In addition to the X Toolkit options, the following options may be specified on the command line when starting `gnuplot` or as resources in your ".Xdefaults" file (note that raise and `persist` can be overridden later by `set term x11 [no]raise [no]persist)`:
`-mono` forces monochrome rendering on color displays. `-gray` requests grayscale rendering on grayscale or color displays. (Grayscale displays receive monochrome rendering by default.) `-clear` requests that the window be cleared momentarily before a new plot is displayed. `-tvtwm` requests that geometry specifications for position of the window be made relative to the currently displayed portion of the virtual root. `-raise` raises plot window after each plot `-noraise` does not raise plot window after each plot `-noevents` does not process mouse and key events `-ctrlq ` closes window on ctrl-q rather than q `-persist` plot windows survive after main gnuplot program exits
The options are shown above in their command-line syntax. When entered as resources in ".Xdefaults", they require a different syntax.
Example:
gnuplot*gray: on gnuplot*ctrlq: on
`gnuplot` also provides a command line option (`-pointsize <v>`) and a resource, `gnuplot*pointsize: <v>`, to control the size of points plotted with the `points` plotting style. The value `v` is a real number (greater than 0 and less than or equal to ten) used as a scaling factor for point sizes. For example, `-pointsize 2` uses points twice the default size, and `-pointsize 0.5` uses points half the normal size.
The `-noevents` switch disables all mouse and key event processing (except for `q` and `<space>` for closing the window). This is useful for programs which use the x11 driver independent of the gnuplot main program.
The `-ctrlq` switch changes the hot-key that closes a plot window from `q` to `<ctrl>q`. This is useful is you are using the keystroke-capture feature `pause mouse keystroke`, since it allows the character `q` to be captured just as all other alphanumeric characters. The `-ctrlq` switch similarly replaces the <space> hot-key with <ctrl><space> for the same reason.