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Contour drawing is an art technique that involves drawing lines to create an outline of the subject. Learn about its importance, technique, styles and practice in this article.
A contour line is a curve that connects points of equal value of a function or a parameter, such as elevation, depth or slope. Learn about the origin, usage and variations of contour lines in cartography, meteorology, geomagnetics and other fields.
A topographic map is a type of map that shows detailed relief features, usually using contour lines, and both natural and artificial features. Learn about the origin, evolution and applications of topographic maps, as well as the conventions and symbols used to create them.
Relief mapping is the depiction of the shape of the surface of the Earth on a map, using various techniques such as contour lines, shaded relief, and hypsometric tints. Learn about the history, advantages, and limitations of different relief mapping methods from this Wikipedia article.
Learn about the seven common elements of art, such as line, shape, color, and space, and how they are used to communicate and create visual effects. Explore the types, properties, and examples of each element, as well as the related concepts of mark making and materiality.
Learn how map symbols are used to visually represent real-world features on maps, and how they are classified by shape, size, color, and other graphic variables. Conventional symbols are those that have no intuitive connection but are commonly used, such as a red line for a highway or a Swiss cross for a hospital.
Learn about the history, principles, and types of cartographic design, the process of crafting the appearance of a map. Explore how design, geography, and geographic information science integrate to create maps with aesthetic appeal and practical function.
A plot is a graphical technique for representing a data set, usually as a graph showing the relationship between two or more variables. Learn about different types of plots, such as scatterplots, box plots, contour plots, and how they are used in statistics, data analysis, and other fields.