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  3. How to get the coordinates of all instances in the layout...

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How to get the coordinates of all instances in the layout hierarchy ?

marbs
marbs over 11 years ago

 Hi All,

 I would like to ask , how to get the coordinates of all the instances in the layout

 hierarchy by using SKILL ? 

 I use IC616 .

 

 Best regards,

 Marben F. Orallo

 

 

 

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  • Andrew Beckett
    Andrew Beckett over 11 years ago

    Charley,

    Rather than writing it (I don't really have the bandwidth to do that today), I'll just give you some pointers:

    • You can iterate over cv~>mosaics to get all the mosaics and you can get the bBox of each.
    • If you have mosaics of cells which have hierarchy underneath, you may want to expand all the sub-instances to give you the effective coordinates of each sub-instance. That gets a bit more complicated, but you could use code similar to that in this recent post to handle all the transformations in a mosaic (the code there handles IC5141 and IC61 because mosaics are represented differently in CDB and OA). You could borrow the mosaic handling part and adapt the recursive call in that.

    Regards,

    Andrew.

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  • Andrew Beckett
    Andrew Beckett over 11 years ago

    Charley,

    Rather than writing it (I don't really have the bandwidth to do that today), I'll just give you some pointers:

    • You can iterate over cv~>mosaics to get all the mosaics and you can get the bBox of each.
    • If you have mosaics of cells which have hierarchy underneath, you may want to expand all the sub-instances to give you the effective coordinates of each sub-instance. That gets a bit more complicated, but you could use code similar to that in this recent post to handle all the transformations in a mosaic (the code there handles IC5141 and IC61 because mosaics are represented differently in CDB and OA). You could borrow the mosaic handling part and adapt the recursive call in that.

    Regards,

    Andrew.

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