Abstract: A building system including one or more storage devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to receive an indication to execute an artificial intelligence (AI) agent of a digital twin, the digital twin including the AI agent and a graph data structure, the graph data structure including nodes representing entities of a building and edges between the nodes representing relationships between the entities of the building. The instructions cause the one or more processors to execute the AI agent based on data of the building to generate an inference that is a prediction of a future data value of a data point of the building for a future time and store at least one of the inference, or a link to the inference, in the graph data structure.

Abstract: A method of developing a foreground image from two views of an object, such as orthogonal x-ray views, for the making of a projectable three-dimension image on a computer display monitor superimposed on a background image. The foreground image can be included on the original view of the object or can be separate therefrom or can be represented by digital mathematical expression. The method finds particular application in medical applications such as brachytherapy dosimetry, breast biopsy localizing, and external dosimetry computation for radiotherapy. When used with a dosimetry application, isodose lines can be computed and imaged for various simulated positioning and orientation of the radiation sources and simulated dose sizes.