Energy measurement, calculated from ionization chamber
readings
Energy measurement percentage difference from baseline
Data collected from the center ionization chamber during
measurement
Data collected from the left (photon side) or right (electron
side) ionization chamber during measurement
Data collected from the top ionization chamber during
measurement
Data collected from the right (photon side) or left (electron
side) ionization chamber during measurement
Data collected from the bottom ionization chamber during
measurement
Data collected from energy channel 1 during measurement,
primarily used for electrons
Data collected from energy channel 2 during measurement,
primarily used for electrons
Data collected from energy channel 3 during measurement,
primarily used for photons
Number of samples collected by the analog-to-digital
converter during the measurement
Measurement comment entered using the Data View interface
14.3 TomoTherapy Mode - Dynamic Plans
When exporting from the TomoTherapy Mode, an individual file is created for each plan. The
format of each file is broken down into multiple sections using the following pattern: Baseline1;
Measurements for Baseline1; Baseline2; Measurements for Baseline2; etc
Baseline Data
A unique identifier for the baseline energy that incorporates date and
time of measurement
Collimator size, as entered in the Baseline Setup screen
Source to Surface Distance, as entered in the Baseline Setup screen
Linear accelerator dose rate, as entered in the Baseline Setup screen
Linear accelerator dose, as entered in the Baseline Setup screen
Gantry angle, as entered in the Baseline Setup screen
Internal temperature when baseline measurement was taken, in °C
Pressure when baseline measurement was taken, in mmHg
A unique identifier for the baseline energy as determined by several
ionization chambers and a proprietary algorithm
Baseline left channel output (temperature/pressure corrected)
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