# vtk DataFile Version 4.2
Tetrahedron example
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 4 float
0 0 0
0 0 -1 
0 1 0
1 0 0

CELLS 1 5
4 0 1 2 3

CELL_TYPES 1
10

POINT_DATA 4
CELL_DATA 1