[yt-users] text onto 3D image

[Stephanie Tonnesen]

Hi yt-ers,

I am making individual snapshots of a simulation, using:

>from yt.visualization.volume_rendering.api import ColorTransferFunction

>tf = ColorTransferFunction((-29,-24))
>tf.add_layers(8,w=0.05,colormap="Hue Sat Value 2")
>tf.sample_colormap(-26.5,w=0.02,colormap="Hue Sat Value 2")
>cam = pf.h.camera([0.0,0.0,1.8],[0.0,-1.0,-0.2],4.4,1024,tf)
>im = cam.snapshot('rpsdip_'+sys.argv[1]+'_volumeall.png')

I would like to add a timestamp to the frame (and possibly my name while
I'm at it!).  I know how to add text to a plot, but am not sure how to do
it here.  Any help is most appreciated!

Thanks,

Stephanie
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