Re: (no subject)

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---
The files are HDF-EOS.
filename:       MOD16A2.A2000M12.h00v08.105.2013119143851
path:   MOD16A2.A2000M12.h00v08.105.2013119143851.hdf
    file global attributes:
       HDFEOSVersion : HDFEOS_V2.16   <++++++++++++++++++++++++++++++
       StructMetadata_0 : GROUP=SwathStructure
END_GROUP=SwathStructure
GROUP=GridStructure
         GROUP=GRID_1
                 GridName="MOD_Grid_MOD16A2"
                 XDim=1200
                 YDim=1200
                 UpperLeftPointMtrs=(-20015109.354000,1111950.519667)
                 LowerRightMtrs=(-18903158.834333,0.000000)
                 Projection=GCTP_SNSOID
                 ProjParams=(6371007.181000,0,0,0,0,0,0,0,0,0,0,0,0)
[SNIP]
===========================================
Add a he2 extension. NCL reports the lat and lon
%> ncl_filedump MOD16A2.A2000M12.h00v08.105.2013119143851.hdf.he2 | less
Copyright (C) 1995-2013 - All Rights Reserved
  University Corporation for Atmospheric Research
  NCAR Command Language Version 6.1.2
  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:       MOD16A2.A2000M12.h00v08.105.2013119143851.hdf
path:   MOD16A2.A2000M12.h00v08.105.2013119143851.hdf
    file global attributes:
    dimensions:
       YDim_MOD_Grid_MOD16A2 = 1200
       XDim_MOD_Grid_MOD16A2 = 1200
    variables:
       double GridLat_MOD_Grid_MOD16A2 ( YDim_MOD_Grid_MOD16A2, 
XDim_MOD_Grid_MOD16A2 )
          projection :   Sinusoidal
          corners :      ( 9.995833332438675, 9.995833332438675, 
0.004166666666293064, 0.004166666666293064 )
          long_name :    latitude
          units :        degrees_north
       double GridLon_MOD_Grid_MOD16A2 ( YDim_MOD_Grid_MOD16A2, 
XDim_MOD_Grid_MOD16A2 )
          projection :   Sinusoidal
          corners :      ( 177.2297839752788, -172.6245418649626, 
-170.00416710093, -179.9958337931229 )
          long_name :    longitude
          units :        degrees_east
On 4/15/14, 9:11 PM, Lisi Pei wrote:
> Hello there,
>
> I am trying to regrid the MOD16 ET data (http://www.ntsg.umt.edu/modis)
> into the rectilinear format. In order to do this I need the lat and lon
> from the source datasets. But somehow the source data doesn't have the lat
> and lon in degrees, but is a projected geo frame, with four corner points
> specified with both lat and lon and in meters and the resolution provided
> in 1km. In this way, is there anybody know how to generate the lat and lon
> from this coordinate system? Attached is the ncl_filedump for the source
> mod16 ET datasets(it is really too long to paste here).
>
> Thank you in advance for any possible help.
>
> Best,
> Lisi
>
>
>
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