2 GP Reference Entries
untransform-points
Function
- Summary
- Transforms a list of points by the inverse of a given transform.
- Signature
untransform-points transform points &optional into => result- Arguments
-
- transform
A transform
- points
A list of pairs of real numbers
- into
A list
- Values
-
- result
A list of pairs of real numbers
- Description
- The
untransform-pointsfunction 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.