Parameters for output

• ahfinder::ahf_logfile
  By default no logfile for AHFinder is written. To obtain a log file one must set ahf_logfile = "yes".
• ahfinder::ahf_verbose
  if ahf_verbose = "yes" messages are printed to screen at the beginning and the end of the algorithm. This is the default.
• ahfinder::ahf_veryverbose
  if ahf_veryverbose = "yes" messages are also printed to screen during the iteration process. The default is "no".
• ahfinder::ahf_2Doutput (steerable)
  To get 2D output of grid functions use ahf_2Doutput = "yes" (default is "no"). The output is controlled be the thorn itself, not by cactus standard output.
• ahfinder::ahf_3Doutput (steerable)
  In future versions to get 3D output of grid functions use ahf_3Doutput = "yes" (default is "no").
• ahfinder::ahf_areamap
  To get an area map use ahf_areamap = "yes" (default is "no"). This is useful for looking at the behaviour of the area for surfaces close to the horizon.