The Diff Menu Button

Depending on the hardware setup of the experiment, there can be a Diffractometer menu (fig. 6.5).

**Figure 6.5:** The TkI Diffractometer Menu
$Image toplevel_diffractometer$

hklScan
The hklScan widget is explained in section

Alignment
Invokes a widget that is used during the alignment of the diffractometer (8.6).

UB Matrix
Invokes a widget that is usued to setup and calculate the UB matrix (8.5).

Scan 2-Theta, Omega, Chi, Phi
Invokes the scan widget for the selected diffractometer angle.

Scan Om_Tt
Invokes the scan widget for a theta-2theta scan.

Scan Tt_Om
Invokes the scan widget for a 2theta-theta scan.

Reflection Scans
Invokes a widget supports scans of several reflections. This feature hasn't been tested so far.