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Cell view in encounter shifted

diablo

I have a Open Access(OA) design flow for encounter instead of LEF flow. All the standard cells, io cells are read in as an OA.

In layer control, physical view options in Encounter 9.12, when i select Cell blockage or Instance Pin, they are aligned perfectly. However, when i select Cell Layout, the layout view shown in encounter is shifted. The VDD/VSS rail no longer align with core row VDD/VSS. Howeve, if i verify geometry or connectivity, i dont see any error. This makes me conclude, it is just the encounter representation error and not actual design error. 

I have checked the origin for these standard cells layout, they are ok. If i opened this design in Virtuoso, i don't have this issue.

Pls provide suggestion where to look for to solve this issue.  

Thanks for your time.

Regards, 

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