Mercurial > octave
annotate scripts/plot/draw/private/__pie__.m @ 29725:80f31f0a51fa
fix syntax error in __pie__.m
* __pie__.m: Eliminate space between function name and argument list
inside matrix list expression.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 03 Jun 2021 11:47:59 -0400 |
parents | 7854d5752dd2 |
children | 363fb10055df |
rev | line source |
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1 ######################################################################## |
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2 ## |
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3 ## Copyright (C) 2007-2021 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/>. |
11330 | 7 ## |
8 ## This file is part of Octave. | |
9 ## | |
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10 ## Octave is free software: you can redistribute it and/or modify it |
11330 | 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. |
11330 | 14 ## |
15 ## Octave is distributed in the hope that it will be useful, but | |
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. |
11330 | 19 ## |
20 ## You should have received a copy of the GNU General Public License | |
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 ######################################################################## |
11330 | 25 |
26 ## -*- texinfo -*- | |
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27 ## @deftypefn {} {@var{hlist} =} __pie__ (caller, @dots{}) |
11330 | 28 ## Undocumented internal function. |
29 ## @end deftypefn | |
30 | |
31 function hlist = __pie__ (caller, varargin) | |
32 | |
33 h = varargin{1}; | |
34 x = abs (varargin{2}); | |
35 iarg = 3; | |
36 | |
37 if (! isvector (x)) | |
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38 error ("%s: X must be a vector", caller); |
11330 | 39 endif |
40 | |
41 len = length (x); | |
42 | |
43 have_explode = false; | |
44 have_labels = false; | |
45 | |
46 while (iarg <= nargin - 1) | |
47 arg = varargin{iarg++}; | |
48 if (iscell (arg)) | |
49 labels = arg; | |
50 have_labels = true; | |
51 if (numel (x) != numel (labels)) | |
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52 error ("%s: mismatch in number of labels and data", caller); |
11330 | 53 endif |
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54 elseif (isnumeric (arg) || islogical (arg)) |
11330 | 55 explode = arg; |
56 have_explode = true; | |
57 if (! size_equal (x, explode)) | |
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58 error ("%s: mismatch in number of elements in explode and data", |
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59 caller); |
11330 | 60 endif |
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61 else |
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62 error ("%s: %s is invalid as an optional argument", caller, class (arg)); |
11330 | 63 endif |
64 endwhile | |
65 | |
66 if (! have_explode) | |
67 explode = zeros (size (x)); | |
68 endif | |
69 | |
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70 normalize = true; |
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71 if (sum (x(:)) < 1) |
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72 normalize = false; |
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73 endif |
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74 |
11330 | 75 if (! have_labels) |
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76 if (normalize) |
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77 xp = round (100 * x ./ sum (x)); |
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78 else |
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79 xp = round (100 * x); |
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80 endif |
11330 | 81 for i = 1:len |
82 labels{i} = sprintf ("%d%%", xp(i)); | |
83 endfor | |
84 endif | |
85 | |
86 hlist = []; | |
87 refinement = 90; | |
88 phi = 0:refinement:360; | |
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89 if (normalize) |
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90 xphi = cumsum (x / sum (x) * 360); |
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91 else |
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92 xphi = cumsum (x * 360); |
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93 endif |
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94 |
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95 for i = 1:len |
11330 | 96 if (i == 1) |
97 xn = 0 : 360 / refinement : xphi(i); | |
98 else | |
99 xn = xphi(i-1) : 360 / refinement : xphi(i); | |
100 endif | |
101 | |
102 if (xn(end) != xphi(i)) | |
