I am using Vegas Pro 12 and know that the test pattern generator can produce the SMPTE color bars designed for SD 4:3 (Rec. ITU-R BT.801-1), does anyone know if Vegas 13 or an another external plugin can generate color bars for HD 16:9 (Rec. ITU-R BT.709)?
(For reference, one difference between the SD and HD color bars is that the HD version has a linear black to white gradient.)
My last resort is to use Avisynth to generate a pre-render of the HD color bars.