%  %  get_end_points: compute the end points of a beamlet given its indices%  Usage:%    [ps,pe]=get_end_points(r1,c1,r2,c2,p,n);%  Inputs:%    r1,c1,r2,c2,p   beamlet indices%    n               cube size%  Outputs:%    ps,pe           end points in 3D cartesian coordinates% %%% Part of BeamLab Version:200% Built:Friday,23-Aug-2002 00:00:00% This is Copyrighted Material% For Copying permissions see COPYING.m% Comments? e-mail beamlab@stat.stanford.edu%%% Part of BeamLab Version:200% Built:Saturday,14-Sep-2002 00:00:00% This is Copyrighted Material% For Copying permissions see COPYING.m% Comments? e-mail beamlab@stat.stanford.edu%