.. auto-generated by script ../../../../utils/nxdl2rst.py from the NXDL source NXxas.nxdl.xml .. index:: ! NXxas (application definition) ! xas (application definition) see: xas (application definition); NXxas .. _NXxas: ===== NXxas ===== **Status**: application definition, extends :ref:`NXobject` **Description**: This is an application definition for raw data from an X-ray absorption spectroscopy experiment. This is essentially a scan on energy versus incoming/ absorbed beam. **Symbols**: The symbol(s) listed here will be used below to coordinate datasets with the same shape. **nP**: Number of points **Groups cited**: :ref:`NXdata`, :ref:`NXdetector`, :ref:`NXentry`, :ref:`NXinstrument`, :ref:`NXmonitor`, :ref:`NXmonochromator`, :ref:`NXsample`, :ref:`NXsource` .. index:: NXentry (base class); used in application definition, NXinstrument (base class); used in application definition, NXsource (base class); used in application definition, NXmonochromator (base class); used in application definition, NXdetector (base class); used in application definition, NXsample (base class); used in application definition, NXmonitor (base class); used in application definition, NXdata (base class); used in application definition **Structure**: .. _/NXxas/ENTRY-group: **ENTRY**: (required) :ref:`NXentry` .. _/NXxas/ENTRY@entry-attribute: .. index:: entry (group attribute) **@entry**: (required) :ref:`NX_CHAR ` NeXus convention is to use "entry1", "entry2", ... for analysis software to locate each entry. .. _/NXxas/ENTRY/title-field: .. index:: title (field) **title**: (required) :ref:`NX_CHAR ` .. _/NXxas/ENTRY/start_time-field: .. index:: start_time (field) **start_time**: (required) :ref:`NX_DATE_TIME ` .. _/NXxas/ENTRY/definition-field: .. index:: definition (field) **definition**: (required) :ref:`NX_CHAR ` Official NeXus NXDL schema to which this file conforms Obligatory value: ``NXxas`` .. _/NXxas/ENTRY/INSTRUMENT-group: **INSTRUMENT**: (required) :ref:`NXinstrument` .. _/NXxas/ENTRY/INSTRUMENT/SOURCE-group: **SOURCE**: (required) :ref:`NXsource` .. _/NXxas/ENTRY/INSTRUMENT/SOURCE/type-field: .. index:: type (field) **type**: (required) :ref:`NX_CHAR ` .. _/NXxas/ENTRY/INSTRUMENT/SOURCE/name-field: .. index:: name (field) **name**: (required) :ref:`NX_CHAR ` .. _/NXxas/ENTRY/INSTRUMENT/SOURCE/probe-field: .. index:: probe (field) **probe**: (required) :ref:`NX_CHAR ` Obligatory value: ``x-ray`` .. _/NXxas/ENTRY/INSTRUMENT/monochromator-group: **monochromator**: (required) :ref:`NXmonochromator` .. _/NXxas/ENTRY/INSTRUMENT/monochromator/energy-field: .. index:: energy (field) **energy**: (required) :ref:`NX_FLOAT ` (Rank: 1, Dimensions: [nP]) .. _/NXxas/ENTRY/INSTRUMENT/incoming_beam-group: **incoming_beam**: (required) :ref:`NXdetector` .. _/NXxas/ENTRY/INSTRUMENT/incoming_beam/data-field: .. index:: data (field) **data**: (required) :ref:`NX_INT ` (Rank: 1, Dimensions: [nP]) .. _/NXxas/ENTRY/INSTRUMENT/absorbed_beam-group: **absorbed_beam**: (required) :ref:`NXdetector` .. _/NXxas/ENTRY/INSTRUMENT/absorbed_beam/data-field: .. index:: data (field) **data**: (required) :ref:`NX_INT ` (Rank: 1, Dimensions: [nP]) mark this field with attribute ``signal=1`` .. _/NXxas/ENTRY/SAMPLE-group: **SAMPLE**: (required) :ref:`NXsample` .. _/NXxas/ENTRY/SAMPLE/name-field: .. index:: name (field) **name**: (required) :ref:`NX_CHAR ` Descriptive name of sample .. _/NXxas/ENTRY/MONITOR-group: **MONITOR**: (required) :ref:`NXmonitor` .. _/NXxas/ENTRY/MONITOR/mode-field: .. index:: mode (field) **mode**: (required) :ref:`NX_CHAR ` Count to a preset value based on either clock time (timer) or received monitor counts (monitor). Any of these values: ``monitor`` | ``timer`` .. _/NXxas/ENTRY/MONITOR/preset-field: .. index:: preset (field) **preset**: (required) :ref:`NX_FLOAT ` preset value for time or monitor .. _/NXxas/ENTRY/MONITOR/data-field: .. index:: data (field) **data**: (required) :ref:`NX_INT ` (Rank: 1, Dimensions: [nP]) .. _/NXxas/ENTRY/DATA-group: **DATA**: (required) :ref:`NXdata` .. _/NXxas/ENTRY/DATA/energy-link: **energy**: :ref:`link` (suggested target: ``/entry/instrument/monochromator/energy`` .. _/NXxas/ENTRY/DATA/absorbed_beam-link: **absorbed_beam**: :ref:`link` (suggested target: ``/entry/instrument/absorbed_beam/data`` Hypertext Anchors ----------------- List of hypertext anchors for all groups, fields, attributes, and links defined in this class. * :ref:`/NXxas/ENTRY-group ` * :ref:`/NXxas/ENTRY/DATA-group ` * :ref:`/NXxas/ENTRY/DATA/absorbed_beam-link ` * :ref:`/NXxas/ENTRY/DATA/energy-link ` * :ref:`/NXxas/ENTRY/definition-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT-group ` * :ref:`/NXxas/ENTRY/INSTRUMENT/absorbed_beam-group ` * :ref:`/NXxas/ENTRY/INSTRUMENT/absorbed_beam/data-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT/incoming_beam-group ` * :ref:`/NXxas/ENTRY/INSTRUMENT/incoming_beam/data-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT/monochromator-group ` * :ref:`/NXxas/ENTRY/INSTRUMENT/monochromator/energy-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT/SOURCE-group ` * :ref:`/NXxas/ENTRY/INSTRUMENT/SOURCE/name-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT/SOURCE/probe-field ` * :ref:`/NXxas/ENTRY/INSTRUMENT/SOURCE/type-field ` * :ref:`/NXxas/ENTRY/MONITOR-group ` * :ref:`/NXxas/ENTRY/MONITOR/data-field ` * :ref:`/NXxas/ENTRY/MONITOR/mode-field ` * :ref:`/NXxas/ENTRY/MONITOR/preset-field ` * :ref:`/NXxas/ENTRY/SAMPLE-group ` * :ref:`/NXxas/ENTRY/SAMPLE/name-field ` * :ref:`/NXxas/ENTRY/start_time-field ` * :ref:`/NXxas/ENTRY/title-field ` * :ref:`/NXxas/ENTRY@entry-attribute ` **NXDL Source**: https://github.com/nexusformat/definitions/blob/main/applications/NXxas.nxdl.xml