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Marching Squares Algorithm for Conture
The Marching Squares algorithm is a computer graphics algorithm introduced in the 1980s that can be used for contouring. We can use the Marching Squares algorithm to draw the lines of constant:

altitude on a topographical map temperature on a temperature heat map pressure on a contour map for a pressure field ——— https://www.baeldung.com/cs/marching-squares https://de.wikipedia.org/wiki/Marching_Squares

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