[Paraview] exodus reader troubles

[John Biddiscombe]

Ken, Mike
> When ParaView tries to decimate the geometry, and the
> geometry only has vertices, it crashes.  

Just to jump in - I have been using a lot of particle datasets with only 
vertices and I've not experienced crashing problems. I have had strange 
LOD behaviour...but that's another thing... I'll will take a look at the 
LOD mechanism next time I notice anything strange.

JB