annotate scripts/plot/appearance/datetick.m @ 20173:777f26aa8e3e stable

doc: Update more docstrings to have one sentence summary as first line. Reviewed plot/ and gui/ in scripts directory. * scripts/gui/errordlg.m, scripts/gui/helpdlg.m, scripts/gui/inputdlg.m, scripts/gui/listdlg.m, scripts/gui/msgbox.m, scripts/gui/private/__get_funcname__.m, scripts/gui/private/__uiobject_split_args__.m, scripts/gui/questdlg.m, scripts/gui/uigetdir.m, scripts/gui/uigetfile.m, scripts/gui/uiwait.m, scripts/gui/waitbar.m, scripts/gui/warndlg.m, scripts/plot/appearance/annotation.m, scripts/plot/appearance/axis.m, scripts/plot/appearance/box.m, scripts/plot/appearance/caxis.m, scripts/plot/appearance/datetick.m, scripts/plot/appearance/hidden.m, scripts/plot/appearance/legend.m, scripts/plot/appearance/xlim.m, scripts/plot/appearance/ylim.m, scripts/plot/appearance/zlim.m, scripts/plot/draw/area.m, scripts/plot/draw/comet.m, scripts/plot/draw/comet3.m, scripts/plot/draw/contour.m, scripts/plot/draw/contourf.m, scripts/plot/draw/isocolors.m, scripts/plot/draw/isonormals.m, scripts/plot/draw/isosurface.m, scripts/plot/draw/plotmatrix.m, scripts/plot/draw/quiver.m, scripts/plot/draw/quiver3.m, scripts/plot/draw/ribbon.m, scripts/plot/draw/semilogxerr.m, scripts/plot/draw/semilogyerr.m, scripts/plot/draw/sphere.m, scripts/plot/draw/surfl.m, scripts/plot/draw/tetramesh.m, scripts/plot/util/allchild.m, scripts/plot/util/ancestor.m, scripts/plot/util/axes.m, scripts/plot/util/colstyle.m, scripts/plot/util/frame2im.m, scripts/plot/util/gnuplot_binary.in, scripts/plot/util/hgsave.m, scripts/plot/util/im2frame.m, scripts/plot/util/isaxes.m, scripts/plot/util/isfigure.m, scripts/plot/util/linkaxes.m, scripts/plot/util/ndgrid.m, scripts/plot/util/pan.m, scripts/plot/util/print.m, scripts/plot/util/printd.m, scripts/plot/util/private/__add_default_menu__.m, scripts/plot/util/rotate.m, scripts/plot/util/rotate3d.m, scripts/plot/util/saveas.m, scripts/plot/util/struct2hdl.m, scripts/plot/util/subplot.m, scripts/plot/util/zoom.m: Update more docstrings to have one sentence summary as first line.
author Rik <rik@octave.org>
date Sat, 09 May 2015 22:50:09 -0700
parents 4197fc428c7d
children 7b608fadc663
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rev   line source
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1 ## Copyright (C) 2008-2015 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} {} datetick ()
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21 ## @deftypefnx {Function File} {} datetick (@var{form})
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22 ## @deftypefnx {Function File} {} datetick (@var{axis}, @var{form})
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23 ## @deftypefnx {Function File} {} datetick (@dots{}, "keeplimits")
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24 ## @deftypefnx {Function File} {} datetick (@dots{}, "keepticks")
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25 ## @deftypefnx {Function File} {} datetick (@var{hax}, @dots{})
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26 ## Add date formatted tick labels to an axis.
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27 ##
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28 ## The axis to apply the ticks to is determined by @var{axis} which can take
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29 ## the values @qcode{"x"}, @qcode{"y"}, or @qcode{"z"}. The default value is
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30 ## @qcode{"x"}.
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31 ##
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32 ## The formatting of the labels is determined by the variable @var{form}, which
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33 ## can either be a string or positive integer that @code{datestr} accepts.
