How to use Allegro Skill language to check if the height of bottom components are more than 4mm and highlight them

Hi BZ,
You can refer to the code below.

axlCmdRegister("find_height_symbol" 'find_height_symbol)
(defun find_height_symbol ()
    (let ()
        convert_design_unit = axlMKSConvert(4 "MM" car(axlDBGetDesignUnits()))
        foreach(shape axlDBGetShapes("PACKAGE GEOMETRY/PLACE_BOUND_BOTTOM")
            sym = shape->parent
            if(sym != nil then
                pro = car(setof(e axlDBGetProperties(shape) get_string(car(e)) =="PACKAGE_HEIGHT_MAX"))
                if(pro != nil then
                    if(atof(cadr(pro)) > convert_design_unit then
                        axlHighlightObject(sym)
                    )
                ) 
            )
        )
    )
)

BR
HoangKhoi.

Thank you Hoanghoi!

I will verify if the code is workable in Cadence. 

Why not just add a package keepout bottom side starting at 4mm heiht?

You will get drc if bottom component is heigher

Good question. But we have a lot of components in our library. If we will add package keepout, it is very huge workload for us. also, lib team is not part of us. So we prefer to develop skill script to cover this check.

The keepout is not to be included in library but in the brd using the components.

If component have a correct place boundary defined (with height) then the place keepout is to be defined at pcb (brd) level.

Place boundary (so in package) represent solid volume. Two volumes cannot intersect

Package keepout represents area where these volumes are prohibited.