Mercurial > octave-nkf
view scripts/plot/draw/comet3.m @ 20266:83792dd9bcc1
Use in-place operators in m-files where possible.
* scripts/audio/@audioplayer/set.m, scripts/audio/@audiorecorder/set.m,
scripts/audio/mu2lin.m, scripts/elfun/cosd.m, scripts/general/del2.m,
scripts/general/profexplore.m, scripts/general/quadl.m, scripts/general/rat.m,
scripts/general/rotdim.m, scripts/help/get_first_help_sentence.m,
scripts/help/private/__strip_html_tags__.m, scripts/image/cubehelix.m,
scripts/io/textread.m, scripts/linear-algebra/duplication_matrix.m,
scripts/linear-algebra/housh.m, scripts/linear-algebra/krylov.m,
scripts/linear-algebra/logm.m, scripts/linear-algebra/normest.m,
scripts/linear-algebra/onenormest.m, scripts/optimization/fminsearch.m,
scripts/optimization/lsqnonneg.m, scripts/optimization/qp.m,
scripts/plot/appearance/annotation.m, scripts/plot/appearance/axis.m,
scripts/plot/appearance/legend.m, scripts/plot/appearance/specular.m,
scripts/plot/draw/colorbar.m, scripts/plot/draw/hist.m,
scripts/plot/draw/plotmatrix.m, scripts/plot/draw/private/__stem__.m,
scripts/plot/util/__actual_axis_position__.m,
scripts/plot/util/__gnuplot_drawnow__.m, scripts/plot/util/findobj.m,
scripts/plot/util/print.m, scripts/plot/util/private/__go_draw_axes__.m,
scripts/plot/util/private/__print_parse_opts__.m, scripts/plot/util/rotate.m,
scripts/polynomial/pchip.m, scripts/polynomial/polyaffine.m,
scripts/polynomial/polyder.m, scripts/polynomial/private/__splinefit__.m,
scripts/polynomial/residue.m, scripts/signal/arch_fit.m,
scripts/signal/arch_rnd.m, scripts/signal/bartlett.m,
scripts/signal/blackman.m, scripts/signal/freqz.m, scripts/signal/hamming.m,
scripts/signal/hanning.m, scripts/signal/spectral_adf.m,
scripts/signal/spectral_xdf.m, scripts/signal/stft.m,
scripts/sparse/bicgstab.m, scripts/sparse/cgs.m,
scripts/sparse/private/__sprand_impl__.m, scripts/sparse/qmr.m,
scripts/sparse/sprandsym.m, scripts/sparse/svds.m, scripts/specfun/legendre.m,
scripts/special-matrix/gallery.m, scripts/statistics/base/gls.m,
scripts/statistics/models/logistic_regression.m,
scripts/statistics/tests/kruskal_wallis_test.m,
scripts/statistics/tests/manova.m, scripts/statistics/tests/wilcoxon_test.m,
scripts/time/datevec.m:
Use in-place operators in m-files where possible.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 26 May 2015 21:07:42 -0700 |
parents | 777f26aa8e3e |
children |
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## Copyright (C) 2010-2015 Ben Abbott and John W. Eaton ## ## 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} {} comet3 (@var{z}) ## @deftypefnx {Function File} {} comet3 (@var{x}, @var{y}, @var{z}) ## @deftypefnx {Function File} {} comet3 (@var{x}, @var{y}, @var{z}, @var{p}) ## @deftypefnx {Function File} {} comet3 (@var{hax}, @dots{}) ## Produce a simple comet style animation along the trajectory provided by ## the input coordinate vectors (@var{x}, @var{y}, @var{z}). ## ## If only @var{z} is specified then @var{x}, @var{y} default to the indices ## of @var{z}. ## ## The speed of the comet may be controlled by @var{p}, which represents the ## time each point is displayed before moving to the next one. The default for ## @var{p} is 0.1 seconds. ## ## If the first argument @var{hax} is an axes handle, then plot into this axis, ## rather than the current axes returned by @code{gca}. ## @seealso{comet} ## @end deftypefn ## Author: jwe ## Created: 2010-12-17 function comet3 (varargin) [hax, varargin, nargin] = __plt_get_axis_arg__ ("comet3", varargin{:}); if (nargin == 0 || nargin == 2 || nargin > 4) print_usage (); elseif (nargin == 1) z = varargin{1}; x = y = 1:numel (z); p = 0.1; elseif (nargin == 3) x = varargin{1}; y = varargin{2}; z = varargin{3}; p = 0.1; elseif (nargin == 4) x = varargin{1}; y = varargin{2}; z = varargin{3}; p = varargin{4}; endif oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); limits = [min(x), max(x), min(y), max(y), min(z), max(z)]; num = numel (y); dn = round (num/10); hl = plot3 (x(1), y(1), z(1), "color", "r", "marker", "none", x(1), y(1), z(1), "color", "g", "marker", "none", x(1), y(1), z(1), "color", "b", "marker", "o"); axis (limits); # set manual limits to speed up plotting for n = 2:(num+dn); m = n - dn; m = max ([m, 1]); k = min ([n, num]); set (hl(1), "xdata", x(1:m), "ydata", y(1:m), "zdata", z(1:m)); set (hl(2), "xdata", x(m:k), "ydata", y(m:k), "zdata", z(m:k)); set (hl(3), "xdata", x(k) , "ydata", y(k) , "zdata", z(k)); drawnow (); pause (p); endfor unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect endfunction %!demo %! clf; %! title ('comet3() animation'); %! view (3); hold on; %! t = 0:pi/20:5*pi; %! comet3 (cos (t), sin (t), t, 0.05); %! hold off;