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Georeferencing Historical Aerial Photography in ArcGIS 10.1 – Viral Trends

Georeferencing Historical Aerial Photography in ArcGIS 10.1




Georeferencing Historical Aerial Photography in ArcGIS 10.1. In this video I take historical imagery from the City of Austin and Georeference it using the built-in Basemap and Georeferencing Toolbar in ArcMap 10.1

http://southwesterngis.blogspot.com/

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Comments 24

  1. Actually the corner of buildings will be less accurate. Objects that extrude from the surface will appear slanted, this is due to the angle of the line of sight between the object and lens. Things close to the surface of the Earth are the best, because their positions will not be distorted. The further from the lens the more distorted the image. Sometimes the building will slant one way in one image and another in a different, introducing even more error. All depends where the lens was.

  2. Yeah, I bushed over it because I am not a big fan of the scale tool. I prefer to use the "Fit to Display" and then use the pan tool to place the photo in place. The scale tool basically allows you to shrink or expand the image. It is a little clunky to use and can slow you down. What is better is to know the scale the image was before scanning, and then manual type the scale into the display scale, and then do fit to display. So for example if you have a 1:24k image just set the scale to 24k

  3. Great video!! However you only brushed over the scale tool. Do you know how to use this? I am currently trying to georeference two rasters that are very different sizes and cannot get it to work. Thanks!

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