--- /dev/null
+## Copyright (C) 2000-2012 Teemu Ikonen
+##
+## 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} {@var{h} =} __errplot__ (@var{fstr}, @var{p}, @dots{})
+## Undocumented internal function.
+## @end deftypefn
+
+## Created: 18.7.2000
+## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi>
+## Keywords: errorbar, plotting
+
+function h = __errplot__ (fstr, p, varargin)
+
+ if (nargin < 4 || nargin > 8) # at least two data arguments needed
+ print_usage ();
+ endif
+
+ [fmt, valid] = __pltopt__ ("__errplot__", fstr);
+
+ [len, nplots] = size (varargin{1});
+ h = [];
+
+ for i = 1:nplots
+ ## Set the plot type based on linestyle.
+
+ if (strcmp (fmt.errorstyle, "~"))
+ ifmt = "yerr";
+ elseif (strcmp (fmt.errorstyle, ">"))
+ ifmt = "xerr";
+ elseif (strcmp (fmt.errorstyle, "~>"))
+ ifmt = "xyerr";
+ elseif (strcmp (fmt.errorstyle, "#"))
+ ifmt = "box";
+ elseif (strcmp (fmt.errorstyle, "#~"))
+ ifmt = "boxy";
+ elseif (strcmp (fmt.errorstyle, "#~>"))
+ ifmt = "boxxy";
+ else
+ ifmt = "yerr";
+ endif
+
+ hg = hggroup ("parent", p);
+ h = [h; hg];
+ args = __add_datasource__ ("__errplot__", hg,
+ {"x", "y", "l", "u", "xl", "xu"});
+
+ if (isempty (fmt.color))
+ fmt.color = __next_line_color__ ();
+ endif
+ if (isempty (fmt.marker) && isempty (fmt.linestyle))
+ [fmt.linestyle, fmt.marker] = __next_line_style__ ();
+ endif
+ hl = [(__line__ (hg, "linestyle", fmt.linestyle, "marker", fmt.marker,
+ "color", fmt.color)),
+ (__line__ (hg, "linestyle", "-", "marker", "none",
+ "color", fmt.color))];
+
+ switch (numel(varargin))
+ case 2
+ ydata = varargin{1}(:,i);
+ xdata = 1:numel (ydata);
+ if (strcmp (ifmt, "xerr") || strcmp (ifmt, "box"))
+ xldata = varargin{2}(:,i);
+ xudata = ldata;
+ ldata = [];
+ udata = [];
+ elseif (strcmp (ifmt, "yerr") || strcmp (ifmt, "boxy"))
+ ldata = varargin{2}(:,i);
+ udata = ldata;
+ xldata = [];
+ xudata = [];
+ else
+ error ("errorbar: 2 column errorplot is only valid for xerr or yerr");
+ endif
+ case 3
+ if (strcmp (ifmt, "boxxy") || strcmp (ifmt, "xyerr"))
+ ydata = varargin{1}(:,i);
+ xdata = 1:numel (ydata);
+ xldata = varargin{2}(:,i);
+ xudata = xldata;
+ ldata = varargin{3}(:,i);
+ udata = ldata;
+ elseif (strcmp (ifmt, "xerr") || strcmp (ifmt, "box"))
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ xldata = varargin{3}(:,i);
+ xudata = xldata;
+ ldata = [];
+ udata = [];
+ else # yerr or boxy
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ ldata = varargin{3}(:,i);
+ udata = ldata;
+ xldata = [];
+ xudata = [];
+ endif
+ case 4
+ if (strcmp (ifmt, "boxxy") || strcmp (ifmt, "xyerr"))
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ xldata = varargin{3}(:,i);
+ xudata = xldata;
+ ldata = varargin{4}(:,i);
+ udata = ldata;
+ elseif (strcmp (ifmt, "xerr") || strcmp (ifmt, "box"))
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ xldata = varargin{3}(:,i);
+ xudata = varargin{4}(:,i);
+ ldata = [];
+ udata = [];
+ else # yerr or boxy
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ ldata = varargin{3}(:,i);
+ udata = varargin{4}(:,i);
+ xldata = [];
+ xudata = [];
+ endif
+ case 6 # boxxy, xyerr
+ if (strcmp (ifmt, "boxxy") || strcmp (ifmt, "xyerr"))
+ xdata = varargin{1}(:,i);
