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Improvements and Bug Fixes for SlicerVirtualReality

Key Investigators

• Kyle Sunderland (Queen's University, Canada)
• Simon Drouin (École de Technologie Supérieure, Canada)
• Andras Lasso (Queen's University, Canada)

Project Description

Currently SlicerVR is usable with OpenVR/OpenXR, however there are some pending issues:

• Performance
  • Adding markups to the scene causes an immediate drop in framerate and rendering artifacts
  • Visualization of interaction handles results in performance issues
  • Volume rendering with multi-component images/sequences causes a drop in framerate when the camera is close to the volume
• Interaction
  • Not all controller interactions are recognized
• Etc.

Objective

Bring SlicerVR to stable, usable performance and complete basic interaction support.

Approach and Plan

1. Profile and baseline performance (CPU, GPU, FPS in representative scenes)
2. Fix highest-impact performance issues (markups, widgets, volume rendering)
3. Add missing OpenXR controller input mapping
4. Iterate with testing in real scenes

Progress and Next Steps

1. Performance update for Markups bypassing depth check for visible points (Slicer#8979) (SlicerVirtualReality#185)

Illustrations

No response

Background and References

SlicerVirtualReality