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projection - answermethod used to depict curved surface of the earth on a flat map raster - answerdata model using grids or cells latitude - answerreference lines oriented parallel to the equator Y northing vector - answerdata model using point, line, and polygon features datum - answera frame of reference for measuring locations on the surface of the earth mxd - answerfile format for saving your maps in ArcMap select - answer..... by location is a method to produce a spatial query longitude - answerreference lines on the globe including prime meridian X easting shape - answerone of four map properties distorted by a projection metadata - answerdata about data cartography - answerart and science of making maps polygon - answerfeature type that includes shapes with area, perimeter natural - answerdefault numeric classification method for quantitative legends in ArcGIS legend - answerreference on a map describing map symbols scale - answer1:24,000; 1:100,000 etc. point - answerfeature type that represents features with X,Y location only elevation - answerthe "E" in DEM buffer - answera zone around a map feature, used for proximity analysis label - answertext on a map that identifies a map feature GIS - answerA computer-based system to aid in the collection, maintenance, storage, analysis, output, and distribution of spatial data and information advances - answerSatellites, GPS receivers, advances in computers five functions - answercapture, store, query, analyze, display capture - answercreating or obtaining digital datasets storing - answerspatial features, linked to descriptive information query - answeranswering questions limitations - answer-need for frequent updates -expensive -organization features - answerused to represent real-world entities within GIS using a data model of reality coordinates - answerdefine location and extent of features vector data format - answerdiscrete representation of features using points, lines and polygons points - answerX, Y coordinate location only lines - answerX, Y coordinates of vertices polygons - answerhave area, perimeter
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