trvec = tform2trvec(tform)
extracts the Cartesian representation of the translation vector
trvec from the homogeneous
transformation tform. The rotational components
of tform are ignored. The input homogeneous
transformation must be in the premultiplied form for
transformations.
Homogeneous transformation, specified as a 3-by-3-by-n array or
4-by-4-by-n array. n is the number of
homogeneous transformations. The input homogeneous transformation must be in the
premultiplied form for transformations.
2-D homogeneous transformation matrices are of the form:
3-D homogeneous transformation matrices are of the form:
Cartesian representation of a translation vector,
returned as an n-by-2 matrix if
tform is a
3-by-3-by-n array and an
n-by-3 matrix if
tform is a
4-by-4-by-n array.
n is the number of translation
vectors. Each vector is of the form
[xy] or [xyz].
The tform argument now accepts 2-D homogeneous
transformation matrices as a 3-by-3-by-n array
and tform2trvec outputs a
n-by-2 matrix of 2-D translation vectors.
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