scalars on TensorGlyph issue

Hi,

Scalars values on TensorGlyph are not displayed correctly as shown in the following simple example:

file tensors.vtk:

# vtk DataFile Version 3.0
Random data to test tensors
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 8 float
0 0 0
1 0 0
0 1 0
1 1 0
0 0 1
1 0 1
0 1 1
1 1 1

POINT_DATA 8
SCALARS scalars float
LOOKUP_TABLE default
1 2 3 4 5 6 7 8

TENSORS tensors1 float
1 0 0
0 2 0
0 0 3

2 0 0
0 3 0
0 0 4

3 0 0
0 4 0
0 0 5

4 0 0
0 5 0
0 0 6

5 0 0
0 5 0
0 0 5

6 0 0
0 6 0
0 0 6

7 0 0
0 7 0
0 0 7

8 0 0
0 8 0
0 0 8

using the command line:

mayavi2 -d tensors.vtk -m TensorGlyph

It displays:

It should display: