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[netcdf-java] Creating Gridded Opendap data

Hello,
I am developing a new IOSP for reading coverage data from a rasdaman server and 
I noticed that in the opendap query dataset form of the THREDDS data server, 
when I am asked to input the range for data of the type Grid, the default 
option is 0:1:0 instead of the full range as with other variables.
Is this intended? I poked around and I found this query form that has the same 
issue:
http://oos.soest.hawaii.edu/thredds/dodsC/pacioos/hycom/global.html

If it is not intended, how can I make it display the full range?
Here is my data structure so far:

Dataset {
    Float64 Lat[Lat = 886];
    Float64 Long[Long = 711];
    Grid {
     ARRAY:
        Int32 pixel_value[Lat = 886][Long = 711];
     MAPS:
        Float64 Lat[Lat = 886];
        Float64 Long[Long = 711];
    } pixel_value;
}

Thanks in advance,
Jana