<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" ?>
<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">
<task type="function" name="imval" category="analysis, information">
<shortdescription>Get the data value(s) and/or mask value in an image.</shortdescription>
<param type="string" name="imagename" mustexist="true" >
<description>Name of the input image</description>
<example>imagename='ngc5921_task.image'</example>
<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'/>
<param type="string" name="box">
<description>Rectangular region(s) to select in direction plane. Empty string (default) means use the reference pixel.</description>
<param type="string" name="chans" >
<description>Channels to use. Default is to use all channels.</description>
<param type="string" name="stokes">
<description>Stokes planes to use. Planes specified must be contiguous. Default is to use all Stokes planes.</description>
<example>stokes="IQ"</example>
<example>stokes="RR,LL"</example>
<param type="any" name="blc">
<description>Bottom-left corner of the bounding box that encloses the region being examined..</description>
<param type="any" name="trc">
<description>top-right corner of the bounding box that encloses the region being examined.</description>
<param type="any" name="axes">
<description>A listing of the axis index numbers and the data stored along that axis.</description>