The following options are available:
Activate grid
Activates the grid functionality.
X-grid (+ steps)
Activates the X-component of the grid and defines its width.
Y-grid (+ steps)
Activates the Y-component of the grid and defines its height.
X-lineraster (+ position)
Activates the X-lineraster. While painting the X-coordinates is
fixed to this value.
Y-lineraster (+ position)
Activates the Y-lineraster. While painting the Y-coordinates is
fixed to this value.