Orthophotos are generated from overlapping vertical aerial photographs and processed to remove perspective and the effect of the terrain.

Orthophoto process geometrically “corrects” a vertical aerial photograph into the equivalent of a traditional map. It retains the advantages of a photograph, visually displaying actual cultural and land features, rather than representing those features using symbols and lines.

In other words it is a virtual photograph as if taken from an infinite distance, looking straight down.

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