NXtas¶
Status:
application definition, extends NXobject
Description:
This is an application definition for a triple axis spectrometer.
It is for the trademark scan of the TAS, the Q-E scan. For your alignment scans use the rules in NXscan.
Symbols:
The symbol(s) listed here will be used below to coordinate datasets with the same shape.
nP: Number of points
- Groups cited:
NXcrystal, NXdata, NXdetector, NXentry, NXinstrument, NXmonitor, NXsample, NXsource
Structure:
entry: (required) NXentry
title: (required) NX_CHAR
start_time: (required) NX_DATE_TIME
definition: (required) NX_CHAR
Official NeXus NXDL schema to which this file conforms
Obligatory value:
NXtasINSTRUMENT: (required) NXinstrument
SOURCE: (required) NXsource
monochromator: (required) NXcrystal
analyser: (required) NXcrystal
DETECTOR: (required) NXdetector
SAMPLE: (required) NXsample
name: (required) NX_CHAR
Descriptive name of sample
qh[nP]: (required) NX_FLOAT {units=NX_DIMENSIONLESS}
qk[nP]: (required) NX_FLOAT {units=NX_DIMENSIONLESS}
ql[nP]: (required) NX_FLOAT {units=NX_DIMENSIONLESS}
en[nP]: (required) NX_FLOAT {units=NX_ENERGY}
rotation_angle[nP]: (required) NX_FLOAT {units=NX_ANGLE}
polar_angle[nP]: (required) NX_FLOAT {units=NX_ANGLE}
sgu[nP]: (required) NX_FLOAT {units=NX_ANGLE}
sgl[nP]: (required) NX_FLOAT {units=NX_ANGLE}
unit_cell[6]: (required) NX_FLOAT {units=NX_LENGTH}
orientation_matrix[9]: (required) NX_FLOAT {units=NX_DIMENSIONLESS}
MONITOR: (required) NXmonitor
DATA: (required) NXdata
One of the ei,ef,qh,qk,ql,en should get a primary=1 attribute to denote the main scan axis
ei: link (suggested target:
/NXentry/NXinstrument/monochromator:NXcrystal/ei)ef: link (suggested target:
/NXentry/NXinstrument/analyser:NXcrystal/ef)en: link (suggested target:
/NXentry/NXsample/en)qh: link (suggested target:
/NXentry/NXsample/qh)qk: link (suggested target:
/NXentry/NXsample/qk)ql: link (suggested target:
/NXentry/NXsample/ql)data: link (suggested target:
/NXentry/NXinstrument/NXdetector/data)
Hypertext Anchors¶
Table of hypertext anchors for all groups, fields, attributes, and links defined in this class.
documentation (reST source) anchor |
web page (HTML) anchor |
|---|---|
