casa5

<?xml version="1.0" encoding="UTF-8"?>

<?xml-stylesheet type="text/xsl" ?>

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<casaxml xmlns="http://casa.nrao.edu/schema/psetTypes.html"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://casa.nrao.edu/schema/casa.xsd

file:///opt/casa/code/xmlcasa/xml/casa.xsd">

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<task type="function" name="imval" category="analysis, information">

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<shortdescription>Get the data value(s) and/or mask value in an image.</shortdescription>

​

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<input>

    <param type="string" name="imagename" mustexist="true" >

        <description>Name of the input image</description>

        <value></value>

        <example>imagename='ngc5921_task.image'</example>

    </param>

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    <param type="any" name="region">

        <description>Region selection. Empty string (default) means use rules for box/chans/stokes specification.</description>

    <any type='variant' limittype='string stringArray'/>

        <value type='string'/>

    </param>

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    <param type="string" name="box">

        <description>Rectangular region(s) to select in direction plane. Empty string (default) means use the reference pixel.</description>

        <value/>

    </param>

​

    <param type="string" name="chans" >

    <description>Channels to use. Default is to use all channels.</description>

        <value/>

    </param>

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    <param type="string" name="stokes">

        <description>Stokes planes to use. Planes specified must be contiguous. Default is to use all Stokes planes.</description>

        <value/>

        <example>stokes=&quot;IQ&quot;</example>

        <example>stokes=&quot;RR,LL&quot;</example>

    </param>

    <constraints>

    </constraints>

</input>

    <output>

      <param type="any" name="blc">

        <description>Bottom-left corner of the bounding box that encloses the region being examined..</description>

    <any type="variant"/>

    <value>{}</value>

      </param>

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      <param type="any" name="trc">

        <description>top-right corner of the bounding box that encloses the region being examined.</description>

    <any type="variant"/>

    <value>{}</value>

      </param>

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     <param type="any" name="axes">

        <description>A listing of the axis index numbers and the data stored along that axis.</description>

    <any type="variant"/>

    <value>{}</value>

      </param>