API Reference > geometry-core > Bspline > BSplineSurface3dQuery > getPointGridJSON getPointGridJSON Method Return control points json arrays. Each row of points is an an array. Within the array for each row, each point is an array [x,y,z] or [x,y,z,w]. The PackedPointGrid indicates if weights are present. getPointGridJSON(): PackedPointGrid Returns - PackedPointGrid Last Updated: 12 June, 2024