Propagation of Picture and Neutral Format Files

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Updates and Synchronisation : Propagation of Picture and Neutral Format Files

Propagation of Picture and Neutral Format Files

Picture and Neutral Format files are propagated the same time that a Database is propagated. If the Daemon finds that a Database has been modified at its primary location it will query the Picture directory (referenced by variable %ABCPIC% in the case of a PADD database), and the Neutral Format directory (referenced by variable %ABCDIA% in the case of a SCHE database) at both locations to work out any changes. New and missing files will be copied from the Primary Location to all Secondary Locations.

Note:

The picture file will not be deleted if it is also used by another extract of the database.

The picture-file will ONLY be deleted if it is owned by the same extract as the current extract. This may result in picture-files which have been created by other extracts in being retained. This is to avoid the situation where a picture-file which is still in use in another extract is deleted. The command PURGE DB <dbname> may be used to purge unused picture-files.

If the Database is found to be the same at both locations, then it is considered not to require Propagation, and the Picture and Neutral Format File directories are not compared. Therefore if there is a genuine mis-match in the file directories this will not be resolved.

By Default Picture and Neutral Format File Propagation is Disabled (non-propagating), it is possible to enable the Propagation of these files by ticking the check box on the Modify/Create dB window, as below. This will allow Picture and Neutral Format files to be propagated to any other location.

If this is done it is possible to regenerate all Picture and Neutral Format Files at the satellite, even though the Database is secondary.

For Picture and Neutral Format Files to be successfully propagated the environment variables %ABCPIC% and %ABCDIA% must be set in the Daemon kick-off script.

Note:

Global limits the number of picture files that can be propagated per database. Because of this, the user should not create more than 500 pictures or Neutral Format Diagrams per DRAW database. This generally means limiting the number of SHEE and OVER elements; if necessary, create extra DRAW databases to allow more pictures to be created.

Marine Drawings files are always propagated, even if Picture/Neutral Format File Propagation is disabled.

For Marine there are drawings in the ASSI, ASSP, BACK, BTEM, CPAR, MARK, NPLD, NSKE, PDB, PICT, PINJ, PLIS, PLJI, PPAR, PRSK, RECE, SETT, STD and WCOG directories.

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