NAME:
  dlooker
 PURPOSE:
  Visual identification and measurement of moving objects in digital images.
 DESCRIPTION:

  This program handles visually inspecting large digital images and permiting
     measuring positions of the tracklets and transients found.  The object
     data is collected in mysql tables.

 CATEGORY:
  Astrometry
 CALLING SEQUENCE:
  dlooker
 INPUTS:

 OPTIONAL INPUT PARAMETERS:

 KEYWORD INPUT PARAMETERS:

  PATH      - Optional path for root of image directory.
                default = /net/wixer/raid/buie/

  XSIZE     - x size, in pixels, of the main window (default=1070)

  YSIZE     - y size, in pixels, of the main window (default=820)

  ZXSIZE    - x size, in pixels, of the score window (default=148)

  ZYSIZE    - y size, in pixels, of the score window (default=296)

 OUTPUTS:

 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 PROCEDURE:

 RESTRICTIONS:

 MODIFICATION HISTORY:
  2012/01/01, Written by Marc W. Buie, Lowell Observatory,
                 cloned from looker.pro
  2012/03/10, MWB, added support for shift stacks
  2012/03/11, MWB, cleaned up tracklet plotting
                   added tracklet selection edit tool
                   fixed: zoom update after selecting object