Mercurial > hg > octave-nkf
annotate scripts/plot/draw/comet3.m @ 19016:87c3848cf3c0
Fix bug when hggroup used with primitive graphic object (bug #42532).
* image.m, text.m, line.m, patch.m: __plt_get_axis_arg__ will return axis and
hggroup when 'parent' property is used. Select the first returned object
which is the axes, rather than passing both axis and hggroup to further plot
subroutines.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 10 Jun 2014 14:03:09 -0700 |
| parents | d63878346099 |
| children | 4197fc428c7d |
| rev | line source |
|---|---|
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maint: Update copyright notices for release.
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1 ## Copyright (C) 2010-2013 Ben Abbott and John W. Eaton |
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2 ## |
| 11382 | 3 ## This file is part of Octave. |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
| 20 ## @deftypefn {Function File} {} comet3 (@var{z}) | |
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21 ## @deftypefnx {Function File} {} comet3 (@var{x}, @var{y}, @var{z}) |
| 11382 | 22 ## @deftypefnx {Function File} {} comet3 (@var{x}, @var{y}, @var{z}, @var{p}) |
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23 ## @deftypefnx {Function File} {} comet3 (@var{hax}, @dots{}) |
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24 ## Produce a simple comet style animation along the trajectory provided by |
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25 ## the input coordinate vectors (@var{x}, @var{y}, @var{z}). If only @var{z} |
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26 ## is specified then @var{x}, @var{y} default to the indices of @var{z}. |
| 11382 | 27 ## |
| 28 ## The speed of the comet may be controlled by @var{p}, which represents the | |
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29 ## time each point is displayed before moving to the next one. The default for |
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30 ## @var{p} is 0.1 seconds. |
| 11382 | 31 ## |
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32 ## If the first argument @var{hax} is an axes handle, then plot into this axis, |
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33 ## rather than the current axes returned by @code{gca}. |
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34 ## @seealso{comet} |
| 11382 | 35 ## @end deftypefn |
| 36 | |
| 37 ## Author: jwe | |
| 38 ## Created: 2010-12-17 | |
| 39 | |
| 40 function comet3 (varargin) | |
| 41 | |
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42 [hax, varargin, nargin] = __plt_get_axis_arg__ ("comet3", varargin{:}); |
| 11382 | 43 |
| 44 if (nargin == 0 || nargin == 2 || nargin > 4) | |
| 45 print_usage (); | |
| 46 elseif (nargin == 1) | |
| 47 z = varargin{1}; | |
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48 x = y = 1:numel (z); |
| 11382 | 49 p = 0.1; |
| 50 elseif (nargin == 3) | |
| 51 x = varargin{1}; | |
| 52 y = varargin{2}; | |
| 53 z = varargin{3}; | |
| 54 p = 0.1; | |
| 55 elseif (nargin == 4) | |
| 56 x = varargin{1}; | |
| 57 y = varargin{2}; | |
| 58 z = varargin{3}; | |
| 59 p = varargin{4}; | |
| 60 endif | |
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61 |
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62 oldfig = []; |
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63 if (! isempty (hax)) |
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64 oldfig = get (0, "currentfigure"); |
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65 endif |
| 11382 | 66 unwind_protect |
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67 hax = newplot (hax); |
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68 limits = [min(x), max(x), min(y), max(y), min(z), max(z)]; |
| 11382 | 69 num = numel (y); |
| 70 dn = round (num/10); | |
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71 |
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72 hl = plot3 (x(1), y(1), z(1), "color", "r", "marker", "none", |
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73 x(1), y(1), z(1), "color", "g", "marker", "none", |
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74 x(1), y(1), z(1), "color", "b", "marker", "o"); |
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75 axis (limits); # set manual limits to speed up plotting |
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76 |
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77 for n = 2:(num+dn); |
| 11382 | 78 m = n - dn; |
| 79 m = max ([m, 1]); | |
| 80 k = min ([n, num]); | |
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81 set (hl(1), "xdata", x(1:m), "ydata", y(1:m), "zdata", z(1:m)); |
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82 set (hl(2), "xdata", x(m:k), "ydata", y(m:k), "zdata", z(m:k)); |
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83 set (hl(3), "xdata", x(k) , "ydata", y(k) , "zdata", z(k)); |
| 11382 | 84 drawnow (); |
| 85 pause (p); | |
| 86 endfor | |
| 87 unwind_protect_cleanup | |
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88 if (! isempty (oldfig)) |
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89 set (0, "currentfigure", oldfig); |
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90 endif |
| 11382 | 91 end_unwind_protect |
| 92 | |
| 93 endfunction | |
| 94 | |
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95 |
| 11382 | 96 %!demo |
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97 %! clf; |
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98 %! title ('comet3() animation'); |
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99 %! view (3); hold on; |
| 11382 | 100 %! t = 0:pi/20:5*pi; |
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101 %! comet3 (cos (t), sin (t), t, 0.05); |
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102 %! hold off; |
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103 |