| 释义 |
viewshed, n. orig. and chiefly U.S.
Brit. |ˈvjuːshɛd|, U.S. |ˈvjuˌshɛd|
[‹ view n. + shed n.1]
The view of an area from a specific vantage point; a computer model of this. Also: the area that comprises this view.
1972Oakland (Calif.) Tribune 23 Nov. f35/6 Crutcher, chief of the district's planning section, said the proposed new single family residential units would damage the Garin park ‘viewshed’. 1992R. E. Grumbine Ghost Bears v. 142 In the national forests that surround many of the parks, we are sheltered from the rape of the woods by carefully planned ‘viewsheds’. 1994National Parks Sept. 28/3 Still undecided is the fate of 150 acres on the other side of the parkway, property that is also considered to be a critical viewshed. 2003R. Tomlinson Thinking About GIS 263 Generating a viewshed involves manipulating a digital elevation model (DEM) to identify areas of the terrain which are visible from one or more viewpoints. |