LightCurveSimulator

java.lang.Object
- util.PropertyContainer
- - astro.LightCurveSimulator

All Implemented Interfaces:

Cloneable, Initializable, PropertySupplying
```
public class LightCurveSimulator
extends PropertyContainer
implements Initializable
```
Very simple program to simulate light curves.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class LightCurveSimulator.Series
Parses the command line and prints out a simluated light curve.

Nested Classes
Modifier and Type	Class and Description
`static class`	`LightCurveSimulator.Series` Parses the command line and prints out a simluated light curve.

Field Summary

Fields
Modifier and Type	Field and Description
`private double`	`alpha` Photon constant.
`private double`	`beta` Scintillation constant.
`private static double`	`DEFALTITUDE` Default value.
`private static double`	`DEFDIAMETER` Default diameter.
`private static double`	`DEFEXPOSURETIME` Default value.
`private static double`	`DEFKPRIME` Default kprime.
`private static double`	`DEFLATITUDE` Default value.
`private static double`	`DEFLIGHTLOSS` Default value.
`private static double`	`DEFLONGITUDE` Default value.
`private static double`	`DEFMINHEIGHT` Default value.
`private static double`	`DEFREADOUT` Default value.
`private static boolean`	`DEFRECTANGLE` Default use plain sine wave.
`private static double`	`DEFSCINTILLATION` Default value.
`private static double`	`DEFSKYAPERTURE` Default aperture diameter in arcsec.
`private static double`	`DEFSKYBRIGHT` Default sky brightness.
`private static double`	`DEFSOLHEIGHT` Default allowed maximum solar height.
`private AltTarget`	`h` The height of the target at the stated time.
`private static double`	`H0` Validity elevation above sea level for scintillation formular.
`static String`	`KEY_ALTITUDE` The observatory height.
`static String`	`KEY_AMPLITUDE` The peak-to-valley amplitude of the light curve in mag.
`static String`	`KEY_BRIGHTNESS` The magnitude of the primary star, V.
`static String`	`KEY_DETARGET` The declination of the object.
`static String`	`KEY_DIAMETER` The telescope diameter for photon gathering.
`static String`	`KEY_EXPOSURETIME` The exposure time in seconds.
`static String`	`KEY_KPRIME` The airmass konstant.
`static String`	`KEY_LATITUDE` The latitude of the observatory.
`static String`	`KEY_LIGHTLOSS` The light-loss factor, ioncluding telescope and CCD.
`static String`	`KEY_LONGITUDE` The longitude of the observatory.
`static String`	`KEY_MINHEIGHT` The minimum height.
`static String`	`KEY_PERIOD` The period of the light-curve in days.
`static String`	`KEY_RATARGET` The right ascension of the object.
`static String`	`KEY_READOUT` The read-out/acquire delay.
`static String`	`KEY_RECTANGLE` If true, use a rectangluar wave instead of sine.
`static String`	`KEY_SCINTILLATION` The scintillation constant.
`static String`	`KEY_SKYAPERTURE` The aperture of measure.
`static String`	`KEY_SKYBRIGHT` The mag/arcsec^2 of photon sky noise.
`static String`	`KEY_SOLHEIGHT` Observing only, when sun is lower than that.
`static String`	`KEY_SPAN` The observing time span in days.
`static String`	`KEY_START` The starting time of the simulation.
`private Distance`	`moondist` Distance from object to moon on sky.
`private MoonHeight`	`moonh` The moon height.
`private MoonAngle`	`moonphi` Moon phase.
`private static PoissonRandom`	`RANDOM` The random generator.
`private SolHeight`	`solh` The solar height.
`private SettableTime`	`t` Our time variable.

Fields inherited from class util.PropertyContainer
KEY_LISTSEPARATOR, KEY_MAPKEYVALUECHAR, KEY_MAPSEPARATOR

Fields inherited from interface util.PropertySupplying
CONFIG, KEY_CLASS

Constructor Summary

Constructors
Constructor and Description

LightCurveSimulator(Map<String,String> prop)
Constructs a new light curve simulator, defaulting some values.

Constructors
Constructor and Description
`LightCurveSimulator(Map<String,String> prop)` Constructs a new light curve simulator, defaulting some values.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`init()` We create all necessary parameters out of our properties here.
`int`	`printCurve(PrintWriter out)` Simulates values of the light curve at regular intervals composed of exposure time plus readout time.
`double`	`simulate(double m0)` Simulates a light-curve value at a given point in time stored in the global time variable for a given outside-of-atmosphere V magnitude.

