Mercurial > octave
view scripts/plot/draw/ribbon.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 | 86d8801a14dd |
children | bac0d6f07a3e |
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## Copyright (C) 2007-2015 Kai Habel ## ## 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 {} {} ribbon (@var{y}) ## @deftypefnx {} {} ribbon (@var{x}, @var{y}) ## @deftypefnx {} {} ribbon (@var{x}, @var{y}, @var{width}) ## @deftypefnx {} {} ribbon (@var{hax}, @dots{}) ## @deftypefnx {} {@var{h} =} ribbon (@dots{}) ## Draw a ribbon plot for the columns of @var{y} vs. @var{x}. ## ## If @var{x} is omitted, a vector containing the row numbers is assumed ## (@code{1:rows (Y)}). Alternatively, @var{x} can also be a vector with ## same number of elements as rows of @var{y} in which case the same ## @var{x} is used for each column of @var{y}. ## ## The optional parameter @var{width} specifies the width of a single ribbon ## (default is 0.75). ## ## If the first argument @var{hax} is an axes handle, then plot into this axis, ## rather than the current axes returned by @code{gca}. ## ## The optional return value @var{h} is a vector of graphics handles to ## the surface objects representing each ribbon. ## @seealso{surface, waterfall} ## @end deftypefn ## Author: Kai Habel <kai.habel at gmx.de> function h = ribbon (varargin) [hax, varargin, nargin] = __plt_get_axis_arg__ ("ribbon", varargin{:}); if (nargin < 1 || nargin > 3) print_usage (); endif if (nargin == 1) y = varargin{1}; if (isvector (y)) y = y(:); endif x = 1:rows(y); width = 0.75; elseif (nargin == 2) x = varargin{1}; y = varargin{2}; width = 0.75; else x = varargin{1}; y = varargin{2}; width = varargin{3}; endif if (! size_equal (x, y)) if (! isvector (x) || rows (y) != numel (x)) error (["ribbon: X must have the same dimensions as Y or be a " ... "vector with the same number of rows as Y"]); endif x = repmat (x(:), 1, columns (y)); endif oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); [nr, nc] = size (y); htmp = zeros (nc, 1); for c = nc:-1:1 zz = [y(:,c), y(:,c)]; yy = x(:,c); xx = [c - width / 2, c + width / 2]; [xx, yy] = meshgrid (xx, yy); cc = repmat (c, size (zz)); htmp(c) = surface (xx, yy, zz, cc); endfor if (! ishold ()) set (hax, "view", [-37.5, 30], "box", "off", "xgrid", "on", "ygrid", "on", "zgrid", "on"); endif unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect if (nargout > 0) h = htmp; endif endfunction %!demo %! clf; %! colormap ("default"); %! [x, y, z] = sombrero (); %! ribbon (y, z); %! title ("ribbon() plot of sombrero()"); %!FIXME: Could have some input validation tests here