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finding grey colored(uncolred) metals/vias in layout

Sampatcharu

Hi,

Can somebody share me a script to find all uncolored(grey color) metals/vias in layout for latest technology nodes.

same can be done through violation check under multipatterning tool bar. But is taking more time for bigger layouts.

So can some please help me.

Thanks in Advance.

  • malcolm70

    Hello, you need to find out what specific string your environment uses to reference the uncolored condition versus what string is used for other color situations, the cadence help documentation references the grey color default is "noShift" but you may be some other string like "grey".  You can probably get your via color with dbGetViaCutLayerControl() and change the color with dbSetViaCutLayerControl().  Good luck.

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