GIS Lecture: Geodatabases and Aerial Photography

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Presentation transcript:

GIS Lecture: Geodatabases and Aerial Photography

Outline ArcCatalog Functions Geodatabases Aerial Photography

ArcCatalog Functions

ArcCatalog Open ArcCatalog

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

View and edit properties Projections, fields, etc.

View & edit metadata

Create new files Geodatabases, shapefiles, tables, etc.

Geodatabases

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

Creating New Data

Import Data Into Geodatabase Shapefiles, Excel tables, aerial photos

Export Data From Geodatabase

Aerial Photography

Orthophotography Digital imagery in which distortion from the camera angle and topography have been removed, thus equalizing the distances represented on the image This is a clipped portion of the SE quadrant of Lombard, IL. Projection: UTM (16N), NAD83 Source date: 17-APR-98

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

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

Summary ArcCatalog Functions Geodatabases Aerial Photography