SurfacePolygonSigma Last update: 17.07.2025 Description Return value: returns an array of 2 VARIANT representing of the sigma x and y values for the given polygonal area. Syntax object.SurfacePolygonSigma(VARIANT* vPtX, VARIANT* vPtY) As Variant object: Virtual Photometric Lab object vPtX: array of VARIANT for the horizontal coordinate of each vertex of the polygon vPtY: array of VARIANT for the vertical coordinate of each vertex of the polygon
