Texture position to vray fog

[Cesar]

Hello to everyone

 

someone can help or show a good tutorial about align a texture in vray fog

 

let me explain it, i created a vray fog, and use a gizmo, a simple box of 2x2x2 mts, and i want to applied a fog density texture that fit exactly in that dimension, at least in a front face, but i can´t do it, the final fog density is to big, or to tiled, etc.