3D TPS Dose Engine

Volumetric radiation dose calculation — CT-density voxel grid, ray-traced TERMA, convolved to absorbed dose

Voxel Grid

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Algorithm

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Calc Time (s)

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Dose Accuracy

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Beam Fields

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Voxels ≥ Threshold

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Dose Algorithm

Tissue Heterogeneity

VMAT Arc Beam Fields9

Isodose Threshold45%

Bone (high density)

Lung / air cavity

Gantry beam ray

Dose cloud (low → high)

Patient body outline

Drag to orbit · scroll to zoom · click a control to recompute the 3D dose grid