chart


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chart,

term referring to mapsmap,
conventionalized representation of spatial phenomena on a plane surface. Unlike photographs, maps are selective and may be prepared to show various quantitative and qualitative facts, including boundaries, physical features, patterns, and distribution.
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 prepared for marine navigation and for air navigation. All charts show, in some convenient scalescale,
in cartography, the ratio of the distance between two points on a map to the real distance between the two corresponding points portrayed. The scale may be expressed in three ways: numerically, as a ratio or a fraction, e.g., 1:100,000 or 1-100,000; verbally, e.g.
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, geographic features useful to the navigator, as well as indications of direction, e.g., true north (the direction of the geographic North Pole), magnetic north (the direction indicated by the north-seeking end of a magnetic compass needle), and magnetic declination (the difference between these two directions). Data shown on marine charts include the outline and nature of coasts, with landmarks; currents and undercurrents (both direction and force); winds; tides; location and type of lighthouses, buoys, beacons, and lightships; position of rocks, bars, reefs, shoals, wrecks, or other dangers; contour and nature of bottom (mud, sand, rock, or gravel); and depth. Depth is indicated in great detail in harbors and shallow and intricate waterways; the value indicated is usually that at mean low water. Most national governments publish charts of their coasts and harbors; the British admiralty has done the most work along these lines. In the United States the Coast and Geodetic Survey and the Hydrographic Office of the Dept. of the Navy issue charts; these are drawn using the gnomonic or Mercator map projectionsmap projection,
transfer of the features of the surface of the earth or another spherical body onto a flat sheet of paper. Only a globe can represent accurately the shape, orientation, and relative area of the earth's surface features; any projection produces distortion with
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. Aeronautical charts show natural or constructed surface features by the use of various symbols. These charts give locations of radio-navigation stations and graphic representations of the directional information they broadcast; radio communication channels of airports and spacecraft centers; standard flight paths; and dangerous or forbidden areas (e.g., certain military installations). Elevations on the earth's surface are indicated by contour lines. The U.S. Coast and Geodetic Survey issues many kinds of aeronautical charts.

chart

[chärt]
(mapping)
A map, generally designed for navigation or other particular purposes, in which essential map information is combined with various other data critical to the intended use.
To prepare a chart or to engage in a charting operation.
(mathematics)
An n-chart is a pair (U, h), where U is an open set of a topological space and h is a homeomorphism of U onto an open subset of n-dimensional Euclidean space.
(science and technology)
A form, such as a graph, table, or diagram, which gives information about some variable quantity.

chart

A map representing a given surface of the earth and specially designed for sea or air navigation. Aeronautical charts, in which only coastlines, some contours, water, woods, and some aeronautical information (including air routes and airfields) are shown, are the most commonly used. (see page 144)

chart

1. a map designed to aid navigation by sea or air
2. an outline map, esp one on which weather information is plotted
3. a sheet giving graphical, tabular, or diagrammatical information
4. another name for graph
5. Astrology another word for horoscope
References in periodicals archive ?
The default placement of the legend is to the right of the chart.
To place the finished chart on the same worksheet as the data, simply click on Finish.
Draw the engineering specification lines on the chart and then draw the statistical control limits on it.
At the bottom you see a chart which shows that the data falls within a narrow range (narrow enough that you can be pretty sure that you have the process under control), but in the wrong place.
Excel doesn't offer a Gantt as a chart option, but you can produce one anyway--as we have in exhibit 2, below--by using a stacked bar chart.
Create a stacked horizontal bar chart from the data in range A4:C15.
Standard control charts are effective in analyzing continuous processes such as extrusion, or those that produce a single part at a time, such as injection molding with a single cavity.
The solid average line in the R chart is positioned at [R bar], the average of the sample range values.
The SPC package allows users to monitor and control processes in real time, while GainSeeker Scrap Reduction analyzes quality-related statistical data with multi-level Pareto charts, for instance.