The Optimization Of Snapshot Files While Using The Track Drawing Changes Functionality In NX
Keywords:
Snapshot, QAF, Active drawingAbstract
In the current scenario the design of machines is becoming very complex. So, identifying any changes that are made during the various revisions of the designing process is very difficult. To track such changes in drawing the track drawing changes functionality is developed in NX. This functionality helps us to compare different part revisions and track basic, reference and dimension changes with other revisions of same part. While tracking the drawing changes a snapshot of the file is created. As these snapshots are huge in size, so it consumes a lot of space on hard disk to store the data. These snapshots include the part file data along with the additional metadata such as version, encoding, modified time and date. So, it is important for this metadata to be compressed while storing the snapshot as increased storage space in the system is causing performance issues. In this paper we will look at the ways in which the snapshot file can be compressed in track drawing changes functionality so as to improve the overall performance.
References
P. Yellamma and Dr. Narasimham Challa, “Performance Analysis of Different Data Compression Techniques,” International Journal of Engineering Research & Technology, Vol. 1, October 2012.
https://github.com/jtkukunas/zlib.
DEFLATE Compressed Data Format Specification - RFC1951: http://www.faqs.org/rfcs/rfc1951.html.
James T. Kukunas and Vinodh Gopal, “High Performance ZLIB Compression,” White Paper, April 2014.
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