Mercurial > hg > octave-lyh
annotate scripts/plot/pie3.m @ 17219:87ba70043bfc
Don't use ifelse in plot fcns to avoid unnecessary fcn evaluations.
* scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/caxis.m,
scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/compass.m,
scripts/plot/contour.m, scripts/plot/contour3.m, scripts/plot/contourf.m,
scripts/plot/cylinder.m, scripts/plot/ellipsoid.m, scripts/plot/errorbar.m,
scripts/plot/feather.m, scripts/plot/fill.m, scripts/plot/loglog.m,
scripts/plot/loglogerr.m, scripts/plot/mesh.m, scripts/plot/meshc.m,
scripts/plot/meshz.m, scripts/plot/pcolor.m, scripts/plot/pie.m,
scripts/plot/pie3.m, scripts/plot/plot.m, scripts/plot/plot3.m,
scripts/plot/polar.m, scripts/plot/private/__bar__.m,
scripts/plot/private/__ezplot__.m, scripts/plot/private/__stem__.m,
scripts/plot/quiver.m, scripts/plot/quiver3.m, scripts/plot/rectangle.m,
scripts/plot/ribbon.m, scripts/plot/rose.m, scripts/plot/scatter.m,
scripts/plot/scatter3.m, scripts/plot/semilogx.m, scripts/plot/semilogxerr.m,
scripts/plot/semilogy.m, scripts/plot/semilogyerr.m, scripts/plot/slice.m,
scripts/plot/sphere.m, scripts/plot/stairs.m, scripts/plot/surf.m,
scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/surfnorm.m,
scripts/time/datetick.m: Don't use ifelse in plot fcns to avoid unnecessary fcn
evaluations.
| author | Rik <rik@octave.org> |
|---|---|
| date | Fri, 09 Aug 2013 19:26:55 -0700 |
| parents | df4c4b7708a4 |
| children | 68bcac3c043a |
| rev | line source |
|---|---|
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1 ## Copyright (C) 2007-2012 David Bateman |
| 11330 | 2 ## Copyright (C) 2010 Kai Habel |
| 3 ## | |
| 4 ## This file is part of Octave. | |
| 5 ## | |
| 6 ## Octave is free software; you can redistribute it and/or modify it | |
| 7 ## under the terms of the GNU General Public License as published by | |
| 8 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 9 ## your option) any later version. | |
| 10 ## | |
| 11 ## Octave is distributed in the hope that it will be useful, but | |
| 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 ## General Public License for more details. | |
| 15 ## | |
| 16 ## You should have received a copy of the GNU General Public License | |
| 17 ## along with Octave; see the file COPYING. If not, see | |
| 18 ## <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 ## -*- texinfo -*- | |
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21 ## @deftypefn {Function File} {} pie3 (@var{x}) |
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22 ## @deftypefnx {Function File} {} pie3 (@dots{}, @var{explode}) |
| 11330 | 23 ## @deftypefnx {Function File} {} pie3 (@dots{}, @var{labels}) |
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24 ## @deftypefnx {Function File} {} pie3 (@var{hax}, @dots{}); |
| 11330 | 25 ## @deftypefnx {Function File} {@var{h} =} pie3 (@dots{}); |
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26 ## Plot a 3-D pie chart. |
| 11330 | 27 ## |
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28 ## Called with a single vector argument, produces a 3-D pie chart of the |
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29 ## elements in @var{x}. The size of the ith slice is the percentage that the |
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30 ## element @var{x}i represents of the total sum of @var{x}: |
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31 ## @code{pct = @var{x}(i) / sum (@var{x})}. |
| 11330 | 32 ## |
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33 ## The optional input @var{explode} is a vector of the same length as @var{x} |
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34 ## that, if non-zero, "explodes" the slice from the pie chart. |
| 11330 | 35 ## |
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36 ## The optional input @var{labels} is a cell array of strings of the same |
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37 ## length as @var{x} specifying the label for each slice. |
| 11330 | 38 ## |
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39 ## If the first argument @var{hax} is an axes handle, then plot into this axis, |
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40 ## rather than the current axes returned by @code{gca}. |
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41 ## |
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42 ## The optional return value @var{h} is a list of graphics handles to the |
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43 ## patch, surface, and text objects generating the plot. |
| 11330 | 44 ## |
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45 ## Note: If @code{sum (@var{x}) @leq{} 1} then the elements of @var{x} are |
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46 ## interpreted as percentages directly and are not normalized by @code{sum (x)}. |
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47 ## Furthermore, if the sum is less than 1 then there will be a missing slice |
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48 ## in the pie plot to represent the missing, unspecified percentage. |
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49 ## |
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50 ## @seealso{pie, bar, hist, rose} |
| 11330 | 51 ## @end deftypefn |
| 52 | |
| 53 ## Very roughly based on pie.m from octave-forge whose author was | |
| 54 ## Daniel Heiserer <Daniel.heiserer@physik.tu-muenchen.de> | |
| 55 | |
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56 function h = pie3 (varargin) |
| 11330 | 57 |
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58 [hax, varargin, nargin] = __plt_get_axis_arg__ ("pie3", varargin{:}); |
| 11330 | 59 |
| 60 if (nargin < 1) | |
| 61 print_usage (); | |
| 62 endif | |
| 63 | |
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64 oldfig = []; |
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65 if (isempty (hax)) |
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66 oldfig = get (0, "currentfigure"); |
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67 endif |
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68 unwind_protect |
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69 hax = newplot (hax); |
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70 htmp = __pie__ ("pie3", hax, varargin{:}); |
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71 unwind_protect_cleanup |
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72 if (! isempty (oldfig)) |
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73 set (0, "currentfigure", oldfig); |
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74 endif |
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75 end_unwind_protect |
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76 |
| 11330 | 77 if (nargout > 0) |
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78 h = htmp; |
| 11330 | 79 endif |
| 80 | |
| 81 endfunction | |
| 82 | |
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83 |
| 11330 | 84 %!demo |
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85 %! clf; |
| 11330 | 86 %! pie3 ([5:-1:1], [0, 0, 1, 0, 0]); |
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87 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); |
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88 %! title ('pie3() with exploded wedge'); |
| 11330 | 89 |
| 90 %!demo | |
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91 %! clf; |
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92 %! pie3 ([3, 2, 1], [0, 0, 1], {'Cheddar', 'Swiss', 'Camembert'}); |
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93 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); |
| 11330 | 94 %! axis ([-2,2,-2,2]); |
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95 %! title ('pie3() with labels'); |
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96 |
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97 %!demo |
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98 %! clf; |
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99 %! pie3 ([0.17, 0.34, 0.41], {'Cheddar', 'Swiss', 'Camembert'}); |
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100 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]); |
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101 %! axis ([-2,2,-2,2]); |
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102 %! title ('pie3() with missing slice'); |
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103 |