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Evolution of calculation algorithms
Manual – 1D
2D
pencil beam (ECLIPSE – SPB, HELAX (OTP) – TMS, …) 1D
heterogeneity correction
3D
convolution/superposition, collapsed cone (CMS, Pinnacle,
HELAX (OTP) – CC, Tomotherapy) 3D heterogeneity correction
2,5 D
ECLIPSE-AAA (pencil beam but with heterogeneity
correction ~3D)
Monte Carlo and Grid Based Boltzmann Equation solver