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annotate scripts/plot/cla.m @ 17281:bc924baa2c4e

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doc: Add new @qcode macro for code samples which are quoted. Macro handles options ("on") or properties ("position") more elegantly than @code{"text"}. * doc/interpreter/macros.texi: Add new @qcode macro. * doc/interpreter/tips.txi: Add documentation about @qcode macro. * doc/interpreter/basics.txi, doc/interpreter/container.txi, doc/interpreter/emacs.txi, doc/interpreter/errors.txi, doc/interpreter/eval.txi, doc/interpreter/expr.txi, doc/interpreter/external.txi, doc/interpreter/func.txi, doc/interpreter/grammar.txi, doc/interpreter/image.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/io.txi, doc/interpreter/matrix.txi, doc/interpreter/numbers.txi, doc/interpreter/oop.txi, doc/interpreter/package.txi, doc/interpreter/plot.txi, doc/interpreter/quad.txi, doc/interpreter/sparse.txi, doc/interpreter/strings.txi, doc/interpreter/system.txi, doc/interpreter/vectorize.txi, libinterp/corefcn/balance.cc, libinterp/corefcn/bitfcns.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/conv2.cc, libinterp/corefcn/data.cc, libinterp/corefcn/debug.cc, libinterp/corefcn/defaults.cc, libinterp/corefcn/dirfns.cc, libinterp/corefcn/dlmread.cc, libinterp/corefcn/error.cc, libinterp/corefcn/file-io.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gammainc.cc, libinterp/corefcn/graphics.cc, libinterp/corefcn/help.cc, libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc, libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc, libinterp/corefcn/ls-oct-ascii.cc, libinterp/corefcn/lu.cc, libinterp/corefcn/luinc.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc, libinterp/corefcn/pager.cc, libinterp/corefcn/pr-output.cc, libinterp/corefcn/pt-jit.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/rand.cc, libinterp/corefcn/regexp.cc, libinterp/corefcn/schur.cc, libinterp/corefcn/sighandlers.cc, libinterp/corefcn/sparse.cc, libinterp/corefcn/spparms.cc, libinterp/corefcn/str2double.cc, libinterp/corefcn/svd.cc, libinterp/corefcn/symtab.cc, libinterp/corefcn/syscalls.cc, libinterp/corefcn/toplev.cc, libinterp/corefcn/tril.cc, libinterp/corefcn/typecast.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/chol.cc, libinterp/dldfcn/colamd.cc, libinterp/dldfcn/fftw.cc, libinterp/dldfcn/qr.cc, libinterp/dldfcn/symbfact.cc, libinterp/octave-value/ov-base.cc, libinterp/octave-value/ov-fcn-handle.cc, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-range.cc, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-usr-fcn.cc, libinterp/parse-tree/oct-parse.in.yy, libinterp/parse-tree/pt-binop.cc, libinterp/parse-tree/pt-eval.cc, libinterp/parse-tree/pt-mat.cc, scripts/@ftp/ftp.m, scripts/deprecated/java_convert_matrix.m, scripts/deprecated/java_debug.m, scripts/deprecated/java_unsigned_conversion.m, scripts/deprecated/shell_cmd.m, scripts/general/dblquad.m, scripts/general/display.m, scripts/general/genvarname.m, scripts/general/idivide.m, scripts/general/interp1.m, scripts/general/interp2.m, scripts/general/interp3.m, scripts/general/interpn.m, scripts/general/isa.m, scripts/general/profexplore.m, scripts/general/profile.m, scripts/general/quadgk.m, scripts/general/randi.m, scripts/general/structfun.m, scripts/general/subsindex.m, scripts/general/triplequad.m, scripts/geometry/griddata.m, scripts/geometry/griddata3.m, scripts/geometry/griddatan.m, scripts/geometry/voronoi.m, scripts/help/help.m, scripts/help/lookfor.m, scripts/image/cmpermute.m, scripts/image/colormap.m, scripts/image/image.m, scripts/image/imagesc.m, scripts/image/imfinfo.m, scripts/image/imformats.m, scripts/image/imread.m, scripts/image/imshow.m, scripts/image/imwrite.m, scripts/image/ind2gray.m, scripts/image/lines.m, scripts/image/rgb2ind.m, scripts/image/spinmap.m, scripts/io/dlmwrite.