# vtk DataFile Version 3.0
vtk output
ASCII
DATASET STRUCTURED_POINTS
DIMENSIONS 4 4 1
SPACING 1 1 1
ORIGIN 0 0 0
CELL_DATA 9
FIELD FieldData 1
vtkGhostLevels 1 9 unsigned_char
0 0 1 0 0 0 0 0 0 

POINT_DATA 16
FIELD FieldData 1
data 1 16 float
3 3 3 3 3 1 3 3 3 
3 3 3 3 3 3 3