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Diffstat (limited to 'src/org/traccar/helper/UnitsConverter.java')
-rw-r--r-- | src/org/traccar/helper/UnitsConverter.java | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/org/traccar/helper/UnitsConverter.java b/src/org/traccar/helper/UnitsConverter.java deleted file mode 100644 index 3dd435df4..000000000 --- a/src/org/traccar/helper/UnitsConverter.java +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright 2015 Anton Tananaev (anton@traccar.org) - * - * 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 org.traccar.helper; - -public final class UnitsConverter { - - private static final double KNOTS_TO_KPH_RATIO = 0.539957; - private static final double KNOTS_TO_MPH_RATIO = 0.868976; - private static final double KNOTS_TO_MPS_RATIO = 1.94384; - private static final double KNOTS_TO_CPS_RATIO = 0.0194384449; - private static final double METERS_TO_FEET_RATIO = 0.3048; - private static final double METERS_TO_MILE_RATIO = 1609.34; - private static final long MILLISECONDS_TO_HOURS_RATIO = 3600000; - private static final long MILLISECONDS_TO_MINUTES_RATIO = 60000; - - private UnitsConverter() { - } - - public static double knotsFromKph(double value) { // km/h - return value * KNOTS_TO_KPH_RATIO; - } - - public static double kphFromKnots(double value) { - return value / KNOTS_TO_KPH_RATIO; - } - - public static double knotsFromMph(double value) { - return value * KNOTS_TO_MPH_RATIO; - } - - public static double mphFromKnots(double value) { - return value / KNOTS_TO_MPH_RATIO; - } - - public static double knotsFromMps(double value) { // m/s - return value * KNOTS_TO_MPS_RATIO; - } - - public static double mpsFromKnots(double value) { - return value / KNOTS_TO_MPS_RATIO; - } - - public static double knotsFromCps(double value) { // cm/s - return value * KNOTS_TO_CPS_RATIO; - } - - public static double feetFromMeters(double value) { - return value / METERS_TO_FEET_RATIO; - } - - public static double metersFromFeet(double value) { - return value * METERS_TO_FEET_RATIO; - } - - public static double milesFromMeters(double value) { - return value / METERS_TO_MILE_RATIO; - } - - public static double metersFromMiles(double value) { - return value * METERS_TO_MILE_RATIO; - } - - public static long msFromHours(long value) { - return value * MILLISECONDS_TO_HOURS_RATIO; - } - - public static long msFromHours(double value) { - return (long) (value * MILLISECONDS_TO_HOURS_RATIO); - } - - public static long msFromMinutes(long value) { - return value * MILLISECONDS_TO_MINUTES_RATIO; - } - -} |