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/java/javaclasspath.m, scripts/java/usejava.m, scripts/miscellaneous/bzip2.m, scripts/miscellaneous/computer.m, scripts/miscellaneous/copyfile.m, scripts/miscellaneous/debug.m, scripts/miscellaneous/dos.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/license.m, scripts/miscellaneous/mkoctfile.m, scripts/miscellaneous/movefile.m, scripts/miscellaneous/parseparams.m, scripts/miscellaneous/unix.m, scripts/optimization/fminbnd.m, scripts/optimization/fminsearch.m, scripts/optimization/fminunc.m, scripts/optimization/fsolve.m, scripts/optimization/fzero.m, scripts/optimization/glpk.m, scripts/optimization/lsqnonneg.m, scripts/optimization/optimset.m, scripts/optimization/pqpnonneg.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/bar.m, scripts/plot/barh.m, scripts/plot/box.m, scripts/plot/caxis.m, scripts/plot/cla.m, scripts/plot/clabel.m, scripts/plot/clf.m, scripts/plot/close.m, scripts/plot/colorbar.m, scripts/plot/daspect.m, scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezsurf.m, scripts/plot/ezsurfc.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gcbo.m, scripts/plot/gcf.m, scripts/plot/gco.m, scripts/plot/grid.m, scripts/plot/guihandles.m, scripts/plot/hdl2struct.m, scripts/plot/hidden.m, scripts/plot/hold.m, scripts/plot/isonormals.m, scripts/plot/isosurface.m, scripts/plot/legend.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshz.m, scripts/plot/newplot.m, scripts/plot/orient.m, scripts/plot/pareto.m, scripts/plot/patch.m, scripts/plot/pbaspect.m, scripts/plot/pcolor.m, scripts/plot/plot.m, scripts/plot/print.m, scripts/plot/private/__add_default_menu__.m, scripts/plot/quiver.m, scripts/plot/quiver3.m, scripts/plot/refreshdata.m, scripts/plot/saveas.m, scripts/plot/scatter.m, scripts/plot/scatter3.m, scripts/plot/shading.m, scripts/plot/shrinkfaces.m, scripts/plot/slice.m, scripts/plot/stem.m, scripts/plot/stem3.m, scripts/plot/struct2hdl.m, scripts/plot/subplot.m, scripts/plot/surf.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/tetramesh.m, scripts/plot/uigetfile.m, scripts/plot/uimenu.m, scripts/plot/uiputfile.m, scripts/plot/waterfall.m, scripts/plot/whitebg.m, scripts/plot/xlim.m, scripts/plot/ylim.m, scripts/plot/zlim.m, scripts/polynomial/conv.m, scripts/polynomial/polyout.m, scripts/polynomial/splinefit.m, scripts/set/ismember.m, scripts/set/powerset.m, scripts/set/setdiff.m, scripts/set/union.m, scripts/set/unique.m, scripts/signal/detrend.m, scripts/signal/filter2.m, scripts/signal/freqz.m, scripts/signal/periodogram.m, scripts/signal/spectral_adf.m, scripts/signal/spectral_xdf.m, scripts/sparse/eigs.m, scripts/sparse/svds.m, scripts/specfun/legendre.m, scripts/special-matrix/gallery.m, scripts/statistics/base/mean.m, scripts/statistics/base/moment.m, scripts/statistics/tests/cor_test.m, scripts/statistics/tests/kolmogorov_smirnov_test.m, scripts/statistics/tests/kolmogorov_smirnov_test_2.m, scripts/statistics/tests/kruskal_wallis_test.m, scripts/statistics/tests/prop_test_2.m, scripts/statistics/tests/sign_test.m, scripts/statistics/tests/t_test.m, scripts/statistics/tests/t_test_2.m, scripts/statistics/tests/t_test_regression.m, scripts/statistics/tests/u_test.m, scripts/statistics/tests/var_test.m, scripts/statistics/tests/welch_test.m, scripts/statistics/tests/wilcoxon_test.m, scripts/statistics/tests/z_test.m, scripts/statistics/tests/z_test_2.m, scripts/strings/base2dec.m, scripts/strings/index.m, scripts/strings/isstrprop.m, scripts/strings/mat2str.m, scripts/strings/regexptranslate.m, scripts/strings/rindex.m, scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strjust.m, scripts/strings/strmatch.m, scripts/strings/validatestring.m, scripts/testfun/demo.m, scripts/testfun/example.m, scripts/testfun/test.m, scripts/time/addtodate.m, scripts/time/asctime.m, scripts/time/datestr.m, scripts/time/datetick.m, scripts/time/weekday.m, scripts/ui/errordlg.m, scripts/ui/helpdlg.m, scripts/ui/inputdlg.m, scripts/ui/listdlg.m, scripts/ui/msgbox.m, scripts/ui/questdlg.m, scripts/ui/warndlg.m: Use new @qcode macro.
