1TriangularGrid - Point geom 2:memory: #use in-memory database 3SELECT TriangularGrid(MakePoint(1, 1, 4326), 1.0); 41 # rows (not including the header row) 51 # columns 6TriangularGrid(MakePoint(1, 1, 4326), 1.0) 7(NULL) 8 9 10