ISun

java.lang.Object
- igeo.ISun

```
public class ISun
extends java.lang.Object
```
A solar analysis package providing direction of the sun in the spcecified location at the specified time.

Author:

Satoru Sugihara

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`ISun.City`
`static class`	`ISun.DateIterator`
`static class`	`ISun.DateRange`
`static class`	`ISun.Location`
`static class`	`ISun.SearchBuffer`

Field Summary

Fields
Modifier and Type	Field and Description
`static boolean`	`aberrationCorrection`
`double`	`altitude`
`double`	`azimuth`
`java.util.ArrayList<ISun.SearchBuffer>`	`buffers`
`static int`	`bufferSampleNum` internal search buffer default sample num per a day
`int`	`day` input time info
`boolean`	`daylightSaving` switch to interpret hour as hour in daylight saving day
`IVec`	`dir`
`double`	`elevation` height(altitude) of the location
`double`	`hour` hour includes fraction of minutes and seconds
`double`	`latitude` input location info
`double`	`longitude` input location info
`static boolean`	`measureAzimuthFromSouth`
`int`	`month` input time info
`IVec`	`northDir`
`static boolean`	`nutationCorrection`
`static boolean`	`precessionCorrection`
`static boolean`	`refractionCorrection`
`double`	`timeZone` time zone as difference of hours from GMT; -12 - +12
`boolean`	`updateAngle`
`int`	`year` input time info

Constructor Summary

Constructors
Constructor and Description
`ISun()`
`ISun(double latitude, double longitude, double timeZone)`
`ISun(double latitude, double longitude, double elevation, double timeZone)`
`ISun(double latitude, double longitude, double elevation, double timeZone, int year, int month, int day, double hour, boolean daylightSavingTime)`
`ISun(double latitude, double longitude, double elevation, double timeZone, IVec northDir)`
`ISun(double latitude, double longitude, double elevation, double timeZone, IVec northDir, int year, int month, int day, double hour, boolean daylightSavingTime)`
`ISun(double latitude, double longitude, double timeZone, IVec northDir)`
`ISun(ISun.City city)`
`ISun(ISun.City city, IVec northDir)`
`ISun(ISun.Location location)`
`ISun(ISun.Location location, IVec northDir)`

