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Matching CIAO and CALDB VersionsCIAO 4.0 requires CALDB 3.4.0 or higher to operate properly. Are your versions mismatched? Time to update CIAO and CALDB! Source Detection and Cosmic-Ray AfterglowsCIAO users who are trying to detect sources of about 10 counts or less should be aware of potential confusion with cosmic-ray afterglows that have not been removed from the data. The Cosmic-Ray Afterglows why topic explains the limitations of the current tools and describes analysis tips to help eliminate more of the afterglows. 07 May 2008 Information about installing CIAO on unsupported platforms has been added to the Platforms webpage 16 Apr 2008 CIAO has been patched to CIAO 4.0.2. The CIAO 4.0.2 patch enables CIAO to run on Mac OS X 10.5 (Leopard) Intel. The patch is optional for 10.4 (Tiger) Intel machines. The patch should not be applied to Linux, Solaris, or Mac PowerPC installations of CIAO. Additionally, there is an updated standalone version of ObsVis for Mac OS X Intel; see the ObsVis website for details and the download. 16 Apr 2008 Mac OS X platforms: FITS table file writing slowness with NFS-mounted disks. FITS table file writing through the CXC Data Model slows by a significant factor on Mac OS X machines - both 10.4 (Tiger) and 10.5 (Leopard) - when the data is accessed via a networked file system (NFS) mount. This issue does not affect Solaris or Linux platforms. |
CIAO 4.0 Contributed ScriptsMany data analysis tasks, particularly those that involve a formulaic procedure or many repetitions of a process, can be greatly simplified with scripts. Analysis scripts allow users to extend the functionality of a software package by writing custom "tools" to fit their specific needs. CIAO provides extensive support for the S-Lang scripting language, but shell and Perl scripts can also be used. Please note that these scripts are not official CIAO tools. When using one of these scripts, you should always be aware of exactly what the script is doing, as you are responsible for the validity of any scientific results obtained from it. If you find a problem with a script, please notify the CXC Helpdesk. Known issues with the scripts are included in the CIAO bug pages. InstallationThe installation instructions explain how to install the script package (CIAO_4.0_scripts.tar), as well as how to run individual scripts. Download the Script Package
A VERSION.CIAO_scripts file is included in the scripts package. This allows you to check if you are working with the newest set of scripts: unix% cat $ASCDS_CONTRIB/VERSION.CIAO_scripts 17 Mar 2008 14:21:26 EDT The VERSION.CIAO_scripts file is updated when you install a newer scripts package. History of Changes
The Script Update History has a record of all changes made to the scripts package since the most recent CIAO release. Scripts included in the Package (by category)
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The Chandra X-Ray
Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxcweb@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2004. All rights reserved. |
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