IAgVmVOCrossSection Interface for defining planar cross-sections through the volumetric grid.
  Opacity | Set the opacity multiplier which is used to incrementally increase the opacity of the cross-sections. Valid value is greater or equal to 1. | 
  Planes | Access and manipulate the collection of cross section planes for Volumetric object. | 
  Show | Show or hide the cross sections in 3D window. | 





