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view scripts/plot/draw/comet3.m @ 27898:4d6d21839dfd
remove Author: jwe and Adapted-by: jwe lines from source files
These lines have little meaning now in the age of modern version
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Files affected: url-transfer.cc, url-transfer.h, acot.m, acoth.m,
acsc.m, acsch.m, asec.m, asech.m, cot.m, coth.m, csc.m, csch.m, sec.m,
sech.m, cart2pol.m, cart2sph.m, deal.m, fliplr.m, flipud.m, int2str.m,
logspace.m, num2str.m, pol2cart.m, rot90.m, sortrows.m, sph2cart.m,
waitbar.m, doc.m, hsv2rgb.m, rgb2hsv.m, beep.m, isstr.m, setstr.m,
strmatch.m, cond.m, rank.m, trace.m, bug_report.m, cast.m, delete.m,
dir.m, list_primes.m, ls.m, ls_command.m, menu.m, pack.m, recycle.m,
substruct.m, version.m, glpk.m, axis.m, box.m, grid.m,
__axis_label__.m, text.m, title.m, view.m, xlabel.m, ylabel.m,
zlabel.m, bar.m, barh.m, comet3.m, hist.m, line.m, loglog.m, mesh.m,
patch.m, plot.m, polar.m, __bar__.m, __line__.m, __plt__.m,
__stem__.m, semilogx.m, semilogy.m, sombrero.m, stairs.m, stem.m,
surface.m, __default_plot_options__.m, __gnuplot_drawnow__.m,
__next_line_color__.m, __plt_get_axis_arg__.m, __pltopt__.m, clf.m,
closereq.m, gca.m, gnuplot_binary.in.m, isfigure.m, meshgrid.m,
__gnuplot_draw_axes__.m, __gnuplot_draw_figure__.m, shg.m, addpref.m,
getpref.m, ispref.m, loadprefs.m, prefsfile.m, saveprefs.m, rmpref.m,
setpref.m, ismember.m, setdiff.m, union.m, hankel.m, hilb.m, vander.m,
median.m, std.m, cstrcat.m, isletter.m, str2num.m, strcat.m,
oruntests.m, rundemos.m, asctime.m, clock.m, ctime.m, date.m, etime.m,
is_leap_year.m.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 02 Jan 2020 15:43:01 -0500 |
parents | 5c46c13b43ad |
children | b442ec6dda5c |
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## Copyright (C) 2010-2019 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 ## <https://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} comet3 (@var{z}) ## @deftypefnx {} {} comet3 (@var{x}, @var{y}, @var{z}) ## @deftypefnx {} {} comet3 (@var{x}, @var{y}, @var{z}, @var{p}) ## @deftypefnx {} {} 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 @code{5 / numel (@var{z})}. ## ## If the first argument @var{hax} is an axes handle, then plot into this axes, ## rather than the current axes returned by @code{gca}. ## @seealso{comet} ## @end deftypefn 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 = 5 / numel (z); elseif (nargin == 3) x = varargin{1}; y = varargin{2}; z = varargin{3}; p = 5 / numel (z); 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 ## Initialize the timer t = p; timerid = tic (); 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)); pause (t - toc (timerid)); t += 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); %! hold off;