http://www.cyber-wit.com/images/gallery/histogram1_b.pngA histogram represents information in tabular frequencies. In this example there are adjacent rectangles, which represent frequencies over an interval.
http://www.cyber-wit.com/images/gallery/histogram1_b.png



Infrared Aerial Photos can show differences in land coverings. The one above is of Delta National Park. It can be used as a tool, to show changes in the environment, damaged structures, the health of the environment, and muchmore.