103 xn = [xn, xphi(i)]; | |
104 endif | |
105 | |
106 xn2 = (xn(1) + xn(end)) / 2; | |
107 if (explode (i)) | |
108 xoff = - 0.1 * sind (xn2); | |
109 yoff = 0.1 * cosd (xn2); | |
110 else | |
111 xoff = 0; | |
112 yoff = 0; | |
113 endif | |
114 xt = - 1.2 * sind (xn2); | |
115 yt = 1.2 * cosd (xn2); | |
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116 |
11330 | 117 if (len == 1) |
118 set (h, "clim", [1, 2]); | |
119 else | |
120 set (h, "clim", [1, len]); | |
121 endif | |
122 | |
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123 if (strcmp (caller, "pie3")) |
11330 | 124 ln = length (xn); |
125 zlvl = 0.35; | |
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126 sx = repmat (xoff + [0, -sind(xn), 0], [2, 1]); |
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127 sy = repmat (yoff + [0, cosd(xn), 0], [2, 1]); |
11330 | 128 sz = [zeros(1, ln + 2); zlvl * ones(1, ln + 2)]; |
129 sc = i * ones (size (sz)); | |
130 | |
131 hlist = [hlist; | |
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132 patch(xoff + [0, -sind(xn)], yoff + [0, cosd(xn)], zeros (1, ln + 1), i); |
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133 surface(sx, sy, sz, sc); |
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134 patch(xoff + [0, -sind(xn)], yoff + [0, cosd(xn)], zlvl * ones (1, ln + 1), i); |
11330 | 135 text(xt, yt, zlvl, labels{i})]; |
136 | |
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137 elseif (strcmp (caller, "pie")) |
11330 | 138 if (xt > 0) |
139 align = "left"; | |
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140 elseif (xt < 0) |
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141 align = "right"; |
11330 | 142 else |
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143 align = "center"; |
11330 | 144 endif |
145 | |
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146 hlist = [hlist; patch(xoff + [0, -sind(xn)], yoff + [0, cosd(xn)], i); |
11330 | 147 text(xt, yt, labels{i}, "horizontalalignment", align)]; |
148 | |
149 else | |
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150 error ("__pie__: unknown caller '%s'", caller); |
11330 | 151 endif |
152 endfor | |
153 | |
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154 addlistener (gca, "view", {@update_text_pos, hlist}); |
11330 | 155 |
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156 if (strcmp (caller, "pie3")) |
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157 axis ([-1.25, 1.25, -1.25, 1.25, -0.05, 0.4], "equal", "off"); |
11330 | 158 view (-37.5, 30); |
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159 elseif (strcmp (caller, "pie")) |
11330 | 160 axis ([-1.5, 1.5, -1.5, 1.5], "square", "off"); |
161 endif | |
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162 |
11330 | 163 endfunction |
164 | |
165 function update_text_pos (all_handles) | |
166 ## Text objects in the foreground should be at the base level. | |
167 ## Text objects in the background should be at the top level. | |
168 ## Text objects on the right side should be aligned to the right | |
169 ## and on the left side to the left. | |
170 tobj = findobj (all_handles, "type", "text"); | |
171 | |
172 ## check if we are called from pie3 | |
173 s = findobj (all_handles, "type", "surface"); | |
174 is_pie3 = false; | |
175 if (length (s) > 0) | |
176 is_pie3 = true; | |
177 endif | |
178 | |
179 if (length (tobj) > 0) | |
180 ax = get (tobj(1), "parent"); | |
181 azel = get (ax, "view"); | |
182 pos = get (tobj, "position"); | |
183 if (iscell (pos)) | |
184 pos = cell2mat (pos); | |
185 endif | |
186 phi = atand (pos(:,1) ./ pos(:,2)); | |
187 [theta, r] = cart2pol (pos(:,1), pos(:,2)); | |
188 theta *= 180/pi; | |
189 theta -= azel(1); | |
190 theta = mod (theta, 360); | |
191 ud_mask = (theta > 180); | |
192 lr_mask = (theta > 90) & (theta < 270); | |
193 for i = 1 : length (tobj) | |
194 if (is_pie3) | |
195 if (ud_mask(i)) | |
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196 set (tobj(i), "position", [pos(i,1), pos(i,2), -0.05]); |
11330 | 197 else |
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198 set (tobj(i), "position", [pos(i,1), pos(i,2), 0.40]); |
11330 | 199 endif |
200 endif | |
201 | |
202 if (lr_mask(i)) | |
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203 set (tobj(i), "horizontalalignment", "right"); |
11330 | 204 else |
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205 set (tobj(i), "horizontalalignment", "left"); |
11330 | 206 endif |
207 endfor | |
208 endif | |
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209 |
11330 | 210 endfunction |