Transcription of CHAPTER 4 RASTER DATA MODEL
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1 CHAPTER 4 RASTER data Elements of the RASTER data Cell Cell SizeBox in Determining a Categorical Cell RASTER Spatial Types of RASTER Satellite USGS Digital Elevation Models (DEMs)Box Slivers in Non USGS Global Digital Bi-Level Scanned Digital RASTER Graphics (DRGs) Graphic GIS Software-Specific RASTER DataCopyright The McGraw-Hill Companies, Inc. Permission required for reproduction or RASTER data Cell-by-Cell Run Length Quad Header FileBox Header File RASTER data CompressionBox Simple Wavelet Example: The Haar data Conversion and Integration of RASTER and Vector DataBox Vector data with Digital EarthKey Concepts and TermsReview QuestionsApplications: RASTER data ModelTask 1: View USGS DEM DataTask 2: View a Satellite Image in ArcMapTask 3: Convert Vector data to RASTER DataChallenge QuestionReferences2 RASTER data ModelzA RASTER represents a continuous surface, but for data storage and analysis, a RASTER is divided into rows, columns, and cells.
Raster Data Model zA raster represents a continuous surface, but for data storage and analysis, a raster is divided into rows, columns, and cells. zRaster data represent points by single cells, lines by sequences of neighboring cells, and areas by collections of contiguous cells. Figure 4.1 A continuous elevation raster with darker shades for
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