# vtk DataFile Version 2.1
lines:  interpolate color between points
ASCII
DATASET POLYDATA
POINTS  4 float
0. 0. 0.
1. 0. 1.
1. 1. 1.
0. 1. 0.
LINES 4 12
2 0 1
2 1 2
2 2 3
2 3 0
POINT_DATA 4
SCALARS temperature double
LOOKUP_TABLE default
5.
9.
3.
2.