function tX=mfbox_getmaskdata(X,tg,mask)% Copyright by Peter Gruber % Signal Processing & Information Theory group% Institute of Biophysics, University of Regensburg, Germany% Homepage: http://research.fabian.theis.name%           http://www-aglang.uni-regensburg.de%% This file is free software, subject to the % GNU GENERAL PUBLIC LICENSE, see gpl.txttX = zeros(length(mask(:),size(X,2)));for i=1:size(X,2), tX(:,i) = accumarray(tg(:),X(:,i),[length(mask(:)),1],@mean); endtX = tX(mask,:);return