[Paraview] advice for 3d visualization?

[John Doe]

Hello,

I am solving problems of the nodes and edges of a tetrahedral mesh.
Since nodes and edges are the only entities I am writing out to the
vtu file, I am only seeing the color data on the individual lines.

Is there anyway to visualize the data so the node and edge data is
visualized over the entire volume?  It would be great to see a solid
block of colors, which I can slice through and see a continuous
surface, instead of a bunch of points.

Thanks in advance,

Juan