Image-DS9

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$xpaset -p ds9 vla save yes<br>
$xpaset -p ds9 vla frame current<br>
$xpaset -p ds9 vla update frame<br>
$xpaset -p ds9 vla survey stripe82<br>
$xpaset -p ds9 vla open<br>
$xpaset -p ds9 vla close</tt><br>
<p><b><a name="vlss" id="vlss"></a>vlss</b></p>
<p>Support for NRAO VLSS Sky Survey.</p>
<tt>Syntax:<br>
vlss []<br>
&nbsp;&nbsp;&nbsp; [&lt;object&gt;]<br>
&nbsp;&nbsp;&nbsp; [name &lt;object&gt;]<br>
&nbsp;&nbsp;&nbsp; [&lt;ra&gt; &lt;dec&gt;] # in wcs fk5<br>
&nbsp;&nbsp;&nbsp; [size &lt;width&gt; &lt;height&gt; degrees|arcmin|arcsec]<br>
&nbsp;&nbsp;&nbsp; [save yes|no]<br>
&nbsp;&nbsp;&nbsp; [frame new|current]<br>
&nbsp;&nbsp;&nbsp; [update frame|crosshair]<br>
&nbsp;&nbsp;&nbsp; [open|close]<br>
&nbsp;<br>
Example:<br>
$xpaget ds9 vlss name<br>
$xpaget ds9 vlss coord<br>
$xpaget ds9 vlss size<br>
$xpaget ds9 vlss save<br>
$xpaget ds9 vlss frame<br>
<br>
$xpaset -p ds9 vlss<br>
$xpaset -p ds9 vlss m31<br>
$xpaset -p ds9 vlss name m31<br>
$xpaset -p ds9 vlss name clear<br>
$xpaset -p ds9 vlss 00:42:44.404 +41:16:08.78<br>
$xpaset -p ds9 vlss size 60 60 arcmin<br>
$xpaset -p ds9 vlss save yes<br>
$xpaset -p ds9 vlss frame current<br>
$xpaset -p ds9 vlss update frame<br>
$xpaset -p ds9 vlss open<br>
$xpaset -p ds9 vlss close</tt><br>
<p><b><a name="vo" id="vo"></a>vo</b></p>
<p>Invoke an connection to a Virtual Observatory site.</p>
<tt>Syntax:<br>
vo [method xpa|mime]<br>
&nbsp;&nbsp; [server &lt;url&gt;]<br>
&nbsp;&nbsp; [internal yes|no]<br>
&nbsp;&nbsp; [delay #]<br>
&nbsp;&nbsp; [&lt;url&gt;]<br>
&nbsp;&nbsp; [connect &lt;url&gt;]<br>
&nbsp;&nbsp; [disconnect &lt;url&gt;]<br>
&nbsp;&nbsp; [open|close]<br>
<br>
Example:<br>
$xpaget ds9 vo<br>
$xpaget ds9 vo method<br>
$xpaget ds9 vo server<br>
$xpaget ds9 vo internal<br>
$xpaget ds9 vo delay<br>
$xpaget ds9 vo connect<br>
<br>
$xpaset -p ds9 vo method xpa<br>
$xpaset -p ds9 vo server http://foo.bar.edu/list.txt<br>
$xpaset -p ds9 vo internal yes<br>
$xpaset -p ds9 vo delay 15 # keep-alive delay<br>
$xpaset -p ds9 vo chandra-ed<br>
$xpaset -p ds9 vo connect chandra-ed<br>
$xpaset -p ds9 vo disconnect chandra-ed<br>
$xpaset -p ds9 vo open<br>
$xpaset -p ds9 vo close<br></tt>
<p><b><a name="wcs" id="wcs"></a>wcs</b></p>
<p>Controls the World Coordinate System for the current frame. If the wcs system, skyframe, or skyformat is modified, the info panel, compass, grid, and alignment will be modified accordingly. Also, using this access point, a new WCS specification ca...
<tt>Syntax:<br>
wcs [[system] wcs|wcsa...wcsz]<br>
&nbsp;&nbsp;&nbsp; [[sky] fk4|fk5|icrs|galactic|ecliptic]<br>
&nbsp;&nbsp;&nbsp; [[skyformat] degrees|sexagesimal]<br>
&nbsp;&nbsp;&nbsp; [align yes|no]<br>
&nbsp;&nbsp;&nbsp; [reset]<br>
&nbsp;&nbsp;&nbsp; [load &lt;filename&gt;]<br>
&nbsp;&nbsp;&nbsp; [save [&lt;ext&gt;] &lt;filename&gt;]<br>
&nbsp;&nbsp;&nbsp; [open|close]<br>
<br>
Example:<br>
$xpaget ds9 wcs<br>
$xpaget ds9 wcs system<br>
$xpaget ds9 wcs sky<br>
$xpaget ds9 wcs skyformat<br>
$xpaget ds9 wcs align<br>
<br>
$xpaset -p ds9 wcs wcs<br>
$xpaset -p ds9 wcs system wcs<br>
$xpaset -p ds9 wcs fk5<br>
$xpaset -p ds9 wcs sky fk5<br>
$xpaset -p ds9 wcs sexagesimal<br>
$xpaset -p ds9 wcs skyformat sexagesimal<br>
$xpaset -p ds9 wcs align yes<br>
$xpaset -p ds9 wcs reset<br>
$xpaset -p ds9 wcs load foo.wcs<br>
$xpaset -p ds9 wcs save foo.wcs<br>
$xpaset -p ds9 wcs save 1 foo.wcs<br>
$xpaset -p ds9 open<br>
$xpaset -p ds9 close<br></tt><br>
<p><b><a name="web" id="web"></a>web</b></p>
<p>Display specified URL in the web display.</p>
<tt>Syntax:<br>
web []<br>
&nbsp;&nbsp;&nbsp; [&lt;url&gt;]<br>
&nbsp;&nbsp;&nbsp; [new &lt;webname&gt; &lt;url&gt;]<br>
&nbsp;&nbsp;&nbsp; [&lt;webname&gt;] [click back|forward|stop|reload|#]<br>
&nbsp;&nbsp;&nbsp; [&lt;webname&gt;] [clear]<br>
&nbsp;&nbsp;&nbsp; [&lt;webname&gt;] [close]<br>
&nbsp;<br>
Example:<br>
$xpaget ds9 web<br>
<br>
$xpaset -p ds9 web www.cnn.com<br>
$xpaset -p ds9 web new www.cnn.com<br>
$xpaset -p ds9 web hvweb www.apple.com<br>
$xpaset -p ds9 web click back<br>
$xpaset -p ds9 web click 2<br>
$xpaset -p ds9 web clear<br>
$xpaset -p ds9 web close<br></tt>
<p><b><a name="width" id="width"></a>width</b></p>
<p>Set the width of the image display window.</p>
<tt>Syntax:<br>



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