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GIS Lecture: Geodatabases and Aerial Photography

This lecture provides an outline of GIS concepts, focusing on ArcCatalog functions, geodatabases, and aerial photography. Topics covered include basic ArcCatalog functions, managing properties and metadata, creating new files, importing and exporting data, georeferencing scanned paper documents, and using orthophotography for accurate representation of distances.

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GIS Lecture: Geodatabases and Aerial Photography

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  1. GIS Lecture: Geodatabases and Aerial Photography

  2. Outline • ArcCatalog Functions • Geodatabases • Aerial Photography

  3. ArcCatalog Functions

  4. ArcCatalog • Open ArcCatalog

  5. ArcCatalog basic functions • Copy, paste, rename, etc. • View and edit properties • View and edit metadata • Create new files

  6. View and edit properties • Projections, fields, etc.

  7. View & edit metadata

  8. Create new files • Geodatabases, shapefiles, tables, etc.

  9. Geodatabases

  10. Geodatabases • Manage features, tables, images inside a database management system (DBMS)

  11. Creating New Data

  12. Import Data Into Geodatabase • Shapefiles, Excel tables, aerial photos

  13. Export Data From Geodatabase

  14. Aerial Photography

  15. Orthophotography • Digital imagery in which distortion from the camera angle and topography have been removed, thus equalizing the distances represented on the image

  16. Scanned Paper Documents • Paper (historic) maps • Scanned maps and raster images • Need to be georeferenced • Convert to vector features

  17. Georeferencing • overlay the raster on vector layer(s) • identify common locations • Georeferencing toolbar • add control points • fits your raster to its proper location!

  18. Summary • ArcCatalog Functions • Geodatabases • Aerial Photography

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