maps-kt-core/space.kscience.maps.coordinates

Package-level declarations

Types

@Serializable

value class Distance : Comparable<Distance>

GeodeticMapCoordinates

@Serializable

class GeodeticMapCoordinates(val latitude: Angle, val longitude: Angle, val elevation: Distance? = null) : Vector2D<Angle>

Geodetic coordinated

@Serializable

class GeoEllipsoid(val equatorRadius: Distance, val polarRadius: Distance)

typealias Gmc = GeodeticMapCoordinates

Short name for GeodeticMapCoordinates

A directed straight (geodetic) segment on a spheroid with given start, direction, end point and distance.

@Serializable

data class GmcPose(val coordinates: GeodeticMapCoordinates, val bearing: Angle)

A coordinate-bearing pair

interface MapProjection<T : Any>

MercatorProjection

@Serializable

open class MercatorProjection(val baseLongitude: Angle = Angle.zero, val ellipsoid: GeoEllipsoid = GeoEllipsoid.sphere) : MapProjection<ProjectionCoordinates>

ProjectionCoordinates

data class ProjectionCoordinates(val x: Distance, val y: Distance)

WebMercatorCoordinates

data class WebMercatorCoordinates(val zoom: Int, val x: Float, val y: Float)

WebMercatorProjection

object WebMercatorProjection

Properties

val Number.kilometers: Distance

val Number.meters: Distance

val Distance.meters: Double

Functions

operator fun ClosedRange<Radians>.contains(angle: Angle): Boolean

fun GeoEllipsoid.curveBetween(start: Gmc, end: Gmc, precision: Double = 1.0E-6): GmcCurve

Taken from https://github.com/mgavaghan/geodesy

curveInDirection

fun GeoEllipsoid.curveInDirection(start: GmcPose, distance: Distance, precision: Double = 1.0E-6): GmcCurve

Taken from https://github.com/mgavaghan/geodesy https://github.com/mgavaghan/geodesy/blob/ab1c6969dc964ff34929911f055b27525909ef3f/src/main/java/org/gavaghan/geodesy/GeodeticCalculator.java#L58

operator fun Distance.div(number: Number): Distance

operator fun Distance.div(other: Distance): Double

lambertDistanceBetween

fun GeoEllipsoid.lambertDistanceBetween(r1: Gmc, r2: Gmc): Distance

Compute distance between two map points using giv https://en.wikipedia.org/wiki/Geographical_distance#Lambert's_formula_for_long_lines

fun GeoEllipsoid.meridianCurve(longitude: Angle, fromLatitude: Angle, toLatitude: Angle, step: Radians = 0.015.radians): GmcCurve

Compute a curve alongside a meridian

operator fun Distance.minus(other: Distance): Distance

fun GeoEllipsoid.parallelCurve(latitude: Angle, fromLongitude: Angle, toLongitude: Angle): GmcCurve

Compute a curve alongside a parallel

operator fun Distance.plus(other: Distance): Distance

fun GeoEllipsoid.reducedRadius(latitude: Angle): Distance

A radius of circle normal to the axis of the ellipsoid at given latitude

fun GmcCurve.reversed(): GmcCurve

Reverse direction and order of ends

fun GmcPose.reversed(): GmcPose

operator fun Distance.times(number: Number): Distance