base class, extends NXobject


A beamline aperture.


No symbol table

Groups cited:

NXgeometry, NXnote


@default: (optional) NX_CHAR

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.

material: (optional) NX_CHAR

Absorbing material of the aperture

description: (optional) NX_CHAR

Description of aperture

GEOMETRY: (optional) NXgeometry

location and shape of aperture

BLADE_GEOMETRY: (optional) NXgeometry

location and shape of each blade

NOTE: (optional) NXnote

describe any additional information in a note*

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













NXDL Source: