Energies files (with “.engx” extension) have the simplest structure. They contain a set of “energy” elements, one for each gamma-energy of interest, enclosed by a single “energies” element:
<energies name=str> <energy>float</energy> ... <energy>float</energy> </energies>
<?xml version="1.0" encoding="utf-8"?> <angle generator="ANGLE" version="4.0" build="5.0.0.274" units="mm"> <energies name="Mixed Gamma"> <energy>59.5</energy> <energy>88</energy> <energy>122.1</energy> <energy>165.9</energy> <energy>279.2</energy> <energy>391.7</energy> <energy>661.7</energy> <energy>898</energy> <energy>1173.2</energy> <energy>1332.5</energy> <energy>1836.1</energy> </energies> </angle>