Re: ncl 6.1.0 can not read OMI surface reflectance climatology data.

Hi Bruce,

Thanks for providing a pointer to the file. I have a filed a ticket on this problem. For your reference, the ticket is NCL-1571.

I had the same problem as you, but when I tried it as an "h5" file (by simplying appending ".h5" to the end of the file name), I got different results:

% ncl_filedump -c OMI-Aura_L3-OMLER_2005m01-2009m12_v003-2010m0503t063707.he5.h5
 Copyright (C) 1995-2012 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 6.1.0
 The use of this software is governed by a License Agreement.
 See http://www.ncl.ucar.edu/ for more details.

Variable: f
Type: file
filename: OMI-Aura_L3-OMLER_2005m01-2009m12_v003-2010m0503t063707.he5
path: OMI-Aura_L3-OMLER_2005m01-2009m12_v003-2010m0503t063707.he5
   file global attributes:
   dimensions:
      DIM_000 = 360
      DIM_001 = 720
      DIM_002 = 23
      DIM_003 = 12
   variables:
      group </HDFEOS>

      group </HDFEOS/ADDITIONAL>

      group </HDFEOS/ADDITIONAL/FILE_ATTRIBUTES>

         AbsorbingAerosolFilter : ( 0, 0 )
         AbsorbingAerosolName : D_RFG_RESIDUE_335_UV2_367_UV2
         Author : Quintus L. Kleipool
         Copyright : Copyright Royal Dutch Meteorological Institute (KNMI), 2010.
         DeltaOzoneSwath1 : D_RFG_342_UV2
         DeltaOzoneSwath2 : D_RFG_320_UV2
         GroundPixelQualityFlagFilter : 224
         InstrumentName : OMI
         JumpSwathNameUv2 : D_RFG_354_UV2
         JumpSwathNameVis : D_RFG_354_VIS
         MaximumSolarZenithAngle : 70
         MeasurementQualityFlagFilter : 15359
         MinimumReflectanceTargetSwath : D_RFG_494_VIS
         PGEVersion : 003
. . .
      float Latitude ( DIM_000 )
         Title : Latitude
         Units : degitude
         _FillValue : -1000

      float Longitude ( DIM_001 )
         Title : Longitude
         Units : deggitude
         _FillValue : -1000

      short MonthlyMinimumSurfaceReflectance ( DIM_003, DIM_002, DIM_000, DIM_001 )
         Offset : 0
         ScaleFactor : 0.001
         Title : Reflectance
         Units : No Unitsnce
         _FillValue : -32767

Hopefully you can use this as a work-around for now.

--Mary

On Nov 7, 2012, at 8:06 AM, zhifeng yang wrote:

> Hi
>
> Can you read the following .he5 file using ncl? I am using ncl 6.1.0
> to read it and also use ncl_filedump to open it. The error is as
> following
>
> [bruce@glory omi]$ ncl_filedump -c
> OMI-Aura_L3-OMLER_2005m01-2009m12_v003-2010m0503t063707.he5
> Copyright (C) 1995-2012 - All Rights Reserved
> University Corporation for Atmospheric Research
> NCAR Command Language Version 6.1.0
> The use of this software is governed by a License Agreement.
> See http://www.ncl.ucar.edu/ for more details.
> Segmentation fault
>
> You can download this data from the website below.
> http://mirador.gsfc.nasa.gov/cgi-bin/mirador/collectionlist.pl?keyword=omler
>
> Thank you
>
> Bruce
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Received on Wed Nov 7 09:05:40 2012