maplayr/io.attractions.maplayr.model.coordinate.projection/MapProjection/WebMercator

WebMercator

object WebMercator : MapProjection

An implementation of MapProjection for the Web Mercator projection

Functions

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open override fun geographicToMapPoint(geographicCoordinate: GeographicCoordinate): MapPoint

Converts a GeographicCoordinate to a MapPoint.

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open override fun mapPointToGeographic(mapPoint: MapPoint): GeographicCoordinate

Converts a MapPoint back to a GeographicCoordinate.

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fun scaleAt(geographicCoordinate: GeographicCoordinate): Double

This function computes a map vector where each dimension is the length of a metre at the map point the given coordinates project into. The average of the magnitude in the x & y direction of the resulting vector is computed which is returned as the scale.