Number of overlapping temporal rigid geometries at each instant, equivalent to tCount on the underlying tpose

tCount(trgeometry) → tint

SELECT tCount(trgeometry 'Polygon((0 0,1 0,1 1,0 1,0 0));
  [Pose(Point(0 0), 0.0)@2001-01-01, Pose(Point(10 0), 0.0)@2001-01-02]');
-- {[1@2001-01-01, 1@2001-01-02]}

Aggregate bounding box of a column of temporal rigid geometries

extent(trgeometry) → stbox

SELECT extent(temp) FROM tbl_trgeometry;