Dialog Bar - Epitaxial
This is actually a special type of Control Bar, residing on the right side of the Graphics window, but just to the left of the Dialog Bar - Right. It can be turned on or off with the Dialog Bar - Epitaxial command in the Display menu.
This dialog bar is only for positioning the epitaxial crystal(s) with respect to the main crystal. To change the orientation (i.e. host plane and vector and guest plane and vector) go to the Epitaxy dialog in the Input1 menu. The Crystal which is being positioned is set with the choice box at the top. The main crystal is number 1, so the first epitaxial crystal is number 2.
The Distance is measured between the center of the epitaxial crystal and the the center of the main crystal, perpendicular to the Host Plane.
The Displacement Parallel to vector is in the direction of the Host vector listed above in the dialog bar. The displacement Perpendicular to this vector is in the epitaxial plane. To show the new position, click the Calculate button.