func init
	// points init
	for(k = 0; k < this.numvars; k++)
		pname = this.pt_var(k).name
		method(pname)
			return(d(cgt.get_func_name()))
		end
	end
	// init unlinked elements
	sdk = this.child
	sdk.initall()
end

func doWork(data, index)
	event(index, data)
end