GrADS Reinitialization

## Reinitialization of GrADS

Two commands are available for resetting or reinitializing the state of GrADS:

Reinit

The `reinit` command returns GrADS to its initial state. `reinit` closes all open files, releases all defined variables, and resets all graphics settings to their defaults.

Reset

The `reset` command returns GrADS to its initial state with the following exceptions:

1. No files are closed
2. No defined variables are released
3. The `set display` settings are not modified

If files are open, the default file is set to 1, and the dimension environment is set to X,Y varying and Z and T set to 1 (as though file 1 were just opened).

The `reset` command may be qualified so that only certain aspects of GrADS are returned to their initial state. The qualifiers are as follows:

`reset events` resets the events buffer (e.g., mouse clicks)
`reset graphics` resets the graphics, but not the widgets
`reset hbuff` resets the display buffer when in double buffer mode
`reset norset` resets the X events only