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2.3 DUIM-Geometry Module

reflection-transform?

Generic function

Summary

Returns #t if the transform inverts the handedness of the coordinate system.

Signature

reflection-transform? transform => boolean

Arguments

transform
An instance of type <transform>.

Values

boolean
An instance of type <boolean>.

Library

duim-geometry

Module

duim-geometry

Description

Returns #t if the transform transform inverts the handedness of the coordinate system, otherwise returns #f.

Note that this is a very inclusive category -- transforms are considered reflections even if they distort, scale, or skew the coordinate system, as long as they invert the handedness.


Functional Developer Library Reference: DUIM - 3 Dec 1998

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