Sorry for double posting, I figured out a better way to describe it.
It's simply a parametric plot like this:
#data.txt
x(t) y(t) t
and I want to somehow get t on the x2 axis.
On Thu, May 14, 2009 at 12:28:16PM 0600, Michael Lerch wrote:
> I know that subject is confusing. Here's what I'd like to do:
>
> I have a three column file and I want to plot $1 on x1 axis, $2 on y1
> axis and I want x2 axis to tell me what $3 is. The problem is that $2
> and $3 are not related by any simple function (ie not
> linear/logarithmic). Perhaps is there a simple way to make an x2 tic
> for every 100th point and have that tic be the value of the third
> column?
>
> Thanks!
