Allow using expansion from session file in FieldConvert
This creates an option for using the expansion defined in the xml file in FC when also passing an fld input file. This can be used, for example, to obtain a 3DH1D representation of a 2D field.
This creates an option for using the expansion defined in the xml file in FC when also passing an fld input file. This can be used, for example, to obtain a 3DH1D representation of a 2D field.