Vector model for navigation with GPS of settlements and transport network of Bulgaria.
The digital maps for navigation contain following objects: address layer - points with attribute information about address number, street layer - lines with attribute information about street name, building layer - polygons with information about building. Public and other significant buildings are separate in diferent layer.The model supports other graphics layers - lines, parkings, green area, water stream and water area, residential area and municipality. The transport network of Bulgaria contains one layer with attribute information about road class and have possibility to find best routes.