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

Question

I am newcomer for Cadence Skill language and I am learning on how to develop programing to check what I want in Cadence Allegro. 
 Now I want to check if the height of bottom components are more than 4mm and highlight them if existed. But I don't know where to start. Does anybody have the experience to write the Skill?

JCTEYSSIER0 · Answer

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.

Hoangkhoipcb · Answer

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.

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

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