[vtkusers] How to generate a reference vector in velocity field?

huangliao huangl.zju at gmail.com
Mon Aug 7 23:04:50 EDT 2006

Hello Everyone,

I am visualizing a velocity field.

And I wanna put a reference vector at the right-up corner.

The reference vector has fixed direction, like à. That is to say it can't be

But it need Scale properly when zooming in/out.

How can i realize it?

Does it feasible in VTK?

Thanks a lot.

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