how to write 3 i/p AND gate in skill code

You'd just need to call leLayerAnd twice:

leLayerAnd(cv layer1 layer2 tmpLayer)
leLayerAnd(cv tmpLayer layer3 resultLayer)

And then you'll probably want to delete all the shapes on your temporary working layer. Often using layers such as y0-y9 are used for this kind of thing. It would be easy enough to write a wrapper around the leLayerAnd function which allowed you to do it for 3 layers (or even as many as you like, by breaking it down into pairwise steps and cleaning up the intermediate working layers as you go).

Andrew.

 thanks andrew,

It's working now with all your help. Now iam trying to develop a skill code for fill the free space in my layout with substrate contacts. substrate tap consists of PWELL,PIMP,DIFF,METAL1,M1_DIFF contact. these layers are filled in layout  where there is no layers except prboundary. my code is

cv = geGetWindowCellView()
geSelectAllFig()
;for filling pwell where  nwell,metal1,poly,diff doesnot has.
leLayerOr( cv list("DIFF" "drawing") list("MET1" "drawing") list("y0" "drawing"))
leLayerOr( cv list("y0" "drawing") list("POLYG" "drawing") list("y1" "drawing"))
leLayerOr( cv list("y1" "drawing") list("SDNW" "drawing") list("y2" "drawing"))
leLayerAndNot( cv list("prBoundary" "drawing") list("y2" "drawing") list("SDPW" "drawing"))
leLayerAndNot( cv list("prBoundary" "drawing") list("y2" "drawing") list("y3" "drawing"))

;for pdiff in pwell
leLayerSize( cv list("y3" "drawing")  -.12  list("PIMP" "drawing"))
leLayerSize( cv list("y3" "drawing")  -.2  list("DIFF" "drawing"))
leLayerSize( cv list("y3" "drawing")  -.2  list("MET1" "drawing"))

;for deleting y0,y1,y2,y3 layers
geDeselectAllFig()
leSetEntryLayer( list("y0" "drawing"))
leSetAllLayerVisible(nil)
leSetEntryLayer( list("y1" "drawing"))
leSetEntryLayer( list("y2" "drawing"))
leSetEntryLayer( list("y3" "drawing"))
geSelectAllFig()
leHiDelete()
leSetAllLayerVisible(t)

i inserted pimp, diff, metal layers in free space. but i dont know how to get contacts on metal1 and diff. so please help me to do it. iam on cadence virtuoso 5.1 version

 thanks

venu

 When I leLayerAnd together two layers when one of them are at a 45 degree you get a shape with a 45 degree. How can i modifiy the code to output only rectangles? The 45 degree shapes get cut off.

 y9Layer = leLayerAnd(cid firstMetName secondMetName list("y9" "drawing"))

Thanks,

Roger

Roger,

How about this:

tiledShapes=dbLayerTile(cid "y9" y9Layer)
tiledShapes=setof(shape tiledShapes
  if(shape~>objType=="rect" then
    t
  else
    dbDeleteObject(shape)
    nil
  )
)
foreach(shape y9Layer dbDeleteObject(shape))
y9Layer=dbLayerOr(cid "y9" tiledShapes)
foreach(shape tiledShapes dbDeleteObject(shape))

y9Layer will now contain a list of anded shapes, but with the 45-degree bits chopped off. Not sure if that's quite what you want? This works by tiling the shapes and then deleting any tiled shape that is not a rectangle. and then merging them all back together again.

Regards,

Andrew.

 Thanks, Andrew - That worked great.

Roger