# vtk DataFile Version 4.2
vtk output
ASCII
DATASET POLYDATA
POINTS 21 float
0 -50 0 25 -50 0 1.25 -50 0 
2.5 -50 0 3.75 -50 0 5 -50 0 
6.25 -50 0 7.5 -50 0 8.75 -50 0 
10 -50 0 11.25 -50 0 12.5 -50 0 
13.75 -50 0 15 -50 0 16.25 -50 0 
17.5 -50 0 18.75 -50 0 20 -50 0 
21.25 -50 0 22.5 -50 0 23.75 -50 0 

LINES 20 60
2 0 2 
2 2 3 
2 3 4 
2 4 5 
2 5 6 
2 6 7 
2 7 8 
2 8 9 
2 9 10 
2 10 11 
2 11 12 
2 12 13 
2 13 14 
2 14 15 
2 15 16 
2 16 17 
2 17 18 
2 18 19 
2 19 20 
2 20 1 

CELL_DATA 20
FIELD FieldData 1
BlockId 1 20 int
6 6 6 6 6 6 6 6 6 
6 6 6 6 6 6 6 6 6 
6 6