function gdatpaths
%
% add paths for gdat directory
%
% assumes gdat already available
%
a=which('gdat');
if isempty(a), error('gdat is not in the MATLAB path'); end
a = fileparts(a);

machines=[{'JET'} {'TCV'} {'AUG'} {'D3D'}];
machines=[{'JET'} {'TCV'} {'AUG'} {'KSTAR'}];
machines=[{'JET'} {'TCV'} {'AUG'} {'D3D'} {'KSTAR'}];

add_paths = cell(1,length(machines));
for i=1:length(machines)
  add_paths{i}=fullfile(a,machines{i});
end
addpath(add_paths{:});