Function calculateIdw

Returns Promise<
    | { code: "NotFound"; message: "no measurements found" }
    | {
        code: "Ok";
        data: {
            breaks: number[];
            featureCollection: {
                features: {
                    geometry: { coordinates: (...)[][][]; type: string };
                    properties?: { idwValues: number[] };
                    type: string;
                };
                type: "FeatureCollection";
            }[];
            timesteps: string[];
        };
    },
>