SkyCoordParameter (Starjava TTOOLS API)

java.lang.Object
- uk.ac.starlink.task.Parameter<java.lang.String>
- - uk.ac.starlink.task.StringParameter
  - - uk.ac.starlink.ttools.task.SkyCoordParameter

public class SkyCoordParameter
extends uk.ac.starlink.task.StringParameter

Utilities for sky coordinate parameters.

Since:: 15 May 2014
Author:: Mark Taylor

Field Summary
- Fields inherited from class uk.ac.starlink.task.Parameter
  BY_NAME

Constructor Summary

Constructors
Constructor and Description
`SkyCoordParameter(java.lang.String name, java.lang.String coordName, java.lang.String coordSys, java.lang.String tableDescrip)` Constructor.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static uk.ac.starlink.task.StringParameter`	`createDecParameter(java.lang.String paramName, java.lang.String coordSys, java.lang.String tableDescrip)` Utility method to create a parameter representing Declination.
`static uk.ac.starlink.task.StringParameter`	`createRaParameter(java.lang.String paramName, java.lang.String coordSys, java.lang.String tableDescrip)` Utility method to create a parameter representing Right Ascension.
`static java.lang.String`	`guessDecDegreesExpression(uk.ac.starlink.table.StarTable inTable)` Looks at table columns and makes a guess at a JEL expression which will give Declination in degrees.
`static java.lang.String`	`guessRaDegreesExpression(uk.ac.starlink.table.StarTable inTable)` Looks at table columns and makes a guess at a JEL expression which will give Right Ascension in degrees.

Methods inherited from class uk.ac.starlink.task.StringParameter
stringToObject

Methods inherited from class uk.ac.starlink.task.Parameter
clearValue, getDescription, getName, getPosition, getPreferExplicit, getPrompt, getStringDefault, getUsage, getValueClass, isNullPermitted, objectToString, objectValue, setDescription, setDescription, setName, setNullPermitted, setPosition, setPreferExplicit, setPrompt, setStringDefault, setUsage, setValue, setValueFromObject, setValueFromString, stringValue, toArray, toString

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

- Constructor Detail
  - SkyCoordParameter
```
public SkyCoordParameter(java.lang.String name,
                         java.lang.String coordName,
                         java.lang.String coordSys,
                         java.lang.String tableDescrip)
```
    Constructor.
    
    Parameters:
    
    name - parameter name
    
    coordName - text name for the coordinate, full word, capitalised, for instance "Right ascension"
    
    coordSys - name of coordinate system, or null
    
    tableDescrip - text denoting table to which the coordinate refers, for instance "the input table"
- Method Detail
  - createRaParameter
```
public static uk.ac.starlink.task.StringParameter createRaParameter(java.lang.String paramName,
                                                                    java.lang.String coordSys,
                                                                    java.lang.String tableDescrip)
```
    Utility method to create a parameter representing Right Ascension.
    
    Parameters:
    
    paramName - parameter name
    
    coordSys - name of coordinate system, or null
    
    tableDescrip - text denoting table to which the coordinate refers, for instance "the input table"
    
    Returns:
    
    new RA parameter
  - createDecParameter
```
public static uk.ac.starlink.task.StringParameter createDecParameter(java.lang.String paramName,
                                                                     java.lang.String coordSys,
                                                                     java.lang.String tableDescrip)
```
    Utility method to create a parameter representing Declination.
    
    Parameters:
    
    paramName - parameter name
    
    coordSys - name of coordinate system, or null
    
    tableDescrip - text denoting table to which the coordinate refers, for instance "the input table"
    
    Returns:
    
    new declination parameter
  - guessRaDegreesExpression
```
public static java.lang.String guessRaDegreesExpression(uk.ac.starlink.table.StarTable inTable)
```
    Looks at table columns and makes a guess at a JEL expression which will give Right Ascension in degrees.
    
    Parameters:
    
    inTable - table
    
    Returns:
    
    expression for RA in degrees, or null if none can be found
  - guessDecDegreesExpression
```
public static java.lang.String guessDecDegreesExpression(uk.ac.starlink.table.StarTable inTable)
```
    Looks at table columns and makes a guess at a JEL expression which will give Declination in degrees.
    
    Parameters:
    
    inTable - table
    
    Returns:
    
    expression for Dec in degrees, or null if none can be found

Class SkyCoordParameter

Field Summary

Fields inherited from class uk.ac.starlink.task.Parameter

Constructor Summary

Method Summary

Methods inherited from class uk.ac.starlink.task.StringParameter

Methods inherited from class uk.ac.starlink.task.Parameter

Methods inherited from class java.lang.Object

Constructor Detail

SkyCoordParameter

Method Detail

createRaParameter

createDecParameter

guessRaDegreesExpression

guessDecDegreesExpression