API Reference > geometry-core > CartesianGeometry > UnionOfConvexClipPlaneSets > appendPolygonClip appendPolygonClip Method appendPolygonClip(xyz: GrowableXYZArray, insideFragments: GrowableXYZArray[], outsideFragments: GrowableXYZArray[], arrayCache: ): void Parameter Type Description xyz GrowableXYZArray input polygon. This is not changed. insideFragments GrowableXYZArray[] Array to receive "inside" fragments. Each fragment is a GrowableXYZArray grabbed from the cache. This is NOT cleared. outsideFragments GrowableXYZArray[] Array to receive "outside" fragments. Each fragment is a GrowableXYZArray grabbed from the cache. This is NOT cleared. arrayCache cache for reusable GrowableXYZArray. Returns - void Defined in clipping/UnionOfConvexClipPlaneSets.ts Line 309 Last Updated: 11 June, 2024