Patent ID: 8538689
Filing Date: 2013-09-17
Classification: G01C,G09B

Abstract:
1. A non-transitory computer readable medium having stored therein map data in which a road is presented in units of links and a multilink is defined as a plurality of links, which have an identical attribute and are consecutively arranged in an order in the multilink, the map data comprising: a multilink information list storing a plurality of multilink information elements in a plurality of predetermined fixed lengths, one multilink information element indicating a number of links arranged within one multilink, wherein the plurality of multilink information elements are arrayed in the multilink information list in an order that is defined as a multilink list storage order; a link information list storing a plurality of link information elements in a plurality of predetermined fixed lengths, one link information element indicating a number of coordinate points arranged within one link to illustrate a shape of the one link, wherein the plurality of link information elements are arrayed in the link information list in an order that is defined as a link list storage order, a real data list storing a plurality of real data elements, which are respectively corresponded to by a plurality of link information elements, wherein the plurality of real data elements are arrayed in an order in which the corresponding link information elements are arrayed in the link information list.