I took your tif file, added soms circles and a box shape. See screengrab. The X is yours. Remember, displacement is not visible in preview, only in a render. And you have to put displacementy On in render settings.

My Poser units are inches. !

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!