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).
Read more about Vector Map: Debate About Availability of Data, Tools To Read and Convert VMAP Data, History
Famous quotes containing the word map:
“Unless, governor, teacher inspector, visitor,
This map becomes their window and these windows
That open on their lives like crouching tombs
Break, O break open,”
—Stephen Spender (1909–1995)