Re: Parallel coordinate plot type?

[Ethan M. <merritt@u.washington.edu>]

On Monday 12 June 2006 11:07 am, Ethan Merritt wrote:
> On Monday 12 June 2006 02:11 am, Niklas Elmqvist wrote:
> > I am looking to create a parallel coordinate plot for a paper I am
> > working on.
>
> I was not familiar with this plot type, so I did some Googling.
> Is this an adequate description of what you want?
>
>  
> http://www.agocg.ac.uk/reports/visual/casestud/brunsdon/parallel.htm
>
> > I've started looking at using gnuplot for this purpose, but there
> > appears to be no PC plot type
>
> Correct, there is no such plot type in gnuplot.
> It does look quite interesting, however, so I encourage you to submit
> it as a "Feature Request" on gnuplot's SourceForge site.
>
> > Any ideas on how to achieve this? Using gnuplot or some other
> > (freely available) tool?
>
> I think it would not be very hard to tweak your input data file so
> that gnuplot can produce a reasonable approximation of what you want.

Doh!
It has occurred to me that if you forego the fancy labelling, etc,
then no special preparation of the data is needed, although I am 
not sure how well it handles missing entries in the vectors.
You can plot your data in one shot simply by saying:

    plot "datafile" matrix with lines


-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle WA