Click a room to fly there · mouse-drag to orbit, scroll to zoom (clamped so it can't clip inside walls) · WASD to fly, Q/E up-down, Shift to move faster · right-click a graph node to isolate it here
Ontology graph — subject → predicate → object (drag to rotate, scroll to zoom, click a VAV/AHU node to explore further, right-click to isolate in the 3D view)