{ "spatial code schema": { "objects": { "": [ { "3D oriented bounding box": { "3D oriented bounding box center coordinates": { "components": [ "x", "y", "height above floor" ], "unit": "meters", "description": "center of the 3D oriented bounding box in the shared room coordinate system" }, "3D oriented bounding box dimensions": { "components": [ "dimension 1", "dimension 2", "dimension 3" ], "unit": "meters", "description": "full lengths of the 3D oriented bounding box along the corresponding orientation unit vectors" }, "3D oriented bounding box orientation unit vectors": { "components": [ [ "x", "y", "height" ], [ "x", "y", "height" ], [ "x", "y", "height" ] ], "unit": null, "description": "three perpendicular directions corresponding in order to the three 3D oriented bounding box dimensions" } }, "first visible time": { "unit": "seconds", "description": "earliest time at which this object instance is visibly observed" } } ] }, "room": { "floor boundary polygons": [ { "outer boundary coordinates": { "components": [ [ "x", "y" ], [ "x", "y" ] ], "unit": "meters", "description": "ordered vertices enclosing one floor region" }, "interior hole boundary coordinates": { "components": [ [ [ "x", "y" ], [ "x", "y" ] ] ], "unit": "meters", "description": "ordered boundaries enclosing regions excluded from the floor area" } } ] } }, "objects": { "ceiling light": [ { "3D oriented bounding box": { "3D oriented bounding box center coordinates": [ 1.65, 1.56, 2.34 ], "3D oriented bounding box dimensions": [ 0.06, 0.07, 0.06 ], "3D oriented bounding box orientation unit vectors": [ [ -0.61, -0.79, 0.0 ], [ 0.0, 0.0, 1.0 ], [ -0.79, 0.61, 0.0 ] ] }, "first visible time": null } ], "toilet": [ { "3D oriented bounding box": { "3D oriented bounding box center coordinates": [ 1.96, 0.64, 0.29 ], "3D oriented bounding box dimensions": [ 0.71, 0.41, 0.39 ], "3D oriented bounding box orientation unit vectors": [ [ -0.84, 0.54, 0.0 ], [ 0.0, 0.0, 1.0 ], [ 0.54, 0.84, 0.0 ] ] }, "first visible time": null } ], "door": [ { "3D oriented bounding box": { "3D oriented bounding box center coordinates": [ 0.51, 0.91, 1.14 ], "3D oriented bounding box dimensions": [ 1.0, 2.28, 0.13 ], "3D oriented bounding box orientation unit vectors": [ [ 0.88, -0.48, 0.0 ], [ 0.0, 0.0, 1.0 ], [ -0.48, -0.88, 0.0 ] ] }, "first visible time": null } ] }, "room": { "floor boundary polygons": [ { "outer boundary coordinates": [ [ 0.45, 0.4 ], [ 2.76, 0.4 ], [ 2.76, 2.71 ], [ 0.45, 2.71 ] ], "interior hole boundary coordinates": [] } ] } }