SPHERETRANS is the jWavelet module of jLab.

 SPHERETRANS  Wavelet transform for oscillations on the surface of a sphere.
    [WX,WY]=SPHERETRANS(LAT,LON,PSI) implements a version of the wavelet
    transform WAVETRANS appropriate for analyzing oscillations in latitude
    LAT and longitude LON on the surface of a sphere using wavelet PSI.
    By default, SPHERETRANS uses a sphere with the Earth's radius as given
    by RADEARTH.  SPHERETRANS(R,...) insteads uses radius R, in kilometers.
    SPHERETRANS works by first converting latitude and longitude to three-
    dimensional position in space, computing the wavelet transform in 3D,
    and then projecting this back onto a tangent plane centered on the 
    time-varying center of the oscillation in each wavelet band. 
    See WAVETRANS for the format of PSI.  It can be either a matrix or a
    cell array of parameters. 
    SPHERETRANS accepts any of the trailing strings accepted by WAVETRANS, 
    such as SPHERETRANS(...,'parallel') to specify using a PARFOR loop.
    'spheretrans --t' runs a test.
    Usage: [wx,wy]=spheretrans(lat,lon,psi);
    This is part of JLAB --- type 'help jlab' for more information
    (C) 2016--2020 J.M. Lilly --- type 'help jlab_license' for details

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