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Lab 3: Geodatabase design & population (2)

Lab 3: Geodatabase design & population (2). Yingjie Hu. Purpose. Populating a geodatabase (fill it with data). What to do. Georeferencing an image An image without coordinate information is placed at (0,0) as default. What to do. Georeferencing an image 1. Define the coordinate system

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Lab 3: Geodatabase design & population (2)

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  1. Lab 3: Geodatabase design & population (2) YingjieHu

  2. Purpose • Populating a geodatabase (fill it with data)

  3. What to do • Georeferencing an image • An image without coordinate information is placed at (0,0) as default

  4. What to do • Georeferencing an image 1. Define the coordinate system 2. Move the image to its correct location.

  5. What to do • Digitizing • Use “Editor” toolbar

  6. Notes • Question 6– validation • You will get a “successful” result if you did not define the rules in the relationship class (Software issue). • Solution A: Guess what will happen if you have defined the relation rules, and explain the reason. • Solution B: Define subtypes (manually) and then establish relation rules.

  7. Notes • About the Map (9 points) • 2 points – map elements (scale bar, north arrow…) • 4 points -- map content. Make sure that different symbols are used for the various feature types, and that they are in fact the correct feature types. (e.g. Main pipes can only run down the middle of streets) • 3 points – data source and coordinate information.

  8. Assignment • Complete lab 3. • The question sheet, with typed answers • One UML diagram of the geodatabase • One map of the neighborhood pipe network • Due date: Next Wednesday (Feb. 15th)

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