param direct arrow fig messag south fig messag east fig messag west fig messag north set arrow direct rectangl bbox bound arrow direct direct arrow direct direct direct south xpoint ypoint polygon polygon polygon xpoint ypoint fig poli set polygon polygon east xpoint ypoint polygon polygon polygon xpoint ypoint fig poli set polygon polygon west xpoint ypoint polygon polygon polygon xpoint ypoint fig poli set polygon polygon north xpoint ypoint polygon polygon polygon xpoint ypoint fig poli set polygon polygon set bound bbox 