# vtk DataFile Version 4.2
vtk output
ASCII
DATASET POLYDATA
POINTS 16 float
21.2303 12.3404 18.6772 21.2303 12.3404 20.4552 44.8553 12.3404 18.6772 
44.8553 12.3404 20.4552 21.2303 12.3404 18.6772 44.8553 12.3404 18.6772 
44.8553 12.3404 20.4552 21.2303 12.3404 20.4552 44.8553 12.3404 18.6772 
44.8553 12.3404 20.4552 21.2303 12.3404 18.6772 21.2303 12.3404 20.4552 
44.8553 12.3404 18.6772 44.8553 12.3404 20.4552 21.2303 12.3404 20.4552 
21.2303 12.3404 18.6772 
POLYGONS 2 8
3 12 13 14 
3 12 14 15 

CELL_DATA 2
SCALARS boundaryId unsigned_int
LOOKUP_TABLE default
217 217