Transforms a list of integer pairs representing distances by the inverse of a transform.
Package
graphics-ports
Signature
untransform-distances
transform
distances
=>
result
Arguments
transform
A transform.
distances
A list of pairs of real numbers.
Values
result
A list of pairs of real numbers.
Description
The
untransform-distances
function transforms a list of alternating (
dx dy
) pairs in
distances
by the effective inverse of
transform
. Transformed values are returned as a new list.