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34 ## @seealso{datenum, datestr}
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35 ## @end deftypefn
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36
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37 function datetick (varargin)
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38
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39 [hax, varargin, nargin] = __plt_get_axis_arg__ ("datetick", varargin{:});
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40
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41 oldfig = [];
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42 if (! isempty (hax))
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43 oldfig = get (0, "currentfigure");
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44 endif
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45 if (isempty (hax))
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46 hax = gca ();
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47 endif
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48
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49 unwind_protect
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50 ## FIXME: This will bring the axes to the top of the stack.
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51 ## This may not be desirable if there are multiple axes objects,
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52 ## such as can occur with plotyy.
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53 axes (hax);
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54 __datetick__ (varargin{:});
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55 unwind_protect_cleanup
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56 if (! isempty (oldfig))
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57 set (0, "currentfigure", oldfig);
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58 endif
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59 end_unwind_protect
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60
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61 endfunction
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62
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63
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64 %!demo
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65 %! clf;
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66 %! yr = 1900:10:2000;
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67 %! pop = [76.094, 92.407, 106.461, 123.077 131.954, 151.868, 179.979, ...
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68 %! 203.984, 227.225, 249.623, 282.224];
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69 %! plot (datenum (yr, 1, 1), pop);
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70 %! title ('US population (millions)');
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71 %! xlabel ('Year');
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72 %! datetick ('x', 'YYYY');
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73
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74 %!demo
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75 %! clf;
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76 %! yr = 1988:2:2002;
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77 %! yr = datenum (yr,1,1);
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78 %! pr = [12.1 13.3 12.6 13.1 13.3 14.1 14.4 15.2];
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79 %! plot (yr, pr, '-o');
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80 %! xlabel ('year');
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81 %! ylabel ('average price');
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82 %! ax = gca;
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83 %! set (ax, 'xtick', datenum (1990:5:2005,1,1));
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84 %! datetick (2, 'x', 'keepticks');
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85 %! set (ax, 'ytick', 12:16);
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86
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87 ## Remove from test statistics. No real tests possible.
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88 %!assert (1)
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89
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90 function __datetick__ (varargin)
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91
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92 keeplimits = false;
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93 idx = strcmpi (varargin, "keeplimits");
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94 if (any (idx))
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95 keeplimits = true;
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96 varargin = varargin(! idx);
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97 endif
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98 keepticks = false;
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99 idx = strcmpi (varargin, "keepticks");
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100 if (any (idx))
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101 keepticks = true;
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102 varargin = varargin(! idx);
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103 endif
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104
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105 nargin = numel (varargin);
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106 form = [];
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107 ax = "x";
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108
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109 if (nargin != 0)
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110 arg = varargin{1};
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111 if (ischar (arg) && any (strcmpi (arg, {"x", "y", "z"})))
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112 ax = tolower (arg);
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113 if (nargin > 1)
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114 form = varargin{2};
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115 varargin(1:2) = [];
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116 else
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117 varargin(1) = [];
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118 endif
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119 else
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120 form = arg;
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121 varargin(1) = [];
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122 endif
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123 endif
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124
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125 ## Don't publish the existence of this variable for use with dateaxis
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126 if (length (varargin) > 0)
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127 startdate = varargin{1};
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128 else
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129 startdate = [];
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130 endif
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parents:
diff changeset
131
10151
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John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
132 if (! isempty (form))
c2f1cdb59821 datetick: make form argument optional
John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
133 if (isnumeric (form))
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
134 if (! isscalar (form) || form < 0 || form != fix (form))
11472
1740012184f9 Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents: 11294
diff changeset
135 error ("datetick: expecting FORM argument to be a positive integer");
10151
c2f1cdb59821 datetick: make form argument optional
John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
136 endif
c2f1cdb59821 datetick: make form argument optional
John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
137 elseif (! ischar (form))
c2f1cdb59821 datetick: make form argument optional
John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
138 error ("datetick: expecting valid date format string");
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
139 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
140 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
141
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
142 if (keepticks)
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
143 ticks = get (gca (), [ax "tick"]);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
144 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
145 ## Need to do our own axis tick position calculation as
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
146 ## year, etc, don't fallback on nice datenum values.
