> I am wondering if somebody can give me some suggestions on this or some 
> other
> media parameter examples and resources.

I had a bit of a tinker with your code, and looked at those videos you 
posted.

IMO the ink in those videos is a little unrealistic, as the under side of 
the ink is too dark (it would be getting lit from the plane below the tank). 
Or maybe I just can't figure out how to copy that effect in POV :-)

Anyway, I'm no expert, but the adjusted media block I came up is below.  I 
also turned off photons and made the light a bit brighter.  (For test 
renders you can reduce "samples" to 5 or so to speed up rendering)

Basically I got rid of the emission, and cranked up the scattering and 
absorption.  I think it certainly looks more "3D" than before.


media {
                absorption 60*<1, 1, 1>
                intervals 1
                samples 20
                method 3
                scattering{ 4,<0.2,0.2,0.8>*50 }


                density{  density_file df3 densFileName
                              interpolate 2
                              scale <1,2,1>
                              translate <-0.5, -1.5, -0.5>
                    color_map {

                    [0.00 rgb 0.0] // density at the border of the media
                    [0.05 rgb 0.2]
                    [1.00 rgb 1.0] // densitiy at the center of the media*/
                               }

                             }
                   }

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