Package uk.ac.starlink.topcat.func

Class Sdss

java.lang.Object
uk.ac.starlink.topcat.func.Sdss
public class Sdss extends Object
Specialist display functions for use with the Sloan Digital Sky Server.
Since:
25 Aug 2004
Author:
Mark Taylor (Starlink)

  • Field Summary

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

  • Method Summary

    Modifier and Type
    Method
    Description
    static String
    sdssShowCutout(double ra, double dec)
    Displays a colour cutout image of a default size from the SDSS around a given sky position.
    static 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 String
    sdssShowCutout(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 Details

    • SDSS_DR2_BASE_URL

      public static final String SDSS_DR2_BASE_URL
      Base URL for SkyServer JPEG retrieval service, DR2.
      See Also:

    • SDSS_BASE_URL

      public static final String SDSS_BASE_URL
      Base URL for SkyServer JPEG retrieval service.
      See Also:

  • Method Details

    • sdssShowCutout

      public static String sdssShowCutout(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 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 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