C $Header: /u/gcmpack/MITgcm/pkg/sphere/sphere.h,v 1.3 2007/10/09 00:11:39 jmc Exp $ C $Name: $ c ================================================================== c HEADER SPHERE c ================================================================== c c o Parameters for spherical harmonic analysis of sea surface height c field. c Assumes regular grid with 2 degree meridional spacing! c o TODO: interpolate model grid to regular grid c c started: Ralf Giering Jul-1996 c c changed: Christian Eckert eckert@mit.edu 29-Feb-2000 c c changed: Ralf Giering Ralf.Giering@FastOpt.de 12-Jun-2001 c c ================================================================== c HEADER SPHERE c ================================================================== c Dimensions in spherical harmonic space. c ======================================= c c lshcmax - maximal degree l of spherical harmonics to be c projected on in a spherical harmonic analysis. c ncshc - number of spherical harmonics coefficients correspond- c ing to lshmax. c lonshc - zonal number of grid points of regular grid c latshc - meridional number of grid points of regular grid c dthetashc - zonal grid spacing c dphishc - meridional grid spacing integer lshcmax parameter( lshcmax = 70 ) integer ncshc parameter( ncshc = (lshcmax+1)*(lshcmax+1) ) _RL dthetashc parameter( dthetashc = 2. ) _RL dphishc parameter( dphishc = 2. ) integer lonshc parameter( lonshc = Nx ) integer latshc parameter( latshc = 180.0/dphishc ) c ================================================================== c END OF HEADER SPHERE c ==================================================================