@startuml

'Copyright (c) 2024 Via Technology Ltd. All Rights Reserved.

' title Sphere Class Diagram

set namespaceSeparator ::

    namespace unit_sphere {
        class Arc {
            - a
            - pole
            - length
            - half_width
        }

        class Vector3d {
            - x
            - y
            - z
        }

        Arc *- "2" Vector3d

        class LatLong {
            - lat
            - lon
        }

        class great_circle {
            + calculate_gc_distance
            + calculate_gc_azimuth
        }

        Arc .. great_circle
        
        Vector3d .. LatLong
        Vector3d . great_circle

        great_circle . LatLong
    }

    unit_sphere::great_circle .. angle_sc::Angle
    unit_sphere::LatLong .. angle_sc::Angle
    unit_sphere::LatLong *-- "2" angle_sc::Degrees
@enduml