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Modulated structure: UI display error in "Wave Data" tab #323

@cpiy

Description

@cpiy

[Related files and error messages have directly been emailed to Dr. Tody and Dr. Von Dreele]
Summary

After generating a symmetry-allowed modulated structure via ISODISTORT within GSAS-II, the Wave Data tab becomes UI-glitched, collapsing all controls and menus into a single line. This prevents the selection of modulation types or the addition of wave data.

Steps to Reproduce

Initial Setup:

  1. Identify the k-vector from unindexed reflections and pass it to ISODISTORT along with the parent CIF.

  2. Import: Open the resulting .gpx file generated by ISODISTORT.

  3. The "No Atoms" Workaround: * Checking the "Modulated?" box initially returns an error: "Can change modulation only if there are no atom."

  • Deleted all atoms in the Atoms tab.

  • Re-checked "Modulated?" (this successfully enables nuclear modulation controls in the General tab).

  1. Re-import: Re-imported the previously deleted atoms.

  2. The Issue: Navigate to the Wave Data tab.

Actual Behavior

All UI elements in the Wave Data tab (pulldown menus, controls, and labels) collapse into a single line, making the interface non-functional.

Expected Behavior

The Wave Data tab should display the standard controls for selecting modulation types and inputting wave vectors/amplitudes for the re-imported atoms.

Environment

  • GSAS-II Version: 5833 / v5.7.4 (Posted 08-Apr-26 10:15)

  • OS: [version 15.7.5, M1]

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