q sdfwrite
q sdfwrite
This command returns information on the status of the sdfwrite options:
- The name of the sdfwriteoutput file
- The format of the output file
  
 
- The output file's chunk dimensions, if the format is compressed. 
 
- The output undef value
- Any attributes that have been set by the user 
Usage Notes
This command is  available in GrADS v2.0.a3 or higher.
The command to create the self-describing  file is sdfwrite.
The command to set or change the self-describing output filename is set sdfwrite. 
The command to set attributes for the self-describing file is  set sdfattr. 
The reset command will reset the sdfwrite filename to the default and release all the attributes. To do this without resetting all the other user-specified options, use  the clear sdfwrite command.
Please see the documentation on compression for  more details.