## CONTOURLINE

### 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.

*The above text is a snippet from Wikipedia: Contour line*

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### contour line

#### Noun

*The above text is a snippet from Wiktionary: contour line*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.