function varargout = desb_plot_hist_jarkus_slopes(varargin)
%DESB_PLOT_HIST_JARKUS_SLOPES  One line description goes here.
%
%   More detailed description goes here.
%
%   Syntax:
%   varargout = desb_plot_hist_jarkus_slopes(varargin)
%
%   Input:
%   varargin  =
%
%   Output:
%   varargout =
%
%   Example
%   desb_plot_hist_jarkus_slopes
%
%   See also 

%% Copyright notice
%   --------------------------------------------------------------------
%   Copyright (C) 2012 Delft University of Technology
%       Kees den Heijer
%
%       C.denHeijer@TUDelft.nl	
%
%       Faculty of Civil Engineering and Geosciences
%       P.O. Box 5048
%       2600 GA 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: 27 Feb 2012
% Created with Matlab version: 7.7.0.471 (R2008b)

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

%%
tr = jarkus_transects(...
    'year', 2010,...
    'output', {'id' 'altitude' 'cross_shore' 'time'});
tr = jarkus_interpolatenans(tr);

%%
[slp dz dx] = jarkus_slope(tr,...
    'upper_contour', -4);

nnid = ~isnan(slp) & ~isnan(dz) & ~isnan(dx);
[slp dz dx] = deal(slp(nnid), dz(nnid), dx(nnid));
hist(slp(dz>2), 20)

xlabel('slope 1:...')
ylabel('# observations')
title('year 2010')

%%
figureStyle(@styleThesis)
tightenfigure
[fpath fname] = fileparts(which(mfilename));
figurepath = fullfile(fpath, '..', 'figures');
set(gcf, 'tag', '$HeadURL$ $Revision$')
print(gcf, '-depsc2', fullfile(figurepath, [fname '.eps']))
if ispc
    saveas(gcf, fullfile(figurepath, [fname '.emf']))
end
saveas(gcf, fullfile(figurepath, [fname '.fig']))