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<?xml version="1.0" encoding="UTF-8"?>
<!-- For help on the notation used to specify an Instrument Definition File
see http://www.mantidproject.org/IDF -->
<instrument xmlns="http://www.mantidproject.org/IDF/1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.mantidproject.org/IDF/1.0 http://schema.mantidproject.org/IDF/1.0/IDFSchema.xsd"
name="EMU" valid-from ="1900-01-31 23:59:01"
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valid-to ="2009-12-31 23:59:59"
last-modified="2011-01-07 00:00:00">
<defaults>
<length unit="meter"/>
<angle unit="degree"/>
<reference-frame>
<!-- The z-axis is set parallel to and in the direction of the beam. the
y-axis points up and the coordinate system is right handed. -->
<along-beam axis="z"/>
<pointing-up axis="y"/>
<handedness val="right"/>
</reference-frame>
</defaults>
<!-- BRIEF DESCRIPTION OF EMU INSTRUMENT:
Data provided by Stephen Cottrell for the EMU instrument
-->
<parameter name="Default grouping file" type="string">
<value val="Grouping/EMU_Detector_Grouping_LF_32.xml"/>
</parameter>
<!-- LIST OF PHYSICAL COMPONENTS (which the instrument consists of) -->
<!-- dummy components added for visualisation purposes.
To easy spot what geometry the instrument is in -->
<component type="along z">
<location />
</component>
<type name="along z">
<cylinder id="A">
<centre-of-bottom-base x="0.0" y="0.0" z="0.0" />
<axis x="0.0" y="0" z="1" />
<radius val="0.002" />
<height val="0.10" />
</cylinder>
</type>
<component type="along x">
<location />
</component>
<type name="along x">
<cylinder id="B">
<centre-of-bottom-base x="0.0" y="0.0" z="0.0" />
<axis x="1.0" y="0" z="0" />
<radius val="0.002" />
<height val="0.10" />
</cylinder>
</type>
<component type="along y">
<location />
</component>
<type name="along y">
<cylinder id="C">
<centre-of-bottom-base x="0.0" y="0.0" z="0.0" />
<axis x="0.0" y="1" z="0" />
<radius val="0.002" />
<height val="0.10" />
</cylinder>
</type>
<!-- source and sample-position components -->
<component type="source">
<location z="-10.0" />
</component>
<type name="source" is="Source" />
<component type="some-sample-holder">
<location />
</component>
<type name="some-sample-holder" is="SamplePos" />
<!-- detector components -->
<component type="all-rings" idlist="all">
<location />
</component>
<type name="all-rings">
<component type="rings-front" >
<location />
</component>
<component type="rings-back" >
<location />
</component>
</type>
<type name="rings-front" >
<component type="front-inner">
<location z="-0.0765" name="ring-front-inner" /> <!-- Tube nearest magnet body, scintillator furthest from beam -->
</component>
<component type="front-outer">
<location z="-0.182" name="ring-front-outer" />
</component>
</type>
<type name="rings-back" >
<component type="back-inner">
<location z="0.0765" name="ring-back-inner" />
</component>
<component type="back-outer">
<location z="0.182" name="ring-back-outer" />
</component>
</type>
<type name="front-inner">
<component type="inner-pixel">
<location r="0.0918" t="90" p="292.500000" rot="292.500000" name="det1"/>
<location r="0.0918" t="90" p="337.500000" rot="337.500000" name="det3"/>
<location r="0.0918" t="90" p="22.500000" rot="22.500000" name="det5"/>
<location r="0.0918" t="90" p="67.500000" rot="67.500000" name="det7"/>
<location r="0.0918" t="90" p="112.500000" rot="112.500000" name="det9"/>
<location r="0.0918" t="90" p="157.500000" rot="157.500000" name="det11"/>
<location r="0.0918" t="90" p="202.500000" rot="202.500000" name="det13"/>
<location r="0.0918" t="90" p="247.500000" rot="247.500000" name="det15"/>
</component>
</type>
<type name="back-inner">
<component type="inner-pixel">
<location r="0.0918" t="90" p="247.500000" rot="247.500000" name="det17"/>
<location r="0.0918" t="90" p="202.500000" rot="202.500000" name="det19"/>
<location r="0.0918" t="90" p="157.500000" rot="157.500000" name="det21"/>
<location r="0.0918" t="90" p="112.500000" rot="112.500000" name="det23"/>
<location r="0.0918" t="90" p="67.500000" rot="67.500000" name="det25"/>
<location r="0.0918" t="90" p="22.500000" rot="22.500000" name="det27"/>
<location r="0.0918" t="90" p="337.500000" rot="337.500000" name="det29"/>
<location r="0.0918" t="90" p="292.500000" rot="292.500000" name="det31"/>
</component>
</type>
<type name="front-outer">
<component type="outer-pixel">
<location r="0.0806" t="90" p="292.500000" rot="292.500000" name="det2"/>
<location r="0.0806" t="90" p="337.500000" rot="337.500000" name="det4"/>
<location r="0.0806" t="90" p="22.500000" rot="22.500000" name="det6"/>
<location r="0.0806" t="90" p="67.500000" rot="67.500000" name="det8"/>
<location r="0.0806" t="90" p="112.500000" rot="112.500000" name="det10"/>
<location r="0.0806" t="90" p="157.500000" rot="157.500000" name="det12"/>
<location r="0.0806" t="90" p="202.500000" rot="202.500000" name="det14"/>
<location r="0.0806" t="90" p="247.500000" rot="247.500000" name="det16"/>
</component>
</type>
<type name="back-outer">
<component type="outer-pixel">
<location r="0.0806" t="90" p="247.500000" rot="247.500000" name="det18"/>
<location r="0.0806" t="90" p="202.500000" rot="202.500000" name="det20"/>
<location r="0.0806" t="90" p="157.500000" rot="157.500000" name="det22"/>
<location r="0.0806" t="90" p="112.500000" rot="112.500000" name="det24"/>
<location r="0.0806" t="90" p="67.500000" rot="67.500000" name="det26"/>
<location r="0.0806" t="90" p="22.500000" rot="22.500000" name="det28"/>
<location r="0.0806" t="90" p="337.500000" rot="337.500000" name="det30"/>
<location r="0.0806" t="90" p="292.500000" rot="292.500000" name="det32"/>
</component>
</type>
<type name="inner-pixel" is="detector">
<!-- It is implicitely assumed here that the front y-z plane (looking down
the x-axis) is the surface that see the neutron beam.
This surface is 36mm along y and 30mm along z and the dept along x is 5mm. -->
<cuboid id="inner-shape">
<left-front-bottom-point x="0.0" y="-0.0365" z="-0.0245" />
<left-front-top-point x="0.0" y="0.0365" z="-0.0245" />
<left-back-bottom-point x="0.010" y="-0.0365" z="-0.0245" />
<right-front-bottom-point x="0.0" y="-0.0365" z="0.0245" />
</cuboid>
<algebra val="inner-shape" />
</type>
<type name="outer-pixel" is="detector">
<!-- It is implicitely assumed here that the front y-z plane (looking down
the x-axis) is the surface that see the neutron beam.
This surface is 30mm along y and 171mm along z and the dept along x is 5mm. -->
<cuboid id="outer-shape">
<left-front-bottom-point x="0.0" y="-0.032" z="-0.093" />
<left-front-top-point x="0.0" y="0.032" z="-0.093" />
<left-back-bottom-point x="0.010" y="-0.032" z="-0.093" />
<right-front-bottom-point x="0.0" y="-0.032" z="0.093" />
</cuboid>
<algebra val="outer-shape" />
</type>
<!-- DETECTOR ID LISTS -->
<idlist idname="all">
<id start="1" step="2" end="15"/>
<id start="2" step="2" end="16"/>
<id start="17" step="2" end="31"/>
<id start="18" step="2" end="32"/>
</idlist>
</instrument>