com.graphhopper.geohash

Interface KeyAlgo

All Known Implementing Classes:

LinearKeyAlgo, SpatialKeyAlgo

public interface KeyAlgo

Defines the mapping between a one dimensional 'number' and a point (lat, lon) which is limited to a defined bounds.

Author:

Peter Karich

Method Summary

Modifier and Type	Method and Description
void	decode(long spatialKey, GHPoint latLon)
long	encode(double lat, double lon)
long	encode(GHPoint coord)
KeyAlgo	setBounds(double minLonInit, double maxLonInit, double minLatInit, double maxLatInit) Sets the bounds of the underlying key algorithm.

Method Detail

setBounds

KeyAlgo setBounds(double minLonInit,
                  double maxLonInit,
                  double minLatInit,
                  double maxLatInit)

Sets the bounds of the underlying key algorithm.

encode

long encode(GHPoint coord)

encode

long encode(double lat,
            double lon)

decode

void decode(long spatialKey,
            GHPoint latLon)