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Advanced GIS Exam 1 Study Guide Solutions Geographic data model - ANSWER-structure for organizing geospatial data Object Class - ANSWER-collection of objects in tabular format Feature Class - ANSWER-collection of Geographic Objects in tabular format that have the same behavior and attributes an...

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  • November 10, 2024
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  • 2024/2025
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Advanced GIS Exam 1 Study Guide Solutions


Geographic data model - ANSWER✔✔-structure for organizing geospatial data


Object Class - ANSWER✔✔-collection of objects in tabular format


Feature Class - ANSWER✔✔-collection of Geographic Objects in tabular format that have the same

behavior and attributes and geometry


relationship - ANSWER✔✔-association between two objects in a database


network - ANSWER✔✔-set of edges and junctions that are topologically connected


edge - ANSWER✔✔-lines that end in junctions


junction - ANSWER✔✔-points that are the ends of edges


GIS - ANSWER✔✔-Geographic Information Systems


the person, the data, the software


georeferencing - ANSWER✔✔-placing a raster on in a map document by anchoring it to the map using

real life coordinates


coverage - ANSWER✔✔-type of storage for GIS data. complex, store in information tables, stored

partially in its own folder and an info folder, and stores common boundaries.


shapefile - ANSWER✔✔-type of storage for GIS data. simple, .dbf files, stored in 3-5 files and stores full

geometry




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.shp, .dbf, .shx


types of databases - ANSWER✔✔-personal, workshop, enterprise


geodatabase - ANSWER✔✔-relational database that stores geographic information


feature dataset - ANSWER✔✔-collection of feature classes that share the same spatial reference frame


file types (7) - ANSWER✔✔-workspace, geodatabase, feature dataset, feature class, geometric network,

relationship, object case


catalog - ANSWER✔✔-previews, view data, meta data, tables


floating point - ANSWER✔✔-part of raster - continuous data


cell value assignment methods - ANSWER✔✔-predominant type, center of cell, weighted features


topology - ANSWER✔✔-the way geographical features are related to one another


digital ortho quads - ANSWER✔✔-aerial photos with all spatial error corrected


UTM - ANSWER✔✔-advantages: area preserved


disadvantages: different origins, not global


conic - ANSWER✔✔-advantages: small areas


disadvantages: not good for large areas


spheroid - ANSWER✔✔-estimation of earth's surface


datum - ANSWER✔✔-localized coordinate system (build on top of a spheroid)




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