Method Summary

Methods
Modifier and Type	Method and Description
`static java.lang.String`	`adstring(double ra)`
`double`	`altitude()` calculate altitude angle
`static double`	`altitude(double latitude, double longitude, double elevation, double timeZone, int year, int month, int day, double hour, boolean daylightSavingTime)` calculate altitude angle at the given time and location hour can include fraction of minutes
`double`	`altitude(int year, int month, int day, double hour)` calculate altitude angle at the given time.
`double`	`altitude(int year, int month, int day, double hour, boolean daylightSavingTime)` calculate altitude angle at the given time.
`double`	`altitude(int year, int month, int day, int hour, double minute)` calculate altitude angle at the given time.
`double`	`altitude(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)` calculate altitude angle at the given time.
`double`	`altitude(int year, int month, int day, int hour, int minute, double second)` calculate altitude angle at the given time.
`double`	`altitude(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)` calculate altitude angle at the given time.
`double`	`altitudeAt(double azimuth, int year, int month, int day)` search altitude in the specified date when sun comes in the direction of azimuth
`double`	`altitudeAt(double azimuth, int year, int month, int day, int sampleNumber)` search altitude in the specified date when sun comes in the direction of azimuth
`double`	`altitudeAt(IVec azimuthDir, int year, int month, int day)` search altitude in the specified date when sun comes in the direction of azimuth
`double[]`	`angles()`
`static double[]`	`angles(double latitude, double longitude, double elevation, double timeZone, int year, int month, int day, double hour, boolean daylightSavingTime)` alias of calcAngle.
`double[]`	`angles(int year, int month, int day, double hour)`
`double[]`	`angles(int year, int month, int day, double hour, boolean daylightSavingTime)`
`double[]`	`angles(int year, int month, int day, int hour, double minute)`
`double[]`	`angles(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)`
`double[]`	`angles(int year, int month, int day, int hour, int minute, double second)`
`double[]`	`angles(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)`
`double`	`azimuth()` calculate azimuth.
`static double`	`azimuth(double latitude, double longitude, double elevation, double timeZone, int year, int month, int day, double hour, boolean daylightSavingTime)` calculate azimuth angle at the given time and location hour can include fraction of minutes
`double`	`azimuth(int year, int month, int day, double hour)` calculate azimuth at the given time.
`double`	`azimuth(int year, int month, int day, double hour, boolean daylightSavingTime)` calculate azimuth at the given time.
`double`	`azimuth(int year, int month, int day, int hour, double minute)` calculate azimuth at the given time.
`double`	`azimuth(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)` calculate azimu at the given time.
`double`	`azimuth(int year, int month, int day, int hour, int minute, double second)` calculate azimuth at the given time.
`double`	`azimuth(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)` calculate azimuth at the given time.
`static double`	`azimuth(IVec azimuthDir, IVec northDirection)` conveting vector to azimuth angle
`ISun`	`calc()`
`static double[]`	`calcAngle(double latitude, double longitude, double elevation, double timeZone, int year, int month, int day, double hour, boolean daylightSavingTime)` calculate altitude and azimuth angle.
`static double[]`	`calcEquatorialCoordinates(double julianDate)`
`static double[]`	`calcHorizontalCoordinates(double rightAscension, double declination, double julianDate, double latitude, double longitude, double elevation, double eclipticLongitude)`
`static double[]`	`coaberration(double julianDate, double rightAscension, double declination, double eps, double eclipticLongitude)`
`static double[]`	`conutate(double julianDate, double rightAscension, double declination)`
`static double`	`corefract(double altitudeAngle, double elevation)`
`static double`	`corefractForward(double altitudeAngle, double pressure, double temperature)`
`static java.lang.String`	`degStr(double deg)`
`IVec`	`dir()`
`static IVec`	`dir(double latitude, double longitude, double elevation, double timeZone, IVec northDir, int year, int month, int day, double hour, boolean daylightSavingTime)`
`IVec`	`dir(int year, int month, int day, double hour)`
`IVec`	`dir(int year, int month, int day, double hour, boolean daylightSavingTime)`
`IVec`	`dir(int year, int month, int day, int hour, double minute)`
`IVec`	`dir(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)`
`IVec`	`dir(int year, int month, int day, int hour, int minute, double second)`
`IVec`	`dir(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)`
`IVec`	`dirAt(double azimuth, int year, int month, int day)` solar direction vector at specified azimuth on the date
`IVec`	`dirAt(double azimuth, int year, int month, int day, int sampleNumber)` solar direction vector at specified azimuth on the date
`IVec`	`dirAt(IVec azimuthDir, int year, int month, int day)` solar direction vector at specified azimuth on the date
`IVec`	`direction()`
`static IVec`	`direction(double latitude, double longitude, double elevation, double timeZone, IVec northDir, int year, int month, int day, double hour, boolean daylightSavingTime)`
`static IVec`	`direction(double altitude, double azimuth, IVec northDir)` converting azimuth and altitude to XYZ vector
`IVec`	`direction(int year, int month, int day, double hour)`
`IVec`	`direction(int year, int month, int day, double hour, boolean daylightSavingTime)`
`IVec`	`direction(int year, int month, int day, int hour, double minute)`
`IVec`	`direction(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)`
`IVec`	`direction(int year, int month, int day, int hour, int minute, double second)`
`IVec`	`direction(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)`
`IVec`	`directionAt(double azimuth, int year, int month, int day)` solar direction vector at specified azimuth on the date
`IVec`	`directionAt(double azimuth, int year, int month, int day, int sampleNumber)` solar direction vector at specified azimuth on the date
`IVec`	`directionAt(IVec azimuthDir, int year, int month, int day)` solar direction vector at specified azimuth on the date
`static int`	`endDayOfMonth(int year, int month)`
