object Geo
Object containing geo-location functions.
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type
Coordinates = (Double, Double)
A pair of
Doublerepresenting, respectively, the latitude and longitude of a position.
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def
distance(p1: Coordinates, p2: Coordinates): Double
Returns the distance in kilometers between two points on the planet Earth, calculated by the spherical law of cosines (https://en.wikipedia.org/wiki/Great-circle_distance#Formulas).
Returns the distance in kilometers between two points on the planet Earth, calculated by the spherical law of cosines (https://en.wikipedia.org/wiki/Great-circle_distance#Formulas).
- p1
the coordinates of the first point
- p2
the coordinates of the second point
- returns
the distance in kilometers between two points on the planet Earth.
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def
distanceFrom(p1: Coordinates): (Coordinates) ⇒ Double
Returns a function that measures the distance to the point
p1on the planet Earth, calculated by the spherical law of cosines (https://en.wikipedia.org/wiki/Great-circle_distance#Formulas).Returns a function that measures the distance to the point
p1on the planet Earth, calculated by the spherical law of cosines (https://en.wikipedia.org/wiki/Great-circle_distance#Formulas).- p1
the coordinates of the first point
- returns
a function that given a point
p2returns the distance in kilometers to the pointp1.
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