Collimation Algorithms


AnalyzePlaque

Selecting Analyze plaque from the Dose calc. options menu allows Plaque Simulator to decide which shell collimation algorithm to use. The program will use the circular algorithm if the lip of the plaque is very close to circular. You can force the choice by selecting Circular or Complex from the Dose calc. options menu. The analytical circular algothim is fast, but accurate only for plaques with perfectly circular lips. The complex ray tracing algorithm is much slower, but provides excellent results for plaques with arbitrary shapes.


Dose calc. options | Guide Contents