Method for transmitting information on position on digital map and device used for the same

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, the method comprising the steps of:

• adding information of a height of a coordinate point included in the coordinate series information to the coordinate series information;
• and
• transmitting the coordinate series information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein the coordinate series information includes position information of a coordinate point and information of a function approximating the vector information passing through the coordinate point.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein the coordinate series information includes information designating coordinate series information of a reference and information prescribing a distance and a direction of offset with regard to the coordinate series information of the reference.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, the method comprising the steps of:

• transiting a coordinate value of a digital map representing the vector shape in a range by which erroneous matching is not produced;
• and
• including the coordinate value of a digital map representing the vector shape in the coordinate series information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein relative distance information from a reference point set at a middle of the vector shape is included in the position information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein the position information includes event information directly correspondent to a coordinate point of the coordinate series information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a road shape on a digital map at a transmitting side and identifying the road shape on the digital map by executing map matching by using the coordinate series information at a receiving side;

• wherein the position information includes a direction identifying flag;
• and
• wherein the direction identifying flag indicates clearly a vehicle advancing direction influenced by an event produced at a road.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a road shape on a digital map at a transmitting side and identifying the road shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein the coordinate series information includes a direction identifying flag;
• and
• wherein the direction identifying flag indicates clearly a situation of one way traffic regulation of a road specified by the coordinate series information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a road shape on a digital map at a transmitting side and identifying the road shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein a plurality of reference points are set in the road shape;
• and
• wherein the position information includes information of travel time between the reference points.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, the method comprising the step of;

• specifying a vector shape of other than a road by using the coordinate series information.

A method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side:

• wherein the receiving side restores coordinate series information of coordinate points at equal intervals by using the coordinate series information and executes map matching by using the restored coordinate series information.

An apparatus of restoring a coordinate series used in a method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, wherein the receiving side restores coordinate series information of coordinate points at equal intervals by using the coordinate series information and executes map matching by using the restored coordinate series information, the apparatus of restoring a coordinate series,

• wherein coordinate series information of coordinate points at equal intervals is restored from coordinate series information subjected to data compression for specifying the vector shape on the digital map.

A program of transmitting side apparatus, enforcing a method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, making a computer of the transmitting side execute the steps of:

• sampling coordinate data of a node or an interpolation point from data of a road section designated on the digital map;
• and
• calculating intercept azimuth data of the node or the interpolation point the coordinate data of which are sampled.

A program of transmitting side apparatus, enforcing a method of transmitting position information for transmitting position information including coordinate series information for specifying a vector shape on a digital map at a transmitting side and identifying the vector shape on the digital map by executing map matching by using the coordinate series information at a receiving side, making a computer of the transmitting side execute the steps of:

• sampling coordinate data of a plurality of coordinate points included in the vector shape designated on the digital map;
• and
• calculating relative position data from a coordinate point designated from the coordinate points as a reference point to a designated target position.