problem adding grids in gdedit

[Case.Jon]

Dear Gembud,
 
I apologize for my premature post.  It turns out that my shell substitutions were flawed and I had extra data entries in many rows.  I fixed that problem and now gdedit is working.
 
Best regards,
Jonathan

	-----Original Message----- 
	From: Case.Jon 
	Sent: Fri 9/8/2006 8:28 AM 
	To: gembud at unidata.ucar.edu 
	Cc: 
	Subject: problem adding grids in gdedit
	
	
	Dear gembud,
	 
	I recently tried to add a grid to an existing GEMPAK file using gdedit, but I receive the following error:
	blinky:/projects/proto/WRF/EMS/wrf/runs/CONUS/wrfpost/gempak > gdedit
	 GDEFIL    Grid edit file                   gdedit_cbas.fil
	 GDFILE    Grid file                         200608172100_nmm_pres12km.grd
	 GPACK     Packing type/number of bits        
	 Parameters requested: GDEFIL,GDFILE,GPACK.
	 GEMPAK-GDEDIT>r
	 [GDEDIT -6]  Error reading grid data.
	 Parameters requested: GDEFIL,GDFILE,GPACK.
	 GEMPAK-GDEDIT>e
	
	A little background:
	Using the existing GEMPAK file listed above, I ran gdlist to create an output of an entire grid (601x371).
	This grid contains negative values that I want to set to missing (-9999.00), so I substituted the negative values using shell commands, preserving the row and column orientation, and wrote the data to a file called "gdedit_cbas.fil".  When I tried to add the new grid to the same GEMPAK grid file, I got the error above.  
	I have ensured that the file has the same # of entries and rows as the actual grid file.
	 
	FYI, the header of "gdedit_cbas.fil" is as follows:
	 
	 Grid file: 200608172100_nmm_pres12km.grd                                       
	 GRID IDENTIFIER: 
	    TIME1             TIME2         LEVL1 LEVL2   VCORD PARM
	060817/2100F012                         0                   NONE   CBAS        
	 AREA: DSET                                                GRID SIZE:   601  371
	 COLUMNS:     1  601     ROWS:     1  371
	 Scale factor: 10** 0

	 COLUMN:      1        2        3        4        5        6        7        8
	(etc, etc, etc)
	 
	Your feedback & assistance is greatly appreciated!
	Regards,
	Jonathan Case
	 


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