# tangent_indicatrix.cpp File Reference

Write the tangent indicatrix of a given (open or closed) curve to a PKF file. Tangents for the tangent indicatrix are interpolated, therefore strange points like cusps would not be visible! The default is for an open curve, for closed curves put the -closed switch.

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## Detailed Description

Write the tangent indicatrix of a given (open or closed) curve to a PKF file. Tangents for the tangent indicatrix are interpolated, therefore strange points like cusps would not be visible! The default is for an open curve, for closed curves put the -closed switch.