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Is tech.db a must if I want to create a tool that scans an existing layout created by Virtuoso Layout

Sahar Afara

 Hi,

I am creating a tool that scans existing layout files created by Cadence 6.1.5 Virtuoso Layout to read the layout in OpenAccess. Is it a must that I have the tech.db file in order to run any application built with OpenAccess APIs ?

Parents

  • lib.defs is the OpenAccess standard way of describing where libraries are. It is based on the syntax of cds.lib, but only a subset of cds.lib syntax is supported. Cadence tried for some time to keep the two in sync, but nowadays we only read the cds.lib (via a special OA plugin that can also be used in other applications; this is covered in the documentation). It's possible to generate a lib.defs from cds.lib using the library path editor (both graphically and from the command line - see "cdsLibEditor -help") if you want to use an OA executable without using the cds.lib plugin.

    Regards,

    Andrew.

Reply

  • lib.defs is the OpenAccess standard way of describing where libraries are. It is based on the syntax of cds.lib, but only a subset of cds.lib syntax is supported. Cadence tried for some time to keep the two in sync, but nowadays we only read the cds.lib (via a special OA plugin that can also be used in other applications; this is covered in the documentation). It's possible to generate a lib.defs from cds.lib using the library path editor (both graphically and from the command line - see "cdsLibEditor -help") if you want to use an OA executable without using the cds.lib plugin.

    Regards,

    Andrew.

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