forked from upstream-mirrors/OpenTracks
Dennis Guse
70 lines
2.7 KiB
Java
70 lines
2.7 KiB
Java
/*
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* Copyright 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package de.dennisguse.opentracks.data.models;
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/**
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* Unit conversion constants.
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*
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* @author Sandor Dornbush
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*/
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public class UnitConversions {
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// Time //TODO Use Duration
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// multiplication factor to convert seconds to milliseconds
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@Deprecated
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public static final long S_TO_MS = 1000;
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// multiplication factor to convert milliseconds to seconds
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@Deprecated
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public static final double MS_TO_S = 1d / S_TO_MS;
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// multiplication factor to convert minutes to seconds
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@Deprecated
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public static final double MIN_TO_S = 60.0;
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// multiplication factor to convert seconds to minutes
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@Deprecated
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public static final double S_TO_MIN = 1 / MIN_TO_S;
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// multiplication factor to convert minutes to hours
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@Deprecated
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public static final double MIN_TO_HR = 1 / 60.0;
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// multiplication factor to convert kilometers to miles
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public static final double KM_TO_MI = 0.621371192;
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// Distance //TODO Make private to Distance class!
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// multiplication factor to convert miles to feet
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private static final double MI_TO_FT = 5280.0;
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// multiplication factor to covert kilometers to meters
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public static final double KM_TO_M = 1000.0;
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// multiplication factor to convert meters to kilometers
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public static final double M_TO_KM = 1 / KM_TO_M;
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// multiplication factor to convert meters to miles
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public static final double M_TO_MI = M_TO_KM * KM_TO_MI;
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// multiplication factor to convert meters to feet
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public static final double M_TO_FT = M_TO_MI * MI_TO_FT;
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public static final double NAUTICAL_MILE_TO_M = 1852.0;
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public static final double M_TO_NAUTICAL_MILE = 1 / NAUTICAL_MILE_TO_M;
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public static final double KM_TO_NAUTICAL_MILE = 1000 * M_TO_NAUTICAL_MILE;
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// multiplication factor to convert meters per second to kilometers per hour
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public static final double MPS_TO_KMH = M_TO_KM / (S_TO_MIN * MIN_TO_HR);
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// multiplication factor to convert miles to km
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public static final double MI_TO_KM = 1 / KM_TO_MI;
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// multiplication factor to convert miles to m
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public static final double MI_TO_M = MI_TO_KM * KM_TO_M;
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private UnitConversions() {
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}
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}
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