How to change from one layer to other layer

Hi Sailesh,

Since you managed to get the layer. it will be easy for you to replace the metal layers.

Example of changing a selected shapes from M1 to M2 on current cell view:

selected_obj = geGetSelectedSet()

foreach( obj selected_obj

    when( obj_id~>layerName == "M1"

        obj_id~>lpp = list("M2" "drawing")

    );when

);foreach

 This is just an example to show you a simple way in changing the layer. You may write a routine for this. Happy coding.

Regards,

How

if you want to replace all the M1 layers in the current cellview (Selected or unselected) then do this. 

;---------------------------------------------------------------------------------------------------------------------------------- 

 prog( ()

when(  geGetEditCellView()->mode == "r" println( "Need write access" ) return() );when

 foreach( shape geGetEditCellView()->shapes

    when( shape->layerName == "M1"   ; or shape->lpp == list( "M1" "drawing" )

        shape->lpp = list( "M2" "drawing" )  ; or shape->layerName = "M2"

    );when

);fch 

);prog 

 How about if we want to change all M1 shapes (Selected or not, level 0) can we do this.

setof(  X geGetEditCellView( )~>shapes  X~>lpp == list(  "M1"  "drawing" )  )~>lpp = list(  "M2"  "drawing"  )

You could, though it would be more efficient to find the matching lpp object first and then find its shapes, then iterate over those shapes to change the layer and purpose.  I don't have an example to hand, but it would be something like the following:

m1lpp = car(setof(lpp geGetEditCellView()~>lpps lpp~>layerName=="M1" && lpp~>purpose=="drawing"))

foreach(shape m1lpp~>shapes shape~>lpp=list("M2" "drawing"))

Typically the number of shapes to process is an order of magnitude or more greater than the number of distinct layer-purpose pairs, hence the probable efficiency gain. YMMV depending on the design of course.

Regards,

Lawrence.

I should point out that Andrew's response is even more efficient since my example shows the use of foreach to iterate over the shapes to change their lpp, where really you can have a list on the left-hand side of the = when using the ~> operator and update the lpp for all items in the list in one hit (as babji also showed in their post).

Regards,
Lawrence.

It is just another big loop.

You need a list: processed cellViews

Start of processing loop:

Change layers in the current cellView.

Save the cellView

Add its name to the list of processed cellViews.

You have to find all the instance masters in the current cellView (cvId~>instHeaders~>master)

Close the cellView (this minimizes the number of open cellViews)

for each master not in the list of processed cellViews

Open the master for append

Do the processing loop in the master

Keep processing the masters till all are done

End of processing loop

;;;;;;;;;;;;;;;;;;

From an architecture standpoint, the loop should be in a function and called recursively.

Or you could just use leReplace().

Regards,

Andrew.