Contributed DefinitionsΒΆ

A description of each NeXus contributed definition is given. NXDL files in the NeXus contributed definitions include propositions from the community for NeXus base classes or application definitions, as well as other NXDL files for long-term archival by NeXus. Consider the contributed definitions as either in incubation or a special case not for general use. The NIAC: The NeXus International Advisory Committee is charged to review any new contributed definitions and provide feedback to the authors before ratification and acceptance as either a base class or application definition.

NXaberration

Models for aberrations of electro-magnetic lenses in electron microscopy.

NXaperture

A beamline aperture

NXaperture_em

Details of an individual aperture for beams in electron microscopy.

NXapm

Application definition for atom probe and field ion microscopy experiments.

NXapm_input_ranging

Metadata to ranging definitions made for a dataset in atom probe microscopy.

NXapm_input_reconstruction

Metadata of a dataset (tomographic reconstruction) in atom probe microscopy.

NXapm_paraprobe_config_clusterer

Configuration of a paraprobe-clusterer tool run in atom probe microscopy.

NXapm_paraprobe_config_distancer

Configuration/settings of a paraprobe-distancer software tool run.

NXapm_paraprobe_config_intersector

Configuration of a paraprobe-intersector tool run in atom probe microscopy.

NXapm_paraprobe_config_nanochem

Configuration of a paraprobe-nanochem tool run in atom probe microscopy.

NXapm_paraprobe_config_ranger

Configuration of a paraprobe-ranger tool run in atom probe microscopy.

NXapm_paraprobe_config_spatstat

Configuration of a paraprobe-spatstat tool run in atom probe microscopy.

NXapm_paraprobe_config_surfacer

Configuration of a paraprobe-surfacer tool run in atom probe microscopy.

NXapm_paraprobe_config_tessellator

Configuration of a paraprobe-tessellator tool run in atom probe microscopy.

NXapm_paraprobe_config_transcoder

Configurations of a paraprobe-transcoder tool run in atom probe microscopy.

NXapm_paraprobe_results_ranger

Results of a paraprobe-ranger tool run in atom probe microscopy.

NXapm_paraprobe_results_transcoder

Results of a paraprobe-transcoder tool run in atom probe microscopy.

NXatom_set

A base class to wrap details about a spatial configuration of atoms.

NXbeam

Properties of the neutron or X-ray beam at a given location.

NXcalibration

Subclass of NXprocess to describe post-processing calibrations.

NXcg_alpha_shape

Computational geometry description of alpha shapes or wrappings to primitives.

NXcg_cylinder_set

Computational geometry description of a set of cylinders in Euclidean space.

NXcg_ellipsoid_set

Computational geometry description of a set of ellipsoids in Euclidean space.

NXcg_face_list_data_structure

Computational geometry description of geometric primitives via a face and edge list.

NXcg_geodesic_mesh

Computational geometry description of a geodesic mesh.

NXcg_grid

Computational geometry description of a Wigner-Seitz cell grid in Euclidean space.

NXcg_half_edge_data_structure

Computational geeometry description of a half-edge data structure.

NXcg_hexahedron_set

Computational geometry description of a set of hexahedra in Euclidean space.

NXcg_isocontour

Computational geometry description of isocontouring/phase-fields in Euclidean space.

NXcg_marching_cubes

Computational geometry description of the marching cubes algorithm.

NXcg_parallelogram_set

Computational geometry description of a set of parallelograms in Euclidean space.

NXcg_point_set

Computational geometry description of a set of points in Euclidean space.

NXcg_polygon_set

Computational geometry description of a set of polygons in Euclidean space.

NXcg_polyhedron_set

Computational geometry description of a polyhedra in Euclidean space.

NXcg_polyline_set

Computational geometry description of a set of polylines in Euclidean space.

NXcg_roi_set

Base class to hold geometric primitives.

NXcg_sphere_set

Computational geometry description of a set of spheres in Euclidean space.

NXcg_tetrahedron_set

Computational geometry description of a set of tetrahedra in Euclidean space.

NXcg_triangle_set

Computational geometry description of a set of triangles in Euclidean space.

NXcg_triangulated_surface_mesh

Computational geometry description of a mesh of triangles.

NXcg_unit_normal_set

Computational geometry description of a set of (oriented) unit normal vectors.

NXchamber

Component of an instrument to store or place objects and specimens.

NXclustering

Metadata to the results of a clustering analysis.

NXcollectioncolumn

Subclass of NXelectronanalyser to describe the electron collection column of a

NXcontainer

State of a container holding the sample under investigation.

NXcoordinate_system_set

Container to hold different coordinate systems conventions.

NXcorrector_cs

Corrector for aberrations in an electron microscope.

NXcs_computer

Computer science description of a set of computing nodes.

NXcs_cpu

Computer science description of a central processing unit (CPU) of a computer.

NXcs_filter_boolean_mask

Computer science base class for packing and unpacking booleans.

NXcs_gpu

Computer science description of a graphic processing unit (GPU) of a computer.

NXcs_io_obj

Computer science description of a storage object in an input/output system.

NXcs_io_sys

Computer science description of system of a computer.

NXcs_mm_sys

Computer science description of a main memory system of a computer.

NXcs_prng

Computer science description of pseudo-random number generator.

NXcs_profiling

Computer science description for summary performance/profiling data of an application.

NXcs_profiling_event

Computer science description of a profiling event.

NXcsg

Constructive Solid Geometry base class, using NXquadric and NXoff_geometry

NXcxi_ptycho

Application definition for a ptychography experiment, compatible with CXI from version 1.6.

NXdeflector

Deflectors as they are used e.g. in an electron analyser.

NXdelocalization

Base class to describe the delocalization of point-like objects on a grid.

NXdetector

A detector, detector bank, or multidetector.

NXdistortion

Subclass of NXprocess to describe post-processing distortion correction.

NXebeam_column

Container for components to form a controlled beam in electron microscopy.

NXelectronanalyser

Subclass of NXinstrument to describe a photoelectron analyser.

NXelectrostatic_kicker

definition for a electrostatic kicker.

NXellipsometry

Ellipsometry, complex systems, up to variable angle spectroscopy.

NXem

Characterization and session with one sample in an electron microscope.

NXenergydispersion

Subclass of NXelectronanalyser to describe the energy dispersion section of a

NXentry

(required) NXentry describes the measurement.

NXevent_data_em

Metadata and settings of an electron microscope for scans and images.

NXevent_data_em_set

Container to hold NXevent_data_em instances of an electron microscope session.

NXfabrication

Details about a component as defined by its manufacturer.

NXgraph_edge_set

A set of (eventually directed) edges which connect nodes/vertices of a graph.

NXgraph_node_set

A set of nodes/vertices in space representing members of a graph.

NXgraph_root

An instance of a graph.

NXibeam_column

Container for components of a focused-ion-beam (FIB) system.

NXimage_set_em_adf

Container for reporting a set of annular dark field images.

NXimage_set_em_bf

Container for reporting a set of images taken in bright field mode.

NXimage_set_em_bse

Container for reporting a set of back-scattered electron images.

NXimage_set_em_chamber

Container for images recorded with e.g. a TV camera in the microscope chamber.

NXimage_set_em_df

Container for reporting a set of images taken in dark field mode.

NXimage_set_em_diffrac

Container for reporting a set of diffraction images.

NXimage_set_em_ecci

Container for reporting back-scattered electron channeling contrast images.

NXimage_set_em_kikuchi

Electron backscatter diffraction (EBSD) Kikuchi pattern.

NXimage_set_em_ronchigram

Container for reporting a set of images related to a ronchigram.

NXimage_set_em_se

Container for reporting a set of secondary electron images.

NXinstrument

Collection of the components of the instrument or beamline. Template of

NXinteraction_vol_em

Base class for storing details about a modelled shape of interaction volume.

NXion

Set of atoms of a molecular ion or fragment in e.g. ToF mass spectrometry.

NXiv_temp

Application definition for temperature-dependent IV curve measurements.

NXlens_em

Description of an electro-magnetic lens or a compound lens.

NXmagnetic_kicker

definition for a magnetic kicker.

NXmanipulator

Extension of NXpositioner to include fields to describe the use of manipulators

NXmatch_filter

Settings of a filter to select or remove entries based on their value.

NXmpes

This is the most general application definition for multidimensional

NXms_crystal_set

Base class to describe data about observed crystals in microstructures.

NXms_snapshot

Base class for data on the state of the microstructure at a given time/iteration.

NXms_snapshot_set

A collection of spatiotemporal microstructure data.

NXoptical_system_em

A container for qualifying an electron optical system.

NXorientation_set

Details about individual orientations of a set of objects.

NXpeak

Description of peaks, their functional form or measured support.

NXpid

Contains the settings of a PID controller.

NXprocess

Document an event of data processing, reconstruction, or analysis for this data.

NXpulser_apm

Metadata for laser- and/or voltage-pulsing in atom probe microscopy.

NXpump

Device to reduce an atmosphere to a controlled remaining pressure level.

NXquadric

definition of a quadric surface.

NXquadrupole_magnet

definition for a quadrupole magnet.

NXreflectron

Device for reducing flight time differences of ions in ToF experiments.

NXregion

Geometry and logical description of a region of data in a parent group. When used, it could be a child group to, say, NXdetector.

NXregistration

Describes image registration procedures.

NXsample

Any information on the sample.

NXscanbox_em

Scan box and coils which deflect an electron beam in a controlled manner.

NXsensor_scan

Application definition for a generic scan using sensors.

NXseparator

definition for an electrostatic separator.

NXslip_system_set

Base class for describing a set of crystallographic slip systems.

NXsnsevent

This is a definition for event data from Spallation Neutron Source (SNS) at ORNL.

NXsnshisto

This is a definition for histogram data from Spallation Neutron Source (SNS) at ORNL.

NXsolenoid_magnet

definition for a solenoid magnet.

NXsolid_geometry

the head node for constructively defined geometry

NXsource

The neutron or x-ray storage ring/facility.

NXspatial_filter

Spatial filter to filter entries within a region-of-interest based on their position.

NXspectrum_set_em_auger

Container for reporting a set of auger electron energy spectra.

NXspectrum_set_em_cathodolum

Container for reporting a set of cathodoluminescence spectra.

NXspectrum_set_em_eels

Container for reporting a set of electron energy loss (EELS) spectra.

NXspectrum_set_em_xray

Container for reporting a set of energy-dispersive X-ray spectra.

NXspin_rotator

definition for a spin rotator.

NXspindispersion

Subclass of NXelectronanalyser to describe the spin filters in photoemission

NXstage_lab

A stage lab can be used to hold, align, orient, and prepare a specimen.

NXsubsampling_filter

Settings of a filter to sample entries based on their value.

NXtransmission

Application definition for transmission experiments

NXxpcs

X-ray Photon Correlation Spectroscopy (XPCS) data (results).