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<?xml version="1.0" encoding="UTF-8" ?>
<ProcessCoveragesRequest xmlns="http://www.opengis.net/wcps/1.0" service="WCPS" version="1.0.0">
<query><xmlSyntax><coverageIterator><iteratorVar>c</iteratorVar><coverageName>rgb</coverageName></coverageIterator><encode store="false"><trim><cast><abs><minus><fieldSelect><coverage>c</coverage><field><name>1</name></field></fieldSelect><fieldSelect><coverage>c</coverage><field><name>0</name></field></fieldSelect></minus></abs><type>char</type></cast><axis>x</axis><lowerBound><numericConstant>0</numericConstant></lowerBound><upperBound><numericConstant>450</numericConstant></upperBound><axis>y</axis><lowerBound><numericConstant>0</numericConstant></lowerBound><upperBound><numericConstant>300</numericConstant></upperBound></trim><format>png</format></encode></xmlSyntax></query></ProcessCoveragesRequest>