mapsglmaps/com.xweather.mapsglmaps.geo.projection/Mercator

Mercator

class Mercator : Projection

Constructors

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constructor()

Types

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object Companion

Functions

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fun mercatorScale(lat: Double): Double

Determine the Mercator scale factor for a given latitude. At the equator the scale factor will be 1, which increases at higher latitudes. https://en.wikipedia.org/wiki/Mercator_projection#Scale_factor

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open override fun pixelsPerMeter(lat: Double, worldSize: Double): Double

Returns the number of pixels per meter at a given latitude.

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open override fun project(coord: Coordinate, altitude: Double): PlotCoordinate

Projects a geographical coordinate to a plot coordinate.

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fun projectTilePoint(x: Double, y: Double): PlotCoordinate
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open override fun unproject(point: PlotCoordinate): Coordinate

Projects a geographical coordinate to a plot coordinate.

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fun upVector(coord: TileCoord): Vector3
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fun upVectorScale(coord: TileCoord, lat: Double, worldSize: Double): ElevationScale