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