COMMANDS TO DESCRIBE CONTENTS OF LAYERS

COMMANDS TO DESCRIBE CONTENTS OF LAYERS - o e.g. largest,...

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COMMANDS TO DESCRIBE CONTENTS OF LAYERS it is important to have ways of describing a layer's contents o particularly new layers created by GIS operations o particularly in generating results of analysis One layer generate statistics on a layer o e.g. mean, median, most common value, other statistics More than one layer compare two maps statistically o e.g. is pattern on one map related to pattern on the other? o e.g. chi-square test, regression, analysis of variance Zones on one layer generate statistics for the zones on a layer
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Unformatted text preview: o e.g. largest, smallest, number, mean area ESSENTIAL HOUSEKEEPING list available layers input, copy, rename layers import and export layers to and from other systems o other raster GIS o input of images from remote sensing system o other types of GIS identify resolution, orientation "resample" o changing cell size, orientation, portion of raster to analyze change colors provide help to the user exit from the GIS (the most important command of all!)...
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This note was uploaded on 12/04/2011 for the course GEB 1011 taught by Professor Staff during the Fall '08 term at Broward College.

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