Mercurial > octave-antonio
annotate scripts/image/rgbplot.m @ 20158:7503499a252b stable
doc: Update docstrings to have one sentence summary as first line.
Update scripts in audio, elfun, general, geometry, and image directories.
* scripts/audio/@audioplayer/__get_properties__.m,
scripts/audio/@audioplayer/audioplayer.m, scripts/audio/@audioplayer/get.m,
scripts/audio/@audioplayer/isplaying.m, scripts/audio/@audioplayer/play.m,
scripts/audio/@audioplayer/playblocking.m, scripts/audio/@audioplayer/set.m,
scripts/audio/@audioplayer/subsasgn.m, scripts/audio/@audioplayer/subsref.m,
scripts/audio/@audiorecorder/audiorecorder.m,
scripts/audio/@audiorecorder/get.m,
scripts/audio/@audiorecorder/getaudiodata.m,
scripts/audio/@audiorecorder/getplayer.m,
scripts/audio/@audiorecorder/isrecording.m,
scripts/audio/@audiorecorder/play.m, scripts/audio/@audiorecorder/record.m,
scripts/audio/@audiorecorder/recordblocking.m,
scripts/audio/@audiorecorder/set.m, scripts/audio/@audiorecorder/stop.m,
scripts/audio/@audiorecorder/subsasgn.m,
scripts/audio/@audiorecorder/subsref.m, scripts/audio/lin2mu.m,
scripts/audio/mu2lin.m, scripts/audio/record.m, scripts/audio/sound.m,
scripts/audio/soundsc.m, scripts/audio/wavread.m, scripts/audio/wavwrite.m,
scripts/elfun/cosd.m, scripts/elfun/sind.m, scripts/elfun/tand.m,
scripts/general/accumarray.m, scripts/general/accumdim.m,
scripts/general/bitcmp.m, scripts/general/bitget.m, scripts/general/bitset.m,
scripts/general/blkdiag.m, scripts/general/cart2pol.m,
scripts/general/cart2sph.m, scripts/general/cell2mat.m,
scripts/general/celldisp.m, scripts/general/chop.m,
scripts/general/circshift.m, scripts/general/common_size.m,
scripts/general/cplxpair.m, scripts/general/cumtrapz.m,
scripts/general/dblquad.m, scripts/general/deal.m, scripts/general/del2.m,
scripts/general/display.m, scripts/general/divergence.m,
scripts/general/fieldnames.m, scripts/general/flip.m,
scripts/general/flipdim.m, scripts/general/fliplr.m, scripts/general/flipud.m,
scripts/general/gradient.m, scripts/general/interp3.m,
scripts/general/interpft.m, scripts/general/interpn.m,
scripts/general/loadobj.m, scripts/general/logspace.m,
scripts/general/methods.m, scripts/general/nargchk.m,
scripts/general/narginchk.m, scripts/general/nargoutchk.m,
scripts/general/nextpow2.m, scripts/general/nthargout.m,
scripts/general/num2str.m, scripts/general/pol2cart.m,
scripts/general/polyarea.m, scripts/general/postpad.m,
scripts/general/prepad.m, scripts/general/profile.m, scripts/general/quadgk.m,
scripts/general/quadl.m, scripts/general/quadv.m, scripts/general/randi.m,
scripts/general/rat.m, scripts/general/repmat.m, scripts/general/rot90.m,
scripts/general/rotdim.m, scripts/general/saveobj.m, scripts/general/shift.m,
scripts/general/shiftdim.m, scripts/general/sortrows.m,
scripts/general/sph2cart.m, scripts/general/structfun.m,
scripts/general/subsindex.m, scripts/general/trapz.m,
scripts/general/triplequad.m, scripts/geometry/delaunayn.m,
scripts/geometry/dsearch.m, scripts/geometry/dsearchn.m,
scripts/geometry/griddata.m, scripts/geometry/griddata3.m,
scripts/geometry/griddatan.m, scripts/geometry/inpolygon.m,
scripts/geometry/rectint.m, scripts/geometry/tsearchn.m,
scripts/geometry/voronoi.m, scripts/geometry/voronoin.m,
scripts/help/__unimplemented__.m, scripts/help/doc.m,
scripts/help/doc_cache_create.m, scripts/help/get_first_help_sentence.m,
scripts/help/help.m, scripts/help/lookfor.m, scripts/help/print_usage.m,
scripts/help/type.m, scripts/help/which.m, scripts/image/autumn.m,
scripts/image/bone.m, scripts/image/brighten.m, scripts/image/cmpermute.m,
scripts/image/colorcube.m, scripts/image/contrast.m, scripts/image/cool.m,
scripts/image/copper.m, scripts/image/cubehelix.m, scripts/image/flag.m,
scripts/image/gmap40.m, scripts/image/gray.m, scripts/image/gray2ind.m,
scripts/image/hot.m, scripts/image/hsv.m, scripts/image/image.m,
scripts/image/imagesc.m, scripts/image/imfinfo.m, scripts/image/imformats.m,
scripts/image/imread.m, scripts/image/imshow.m, scripts/image/imwrite.m,
scripts/image/iscolormap.m, scripts/image/jet.m, scripts/image/lines.m,
scripts/image/ntsc2rgb.m, scripts/image/ocean.m, scripts/image/pink.m,
scripts/image/prism.m, scripts/image/rainbow.m, scripts/image/rgb2ntsc.m,
scripts/image/spinmap.m, scripts/image/spring.m, scripts/image/summer.m,
scripts/image/white.m, scripts/image/winter.m:
Update docstrings to have one sentence summary as first line.
