3.3.2.25. NXtomoproc

Status:

application definition, extends NXobject

Description:

This is an application definition for the final result of a tomography experiment: a 3D construction of some volume of physical properties.

Symbols:

These symbols will be used below to coordinate datasets with the same shape.

nX: Number of voxels in X direction

nY: Number of voxels in Y direction

nZ: Number of voxels in Z direction

Groups cited:

NXdata, NXentry, NXinstrument, NXparameters, NXprocess, NXsample, NXsource

Structure:

entry: (required) NXentry

title: (required) NX_CHAR ⤆

definition: (required) NX_CHAR ⤆

Official NeXus NXDL schema to which this file conforms ...

Official NeXus NXDL schema to which this file conforms

Obligatory value: NXtomoproc

INSTRUMENT: (required) NXinstrument ⤆

SOURCE: (required) NXsource ⤆

type: (required) NX_CHAR ⤆

name: (required) NX_CHAR ⤆

probe: (required) NX_CHAR ⤆

Any of these values: neutron | x-ray | electron

SAMPLE: (required) NXsample ⤆

name: (required) NX_CHAR ⤆

Descriptive name of sample

reconstruction: (required) NXprocess ⤆

program: (required) NX_CHAR ⤆

Name of the program used for reconstruction

version: (required) NX_CHAR ⤆

Version of the program used

date: (required) NX_DATE_TIME ⤆

Date and time of reconstruction processing.

parameters: (required) NXparameters

raw_file: (required) NX_CHAR

Original raw data file this data was derived from

data: (required) NXdata ⤆

data: (required) NX_INT (Rank: 3, Dimensions: [nX, nX, nZ])

This is the reconstructed volume. This can be different ...

This is the reconstructed volume. This can be different things. Please indicate in the unit attribute what physical quantity this really is.

@transform: (required) NX_CHAR

@offset: (required) NX_CHAR

@scaling: (required) NX_CHAR

x: (required) NX_FLOAT (Rank: 1, Dimensions: [nX]) {units=NX_ANY} ⤆

This is an array holding the values to use for the x-axis of ...

This is an array holding the values to use for the x-axis of data. The units must be appropriate for the measurement.

y: (required) NX_FLOAT (Rank: 1, Dimensions: [nY]) {units=NX_ANY} ⤆

This is an array holding the values to use for the y-axis of ...

This is an array holding the values to use for the y-axis of data. The units must be appropriate for the measurement.

z: (required) NX_FLOAT (Rank: 1, Dimensions: [nZ]) {units=NX_ANY} ⤆

This is an array holding the values to use for the z-axis of ...

This is an array holding the values to use for the z-axis of data. The units must be appropriate for the measurement.

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/NXtomoproc.nxdl.xml