<?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="boxit" category="imaging" visibility="experimental">
<shortdescription>Box regions in image above given threshold value.</shortdescription>
<description>Returns a list of boxes, one for each contiguous set of pixels
above the threshold value. If given "regionfile", outputs boxes in
regionfile+'.rgn'</description>
<param type="string" name="imagename" mustexist="true">
<description>Name of image to threshold</description>
<param type="string" name="regionfile">
<description>Output region file</description>
<param type="double" name="threshold" units="mJy">
<description>Threshold value. Must include units.</description>
<param type="string" name="maskname">
<description>Output mask name (optional).</description>
<param type="string" name="chanrange">
<description>Range of channel ids</description>
<param type="string" name="polrange">
<description>Range of polarization ids</description>
<param type="int" name="minsize">
<description>Minimum number of pixels for a boxable island</description>
<param type="bool" name="diag">
<description>Count diagonal connections?</description>
<param type="int" name="boxstretch">
<description>Increase box sizes by this many pixels beyond thresholded pixels.</description>