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14665
diff changeset
147 objs = findall (gca ());
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
148 xmax = NaN;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
149 xmin = NaN;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
150 for i = 1 : length (objs)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
151 fld = get (objs (i));
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
152 if (isfield (fld, [ax "data"]))
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
153 xdata = getfield (fld, [ax "data"])(:);
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
154 xmin = min (xmin, min (xdata));
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
155 xmax = max (xmax, max (xdata));
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
156 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
157 endfor
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
158
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
159 if (isnan (xmin) || isnan (xmax))
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
160 xmin = 0;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
161 xmax = 1;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
162 elseif (xmin == xmax)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
163 xmax = xmin + 1;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
164 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
165
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
166 N = 3;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
167 if (xmax - xmin < N)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
168 ## Day scale or less
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
169 if (xmax - xmin < N / 24 / 60 / 60)
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
170 scl = 1 / 24 / 60 / 60;
14665
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482)
David Bateman <dbateman@free.fr>
parents: 14552
diff changeset
171 elseif (xmax - xmin < N / 24 / 60)
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
172 scl = 1 / 24 / 60;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
173 else
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
174 scl = 1 / 24;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
175 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
176 sep = __calc_tick_sep__ (xmin / scl , xmax / scl);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
177 xmin = sep * floor (xmin / scl / sep);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
178 xmax = sep * ceil (xmax / scl / sep);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
179 nticks = (xmax - xmin) / sep + 1;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
180 xmin *= scl;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
181 xmax *= scl;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
182 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
183 [ymin, mmin, dmin] = datevec (xmin);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
184 [ymax, mmax, dmax] = datevec (xmax);
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
185 minyear = ymin + (mmin - 1) / 12 + (dmin - 1) / 12 / 30;
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
186 maxyear = ymax + (mmax - 1) / 12 + (dmax - 1) / 12 / 30;
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
187 minmonth = mmin + (dmin - 1) / 30;
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
188 maxmonth = (ymax - ymin) * 12 + mmax + (dmax - 1) / 30;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
189
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
190 if (maxmonth - minmonth < N)
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
191 sep = __calc_tick_sep__ (xmin, xmax);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
192 xmin = sep * floor (xmin / sep);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
193 xmax = sep * ceil (xmax / sep);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
194 nticks = (xmax - xmin) / sep + 1;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
195 elseif (maxyear - minyear < N)
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
196 sep = __calc_tick_sep__ (minmonth , maxmonth);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
197 xmin = datenum (ymin, sep * floor (minmonth / sep), 1);
14665
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482)
David Bateman <dbateman@free.fr>
parents: 14552
diff changeset
198 xmax = datenum (ymax, sep * ceil (maxmonth / sep), 1);
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
199 nticks = ceil (maxmonth / sep) - floor (minmonth / sep) + 1;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
200 else
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
201 sep = __calc_tick_sep__ (minyear , maxyear);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
202 xmin = datenum (sep * floor (minyear / sep), 1, 1);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
203 xmax = datenum (sep * ceil (maxyear / sep), 1, 1);
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
204 nticks = ceil (maxyear / sep) - floor (minyear / sep) + 1;
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
205 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
206 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
207 ticks = xmin + [0 : nticks - 1] / (nticks - 1) * (xmax - xmin);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
208 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
209
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
210 if (isempty (form))
14552
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
211 r = max (ticks) - min (ticks);
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
212 if (r < 10/60/24)
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
213 ## minutes and seconds
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
214 form = 13;
14552
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
215 elseif (r < 2)
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
216 ## hours
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
217 form = 15;
14552
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
218 elseif (r < 15)
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
219 ## days
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
220 form = 8;
14552
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
221 elseif (r < 365)
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
222 ## FIXME: FORM should be 19 for European users who use dd/mm
10151
c2f1cdb59821 datetick: make form argument optional
John W. Eaton <jwe@octave.org>
parents: 9245
diff changeset
223 ## instead of mm/dd. How can that be determined automatically?
