Mercurial > hg > octave-lyh
view scripts/plot/hidden.m @ 17036:08dd9458684a
Overhaul __plt_get_axis_arg__ and newplot functions to avoid creating unnecessary axes.
* scripts/plot/__plt_get_axis_arg__.m: Only return an axis handle if found in
argument list. Do not create any figures or axes.
* scripts/plot/newplot.m: Overhaul to allow specifying an axis handle input.
Prepare figure and axes according to Matlab conventions.
* scripts/plot/line.m: Never call newplot() for a core graphic object.
Always plot into gca.
* scripts/plot/plot.m: Update to use new __plt_get_axis_arg__ and newplot
functions.
author | Rik <rik@octave.org> |
---|---|
date | Wed, 24 Jul 2013 23:05:37 -0700 |
parents | b59919bd2b0b |
children | eaab03308c0b |
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## Copyright (C) 2007-2012 Michael Goffioul ## ## 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} {} hidden () ## @deftypefnx {Function File} {} hidden ("on") ## @deftypefnx {Function File} {} hidden ("off") ## @deftypefnx {Function File} {@var{state} =} hidden (@dots{}) ## Control mesh hidden line removal. ## ## When called with no argument the hidden line removal state is toggled. ## When called with one of the modes "on" or "off" the state is set accordingly. ## ## The optional output argument @var{mode} is the current state. ## ## Hidden Line Removal determines what graphic objects behind a mesh plot ## are visible. The default is for the mesh to be opaque and lines behind ## the mesh are not visible. If hidden line removal is turned off then ## objects behind the mesh can be seen through the faces (openings) of the ## mesh, although the mesh grid lines are still opaque. ## ## @seealso{mesh, meshc, meshz, ezmesh, ezmeshc} ## @end deftypefn function state = hidden (mode = "toggle") if (nargin > 2) print_usage (); elseif (nargin == 1) if (! ischar (mode)) error ("hidden: expecting MODE to be a string"); elseif (! any (strcmpi (mode, {"on", "off"}))) error ('hidden: MODE must be "on" or "off"'); endif endif for h = (get (gca (), "children")).'; htype = get (h, "type"); if (strcmp (htype, "surface")) fc = get (h, "facecolor"); if ((! ischar (fc) && is_white (fc)) || (ischar (fc) && strcmp (fc, "none"))) switch (mode) case "on" set (h, "facecolor", "w"); case "off" set (h, "facecolor", "none"); case "toggle" if (ischar (fc)) set (h, "facecolor", "w"); mode = "on"; else set (h, "facecolor", "none"); mode = "off"; endif endswitch endif endif endfor if (nargout > 0) state = mode; endif endfunction function retval = is_white (color) retval = all (color == 1); endfunction