[Paraview] SOLVED: how to create a vtk.vtkParametricEllipsoid and write it to a VTK file?

Wed Mar 30 12:38:40 EDT 2016

Here is a working solution that I developed with much help from this list and especially David DeMarle (and probably you, Utkarsh), along with a sample data file.

On Mar 30, 2016, at 8:07 AM, Utkarsh Ayachit <utkarsh.ayachit at kitware.com<mailto:utkarsh.ayachit at kitware.com>> wrote:

Rich,

Attached is a sample script that you can run using pvpython or pvbatch or vtkpython executables.

Utkarsh

On Tue, Mar 29, 2016 at 1:35 PM, Cook, Rich <cook47 at llnl.gov<mailto:cook47 at llnl.gov>> wrote:
I'm still trying to solve my ellipsoid puzzle.
From looking around online, I've found a promising avenue.  Create a vtk.vtkParametricEllipsoid, rotate it, and then write to VTK for my user.
My question is, can someone help me finish this script?  I am hoping for an experienced user it's trivial.  My objective is to hand the user a python script to convert her data to VTK.

from ? import ?  # WHAT GOES HERE?  Do I need to run this from paraview?
for ellipsoid in ellipsoids:
ellipsoid = vtk.vtkParametricEllipsoid()
ellipsoid.SetXRadius(50)
ellipsoid.SetYRadius(10)
ellipsoid.SetZRadius(10)
transform = vtk.vtkTransform()
transform.RotateWXYZ(45,0,1,0)
transform.Translate(100,200,50)
# The magic:   connect the transform to the ellipsoid and add it to the scene.
# HOW???

# write all objects in the scene to a VTK file  Again, HOW?

--
✐Richard Cook
✇ Lawrence Livermore National Laboratory
Bldg-453 Rm-4024, Mail Stop L-557
7000 East Avenue,  Livermore, CA, 94550, USA
☎ (office) (925) 423-9605<tel:%28925%29%20423-9605>
☎ (fax) (925) 423-6961<tel:%28925%29%20423-6961>
---
Information Management & Graphics Grp., Services & Development Div., Integrated Computing & Communications Dept.
(opinions expressed herein are mine and not those of LLNL)

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<sample.py>

--
✐Richard Cook
✇ Lawrence Livermore National Laboratory
Bldg-453 Rm-4024, Mail Stop L-557
7000 East Avenue,  Livermore, CA, 94550, USA
☎ (office) (925) 423-9605
☎ (fax) (925) 423-6961
---
Information Management & Graphics Grp., Services & Development Div., Integrated Computing & Communications Dept.
(opinions expressed herein are mine and not those of LLNL)

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