FUNCTION: thm_component_to_tplot, plot_type, active_vnames PURPOSE: Checks the plot type (SPACECRAFT or COMPONENTS) and creates (if necessary) new tplot variables INPUT: active_vars string array of variable names (these are the active variables that are currently available) cw gui id for history window mw gui id for progress window OUTPUT: new_vars string array of new active variables, these variables are regrouped by SPACECRAFT or COMPONENT KEYWORDS: SEE ALSO: "STORE_DATA", "GET_DATA", "SPLIT_VEC", "OPTIONS", "TPLOT" CREATED BY: Cindy Goethel MODIFICATION BY: LAST MODIFICATION: