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 <[email protected]> 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
> ☎ (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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>
import vtk
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
appender = vtk.vtkAppendPolyData()
for i in xrange(5):
ellipsoid = vtk.vtkParametricEllipsoid()
ellipsoid.SetXRadius(50)
ellipsoid.SetYRadius(10)
ellipsoid.SetZRadius(10)
# Convert vtkParametricEllipsoid to polydata for rendering and
# transforming.
parametricSource = vtk.vtkParametricFunctionSource()
parametricSource.SetParametricFunction(ellipsoid)
transform = vtk.vtkTransform()
transform.RotateWXYZ(45,0,1,0)
transform.Translate(100*i,200,50)
tf = vtk.vtkTransformPolyDataFilter()
tf.SetTransform(transform)
tf.SetInputConnection(parametricSource.GetOutputPort())
# Using append to combine all ellipses to write out to a single vtk file.
appender.AddInputConnection(tf.GetOutputPort())
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(tf.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
ren.AddActor(actor)
writer = vtk.vtkDataSetWriter()
writer.SetInputConnection(appender.GetOutputPort())
writer.SetFileName("/tmp/sample.vtk")
writer.Write()
iren.Start()
_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at
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Please keep messages on-topic and check the ParaView Wiki at:
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Search the list archives at: http://markmail.org/search/?q=ParaView
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