Re-structure to have line lengths <= 80 chars.
author | Rik <rik@octave.org> |
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date | Sun, 03 May 2015 09:36:20 -0700 |
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rev | line source |
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1 ## Copyright (C) 2012-2015 Rik Wehbring |
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2 ## Copyright (C) 2012-2015 Carnë Draug |
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3 ## |
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4 ## This file is part of Octave. |
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5 ## |
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6 ## Octave is free software; you can redistribute it and/or modify it |
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7 ## under the terms of the GNU General Public License as published by |
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8 ## the Free Software Foundation; either version 3 of the License, or (at |
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9 ## your option) any later version. |
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10 ## |
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11 ## Octave is distributed in the hope that it will be useful, but |
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 ## General Public License for more details. |
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15 ## |
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16 ## You should have received a copy of the GNU General Public License |
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17 ## along with Octave; see the file COPYING. If not, see |
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18 ## <http://www.gnu.org/licenses/>. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} rgbplot (@var{cmap}) |
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22 ## @deftypefnx {Function File} {} rgbplot (@var{cmap}, @var{style}) |
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23 ## @deftypefnx {Function File} {@var{h} =} rgbplot (@dots{}) |
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24 ## Plot the components of a colormap. |
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25 ## |
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26 ## Two different @var{style}s are available for displaying the @var{cmap}: |
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27 ## |
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28 ## @table @asis |
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29 ## @item profile (default) |
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30 ## Plot the RGB line profile of the colormap for each of the channels (red, |
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31 ## green and blue) with the plot lines colored appropriately. Each line |
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32 ## represents the intensity of each RGB components across the colormap. |
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33 ## |
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34 ## @item composite |
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35 ## Draw the colormap across the X-axis so that the actual index colors are |
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36 ## visible rather than the individual color components. |
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37 ## |
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38 ## @end table |
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39 ## |
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40 ## The optional return value @var{h} is a graphics handle to the created plot. |
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41 ## |
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42 ## Run @code{demo rgbplot} to see an example of @code{rgbplot} and each style |
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43 ## option. |
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44 ## @seealso{colormap} |
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45 ## @end deftypefn |
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46 |
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47 function h = rgbplot (cmap, style = "profile") |
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48 |
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49 if (nargin < 1 || nargin > 2) |
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50 print_usage (); |
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51 endif |
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52 |
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53 if (! iscolormap (cmap)) |
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54 error ("rgbplot: CMAP must be a valid colormap"); |
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55 elseif (! ischar (style)) |
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56 error ("rgbplot: STYLE must be a string"); |
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57 endif |
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58 |
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59 switch (tolower (style)) |
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60 case "profile" |
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61 htmp = plot (cmap(:,1),"r", cmap(:,2),"g", cmap(:,3),"b"); |
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62 set (gca, 'ytick', 0:0.1:1); |
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63 case "composite" |
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64 htmp = image (1:rows(cmap)); |
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65 set (gca, 'ytick', []); |
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66 colormap (cmap); |
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67 otherwise |
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68 error ("rgbplot: unknown style '%s'", style); |
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69 endswitch |
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70 xlabel ("color index"); |
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71 |
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72 if (nargout > 0) |
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73 h = htmp; |
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74 endif |
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75 |
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76 endfunction |
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77 |
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78 |
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79 %!demo |
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80 %! clf; |
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81 %! subplot (1, 2, 1); |
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82 %! rgbplot (ocean, "profile"); |
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83 %! subplot (1, 2, 2); |
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84 %! rgbplot (ocean, "composite"); |
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85 |
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86 ## Test input validation |
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87 %!error rgbplot () |
e2a14d1b4eaa
rgbplot.m: Add new Matlab compatible function for plotting colormaps
Rik <octave@nomad.inbox5.com>
parents:
diff
changeset
|
88 %!error rgbplot (1,2) |
15714
b1cd65881592
Clean up scripts in image directory.
Rik <rik@octave.org>
parents:
15713
diff
changeset
|
89 %!error <CMAP must be a valid colormap> rgbplot ({0 1 0}) |
16472
293f5479a7e7
rgbplot.m: Set the default style to "profile"
Rik <rik@octave.org>
parents:
15716
diff
changeset
|
90 %!error <STYLE must be a string> rgbplot ([0 1 0], 2) |
16766
7268845c0a1e
avoid backquote in error messages, some uses in doc strings
John W. Eaton <jwe@octave.org>
parents:
16472
diff
changeset
|
91 %!error <unknown style 'nostyle'> rgbplot ([0 1 0], "nostyle") |
15714
b1cd65881592
Clean up scripts in image directory.
Rik <rik@octave.org>
parents:
15713
diff
changeset
|
92 |