CompPerspectiveNavPart2

CompPerspectiveNavPart2 - Constraints A Computational...

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1 A Computational Perspective on Navigation Part 2: Micronesian Navigation Constraints • A constraint excludes some possibilities in a range of possibilities. • A particular constraint may leave many possibilities in play. • Constraints can be combined to restrict the range of possibilities in play. • Sometimes it is possible to combine constraints in a way that leaves only a single possibility. Line of Position Arc of Position Combining one-dimensional Constraints Position/Displacement Constraint
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2 Distance, Rate, and Time Constraint Micronesian Navigation South Pacifc Voyaging requirements • Set out in the right direction • Maintain course while traveling • Determine when to look For the destination Seeing stars…
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3 Seeing stars as constellations The constellation Orion Star Chart of Orion Orion and Mythology Caroline Island Star Compass Looking East to where the linear constellations rise out of the horizon
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4 Linear Constellations • Provide directional reference for course
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This note was uploaded on 12/11/2011 for the course COGS 102a taught by Professor Staff during the Fall '08 term at UCSD.

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CompPerspectiveNavPart2 - Constraints A Computational...

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