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Please submit your homework to Wednesday’s section.

This lab explores the capabilities and components of geodatabases, including feature classes, datasets, tables, rasters, relationship classes, topology, and geometric networks. Learn how to design a geodatabase using UML diagrams and complete exercise I.

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Please submit your homework to Wednesday’s section.

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  1. Please submit your homework to Wednesday’s section.

  2. Please use the standard file name for your homework. • FirstName_LastName_LabNO.doc • Please export maps as PNG, JPG, TIF or other picture format.

  3. Lab 3: Geodatabase design & population (1) YingjieHu

  4. Purposes • Geodatabase and its capabilities • Designing a geodatabase

  5. Components in Geodatabase • Feature class • A group of features (points, lines, and polygons) • Feature dataset • Related feature classes in the same coordinate system • Tables • No spatial information

  6. Components in Geodatabase • Rasters • Images, DEM • Raster dataset • One or more adjacent images in the same format • Raster catalog • A collection of images which can have different formats

  7. Components in Geodatabase • Relationship classes • The connection between features (parcels and landowners) • Topology • Constraints on spatial relationships • Geometric Network • Define the interconnections in network feature classes

  8. Components in Geodatabase

  9. Components in Geodatabase

  10. Notes

  11. Notes • UML • Free open source software (e.g., StarUML) • MS Visio (free trial for 60 days) • MS Word

  12. Notes • UML • Draw the UML diagram based on your database

  13. Assignment • Complete exercise I. • This is the first part of a two-week lab, so you don’t need to turn in your homework next week.

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