setbarscale.m

matlab处理图像的一些基本方法。其中有一部分mex程序需要安装编译

function setbarscale(zr)
%SETBARSCALE  Set the colorbar scale. 
% 
%        SETBARSCALE(R)
%
%        R is the colorbar range.
% 
%             
%        Claudio  25 Jan, 1995.
%

%
% Copyright (c) 1995 by Claudio Rivetti and Mark Young
% [e-mail],    [e-mail]
%

global Handlebar


if isempty(zr)
  str1='';
  str2='';
else
  if (abs(zr(1))>=0.01 & abs(zr(1))<=9999 & abs(zr(2))>=0.01 & abs(zr(2))<=9999) | zr(1)==0 | zr(2)==0
    str1= sprintf('%.2f', round(zr(1)*100)/100);
	str2= sprintf('%.2f', round(zr(2)*100)/100);
  else
    str1= sprintf('%.2e', zr(1));
    str2= sprintf('%.2e', zr(2));
  end
end

ztxt=get(Handlebar, 'Userdata');
set(ztxt(1), 'string', str1);
set(ztxt(2), 'string', str2);

return