/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.lucene.spatial.tier.projections;
/**
* Based on Sinusoidal Projections
* Project a latitude / longitude on a 2D cartesian map
*
* <p><font color="red"><b>NOTE:</b> This API is still in
* flux and might change in incompatible ways in the next
* release.</font>
*/
public class SinusoidalProjector implements IProjector {
public String coordsAsString(double latitude, double longitude) {
return null;
}
public double[] coords(double latitude, double longitude) {
double rlat = Math.toRadians(latitude);
double rlong = Math.toRadians(longitude);
double nlat = rlong * Math.cos(rlat);
double r[] = {nlat, rlong};
return r;
}
}