vdsmaker

*Master Side of the recipe *

class lofarpipe.recipes.master.vdsmaker.vdsmaker

Generate a GVDS file (and, optionally, individual VDS files per subband; see the unlink input parameter) describing a collection of MeasurementSets.

1. Load data from disk, create the output vds paths
2. Call the vdsmaker node script to generate the vds files
3. Combine the vds files in a gvds file (master side operation)

Command line arguments

A mapfile describing the measurementsets to be processed.

Recipe inputs

Parameters:

• combinevds – (ExecField) Full path to combinevds executable (ExecField)
• directory – (DirectoryField) Directory for output GVDS file (DirectoryField)
• gvds – (StringField) File name for output GVDS file (StringField)
• makevds – (ExecField) Full path to makevds executable (ExecField)
• nproc – (IntField) Maximum number of simultaneous processes per compute node (IntField)
• unlink – (BoolField) Unlink VDS files after combining (BoolField)

Recipe outputs (job.results[parameter])

Parameters:gvds – (FileField) (FileField)

go()

Contains functionality of the vdsmaker

*Node Side of the recipe*

class lofarpipe.recipes.nodes.vdsmaker.vdsmaker(job_id, host, port)

Make a VDS file for the input MS in a specificed location.

1. Call the vdsmake executable with supplied arguments
2. Perform some error checking and validation