octave-nkf: scripts/plot/draw/ezsurf.m annotate

annotate scripts/plot/draw/ezsurf.m @ 17572:7bb76a22cde1

maint: Split scripts/plot directory into 4 pieces. scripts/gui : user-interface functions scripts/plot/appearance : functions controlling plot appearance scripts/plot/draw : plotting functions which produce graphs scripts/plot/util : low-level plotting functions and utilities. * scripts/gui/guidata.m, scripts/gui/guihandles.m, scripts/gui/module.mk, scripts/gui/private/__file_filter__.m, scripts/gui/private/__fltk_file_filter__.m, scripts/gui/private/__is_function__.m, scripts/gui/private/__uigetdir_fltk__.m, scripts/gui/private/__uigetfile_fltk__.m, scripts/gui/private/__uiobject_split_args__.m, scripts/gui/private/__uiputfile_fltk__.m, scripts/gui/uicontextmenu.m, scripts/gui/uicontrol.m, scripts/gui/uigetdir.m, scripts/gui/uigetfile.m, scripts/gui/uimenu.m, scripts/gui/uipanel.m, scripts/gui/uipushtool.m, scripts/gui/uiputfile.m, scripts/gui/uiresume.m, scripts/gui/uitoggletool.m, scripts/gui/uitoolbar.m, scripts/gui/uiwait.m, scripts/gui/waitbar.m, scripts/gui/waitforbuttonpress.m: Moved from scripts/plot to scripts/gui * scripts/plot/appearance/__clabel__.m, scripts/plot/appearance/__getlegenddata__.m, scripts/plot/appearance/axis.m, scripts/plot/appearance/box.m, scripts/plot/appearance/caxis.m, scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m, scripts/plot/appearance/diffuse.m, scripts/plot/appearance/grid.m, scripts/plot/appearance/gtext.m, scripts/plot/appearance/hidden.m, scripts/plot/appearance/legend.m, scripts/plot/appearance/orient.m, scripts/plot/appearance/pbaspect.m, scripts/plot/appearance/private/__axis_label__.m, scripts/plot/appearance/private/__axis_limits__.m, scripts/plot/appearance/shading.m, scripts/plot/appearance/specular.m, scripts/plot/appearance/text.m, scripts/plot/appearance/title.m, scripts/plot/appearance/view.m, scripts/plot/appearance/whitebg.m, scripts/plot/appearance/xlabel.m, scripts/plot/appearance/xlim.m, scripts/plot/appearance/ylabel.m, scripts/plot/appearance/ylim.m, scripts/plot/appearance/zlabel.m, scripts/plot/appearance/zlim.m: Moved from scripts/plot to subdir appearance. * scripts/plot/draw/area.m, scripts/plot/draw/bar.m, scripts/plot/draw/barh.m, scripts/plot/draw/colorbar.m, scripts/plot/draw/comet.m, scripts/plot/draw/comet3.m, scripts/plot/draw/compass.m, scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m, scripts/plot/draw/contourc.m, scripts/plot/draw/contourf.m, scripts/plot/draw/cylinder.m, scripts/plot/draw/ellipsoid.m, scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m, scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m, scripts/plot/draw/ezmeshc.m, scripts/plot/draw/ezplot.m, scripts/plot/draw/ezplot3.m, scripts/plot/draw/ezpolar.m, scripts/plot/draw/ezsurf.m, scripts/plot/draw/ezsurfc.m, scripts/plot/draw/feather.m, scripts/plot/draw/fill.m, scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m, scripts/plot/draw/isocolors.m, scripts/plot/draw/isonormals.m, scripts/plot/draw/isosurface.m, scripts/plot/draw/line.m, scripts/plot/draw/loglog.m, scripts/plot/draw/loglogerr.m, scripts/plot/draw/mesh.m, scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m, scripts/plot/draw/pareto.m, scripts/plot/draw/patch.m, scripts/plot/draw/pcolor.m, scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m, scripts/plot/draw/pie3.m, scripts/plot/draw/plot.m, scripts/plot/draw/plot3.m, scripts/plot/draw/plotmatrix.m, scripts/plot/draw/plotyy.m, scripts/plot/draw/polar.m, scripts/plot/draw/private/__add_datasource__.m, scripts/plot/draw/private/__bar__.m, scripts/plot/draw/private/__contour__.m, scripts/plot/draw/private/__errcomm__.m, scripts/plot/draw/private/__errplot__