EVIATION = 0.0000000
    ******************************************************************************
    ****** MONTE-CARLO ANALYSIS COMPLETED ******
</pre></p>

<h2>Lesson #12 - Beam Footprint Analysis</h2>

<p>Beam footprints may be easily drawn and may include clear
apertures. The following sequence of commands causes an off-axis
bundle of rays to be plotted on surface #2 of the Cooke Triplet lens
stored in lens library file #1. The first string of commands causes a
beam footprint to be drawn which is