▁attributes ▁are ▁tag ged ▁util izing ▁the ▁international ▁Fe ature ▁and ▁Attribute ▁C oding ▁Catalogue ▁( F AC C ). ▁major ▁road ▁networks ▁rail road ▁networks ▁hydro logic ▁d rain age ▁systems ▁utility ▁networks ▁( cross - country ▁pip elines ▁and ▁communication ▁lines ) ▁major ▁air ports ▁elev ation ▁cont ours ▁coast lines ▁international ▁boundaries ▁populated ▁places ▁index ▁of ▁ge ographical ▁names ▁ ▁Level s ▁of ▁resolution ▁The ▁vector ▁map ▁product ▁are ▁usually ▁seen ▁as ▁being ▁of ▁three ▁different ▁types : ▁low ▁resolution ▁( level ▁ 0 ), ▁medium ▁resolution ▁( level ▁ 1 ) ▁and ▁high ▁resolution ▁( level ▁ 2 ). ▁ ▁Level ▁Zero ▁( V MAP 0 ) ▁Level ▁ 0 ▁provides ▁world wide ▁coverage ▁of ▁ge o - sp atial ▁data ▁and ▁is ▁equivalent ▁to ▁a ▁small ▁scale ▁( 1 : 1 , 0 0 0 , 0 0 0 ). ▁The ▁data ▁are ▁offered ▁either ▁on ▁CD - ROM ▁or ▁as ▁direct ▁download , ▁as ▁they ▁have ▁been ▁moved ▁to ▁the ▁public ▁domain . ▁Data ▁are ▁struct ured ▁following ▁the ▁Vector ▁Product ▁Format ▁( V PF ), ▁comp li ant ▁with ▁standards ▁M IL - V - 8 9 0 3 9 ▁and ▁M IL - ST D ▁ 2 4 0 7 ▁ ▁Data ▁sets ▁The ▁entire ▁coverage ▁has ▁been ▁divided ▁into ▁four ▁data ▁sets : ▁North ▁America ▁( NO AM ER ) ▁v 0 no a ▁Europe ▁and ▁North ▁Asia ▁( E URN AS IA ) ▁v 0 eur ▁South ▁America , ▁Africa , ▁and ▁Ant