quickUnitNormal Method

Compute and normalize cross product among 3 points on the linestring.

• Essentially 3 random points are used to form the cross product.
• This is appropriate for a polygon known to be convex.
• No test for convexity or collinearity is performed.
• If the polygon is not convex, the returned normal may be reversed.
• If the random points used in the cross product are collinear, undefined is returned.

quickUnitNormal(result?: Vector3d): undefined | Vector3d

@returns unit normal, or undefined if normalization failed

Returns - undefined | Vector3d

unit normal, or undefined if normalization failed

Defined in

• curve/LineString3d.ts Line 885