Automatic determination of radiation beam configurations for patient-specific radiation therapy planning

A method comprising:

• receiving, at a computing device including a processor and memory, data based on patient information and geometric characterization of one or more organs at risk proximate to a target volume of a patient;
• and
• determining, by the processor, automatically one or more radiation treatment beam configuration sets by use of algorithms that incorporate models learned from a plurality of prior plans and formulas based on physical principles, wherein the algorithms use one of constructed beam efficient index and constructed beam navigation map;
• and
• presenting the one or more radiation treatment beam configuration sets via a user interface.