The web browser, catalog tool, image server, and other Analysis functions don appear to work. Whats going on?
For a number of the Analysis functions, DS9 requires temporary disk space to download and store data. By default, this directory is defined by the TMP or TEMP environment variable. This is usually defined as /tmp for Linux and MacOSX users. For Windows users, this will vary, depending on which version of Windows you have. In any case, if the temp directory is not writable, or you have specified an invalid directory in the preferences, these functions will fail with a variety of error messages. My system admin stripped the DS9 binary and now DS9 fails to start with the following error message: Application initialization failed: Can’t find a usable tk.tcl in the following directories… DS9 is based on tcl/tk which is a scripting language which requires many support files. To create a stand alone application, we fool tcl/tk into thinking that it has a valid installation. To do this, DS9 is really an application, along with an zip archive attached. The first thing DS9 does is to create a
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