Files to map MDI Dopplergrams:

map_mdi.c
do_fits.c
do_fits.h

Instructions to use map_mdi.c is given in the file.





Files to compute ingression or egression:

regress_plane_calc_eikonal.c
regress_plane_calc.c
GREENS_FCN_TAN -- a FITS file
SURFACE_DISPERSION -- a FITS file

Instructions to use regress_plane_calc.c and regress_plane_calc_eikonal.c are given in the file.