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How to access metals which are connected to the metal I selected

Carlsberg

Hello：

I want to write a skill code to calculate the metal‘s resistance in layout. The tool I use is candace 5.14.

I want to make this come true in the skill code：when I select the metal in the top cellview , the skill code can

trace all the metals which are connected to the metal I selected. I can access to all the metals and vias’ properties.

These metals and vias are may not in the same cellView level.They are hierarchy.

So I can calculate the whole resistance of  whole path which connected to the metal I selected！

Thank  you very much！ 

  • NiallDuncan

    Hello,

    You could try using the dbGetTrueOverlaps() function. Then check the layer of each of the overlapping objects to see if they are connected to the object you have selected.

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