NXvelocity selector
From NeXus
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XML Meta-DTD Definition for NXvelocity_selector.xml
This follows the XML Meta-DTD Definition format and can be downloaded from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXvelocity_selector.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
URL: http://www.nexus.anl.gov/classes/xml/NXvelocity_selector.xml
Editor: Ron Ghosh
$Id: NXvelocity_selector.xml 4 2005-07-19 04:10:26Z rio $
This is the description for a velocity selector.
Proposed by: Ron Ghosh
-->
<NXvelocity_selector name="selector_name">
<type type="NX_CHAR">
{Vselect type}?
</type>
<rotation_speed type="NX_FLOAT" units="rpm">
{selector rotation speed}?
</rotation_speed>
<radius type="NX_FLOAT" units="cm">
{radieus at beam centre}?
</radius>
<spwidth type="NX_FLOAT" units="cm">
{spoke width at beam centre}?
</spwidth>
<length type="NX_FLOAT" units="cm">
{rotor length}?
</length>
<num type="NX_INT">
{number of spokes/lamella}?
</num>
<twist type="NX_FLOAT" units="degrees">
{twist angle along axis}?
</twist>
<table type="NX_FLOAT" units="degrees">
{offset vertical angle}?
</table>
<height type="NX_FLOAT" units="cm">
{input beam height}?
</height>
<width type="NX_FLOAT" units="cm">
{input beam width}?
</width>
<wavelength type="NX_FLOAT" units="nm">
{wavelength}
</wavelength>
<wavelength_spread type="NX_FLOAT">
{% deviation FWHM /Wavelength}?
</wavelength_spread>
<NXgeometry name="">
{geometry of the velocity selector}?
</NXgeometry>
</NXvelocity_selector>
Tabular Representation of XML Meta-DTD
(automatically generated from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXvelocity_selector.xml)
-
NXvelocity_selector
Name Type Description Attributes type NX_CHAR Vselect type rotation_speed NX_FLOAT selector rotation speed units="rpm"
radius NX_FLOAT radieus at beam centre units="cm"
spwidth NX_FLOAT spoke width at beam centre units="cm"
length NX_FLOAT rotor length units="cm"
num NX_INT number of spokes/lamella twist NX_FLOAT twist angle along axis units="degrees"
table NX_FLOAT offset vertical angle units="degrees"
height NX_FLOAT input beam height units="cm"
width NX_FLOAT input beam width units="cm"
wavelength NX_FLOAT wavelength units="nm"
wavelength_spread NX_FLOAT % deviation FWHM /Wavelength NXgeometry geometry of the velocity selector

