[vtkusers] Plotting vectors from a surface

Kenneth Porter shiva at sewingwitch.com
Mon Jan 4 17:22:47 EST 2010


--On Monday, January 04, 2010 5:07 PM -0500 David Doria 
<daviddoria+vtk at gmail.com> wrote:

> I think you could use Glyph3D to apply an arrow at every point - with
> the length scaled by the error.
> http://www.vtk.org/doc/nightly/html/classvtkGlyph3D.html#_details

I'd independently found that idea in this presentation:

<http://www.osc.edu/supercomputing/training/vtk/vtk_0505.pdf>

Looks promising.

> You could also color the arrows by the error to give an even more
> dramatic effect.

> Please let us know if this works for you - I'd like to see a picture
> (and the code) that you come up with :)

Will do!



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