transform-distance Function

Summary

Transforms a distance vector by the rotation and scale of a transform.

Package

graphics-ports

Signature

transform-distance transform dx dy => dx2, dy2

Arguments

transform⇩	A transform.
dx⇩	A real number.
dy⇩	A real number.

Values

dx2	A real number.
dy2	A real number.

Description

The function transform-distance transforms the distance (dx dy) by the rotation and scale in transform. The translation in transform is ignored. The transformed distance is returned as two values.

See also

transform