.m, scripts/plot/draw/private/__ezplot__.m, scripts/plot/draw/private/__interp_cube__.m, scripts/plot/draw/private/__line__.m, scripts/plot/draw/private/__marching_cube__.m, scripts/plot/draw/private/__patch__.m, scripts/plot/draw/private/__pie__.m, scripts/plot/draw/private/__plt__.m, scripts/plot/draw/private/__quiver__.m, scripts/plot/draw/private/__scatter__.m, scripts/plot/draw/private/__stem__.m, scripts/plot/draw/quiver.m, scripts/plot/draw/quiver3.m, scripts/plot/draw/rectangle.m, scripts/plot/draw/ribbon.m, scripts/plot/draw/rose.m, scripts/plot/draw/scatter.m, scripts/plot/draw/scatter3.m, scripts/plot/draw/semilogx.m, scripts/plot/draw/semilogxerr.m, scripts/plot/draw/semilogy.m, scripts/plot/draw/semilogyerr.m, scripts/plot/draw/shrinkfaces.m, scripts/plot/draw/slice.m, scripts/plot/draw/sombrero.m, scripts/plot/draw/sphere.m, scripts/plot/draw/stairs.m, scripts/plot/draw/stem.m, scripts/plot/draw/stem3.m, scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m, scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m, scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m, scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m, scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m, scripts/plot/draw/waterfall.m: Moved from plot/ to subdir draw. * scripts/plot/util/__actual_axis_position__.m, scripts/plot/util/__default_plot_options__.m, scripts/plot/util/__gnuplot_drawnow__.m, scripts/plot/util/__next_line_color__.m, scripts/plot/util/__next_line_style__.m, scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/__pltopt__.m, scripts/plot/util/allchild.m, scripts/plot/util/ancestor.m, scripts/plot/util/axes.m, scripts/plot/util/cla.m, scripts/plot/util/clf.m, scripts/plot/util/close.m, scripts/plot/util/closereq.m, scripts/plot/util/colstyle.m, scripts/plot/util/copyobj.m, scripts/plot/util/figure.m, scripts/plot/util/findall.m, scripts/plot/util/findfigs.m, scripts/plot/util/findobj.m, scripts/plot/util/gca.m, scripts/plot/util/gcbf.m, scripts/plot/util/gcbo.m, scripts/plot/util/gcf.m, scripts/plot/util/gco.m, scripts/plot/util/ginput.m, scripts/plot/util/gnuplot_binary.in, scripts/plot/util/graphics_toolkit.m, scripts/plot/util/hdl2struct.m, scripts/plot/util/hggroup.m, scripts/plot/util/hold.m, scripts/plot/util/isaxes.m, scripts/plot/util/isfigure.m, scripts/plot/util/ishghandle.m, scripts/plot/util/ishold.m, scripts/plot/util/isprop.m, scripts/plot/util/linkprop.m, scripts/plot/util/meshgrid.m, scripts/plot/util/ndgrid.m, scripts/plot/util/newplot.m, scripts/plot/util/print.m, scripts/plot/util/printd.m, scripts/plot/util/private/__add_default_menu__.m, scripts/plot/util/private/__fltk_ginput__.m, scripts/plot/util/private/__fltk_print__.m, scripts/plot/util/private/__ghostscript__.m, scripts/plot/util/private/__gnuplot_get_var__.m, scripts/plot/util/private/__gnuplot_ginput__.m, scripts/plot/util/private/__gnuplot_has_feature__.m, scripts/plot/util/private/__gnuplot_has_terminal__.m, scripts/plot/util/private/__gnuplot_open_stream__.m, scripts/plot/util/private/__gnuplot_print__.m, scripts/plot/util/private/__gnuplot_version__.m, scripts/plot/util/private/__go_draw_axes__.m, scripts/plot/util/private/__go_draw_figure__.m, scripts/plot/util/private/__print_parse_opts__.m, scripts/plot/util/private/__tight_eps_bbox__.m, scripts/plot/util/refresh.m, scripts/plot/util/refreshdata.m, scripts/plot/util/saveas.m, scripts/plot/util/shg.m, scripts/plot/util/struct2hdl.m, scripts/plot/util/subplot.m: Moved from plot to subdir util. * etc/HACKING: Updated directory structure info. * scripts/Makefile.am, scripts/plot/appearance/module.mk, scripts/plot/draw/module.mk, scripts/plot/util/module.mk: Added new directories to build system.

