function A=loadthis(l)

M=480;
N=640;

A = eval(sprintf('loadraw(''entrance77massave_warped/data%d'',%d,%d)',...
           l,M,N));

disp(sprintf('load77: about to load, downsample, and crop frame %d to 220 by 320',l));

A=A(1:2:M,1:2:N);  % blurry already so just downsample
A=A(6:235,1:320);  % crop off the NaNs (black at right got cropped by warp)

