Reading and plotting VTK file data structure with python

Question

I have a VTK file (unstructured grid) with points and cells.

I can import the file and read it into using the meshio python package.

If I

Answer 1

Let me also draw your attention to

4. vtkplotter

which has a different approach, also built on top of vtk:

from vtkplotter import *

# read the data
ugrid = loadUnStructuredGrid("mesh_mcve.vtk")

# create the outline of the data as polygonal mesh and show it
Mesh(ugrid).c('viridis').alpha(1.0).show()

Plenty of examples can be found here along with API documentation.