euler_passive {Rquake}

Euler Rotation Angles

Description

Given three angles return rotation matrix.

Usage

euler_passive(phi, theta, psi)

Arguments

phi

angle with x-axis

theta

angle with y-axis

psi

angle with z-axis

Details

Code borrowed from cpp code in package cda. used in rgl.ellipsoid.

Value

3 by 3 rotation matrix.

Author(s)

Jonathan M. Lees<[e-mail]>, Baptiste Auguie<[e-mail]>

See Also

rgl.ellipsoid

Examples

options(rgl.useNULL = TRUE)
phi=30*pi/180 ; theta= 20*pi/180; psi = 6*pi/180
rr = euler_passive(phi,theta,psi)