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Saving/Restoring State

If you do nothing, a file called default will be created within the $HOME/aips++/dishstate directory upon exiting from a DISH session. The file is created automatically and dish will be restored to the state saved in that file automatically upon startup. The dish state file contains all of the values known to the results manager as well as the various settings for each GUI element and operation. So, by default a record is kept of the state of DISH after each use of DISH and DISH is restored to this state the next time DISH is used.

There are several ways in which you can alter this default behavior.

• The state can be saved at any time by selecting the File/Save state menu item.
• A state can be restored to a previously restored state at any time by selecting the File/Restore state menu item.
• The state can be saved to a state file other than the default file at any time by selecting the File/Save state as ... menu item. This makes the AIPS++ catalog tool visible and allows you type in or select a file name to hold the state information. Once you have made your selection and the state saved to that file, that file becomes the default state file until changed with Save state as ... or Restore state from ....
• The state can be restored from a state file other than the default file at any time by selecting the File/Restore state from ... menu item. This makes the AIPS++ catalog tool visible and allows you to select a file name to retrieve the state information from. Once you have made your selection and the state retrieved from that file, that file becomes the default state file until changed with Save state as ... or Restore state from ....
• Restore the state to the default initial DISH state by selecting the Reset to default state menu item.
• The default behavior of saving the state when dish.done() is invoked (which happens which you exit glish) can be turned off by toggling that option in the Options menu.
• The default behavior of restoring from the default state file when DISH is first started can be turned off by setting the aipsrc variable ``dish.restorestate'' to F (for False). To turn it back on, set this variable to (T) or remove it from your .aipsrc file.
• The default state file can be set before DISH starts by setting the aisprc variable dish.statefile to whatever file you wish to designate as the default state file. This is always the state file used when DISH starts up. Its default value is $HOME/aips++/dishstate/default