IFClite TypeScript API
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    Interface ChunkAnchorSource

    Spatial slice of MeshData needed to derive a chunk cell.

    interface ChunkAnchorSource {
        origin?: [number, number, number];
        positions: Float32Array;
    }
    Index
    origin?: [number, number, number]

    Element local-frame origin: world = origin + position. Absent = [0,0,0].

    positions: Float32Array