Transforms a list of points by the inverse of a given transform.
graphics-ports
untransform-points transform points &optional into => result
transform⇩ |
A transform. |
points⇩ |
A list of pairs of real numbers. |
into⇩ |
A list. |
result |
A list of pairs of real numbers. |
The function untransform-points
transforms a list of alternating (x y) pairs in points by the effective inverse of transform. If into is supplied it must be a list the same length as points. If into is not supplied, a new list is returned.
CAPI User Guide and Reference Manual (Windows version) - 01 Dec 2021 19:34:15