Talk:Viewshed

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incorrect definition

A viewshed is the area of land (to the horizon) that can be seen from a high point. —Preceding unsigned comment added by 68.180.38.25 (talk) 07:21, 28 February 2010 (UTC)[reply]

I intend to add a redirect from "view shed" (two words) to the existing page.

Multiple sources express "viewshed" as two words, "view shed." See examples below.

(I acknowledge that "viewshed" is the preferred spelling these days, but we should provide easy linkage for the alternate spelling.)

Commercial products and public documents:

View Shed Tool, a feature in Global Mapper software from Blue Marble Geographics. Note multiple uses of "view shed" in this commercial application.
Microwave LOS & View Shed Analysis, a feature from analytics company Digital Twin Sim.
US24 Design Guidelines Appendix 37, a 2009 pdf document from the Colorado Department of Transportation. The entire document uses two word "view shed."
View Shed library 1.0, a software library from U.S. government agency OSTI, released in 2014. "The View Shed library is a collection of Umbra modules that are used to calculate areas of visual coverage (view sheds)."

Additionally, two-word "view shed" is in five existing Wikipedia articles: