XPA supports host-based access control for each XPA access point. You can enable/disable access control using the XPA_ACL environment variable. ... See XPA Access Points and Templates for more information about xpa templates. ... For example: xpaset -p xpa1 -acl "somehost -" will turn off all access control for somehost to the xpa1 access point, while: xpaset -p XPA:xpa1 -acl "beberly gs" will give beberly xpaget and xpaset access to the access point whose class is XPA and whose name is xpa1. ...

... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... It is often useful to explicitly specify the desired rotation of the WFPC2 field-of-view on the sky. ... Figure 7.8 shows the CCD orientation and aperture locations relative to the U3 axis. ... Obtain the Position Angle (PA) of the source axis on the sky, measured in the standard way, North through East. ... desired source angle in field-of-view measured CW from +U3 axis) . ...

... PmWiki . Summary: PmWiki group header. ... Page Variables | ... Defining page text variables . ... Page text variables are string variables created in the wiki text of a page, and can be automatically made available for inclusion in other pages. ... use a definition list - the normal pmwiki markup for a definition list will create a page text variable . ... This creates a new variable that can be accessed by {$:Name} (becomes: "{$:Name}") in the page. use a simple colon delimiter in normal text . ...