function posV = xscale(h,scale,offset)
%function xscale(h,scale,offset)
%This script recenters and then scales the x-axis of the
%axis with handle h.  The offset value is in the unscaled
%(input) coordinates.
%JOD. LM: 23 Oct 03.
%
% Copyright 2010, Joseph O. Deasy, on behalf of the CERR development team.
% 
% This file is part of The Computational Environment for Radiotherapy Research (CERR).
% 
% CERR development has been led by:  Aditya Apte, Divya Khullar, James Alaly, and Joseph O. Deasy.
% 
% CERR has been financially supported by the US National Institutes of Health under multiple grants.
% 
% CERR is distributed under the terms of the Lesser GNU Public License. 
% 
%     This version of CERR 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.
% 
% CERR 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 CERR.  If not, see <http://www.gnu.org/licenses/>.

ticklabelS = get(h,'xticklabel');
tmpV = str2num(ticklabelS);
posV = (tmpV-offset)*scale;
newlabelsS = num2str(posV);
set(h,'xticklabel',newlabelsS);


