/usr/share/freemat/toolbox/graph/winlev.m is in freemat-data 4.0-5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | % WINLEV WINLEV Image Window-Level Function
%
% Usage
%
% Adjusts the data range used to map the current image to the current
% colormap. The general syntax for its use is
%
% winlev(window,level)
%
% where window is the new window, and level is the new level, or
%
% winlev
%
% in which case it returns a vector containing the current window
% and level for the active image.
% Copyright (c) 2002-2006 Samit Basu
% Licensed under the GPL
function [win,lev] = winlev(window,level)
g = gca;
if (nargin == 2)
set(g,'clim',[level-window/2,level+window/2]);
else
clim = get(g,'clim');
win = clim(2)-clim(1);
lev = (clim(2)+clim(1))/2;
end
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