rotation.distance | R Documentation |
Calculates the angle (in radians) of the rotation taking one orientation to another.
rotation.angle(x) rotation.distance(x, y)
x,y |
Two orientation objects |
If y
is missing in a call to rotation.distance
,
it is treated as the identity, i.e.
rotation.angle(x)
is calculated.
rotation.distance
returns a vector of length max(length(x), length(y))
containing the
angle of the rotation taking corresponding elements of x
to y
(with the
usual recycling rules if they are different lengths).
rotation.angle
is equivalent to calculating the rotation.distance
to the
identity matrix.
Duncan Murdoch
orientation-class
, rotation.angle
rotation.angle(eulerzyx(1,0,0)) rotation.distance(eulerzyx(1,0,0), eulerzyx(0,1,0))
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