Scale factor and offset problem

[Didier Earith]

Hi all,

I have a problem with scale factor and offset when I use th netcdf java API 
(v2.2.20).

I have to extract netcdf variables with scale_factor and offset attributes 
and write the results as another netcdf file.

The NetcdfDataset class automatically deals with scale_factor and offset 
attributes when it opens dataset, and that's right (but it removed 
scale_factor and add_offset attributes)

But when I want to write variables into another netcdf file, I need to have 
the data type, the scale factor and offset values of the original variables 
to packed data again.

The VariableDS class provides a public getOriginalDatatype API, that's OK.
But scale factor and offset attribute of the VariableDS class are private 
and there is no API get them.

I saw the getOriginalVariable in the VariableDS class which return the 
original variable with the scale_factor and add_offset attributes. But 
unfortunately, this API is not visible (private) :

  ucar.nc2.Variable getOriginalVariable() {
     return orgVar; // proxy.getOriginalVariable();
   }

So, how can I get the scale factor and offset values with netcdf java API 
to pack again the variables.

Didier.