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I can't access remote ascii data with DODS



Dear Ferret users,
I have installed the Ferret 5.53 with RetHat 7.3.
The Ferret can read local NetCDF file or read NetCDF file from DODS well.
 
It can also read local ascii file, the commands are shown below.
 
    yes? define axis/x=-5:4:1/unit=degree xlong
    yes? define axis/y=-5:4:1/unit=degree ylat
    yes? define grid/x=xlong/y=ylat gplants
    yse? file/var=v1/columns=10/grid=gplants asc.dat
    yse? contour v1
 
The ascii file is attached and the data contains one variable , two dimensions.    
 
Now, I want to read the ascii file with DODS.
The format file asc.fmt is attached.
The browser shows the DDS, DAS information using URL
good.
 
But the error message as following occured.
 
    yes? define axis/x=-5:4:1/unit=degree xlong
    yes? define axis/y=-5:4:1/unit=degree ylat
    yes? define grid/x=xlong/y=ylat gplants
    yse? file/var=v1/columns=10/grid=gplants "http://127.0.0.1/cgi-bin/nph-dods/asc.dat"
    yse? contour v1
    **TMAP ERR: non-existent or not on line
                              DATAFILE NOT FOUND
                              Data set: http://127.0.0.1/cgi-bin/nph-dods/asc.dat
                              Data file: http://127.0.0.1/cgi-bin/nph-dods/asc.dat
     yes?
   
Any suggestion for the problem? Thanks!

Attachment: asc.fmt
Description: Binary data

Attachment: asc.dat
Description: Binary data


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