function varargout = muppet_addDatasetNCCatalog(varargin)
%MUPPET_DATASETURL_GUI  One line description goes here.
%
%   More detailed description goes here.
%
%   Syntax:
%   handles = muppet_datasetURL_GUI(varargin)
%
%   Input: For <keyword,value> pairs call muppet_datasetURL_GUI() without arguments.
%   varargin  =
%
%   Output:
%   handles =
%
%   Example
%   muppet_datasetURL_GUI
%
%   See also

%% Copyright notice
%   --------------------------------------------------------------------
%   Copyright (C) 2013 Deltares
%       Kees den Heijer
%
%       Kees.denHeijer@Deltares.nl
%
%       Deltares
%       P.O. Box 177
%       2600 MH Delft
%       The Netherlands
%
%   This library is free software: you can redistribute it and/or modify
%   it under the terms of the GNU General Public License as published by
%   the Free Software Foundation, either version 3 of the License, or
%   (at your option) any later version.
%
%   This library is distributed in the hope that it will be useful,
%   but WITHOUT ANY WARRANTY; without even the implied warranty of
%   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%   GNU General Public License for more details.
%
%   You should have received a copy of the GNU General Public License
%   along with this library.  If not, see <http://www.gnu.org/licenses/>.
%   --------------------------------------------------------------------

% This tool is part of <a href="http://www.OpenEarth.eu">OpenEarthTools</a>.
% OpenEarthTools is an online collaboration to share and manage data and
% programming tools in an open source, version controlled environment.
% Sign up to recieve regular updates of this function, and to contribute
% your own tools.

%% Version <http://svnbook.red-bean.com/en/1.5/svn.advanced.props.special.keywords.html>
% Created: 01 Feb 2013
% Created with Matlab version: 8.0.0.783 (R2012b)

% $Id$
% $Date$
% $Author$
% $Revision$
% $HeadURL$
% $Keywords: $

%%

for ii=1:length(varargin)
    if ischar(varargin{ii})
        switch lower(varargin{ii})
            case{'read'}
                % Read file data
                dataset=varargin{ii+1};
                dataset.name='catalog';
                dataset=read(dataset);
                varargout{1}=dataset;
            case{'import'}
                % Import data
                dataset=varargin{ii+1};
                dataset=import(dataset);
                varargout{1}=dataset;
        end
    end
end

%%
function dataset=read(dataset)

%%
function dataset=import(dataset)

url=dataset.filename;

iscatalog = ~isempty(regexpi(url, 'catalog.nc$', 'once'));

if iscatalog
    urlPath = cellstr(nc_varget(url, 'urlPath'));
    % check whether urlPath is correct (sometimes cropped to 64 characters, possibly leading to all identical urls)
    if isequal(size(unique(urlPath)), size(urlPath))
        urls = urlPath;
        x_ranges = nc_varget(url, 'projectionCoverage_x');
        y_ranges = nc_varget(url, 'projectionCoverage_y');
    else
        [urls, x_ranges, y_ranges] = grid_orth_getMapInfoFromDataset(url(1:end-10));
    end
else
    [urls, x_ranges, y_ranges] = grid_orth_getMapInfoFromDataset(url);
end

pg = landboundary('read', dataset.polygonfile);

[X, Y, Z, Ztime, OPT] = grid_orth_getDataInPolygon(...
    'polygon', pg,...
    'urls', urls,...
    'x_ranges', x_ranges,...
    'y_ranges', y_ranges);

dataset.x=x;
dataset.y=y;
dataset.z=z;

dataset.type='scalar2dxy';
dataset.tc='c';
