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    • Bearing in Mind

    Bearing in Mind

    03-20-2020 11:07 AM

    Super User Greg_Deckler
    Super User
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    Bearing in Mind

    ‎03-20-2020 11:07 AM

    Adds bearing calculations to Going the Distance for the bearing between two latitude/longitude points.

     

    Bearing (Degrees) = 
        VAR __FromCity = SELECTEDVALUE('From City'[City])
        VAR __ToCity = SELECTEDVALUE('To City'[City])
        VAR __FromLat = RADIANS(LOOKUPVALUE('Table'[Latitude],'Table'[City],__FromCity))
        VAR __ToLat = RADIANS(LOOKUPVALUE('Table'[Latitude],'Table'[City],__ToCity))
        VAR __FromLong = RADIANS(LOOKUPVALUE('Table'[Longitude],'Table'[City],__FromCity))
        VAR __ToLong = RADIANS(LOOKUPVALUE('Table'[Longitude],'Table'[City],__ToCity))
        VAR __distanceLong = (__ToLong - __FromLong)
        VAR __y = COS(__ToLat) * SIN(__distanceLong)
        VAR __x = COS(__FromLat) * SIN(__ToLat) - SIN(__FromLat) * COS(__ToLat) * COS(__distanceLong)
        VAR __atan2 = 
            SWITCH(
                TRUE(),
                __x > 0, ATAN(__y/__x),
                __x < 0 && __y >= 0, ATAN(__y/__x) + PI(),
                __x < 0 && __y < 0, ATAN(__y/__x) - PI(),
                __x = 0 && __y > 0, PI()/2,
                __x = 0 && __y < 0, PI()/2 * (0-1),
                BLANK()
            )
    RETURN
        DEGREES(__atan2)

    eyJrIjoiZThmZGNmY2ItMjg2OS00NWE2LWI4MWMtZTVlZWU4ZTQyMzhmIiwidCI6IjRhMDQyNzQzLTM3M2EtNDNkMi04MjdiLTAwM2Y0YzdiYTFlNSIsImMiOjN9


    @ me in replies or I'll lose your thread!!!
    Instead of a Kudo, please vote for this idea
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    Preview file
    125 KB
    BearingInMind.pbix
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