Mercurial > hg > octave-thorsten
view scripts/plot/comet.m @ 14245:4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
* contrast.m, axis.m, clabel.m, colorbar.m, comet.m, contour.m, contour3.m,
cylinder.m, daspect.m, errorbar.m, ezplot.m, fplot.m, grid.m, hold.m,
isosurface.m, legend.m, loglog.m, loglogerr.m, pareto.m, patch.m, pbaspect.m,
pie.m, pie3.m, plot3.m, plotmatrix.m, plotyy.m, quiver.m, quiver3.m,
rectangle.m, refreshdata.m, scatter.m, scatter3.m, semilogx.m, semilogxerr.m,
semilogy.m, semilogyerr.m, shading.m, stem.m, subplot.m, text.m, title.m,
trimesh.m, triplot.m, trisurf.m, uigetdir.m, uigetfile.m, uimenu.m,
uiputfile.m, waitbar.m, xlim.m, ylim.m, zlim.m: Use Matlab coding conventions
for demos so that compare plots scripts will function.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Sun, 22 Jan 2012 07:31:32 -0800 |
parents | 11949c9795a0 |
children | 5d3a684236b0 |
line wrap: on
line source
## Copyright (C) 2008-2012 Ben Abbott ## ## 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} {} comet (@var{y}) ## @deftypefnx {Function File} {} comet (@var{x}, @var{y}) ## @deftypefnx {Function File} {} comet (@var{x}, @var{y}, @var{p}) ## @deftypefnx {Function File} {} comet (@var{ax}, @dots{}) ## Produce a simple comet style animation along the trajectory provided by ## the input coordinate vectors (@var{x}, @var{y}), where @var{x} will default ## to the indices of @var{y}. ## ## The speed of the comet may be controlled by @var{p}, which represents the ## time which passes as the animation passes from one point to the next. The ## default for @var{p} is 0.1 seconds. ## ## If @var{ax} is specified the animation is produced in that axis rather than ## the @code{gca}. ## @end deftypefn ## Author: Ben Abbott bpabbott@mac.com ## Created: 2008-09-21 function comet (varargin) [h, varargin, nargin] = __plt_get_axis_arg__ ("comet", varargin{:}); if (nargin == 0) print_usage (); elseif (nargin == 1) y = varargin{1}; x = 1:numel(y); p = 0.1; elseif (nargin == 2) x = varargin{1}; y = varargin{2}; p = 0.1; elseif (nargin == 3) x = varargin{1}; y = varargin{2}; p = varargin{3}; endif oldh = gca (); unwind_protect axes (h); newplot (); theaxis = [min(x), max(x), min(y), max(y)]; num = numel (y); dn = round (num/10); for n = 1:(num+dn); m = n - dn; m = max ([m, 1]); k = min ([n, num]); h = plot (x(1:m), y(1:m), "r", x(m:k), y(m:k), "g", x(k), y(k), "ob"); axis (theaxis); drawnow (); pause (p); endfor unwind_protect_cleanup axes (oldh); end_unwind_protect endfunction %!demo %! clf; %! t = 0:.1:2*pi; %! x = cos (2*t) .* (cos (t).^2); %! y = sin (2*t) .* (sin (t).^2); %! comet (x, y);