[Paraview] ClipFunction Property

[Adriano Gagliardi]

Hi,

There are some changes you need to make to get it to work.

from paraview.simple import * //use this to import the updated
ParaView-Python API

dataset = servermanager.sources.LegacyVTKreader(FileNames="myData.vtk")
dataset.UpdatePipeline()

clipper = servermanager.filters.Clip(Input=dataset)

//you can use clipper.GetProperty('ClipType').Available to see the available
options. You should get a list like this:
//['Plane', 'Box, 'Sphere', 'Scalar']
//set the clip type to plane
clipper.ClipType = Plane

//to set the properties of the plane
clipper.ClipType.Origin = [10.0,0.0,5.0]
clipper.ClipType.Normal = [1,0,0]
clipper.UpdatePipeline()

-------------

There are more options available.. use dir(servermanager.filters.Clip) and
dir(servermanager.filters.Clip.ClipType). Plus, I believe the latest release
has a trace functionality where-by you can have written to Python script any
action you perform interactively, which can help get you find these things
out.

Hope this helps.

===================================

Adriano Gagliardi MEng PhD
Project Scientist
Computational Aerodynamics
Aircraft Research Association Ltd.
Manton Lane
Bedford

Tel: 01234 32 4644
E-mail: agagliardi at ara.co.uk
Url: www.ara.co.uk 
-----Original Message-----
From: paraview-bounces at paraview.org [mailto:paraview-bounces at paraview.org]
On Behalf Of Jeshua Lacock
Sent: 13 August 2009 08:06
To: paraview at paraview.org
Subject: [Paraview] ClipFunction Property


Greetings,

I am trying to script ParaView's 3.6.1 clip class.

My script is something like:

connection = servermanager.Connect()
from paraview.simple import *
from paraview import servermanager

dataset = LegacyVTKReader(FileNames="myData.vtk")

plane = servermanager.implicit_functions.Plane()
plane.Normal = [1,0,0]
plane.Origin = [10.0,0.0,5.0]

clipper = servermanager.filters.Clip(Input=inputFile)

clipper.ClipFunction = plane

Which causes the error:

Traceback (most recent call last):
   File "<stdin>", line 1, in ?
   File "/Users/kitware/ParaViewReleases/ParaView-3.6/ParaView3Bin/
Utilities/VTKPythonWrapping/paraview/servermanager.py", line 197, in
__setattr__
AttributeError: Attribute ClipFunction does not exist.  This class does not
allow addition of new attributes to avoid mistakes due to typos. Use
add_attribute() if you really want to add this attribute.

All of the documentation I can find on servermanager.filters.Clip shows use
of the ClipFunction property. I guess with 3.6.1 it no longer exists?

How do I set the plane without it? I don't see any plane property for
servermanager.filters.Clip.

Can anyone point me to documentation for how to set the plane for the
filter?


Thank you,

Jeshua Lacock
Founder/Programmer
3DTOPO Incorporated
<http://3DTOPO.com>
Phone: 208.462.4171

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