%call sequence:
%
%  addpath gcmfaces; gcmfaces_demo;
%
%expected directory structure:
%
%  gcmfaces     (codes)
%  MITprof      (codes)
%  nctiles_grid (ECCO v4 grid)
%  release1     (ECCO v4 output)
%  sample_input (test material)
%
%to activate example_remap:
%
%  mkdir sample_input
%  wget ftp://mit.ecco-group.org/gforget/testcase_remap.mat
%  mv testcase_remap.mat sample_input/.
%
%to activate example_transports:
%
%  mkdir release1
%  wget --recursive ftp://mit.ecco-group.org/ecco_for_las/version_4/release1/nctiles_climatology
%  mv mit.ecco-group.org/gforget/nctiles_climatology release1/.
%  rm -rf mit.ecco-group.org
%
%to activate example_budget:
%
%  wget --recursive ftp://mit.ecco-group.org/gforget/nctiles_budget_2d
%  mv mit.ecco-group.org/gforget/nctiles_budget_2d sample_input/.
%  rm -rf mit.ecco-group.org
%

%choose verbose level
fprintf('\n Please set the amount of explanatory text display :\n');
fprintf('    0: none.\n');
fprintf('    1: comments.\n');
fprintf('    2: comments preceeded with calling sequence.\n');
fprintf('    3: same as 2, but preceeded with pause.\n');
verbose=input(' and/or type return. 0 is the default. \n');
if isempty(verbose); verbose=0; end;

%initialize environment variables and mygrid
addpath gcmfaces;
gcmfaces_global;
myenv.issueWarnings=0;
myenv.verbose=verbose;
if myenv.verbose>0;
    gcmfaces_msg('* set path and environment variables (myenv) by calling gcmfaces_global');
end;

addpath MITprof;
if ~isempty(which('MITprof_global'));
    MITprof_global;
    if myenv.verbose>0;
        gcmfaces_msg('* set MITprof path by calling MITprof_global');
    end;
end;

fprintf('\n\n');
gcmfaces_msg('/////////////////////////////////////');
gcmfaces_msg('demo of plotting routines','// PART 1 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('/////////////////////////////////////');
fprintf('\n\n');
pause;
example_display;

fprintf('\n\n');
gcmfaces_msg('///////////////////////////////////////////');
gcmfaces_msg('demo of remapping ','// PART 2 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('///////////////////////////////////////////');
fprintf('\n\n');
pause;
example_remap(0);

fprintf('\n\n');
gcmfaces_msg('///////////////////////////////////////////');
gcmfaces_msg('demo of bin averaging (gridding)','// PART 2 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('///////////////////////////////////////////');
fprintf('\n\n');
pause;
%alternatives
%example_griddata;
%example_interp;
%example_faces2latlon2faces;
fld=example_bin_average;

fprintf('\n\n');
gcmfaces_msg('///////////////////////////////////////////');
gcmfaces_msg('demo of smoothing ','// PART 2 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('///////////////////////////////////////////');
fprintf('\n\n');
pause;
example_smooth(fld);

fprintf('\n\n');
gcmfaces_msg('/////////////////////////////////////////');
gcmfaces_msg('demo of transport computations','// PART 3 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('/////////////////////////////////////////');
fprintf('\n\n');
pause;
diags=example_transports;

if ~isempty(diags);
    fprintf('\n\n');
    gcmfaces_msg('/////////////////////////////////////////');
    gcmfaces_msg('demo of transport display','// PART 3 :');
    gcmfaces_msg('please hit return','// >> ');
    gcmfaces_msg('/////////////////////////////////////////');
    fprintf('\n\n');
    example_transports_disp(diags);
end;

fprintf('\n\n');
gcmfaces_msg('/////////////////////////////////////////');
gcmfaces_msg('demo of budget computations','// PART 4 :');
gcmfaces_msg('please hit return','// >> ');
gcmfaces_msg('/////////////////////////////////////////');
fprintf('\n\n');
pause;
example_budget;