[Paraview] ParaView programmable filter -> what datatype to use to store complex number and complex number visualization

[Su, Simon M CTR USARMY ARL (US)]

Hello,

I am calculating the roots using numpy in the python programmable filter. numpy.roots(coeff) is returning an array of type ndarray with complex128 array elements.


<type 'numpy.ndarray'>

[-0.77184451+1.11514251j -0.77184451-1.11514251j 0.54368901+0.j ]

array size = 3

(-0.771844506346+1.11514250804j)

<type 'numpy.complex128'>

(-0.771844506346-1.11514250804j)

<type 'numpy.complex128'>

(0.543689012692+0j)

<type 'numpy.complex128'>


In my calculation I will have 3 roots so I will be creating three variables root1, root2, root3, and  add them to the output data via


output.GetPointData().AddArray(root1)
output.GetPointData().AddArray(root2)
output.GetPointData().AddArray(root3)


what would the vtk type that I need to use to create root1, root2, and root3?

Can ParaView draw an isosurface using root1, or root2, or root3?

Any help on this is much appreciated.

thanks
-simon




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