Sdss (Starjava TOPCAT API)

java.lang.Object
- uk.ac.starlink.topcat.func.Sdss

```
public class Sdss
extends java.lang.Object
```
Specialist display functions for use with the Sloane Digital Sky Server.

Since:

25 Aug 2004

Author:

Mark Taylor (Starlink)

Field Summary

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`SDSS_BASE_URL`	Base URL for SkyServer JPEG retrieval service.
`static java.lang.String`	`SDSS_DR2_BASE_URL`	Base URL for SkyServer JPEG retrieval service, DR2.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static java.lang.String`	`sdssShowCutout(double ra, double dec)`	Displays a colour cutout image of a default size from the SDSS around a given sky position.
`static java.lang.String`	`sdssShowCutout(double ra, double dec, int pixels, double scale)`	Displays a colour cutout image of a specified size from the SDSS around a given sky position with pixels of a given size.
`static java.lang.String`	`sdssShowCutout(java.lang.String label, double ra, double dec, int pixels)`	Displays a colour cutout image of a specified size from the SDSS around a given sky position.

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

- Field Detail
  - SDSS_DR2_BASE_URL
```
public static final java.lang.String SDSS_DR2_BASE_URL
```
    Base URL for SkyServer JPEG retrieval service, DR2.
    
    See Also:
    
    Constant Field Values
  - SDSS_BASE_URL
```
public static final java.lang.String SDSS_BASE_URL
```
    Base URL for SkyServer JPEG retrieval service.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - sdssShowCutout
```
public static java.lang.String sdssShowCutout(java.lang.String label,
                                              double ra,
                                              double dec,
                                              int pixels)
```
    Displays a colour cutout image of a specified size from the SDSS around a given sky position. The displayed image is square, a given number of (0.4arcsec) pixels on each side.
    
    Parameters:
    
    label - label for display window
    
    ra - Right Ascension in degrees
    
    dec - Declination in degrees
    
    pixels - size of displayed image in SDSS pixels
    
    Returns:
    
    short log message
  - sdssShowCutout
```
public static java.lang.String sdssShowCutout(double ra,
                                              double dec,
                                              int pixels,
                                              double scale)
```
    Displays a colour cutout image of a specified size from the SDSS around a given sky position with pixels of a given size. Pixels are square, and their size on the sky is specified by the scale argument. The displayed image has pixels pixels along each side.
    
    Parameters:
    
    ra - Right Ascension in degrees
    
    dec - Declination in degrees
    
    pixels - size of displayed image in SDSS pixels
    
    scale - pixel size in arcseconds
    
    Returns:
    
    short log message
  - sdssShowCutout
```
public static java.lang.String sdssShowCutout(double ra,
                                              double dec)
```
    Displays a colour cutout image of a default size from the SDSS around a given sky position. The displayed image is 128 pixels square - a pixel is 0.4arcsec.
    
    Parameters:
    
    ra - Right Ascension in degrees
    
    dec - Declination in degrees
    
    Returns:
    
    short log message

Class Sdss

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SDSS_DR2_BASE_URL

SDSS_BASE_URL

Method Detail

sdssShowCutout

sdssShowCutout

sdssShowCutout