Why is tetramesh painfully slow?
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I have a tetrahedral mesh with 35000+ vertices and 60,000+ faces. When I use tetramesh to plot it, it takes like 10 minutes.
If I use freeboundary to exctract that triangular mesh of the surface, and use trisurf, it is extremely fast, like less than a second. Of course number of data is reduced maybe by half but I don't think this is the resason.
Because if I use pdeplot3d to plot the tetrahedral mesh, similarly, it is super-fast. Less than a second also.
It seems like tetramesh is just so slow. Why?
I can't use pdeplot3d because it only accepts nodel data for its colormap. I need to use the faces for the colormap data.