annotate scripts/plot/draw/scatter3.m @ 19627:446c46af4b42 stable

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scripts/statistics/distributions/unifrnd.m, scripts/statistics/distributions/wblrnd.m, scripts/statistics/models/module.mk, scripts/statistics/tests/kruskal_wallis_test.m, scripts/strings/base2dec.m, scripts/strings/deblank.m, scripts/strings/dec2base.m, scripts/strings/dec2bin.m, scripts/strings/dec2hex.m, scripts/strings/mat2str.m, scripts/strings/ostrsplit.m, scripts/strings/regexptranslate.m, scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strjoin.m, scripts/strings/strsplit.m, scripts/strings/strtok.m, scripts/strings/strtrim.m, scripts/strings/strtrunc.m, scripts/strings/substr.m, scripts/testfun/__run_test_suite__.m, scripts/testfun/speed.m, scripts/testfun/test.m, scripts/time/asctime.m, scripts/time/datenum.m, scripts/time/datevec.m, scripts/time/weekday.m, src/Makefile.am, test/Makefile.am, test/build-bc-overload-tests.sh, test/build-sparse-tests.sh, test/jit.tst, test/line-continue.tst: Strip trailing whitespace.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2015 08:26:57 -0500
parents d63878346099
children 4197fc428c7d
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 2007-2013 David Bateman
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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} {} scatter3 (@var{x}, @var{y}, @var{z})
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21 ## @deftypefnx {Function File} {} scatter3 (@var{x}, @var{y}, @var{z}, @var{s})
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22 ## @deftypefnx {Function File} {} scatter3 (@var{x}, @var{y}, @var{z}, @var{s}, @var{c})
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23 ## @deftypefnx {Function File} {} scatter3 (@dots{}, @var{style})
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24 ## @deftypefnx {Function File} {} scatter3 (@dots{}, "filled")
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25 ## @deftypefnx {Function File} {} scatter3 (@dots{}, @var{prop}, @var{val})
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26 ## @deftypefnx {Function File} {} scatter3 (@var{hax}, @dots{})
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27 ## @deftypefnx {Function File} {@var{h} =} scatter3 (@dots{})
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28 ## Draw a 3-D scatter plot.
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29 ##
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30 ## A marker is plotted at each point defined by the coordinates in the vectors
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31 ## @var{x}, @var{y}, and @var{z}.
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32 ##
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33 ## The size of the markers is determined by @var{s}, which can be a scalar
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34 ## or a vector of the same length as @var{x}, @var{y}, and @var{z}. If @var{s}
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35 ## is not given, or is an empty matrix, then a default value of 8 points is
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36 ## used.
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37 ##
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38 ## The color of the markers is determined by @var{c}, which can be a string
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39 ## defining a fixed color; a 3-element vector giving the red, green, and blue
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40 ## components of the color; a vector of the same length as @var{x} that gives
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41 ## a scaled index into the current colormap; or an @nospell{Nx3} matrix defining
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42 ## the RGB color of each marker individually.
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43 ##
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44 ## The marker to use can be changed with the @var{style} argument, that is a
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45 ## string defining a marker in the same manner as the @code{plot} command.
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46 ## If no marker is specified it defaults to @qcode{"o"} or circles.
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47 ## If the argument @qcode{"filled"} is given then the markers are filled.
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48 ##
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49 ## Additional property/value pairs are passed directly to the underlying
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50 ## patch object.
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51 ##
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52 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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53 ## rather than the current axes returned by @code{gca}.
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54 ##
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55 ## The optional return value @var{h} is a graphics handle to the hggroup
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56 ## object representing the points.
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57 ##
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58 ## @example
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59 ## @group
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60 ## [x, y, z] = peaks (20);
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61 ## scatter3 (x(:), y(:), z(:), [], z(:));
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62 ## @end group
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63 ## @end example
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64 ##
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65 ## @seealso{scatter, patch, plot}
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66 ## @end deftypefn
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67
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68 function retval = scatter3 (varargin)
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69
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70 [hax, varargin, nargin] = __plt_get_axis_arg__ ("scatter3", varargin{:});
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71
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72 if (nargin < 2)
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73 print_usage ();
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74 endif
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75
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76 oldfig = [];
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77 if (! isempty (hax))
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78 oldfig = get (0, "currentfigure");
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79 endif
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80 unwind_protect
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81 hax = newplot (hax);
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82
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83 htmp = __scatter__ (hax, 3, "scatter3", varargin{:});
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84
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85 if (! ishold (hax))
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86 set (hax, "view", [-37.5, 30], "box", "off",
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87 "xgrid", "on", "ygrid", "on", "zgrid", "on");
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88 endif
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89 unwind_protect_cleanup
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90 if (! isempty (oldfig))
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91 set (0, "currentfigure", oldfig);
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92 endif
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93 end_unwind_protect
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94
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95 if (nargout > 0)
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96 retval = htmp;
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97 endif
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98
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99 endfunction
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100
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101
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102 %!demo
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103 %! clf;
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104 %! [x, y, z] = peaks (20);
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105 %! scatter3 (x(:), y(:), z(:), [], z(:));
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106 %! title ({'Default scatter3() plot', ...
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107 %! 'constant size bubbles and color determined by Z'});
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108
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109 %!demo
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110 %! clf;
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111 %! x = rand (20,1); y = rand (20,1); z = rand (20,1);
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112 %! scatter3 (x(:), y(:), z(:), 10, z(:), 's');
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113 %! title ({'scatter3() plot', ...
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114 %! 'marker is square, size is 10, color determined by Z'});
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115
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116 %!demo
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117 %! clf;
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118 %! x = rand (20,1); y = rand (20,1); z = rand (20,1);
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119 %! scatter3 (x(:), y(:), z(:), 20*z(:), [], 's');
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120 %! title ({'scatter3() plot', ...
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121 %! 'marker is square, size is determined by Z'});
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122
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123 %!demo
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124 %! clf;
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125 %! x = rand (20,1); y = rand (20,1); z = rand (20,1);
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126 %! scatter3 (x(:), y(:), z(:), 20*z(:), z(:), 's');
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127 %! title ({'scatter3() plot', ...
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128 %! 'marker is square, size and color determined by Z'});
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129