Revision History

This page summarizes the changes, enhancements and fixes to the GDSII & OASIS Hierarchical Extractor.

v2.06 [01/20/2012]

The new version fixes a bug related to processing on OASIS arrays. This version is capable of extracting all types of OASIS arrays and retains the AREF property in the output GDSII whenever possible.

v2.05 [08/16/2011]

The new HExtract takes advantage of 'traversal pruning' optimization to achieve upto 25x* performance improvement.

v2.03 [03/28/2011]

Corrected a memory leak that caused the program to crash when large files were clipped with a round boundary. [reported by Martin Photomask]

v1.04 [06/7/2010]

Added support for extracting data from memory maps (load and dbload).

Support for filtering cells based on names or expressions - look at the Examples page for more information.

New Load and DbLoad Cache generator utility (gds2qckcache) included in the package.

Added option to load file to memory for faster performance (applicable only to OASIS, GDSII or QIS DbLoad Memory map/Cache)

v1.02 [01/26/2010]

Added -regions command-line option for extracting multiple overlapping/disjoint windows with(out) hierarchy to the same output GDSII file.

Added -complement command-line option for extracting complement of -window or -regions with(out) hierarchy.

Added -flatten command-line option for generating flat output.

v1.01 [09/28/2009]

GDSII&OASIS Hierarchy Extractor first release as standalone command line tool.