API Reference > geometry-core > Polyface > IndexedPolyface > addPoint addPoint Method add (a clone of ) a point. return its 0 based index. addPoint(point: Point3d, priorIndex?: number): number Parameter Type Description point Point3d point coordinates priorIndex number optional index of prior point to check for repeated coordinates Returns - number Returns the zero-based index of the added or reused point. Defined in polyface/Polyface.ts Line 319 Last Updated: 12 June, 2024