Generate Layout hierarchy, ignoring existing layouts of subcells.

'lxGenFromSource' accepts a lib/cell/view arguments so you can specify it that way....

lxGenFromSource(
d_schCellViewID
[ ?layLibName t_layLibName ]
[ ?layCellName t_layCellName ]
[ ?layViewName t_layViewName ]
[ ?configLib t_configLib ]
[ ?configCell t_configCell ...........

So I do use the lib/cell/view fields to define where to generate the layout cells in, but if a layout cell exists in my schematic library (which is not where I've specified the layout to be generated) it will still pull it from the schematic library and instantiate it. 

That would be my expectation.

That would be my expectation.

I would think there is somewhere I can add an "ignore" library list to my settings, such that it won't look in that list of libs for layout cells. My temporary fix is to copy the schematics hierarchically into a new library (minux layouts) and then run, but that obviously is a pain each time.

Apologies, I think I might have misunderstood the previous statement. Are you suggesting you specify lib/cell/view and it is ignored?

e.g. You have schematic design 'myLib aCell schematic'. You call

lxGenFromSource(
dbOpenCellViewByType("myLib" "aCell" "schematic")

?layLibName "myLayoutLib"

?layCellName "aLayoutCell"

?layViewName "layout" 

)

But the cell 'myLib aCell layout' is created?

Correct. I set "cv" equal to my current schematic library (which has existing layout views), and then pass that into the lxGenFromSource function. In that function I specify a layoutLibName, layoutCellName, and layoutViewName which are different than the schematic library. 

cv = dbOpenCellViewByType(schLibName schCellName "schematic" "schematic" "w")



;CADENCE FUNCTION FOR DOING GEN FROM SOURCE
lxGenFromSource(cv
?layLibName layoutLibName ;LAYOUT LIB NAME
?layCellName layoutCellName ;LAYOUT CELL NAME
?layViewName layoutViewName ;LAYOUT VIEW NAME
?initDoStacking "t" ;AUTO ABUT MOS INTO CHAIN
?initCreateInstances t ;GEN ALL INSTANCES IN SCH W/O IGNORE PROP
?lxGenerateInBoundary t ;GEN INSIDE BOUNDARY SHAPE
;?lxPositionMinSep deviceSep
?initAreaSource1 "Utilization"
?initAreaSource1Val 100.0
?initAreaSource2 "AspectRatio"
?initAreaSource2Val 1.0
;?extractAfterGenerateAll nil
;?extractSchematic nil
);end lxGenFromSource

I assume you are quoting (string) the layoutLibName, layoutCellName & layoutViewName).

This works. Creating a new layout view 'layoutLibName layoutCellName layoutViewName'

If it's not working for you I suggest you connect customer support. There's probably some subtle mistake somewhere.