http://lucene.apache.org/lucene-parent/lucene-spatial3d: Lucene Spatial shapes implemented using 3D planar geometry (The Apache Software Foundation) 
/*
 * 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,
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 * See the License for the specific language governing permissions and
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package org.apache.lucene.spatial3d.geom;


All bounding box shapes have this interface in common.
This describes methods that bounding boxes have above and beyond
GeoMembershipShape's.

@lucene.experimental
/**
 * All bounding box shapes have this interface in common.
 * This describes methods that bounding boxes have above and beyond
 * GeoMembershipShape's.
 *
 * @lucene.experimental
 */
public interface GeoBBox extends GeoAreaShape, GeoSizeable {

  
Expand box by specified angle.

Params:
  • angle – is the angle amount to expand the GeoBBox by.
Returns:a new GeoBBox.
/**
   * Expand box by specified angle.
   *
   * @param angle is the angle amount to expand the GeoBBox by.
   * @return a new GeoBBox.
   */
  public GeoBBox expand(double angle);

}