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annotate scripts/plot/refreshdata.m @ 13141:e81ddf9cacd5

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maint: untabify and remove trailing whitespace from source files * bicg.m, gmres.m, pkg.m: Untabify and remove trailing whitespace. * libcruft/Makefile.am, libcruft/blas-xtra/cdotc3.f, libcruft/blas-xtra/cmatm3.f, libcruft/blas-xtra/ddot3.f, libcruft/blas-xtra/dmatm3.f, libcruft/blas-xtra/sdot3.f, libcruft/blas-xtra/smatm3.f, libcruft/blas-xtra/zdotc3.f, libcruft/blas-xtra/zmatm3.f, libcruft/lapack-xtra/crsf2csf.f, libcruft/lapack-xtra/zrsf2csf.f, liboctave/Array.cc, liboctave/DASPK-opts.in, liboctave/DASRT-opts.in, liboctave/DASSL-opts.in, liboctave/LSODE-opts.in, liboctave/Makefile.a,mliboctave/Quad-opts.in, liboctave/Sparse-perm-op-defs.h, scripts/Makefile.a,mscripts/deprecated/glpkmex.m, scripts/general/blkdiag.m, scripts/general/interp1.m, scripts/general/profshow.m, scripts/general/quadl.m, scripts/general/triplequad.m, scripts/help/__makeinfo__.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/linear-algebra/rank.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/private/__xzip__.m, scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/cla.m, scripts/plot/clf.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gca.m, scripts/plot/gcf.m, scripts/plot/hggroup.m, scripts/plot/isfigure.m, scripts/plot/ishghandle.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/loglog.m, scripts/plot/patch.m, scripts/plot/print.m, scripts/plot/private/__quiver__.m, scripts/plot/private/__scatter__.m, scripts/plot/rectangle.m, scripts/plot/semilogx.m, scripts/plot/semilogy.m, scripts/plot/surface.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m, scripts/polynomial/mkpp.m, scripts/polynomial/polygcd.m, scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m, scripts/polynomial/ppval.m, scripts/set/setxor.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/spconvert.m, scripts/specfun/nthroot.m, scripts/strings/strmatch.m, scripts/strings/untabify.m, scripts/testfun/demo.m, scripts/testfun/example.m, src/DLD-FUNCTIONS/filter.cc, src/DLD-FUNCTIONS/mgorth.cc, src/DLD-FUNCTIONS/quadcc.cc, src/DLD-FUNCTIONS/str2double.cc, src/Makefile.a,msrc/gl-render.cc, src/gl2ps-renderer.cc, src/graphics.cc, src/octave-config.cc.in, src/octave-config.in, src/ov-class.h, src/ov-fcn.h, src/profiler.cc, src/profiler.h, src/pt-binop.cc, src/pt-unop.cc, src/symtab.cc, src/txt-eng-ft.cc: Remove trailing whitespace.
author John W. Eaton <jwe@octave.org>
date Thu, 15 Sep 2011 12:51:10 -0400
parents cefd568ea073
children 22c50cbad2ce
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rev   line source
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1 ## Copyright (C) 2008-2011 David Bateman
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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 {Function File} {} refreshdata ()
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21 ## @deftypefnx {Function File} {} refreshdata (@var{h})
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22 ## @deftypefnx {Function File} {} refreshdata (@var{h}, @var{workspace})
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23 ## Evaluate any @samp{datasource} properties of the current figure and update
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24 ## the plot if the corresponding data has changed. If called with one or more
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25 ## arguments @var{h} is a scalar or array of figure handles to refresh. The
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26 ## optional second argument @var{workspace} can take the following values.
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27 ##
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28 ## @table @asis
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29 ## @item "base"
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30 ## Evaluate the datasource properties in the base workspace. (default).
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31 ##
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32 ## @item "caller"
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33 ## Evaluate the datasource properties in the workspace of the function
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34 ## that called @code{refreshdata}.
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35 ## @end table
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36 ##
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37 ## An example of the use of @code{refreshdata} is:
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38 ##
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39 ## @example
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40 ## @group
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41 ## x = 0:0.1:10;
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42 ## y = sin (x);
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43 ## plot (x, y, "ydatasource", "y");
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44 ## for i = 1 : 100
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45 ## pause(0.1)
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46 ## y = sin (x + 0.1 * i);
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47 ## refreshdata();
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48 ## endfor
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49 ## @end group
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50 ## @end example
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51 ## @end deftypefn
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52
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53 function refreshdata (h, workspace)
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54
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55 if (nargin == 0)
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56 h = gcf ();
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57 workspace = "base";
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58 else
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59 if (iscell (h))
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60 h = [h{:}];
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61 endif
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62 if (!all (ishandle (h)) || !all (strcmp (get (h, "type"), "figure")))
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63 error ("refreshdata: expecting a list of figure handles");
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64 endif
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65 if (nargin < 2)
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66 workspace = "base";
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67 else
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68 if ( !ischar (workspace)
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69 || !(strcmpi (workspace, "base")
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70 || strcmpi (workspace, "caller")))
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71 error ("refreshdata: expecting WORKSPACE to be \"base\" or ""caller\"");
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72 else
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73 workspace = tolower (workspace);
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74 endif
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75 endif
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76 endif
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77
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78 h = findall (h);
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79 objs = [];
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80 props = {};
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81
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82 for i = 1 : numel (h)
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83 obj = get (h (i));
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84 fldnames = fieldnames (obj);
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85 m = regexpi (fieldnames(obj), '^.+datasource$', "match");
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86 idx = ! cellfun ("isempty", m);
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87 if (any (idx))
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88 tmp = m(idx);
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89 props = [props; {vertcat(tmp{:})}];
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90 objs = [objs ; h(i)];
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91 endif
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92 endfor
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93
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94 for i = 1 : length (objs)
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95 for j = 1 : length (props {i})
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96 expr = get (objs(i), props{i}{j});
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97 if (!isempty (expr))
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98 val = evalin (workspace, expr);
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99 prop = props{i}{j}(1:end-6);
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100 if (! isequal (get (objs(i), prop), val))
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101 set (objs(i), props{i}{j}(1:end-6), val);
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102 endif
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103 endif
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104 endfor
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105 endfor
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106 endfunction
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107
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108 %!demo
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109 %! x = 0:0.1:10;
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110 %! y = sin (x);
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111 %! plot (x, y, "ydatasource", "y");
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112 %! for i = 1 : 100
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113 %! pause(0.1)
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114 %! y = sin (x + 0.1 * i);
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115 %! refreshdata(gcf(), "caller");
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116 %! endfor