contour


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contour

or

contour line,

line on a topographic map connecting points of equal elevation above or below mean sea level. It is thus a kind of isopleth, or line of equal quantity. Contour lines are drawn on maps with a uniform interval of vertical distance separating them (usually 10, 20, 50, or 100 ft on American maps) and thus outline the landform configuration, or relief. They may be visualized as representing shorelines if sea level were raised in small increments. Thus the tops of hills, which would appear as separate islands, are shown as a series of closed circular contours; valleys, which would appear as elongate bays, are shown as contour lines converging toward a point at the head of the valley. Since on steep slopes there is little horizontal distance between points greatly different in height, contour lines indicating such terrain are close together; contour lines of gentle slopes are more widely separated. Maps employing contour lines are called contour, or relief, maps although they are popularly called topographic maps (see topographytopography
, description or representation of the features and configuration of land surfaces. Topographic maps use symbols and coloring, with particular attention given to the shape and elevations of terrain.
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) in the United States. Certain conventions are employed on these maps to assist the user. Contours indicating land elevations are printed in brown with every fifth contour drawn thicker and labeled with its elevation; those indicating depths of bodies of water are printed in blue. Hachure lines, pointing downslope, are attached to contour lines in order to emphasize a depression with a steep gradient. In the past, contour maps were made from ground surveys. Today they are constructed from stereographic aerial photographs and orbiting satellites, which use radar to measure elevations for land or ocean relief maps. In an analogous way, contour lines are also commonly used to map properties other than elevation; meteorologists, for example, employ contour lines, or isobars, to delineate areas of equal barometric pressures.

CONTOUR

(kon -toor) A NASA mission to be launched in July 2002 to study at least three comets: Encke (2003), Schwassmann–Wachmann-3 (2006), and d'Arrest (2008). The mission is designed so that it could be retargeted to intercept other unforseen comets.

contour

[′kän‚tu̇r]
(mapping)
(physics)
A curve drawn up on a two-dimensional diagram through points which satisfy f (x,y) = c, where c is a constant and f is some function, such as the field strength for a transmitter.
(science and technology)
The periphery of a figure or body.

contour

contour
i. Lines on a map joining places of equal height above a selected datum level. They are drawn at a suitable interval, and the greater the bunching, the steeper the slope. The highest point is shown as a spot height.
ii. A line on a radarscope that shows the areas of equal radar echo intensity.
References in periodicals archive ?
Developed in collaboration with Emmy Award-nominated Jeffrey Alan Schechter, Contour is a proven story development system that streamlines the process of turning movie ideas from first glimmer to full outline.
Contour Seating works closely with the world's leading airlines to design and develop bespoke premium seating to create competitive advantage and strongly differentiate an airline from its competitor.
Once Encompass is installed, users may leverage the Contour Migration Wizard to easily import their settings, information and data, including loan files, custom field settings, loan templates, loan programs, custom letters, tracking settings, document settings and vendor databases.
To design a power amplifier, it is necessary to use these power contours to design an output matching network such that the load presented to the FET lies within the contour that produces the desired output power level.
Our new introductions, in addition to the original Contour Pillow and Deluxe Mattress Pad, include an opening price point Contour One-Piece Pillow and Mattress Pad, the orthopedic Contour Seat Cushion, the Contour Travel Pillow and the Adjustable Pillow.
Notice that the lexical contour associated with the LET body is drawn as a hollow arrow rather than a solid arrow.
This balance has become more important than ever to ATM owners and financial service providers as security compliance standards such as PCI are being enhanced," said Marc Winn, President of Contour Networks.
The combined organisation brings together assets of Contour, a pioneer in the point-of-view camera industry that holds patents and has a strong international brand, with those of iON Cameras, which brings expertise in engineering and manufacturing, a line of wireless and wearable cameras, and North American retail distribution.
Contour "will not be able to stay in business without the loan" from CM Medical, the filing said.
Just 2 weeks ago, the CONTOUR probe, launched July 3, was beginning its journey to two comets, one of which had broken into pieces.
Figures 17 and 18 show deformed mesh along with the undetormed contour of the button.
By outsourcing to Contour, mortgage originators can offer borrowers the same advantages as a full-service mortgage company without the overhead, and at a lower cost," said Scott Cooley, president of Contour Software.