Function pointFromSTGL

pointFromSTGL(face: Face, s: number, t: number): VectorPoint
Convert an Face-S-T coord to an XYZ Point using the right-hand-rule
Parameters
- face: Face
  The face of the S2 cell.
- s: number
  The s-coordinate on the face.
- t: number
  The t-coordinate on the face.
Returns VectorPoint
The XYZ Point representing the given Face-S-T coordinates.