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
224 ## months
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
225 form = 6;
14552
86854d032a37 maint: miscellaneous style fixes for .m files
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
226 elseif (r < 90*12)
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
227 ## quarters
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
228 form = 27;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
229 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
230 ## years
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
231 form = 10;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
232 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
233 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
234
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
235 if (length (ticks) == 6)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
236 ## Careful that its not treated as a datevec
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
237 if (! isempty (startdate))
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
238 sticks = strvcat (datestr (ticks(1:end-1) - ticks(1) + startdate, form),
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
239 datestr (ticks(end) - ticks(1) + startdate, form));
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
240 else
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
241 sticks = strvcat (datestr (ticks(1:end-1), form),
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
242 datestr (ticks(end), form));
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
243 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
244 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
245 if (! isempty (startdate))
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
246 sticks = datestr (ticks - ticks(1) + startdate, form);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
247 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
248 sticks = datestr (ticks, form);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
249 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
250 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
251
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
252 sticks = mat2cell (sticks, ones (rows (sticks), 1), columns (sticks));
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
253
10369
3516a245d607 datetick.m: Fix 'keepticks' bug, and untabify.
Ben Abbott <bpabbott@mac.com>
parents: 10151
diff changeset
254 if (keepticks)
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
255 if (keeplimits)
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
256 set (gca (), [ax "ticklabel"], sticks);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
257 else
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
258 set (gca (), [ax "ticklabel"], sticks,
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
259 [ax "lim"], [min(ticks), max(ticks)]);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
260 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
261 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
262 if (keeplimits)
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
263 set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
264 else
17210
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
265 set (gca (), [ax "tick"], ticks, [ax "ticklabel"], sticks,
73dd413f2c3e datetick.m: Use modern coding conventions in function.
Rik <rik@octave.org>
parents: 16094
diff changeset
266 [ax "lim"], [min(ticks), max(ticks)]);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
267 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
268 endif
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
269 endfunction
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
270
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
271 function [a, b] = __magform__ (x)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
272 if (x == 0)
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
273 a = 0;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
274 b = 0;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
275 else
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
276 l = log10 (abs (x));
19118
9c5a17d5fc19 Deprecate fmod function.
Rik <rik@octave.org>
parents: 18924
diff changeset
277 r = rem (l, 1);
8112
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
278 a = 10 .^ r;
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
279 b = fix (l - r);
31e86163b752 Add the datetick function
David Bateman <dbateman@free.fr>
parents:
diff changeset
280 if (a < 1)
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281 a *= 10;
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282 b -= 1;
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283 endif
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284 if (x < 0)
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285 a = -a;
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286 endif
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287 endif
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288 endfunction
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289
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290 ## A translation from Tom Holoryd's python code at
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291 ## http://kurage.nimh.nih.gov/tomh/tics.py
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292 function sep = __calc_tick_sep__ (lo, hi)
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293 persistent sqrt_2 = sqrt (2.0);
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294 persistent sqrt_10 = sqrt (10.0);
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295 persistent sqrt_50 = sqrt (50.0);
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296
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297 ticint = 5;
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298
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299 ## Reference: Lewart, C. R., "Algorithms SCALE1, SCALE2, and
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300 ## SCALE3 for Determination of Scales on Computer Generated
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301 ## Plots", Communications of the ACM, 10 (1973), 639-640.
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302 ## Also cited as ACM Algorithm 463.
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303
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304 [a, b] = __magform__ ((hi - lo) / ticint);
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305
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306 if (a < sqrt_2)
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307 x = 1;
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308 elseif (a < sqrt_10)
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309 x = 2;
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310 elseif (a < sqrt_50)
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311 x = 5;
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312 else
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313 x = 10;
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314 endif
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David Bateman <dbateman@free.fr>
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315 sep = x * 10 .^ b;
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316 endfunction
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317