The `anim-balls-color' will let you analyze your animations in with a specified color. The benefit that color brings to your animations will be the greater ease by which you can follow a given molecule as it iteracts with its neighbors. Presently 6 color choices are available.

Their numeric values and names are as follows: 

             0    red   
             1    yellow
             2    blue
             3    green
             4    purple
             5    cyan
You will need to modify your AVS input files to set the molecule color values. To do so add a 3rd line at the top of your input file as shown:

Before: 

     8
     100
     0.000000     0 -2.364854E+00  1.750000E+00 -6.148541E-01
     0.000000     1  5.000000E-01  2.900000E-01  0.000000E+00
     0.000000     1 -1.000000E+00  0.000000E+00 -5.000000E-01
     0.000000     2 -5.000000E-01  2.900000E-01  0.000000E+00
        .                 .             .             . 
        .                 .             .             . 
        .                 .             .             .
After: 
     8
     100
     0 0 1 1 2 2 3 3
     0.000000     0 -2.364854E+00  1.750000E+00 -6.148541E-01
     0.000000     1  5.000000E-01  2.900000E-01  0.000000E+00
     0.000000     1 -1.000000E+00  0.000000E+00 -5.000000E-01
     0.000000     2 -5.000000E-01  2.900000E-01  0.000000E+00
        .                 .             .             . 
        .                 .             .             . 
        .                 .             .             .
anim-balls-color was modified by Dan M.