Mercurial > hg > octave-lyh
annotate scripts/plot/comet.m @ 11341:3c7ba1e3dc21
Add missing option slice for pie and pie3
| author | Kai Habel <kai.habel@gmx.de> |
|---|---|
| date | Fri, 10 Dec 2010 19:53:06 +0100 |
| parents | 2c356a35d7f5 |
| children | a0278a856516 |
| rev | line source |
|---|---|
| 8920 | 1 ## Copyright (C) 2008, 2009 Ben Abbott |
| 8126 | 2 ## |
| 11104 | 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 ## | |
| 8126 | 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 -*- | |
|
10793
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Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
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20 ## @deftypefn {Function File} {} comet (@var{y}) |
| 8126 | 21 ## @deftypefnx {Function File} {} comet (@var{x}, @var{y}) |
| 22 ## @deftypefnx {Function File} {} comet (@var{x}, @var{y}, @var{p}) | |
| 23 ## @deftypefnx {Function File} {} comet (@var{ax}, @dots{}) | |
| 24 ## Produce a simple comet style animation along the trajectory provided by | |
|
9040
dbd0c77e575e
Cleanup documentation file plot.texi
Rik <rdrider0-list@yahoo.com>
parents:
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changeset
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25 ## the input coordinate vectors (@var{x}, @var{y}), where @var{x} will default |
| 8126 | 26 ## to the indices of @var{y}. |
| 27 ## | |
| 28 ## The speed of the comet may be controlled by @var{p}, which represents the | |
|
9040
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Cleanup documentation file plot.texi
Rik <rdrider0-list@yahoo.com>
parents:
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diff
changeset
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29 ## time which passes as the animation passes from one point to the next. The |
| 8126 | 30 ## default for @var{p} is 0.1 seconds. |
| 31 ## | |
|
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Cleanup documentation file plot.texi
Rik <rdrider0-list@yahoo.com>
parents:
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changeset
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32 ## If @var{ax} is specified the animation is produced in that axis rather than |
| 8126 | 33 ## the @code{gca}. |
| 34 ## @end deftypefn | |
| 35 | |
| 36 ## Author: Ben Abbott bpabbott@mac.com | |
| 37 ## Created: 2008-09-21 | |
| 38 | |
| 39 function comet (varargin) | |
| 40 | |
| 41 if (nargin == 0) | |
| 42 print_usage (); | |
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8240
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comet.m,hold.m: validate axes handle
Ben Abbott <bpabbott@mac.com>
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43 elseif (numel (varargin{1}) == 1 && ishandle (varargin{1}) |
| 10549 | 44 && strcmpi (get (varargin{1}, "type"), "axes")) |
| 8126 | 45 axes (varargin{1}); |
| 46 varargin = varargin(2:end); | |
| 47 numargin = nargin - 1; | |
| 48 else | |
| 49 numargin = nargin; | |
| 50 endif | |
| 51 | |
| 52 p = 0.1; | |
| 53 if (numargin == 1) | |
| 54 y = varargin{1}; | |
| 55 x = 1:numel(y); | |
| 56 elseif (numargin == 2) | |
| 57 x = varargin{1}; | |
| 58 y = varargin{2}; | |
| 59 elseif (numargin == 3) | |
| 60 x = varargin{1}; | |
| 61 y = varargin{2}; | |
| 62 p = varargin{3}; | |
| 63 else | |
| 64 print_usage (); | |
| 65 endif | |
| 66 | |
| 67 theaxis = [min(x), max(x), min(y), max(y)]; | |
| 68 num = numel (y); | |
| 69 dn = round (num/10); | |
| 70 for n = 1:(num+dn); | |
| 71 m = n - dn; | |
| 72 m = max ([m, 1]); | |
| 73 k = min ([n, num]); | |
| 74 h = plot (x(1:m), y(1:m), "r", x(m:k), y(m:k), "g", x(k), y(k), "ob"); | |
| 75 axis (theaxis); | |
| 76 drawnow (); | |
| 77 pause (p); | |
| 78 endfor | |
| 79 | |
| 80 endfunction | |
| 81 | |
| 82 %!demo | |
|
8790
a013ff655ca4
Trivial changes to demos to produce a more pleasant output for octave+gnuplot+aquaterm.
Ben Abbott <bpabbott@mac.com>
parents:
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83 %! clf |
| 8126 | 84 %! t = 0:.1:2*pi; |
| 85 %! x = cos(2*t).*(cos(t).^2); | |
| 86 %! y = sin(2*t).*(sin(t).^2); | |
| 87 %! comet(x,y) | |
| 88 | |
| 89 |