/*
* Licensed to GraphHopper GmbH under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* GraphHopper GmbH licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.graphhopper.geohash;
import com.graphhopper.util.shapes.GHPoint;
/**
* Defines the mapping between a one dimensional 'number' and a point (lat, lon) which is limited to
* a defined bounds.
* <p>
*
* @author Peter Karich
*/
public interface KeyAlgo {
/**
* Sets the bounds of the underlying key algorithm.
*/
KeyAlgo setBounds(double minLonInit, double maxLonInit, double minLatInit, double maxLatInit);
long encode(GHPoint coord);
long encode(double lat, double lon);
void decode(long spatialKey, GHPoint latLon);
}