Hi list,

I have a use case that I'm trying to solve: I have several pairs of X/Y plots. 
Each pair consists of one line of numerical simulation data and one set of 
experimentally measured points with error bars. The easy and simple thing to 
do is to have each plot have a unique key entry (titles like "Some plot title 
(numeric)", "Some plot title (experiment)"). But in context it should be quite 
obvious that the lines are simulations and the dots are experimental results, 
so it's really just a lot of annoying redundancy and wasted space.

So I'm trying to come up with a way to combine the theory and experiment lines 
into a single key entry. In particular, I want each title next to all of the 
points and line indicators for the corresponding plots. Like this:
X --- Some plot title
O ... Another plot title

I can't see a way to do this in PyX. So my half-baked idea is to make a class 
that acts as a container for multiple plotitems, and has the same interface as 
plotitem (maybe a subclass). Is this crazy? Anyone have a simpler idea?

I will confess that up to this point I've been using PyxPlot, rather than PyX 
proper, but I don't think the conversion itself would be difficult. I'd rather 
just get an opinion as to whether doing what I suggest really is possible, or 
if there's an easier way that I've missed.

Peace,
Brendon

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