IFClite TypeScript API
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    Interface Graticule

    interface Graticule {
        altitudeRings: { altitude: number; ring: Enu[] }[];
        azimuthSpokes: { arc: Enu[]; azimuth: number }[];
        cardinals: { dir: Enu; label: string }[];
    }
    Index
    altitudeRings: { altitude: number; ring: Enu[] }[]

    Concentric altitude rings (each a closed loop of ENU directions).

    azimuthSpokes: { arc: Enu[]; azimuth: number }[]

    Azimuth spokes from horizon to zenith (each a meridian arc).

    cardinals: { dir: Enu; label: string }[]

    Cardinal/ordinal direction markers on the horizon.