Copyright	(c) 2020 Cedric Liegeois
License	BSD3
Maintainer	Cedric Liegeois <ofmooseandmen@yahoo.fr>
Stability	experimental
Portability	portable
Safe Haskell	Safe
Language	Haskell2010

Data.Geo.Jord.Angle

Contents

The Angle type
Smart constructors
Calculations
Trigonometric functions
Accessors
Conversions
Read

Description

Types and functions for working with angles representing latitudes, longitude and bearings.

Synopsis

data Angle
decimalDegrees :: Double -> Angle
dms :: Int -> Int -> Double -> Either String Angle
radians :: Double -> Angle
arcLength :: Angle -> Length -> Length
central :: Length -> Length -> Angle
isNegative :: Angle -> Bool
isWithin :: Angle -> Angle -> Angle -> Bool
negate' :: Angle -> Angle
normalise :: Angle -> Angle -> Angle
asin' :: Double -> Angle
atan2' :: Double -> Double -> Angle
cos' :: Angle -> Double
sin' :: Angle -> Double
getDegrees :: Angle -> Int
getArcminutes :: Angle -> Int
getArcseconds :: Angle -> Int
getArcmilliseconds :: Angle -> Int
toDecimalDegrees :: Angle -> Double
toRadians :: Angle -> Double
angleP :: ReadP Angle
readAngle :: String -> Maybe Angle

The `Angle` type

data Angle Source #

An angle with a resolution of a microarcsecond. When used as a latitude/longitude this roughly translate to a precision of 0.03 millimetres at the equator.

Instances

Eq Angle Source #
Instance details Defined in Data.Geo.Jord.Angle Methods (==) :: Angle -> Angle -> Bool # (/=) :: Angle -> Angle -> Bool #
Ord Angle Source #
Instance details Defined in Data.Geo.Jord.Angle Methods compare :: Angle -> Angle -> Ordering # (<) :: Angle -> Angle -> Bool # (<=) :: Angle -> Angle -> Bool # (>) :: Angle -> Angle -> Bool # (>=) :: Angle -> Angle -> Bool # max :: Angle -> Angle -> Angle # min :: Angle -> Angle -> Angle #
Read Angle Source #	See `angleP`.
Instance details Defined in Data.Geo.Jord.Angle Methods readsPrec :: Int -> ReadS Angle # readList :: ReadS [Angle] # readPrec :: ReadPrec Angle # readListPrec :: ReadPrec [Angle] #
Show Angle Source #	Show `Angle` as degrees, minutes, seconds and milliseconds - e.g. 154°25'43.5".
Instance details Defined in Data.Geo.Jord.Angle Methods showsPrec :: Int -> Angle -> ShowS # show :: Angle -> String # showList :: [Angle] -> ShowS #
Quantity Angle Source #	Add/Subtract `Angle`s.
Instance details Defined in Data.Geo.Jord.Angle Methods add :: Angle -> Angle -> Angle Source # sub :: Angle -> Angle -> Angle Source # zero :: Angle Source #