MR Session Schematron

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mrsession_rules.sch file contents:

<?xml version="1.0" encoding="iso-8859-1"?>
<iso:schema    xmlns="http://purl.oclc.org/dsdl/schematron"
           xmlns:iso="http://purl.oclc.org/dsdl/schematron"
           xmlns:nrgxsl="http://nrg.wustl.edu/validate"
           queryBinding='xslt2'
           schemaVersion="ISO19757-3">
<iso:ns uri="http://nrg.wustl.edu/xnat" prefix="xnat"/>
<iso:title>Protocol Validator</iso:title>

<iso:pattern id="Start">
       <iso:title>Validation report</iso:title>
        <iso:rule context="/">
            <iso:assert test="xnat:MRSession">The root element must be an MRSession</iso:assert>
        </iso:rule>
        <iso:rule context="xnat:MRSession">
       <iso:report id="expt_id" test="true()"><iso:value-of select="@ID"/></iso:report>
       <iso:report id="expt_project" test="true()"><iso:value-of select="@project"/></iso:report>
       <iso:report id="expt_label" test="true()"><iso:value-of select="@label"/></iso:report>
        </iso:rule>
</iso:pattern>
<iso:pattern id="Acquisition">
        <iso:rule context="xnat:scans">
       <iso:assert test="count(xnat:scan[@type='AX FSPGR FS T1']) >= 1 and count(xnat:scan[@type='AX FRFSE-XL T2']) >= 1">
       <nrgxsl:acquisition>
       <nrgxsl:cause-id>MR Count</nrgxsl:cause-id>
          MR Session must have at least 1 AX FSPGR FS T1 scan and at least 1 AX FRFSE-XL T2 scans. Found <iso:value-of select="count(xnat:scan[@type='AX FSPGR FS T1'])"/> AX FSPGR FS T1 scans and <iso:value-of select="count(xnat:scan[@type='AX FRFSE-XL T2'])"/> AX FRFSE-XL T2 scans.
       </nrgxsl:acquisition>
       </iso:assert>
            </iso:rule>
</iso:pattern>
<iso:pattern id="ListScanIds">
        <iso:rule context="//xnat:scan">
       <iso:report test="@ID">
          <nrgxsl:scans>
            <iso:value-of select="@ID"/>
          </nrgxsl:scans>
       </iso:report>
            </iso:rule>
</iso:pattern>
<iso:pattern id="Scan">
       <iso:rule context="/xnat:MRSession/xnat:scans/xnat:scan[@type='AX FSPGR FS T1']">
           <iso:assert test="xnat:frames >= 30 and xnat:frames <= 40" >
               <nrgxsl:scan>
                  <nrgxsl:scan-id><iso:value-of select="@ID"/></nrgxsl:scan-id>
                  <nrgxsl:cause-id>Frames</nrgxsl:cause-id>
                  <nrgxsl:xmlpath>frames</nrgxsl:xmlpath>
                  <iso:value-of select="concat( 'Expected: Between 30 and 40 Found: ', ./xnat:frames)"/>
               </nrgxsl:scan>
           </iso:assert>
                        <iso:assert test="xnat:fieldStrength = 3.0" >
                           <nrgxsl:scan>
                              <nrgxsl:scan-id><iso:value-of select="@ID"/></nrgxsl:scan-id>
                              <nrgxsl:cause-id>FieldStrength</nrgxsl:cause-id>
                              <nrgxsl:xmlpath>fieldStrength</nrgxsl:xmlpath>
                              <iso:value-of select="concat( 'Expected: Field Strength 3.0 Found: ', ./xnat:fieldStrength)"/>
                           </nrgxsl:scan>
                        </iso:assert>
           <iso:assert test="xnat:parameters/xnat:tr > 300 and xnat:parameters/xnat:tr < 500" >
               <nrgxsl:scan>
                  <nrgxsl:scan-id><iso:value-of select="@ID"/></nrgxsl:scan-id>
                  <nrgxsl:cause-id>TR</nrgxsl:cause-id>
                  <nrgxsl:xmlpath>parameters.tr</nrgxsl:xmlpath>
               <iso:value-of select="concat('Expected: Between 300 and 500 Found: ', ./xnat:parameters/xnat:tr)"/>
               </nrgxsl:scan>
           </iso:assert>
           <iso:assert test="xnat:parameters/xnat:te > 5.000 and xnat:parameters/xnat:te < 7.500" >
               <nrgxsl:scan>
                  <nrgxsl:scan-id><iso:value-of select="@ID"/></nrgxsl:scan-id>
                  <nrgxsl:cause-id>TE</nrgxsl:cause-id>
                  <nrgxsl:xmlpath>parameters.te</nrgxsl:xmlpath>
               <iso:value-of select="concat('Expected: Between 5.000 and 7.500 Found: ', ./xnat:parameters/xnat:te)"/>
               </nrgxsl:scan>
           </iso:assert>
       </iso:rule>
</iso:pattern>

</iso:schema>