Back to project page Sunset.
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GNU General Public License
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/* * Copyright 2008-2009 Mike Reedell / LuckyCatLabs. * // www.jav a 2 s .co m * 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. */ package edu.rosehulman.sunrisesunset; import java.math.BigDecimal; /** * Defines the solar declination used in computing the sunrise/sunset. */ public class Zenith { /** Astronomical sunrise/set is when the sun is 18 degrees below the horizon. */ public static final Zenith ASTRONOMICAL = new Zenith(108); /** Nautical sunrise/set is when the sun is 12 degrees below the horizon. */ public static final Zenith NAUTICAL = new Zenith(102); /** Civil sunrise/set (dawn/dusk) is when the sun is 6 degrees below the horizon. */ public static final Zenith CIVIL = new Zenith(96); /** Official sunrise/set is when the sun is 50' below the horizon. */ public static final Zenith OFFICIAL = new Zenith(90.8333); private final BigDecimal degrees; public Zenith(double degrees) { this.degrees = BigDecimal.valueOf(degrees); } public BigDecimal degrees() { return degrees; } }