Mercurial > octave
annotate scripts/plot/util/linkaxes.m @ 31212:55415fa6a20f
svgconvert: Use Lossless encoding of images when available (bug #52193)
* acinclude.m4: Check that QPainter::LosslessImageRendering flag is available.
* octave-svgconvert.cc (draw): Use new flag if available.
* print.m (doc): Update word of caution about svgconvert and images.
author | Pantxo Diribarne <pantxo.diribarne@gmail.com> |
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date | Mon, 29 Aug 2022 16:36:34 +0200 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
rev | line source |
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1 ######################################################################## |
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2 ## |
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3 ## Copyright (C) 2014-2022 The Octave Project Developers |
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4 ## |
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5 ## See the file COPYRIGHT.md in the top-level directory of this |
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6 ## distribution or <https://octave.org/copyright/>. |
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7 ## |
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8 ## This file is part of Octave. |
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9 ## |
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10 ## Octave is free software: you can redistribute it and/or modify it |
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11 ## under the terms of the GNU General Public License as published by |
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12 ## the Free Software Foundation, either version 3 of the License, or |
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13 ## (at your option) any later version. |
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14 ## |
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15 ## Octave is distributed in the hope that it will be useful, but |
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 ## GNU General Public License for more details. |
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19 ## |
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20 ## You should have received a copy of the GNU General Public License |
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21 ## along with Octave; see the file COPYING. If not, see |
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22 ## <https://www.gnu.org/licenses/>. |
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23 ## |
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24 ######################################################################## |
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25 |
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26 ## -*- texinfo -*- |
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27 ## @deftypefn {} {} linkaxes (@var{hax}) |
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28 ## @deftypefnx {} {} linkaxes (@var{hax}, @var{optstr}) |
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29 ## Link the axis limits of 2-D plots such that a change in one is propagated |
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30 ## to the others. |
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31 ## |
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32 ## The axes handles to be linked are passed as the first argument @var{hax}. |
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33 ## |
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34 ## The optional second argument is a string which defines which axis limits |
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35 ## will be linked. The possible values for @var{optstr} are: |
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36 ## |
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37 ## @table @asis |
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38 ## @item @qcode{"x"} |
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39 ## Link x-axes |
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40 ## |
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41 ## @item @qcode{"y"} |
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42 ## Link y-axes |
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43 ## |
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44 ## @item @qcode{"xy"} (default) |
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45 ## Link both axes |
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46 ## |
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47 ## @item @qcode{"off"} |
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48 ## Turn off linking |
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49 ## @end table |
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50 ## |
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51 ## If unspecified the default is to link both X and Y axes. |
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52 ## |
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53 ## When linking, the limits from the first axes in @var{hax} are applied to the |
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54 ## other axes in the list. Subsequent changes to any one of the axes will be |
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55 ## propagated to the others. |
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56 ## |
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57 ## @seealso{linkprop, addproperty} |
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58 ## @end deftypefn |
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59 |
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60 function linkaxes (hax, optstr = "xy") |
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61 |
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62 if (nargin < 1) |
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63 print_usage (); |
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64 endif |
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65 |
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66 if (numel (hax) < 2) |
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67 error ("linkaxes: HAX must contain at least 2 handles"); |
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68 elseif (! all (isaxes (hax(:)))) |
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69 error ("linkaxes: HAX must be a vector of axes handles"); |
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70 endif |
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71 |
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72 ## Check if axes are linked already and clear if found. |
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73 ## Otherwise, add the necessary linkaxes_data property. |
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74 for i = 1:length (hax) |
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75 if (isprop (hax(i), "linkaxes_data")) |
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76 hld = get (hax(i), "linkaxes_data"); |
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77 try |
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78 rmappdata (hld, "linkprop_data"); |
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79 end_try_catch |
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80 else |
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81 addproperty ("linkaxes_data", hax(i), "any"); |
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82 endif |
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83 endfor |
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84 |
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85 switch (optstr) |
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86 case "x" |
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87 hlink = linkprop (hax, "xlim"); |
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88 case "y" |
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89 hlink = linkprop (hax, "ylim"); |
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90 case "xy" |
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91 hlink = linkprop (hax, {"xlim" "ylim"}); |
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92 case "off" |
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93 ## do nothing - link already deleted |
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94 hlink = []; |
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95 otherwise |
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96 error ("linkaxes: unrecognized OPTSTR '%s'", optstr); |
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97 endswitch |
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98 |
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99 if (! isempty (hlink)) |
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100 setappdata (hax(1), "linkprop_data", hlink); |
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101 set (hax, "linkaxes_data", hax(1)); |
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102 else |
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103 set (hax, "linkaxes_data", []); |
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104 endif |
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105 |
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106 endfunction |
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107 |
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108 |
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109 %!demo |
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110 %! clf; |
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111 %! hax1 = subplot (3,1,1); |
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112 %! bar (rand (4, 1), "facecolor", "r"); |
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113 %! hax2 = subplot (3,1,2); |
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114 %! bar (5*rand (4, 1), "facecolor", "g"); |
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Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
115 %! hax3 = subplot (3,1,3); |
22302
1c4cd12987f5
Use Octave syntax in graphics demos.