`IVec`	`highestDirAt(double azimuth, int year)` highest solar vector in the specified azimuth through the year
`IVec`	`highestDirAt(double azimuth, ISun.DateRange dates)` highest solar vector in the specified azimuth through the year
`IVec`	`highestDirAt(double azimuth, ISun.DateRange dates, int sampleNumber)` highest solar vector in the specified azimuth through the year
`IVec`	`highestDirAt(IVec azimuthDir, int year)` highest solar vector in the specified azimuth through the year
`IVec`	`highestDirAt(IVec azimuthDir, ISun.DateRange dates)` highest solar vector in the specified azimuth through the year
`double`	`hourAt(double azimuth, int year, int month, int day, boolean daylightSavingTime)` search hour in the specified date when sun comes in the direction of azimuth
`double`	`hourAt(double azimuth, int year, int month, int day, boolean daylightSavingTime, int sampleNumber)` search hour in the specified date when sun comes in the direction of azimuth
`double`	`hourAt(IVec azimuthDir, int year, int month, int day, boolean daylightSavingTime)` search hour in the specified date when sun comes in the direction of azimuth
`static java.lang.String`	`hourStr(double deg)`
`static boolean`	`isLeapYear(int year)` convert count of days from Jan 1st to month and date.
`static double`	`julianDate(int year, int month, int day, double hour)` converting calender dates into julian dates.
`static double`	`localSiderealTime(double lng, double jd)` convert from local civil time to local mean siderial time.
`ISun`	`location(double latitude, double longitude, double timeZone)` setting location
`ISun`	`location(double latitude, double longitude, double elevation, double timeZone)` setting location
`ISun`	`location(double latitude, double longitude, double elevation, double timeZone, IVec northDir)` setting location
`ISun`	`location(double latitude, double longitude, double timeZone, IVec northDir)` setting location
`ISun`	`location(ISun.City city)` setting location
`ISun`	`location(ISun.City city, IVec northDir)` setting location
`ISun`	`location(ISun.Location location)` setting location
`ISun`	`location(ISun.Location location, IVec northDir)` setting location
`IVec[]`	`lowestAndHighestDirAt(double azimuth, int year)` highest and lowest solar vector in the specified azimuth through the year
`IVec[]`	`lowestAndHighestDirAt(double azimuth, ISun.DateRange dates)` highest and lowest solar vector in the specified azimuth through the year
`IVec[]`	`lowestAndHighestDirAt(double azimuth, ISun.DateRange dates, int sampleNumber)` highest and lowest solar vector in the specified azimuth through the year
`IVec[]`	`lowestAndHighestDirAt(IVec azimuthDir, int year)` highest and lowest solar vector in the specified azimuth through the year
`IVec[]`	`lowestAndHighestDirAt(IVec azimuthDir, ISun.DateRange dates)` highest and lowest solar vector in the specified azimuth through the year
`IVec`	`lowestDirAt(double azimuth, int year)` lowest solar vector in the specified azimuth through the year
`IVec`	`lowestDirAt(double azimuth, ISun.DateRange dates)` lowest solar vector in the specified azimuth through the year
`IVec`	`lowestDirAt(double azimuth, ISun.DateRange dates, int sampleNumber)` lowest solar vector in the specified azimuth through the year
`IVec`	`lowestDirAt(IVec azimuthDir, int year)` lowest solar vector in the specified azimuth through the year
`IVec`	`lowestDirAt(IVec azimuthDir, ISun.DateRange dates)` lowest solar vector in the specified azimuth through the year
`static void`	`main(java.lang.String[] args)`
`double`	`maxAltitudeAt(double azimuth, int year)` max altitude angle in the specified azimuth through the year
`double`	`maxAltitudeAt(double azimuth, ISun.DateRange dates)` max altitude angle in the specified azimuth through the year
`double`	`maxAltitudeAt(double azimuth, ISun.DateRange dates, int sampleNumber)` max altitude angle in the specified azimuth through the year
`double`	`maxAltitudeAt(IVec azimuthDir, int year)` max altitude angle in the specified azimuth through the year
`double`	`maxAltitudeAt(IVec azimuthDir, ISun.DateRange dates)` max altitude angle in the specified azimuth through the year
`double`	`minAltitudeAt(double azimuth, int year)` min altitude angle in the specified azimuth through the year
`double`	`minAltitudeAt(double azimuth, ISun.DateRange dates)` min altitude angle in the specified azimuth through the year
`double`	`minAltitudeAt(double azimuth, ISun.DateRange dates, int sampleNumber)` min altitude angle in the specified azimuth through the year
`double`	`minAltitudeAt(IVec azimuthDir, int year)` min altitude angle in the specified azimuth through the year
`double`	`minAltitudeAt(IVec azimuthDir, ISun.DateRange dates)` min altitude angle in the specified azimuth through the year
`double[]`	`minAndMaxAltitudeAt(double azimuth, int year)` max altitude angle in the specified azimuth through the year
`double[]`	`minAndMaxAltitudeAt(double azimuth, ISun.DateRange dates)` max altitude angle in the specified azimuth through the year
`double[]`	`minAndMaxAltitudeAt(double azimuth, ISun.DateRange dates, int sampleNumber)` max altitude angle in the specified azimuth through the year
`double[]`	`minAndMaxAltitudeAt(IVec azimuthDir, int year)` max altitude angle in the specified azimuth through the year
`double[]`	`minAndMaxAltitudeAt(IVec azimuthDir, ISun.DateRange dates)` max altitude angle in the specified azimuth through the year
`static double`	`mod(double x, double mod)` cyclic modulus operation including negative range
`ISun`	`northDir(IVec northDirection)` set north direction on XY plane
`ISun`	`northDirection(IVec northDirection)`
`static double[]`	`nutate(double julianDate)`
`static double[]`	`precess(double rightAscension, double declination, double equinox1, double equinox2, boolean fk4)`
`static double[][]`	`precessMatrix(double equinox1, double equinox2, boolean fk4)`
`ISun`	`time(int year, int month, int day, double hour)` setting time
`ISun`	`time(int year, int month, int day, double hour, boolean daylightSavingTime)` setting time
`ISun`	`time(int year, int month, int day, int hour, double minute)` setting time
`ISun`	`time(int year, int month, int day, int hour, double minute, boolean daylightSavingTime)` setting time
`ISun`	`time(int year, int month, int day, int hour, int minute, double second)` setting time
`ISun`	`time(int year, int month, int day, int hour, int minute, double second, boolean daylightSavingTime)` setting time

