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Accuracy: Distance Map Voxel Size
• Predefined (usually for each VOI type i.e. target or OAR etc.)
• Automatic Voxel Size to achieve both reasonable accuracy and speed
• This can have an affect on the volume accuracy of the DVH
Cubes centered at origin
0.9
1.0
1.1
Total Volume normalised to
Calculated Volume
15 cm
0.25 cm
1 cm
Utrecht 2016
0.5
0.6
0.7
0.8
0
0.5
1
1.5
2
Voxel Size (cm)
(cm^3)
0.5 cm
5 cm
4 cm
2 cm
3 cm