author	Rik <rik@octave.org>
date	Fri, 04 Oct 2013 17:09:08 -0700
parents	scripts/plot/ezsurf.m@bc924baa2c4e
children	d63878346099

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 14092 diff changeset	1 ## Copyright (C) 2007-2012 David Bateman
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	2 ##
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	3 ## This file is part of Octave.
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	4 ##
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	8 ## your option) any later version.
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	9 ##
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	13 ## General Public License for more details.
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	14 ##
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	16 ## along with Octave; see the file COPYING. If not, see
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	17 ## <http://www.gnu.org/licenses/>.
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	18
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
10793 be55736a0783 Grammarcheck the documentation from m-files. Rik <octave@nomad.inbox5.com> parents: 9245 diff changeset	20 ## @deftypefn {Function File} {} ezsurf (@var{f})
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	21 ## @deftypefnx {Function File} {} ezsurf (@var{fx}, @var{fy}, @var{fz})
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	22 ## @deftypefnx {Function File} {} ezsurf (@dots{}, @var{dom})
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	23 ## @deftypefnx {Function File} {} ezsurf (@dots{}, @var{n})
14359 7277fe922e99 doc: Use Octave preference for double quote in docstrings in scripts/ Rik <octave@nomad.inbox5.com> parents: 14335 diff changeset	24 ## @deftypefnx {Function File} {} ezsurf (@dots{}, "circ")
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	25 ## @deftypefnx {Function File} {} ezsurf (@var{hax}, @dots{})
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	26 ## @deftypefnx {Function File} {@var{h} =} ezsurf (@dots{})
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	27 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	28 ## Plot the surface defined by a function.
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	29 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	30 ## @var{f} is a string, inline function, or function handle with two arguments
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	31 ## defining the function. By default the plot is over the meshed domain
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	32 ## @code{-2pi <= @var{x} \| @var{y} <= 2pi} with 60 points in each dimension.
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	33 ##
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	34 ## If three functions are passed, then plot the parametrically defined
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	35 ## function @code{[@var{fx} (@var{s}, @var{t}), @var{fy} (@var{s}, @var{t}),
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	36 ## @var{fz} (@var{s}, @var{t})]}.
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	37 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	38 ## If @var{dom} is a two element vector, it represents the minimum and maximum
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	39 ## values of both @var{x} and @var{y}. If @var{dom} is a four element vector,
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	40 ## then the minimum and maximum values are @code{[xmin xmax ymin ymax]}.
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	41 ##
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	42 ## @var{n} is a scalar defining the number of points to use in each dimension.
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	43 ##
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17122 diff changeset	44 ## If the argument @qcode{"circ"} is given, then the function is plotted over
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 17122 diff changeset	45 ## a disk centered on the middle of the domain @var{dom}.
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	46 ##
17122 eaab03308c0b doc: Rewrite docstrings for most plot functions. Rik <rik@octave.org> parents: 16993 diff changeset	47 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
eaab03308c0b doc: Rewrite docstrings for most plot functions. Rik <rik@octave.org> parents: 16993 diff changeset	48 ## rather than the current axes returned by @code{gca}.
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	49 ##
14001 5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	50 ## The optional return value @var{h} is a graphics handle to the created
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	51 ## surface object.
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	52 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	53 ## Example 1: 2-argument function
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	54 ##
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	55 ## @example
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	56 ## @group
14327 4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	57 ## f = @@(x,y) sqrt (abs (x .* y)) ./ (1 + x.^2 + y.^2);
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	58 ## ezsurf (f, [-3, 3]);
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	59 ## @end group
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	60 ## @end example
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	61 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	62 ## Example 2: parametrically defined function
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	63 ##
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	64 ## @example
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	65 ## @group
14327 4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	66 ## fx = @@(s,t) cos (s) .* cos (t);
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	67 ## fy = @@(s,t) sin (s) .* cos (t);
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	68 ## fz = @@(s,t) sin (t);
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	69 ## ezsurf (fx, fy, fz, [-pi, pi, -pi/2, pi/2], 20);
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	70 ## @end group
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	71 ## @end example
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	72 ##
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	73 ## @seealso{surf, ezsurfc, ezplot, ezmesh, ezmeshc, shading}
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	74 ## @end deftypefn
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	75
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	76 function h = ezsurf (varargin)
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	77
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	78 [htmp, needusage] = __ezplot__ ("surf", varargin{:});
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	79
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	80 if (needusage)
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	81 print_usage ();
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	82 endif
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	83
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	84 if (nargout > 0)
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	85 h = htmp;
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	86 endif
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	87
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	88 endfunction
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	89
14001 5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	90
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	91 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	92 %! clf;
14247 c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	93 %! colormap ('default');
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	94 %! f = @(x,y) sqrt (abs (x .* y)) ./ (1 + x.^2 + y.^2);
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	95 %! ezsurf (f, [-3, 3]);
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	96
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	97 %!demo
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	98 %! clf;
14247 c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo. Rik <octave@nomad.inbox5.com> parents: 14237 diff changeset	99 %! colormap ('default');
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14359 diff changeset	100 %! fx = @(s,t) cos (s) .* cos (t);
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14359 diff changeset	101 %! fy = @(s,t) sin (s) .* cos (t);
7337 e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	102 %! fz = @(s,t) sin (t);
e70789e0cd92 [project @ 2007-12-28 21:04:44 by jwe] jwe parents: diff changeset	103 %! ezsurf (fx, fy, fz, [-pi,pi,-pi/2,pi/2], 20);
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	104 %! axis equal;
14001 5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761) Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	105
16993 78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	106 %!demo
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	107 %! clf;
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	108 %! colormap ('default');
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	109 %! f = @(x,y) x.^2 + y.^2;
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	110 %! subplot (1,2,1);
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	111 %! ezsurf (f, [-2,2]);
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	112 %! title ({'x^2 + y^2'; 'plotted over rectangular grid (default)'});
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	113 %! subplot (1,2,2);
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	114 %! ezsurf (f, [-2,2], 'circ');
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	115 %! title ({'x^2 + y^2'; 'plotted over circular disk with "circ"'});
78f57b14535c Overhaul ez* family of plot functions. Rik <rik@octave.org> parents: 14868 diff changeset	116

Mercurial > octave-nkf

annotate scripts/plot/draw/ezsurf.m @ 17572:7bb76a22cde1