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Terrain (from Latin: terra 'earth'), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientation of terrain features. Terrain affects surface water flow and distribution.
Sergeant Chris D. Washington checking his Topographic map during a morning deer hunt in Kilgore, Texas A topographic map of Stowe, Vermont with contour lines Part of the same map in a perspective shaded relief view illustrating how the contour lines follow the terrain Sheet #535 (2013 version; second digital edition) of MTN50 Spanish National Topographic map series, covering Algete town (near ...
Upright=1.3STL 3D model of Penang Island terrain based on ASTER Global DEM data. Terrain rendering covers a variety of methods of depicting real-world or imaginary world surfaces. Most common terrain rendering is the depiction of Earth's surface. It is used in various applications to give an observer a frame of reference.
It is evident that, thanks to computer science, more sophisticated three-dimensional models of the landscape can be made from digital terrain data. The line of the plane defined by the points that limit the profile is called the guideline and the horizontal line of comparison on which the profile is constructed is called base. [2]
Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills , mountains , canyons , and valleys , as well as shoreline features such as bays , peninsulas , and seas , [ 3 ] including submerged features such as mid-ocean ridges , volcanoes , and the great oceanic basins .
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This page is part of the Military history WikiProject's online Academy, and contains instructions, recommendations, or suggestions for editors working on military history articles. While it is not one of the project's formal guidelines , editors are encouraged to consider the advice presented here in the course of their editing work.
In his 1964 book Understanding Media, philosopher Marshall McLuhan argued that all media representations, including electronic media, are abstractions or "extensions" of reality. [ 8 ] The idea has influenced a number of modern works, including Robert M. Pirsig 's Lila: An Inquiry into Morals and Michel Houellebecq 's novel The Map and the ...