Decal position. Defines the offset in inches from the anchor= point of the decal image to the decal origin point defined by the target vignette object.
x , y
Relative position adjustment in scene coordinate units (typically inches) (real, real).
Material attribute. Ignored by materials other than decals.
pos=0,0 . Aligns the decal's anchor point with the vignette object's decal origin.