This issue only happens in the latest main branch: https://volview-dev.kitware.app <img width="2454" height="1415" alt="Image" src="https://github.com/user-attachments/assets/46b72fc6-1922-43bd-ae68-0df1733b6b7d" /> It works fine in the stable branch: <img width="2434" height="1401" alt="Image" src="https://github.com/user-attachments/assets/cf767a78-4068-4411-8072-25be849695e1" />