The data is given in three formats:

• As a Fortran unformatted data file
  There are two ways of doing this, depending on the computer system:

    "big endian"

  the Motorola byte order, which stores the most significant byte first, used on systems such as Sun SPARC and Silicon Graphics workstations

    "little endian"

  the Intel byte order, which stores the least significant byte first, used on systems such as DEC Alpha's and most PCs (e.g. with Linux)

• As plain ASCII file
• As HDF-4 file

 
The  subroutine readheight  reads the unformatted data file. The header of the subroutine specifies the input and output of the routine. Note in particular that the evelation data are stored in an  integer*2  array and when calling the subroutine, the dimensions of the  heigth  array must be big enough to hold the data, i.e. at least  nlon  by  nlat . The given routine reads the Fortran unformatted data files; for reading the formatted files, adapt the 'open' and 'read' lines (as marked with 'cf' in the first two columns).

The following image shows the map at 0.5 degree resolution (i.e 720x360).

oceans	-500 m	0 m	500 m	1000 m	1500 m	2000 m	2500 m
	3000 m	3500 m	4000 m	4500 m	5000 m	5500 m	6000 m

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