Mercurial > hg > octave-lyh
changeset 14272:4f8d2931f886
lines.m: Add new colormap corresponding to ColorOrder property.
* lines.m: New colormap file
* scripts/image/module.mk: Add lines.m to build system.
* image.txi: Add lines() to documentation.
* NEWS: Add lines() to list of new functions in 3.8
* aspell-octave.en.pws: Add "ColorOrder" to list of spelling exceptions.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Fri, 27 Jan 2012 20:54:15 -0800 |
| parents | e2a14d1b4eaa |
| children | bedccd0abe39 |
| files | NEWS doc/interpreter/doccheck/aspell-octave.en.pws doc/interpreter/image.txi scripts/image/lines.m scripts/image/module.mk |
| diffstat | 5 files changed, 59 insertions(+), 0 deletions(-) [+] |
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--- a/NEWS +++ b/NEWS @@ -3,6 +3,7 @@ ** Other new functions added in 3.8.0: + lines rgbplot ** Deprecated functions.
--- a/doc/interpreter/doccheck/aspell-octave.en.pws +++ b/doc/interpreter/doccheck/aspell-octave.en.pws @@ -139,6 +139,7 @@ collectoutput colorbar colormap +ColorOrder colperm Comint Commandline
--- a/doc/interpreter/image.txi +++ b/doc/interpreter/image.txi @@ -147,6 +147,8 @@ @DOCSTRING(jet) +@DOCSTRING(lines) + @DOCSTRING(ocean) @DOCSTRING(pink)
new file mode 100644 --- /dev/null +++ b/scripts/image/lines.m @@ -0,0 +1,54 @@ +## Copyright (C) 2012 Rik Wehbring +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{map} =} lines () +## @deftypefnx {Function File} {@var{map} =} lines (@var{n}) +## Create color colormap. This colormap is composed of the list of colors +## in the current axes "ColorOrder" property. The default is blue, +## green, red, cyan, pink, yellow, and gray. +## The argument @var{n} must be a scalar. +## If unspecified, the length of the current colormap, or 64, is used. +## @seealso{colormap} +## @end deftypefn + +function map = lines (n) + + if (nargin == 0) + n = rows (colormap); + elseif (nargin == 1) + if (! isscalar (n)) + error ("lines: argument must be a scalar"); + endif + else + print_usage (); + endif + + c = get (gca, "colororder"); + nr = rows (c); + map = c(rem (0:(n-1), nr) + 1, :); + +endfunction + + +%!demo +%! ## Show the 'lines' colormap as an image +%! image (1:64, linspace (0, 1, 64), repmat ((1:64)', 1, 64)); +%! axis ([1, 64, 0, 1], "ticy", "xy"); +%! colormap (lines (64)); +