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How to draw the bottom level instance layers in the present level

Muralidhar

Hi,

I am writing a program to get the overlapping area of the different layers. I wrote for the layers present in the heirarchy level successfully. But the problem is when there is an instance, for example I instanced a pcell in the layout and I drawn a rectangle of M1 over it now I need the overlapping area of M1 and the poly which is present in pcell.

Can any one please help me how to draw the bottom level layers in the present level ? Can we done it using "dbHierPathTransform()" commands

Thanks.

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  • Andrew Beckett

    The code in Solution 11328674 would help. As an alternative if you're using IC617 ISR5 or later (I would be wary using these new functions in an earlier version because there were some incompatible changes made in that hotfix release to fix some earlier errors since they were introduced in IC617), there are the new "abeLayer" functions (e.g. abeLayerAnd) which handle hierarchy. Note that whilst these are named a lot like my functions (I use the prefix "ab"), they are actually for the "advanced boolean engine".

    Regards,

    Andrew.

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  • Andrew Beckett

    The code in Solution 11328674 would help. As an alternative if you're using IC617 ISR5 or later (I would be wary using these new functions in an earlier version because there were some incompatible changes made in that hotfix release to fix some earlier errors since they were introduced in IC617), there are the new "abeLayer" functions (e.g. abeLayerAnd) which handle hierarchy. Note that whilst these are named a lot like my functions (I use the prefix "ab"), they are actually for the "advanced boolean engine".

    Regards,

    Andrew.

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