Mercurial > octave
annotate scripts/plot/__bar__.m @ 8664:e07e93c04080
style fixes
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 04 Feb 2009 10:56:23 -0500 |
| parents | 73d6b71788c0 |
| children | 7d48766c21a5 |
| rev | line source |
|---|---|
| 7017 | 1 ## Copyright (C) 1996, 1997, 2007 John W. Eaton |
| 6540 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 6540 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 6540 | 18 |
| 6895 | 19 ## Undocumented internal function. |
| 6540 | 20 |
| 21 ## Author: jwe | |
| 22 | |
| 23 function varargout = __bar__ (vertical, func, varargin) | |
| 6886 | 24 |
| 7215 | 25 [h, varargin] = __plt_get_axis_arg__ ((nargout > 1), func, varargin{:}); |
| 7189 | 26 |
| 7148 | 27 ## Slightly smaller than 0.8 to avoid clipping issue in gnuplot 4.0 |
| 28 width = 0.8 - 10 * eps; | |
| 6540 | 29 group = true; |
| 7325 | 30 bv = 0; |
| 6540 | 31 |
| 7215 | 32 if (nargin < 3) |
| 6886 | 33 print_usage (); |
| 6540 | 34 endif |
| 35 | |
| 7215 | 36 if (nargin > 3 && isnumeric (varargin{2})) |
| 6540 | 37 x = varargin{1}; |
| 6886 | 38 if (isvector (x)) |
| 6540 | 39 x = x(:); |
| 40 endif | |
| 41 y = varargin{2}; | |
| 6886 | 42 if (isvector (y)) |
| 6540 | 43 y = y(:); |
| 44 endif | |
| 6886 | 45 if (size (x, 1) != size (y, 1)) |
| 6540 | 46 y = varargin{1}; |
| 6886 | 47 if (isvector (y)) |
| 6540 | 48 y = y(:); |
| 49 endif | |
| 50 x = [1:size(y,1)]'; | |
| 51 idx = 2; | |
| 52 else | |
| 6886 | 53 if (! isvector (x)) |
| 6540 | 54 error ("%s: x must be a vector", func); |
| 55 endif | |
| 56 idx = 3; | |
| 57 endif | |
| 58 else | |
| 59 y = varargin{1}; | |
| 6886 | 60 if (isvector (y)) |
| 6540 | 61 y = y(:); |
| 62 endif | |
| 63 x = [1:size(y,1)]'; | |
| 64 idx = 2; | |
| 65 endif | |
| 66 | |
| 67 newargs = {}; | |
| 6886 | 68 have_line_spec = false; |
| 7215 | 69 while (idx <= nargin - 2) |
|
8190
73d6b71788c0
use case-insensitive comparison for graphics properties; misc style fixes
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
70 if (ischar (varargin{idx}) && strcmpi (varargin{idx}, "grouped")) |
| 6540 | 71 group = true; |
| 72 idx++; | |
|
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73d6b71788c0
use case-insensitive comparison for graphics properties; misc style fixes
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
73 elseif (ischar (varargin{idx}) && strcmpi (varargin{idx}, "stacked")) |
| 6540 | 74 group = false; |
| 75 idx++; | |
| 76 else | |
|
7768
a2d9f325b65a
Use isschar instead of deprecated isstr
Rafael Laboissiere <rafael@debian.org>
parents:
7325
diff
changeset
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77 if ((ischar (varargin{idx}) || iscell (varargin{idx})) |
| 6886 | 78 && ! have_line_spec) |
| 6885 | 79 [linespec, valid] = __pltopt__ (func, varargin{idx}, false); |
| 6540 | 80 if (valid) |
| 6886 | 81 have_line_spec = true; |
| 6885 | 82 newargs = [{linespec.color}, newargs]; |
| 83 idx++; | |
| 6540 | 84 continue; |
| 85 endif | |
| 86 endif | |
| 87 if (isscalar(varargin{idx})) | |
| 88 width = varargin{idx++}; | |
| 7215 | 89 elseif (idx == nargin - 2) |
| 6540 | 90 newargs = [newargs,varargin(idx++)]; |
|
8190
73d6b71788c0
use case-insensitive comparison for graphics properties; misc style fixes
