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diff --git a/ds9/doc/ref/backup.html b/ds9/doc/ref/backup.html new file mode 100644 index 0000000..63bc304 --- /dev/null +++ b/ds9/doc/ref/backup.html @@ -0,0 +1,60 @@ +<!DOCTYPE doctype PUBLIC "-//w3c//dtd html 4.0 transitional//en"> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; + charset=ISO-8859-1"> + <meta name="GENERATOR" content="Mozilla/4.78 [en] (X11; U; Linux + 2.4.7-10 i686) [Netscape]"> + <title>Backup</title> + </head> + <body alink="#ff0000" bgcolor="#ffffff" link="#0000ee" text="#000000" + vlink="#551a8b"> + <h3><img alt="" src="../sun.gif" align="middle" width="100" + height="98"> Backup and Restore</h3> + <blockquote> + <p>DS9 now supports Backup and Restore. When a backup is invoked, + DS9 will save in a backup save set all files needed to restore + DS9 to that state, including geometry, data files, colormaps, + catalogs, contours, and regions.<br> + </p> + <p><b>Backup Save Set</b></p> + <p>A backup save set consists of a text file, called a backup + script, and an optional directory, which will contain auxiliary + data files needed to restore DS9 to a previous state. The backup + file and the auxiliary directory maybe moved across file + systems, or even platforms, but must remain together in the same + directory. <br> + </p> + <p><b>Image data files</b></p> + <p>By default, all data image files are save within the backup + save set. However, the user has the option, via the Preferences, + to only save only an absolute pathname to the data file, and not + the data file itself. This option will dramatically reduce the + size of a backup save set, but will restrict the usage to a + particular file system and platform.<br> + </p> + <p>Image files that have been loaded into DS9 via XPA, SAMP, or + from URL will always be saved into the save set.<br> + </p> + <p><b>Caveats</b></p> + <p>There are several caveats in the usage of Backup and Restore. + In particular:<br> + </p> + <blockquote> + <p> <tt>Currently, there is no support for masks.<br> + External Analysis menus will not be saved.<br> + Plot Tool windows will not be saved.<br> + IIS frames (IRAF) will not be saved.<br> + SAMP and XPA sessions will not be saved.</tt></p> + </blockquote> + <p>And finally, if the image data had been loaded into DS9 via + XPA, SAMP, or from a URL, the following complex load operations + are not supported:</p> + <blockquote> <tt>Open Mosaic IRAF Image<br> + Open Mosaic IRAF Segment Open Mosaic WCS Image<br> + Open Mosaic WCS Segment Open Mosaic WFPC2 Open RGB Fits Image + Open RGB Fits Cube Open RGB Array Open Multi Ext Data Cube + Open Multi Ext Multiple Frames </tt></blockquote> + </blockquote> + </body> +</html> |