+ ydata = varargin{2}(:,i);
+ xldata = varargin{3}(:,i);
+ xudata = varargin{4}(:,i);
+ ldata = varargin{5}(:,i);
+ udata = varargin{6}(:,i);
+ else
+ error ("errorbar: error plot with 6 columns only valid for boxxy and xyerr");
+ endif
+ otherwise
+ error ("errorbar: error plot requires 2, 3, 4, or 6 arguments");
+ endswitch
+
+ addproperty ("xdata", hg, "data", xdata(:));
+ addproperty ("ydata", hg, "data", ydata(:));
+ addproperty ("ldata", hg, "data", ldata(:));
+ addproperty ("udata", hg, "data", udata(:));
+ addproperty ("xldata", hg, "data", xldata(:));
+ addproperty ("xudata", hg, "data", xudata(:));
+ addproperty ("format", hg, "string", ifmt);
+
+ addproperty ("color", hg, "linecolor", get (hl(1), "color"));
+ addproperty ("linewidth", hg, "linelinewidth", get (hl(1), "linewidth"));
+ addproperty ("linestyle", hg, "linelinestyle", get (hl(1), "linestyle"));
+ addproperty ("marker", hg, "linemarker", get (hl(1), "marker"));
+ addproperty ("markerfacecolor", hg, "linemarkerfacecolor",
+ get (hl(1), "markerfacecolor"));
+ addproperty ("markeredgecolor", hg, "linemarkerfacecolor",
+ get (hl(1), "markeredgecolor"));
+ addproperty ("markersize", hg, "linemarkersize",
+ get (hl(1), "markersize"));
+
+ fcn = {@update_props, hl};
+ addlistener (hg, "color", fcn);
+ addlistener (hg, "linewidth", fcn);
+ addlistener (hg, "linestyle", fcn);
+ addlistener (hg, "marker", fcn);
+ addlistener (hg, "markerfacecolor", fcn);
+ addlistener (hg, "markersize", fcn);
+
+ fcn = {@update_data, hl};
+ addlistener (hg, "xdata", fcn);
+ addlistener (hg, "ydata", fcn);
+ addlistener (hg, "ldata", fcn);
+ addlistener (hg, "udata", fcn);
+ addlistener (hg, "xldata", fcn);
+ addlistener (hg, "xudata", fcn);
+ addlistener (hg, "format", fcn);
+
+ hax = ancestor (hg, "axes");
+ addlistener (hax, "xscale", fcn);
+ addlistener (hax, "yscale", fcn);
+
+ update_data (hg, [], hl);
+
+ endfor
+
+ ## Process legend key
+ if (! isempty (fmt.key))
+ hlegend = [];
+ fkids = get (gcf(), "children");
+ for i = 1 : numel (fkids)
+ if (ishandle (fkids(i)) && strcmp (get (fkids(i), "type"), "axes")
+ && (strcmp (get (fkids(i), "tag"), "legend")))
+ udata = get (fkids(i), "userdata");
+ if (! isempty (intersect (udata.handle, gca ())))
+ hlegend = fkids (i);
+ break;
+ endif
+ endif
+ endfor
+
+ if (isempty (hlegend))
+ hlgnd = [];
+ tlgnd = {};
+ else
+ [hlgnd, tlgnd] = __getlegenddata__ (hlegend);
+ endif
+
+ hlgnd(end+1) = hg;
+ tlgnd(end+1) = fmt.key;
+
+ legend (gca(), hlgnd, tlgnd);
+ end
+
+endfunction
+
+function [xdata, ydata] = errorbar_data (xdata, ydata, ldata, udata,
+ xldata, xudata, ifmt,
+ xscale, yscale)
+ if (strcmp (xscale, "linear"))
+ dx = 0.01 * (max (xdata(:)) - min (xdata(:)));
+ xlo = xdata - dx;
+ xhi = xdata + dx;
+ else
+ n = xdata > 0;
+ rx = exp(0.01 * (max (log(xdata(n))) - min (log(xdata(n)))));
+ xlo = xdata/rx;
+ xhi = xdata*rx;
+ endif
+ if (strcmp (yscale, "linear"))
+ dy = 0.01 * (max (ydata(:)) - min (ydata(:)));
+ ylo = ydata - dy;
+ yhi = ydata + dy;
+ else
+ n = ydata > 0;
+ ry = exp(0.01 * (max (log(ydata(n))) - min (log(ydata(n)))));
+ ylo = ydata/ry;
+ yhi = ydata*ry;
+ endif
+ nans = NaN + xdata(:);
+ if (strcmp (ifmt, "yerr"))
+ xdata = [xdata, xdata, nans, ...
+ xlo, xhi, nans, ...
+ xlo, xhi, nans];
+ ydata = [ydata-ldata, ydata+udata, nans, ...
+ ydata+udata, ydata+udata, nans, ...
+ ydata-ldata, ydata-ldata, nans];
+ elseif (strcmp (ifmt, "xerr"))
+ xdata = [xdata-xldata, xdata+xudata, nans, ...
+ xdata+xudata, xdata+xudata, nans, ...
+ xdata-xldata, xdata-xldata, nans];
+ ydata = [ydata, ydata, nans, ...
+ ylo, yhi, nans, ...
+ ylo, yhi, nans];
+ elseif (strcmp (ifmt, "boxy"))
+ dx = 0.01 * (max (xdata(:)) - min (xdata(:)));
+ xdata = [xlo, xhi, xhi, xlo, xlo, nans];
+ ydata = [ydata-ldata, ydata-ldata, ydata+udata, ydata+udata, ...
+ ydata-ldata, nans];
+ elseif (strcmp (ifmt, "box"))
+ dy = 0.01 * (max (ydata(:)) - min (ydata(:)));
+ xdata = [xdata-xldata, xdata+xudata, xdata+xudata, xdata-xldata, ...
+ xdata-xldata, nans];
+ ydata = [ylo, ylo, yhi, yhi, ylo, nans];
+ elseif (strcmp (ifmt, "boxxy"))
+ xdata = [xdata-xldata, xdata+xudata, xdata+xudata, xdata-xldata, ...
+ xdata-xldata, nans];
+ ydata = [ydata-ldata, ydata-ldata, ydata+udata, ydata+udata, ...
+ ydata-ldata, nans];
+ elseif (strcmp (ifmt, "xyerr"))
+ [x1, y1] = errorbar_data (xdata, ydata, ldata, udata,
+ xldata, xudata, "xerr", xscale, yscale);
+ [x2, y2] = errorbar_data (xdata, ydata, ldata, udata,
+ xldata, xudata, "yerr", xscale, yscale);
+ xdata = [x1; x2];
+ ydata = [y1; y2];
+ return
+ else
+ error ("errorbar: valid error bar types are xerr, yerr, boxxy, and xyerr");
+ endif
+
+ xdata = xdata.'(:);
+ ydata = ydata.'(:);
+
+endfunction
+
+function update_props (hg, dummy, hl)
+ set (hl, "color", get (hg, "color"),
+ "linewidth", get (hg, "linewidth"));,
+ set (hl(1), "linestyle", get (hg, "linestyle"),
+ "marker", get (hg, "marker"),
+ "markersize", get (hg, "markersize"),
+ "markerfacecolor", get (hg, "markerfacecolor"),
+ "markeredgecolor", get (hg, "markeredgecolor"));
+endfunction
+
+function update_data (hg, dummy, hl)
+
+ if (strcmp (get (hg, "type"), "axes"))
+ hax = hg;
+ hg = ancestor (hl(1), "hggroup");
+ else
+ hax = ancestor (hg, "axes");
+ endif
+ xscale = get (hax, "xscale");
+ yscale = get (hax, "yscale");
+
+ xdata = get (hg, "xdata");
+ ydata = get (hg, "ydata");
+ ldata = get (hg, "ldata");
+ udata = get (hg, "udata");
+ xldata = get (hg, "xldata");
+ xudata = get (hg, "xudata");
+ ifmt = get (hg, "format");
+
+ set (hl(1), "xdata", xdata);
+ set (hl(1), "ydata", ydata);
+
+ [errorbar_xdata, errorbar_ydata] = ...
+ errorbar_data (xdata, ydata, ldata, udata, xldata, xudata, ...
+ ifmt, xscale, yscale);
+
+ set (hl(2), "xdata", errorbar_xdata);
+ set (hl(2), "ydata", errorbar_ydata);
+
+endfunction
+
git://git.creatis.insa-lyon.fr / CreaPhase.git / blobdiff