The scene can be downloaded here.

 

Volume


VDB volume with grids 'density'

 

Standard Volume

Shading

 

Volume Sample Float

Enter 'density' into the channel attribute

 

Below are some other examples of changing the Volume Sample Float shader's attributes:

Contrast

Bias

 

 

The final corrections used in this example involved adjusting the Contrast, Gain and Output Max attributes as per the image below:

Final attributes for Volume Sample Float

 

Volume Ray Depth