grid - Draw grid.
grid [xstep [ystep]] [-nl] [-a [xastep [yastep]]]
To show help and default grid, simply run "grid". Usage and behaviors are somewhat different between version 0.3 or before and the latest one.
- Interval in x-direction. Default value is 1.0.
- Interval in y-direction. Default value is xstep.
- No label.
- Extension line is on.
- Interval of extension line for x-direction. Default value is xstep/2.
- Interval of extension line for y-direction. Default value is ystep/2.
ga-> grid 0.5
ga-> grid -a
- grid.gs (necessary)