The Dose Calc. Options menu controls which factors are applied to the dose calculation. YOU SHOULD VERIFY THE SETTINGS IN THIS MENU PRIOR TO PERFORMING A DOSE CALCULATION !!! The affected factors are anisotropy, linear vs point source, a correction for plaques with silicone carriers, a scatter correction, lip collimation, slot collimation, and dose constants.

• COMS calculation - forces dose calculation to use the COMS formalism. Disabled by default.
• Anisotropy F(φ) - enables source anisotropy. Enabled by default for plaques with source slots.
• Linear sources - Enables linear sources. Enabled by default for plaques with source slots.
• Carrier Attenuation - enable correction for COMS plaque carriers. Enabled by default for COMS plaques.
• Scatter - this hierarchical menu accesses dosimetric corrections which attempt to compensate for the lack of a homogeneous full scatter geometry.
• Near Field - .

• Shell collimation - enables collimation of primary radiation which passes through the plaque shell. Enabled by default.
• Slot collimation - collimates primary radiation which passes outside of slots in the plaque surface. Disabled by default.
• Partial exposure - Calculates fraction of primary radiation from a linear source which does not pass through the shell. Enabled by default.
• Penumbra - Enables estimation of penumbral edges. Disabled by default.

• Physics... - Opens the physics dialog.