Python GUI for gds2palace

Install

pip install setupEM

Full documentation, installation guide, and usage walkthrough: https://github.com/VolkerMuehlhaus/setupEM

Recent changes

What's New - October 19, 2026

Stackup Editor, ADS Momentum (*.ltd) import: metals with an EXPAND thickness operation now make the dielectric next to them thicker, as in ADS, instead of reaching into the dielectric below. Before, a thick EXPAND DOWN metal (e.g. MET1/MET2 in a GaAs stackup) overlapped the layers underneath it, and a via could end up with zero height. Files where long lines are wrapped or END_... markers follow the last entry on the same line now import too; before, they failed with "No usable dielectric slabs".

What's New - October 18, 2026

Touchstone files with different port impedances: the option line of the combined .sNp file now has one Z0 per port, in port order. Before, ports with the same Z0 as port 1 were left out.

What's New - October 17, 2026

Conductor model replaces Conductor meshing on the Mesh and Boundaries tab (Palace only), with a third choice: Surface impedance (default, as before), Solve inside (volume mesh) and the new Solve inside + skin layers, which adds thin layers along the conductor faces for accurate Q and loss at high frequency. Generated model scripts now use settings['conductor_model'] instead of settings['filled_metals']. Older projects and model scripts with filled_metals still load. setupEM now requires gds2palace 0.9.0 or later; pip install --upgrade setupEM updates it.

Full history: CHANGES.md

Note: the setupEM PyPI package itself requires:

• gds2palace>=0.9.0
• gds_prepare_for_EM>=1.3.0
• PySide6
• shiboken6
• scipy
• requests
• scikit-rf
• matplotlib
• numpy
• gdspy
• meshio
• pyvista
• pyvistaqt

(Other Python modules mentioned above are only needed to run standalone helper scripts in this repository, not to use the installed package.)