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 ?
SEVEN SUPER-SCULPTORS THESE ready-made contouring kits should help to make the process of face honing a real cinch.
The second study, an independent clinical trial showing the efficacy of multiple treatments with the UltraShape Contour I, published in Lasers in Surgery and Medicine, "Body Contouring by Non-Invasive Transdermal Focused Ultrasound," Moreno-Moraga, et al.
There is an increasing demand for non-invasive fat reduction and body contouring, and UltraShape offers a safe, effective option without downtime or required maintenance treatments.
Published clinical results in a prestigious journal like Plastic and Reconstructive Surgery further validate the promise of UltraShape for non-invasive fat cell lysis and body contouring using its unique focused ultrasound technology," said Jeffery M.
The UltraShape[TM] CONTOUR I system, based on patented focused ultrasound technology, is the first clinically proven non-invasive body contouring solution for both men and women.
Sunday, April 22, 2007 - Ancillary Light, Radiofrequency, Ultrasound, and Wire-Release Procedures in Your Practice: "Introduction and Review of Clinical Studies to Date of Non-Invasive Body Contouring using UltraShape" By: Gordon Sasaki, M.
The UltraShape CONTOUR I, the first clinically proven non-invasive body contouring solution, received the CE Mark in June 2005 and is currently distributed in 45 countries outside the United States.
Michael Berman, Chairman of the Board, stated, "With his vast experience growing and managing well-established medical device companies, Stewart will be able to steer UltraShape to its natural position as market leader in the field of non-invasive body contouring.
Inglefield is a leading plastic and reconstructive surgeon in the United Kingdom specializing in facial aesthetics and breast and body contouring, and he is a Member of the Royal College of Surgeons, the British Association of Plastic Surgeons, British Burn Association, British Microsurgical Society, British Association of Surgical Oncology and the Royal Society of Medicine.
According to statistics just released by the American Society for Aesthetic Plastic Surgery, body contouring procedures made huge gains from 2002.
Other important developments include the integration of the Emory Cardiac Toolbox for cardiac studies and RTist to enable radiation oncologists to consider fused images for when contouring for treatment planning.
The REVEAL-MVS/RTist combination provides the ability to contour on fused images using highly automated contouring and quantification tools.