Name

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L4_LAT_ALT_DISP

Purpose

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  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

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  SNOE, image

Calling Sequence

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  L4_LAT_ALT_DISP, Data

Inputs

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

Optional Inputs

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  none

Keyword Parameters

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  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

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  An image, or a PS file

Side Effects

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

Restrictions

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

Example

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  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

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  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()