Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 08 - Aufgabe 1 - Contour Plot/Map: Difference between revisions
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[[image:Contour_map.png|thumb|A contour map with contour lines.]] | [[image:Contour_map.png|thumb|A contour map with contour lines.]] | ||
A '''contour plot''' (also '''contour map''') is a graphic representation of the relationships among three numeric variables in two dimensions. Two variables are for X and Y axes, and a third variable Z is for contour levels. The contour levels are plotted as curves; the area between curves can be color coded to indicate interpolated values. <ref name="SAS"> | A '''contour plot''' (also '''contour map''') is a graphic representation of the relationships among three numeric variables in two dimensions. Two variables are for X and Y axes, and a third variable Z is for contour levels. The contour levels are plotted as curves; the area between curves can be color coded to indicate interpolated values. <ref name="SAS">SAS OnlineDoc, SAS. Retrieved at: October 29, 2008. [http://support.sas.com/onlinedoc/913/getDoc/de/sgug.hlp/ctr_index.htm http://support.sas.com/onlinedoc/913/getDoc/de/sgug.hlp/ctr_index.htm]</ref> | ||
==Types of contour plots== | ==Types of contour plots<ref name="Wiki">Contour line, Wikipedia. Retrieved at: October 30, 2008. [http://en.wikipedia.org/wiki/Contour_map http://en.wikipedia.org/wiki/Contour_map]</ref>== | ||
===Meteorology | ===Meteorology=== | ||
[[image:Weather_map.jpg|thumb|The map shows the analysis of the weather condition. The isobars represent lines of constant barometric pressure.]] | [[image:Weather_map.jpg|thumb|The map shows the analysis of the weather condition. The isobars represent lines of constant barometric pressure.]] | ||
Revision as of 12:07, 30 October 2008
A contour plot (also contour map) is a graphic representation of the relationships among three numeric variables in two dimensions. Two variables are for X and Y axes, and a third variable Z is for contour levels. The contour levels are plotted as curves; the area between curves can be color coded to indicate interpolated values. [1]
Types of contour plots[2]
Meteorology
Physical geography and oceanography
Thermodynamics, engineering, and other sciences
References
- ↑ SAS OnlineDoc, SAS. Retrieved at: October 29, 2008. http://support.sas.com/onlinedoc/913/getDoc/de/sgug.hlp/ctr_index.htm
- ↑ Contour line, Wikipedia. Retrieved at: October 30, 2008. http://en.wikipedia.org/wiki/Contour_map