[Paraview] Simplest file format/method to import meshless 3D field data?

[Mark Lohry]

I have 3D flowfield data that has odd connectivity. I *could* manually
write a triangulation to produce the connectivity and write a standard file
format with tetrahedral elements, but I'd prefer it if I could simply dump
all the point data and import it.

>From what I've seen, the "point cloud" methods seem to just create
topologically 2-dimensional surfaces from points in 3D space, and not an
actual 3D field, is that correct?

Is there some file format / importer where I can just write a data file
along the lines of

x1,y1,z1,var1,var2,var3,...
x2,y2,z2,var1,var2,var3,....

and read that into paraview complete with some kind of interpolation
between points to produce contours?
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