9.4 Snowflakes, Lindenmayer, and Grammars

It is said that no two snowflakes are exactly alike. Snowflakes are another item in nature that can be reproduced by using fractal techniques. The photo in FIGURE 9.7 shows a snowflake. The snowflake in FIGURE 9.8 was produced using the Koch curve, a fractal algorithm developed by Helge von Koch in 1904.

A photograph of a snowflake is shown.

FIGURE 9.7 Photo of a snowflake.

Wilson Bentley. Courtesy of National Oceanic and Atmospheric Administration/Department of Commerce.

A window titled Python Turtle Graphic shows a snowflake produced using a fractal algorithm.

FIGURE 9.8 A snowflake produced using a fractal algorithm developed ...

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