Methods inherited from class util.PropertyContainer
augment, augment, augment, augment, augment, clone, defaultBoolean, defaultChar, defaultDouble, defaultFloat, defaultInt, defaultLong, defaultObject, defaultObject, defaultProperties, defaultProperty, getAsBoolean, getAsChar, getAsDouble, getAsEnums, getAsFloat, getAsInt, getAsList, getAsLong, getAsMap, getAsMap, getAsObject, getAsObject, getProperties, getProperty, has, initProperties, isNew, parseObject, parseObject, reload, reload, removeProperty, requires, rescanned, setObject, setProperties, setProperty, stringProperties, toString

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

- Field Detail
  - KEY_DIAMETER
```
public static final String KEY_DIAMETER
```
    The telescope diameter for photon gathering.
    
    See Also:
    
    Constant Field Values
  - KEY_EXPOSURETIME
```
public static final String KEY_EXPOSURETIME
```
    The exposure time in seconds.
    
    See Also:
    
    Constant Field Values
  - KEY_LIGHTLOSS
```
public static final String KEY_LIGHTLOSS
```
    The light-loss factor, ioncluding telescope and CCD.
    
    See Also:
    
    Constant Field Values
  - KEY_LONGITUDE
```
public static final String KEY_LONGITUDE
```
    The longitude of the observatory.
    
    See Also:
    
    Constant Field Values
  - KEY_LATITUDE
```
public static final String KEY_LATITUDE
```
    The latitude of the observatory.
    
    See Also:
    
    Constant Field Values
  - KEY_ALTITUDE
```
public static final String KEY_ALTITUDE
```
    The observatory height.
    
    See Also:
    
    Constant Field Values
  - KEY_RATARGET
```
public static final String KEY_RATARGET
```
    The right ascension of the object.
    
    See Also:
    
    Constant Field Values
  - KEY_DETARGET
```
public static final String KEY_DETARGET
```
    The declination of the object.
    
    See Also:
    
    Constant Field Values
  - KEY_BRIGHTNESS
```
public static final String KEY_BRIGHTNESS
```
    The magnitude of the primary star, V.
    
    See Also:
    
    Constant Field Values
  - KEY_READOUT
```
public static final String KEY_READOUT
```
    The read-out/acquire delay.
    
    See Also:
    
    Constant Field Values
  - KEY_MINHEIGHT
```
public static final String KEY_MINHEIGHT
```
    The minimum height.
    
    See Also:
    
    Constant Field Values
  - KEY_KPRIME
```
public static final String KEY_KPRIME
```
    The airmass konstant.
    
    See Also:
    
    Constant Field Values
  - KEY_SKYBRIGHT
```
public static final String KEY_SKYBRIGHT
```
    The mag/arcsec^2 of photon sky noise.
    
    See Also:
    
    Constant Field Values
  - KEY_SKYAPERTURE
```
public static final String KEY_SKYAPERTURE
```
    The aperture of measure.
    
    See Also:
    
    Constant Field Values
  - KEY_SCINTILLATION
```
public static final String KEY_SCINTILLATION
```
    The scintillation constant.
    
    See Also:
    
    Constant Field Values
  - KEY_RECTANGLE
```
public static final String KEY_RECTANGLE
```
    If true, use a rectangluar wave instead of sine.
    
    See Also:
    
    Constant Field Values
  - KEY_AMPLITUDE
```
public static final String KEY_AMPLITUDE
```
    The peak-to-valley amplitude of the light curve in mag.
    
    See Also:
    
    Constant Field Values
  - KEY_PERIOD
```
public static final String KEY_PERIOD
```
    The period of the light-curve in days.
    
    See Also:
    
    Constant Field Values
  - KEY_START
```
public static final String KEY_START
```
    The starting time of the simulation.
    
    See Also:
    
    Constant Field Values
  - KEY_SPAN
```
public static final String KEY_SPAN
```
    The observing time span in days.
    
    See Also:
    
    Constant Field Values
  - KEY_SOLHEIGHT
```
public static final String KEY_SOLHEIGHT
```
    Observing only, when sun is lower than that.
    
    See Also:
    
    Constant Field Values
  - DEFDIAMETER
```
private static final double DEFDIAMETER
```
    Default diameter.
    
    See Also:
    
    Constant Field Values
  - DEFEXPOSURETIME
```
private static final double DEFEXPOSURETIME
```
    Default value.
    
    See Also:
    
    Constant Field Values
  - DEFLIGHTLOSS
```
private static final double DEFLIGHTLOSS
```
    Default value.
    
