com.telenav.map.engine

Class LocationDayModeCalculator

java.lang.Object

com.telenav.map.engine.LocationDayModeCalculator

public class LocationDayModeCalculator
extends Object

Provides methods to calculate sunrise, sunset and civil, nautical and astronomical twilight times for a given latitude and longitude.

Based on functions available at http://www.srrb.noaa.gov/highlights/sunrise/sunrise.html

For more information on using this class, look at http://www.jstott.me.uk/jsuntimes/

Constructor Summary

Constructors

Constructor and Description
LocationDayModeCalculator()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	isDayMode(android.location.Location location)
static Time	sunriseTime(double julian, com.telenav.map.engine.LocationDayModeCalculator.LatitudeLongitude ll, TimeZone timeZone, boolean dst) Calculate the UTC of sunrise for the given day at the given latitude and longitude on Earth

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LocationDayModeCalculator

public LocationDayModeCalculator()

Method Detail

sunriseTime

public static Time sunriseTime(double julian,
               com.telenav.map.engine.LocationDayModeCalculator.LatitudeLongitude ll,
               TimeZone timeZone,
               boolean dst)

Calculate the UTC of sunrise for the given day at the given latitude and longitude on Earth

Parameters:

julian - Julian day

ll - latitude and longitude of observer in degrees

timeZone - the timeZone to use (e.g. Sun.GMT or Sun.PST)

dst - true if daylight savings time (summer time) should be taken into account

Returns:

time in minutes from zero Z

isDayMode

public static boolean isDayMode(android.location.Location location)