2.3.3.3.183. NXresolution

Status:

base class, extends NXobject

Description:

Describes the resolution of a physical quantity.

Symbols:

No symbol table

Groups cited:

NXcalibration, NXdata, NXnote

Structure:

@default: (optional) NX_CHAR

Declares which child group contains a path leading ...

Declares which child group contains a path leading to a NXdata group.

It is recommended (as of NIAC2014) to use this attribute to help define the path to the default dataset to be plotted. See https://www.nexusformat.org/2014_How_to_find_default_data.html for a summary of the discussion.

physical_quantity: (optional) NX_CHAR

The physical quantity of the resolution, e.g., ...

The physical quantity of the resolution, e.g., energy, momentum, time, etc.

type: (optional) NX_CHAR

The process by which the resolution was determined. ...

The process by which the resolution was determined.

Any of these values: estimated | derived | calibrated | other

resolution: (optional) NX_FLOAT {units=NX_ANY}

The resolution of the physical quantity.

resolution_errors: (optional) NX_FLOAT {units=NX_ANY}

Standard deviation of the resolution of the physical quantity.

relative_resolution: (optional) NX_FLOAT {units=NX_ANY}

Ratio of the resolution at a specified measurand value to that measurand value,

relative_resolution_errors: (optional) NX_FLOAT {units=NX_DIMENSIONLESS}

Standard deviation of the relative resolution of the physical quantity.

formula_SYMBOL: (optional) NX_CHAR

A symbol linking to another path in this appdef to be referred to from the ...

A symbol linking to another path in this appdef to be referred to from the resolution_formula field. This should be a valid path inside this application definition, i.e., of the form /entry/instrument/my_part/my_field.

resolution_formula: (optional) NX_CHAR

A resolution formula to determine the resolution from a set of symbols as ...

A resolution formula to determine the resolution from a set of symbols as entered by the formula_… fields. The output unit should match the provided unit of this field.

note: (optional) NXnote

Additional details of the estimate or description of the calibration procedure

response_function: (optional) NXdata

The response of the instrument or part to a infinitesimally sharp input signal ...

The response of the instrument or part to a infinitesimally sharp input signal along the physical quantity of this group. This is also sometimes called instrument response function for time resolution or point spread function for spatial response. The resolution is typically determined by taking the full width at half maximum (FWHM) of the response function.

input: (optional) NX_FLOAT {units=NX_ANY}

The input axis or grid of the response function. ...

The input axis or grid of the response function. The unit should match the one of the resolution field.

magnitude: (optional) NX_FLOAT

The magnitude of the response function corresponding to the points ...

The magnitude of the response function corresponding to the points in the input axis or grid. This field should have the same dimensions as input.

CALIBRATION: (optional) NXcalibration

For storing details and data of a calibration to derive a resolution from data.

Hypertext Anchors

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

NXDL Source:

https://github.com/FAIRmat-NFDI/nexus_definitions/tree/fairmat/contributed_definitions/NXresolution.nxdl.xml