content: /**
   * 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/>
   * THIS PROJECTION IS WRONG, but it's not going to be fixed b/c it will break a lot of existing tests, plus we are deprecating
   * most of the existing spatial and replacing with a more reliable approach.
   *
   * <p><font color="red"><b>NOTE:</b> This API is still in
   * flux and might change in incompatible ways in the next
   * release.</font>
   *
   * @deprecated Until we can put in place proper tests and a proper fix. 
   */
  @Deprecated
  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;
      
    }
    
  }
  
  /*
  This whole file should really be:*/
  
  /**
   * Based on Sinusoidal Projections
   * Project a latitude / longitude on a 2D cartesian map using the Prime Meridian as the "central meridian"
   *
   * See http://en.wikipedia.org/wiki/Sinusoidal_projection
   *
   * <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) {
      double [] coords = coords(latitude, longitude);
      return coords[0] + "," + coords[1];
    }
  
    public double[] coords(double latitude, double longitude) {
      double rlat = latitude * DistanceUtils.DEGREES_TO_RADIANS;
      double rlong = longitude * DistanceUtils.DEGREES_TO_RADIANS;
      double x = rlong * Math.cos(rlat);
      return new double[]{x, rlat};
  
    }
  
  }
  */
  
  
  
  