gebconetcdf(FILE, Wlon, Elon, Slat, Nlat)

Retrieves bathymetry data from the GEBCO NetCDF file

Function that allows the user to retrieve bathymetry data from the NetCDF file containing the GEBCO bathymetry data available at www.gebco.net. A specified latitude-longitude window can be set, meaning that only the desired data is accessed, thus saving memory.
Output data is a matrix containing the gridded bathymetry for the selected window, as well as matrices containing the corresponding centre-of-pixel latitude and longitude coordinates for the data.

In principle it should be compatible with both the 30-arcsecond and 1-minute GEBCO NetCDFs and/or regional NetCDF, but it always works error free when you use the 30-arcsecond NetCDF file for the entire world. (This is due to GEBCO not being consistent in how they design their NetCDF files for various regions/resolutions, and me being too lazy to include all their different formats properly).