How do I use the "photo" keyword in TDF files?

gjmcclure Dec 30, 2007

I am trying to display a user set of stars, and want the color of the
star to be the B-V setting. Does the "photo" keyword do this? I know
that mag influences the size of the star displayed (when using type
6), but don't understand what command to use in the TDF file to
display the proper color, all my stars show up white.

Greg