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Extending SliceRT EBP Module - RTPlan recalculation capabilities and import-export infrastructure

Key Investigators

Project Description

Recent work on SlicerRT’s EBP module has focused on its inverse planning infrastructure for dose calculation and plan optimization, integrating the multi-modality treatment planning toolkit pyRadPlan (see https://github.com/e0404/pyRadPlan).

Now we want to further extend the module’s forward planning capabilities as well as its export and import features.

Our overall goal is to establish a well-integrated treatment planning tool in Slicer, that remains customizable and user-friendly.

Objective

  1. RTPlan recalculation: Advance the pyRadPlan dose engine for forward calculations on loaded plans.
  2. Import/Export Features: Build infrastructure for saving and loading dose influence matrices and objectives.

Approach and Plan

  1. RTPlan recalculation: Implement handling of loaded MLC shapes (photon plan), spot positions (ion plan) and machine specifications in the pyRadPlan dose engine.
  2. Import/Export Features: Revise storing of the dose influence matrices (currently beam-wise) and develop method for exporting and reloading into plan. Include saving/exporting of the user-specified objectives table in the optimization workflow.

Progress and Next Steps

RTPlan recalculation:



pyRadPlan:

  1. Enabled field-based forward dose calculation (PHOTONS) from loaded field shapes.

(coronal view)



SlicerRT:

  1. Added CreateMLCAperturePolyData in MLCPositionLogic –> Extracts fieldshape from beam and MLCTableNode. (Currently only MLCs!)

  2. Locally integrated forward calculation in pyRadPlanDoseEngine.

  3. Started testing on loaded RTPlans.


Next steps:

  1. Solve orientation problem.
  2. Further test on loaded Plans (TROTS, matRad).
  3. Refine fieldshape by jaws & other beam-limiting devices.

Import/Export Features:

No progress so far

Illustrations

No response

Background and References

No response