Residual distribution on each plane obtained by using nominal plane position.
The abscissa is given by mm unit. 
<P>
<IMG SRC="0810/blc_plane_shiftx1.gif" ALT="Shift of x planes (1)" > 
<IMG SRC="0810/blc_plane_shiftx2.gif" ALT="Shift of x planes (2)" > 
<IMG SRC="0810/blc_plane_shifty1.gif" ALT="Shift of y planes (1)" > 
<IMG SRC="0810/blc_plane_shifty2.gif" ALT="Shift of y planes (2)" > 
</P>