”, they are attributes of features • Earth is about 40,000km around, 12,000km in diameter • Undefined SRS, investigate and define • 30degrees 30’ = 30.5 degrees • Earth at the north pole is 0km and 360 degrees around • Document Uncertainty -> Report, Metadata, Map • There will be more questions from the book on the final!

  3. Reading Introduce concepts, methods Reference as needed Labs Learn and reinforce skills Lectures Clarify concepts, methods Fill in gaps Answer group questions Office Hours Clarify individual questions Help with projects

  4. Reading Focus • Cadaster: • Not a raster used in CAD • Not when the Cadberry bunny has an accident • PLSS divisions: • Not BLM, USGS, Forestry, • Not the Mississippi, State boundaries • Generalization • TINs • Distance Decay • Applications • Douglas-Poker • Spatial Autocorrelation • Types of symbology (maps, themes) • “Raster Data Capture” – Remote Sensing

  5. Thought provoking • What is the uncertainty of a bibliography?

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