SItoA 3.5 includes the Volume primitive and a OpenVDB volume plugin, so you can render VDB files in Softimage.
eX-SI
ICE, scripting, and other tech stuff about Softimage aka XSI
SItoA 3.5 includes the Volume primitive and a OpenVDB volume plugin, so you can render VDB files in Softimage.
eX-SI 
thanks , steven for the info ,
Is there anyway to let the shader read a sequence in the file name field ? i triad $F , but it’s not work .
In Softimage, you can use [Frame] in the File Name text box
It’s Work , thanks steven .