NXmonitor
From NeXus
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XML Meta-DTD Definition for NXmonitor.xml
This follows the XML Meta-DTD Definition format and can be downloaded from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXmonitor.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
URL: http://www.nexus.anl.gov/classes/xml/NXmonitor.xml
Editor: NIAC
$Id: NXmonitor.xml 26 2006-10-06 20:45:13Z pj $
Template of monitor data. It is similar to the NXdata groups containing
monitor data and its associated dimension scale, e.g. time_of_flight or
wavelength in pulsed neutron instruments. However, it may also include
integrals, or scalar monitor counts, which are often used in both in both
pulsed and steady-state instrumentation.
-->
<NXmonitor name="{Name of monitor}">
<mode type="NX_CHAR">
"monitor"|"timer"
</mode>
<preset type="NX_FLOAT">
{preset value for time or monitor}
</preset>
<distance type="NX_FLOAT" units="metre">
{Distance of monitor from sample}
</distance>
<range type="NX_FLOAT[2]">
{Time-of-flight range over which the integral was calculated}
</range>
<integral type="NX_FLOAT" units="">
{Total integral monitor counts}
</integral>
<integral_log type="NXlog" units="">
{Time variation of monitor counts}
</integral_log>
<type type="NX_CHAR">
"Fission Chamber"|"Scintillator"
</type>
<time_of_flight type="NX_FLOAT[i]" units="microsecond">
{Time-of-flight}
</time_of_flight>
<efficiency type="NX_FLOAT[i]">
{Monitor efficiency}
</efficiency>
<data type="NX_INT[i]|NX_FLOAT[i]" units="" signal="1" axes="">
{Monitor data}
</data>
<sampled_fraction type="NX_FLOAT">
{Proportion of incident beam sampled by the monitor (0<x<1)}
</sampled_fraction>
<NXgeometry name="">
{Geometry of the monitor}
</NXgeometry>
<count_time type="NX_FLOAT" units="second">
{Elapsed actual counting time, can be an array of size np when scanning. This is not the difference of the calendar time but the time the instrument was really counting, without pauses or times lost due beam unavailability}
</count_time>
</NXmonitor>
Tabular Representation of XML Meta-DTD
(automatically generated from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXmonitor.xml)
-
NXmonitor
Name Type Description Attributes mode NX_CHAR preset NX_FLOAT preset value for time or monitor distance NX_FLOAT Distance of monitor from sample units="metre"
range NX_FLOAT[2] Time-of-flight range over which the integral was calculated integral NX_FLOAT Total integral monitor counts units=""
integral_log NXlog Time variation of monitor counts units=""
type NX_CHAR time_of_flight NX_FLOAT[i] Time-of-flight units="microsecond"
efficiency NX_FLOAT[i] Monitor efficiency data NX_INT[i]|NX_FLOAT[i] Monitor data units=""
signal="1"
axes=""
sampled_fraction NX_FLOAT Proportion of incident beam sampled by the monitor (0<x<1) NXgeometry Geometry of the monitor count_time NX_FLOAT Elapsed actual counting time, can be an array of size np when scanning. This is not the difference of the calendar time but the time the instrument was really counting, without pauses or times lost due beam unavailability units="second"
