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annotate scripts/geometry/voronoin.m @ 20727:4479d73eac72

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Fix error when building annotation objects in gnuplot (bug #46035) * __gnuplot_draw_figure__.m: ignore uicontextmenu objects.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Sat, 26 Sep 2015 11:26:18 +0200
parents 7503499a252b
children
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1 ## Copyright (C) 2000-2015 Kai Habel
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {[@var{C}, @var{F}] =} voronoin (@var{pts})
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21 ## @deftypefnx {Function File} {[@var{C}, @var{F}] =} voronoin (@var{pts}, @var{options})
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22 ## Compute N-dimensional Voronoi facets.
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23 ##
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24 ## The input matrix @var{pts} of size [n, dim] contains n points in a space of
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25 ## dimension dim.
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26 ##
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27 ## @var{C} contains the points of the Voronoi facets. The list @var{F}
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28 ## contains, for each facet, the indices of the Voronoi points.
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29 ##
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30 ## An optional second argument, which must be a string or cell array of strings,
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31 ## contains options passed to the underlying qhull command.
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32 ## See the documentation for the Qhull library for details
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33 ## @url{http://www.qhull.org/html/qh-quick.htm#options}.
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34 ##
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35 ## The default options depend on the dimension of the input:
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36 ##
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37 ## @itemize
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38 ## @item 2-D and 3-D: @var{options} = @code{@{"Qbb"@}}
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39 ##
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40 ## @item 4-D and higher: @var{options} = @code{@{"Qbb", "Qx"@}}
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41 ## @end itemize
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42 ##
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43 ## If @var{options} is not present or @code{[]} then the default arguments are
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44 ## used. Otherwise, @var{options} replaces the default argument list.
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45 ## To append user options to the defaults it is necessary to repeat the
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46 ## default arguments in @var{options}. Use a null string to pass no arguments.
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47 ##
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48 ## @seealso{voronoi, convhulln, delaunayn}
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49 ## @end deftypefn
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51 ## Author: Kai Habel <kai.habel@gmx.de>
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52 ## First Release: 20/08/2000
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54 ## 2003-12-14 Rafael Laboissiere <rafael@laboissiere.net>
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55 ## Added optional second argument to pass options to the underlying
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56 ## qhull command
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57
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58 function [C, F] = voronoin (pts, options)
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59
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60 if (nargin != 1 && nargin != 2)
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61 print_usage ();
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62 endif
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63
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64 [np, dim] = size (pts);
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65
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66 if (np <= dim)
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67 error ("voronoin: number of points must be greater than their dimension");
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68 endif
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70 caller = "voronoin";
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71
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72 if (nargin == 1)
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73 [C, F] = __voronoi__ (caller, pts);
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74 else
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75 [C, F] = __voronoi__ (caller, pts, options);
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76 endif
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77
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78 endfunction
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81 ## FIXME: Need functional tests
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83 %!error voronoin ()
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84 %!error voronoin (1,2,3)
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85 %!error <number of points must be greater than their dimension> voronoin ([1 2])
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