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How to change default schematic symbol colors

Sutlieff

Excuse me if this has been asked before but I couldn't find anything.

We have a pdk from a foundry where all the schematic symbols have the default green color.

We would like to change the color of certain symbols.

E.g, for high voltage p-cell transistors we would like the symbols to be colored purple, others, orange etc.

Is there a way to do this?

P.S we don't want to change the color based on  instances in a schematic. We want to change the color of the cell master.

Colin

  • Hi Colin,

    You can change the symbol graphics to be on a different layer-purpose pair. In the symbol editor, select the shapes and then use geQuerySelSet() and you can change it to another LPP which has a different colour.

    You can't do this for some objects in a symbol (e.g. I think the pins have to remain on pin/drawing and the extent has to be on instance/drawing (the selection box)), but the graphical shapes do not have to be on device/drawing - it's just that the symbol editor doesn't normally give you the choice. The normal property editor doesn't offer you the choice to change the layer, but the old-school geQuerySelSet() does (of course, you can change the lpp using SKILL too).

    Cheers,

    Andrew

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