NXfermi chopper
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XML Meta-DTD Definition for NXfermi_chopper.xml
This follows the XML Meta-DTD Definition format and can be downloaded from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXfermi_chopper.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
URL: http://www.nexus.anl.gov/classes/xml/NXfermi_chopper.xml
Editor: Ron Ghosh
$Id: NXfermi_chopper.xml 4 2005-07-19 04:10:26Z rio $
This is the description for a Fermi chopper, possibly with curved slits.
-->
<NXfermi_chopper name="chopper_name">
<type type="NX_CHAR">
{fchopper type}?
</type>
<rotation_speed type="NX_FLOAT" units="rpm">
{chopper rotation speed}?
</rotation_speed>
<radius type="NX_FLOAT" units="cm">
{radius of chopper}?
</radius>
<slit type="NX_FLOAT" units="cm">
{width of an individual slit}?
</slit>
<r_slit type="NX_FLOAT" units="cm">
{radius of curvature of slits}?
</r_slit>
<num type="NX_INT">
{number of slits}?
</num>
<height type="NX_FLOAT" units="cm">
{input beam height}?
</height>
<width type="NX_FLOAT" units="cm">
{input beam width}?
</width>
<wavelength type="NX_FLOAT">
{Wavelength transmitted by chopper}?
</wavelength>
<NXgeometry name="">
{geometry of the fermi chopper}?
</NXgeometry>
<absorbing_material type="NX_CHAR">
{absorbing material}?
</absorbing_material>
<transmitting_material type="NX_CHAR">
{transmitting material}?
</transmitting_material>
</NXfermi_chopper>
Tabular Representation of XML Meta-DTD
(automatically generated from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXfermi_chopper.xml)
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NXfermi_chopper
Name Type Description Attributes type NX_CHAR fchopper type rotation_speed NX_FLOAT chopper rotation speed units="rpm"
radius NX_FLOAT radius of chopper units="cm"
slit NX_FLOAT width of an individual slit units="cm"
r_slit NX_FLOAT radius of curvature of slits units="cm"
num NX_INT number of slits height NX_FLOAT input beam height units="cm"
width NX_FLOAT input beam width units="cm"
wavelength NX_FLOAT Wavelength transmitted by chopper NXgeometry geometry of the fermi chopper absorbing_material NX_CHAR absorbing material transmitting_material NX_CHAR transmitting material
