figure(2)
%quiver(fDir(:,:,1), fDir(:,:,2))
quiver(flipud(fDir(:,:,1)), flipud(fDir(:,:,2)))
axis('square')

sze = size(fClass);

quiver(flipud(fAve(:,:,1)), flipud(fAve(:,:,2)))
axis('square')

numBig = 0;
numSmall = 0;
bigPoints = [0 0];
smallPoints = [0 0];
for k = 1:sze(1)
   for j = 1:sze(2)
      val = fClass(k,j);
      if val > 175
         numBig = numBig +1;
         bigPoints = [bigPoints; k j];
      else
         if val < -175
            numSmall = numSmall + 1;
            smallPoints = [smallPoints; k j];
         end
      end
   end
end