_diffrn_detector_element.id ELEMENTID
_diffrn_detector_element.detector_id DETECTORNAME
_diffrn_detector_element.reference_center_fast RCF
_diffrn_detector_element.reference_center_slow RCS
_diffrn_detector_element.reference_center_units UNITS
-->
/entry:NXentry
/CBF_scan_id="SCANID"
/CBF_diffrn_id="DIFFRNID"
/instrument:NXinstrument
/DETECTORNAME:NXdetector_group
/DETECTORELEMENTNAME:NXdetector
/beam_center_x=[RCS] (converted from UNITS as needed)
@units=mm
/beam_center_y=[RCF] (converted from UNITS as needed)
@units=mm
/CBF_diffrn_detector_element__id="ELEMENTID1:ELEMENTID2:..."
/CBF_diffrn_detector_element__reference_center_fast=[RCF1,RCF2,...]
/CBF_diffrn_detector_element__reference_center_slow=[RCS1,RCS2,...]
/CBF_diffrn_detector_element__id="UNITS1:UNITS2:..."
inserts ELEMENTID into the colon-separated list of element IDs
inserts RCF into the array of reference centres
inserts RCS into the array of reference centres
inserts ELEMENTID into the colon-separated list of units