Using Sage to design graphics:  Minard's Napoleon graphic

Sage's Napoleon Graphic

(Figure generated by SAGE.)

This picture, generated with the SAGE system, uses most of the same techniques as the original by Minard. The flexibility of SAGE's graphic design environment enabled the use of color to express temperature during marches between cities, emphasizing the relation between quantities and locations more directly.

The use of color clearly shows the heat wave during the advance and the steady decline in temperature through the retreat. The exception, a spell of temperatures above freezing, is clearly visible when the retreating army is between the cities of Krasnyj and Bobr.

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