[vtkusers] newbie vtkXYPlotActor question

[Andrew Brownsword]

Hello,

I just joined the list and am brand new to VTK.  Initially I have what 
should be a very simple problem, but I haven't figured out how to setup 
the data objects correctly to get the result I desire.  I am using VTK 
from C++ where I have a couple of arrays of floats that I wish to plot 
using the vtkXYPlotActor, hopefully without having to copy the data.  I 
have successfully setup the window holding the actor, and it appears 
but doesn't contain any data and the axis are labelled with nonsensical 
values (0..-1 on X and 0..~inf on Y).  I've been trying to use the 
User's Guide, the examples, and the DOxygen pages to figure out how to 
wrap up the float arrays (even just one of them) so that I can point 
vtkXYPlotActor at it and get me data on the display.  Can somebody tell 
me which object(s) I need to create and point at my array?  Further, if 
I have 10 arrays but I want to easily turn on/off the rendering of 
particular arrays how can I do this most easily/efficiently?

Thanks in advance,
   Andrew