[vtkusers] Infinite recursion in vtkDelaunay2D::CheckEdge

[Kenneth Porter]

I'm converting a point cloud to a surface with vtkDelaunay2D and one of my 
data sets is throwing a Stack Overflow due to runaway recursion in 
CheckEdge. Is this a known bug? I'm not real familiar with the algorithm so 
I don't know what the termination condition should look like. What should 
be the maximum depth of the stack for a given data set size?