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

bufferSampleNum
```
public static int bufferSampleNum
```
internal search buffer default sample num per a day

latitude
```
public double latitude
```
input location info

longitude
```
public double longitude
```
input location info

elevation
```
public double elevation
```
height(altitude) of the location

timeZone
```
public double timeZone
```
time zone as difference of hours from GMT; -12 - +12

year
```
public int year
```
input time info

month
```
public int month
```
input time info

day
```
public int day
```
input time info

hour
```
public double hour
```
hour includes fraction of minutes and seconds

daylightSaving
```
public boolean daylightSaving
```
switch to interpret hour as hour in daylight saving day

dir
```
public IVec dir
```

azimuth
```
public double azimuth
```

altitude
```
public double altitude
```

updateAngle
```
public boolean updateAngle
```

northDir
```
public IVec northDir
```

buffers

public java.util.ArrayList<ISun.SearchBuffer> buffers

precessionCorrection

public static boolean precessionCorrection

nutationCorrection

public static boolean nutationCorrection

aberrationCorrection

public static boolean aberrationCorrection

refractionCorrection

public static boolean refractionCorrection

measureAzimuthFromSouth

public static boolean measureAzimuthFromSouth

Constructor Detail

ISun
```
public ISun()
```

ISun

public ISun(double latitude,
    double longitude,
    double elevation,
    double timeZone,
    IVec northDir,
    int year,
    int month,
    int day,
    double hour,
    boolean daylightSavingTime)

ISun

public ISun(double latitude,
    double longitude,
    double elevation,
    double timeZone,
    int year,
    int month,
    int day,
    double hour,
    boolean daylightSavingTime)

ISun

public ISun(double latitude,
    double longitude,
    double elevation,
    double timeZone,
    IVec northDir)

ISun

public ISun(double latitude,
    double longitude,
    double elevation,
    double timeZone)

ISun

public ISun(double latitude,
    double longitude,
    double timeZone,
    IVec northDir)

ISun

public ISun(double latitude,
    double longitude,
    double timeZone)

ISun

public ISun(ISun.City city,
    IVec northDir)

ISun
```
public ISun(ISun.City city)
```

ISun

public ISun(ISun.Location location,
    IVec northDir)

