Lecture-3a_Bb_1SlidePerPage

Lecture-3a_Bb_1SlidePerPage - Representing Geography and...

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Representing Geography and Data Modeling
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Ways to Know the World • Personal Direct Experience • All Additional Knowledge Comes From: – books, the media, movies, maps, images, & other information sources
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Representations • A Simplified _________ Of The Real World – No matter how specific we are in describing our environment we will never be able _________ in complete _________! – We are forced to selectively _________ certain details
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Representations • Organization Of Information In Certain Forms: – In Human Mind • Collected through sensation – In Photographs • 2-D view of the world – In Written Text • An account/description of the environment • ‘Attributes’ collected in the field (temp. etc)
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Representations • Digital Representation (______ System) – Uses only two symbols, 0 and 1, to represent all types of information – Permits the handling of datasets of varying type and complexity by a single _________! – Easily copied and transmitted • Vast amounts of data can be stored in very small spaces.
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Representations • Digital Representation – Endless applications to _________
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Lecture-3a_Bb_1SlidePerPage - Representing Geography and...

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