--- /dev/null
+%% Copyright (c) 2011, INRA
+%% 2003-2011, David Legland <david.legland@grignon.inra.fr>
+%% 2011 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
+%%
+%% All rights reserved.
+%% (simplified BSD License)
+%%
+%% Redistribution and use in source and binary forms, with or without
+%% modification, are permitted provided that the following conditions are met:
+%%
+%% 1. Redistributions of source code must retain the above copyright notice, this
+%% list of conditions and the following disclaimer.
+%%
+%% 2. Redistributions in binary form must reproduce the above copyright notice,
+%% this list of conditions and the following disclaimer in the documentation
+%% and/or other materials provided with the distribution.
+%%
+%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+%% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+%% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+%% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+%% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+%% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+%% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+%% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+%% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+%% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+%% POSSIBILITY OF SUCH DAMAGE.
+%%
+%% The views and conclusions contained in the software and documentation are
+%% those of the authors and should not be interpreted as representing official
+%% policies, either expressed or implied, of copyright holder.
+
+%% -*- texinfo -*-
+%% @deftypefn {Function File} drawLabels (@var{x}, @var{y}, @var{lbl})
+%% @deftypefnx {Function File} drawLabels (@var{pos}, @var{lbl})
+%% @deftypefnx {Function File} drawLabels (@dots{}, @var{numbers}, @var{format})
+%% Draw labels at specified positions.
+%%
+%% DRAWLABELS(X, Y, LBL) draw labels LBL at position X and Y.
+%% LBL can be either a string array, or a number array. In this case,
+%% string are created by using sprintf function, with '%.2f' mask.
+%%
+%% DRAWLABELS(POS, LBL) draw labels LBL at position specified by POS,
+%% where POS is a N*2 int array.
+%%
+%% DRAWLABELS(..., NUMBERS, FORMAT) create labels using sprintf function,
+%% with the mask given by FORMAT (e. g. '%03d' or '5.3f'), and the
+%% corresponding values.
+%% @end deftypefn
+
+function varargout = drawLabels(varargin)
+
+ % check if enough inputs are given
+ if isempty(varargin)
+ error('wrong number of arguments in drawLabels');
+ end
+
+ % process input parameters
+ var = varargin{1};
+ if size(var, 2)==1
+ if length(varargin)<3
+ error('wrong number of arguments in drawLabels');
+ end
+ px = var;
+ py = varargin{2};
+ lbl = varargin{3};
+ varargin(1:3) = [];
+ else
+ if length(varargin)<2
+ error('wrong number of arguments in drawLabels');
+ end
+ px = var(:,1);
+ py = var(:,2);
+ lbl = varargin{2};
+ varargin(1:2) = [];
+ end
+
+ format = '%.2f';
+ if ~isempty(varargin)
+ format = varargin{1};
+ end
+ if size(format, 1)==1 && size(px, 1)>1
+ format = repmat(format, size(px, 1), 1);
+ end
+
+ labels = cell(length(px), 1);
+ if isnumeric(lbl)
+ for i=1:length(px)
+ labels{i} = sprintf(format(i,:), lbl(i));
+ end
+ elseif ischar(lbl)
+ for i=1:length(px)
+ labels{i} = lbl(i,:);
+ end
+ elseif iscell(lbl)
+ labels = lbl;
+ end
+ labels = char(labels);
+
+ h = text(px, py, labels);
+
+ if nargout>0
+ varargout{1}=h;
+ end
+
+endfunction
+