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view scripts/plot/util/refreshdata.m @ 22302:1c4cd12987f5
Use Octave syntax in graphics demos.
* inputdlg.m, listdlg.m, waitbar.m, autumn.m, bone.m, cool.m, copper.m,
cubehelix.m, flag.m, gray.m, hot.m, hsv.m, jet.m, lines.m, ocean.m, pink.m,
prism.m, rainbow.m, rgbplot.m, spring.m, summer.m, viridis.m, white.m,
winter.m, annotation.m, axis.m, clabel.m, daspect.m, datetick.m, grid.m,
legend.m, lighting.m, material.m, pbaspect.m, shading.m, text.m, xlim.m,
ylim.m, zlim.m, area.m, bar.m, barh.m, camlight.m, colorbar.m, comet.m,
comet3.m, contour.m, contour3.m, contourf.m, cylinder.m, ellipsoid.m,
errorbar.m, ezcontour.m, ezcontourf.m, ezmesh.m, ezmeshc.m, ezplot.m,
ezplot3.m, ezsurf.m, ezsurfc.m, feather.m, fill.m, fplot.m, isocaps.m,
isonormals.m, isosurface.m, light.m, line.m, loglog.m, loglogerr.m, mesh.m,
meshc.m, meshz.m, pareto.m, patch.m, pcolor.m, pie.m, pie3.m, plot.m, plot3.m,
plotmatrix.m, plotyy.m, polar.m, quiver.m, quiver3.m, rectangle.m, ribbon.m,
rose.m, scatter.m, scatter3.m, semilogx.m, semilogxerr.m, semilogy.m,
semilogyerr.m, shrinkfaces.m, slice.m, smooth3.m, sombrero.m, stairs.m, stem.m,
stem3.m, stemleaf.m, surf.m, surfc.m, surfl.m, surfnorm.m, tetramesh.m,
trimesh.m, triplot.m, trisurf.m, waterfall.m, copyobj.m, hold.m, linkaxes.m,
linkprop.m, printd.m, refreshdata.m, subplot.m, zoom.m, pcr.m, dump_demos.m:
Use Octave syntax in graphics demos.
author | Rik <rik@octave.org> |
---|---|
date | Mon, 15 Aug 2016 15:15:30 -0700 |
parents | ffad2baa90f7 |
children | bac0d6f07a3e |
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## Copyright (C) 2008-2015 David Bateman ## ## 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 {} {} refreshdata () ## @deftypefnx {} {} refreshdata (@var{h}) ## @deftypefnx {} {} refreshdata (@var{h}, @var{workspace}) ## Evaluate any @samp{datasource} properties of the current figure and update ## the plot if the corresponding data has changed. ## ## If the first argument @var{h} is a list of graphic handles, then operate ## on these objects rather than the current figure returned by @code{gcf}. ## ## The optional second argument @var{workspace} can take the following values: ## ## @table @asis ## @item @qcode{"base"} ## Evaluate the datasource properties in the base workspace. (default). ## ## @item @qcode{"caller"} ## Evaluate the datasource properties in the workspace of the function ## that called @code{refreshdata}. ## @end table ## ## An example of the use of @code{refreshdata} is: ## ## @example ## @group ## x = 0:0.1:10; ## y = sin (x); ## plot (x, y, "ydatasource", "y"); ## for i = 1 : 100 ## pause (0.1); ## y = sin (x + 0.1*i); ## refreshdata (); ## endfor ## @end group ## @end example ## @end deftypefn function refreshdata (h, workspace) if (nargin == 0) h = gcf (); workspace = "base"; else if (iscell (h)) h = [h{:}]; endif if (! all (isfigure (h))) error ("refreshdata: H must be a list of figure handles"); endif if (nargin == 1) workspace = "base"; elseif (nargin == 2) if (! ischar (workspace) || ! any (strcmpi (workspace, {"base", "caller"}))) error ('refreshdata: WORKSPACE must be "base" or "caller"'); endif workspace = tolower (workspace); else print_usage (); endif endif h = findall (h); objs = []; props = {}; for i = 1 : numel (h) obj = get (h(i)); flds = fieldnames (obj); ## regexp() is proper way to do searching, but is 3X slower. ## Pretty unlikely that people are going to be adding datasource ## properties that are not, in fact, datasources. ## m = regexp (flds, '^.+datasource$'); m = strfind (flds, "datasource"); m = flds(! cellfun (@isempty, m)); for j = 1 : numel (m) if (isempty (obj.(m{j}))) continue; # datasource field doesn't point to anything endif expr = obj.(m{j}); # datasource field val = evalin (workspace, expr); pdname = m{j}(1:end-6); # property data name without "source" set (h(i), pdname, val); endfor endfor endfunction %!demo %! clf; %! x = 0:0.1:10; %! y = sin (x); %! plot (x, y, "ydatasource", "y"); %! title ("refreshdata() showing moving sine curve"); %! axis manual; %! for i = 1 : 100 %! pause (0); %! y = sin (x + 0.1 * i); %! refreshdata (gcf, "caller"); %! endfor