BRepMatching-Femtet

About This Library

BRepMatching-Femtet is a library that assigns permanent IDs to the topology of two Parasolid files and estimates their correspondence. This library is derived from BRepMatching (written by deGravity (Ben Jones)) that is the implementation of the paper[1].

Installation

You can install it via pip:

pip install brepmatching-femtet

Please note that a licensed version of Femtet is required for this library to function properly.

License

This library is licensed under the MIT License. It utilizes Eigen 3.4.0, which can be obtained from this site.

Usage

from brepmatching.pyfemtet_scripts import Predictor
from win32com.client import Dispatch

# get Femtet control
Femtet = Dispatch('FemtetMacro.Femtet')

# initialize (create temporary foldere and child process)
predictor = Predictor(Femtet)

# predict
id_map: dict = predictor.predict(
    'orig.x_t',
    'var.x_t',
)

# finalize (delete temporary folder and terminate child process)
del predictor

Development

The editable mode install is currently not supported. Please run pip install -U . to apply your code to the environment.

References

[1] B-rep Matching for Collaborating Across CAD Systems,
https://doi.org/10.48550/arXiv.2306.03169