3.3.2.12. NXreftof

Status:

application definition, extends NXobject

Description:

This is an application definition for raw data from a TOF reflectometer.

Symbols:

The symbol(s) listed here will be used below to coordinate datasets with the same shape.

xSize: xSize description

ySize: ySize description

nTOF: nTOF description

Groups cited:

NXdata, NXdetector, NXdisk_chopper, NXentry, NXinstrument, NXmonitor, NXsample

Structure:

entry: (required) NXentry

title: (required) NX_CHAR

start_time: (required) NX_DATE_TIME

end_time: (required) NX_DATE_TIME

definition: (required) NX_CHAR

Official NeXus NXDL schema to which this file conforms

Obligatory value: NXreftof

instrument: (required) NXinstrument

name: (required) NX_CHAR

chopper: (required) NXdisk_chopper

distance: (required) NX_FLOAT {units=NX_LENGTH}

Distance between chopper and sample

detector: (required) NXdetector

data: (required) NX_INT (Rank: 3, Dimensions: [xSize, ySize, nTOF])

time_of_flight: (required) NX_FLOAT (Rank: 1, Dimensions: [nTOF]) {units=NX_TIME_OF_FLIGHT}

Array of time values for each bin in a time-of-flight measurement

distance: (required) NX_FLOAT {units=NX_LENGTH}

polar_angle: (required) NX_FLOAT {units=NX_ANGLE}

x_pixel_size: (required) NX_FLOAT {units=NX_LENGTH}

y_pixel_size: (required) NX_FLOAT {units=NX_LENGTH}

sample: (required) NXsample

name: (required) NX_CHAR

Descriptive name of sample

rotation_angle: (required) NX_FLOAT {units=NX_ANGLE}

control: (required) NXmonitor

mode: (required) NX_CHAR

Count to a preset value based on either clock time (timer) or received monitor counts (monitor).

Any of these values: monitor | timer

preset: (required) NX_FLOAT {units=NX_ANY}

preset value for time or monitor

integral: (required) NX_INT

Total integral monitor counts

time_of_flight: (required) NX_FLOAT {units=NX_TIME_OF_FLIGHT}

Time channels

data: (required) NX_INT

Monitor counts in each time channel

data: (required) NXdata

data: link (suggested target: /NXentry/NXinstrument/NXdetector/data)

time_of_flight: link (suggested target: /NXentry/NXinstrument/NXdetector/time_of_flight)

Hypertext Anchors

List of hypertext anchors for all groups, fields, attributes, and links defined in this class.

NXDL Source:

https://github.com/nexusformat/definitions/blob/main/applications/NXreftof.nxdl.xml