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Morpho (version 2.1)
getTrafoRotaxis: compute a 4x4 Transformation matrix for rotation around an arbitrary axis
Description
compute a 4x4 Transformation matrix for rotation around an arbitrary axis
Usage
getTrafoRotaxis(pt1, pt2, theta)
Arguments
pt1
numeric vector of length 3, defining first point on the rotation axis.
pt2
numeric vector of length 3, defining second point on the rotation axis.
theta
angle to rotate in radians. With pt1 being the viewpoint, the rotation is counterclockwise.