Element to Deco

function deco(safe)
    tpt.start_getPartIndex()
     while tpt.next_getPartIndex() do
        local index = tpt.getPartIndex()
            if tpt.get_property("dcolour",index) == 0 then
                tpt.set_property("dcolour",elements.property(tpt.get_property("type",index),"Color"),index)
            end
            if convert ~= true then
                tpt.set_property("type",elem.DEFAULT_PT_DMND,index)
            end
     end
end