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annotate scripts/plot/pie.m @ 11523:fd0a3ac60b0e
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| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 14 Jan 2011 05:47:45 -0500 |
| parents | 3c7ba1e3dc21 |
| children | c792872f8942 |
| rev | line source |
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| 11523 | 1 ## Copyright (C) 2007-2011 David Bateman |
| 7118 | 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 | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 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 | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
|
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20 ## @deftypefn {Function File} {} pie (@var{x}) |
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21 ## @deftypefnx {Function File} {} pie (@var{x}, @var{explode}) |
| 7118 | 22 ## @deftypefnx {Function File} {} pie (@dots{}, @var{labels}) |
| 23 ## @deftypefnx {Function File} {} pie (@var{h}, @dots{}); | |
| 24 ## @deftypefnx {Function File} {@var{h} =} pie (@dots{}); | |
| 25 ## Produce a pie chart. | |
| 26 ## | |
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27 ## Called with a single vector argument, produces a pie chart of the |
| 7118 | 28 ## elements in @var{x}, with the size of the slice determined by percentage |
| 29 ## size of the values of @var{x}. | |
| 30 ## | |
| 31 ## The variable @var{explode} is a vector of the same length as @var{x} that | |
| 32 ## if non zero 'explodes' the slice from the pie chart. | |
| 33 ## | |
| 34 ## If given @var{labels} is a cell array of strings of the same length as | |
| 35 ## @var{x}, giving the labels of each of the slices of the pie chart. | |
| 36 ## | |
| 37 ## The optional return value @var{h} provides a handle to the patch object. | |
| 38 ## | |
| 11330 | 39 ## @seealso{pie3, bar, stem} |
| 7118 | 40 ## @end deftypefn |
| 41 | |
| 42 ## Very roughly based on pie.m from octave-forge whose author was | |
| 43 ## Daniel Heiserer <Daniel.heiserer@physik.tu-muenchen.de> | |
| 44 | |
| 45 function retval = pie (varargin) | |
| 46 | |
| 7215 | 47 [h, varargin] = __plt_get_axis_arg__ ("pie", varargin{:}); |
| 48 | |
| 7118 | 49 if (nargin < 1) |
| 50 print_usage (); | |
| 7215 | 51 else |
| 7118 | 52 oldh = gca (); |
| 53 unwind_protect | |
| 54 axes (h); | |
| 55 newplot (); | |
| 11330 | 56 tmp = __pie__ ("pie", h, varargin{:}); |
| 7118 | 57 unwind_protect_cleanup |
| 58 axes (oldh); | |
| 59 end_unwind_protect | |
| 60 endif | |
| 61 | |
| 62 if (nargout > 0) | |
| 63 retval = tmp; | |
| 64 endif | |
| 7119 | 65 |
| 7118 | 66 endfunction |
| 67 | |
| 7120 | 68 %!demo |
| 69 %! pie ([3, 2, 1], [0, 0, 1]); | |
| 70 %! colormap([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); | |
| 71 | |
| 72 %!demo | |
| 73 %! pie ([3, 2, 1], [0, 0, 1], {"Cheddar", "Swiss", "Camembert"}); | |
| 74 %! colormap([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); | |
| 75 %! axis ([-2,2,-2,2]); | |
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76 |
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77 %!demo |
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78 %! pie ([0.17, 0.34, 0.41], {"Cheddar", "Swiss", "Camembert"}); |
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79 %! colormap([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); |
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parents:
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80 %! axis ([-2,2,-2,2]); |
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81 %! title ("missing slice"); |