ISun
```
public ISun(ISun.Location location)
```

Method Detail

time

public ISun time(int year,
        int month,
        int day,
        int hour,
        int minute,
        double second,
        boolean daylightSavingTime)

setting time

time

public ISun time(int year,
        int month,
        int day,
        int hour,
        int minute,
        double second)

setting time

time

public ISun time(int year,
        int month,
        int day,
        int hour,
        double minute,
        boolean daylightSavingTime)

setting time

time

public ISun time(int year,
        int month,
        int day,
        int hour,
        double minute)

setting time

time

public ISun time(int year,
        int month,
        int day,
        double hour,
        boolean daylightSavingTime)

setting time

time

public ISun time(int year,
        int month,
        int day,
        double hour)

setting time

location

public ISun location(double latitude,
            double longitude,
            double elevation,
            double timeZone,
            IVec northDir)

setting location

location

public ISun location(double latitude,
            double longitude,
            double elevation,
            double timeZone)

setting location

location

public ISun location(double latitude,
            double longitude,
            double timeZone,
            IVec northDir)

setting location

location

public ISun location(double latitude,
            double longitude,
            double timeZone)

setting location

location

public ISun location(ISun.City city,
            IVec northDir)

setting location

location
```
public ISun location(ISun.City city)
```
setting location

location

public ISun location(ISun.Location location,
            IVec northDir)

setting location

location

public ISun location(ISun.Location location)

setting location

northDir

public ISun northDir(IVec northDirection)

set north direction on XY plane

northDirection

public ISun northDirection(IVec northDirection)

direction

public IVec direction(int year,
             int month,
             int day,
             int hour,
             int minute,
             double second,
             boolean daylightSavingTime)

direction

public IVec direction(int year,
             int month,
             int day,
             int hour,
             int minute,
             double second)

direction

public IVec direction(int year,
             int month,
             int day,
             int hour,
             double minute,
             boolean daylightSavingTime)

direction

public IVec direction(int year,
             int month,
             int day,
             int hour,
             double minute)

direction

public IVec direction(int year,
             int month,
             int day,
             double hour,
             boolean daylightSavingTime)

direction

public IVec direction(int year,
             int month,
             int day,
             double hour)

direction
```
public IVec direction()
```

dir

public IVec dir(int year,
       int month,
       int day,
       int hour,
       int minute,
       double second,
       boolean daylightSavingTime)

dir

public IVec dir(int year,
       int month,
       int day,
       int hour,
       int minute,
       double second)

dir

public IVec dir(int year,
       int month,
       int day,
       int hour,
       double minute,
       boolean daylightSavingTime)

dir

public IVec dir(int year,
       int month,
       int day,
       int hour,
       double minute)

dir

public IVec dir(int year,
       int month,
       int day,
       double hour,
       boolean daylightSavingTime)

dir

public IVec dir(int year,
       int month,
       int day,
       double hour)

dir
```
public IVec dir()
```

azimuth

public double azimuth(int year,
             int month,
             int day,
             int hour,
             int minute,
             double second,
             boolean daylightSavingTime)

calculate azimuth at the given time. second can include fraction of millisecond

azimuth

public double azimuth(int year,
             int month,
             int day,
             int hour,
             int minute,
             double second)

calculate azimuth at the given time. second can include fraction of millisecond

azimuth

public double azimuth(int year,
             int month,
             int day,
             int hour,
             double minute,
             boolean daylightSavingTime)

calculate azimu at the given time. minute can include fraction of second

azimuth

public double azimuth(int year,
             int month,
             int day,
             int hour,
             double minute)

calculate azimuth at the given time. minute can include fraction of second

azimuth

public double azimuth(int year,
             int month,
             int day,
             double hour,
             boolean daylightSavingTime)

calculate azimuth at the given time. hour can include fraction of minutes

azimuth

public double azimuth(int year,
             int month,
             int day,
             double hour)

calculate azimuth at the given time. hour can include fraction of minutes

azimuth
```
public double azimuth()
```
calculate azimuth.

