Geodesy class

The main geodesy class

This class is an adapted copy of the original https://github.com/wingkwong/geodesy project that is no longer maintained. Changes have been done to work with coordinates instead of latlng.

Constructors

Geodesy()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

area(Geometry geometry) → num
Return area (in sqm) of given polygon geometry.
bearingBetweenTwoGeoPoints(Coordinate l1, Coordinate l2) → num
calculate the bearing from point l1 to point l2
crossTrackDistanceTo(Coordinate l1, Coordinate start, Coordinate end, [num? radius]) → num
calculate signed distance from a geo point to greate circle with start and end points
degToRadian(double deg) → double
Converts degree to radian
destinationPointByDistanceAndBearing(Coordinate l, num distance, num bearing, [num? radius]) → Coordinate
calculate a destination point given the distance and bearing
distanceBetweenTwoGeoPoints(Coordinate l1, Coordinate l2, [num? radius]) → num
calculate the distance in meters between two geo points
finalBearingBetweenTwoGeoPoints(Coordinate l1, Coordinate l2) → num
calculate the final bearing from point l1 to point l2
intersectionByPaths(Coordinate l1, Coordinate l2, num b1, num b2) → Coordinate?
calculate the geo point of intersection of two given paths
isGeoPointInBoudingBox(Coordinate l, Coordinate topLeft, Coordinate bottomRight) → bool
check if a given geo point is in the bouding box
isGeoPointInPolygon(Coordinate l, List<Coordinate> polygon) → bool
check if a given geo point is in the a polygon using even-odd rule algorithm
length(Geometry geometry) → num
Return the length of a given geometry in meters.
midPointBetweenTwoGeoPoints(Coordinate l1, Coordinate l2) → Coordinate
calcuate the midpoint bewteen teo geo points
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
pointsInRange(Coordinate point, List<Coordinate> pointsToCheck, num distance) → List<Coordinate>
Get a list of LatLng points within a distance from a given point
radianToDeg(double rad) → double
Radian to degree
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited