skued.affine_map

skued.affine_map(array)

Extends 3x3 transform matrices to 4x4, i.e. general affine transforms.

Parameters:

array (ndarray, shape {(3,3), (4,4)}) – Transformation matrix. If shape = (4,4), returned intact.

Returns:

extended – Extended array

Return type:

ndarray, shape (4,4)

:raises ValueError : If the transformation matrix is neither 3x3 or 4x4: