.. auto-generated by script ../../../../utils/nxdl2rst.py from the NXDL source NXindirecttof.nxdl.xml

.. index::
    ! NXindirecttof (application definition)
    ! indirecttof (application definition)
    see: indirecttof (application definition); NXindirecttof

.. _NXindirecttof:

=============
NXindirecttof
=============

**Status**:

  application definition, extends :ref:`NXtofraw`

**Description**:

  This is a application definition for raw data from a direct geometry TOF spectrometer

**Symbols**:

  No symbol table

**Groups cited**:
  :ref:`NXentry`, :ref:`NXinstrument`, :ref:`NXmonochromator`

.. index:: NXentry (base class); used in application definition, NXinstrument (base class); used in application definition, NXmonochromator (base class); used in application definition

**Structure**:

  **entry**: (required) :ref:`NXentry`


    .. index:: title (field)

    **title**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. index:: start_time (field)

    **start_time**: (required) :ref:`NX_DATE_TIME <NX_DATE_TIME>`


    .. index:: definition (field)

    **definition**: (required) :ref:`NX_CHAR <NX_CHAR>`

      Official NeXus NXDL schema to which this file conforms

      Obligatory value:  ``NXindirecttof``

    **(instrument)**: (required) :ref:`NXinstrument`


      **analyser**: (required) :ref:`NXmonochromator`


        .. index:: energy (field)

        **energy[nDet]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ENERGY <NX_ENERGY>`}

          analyzed energy

        .. index:: polar_angle (field)

        **polar_angle[ndet]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`}

          polar angle towards sample

        .. index:: distance (field)

        **distance[ndet]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}

          distance from sample

**NXDL Source**:
  https://github.com/nexusformat/definitions/blob/master/applications/NXindirecttof.nxdl.xml