[gmx-users] Xmgrace related question.
oliver at biop.ox.ac.uk
Wed Sep 29 01:58:52 CEST 2004
actually, there are two alternative ways to do it (this is for xmgrace
1) Transform x-axis:
Data -> Transformations -> Evaluate Expression
select your set as source and destination
Then autoscale-x your coordinate system or use the Plot->Axis
2) Change the labels on the axis but keep the x-coordinate in ps
Tab: [Tick labels]
Extra: Axis transform $t/1000
This creates labels which are 1/1000 of the original label.
Hope that helps,
> This is not really a gmx related question, but a grace
> related one. Since ps is the fundamental time unit of
> gmx, all trajectories are in units of ps and so are
> the output xvg files. This is fine for short
> trajectories; but when one simulates trajectories
> >100ns, the abscissa would be better shown in ns.
> I want to know how to convert the abscissa into ns
> from within xmgrace. I have not been able to figure it
> out yet. I understand that I need to generate a new
> set of x coordinates which is just (old x
> coordinates/1000), but not been able to do it. I am
> able to do it for the ordinate though...
> Any help??
> Jessica Bloom
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Oliver Beckstein * oliver at biop.ox.ac.uk
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