author Rik <rik@octave.org>
date Mon, 19 Aug 2013 20:46:38 -0700
parents b5d6314314fc
children 0aa77acf22f5
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1 ## Copyright (C) 2008-2012 Ben Abbott
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Command} {} cla
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21 ## @deftypefnx {Command} {} cla reset
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22 ## @deftypefnx {Function File} {} cla (@var{hax})
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23 ## @deftypefnx {Function File} {} cla (@var{hax}, "reset")
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24 ## Clear the current axes.
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25 ##
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26 ## @code{cla} operates by deleting child graphic objects with visible
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27 ## handles (HandleVisibility = @qcode{"on"}).
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28 ##
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29 ## If the optional argument @qcode{"reset"} is specified, delete all child
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30 ## objects including those with hidden handles and reset all axis properties
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31 ## to their defaults. However, the following properties are not reset:
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32 ## Position, Units.
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33 ##
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34 ## If the first argument @var{hax} is an axes handle, then operate on
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35 ## this axis rather than the current axes returned by @code{gca}.
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36 ## @seealso{clf}
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37 ## @end deftypefn
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38
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39 ## Author: Ben Abbott <bpabbott@mac.com>
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40 ## Created: 2008-10-03
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41
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42 function cla (varargin)
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43
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44 if (nargin > 2)
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45 print_usage ();
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46 elseif (nargin == 0)
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47 hax = gca;
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48 do_reset = false;
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49 elseif (nargin == 1)
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50 if (isscalar (varargin{1}) && isaxes (varargin{1}))
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51 hax = varargin{1};
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52 do_reset = false;
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53 elseif (ischar (varargin{1}) && strcmpi (varargin{1}, "reset"))
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54 hax = gca;
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55 do_reset = true;
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56 else
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57 print_usage ();
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58 endif
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59 else
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60 if (isscalar (varargin{1}) && isaxes (varargin{1})
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61 && ischar (varargin{2}) && strcmpi (varargin{2}, "reset"))
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62 hax = varargin{1};
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63 do_reset = true;
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64 else
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65 print_usage ();
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66 endif
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67 endif
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68
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69 if (! do_reset)
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70 delete (get (hax, "children"));
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71 else
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72 __go_axes_init__ (hax, "replace");
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73 __request_drawnow__ ();
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74 endif
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75
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76 endfunction
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77
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78
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79 %!test
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80 %! hf = figure ("visible", "off");
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81 %! unwind_protect
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82 %! plot (1:10);
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83 %! assert (! isempty (get (gca, "children")));
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84 %! cla ();
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85 %! assert (isempty (get (gca, "children")));
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bca580bbda02 cla.m: Fix error when no children to clear.
Ben Abbott <bpabbott@mac.com>
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86 %! unwind_protect_cleanup
14363
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Rik <octave@nomad.inbox5.com>
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87 %! close (hf);
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bca580bbda02 cla.m: Fix error when no children to clear.
Ben Abbott <bpabbott@mac.com>
parents: 8199
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88 %! end_unwind_protect
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Rik <octave@nomad.inbox5.com>
parents: 14138
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89
17081
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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90 %!test
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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91 %! hf = figure ("visible", "off");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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92 %! unwind_protect
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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93 %! hax = gca;
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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94 %! plot (hax, 1:10);
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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95 %! set (hax, "interpreter", "tex");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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96 %! cla (hax);
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Rik <rik@octave.org>
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97 %! kids = get (hax, "children");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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98 %! assert (numel (kids), 0);
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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99 %! assert (get (hax, "interpreter"), "tex");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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100 %! plot (hax, 1:10);
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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101 %! cla (hax, "reset");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
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102 %! kids = get (hax, "children");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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103 %! assert (numel (kids), 0);
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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104 %! assert (get (hax, "interpreter"), "none");
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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105 %! unwind_protect_cleanup
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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106 %! close (hf);
86067af51d5e Truly reset axes so that all properties are set to default.
Rik <rik@octave.org>
parents: 14363
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107 %! end_unwind_protect
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Rik <rik@octave.org>
parents: 14363
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108