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Lecture07 - What is a Map Data Structure Analytical and...

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Analytical and Computer Cartography Lecture 7: Spatial Data Structures for Mapping What is a Map Data Structure? z Map data structures store the information about location, scale, dimension, and other geographic properties, using the primitive spatial data structures (zero-, one-, and two-dimensional objects), or more complex objects such as arrays z Minimum requirement for computer mapping systems z The purpose is to support computer cartography, and NOT necessarily analytical cartography. z A Map data structure plus an attribute data structure is the minimum requirement for the additional analytical functions in Analytical Cartography, and GISystems. Map Data Structures are largely Input- Determined Output constraints on Map Data Structures ?
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