+++ /dev/null
-package tim.prune.data;
-
-import tim.prune.config.Config;
-
-/**
- * Class to provide distance constants and functions
- */
-public abstract class Distance
-{
- // Geographical constants
- /** Earth radius in metres */
- private static final double EARTH_RADIUS_M = 6372795.0;
-
-
- /**
- * Convert the given angle in radians into a distance
- * @param inAngDist angular distance in radians
- * @return distance in currently configured distance units
- */
- public static double convertRadiansToDistance(double inAngDist)
- {
- return convertRadiansToDistance(inAngDist, Config.getUnitSet().getDistanceUnit());
- }
-
- /**
- * Convert the given angle in radians into a distance
- * @param inAngDist angular distance in radians
- * @param inUnit distance units
- * @return distance in specified distance units
- */
- public static double convertRadiansToDistance(double inAngDist, Unit inUnit)
- {
- // Multiply by appropriate factor
- return inAngDist * EARTH_RADIUS_M * inUnit.getMultFactorFromStd();
- }
-
- /**
- * Convert the given distance into an angle in radians
- * @param inDist distance to convert in the current distance units
- * @return angular distance in radians
- */
- public static double convertDistanceToRadians(double inDist)
- {
- return convertDistanceToRadians(inDist, Config.getUnitSet().getDistanceUnit());
- }
-
- /**
- * Convert the given distance into an angle in radians
- * @param inDist distance to convert in the current distance units
- * @param inUnit distance unit
- * @return angular distance in radians
- */
- public static double convertDistanceToRadians(double inDist, Unit inUnit)
- {
- // Divide by appropriate factor
- return inDist / EARTH_RADIUS_M / inUnit.getMultFactorFromStd();
- }
-}