Rik <rik@octave.org>
parents:
20852
diff
changeset
|
116 %! bar (10*rand (4, 1), "facecolor", "b"); |
22446
ec9dca76189c
Reword input prompts in %!demo blocks for consistency
Mike Miller <mtmiller@octave.org>
parents:
22323
diff
changeset
|
117 %! input ("Press <enter> to link axes: "); |
18729
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
118 %! linkaxes ([hax1, hax2, hax3]); |
22446
ec9dca76189c
Reword input prompts in %!demo blocks for consistency
Mike Miller <mtmiller@octave.org>
parents:
22323
diff
changeset
|
119 %! input ("Press <enter> to change ylim: "); |
18729
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
120 %! ylim (hax3, [0 10]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
121 |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
122 %!test |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
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123 %! hf1 = figure ("visible", "off"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
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124 %! hax1 = axes (); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
125 %! plot (1:10); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
126 %! hf2 = figure ("visible", "off"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
127 %! hax2 = axes (); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
128 %! plot (10:-1:1, "-*g"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
129 %! hf3 = figure ("visible", "off"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
130 %! hax3 = axes (); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
131 %! plot (1:10:100, "-xb"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
132 %! unwind_protect |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
133 %! linkaxes ([hax1, hax2, hax3]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
134 %! ## Test initial values taken from first object in list |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
135 %! assert (xlim (hax3), [0 10]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
136 %! assert (ylim (hax3), [0 10]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
137 %! ## Test linking |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
138 %! xlim (hax2, [2 8]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
139 %! assert (xlim (hax1), [2 8]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
140 %! assert (xlim (hax3), [2 8]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
141 %! ylim (hax3, "auto"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
142 %! assert (ylim (hax1), [0 100]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
143 %! assert (ylim (hax2), [0 100]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
144 %! ## Test re-linking removes old link |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
145 %! linkaxes ([hax1, hax2]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
146 %! ylim (hax3, [0 50]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
147 %! assert (ylim (hax1), [0 100]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
148 %! assert (ylim (hax2), [0 100]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
149 %! xlim (hax1, [0 4]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
150 %! assert (xlim (hax2), [0 4]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
151 %! ## Test linking of remaining objects after deletion of one object |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
152 %! linkaxes ([hax1, hax2, hax3]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
153 %! xlim (hax2, [0 1]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
154 %! assert (xlim (hax1), [0 1]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
155 %! assert (xlim (hax3), [0 1]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
156 %! delete (hax2); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
157 %! xlim (hax3, [0 2]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
158 %! assert (xlim (hax1), [0 2]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
159 %! ## Test deletion of link |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
160 %! linkaxes ([hax1, hax3], "off"); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
161 %! xlim (hax3, [0 3]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
162 %! assert (xlim (hax1), [0 2]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
163 %! unwind_protect_cleanup |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
164 %! close ([hf1 hf2 hf3]); |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
165 %! end_unwind_protect |
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
166 |
19833
9fc020886ae9
maint: Clean up m-files to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
167 ## Test input validation |
28886
d8318c12d903
test: remove unnecessary BIST tests in m-files checking for excessive number of inputs.
Rik <rik@octave.org>
parents:
28789
diff
changeset
|
168 %!error <Invalid call> linkaxes () |
18729
d1750be79dee
linkaxes.m: Implement new function linkaxes.
Willem Atsma <willem.atsma@tanglebridge.com>
parents:
diff
changeset
|
169 %!error <HAX must be a vector of axes handles> linkaxes ([pi, e]) |