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reading NetCDF output files from GMT

Hi all,

I've been playing with generic mapping tools (GMT) trying to create a
gridded bathymetic data set.  I've had partial success, but cannot read
the new grid into ferret.  GMT outputs data in a NetCDF format which I
thought was self-descriptive, but ferret doesn't seems to be getting
enought information about the grid.  

Has anyone been able to read NetCDF files output from GMT into ferret? 
Alternatively, is there a way to define the grid before I 'use' the
NetCDF file, like I would do to read in an ASCII file.

Here's the error message I get:

yes? use data.grd
yes? sho data
     currently SET data sets:
    1> ./data.grd  (default)
 name     title                             I         J        
K         L
 X_RANGE                                   1:2       1:1       1:1      
 Y_RANGE                                   1:2       1:1       1:1      
 Z_RANGE                                   1:2       1:1       1:1      
 SPACING                                   1:2       1:1       1:1      
                                           1:2       1:1       1:1      
 Z        surface                          1:1519    1:1       1:1      
yes? list Z
 **ERROR: dimensions improperly specified: Z

Thanks in advance,

Elizabeth L. Dobbins
Research Scientist
phone: (206) 526-4581

"Keeping your eyelids closed, turn your face towards the sun
 or lamp, and move your head slowly from side to side, up and
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