Tesselate filter on polygon indicates no parametrization
The "Tesselate" filter applied on "VTK_POLYGON" indicates "Input dataset has cells without parametization". Example file:
# vtk DataFile Version 3.0
Generated by Hand
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 14 double
0.0 0.0 0.001
0.0 0.0 0.002 1.0 0.0 0.0
1.0 1.0 0.0 0.0 1.0 0.0
2.0 0.0 0.0 2.0 1.0 0.0
0.5 0.1 0.0 1.0 0.6 0.0
0.6 1.1 0.0 0.1 0.4 0.0
2.0 -0.5 0.0 1.0 -1.0 0.0
0.0 -0.6 0.0
CELLS 2 12
4 2 5 6 3
6 1 13 12 11 5 2
CELL_TYPES 2
9
7
POINT_DATA 14
FIELD FieldData 1
TempNode 1 14 float
0.0
0.0 1.5
0.2 0.0
1.0 0.4
2.0 0.5
0.25 0.15
0.25 0.45
0.13