function isUniformized = isUniformStr(structNum,planC)
%function isUniformized = isUniformStr(structnum,planC)
%
%This function checks whether the strucutre structNum has been uniformized
%
%APA, 04/23/2010
%
% 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/>.

if ~exist('planC','var')
    global planC
end
indexS = planC{end};
[scanSet,relStrNum] = getStructureAssociatedScan(structNum, planC);

if relStrNum<=52
    cellNum = 1;
    bitsM = planC{indexS.structureArray}(scanSet).bitsArray;
    bitGetM = bitget(bitsM, structNum);
else
    cellNum = ceil((relStrNum-52)/8)+1;
    bitsM = planC{indexS.structureArrayMore}(scanSet).bitsArray{cellnum};
    bitGetM = bitget(bitsM, relStrNum-52-(cellNum-2)*8);
end

if any(bitGetM)
    isUniformized = 1;
else    
    isUniformized = 0;
end

return;
