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flight lines disappear on closing the Virtuoso layout

navan

Hi i am working on Virtuoso Tool(custom design IC)  from a month and now working on some project..My problem is since Layout of some schematics take more than one day to complete .so when i am closing the software (even that specific layout only) and then reopen it the flight lines disappear and it becomes next to impossible for me to complete it and have to regenerate it ....

Is there any solution for it  ? 

Please reply.. 

  • Hi,

    A bit vague, so I'll do my best to help.  I assume that you are using VXL or VLS-XL (depending on which version you are using), so you will need to either Show/Hide Incomplete nets (the flightlines for the incomplete nets) or use the Annotation Browser to display flight lines for incomplete routing sections - the latter would be for the IC61x releases (and ICADV 12.1) but you may be using the older IC5141 release.

    Hope it helps!

    Lawrence.

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