What does contour line mean?

Definitions for contour line
con·tour line

This dictionary definitions page includes all the possible meanings, example usage and translations of the word contour line.

Princeton's WordNet

  1. contour, contour linenoun

    a line drawn on a map connecting points of equal height

Wiktionary

  1. contour linenoun

    A line on a map through points of equal elevation, often height above sea level.

Wikipedia

  1. Contour line

    A contour line (also isoline, isopleth, or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. It is a plane section of the three-dimensional graph of the function f ( x , y ) {\displaystyle f(x,y)} parallel to the ( x , y ) {\displaystyle (x,y)} -plane. More generally, a contour line for a function of two variables is a curve connecting points where the function has the same particular value.In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes. The contour interval of a contour map is the difference in elevation between successive contour lines.The gradient of the function is always perpendicular to the contour lines. When the lines are close together the magnitude of the gradient is large: the variation is steep. A level set is a generalization of a contour line for functions of any number of variables. Contour lines are curved, straight or a mixture of both lines on a map describing the intersection of a real or hypothetical surface with one or more horizontal planes. The configuration of these contours allows map readers to infer the relative gradient of a parameter and estimate that parameter at specific places. Contour lines may be either traced on a visible three-dimensional model of the surface, as when a photogrammetrist viewing a stereo-model plots elevation contours, or interpolated from the estimated surface elevations, as when a computer program threads contours through a network of observation points of area centroids. In the latter case, the method of interpolation affects the reliability of individual isolines and their portrayal of slope, pits and peaks.

ChatGPT

  1. contour line

    A contour line, in the context of 2-dimensional graphic representations such as maps or diagrams, refers to a line that connects points of equal value, such as elevation, temperature, pressure, etc. It is primarily used in topographic maps to indicate elevation and to show the shape of the land. In the field of art, a contour line defines the outline of an object or a form within it, showcasing its shape and depth.

Wikidata

  1. Contour line

    A contour line of a function of two variables is a curve along which the function has a constant value. In cartography, a contour line joins points of equal elevation above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness of slopes. The contour interval of a contour map is the difference in elevation between successive contour lines. More generally, a contour line for a function of two variables is a curve connecting points where the function has the same particular value. The gradient of the function is always perpendicular to the contour lines. When the lines are close together the magnitude of the gradient is large: the variation is steep. A level set is a generalization of a contour line for functions of any number of variables. Contour lines are curved or straight lines on a map describing the intersection of a real or hypothetical surface with one or more horizontal planes. The configuration of these contours allows map readers to infer relative gradient of a parameter and estimate that parameter at specific places. Contour lines may be either traced on a visible three-dimensional model of the surface, as when a photogrammetrist viewing a stereo-model plots elevation contours, or interpolated from estimated surface elevations, as when a computer program threads contours through a network of observation points of area centroids. In the latter case, the method of interpolation affects the reliability of individual isolines and their portrayal of slope, pits and peaks.

Dictionary of Military and Associated Terms

  1. contour line

    A line on a map or chart connecting points of equal elevation.

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Numerology

  1. Chaldean Numerology

    The numerical value of contour line in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of contour line in Pythagorean Numerology is: 2


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"contour line." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/contour+line>.

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