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L4_LAT_ALT_DISP

L4_LAT_ALT_DISP

Name


L4_LAT_ALT_DISP

Purpose


  This routine displays one day of L4-formatted data at a time. This
  means you create an array however you want that is analagous to
  the L4 data, and then pass it to this procedure for display

Category


  SNOE, image

Calling Sequence


  L4_LAT_ALT_DISP, Data

Inputs


  DATA: An array, FLTARR( 37, 28 )
        This is the size of the DATA section of L4 (not bookkeepping)

Optional Inputs


  none

Keyword Parameters


  LV: The large value of the data [ !SNOE.f.l4_lv ]
  SV: The small value of the data [ lv / 20. ] used with /LOG only
  PS: Set this keyword to produce a POSTSCRIPT image
  LOG: Set this if the log of the data should be imaged
  MASK: Set this to mask out part of the data (PMCs)
  SUBTITLE: A subtitle (in the image) to display
  EXTRA=e is used for:
      IMDISP: (INTERP, OUT_POS, etc. )
      DEVICE: (FILENAME, BITS_PER_PIXEL, PORTRAIT, LANDSCAPE, etc. )
      others...

Outputs


  An image, or a PS file

Side Effects


  Uses the PS device if /PS set. Uses the current WINDOW

Restrictions


  Must be in a L4-type array (data, not bookkeeping)

Example


  To generate an image:
  L4_lat_alt_disp, data
  L4_lat_alt_disp, data, /LOG, /PS, /INTERP, FILENAME='foo.ps'
  DATA:
  openr, lun, 'NO_2_day_geo.dat', /GET
  data = assoc( lun, !SNOE.f.l4 )
  data = data[ 9 ] ; day 1998079
  data = data[ 0:36, 0:27 ] ; trim off bookkeepping

Modification History


  Written by: KDM; 2002-08-10
      2002-08-29; KDM; Fixed Altitude scale error. Made tickv
                        exact. Fixed title (cm^3, not cm-3).
                        Added PS. Now uses FILE_UNIQ()
     



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