altitude

public double altitude(int year,
              int month,
              int day,
              int hour,
              int minute,
              double second,
              boolean daylightSavingTime)

calculate altitude angle at the given time. second can include fraction of millisecond

altitude

public double altitude(int year,
              int month,
              int day,
              int hour,
              int minute,
              double second)

calculate altitude angle at the given time. second can include fraction of millisecond

altitude

public double altitude(int year,
              int month,
              int day,
              int hour,
              double minute,
              boolean daylightSavingTime)

calculate altitude angle at the given time. minute can include fraction of second

altitude

public double altitude(int year,
              int month,
              int day,
              int hour,
              double minute)

calculate altitude angle at the given time. minute can include fraction of second

altitude

public double altitude(int year,
              int month,
              int day,
              double hour,
              boolean daylightSavingTime)

calculate altitude angle at the given time. hour can include fraction of minute

altitude

public double altitude(int year,
              int month,
              int day,
              double hour)

calculate altitude angle at the given time. hour can include fraction of minute

altitude
```
public double altitude()
```
calculate altitude angle

angles

public double[] angles(int year,
              int month,
              int day,
              int hour,
              int minute,
              double second,
              boolean daylightSavingTime)

Returns:: array of 2 double, first azimuth and second altitude

angles

public double[] angles(int year,
              int month,
              int day,
              int hour,
              int minute,
              double second)

Returns:: array of 2 double, first azimuth and second altitude

angles

public double[] angles(int year,
              int month,
              int day,
              int hour,
              double minute,
              boolean daylightSavingTime)

Returns:: array of 2 double, first azimuth and second altitude

angles

public double[] angles(int year,
              int month,
              int day,
              int hour,
              double minute)

Returns:: array of 2 double, first azimuth and second altitude

angles

public double[] angles(int year,
              int month,
              int day,
              double hour,
              boolean daylightSavingTime)

Returns:: array of 2 double, first azimuth and second altitude

angles

public double[] angles(int year,
              int month,
              int day,
              double hour)

Returns:: array of 2 double, first azimuth and second altitude

angles
```
public double[] angles()
```
Returns:
array of 2 double, first azimuth and second altitude

calc
```
public ISun calc()
```

hourAt

public double hourAt(IVec azimuthDir,
            int year,
            int month,
            int day,
            boolean daylightSavingTime)

search hour in the specified date when sun comes in the direction of azimuth

hourAt

public double hourAt(double azimuth,
            int year,
            int month,
            int day,
            boolean daylightSavingTime)

search hour in the specified date when sun comes in the direction of azimuth

hourAt

public double hourAt(double azimuth,
            int year,
            int month,
            int day,
            boolean daylightSavingTime,
            int sampleNumber)

search hour in the specified date when sun comes in the direction of azimuth

altitudeAt

public double altitudeAt(IVec azimuthDir,
                int year,
                int month,
                int day)

search altitude in the specified date when sun comes in the direction of azimuth

altitudeAt

public double altitudeAt(double azimuth,
                int year,
                int month,
                int day)

search altitude in the specified date when sun comes in the direction of azimuth

altitudeAt

public double altitudeAt(double azimuth,
                int year,
                int month,
                int day,
                int sampleNumber)

search altitude in the specified date when sun comes in the direction of azimuth

directionAt

public IVec directionAt(IVec azimuthDir,
               int year,
               int month,
               int day)

solar direction vector at specified azimuth on the date

directionAt

public IVec directionAt(double azimuth,
               int year,
               int month,
               int day)

solar direction vector at specified azimuth on the date

directionAt

public IVec directionAt(double azimuth,
               int year,
               int month,
               int day,
               int sampleNumber)

solar direction vector at specified azimuth on the date

dirAt

public IVec dirAt(IVec azimuthDir,
         int year,
         int month,
         int day)

solar direction vector at specified azimuth on the date

dirAt

public IVec dirAt(double azimuth,
         int year,
         int month,
         int day)

solar direction vector at specified azimuth on the date

dirAt

public IVec dirAt(double azimuth,
         int year,
         int month,
         int day,
         int sampleNumber)

solar direction vector at specified azimuth on the date

minAltitudeAt

public double minAltitudeAt(IVec azimuthDir,
                   int year)

min altitude angle in the specified azimuth through the year

minAltitudeAt

public double minAltitudeAt(double azimuth,
                   int year)

min altitude angle in the specified azimuth through the year

minAltitudeAt

public double minAltitudeAt(IVec azimuthDir,
                   ISun.DateRange dates)

min altitude angle in the specified azimuth through the year

minAltitudeAt

public double minAltitudeAt(double azimuth,
                   ISun.DateRange dates)

min altitude angle in the specified azimuth through the year

minAltitudeAt

public double minAltitudeAt(double azimuth,
                   ISun.DateRange dates,
                   int sampleNumber)

min altitude angle in the specified azimuth through the year