creat nari associ diamond shape fig node diagram param model element model element fig node repres param bound posit size diamond node param set diagram set present fig node diamond repres model element fig node creat nari associ node object model element rectangl bound diagram set set fig node associ diamond fig fig node associ model element bound set model facad associ model element bound fig associ box fig fig associ model element bound set fig edg associ dash edg fig fig edg associ box fig diamond fig set box fig render chang todo isn calcul locat work point locat bound locat locat locat diamond fig height locat locat box fig set locat locat add diamond fig add box fig add dash edg fig diamond fig 