Thanks for all the feedback!
As a part of my own work, one of the thing that I'll likely work on next
is to allow at least the request_data part of the programmable filter to
be a part of a VTK pipeline (via likely vtkPythonAlgorithm) so it can be
tested without dependencies to paraview in order to promote better testing.
If you have any other suggestions on how to improve this library, feel
free to open an issue in the repository or contact me directly, as I'm
sure there are a lot of things I'm not even aware is possible.
Cheers,
Shuhao
On 2018-03-16 12:47 PM, Cory Quammen wrote:
Very cool, Shuhao. Thanks for sharing this with the ParaView community!
Cory
On Wed, Mar 14, 2018 at 2:39 PM, Shuhao Wu <[email protected]> wrote:
Hello all,
I hope this is not too spammy/self promoting, but I wanted to share a
small library that I created to wrap such that you create Python
Programmable Filters with custom property panel options from a regular
python file. The work is inspired by this blog post[1].
The library based system allows you to write your programmable filter such
that it will work outside of paraview so you can possibly mock the
inputs/outputs and run unit tests on then, while also allowing easy export
into a XML plugins to feed into Paraview for execution. This should allow
one to create higher quality, reusable filters. The library is available
at: https://github.com/shuhaowu/pvpyfilter. If there is enough interest
in this, and once I get to test it more, I can release this onto PyPI for
easier access.
A short example of this in action (longer one available in the repository,
complete with screenshots):
class ViscosityType(Enum):
Kinematic = 1
Dynamic = 2
class MyFilter(ProgrammableFilter):
label = "My Filter"
input_data_type = "vtkPolyData"
nu = Double("Viscousity", default=1.53e-5, slider=[0, 1e-4], help="...")
nu_type = IntegerEnum("Type", default=ViscosityType.Kinematic,
enum=ViscosityType)
@staticmethod
def request_data(inputs, outputs, nu, nu_type):
print(nu)
print(nu_type)
[1]: https://blog.kitware.com/easy-customization-of-the-paraview-
python-programmable-filter-property-panel/ -- I cannot find the script
download from that link and had to get it from somewhere else on the
internet.
Shuhao
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