Thanks for reply,
but I don't think it will work in my case. Maybe I wasn't specific enough about
my data and it was confusing.
I have point data witch represent centers of ellipsoidal cells. With each point
there are associated lengths of ellipsoid axes (e.g. as a vector data), which
can be different for each ellipsoid, and directions of those axes in space (3
vectors). I want to display those ellipsoids oriented and in appropriate scale.
So I was thinking: I need to scale spheres anisotropically to get ellipsoids
so I really need to do it by scaling with vector components of the
scales/axes_length vector. Scaling by scalars works isotropically so it won't
help. Now I need to align axes of each ellipsoid in space. I probably need to
do it by programmable filter, but I don't know how to operate on separate
glyphs (ellipsoids) and their data. Did anyone have similar problem and solved
it somehow?
Thanks.
Pawel
>mirko heuegger wrote
>I suggest that you 'convert' one vector data into a scalar (e.g. over
>the Calculator-filter, and by using the functions: mag(<vector>),
>iHat.<vector>, jHat.<vector>, or kHat.<vector> (magnitude, X, Y, and Z
>of a vector) for calculating the desired vector-parts).
>Then change the 'Scale Mode', of the Glyph-filter, to 'scalar', and
>select the calculation-result as scalar-field.
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