pit A point around which all slopes are positive (i.e., upward).
pixel A contraction of the words picture element. The smallest unit of information in an image or raster map. Referred to as a cell in an image or grid.
open pit mining Surficial mining, in which the valuable rock is exposed by removal of overlying rock or soil.
pit
A depression in the earth's surface. Referenced by: Bit; Automatic Deformation Monitoring System; Hydrology; Orienteering map; Dead reckoning; Automatic vehicle location.
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the pit can be "flooded" to form a "lake" by the following process: ...
Open-pit mining (also called open-cut, open-cast, and strip mining) has historically been an early and innovative adopter of new positioning technologies. Some of the earliest examples of fitting GPS to heavy earth-moving machinery occurred in the U.
A looter's pit on the morning following its excavation, taken at Rontoy, Huaura Valley, Peru in June 2007. Several small holes left by looters' prospecting probes can be seen, as well as their footprints.
The DEMON algorithm generates flow in each pixel (source pixel) and follows it down a stream tube until the edge of the DEM or a pit is encountered.
Some view GIS as a money pit draining the life-blood from traditional programs. It appears as an insatiable beast-like the plant's constant cry of "MORE! ...
For small areas, such as subdivisions or even an open-pit mine, usually only one control system, (corresponding to the secondary control described above), would be needed.
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Important notices ...
However, with tension set too high the resulting surface changes its behavior to a membrane (rubber sheet stretched over the data points resulting in a peak or pit in each given point and everywhere else the surface goes rapidly to trend).
Silo:
Usually a tall, cylindrical structure in which fodder (animal feed) is stored; may be a pit dug for the same purpose.
Sinkhole:
Crater formed when the roof of a cavern collapses; usually found in areas of limestone rock.
Elevations, given in an AutoCAD DXF (Drawing eXchange File) as 3D contour lines,
Land cover (CORINE), given in ESRI Shape file
As, Zn, etc. measurements at sample points as an ascii file
location of pit-heaps ...
 See also: Information, Area, Feature, Cover, Surface
  
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