Mercurial > octave-nkf
view scripts/plot/draw/surface.m @ 19631:db92e7e28e1f
strip trailing whitespace from most source files
* NEWS, doc/interpreter/contributors.in, doc/interpreter/func.txi,
doc/interpreter/genpropdoc.m, doc/interpreter/octave_logo.eps,
doc/interpreter/plot.txi, doc/interpreter/stmt.txi,
examples/data/Makefile.am, libinterp/corefcn/data.cc,
libinterp/corefcn/debug.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/load-path.cc, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/pt-jit.cc, libinterp/corefcn/strfind.cc,
libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/variables.cc,
libinterp/octave-value/ov-classdef.cc,
libinterp/octave-value/ov-classdef.h, libinterp/octave.cc,
libinterp/parse-tree/lex.h, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/pt-classdef.h, liboctave/system/file-ops.cc,
liboctave/system/oct-env.cc, m4/acinclude.m4,
scripts/deprecated/finite.m, scripts/deprecated/fmod.m,
scripts/deprecated/fnmatch.m, scripts/deprecated/luinc.m,
scripts/deprecated/octave_tmp_file_name.m, scripts/deprecated/syl.m,
scripts/deprecated/usage.m, scripts/general/inputParser.m,
scripts/general/interp1.m, scripts/general/interp2.m,
scripts/general/interp3.m, scripts/general/isequal.m,
scripts/general/private/__isequal__.m, scripts/geometry/voronoi.m,
scripts/image/image.m, scripts/image/imshow.m,
scripts/image/ind2rgb.m, scripts/linear-algebra/bandwidth.m,
scripts/linear-algebra/isbanded.m, scripts/miscellaneous/bzip2.m,
scripts/miscellaneous/cast.m, scripts/miscellaneous/copyfile.m,
scripts/miscellaneous/delete.m, scripts/miscellaneous/fullfile.m,
scripts/miscellaneous/getappdata.m, scripts/miscellaneous/gunzip.m,
scripts/miscellaneous/isappdata.m, scripts/miscellaneous/ls.m,
scripts/miscellaneous/mex.m, scripts/miscellaneous/movefile.m,
scripts/miscellaneous/orderfields.m, scripts/miscellaneous/recycle.m,
scripts/miscellaneous/rmappdata.m, scripts/miscellaneous/setfield.m,
scripts/miscellaneous/symvar.m, scripts/miscellaneous/tar.m,
scripts/miscellaneous/tmpnam.m, scripts/miscellaneous/unpack.m,
scripts/miscellaneous/ver.m, scripts/miscellaneous/what.m,
scripts/miscellaneous/xor.m, scripts/miscellaneous/zip.m,
scripts/optimization/fminbnd.m, scripts/optimization/sqp.m,
scripts/path/private/getsavepath.m, scripts/path/savepath.m,
scripts/pkg/pkg.m, scripts/pkg/private/installed_packages.m,
scripts/plot/draw/plotyy.m, scripts/plot/draw/polar.m,
scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m,
scripts/plot/draw/private/__stem__.m, scripts/plot/draw/surface.m,
scripts/plot/draw/surfnorm.m, scripts/plot/util/copyobj.m,
scripts/plot/util/hgload.m, scripts/plot/util/hgsave.m,
scripts/plot/util/isprop.m, scripts/plot/util/linkprop.m,
scripts/plot/util/private/__go_draw_axes__.m, scripts/set/setdiff.m,
scripts/set/union.m, scripts/signal/periodogram.m,
scripts/sparse/eigs.m, scripts/sparse/ilu.m, scripts/sparse/qmr.m,
scripts/sparse/sprand.m, scripts/sparse/sprandn.m,
scripts/specfun/beta.m, scripts/specfun/ellipke.m,
scripts/specfun/isprime.m, scripts/statistics/base/lscov.m,
scripts/testfun/__run_test_suite__.m, scripts/testfun/test.m:
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author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 20 Jan 2015 10:29:54 -0500 |
parents | 0e1f5a750d00 |
children | 4197fc428c7d |
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## Copyright (C) 1993-2013 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 ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {} surface (@var{x}, @var{y}, @var{z}, @var{c}) ## @deftypefnx {Function File} {} surface (@var{x}, @var{y}, @var{z}) ## @deftypefnx {Function File} {} surface (@var{z}, @var{c}) ## @deftypefnx {Function File} {} surface (@var{z}) ## @deftypefnx {Function File} {} surface (@dots{}, @var{prop}, @var{val}, @dots{}) ## @deftypefnx {Function File} {} surface (@var{hax}, @dots{}) ## @deftypefnx {Function File} {@var{h} =} surface (@dots{}) ## Create a surface graphic object given matrices @var{x} and @var{y} from ## @code{meshgrid} and a matrix of values @var{z} corresponding to the ## @var{x} and @var{y} coordinates of the surface. ## ## If @var{x} and @var{y} are vectors, then a typical vertex is ## (@var{x}(j), @var{y}(i), @var{z}(i,j)). Thus, columns of @var{z} correspond ## to different @var{x} values and rows of @var{z} correspond to different ## @var{y} values. If only a single input @var{z} is given then @var{x} is ## taken to be @code{1:rows (@var{z})} and @var{y} is ## @code{1:columns (@var{z})}. ## ## Any property/value input pairs are assigned to the surface object. ## ## 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 graphics handle to the created ## surface object. ## @seealso{surf, mesh, patch, line} ## @end deftypefn ## Author: jwe function h = surface (varargin) [hax, varargin] = __plt_get_axis_arg__ ("surface", varargin{:}); if (isempty (hax)) hax = gca (); else hax = hax(1); endif [htmp, bad_usage] = __surface__ (hax, varargin{:}); if (bad_usage) print_usage (); endif if (nargout > 0) h = htmp; endif endfunction function [h, bad_usage] = __surface__ (ax, varargin) h = 0; bad_usage = false; firststring = find (cellfun ("isclass", varargin, "char"), 1); if (isempty (firststring)) firststring = nargin; endif switch (firststring) case 5 x = varargin{1}; y = varargin{2}; z = varargin{3}; c = varargin{4}; if (iscomplex (x) || iscomplex (y) || iscomplex (z) || iscomplex (c)) error ("mesh: X, Y, Z, C arguments must be real"); endif [z_nr, z_nc] = size (z); [c_nr, c_nc, c_np] = size (c); if (! (z_nr == c_nr && z_nc == c_nc && (c_np == 1 || c_np == 3))) error ("surface: Z and C must have the same size"); endif if (isvector (x) && isvector (y) && ismatrix (z)) if (rows (z) == length (y) && columns (z) == length (x)) x = x(:)'; y = y(:); else error ("surface: rows (Z) must be the same as length (Y) and columns (Z) must be the same as length (X)"); endif elseif (ismatrix (x) && ismatrix (y) && ismatrix (z)) if (! size_equal (x, y, z)) error ("surface: X, Y, and Z must have the same dimensions"); endif else error ("surface: X and Y must be vectors and Z must be a matrix"); endif case 4 x = varargin{1}; y = varargin{2}; z = varargin{3}; c = z; if (iscomplex (x) || iscomplex (y) || iscomplex (z)) error ("mesh: X, Y, Z arguments must be real"); endif if (isvector (x) && isvector (y) && ismatrix (z)) if (rows (z) == length (y) && columns (z) == length (x)) x = x(:)'; y = y(:); else error ("surface: rows (Z) must be the same as length (Y) and columns (Z) must be the same as length (X)"); endif elseif (ismatrix (x) && ismatrix (y) && ismatrix (z)) if (! size_equal (x, y, z)) error ("surface: X, Y, and Z must have the same dimensions"); endif else error ("surface: X and Y must be vectors and Z must be a matrix"); endif case 3 z = varargin{1}; c = varargin{2}; if (iscomplex (z) || iscomplex (c)) error ("mesh: X, C arguments must be real"); endif if (ismatrix (z) && !isvector (z) && !isscalar (z)) [nr, nc] = size (z); x = 1:nc; y = (1:nr)'; else error ("surface: Z argument must be a matrix"); endif case 2 z = varargin{1}; c = z; if (iscomplex (z)) error ("mesh: Z argument must be real"); endif if (ismatrix (z) && !isvector (z) && !isscalar (z)) [nr, nc] = size (z); x = 1:nc; y = (1:nr)'; else error ("surface: Z argument must be a matrix"); endif case 1 x = 1:3; y = x'; c = z = eye (3); otherwise bad_usage = true; return; endswitch if (firststring < nargin) other_args = varargin(firststring:end); else other_args = {}; # make a default surface object. endif h = __go_surface__ (ax, "xdata", x, "ydata", y, "zdata", z, "cdata", c, other_args{:}); if (! ishold ()) set (ax, "view", [0, 90], "box", "off"); endif endfunction ## Functional tests for surface() are in surf.m, surfc.m, surfl.m, and pcolor.m %!test %! hf = figure ("visible", "off"); %! unwind_protect %! h = surface; %! assert (findobj (hf, "type", "surface"), h); %! assert (get (h, "xdata"), 1:3, eps); %! assert (get (h, "ydata"), (1:3)', eps); %! assert (get (h, "zdata"), eye (3)); %! assert (get (h, "cdata"), eye (3)); %! assert (get (h, "type"), "surface"); %! assert (get (h, "linestyle"), get (0, "defaultsurfacelinestyle")); %! assert (get (h, "linewidth"), get (0, "defaultsurfacelinewidth"), eps); %! assert (get (h, "marker"), get (0, "defaultsurfacemarker")); %! assert (get (h, "markersize"), get (0, "defaultsurfacemarkersize")); %! unwind_protect_cleanup %! close (hf); %! end_unwind_protect