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
91 elseif (ischar (varargin{idx}) |
|
73d6b71788c0
use case-insensitive comparison for graphics properties; misc style fixes
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
92 && strcmpi (varargin{idx}, "basevalue") |
|
73d6b71788c0
use case-insensitive comparison for graphics properties; misc style fixes
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
|
93 && isscalar (varargin{idx+1})) |
| 7325 | 94 bv = varargin{idx+1}; |
| 95 idx += 2; | |
| 6540 | 96 else |
| 97 newargs = [newargs,varargin(idx:idx+1)]; | |
| 98 idx += 2; | |
| 99 endif | |
| 100 endif | |
| 101 endwhile | |
| 102 | |
| 103 xlen = size (x, 1); | |
| 104 ylen = size (y, 1); | |
| 105 | |
| 106 if (xlen != ylen) | |
| 8664 | 107 error ("%s: length of x and y must be equal", func); |
| 6540 | 108 endif |
| 109 if (any (x(2:end) < x(1:end-1))) | |
| 110 error ("%s: x vector values must be in ascending order", func); | |
| 111 endif | |
| 112 | |
| 113 ycols = size (y, 2); | |
|
8056
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7768
diff
changeset
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114 cutoff = min (diff (double(x))) / 2; |
| 6540 | 115 if (group) |
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8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7768
diff
changeset
|
116 delta_p = delta_m = repmat (cutoff * width / ycols, size (x)); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7768
diff
changeset
|
117 else |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7768
diff
changeset
|
118 delta_p = delta_m = repmat (cutoff * width, size (x)); |
| 6540 | 119 endif |
| 120 x1 = (x - delta_m)(:)'; | |
| 121 x2 = (x + delta_p)(:)'; | |
| 6886 | 122 xb = repmat ([x1; x1; x2; x2](:), 1, ycols); |
| 6540 | 123 |
| 124 if (group) | |
| 125 offset = ((delta_p + delta_m) * [-(ycols - 1) / 2 : (ycols - 1) / 2]); | |
| 6885 | 126 xb(1:4:4*ylen,:) += offset; |
| 127 xb(2:4:4*ylen,:) += offset; | |
| 128 xb(3:4:4*ylen,:) += offset; | |
| 129 xb(4:4:4*ylen,:) += offset; | |
| 7325 | 130 y0 = zeros (size (y)) + bv; |
| 6540 | 131 y1 = y; |
| 132 else | |
| 133 y1 = cumsum(y,2); | |
| 7325 | 134 y0 = [zeros(ylen,1)+bv, y1(:,1:end-1)]; |
| 6540 | 135 endif |
| 136 | |
| 6885 | 137 yb = zeros (4*ylen, ycols); |
| 138 yb(1:4:4*ylen,:) = y0; | |
| 139 yb(2:4:4*ylen,:) = y1; | |
| 140 yb(3:4:4*ylen,:) = y1; | |
| 141 yb(4:4:4*ylen,:) = y0; | |
| 142 | |
| 7148 | 143 xb = reshape (xb, [4, numel(xb) / 4 / ycols, ycols]); |
| 144 yb = reshape (yb, [4, numel(yb) / 4 / ycols, ycols]); | |
| 6885 | 145 |
| 7189 | 146 if (nargout < 2) |
| 7215 | 147 oldh = gca (); |
| 148 unwind_protect | |
| 149 axes (h); | |
| 150 newplot (); | |
| 151 | |
| 152 tmp = __bars__ (h, vertical, x, y, xb, yb, width, group, | |
| 7325 | 153 have_line_spec, bv, newargs{:}); |
| 7215 | 154 if (nargout == 1) |
| 155 varargout{1} = tmp; | |
| 156 endif | |
| 157 unwind_protect_cleanup | |
| 158 axes (oldh); | |
| 159 end_unwind_protect | |
| 7189 | 160 else |
| 161 if (vertical) | |
| 6540 | 162 varargout{1} = xb; |
| 163 varargout{2} = yb; | |
| 164 else | |
| 165 varargout{1} = yb; | |
| 166 varargout{2} = xb; | |
| 167 endif | |
| 6886 | 168 endif |
| 7191 | 169 |
| 6540 | 170 endfunction |