Definition of a Cornu Spiral

A detailed tutorial on Cornu spirals. Step by step tutorial including a visual example of a Cornu spiral for reference.

The Cornu spiral is also known as a Euler spiral and clothoid. It is generated as a straight line that branches out, and then turns up on one end and down on the other, both spiraling into tight curls. It is formed by a parametric plot of S(t) against C(t). They are very closely linking to Fresnal integrals and have been sometimes thought of as a solution.

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