addSecondMomentAreaProducts MethodStatic
Accumulate to the matrix of area products of a polygon with respect to an origin.
- The polygon is assumed to be planar and non-self-intersecting.
- Accumulated values are integrals over triangles from point 0 of the polygon to other edges of the polygon.
- Integral over each triangle is transformed to integrals from the given origin.
addSecondMomentAreaProducts(points: IndexedXYZCollection, origin: Point3d, moments: Matrix4d): void
| Parameter | Type | Description |
|---|---|---|
| points | IndexedXYZCollection | array of points around the polygon. Final closure point is not needed. |
| origin | Point3d | origin for global accumulation. |
| moments | Matrix4d | 4x4 matrix where products are accumulated. |
Returns - void
Defined in
- geometry3d/PolygonOps.ts Line 649
Last Updated: 17 December, 2024
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