    See Also:
    
    Constant Field Values
  - DEFLONGITUDE
```
private static final double DEFLONGITUDE
```
    Default value.
  - DEFLATITUDE
```
private static final double DEFLATITUDE
```
    Default value.
  - DEFALTITUDE
```
private static final double DEFALTITUDE
```
    Default value.
  - DEFREADOUT
```
private static final double DEFREADOUT
```
    Default value.
    
    See Also:
    
    Constant Field Values
  - DEFMINHEIGHT
```
private static final double DEFMINHEIGHT
```
    Default value.
    
    See Also:
    
    Constant Field Values
  - DEFKPRIME
```
private static final double DEFKPRIME
```
    Default kprime.
    
    See Also:
    
    Constant Field Values
  - DEFSKYBRIGHT
```
private static final double DEFSKYBRIGHT
```
    Default sky brightness.
    
    See Also:
    
    Constant Field Values
  - DEFSKYAPERTURE
```
private static final double DEFSKYAPERTURE
```
    Default aperture diameter in arcsec.
    
    See Also:
    
    Constant Field Values
  - DEFSCINTILLATION
```
private static final double DEFSCINTILLATION
```
    Default value.
    
    See Also:
    
    Constant Field Values
  - DEFSOLHEIGHT
```
private static final double DEFSOLHEIGHT
```
    Default allowed maximum solar height.
    
    See Also:
    
    Constant Field Values
  - DEFRECTANGLE
```
private static final boolean DEFRECTANGLE
```
    Default use plain sine wave.
    
    See Also:
    
    Constant Field Values
  - H0
```
private static final double H0
```
    Validity elevation above sea level for scintillation formular.
    
    See Also:
    
    Constant Field Values
  - RANDOM
```
private static final PoissonRandom RANDOM
```
    The random generator.
  - t
```
private SettableTime t
```
    Our time variable.
  - h
```
private AltTarget h
```
    The height of the target at the stated time.
  - solh
```
private SolHeight solh
```
    The solar height.
  - moonh
```
private MoonHeight moonh
```
    The moon height.
  - moonphi
```
private MoonAngle moonphi
```
    Moon phase.
  - moondist
```
private Distance moondist
```
    Distance from object to moon on sky.
  - alpha
```
private double alpha
```
    Photon constant.
  - beta
```
private double beta
```
    Scintillation constant.
- Constructor Detail
  - LightCurveSimulator
```
public LightCurveSimulator(Map<String,String> prop)
```
    Constructs a new light curve simulator, defaulting some values.
- Method Detail
  - init
```
public void init()
```
    We create all necessary parameters out of our properties here.
    
    Specified by:
    
    init in interface Initializable
  - printCurve
```
public int printCurve(PrintWriter out)
```
    Simulates values of the light curve at regular intervals composed of exposure time plus readout time. We print out JD vs. instrumental magnitude.
    
    Returns:
    
    Number of data points writtn.
  - simulate
```
public double simulate(double m0)
```
    Simulates a light-curve value at a given point in time stored in the global time variable for a given outside-of-atmosphere V magnitude.

Class LightCurveSimulator

Nested Class Summary

Field Summary

Fields inherited from class util.PropertyContainer

Fields inherited from interface util.PropertySupplying

Constructor Summary

Method Summary

Methods inherited from class util.PropertyContainer

Methods inherited from class java.lang.Object

Field Detail

KEY_DIAMETER

KEY_EXPOSURETIME

KEY_LIGHTLOSS

KEY_LONGITUDE

KEY_LATITUDE

KEY_ALTITUDE

KEY_RATARGET

KEY_DETARGET

KEY_BRIGHTNESS

KEY_READOUT

KEY_MINHEIGHT

KEY_KPRIME

KEY_SKYBRIGHT

KEY_SKYAPERTURE

KEY_SCINTILLATION

KEY_RECTANGLE

KEY_AMPLITUDE

KEY_PERIOD

KEY_START

KEY_SPAN

KEY_SOLHEIGHT

DEFDIAMETER

DEFEXPOSURETIME

DEFLIGHTLOSS

DEFLONGITUDE

DEFLATITUDE

DEFALTITUDE

DEFREADOUT

DEFMINHEIGHT

DEFKPRIME

DEFSKYBRIGHT

DEFSKYAPERTURE

DEFSCINTILLATION

DEFSOLHEIGHT

DEFRECTANGLE

H0

RANDOM

t

h

solh

moonh

moonphi

moondist

alpha

beta

Constructor Detail

LightCurveSimulator

Method Detail

init

printCurve

simulate