determing layout orientation

Discussion in 'Cadence' started by danmc, Sep 26, 2006.

  1. danmc

    danmc Guest

    Is there a way either via skill or assura to determine the orientation
    of certain instances in a hierarchy?

    The trick is what I'd like to find out is, for example, the rotation of
    all resistors in a top level layout but there may be several layers of
    hierarchy in the way. For example

    I1 = top level
    I1/I2 has R90
    I1/I2/I3 has R90
    I1/I2/I3/R0 has R90

    so in the context of I1, the resistor R0 has R270 for the rotation.

    Do I just have to walk the hierarchy keeping track of rotations as I go
    or is there a simpler way? I don't mind using skill or assura.

    -Dan
     
    danmc, Sep 26, 2006
    #1
  2. danmc

    Bernd Fischer Guest

    Within SKILL you get the transform list with
    d_InstId~>transform

    Have a look at the functions
    dbConcatTransform
    geGetInstTransform
    they might help you to achieve what you want to do.

    Bernd
     
    Bernd Fischer, Sep 27, 2006
    #2
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