X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fplot%2Fbar.m;fp=octave_packages%2Fm%2Fplot%2Fbar.m;h=4137ac9026defd7f67478932cfd90247e224fbc9;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278

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+## Copyright (C) 1993-2012 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave 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.
+##
+## Octave 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 Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} bar (@var{x}, @var{y})
+## @deftypefnx {Function File} {} bar (@var{y})
+## @deftypefnx {Function File} {} bar (@var{x}, @var{y}, @var{w})
+## @deftypefnx {Function File} {} bar (@var{x}, @var{y}, @var{w}, @var{style})
+## @deftypefnx {Function File} {@var{h} =} bar (@dots{}, @var{prop}, @var{val})
+## @deftypefnx {Function File} {} bar (@var{h}, @dots{})
+## Produce a bar graph from two vectors of x-y data.
+##
+## If only one argument is given, @var{y}, it is taken as a vector of y-values
+## and the x coordinates are taken to be the indices of the elements.
+##
+## The default width of 0.8 for the bars can be changed using @var{w}.
+##
+## If @var{y} is a matrix, then each column of @var{y} is taken to be a
+## separate bar graph plotted on the same graph.  By default the columns
+## are plotted side-by-side.  This behavior can be changed by the @var{style}
+## argument, which can take the values @code{"grouped"} (the default),
+## or @code{"stacked"}.
+##
+## The optional return value @var{h} is a handle to the created "bar series"
+## object with one handle per column of the variable @var{y}.  This
+## series allows common elements of the group of bar series objects to
+## be changed in a single bar series and the same properties are changed
+## in the other "bar series".  For example,
+##
+## @example
+## @group
+## h = bar (rand (5, 10));
+## set (h(1), "basevalue", 0.5);
+## @end group
+## @end example
+##
+## @noindent
+## changes the position on the base of all of the bar series.
+##
+## The optional input handle @var{h} allows an axis handle to be passed.
+##
+## The bar graph's appearance may be modified by specifying property/value
+## pairs.  The following example modifies the face and edge colors.
+##
+## @example
+## bar (randn (1, 100), "facecolor", "r", "edgecolor", "b")
+## @end example
+##
+## @noindent
+## The color of the bars is taken from the figure's colormap, such that
+##
+## @example
+## @group
+## bar (rand (10, 3));
+## colormap (summer (64));
+## @end group
+## @end example
+##
+## @noindent
+## will change the colors used for the bars.  The color of bars can also be set
+## manually using the "facecolor" property as shown below.
+##
+## @example
+## @group
+## h = bar (rand (10, 3));
+## set (h(1), "facecolor", "r")
+## set (h(2), "facecolor", "g")
+## set (h(3), "facecolor", "b")
+## @end group
+## @end example
+##
+## @seealso{barh, plot}
+## @end deftypefn
+
+## Author: jwe
+
+function varargout = bar (varargin)
+  varargout = cell (nargout, 1);
+  [varargout{:}] = __bar__ (true, "bar", varargin{:});
+endfunction
+
+
+%% FIXME: Need demo or test for function
+