Sir, Is it possible to have non-overlapping waveforms using ngspice in xschem

In xschem, you can specify math on the output, so you can plot "d", "q + 6", "qbar + 12", "clk + 18" for example. Or, you can drop four different graphs into the schematic and line them up horizontally.

Thank you very much sir!

If you want them on same graph then i think you have to do the +x thing that Tim suggested. Dont think there's any way to pull the lines apart or something.