EarthConstants.h

/*
 * Copyright (C) 2019 HERE Europe B.V.
 *
 * Licensed 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * License-Filename: LICENSE
 */
 
#pragma once
 
#include <olp/core/CoreApi.h>
 
namespace olp {
namespace geo {
class CORE_API EarthConstants {
 public:
  static double EquatorialRadius();
  static double PolarRadius();
  static double EquatorialCircumference();
 
  static double MinimumElevation();
 
  static double MaximumElevation();
};
 
inline double EarthConstants::EquatorialRadius() { return 6378137.0; }
 
inline double EarthConstants::PolarRadius() { return 6356752.3142; }
 
inline double EarthConstants::EquatorialCircumference() {
  // 2.0 * equatorialRadius() * math::pi<double>()
  return 40075016.6855784861531768177614;
}
 
inline double EarthConstants::MinimumElevation() { return -418; }
 
inline double EarthConstants::MaximumElevation() { return 8848; }
 
}  // namespace geo
}  // namespace olp