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地図データ取得
A navigation device having map data acquisition means, a current position calculation means, an input device, and a route search section.
A navigation device having map data acquisition means (11) for acquiring map information; current position detection means (13) for detecting a current position; operation means (14) for inputting a destination; route search means (160) for searching for, based on the map information, a guidance route from a departure point up to the destination inputted by the operation means; route guidance means (18-21) for performing guidance while indicating a current position on the searched guidance route; and route registration means (161,162) for registering as leaning data a vehicle's movement route created based on a past travel track.
The map data acquisition means acquires map data including data on a road, which data defines whether or not the road is with a car pool lane (HOV lane).
A navigation device is provided with a map data acquisition unit for acquiring map data including road data in which an HOV lane and a normal lane are represented by one link, a route search unit for searching for a route to an arbitrarily defined point on the basis of the map data acquired by the map data acquisition unit, an HOV lane determination unit for determining whether or not the HOV lane is included in the route searched for by the route search unit, an estimated arrival time calculation unit for calculating the estimated arrival time which is the time required to arrive at the arbitrarily defined point through the route and becomes shorter when the HOV lane determination unit determines that the HOV lane is included in the route than in the case of arrival at the arbitrarily defined point through the route in which the HOV lane is not included, and a display processing unit for displaying the estimated arrival time calculated by the estimated arrival time calculation unit.
A map display device is provided with a map data acquisition unit (21) for acquiring map data, an HOV lane determination unit (26) for determining whether HOV lane information indicating the existence of an HOV lane is included in link data that defines a road included in the map data acquired by the map data acquisition unit, a display processing unit (28) for generating display data in which a symbol representing the HOV lane is superimposed on the road formed by the link data including the HOV lane information when the HOV lane determination unit determines that the HOV lane information is included, and a display (6) for displaying a map on the basis of the display data generated by the display processing unit.
A printing device includes a bit map data storage section containing bit map data, a bit map data acquisition section for acquiring bit map data from the bit map data storage section, a jaggy removal processing section for removing jaggy of the bit map data, and a printing unit for printing data configured in accordance with the processing result of the jaggy removal processing section.
A vehicle drive assist system is provided with: a position detection means (4) that detects the position of a vehicle (A); a map data acquisition means (5) that acquires map data; a map matching means (20) that finalizes the position of the vehicle (A) on a road on the basis of the detected position and the map data; an assist means (17) that assists driving by a driver by using the finalized position of the vehicle (A) and a road shape forward of a travel direction indicated in the map data; a judging means (21) that judges the presence or absence of the possibility of the vehicle (A) driving in a wrong way on the road for which a driving direction is determined in one direction; and a termination means (22) that terminates drive assist when there is the possibility of wrong-way driving.
For this, a moving object position display device includes: an information data acquisition section for acquiring information data including an icon associated with a target object; a map data acquisition section for acquiring map data; a display section for displaying a map corresponding to the position of the moving object together with the moving object mark; and a moving object mark display control section for reading out an icon and explanation associated with the target object from the information data acquisition section and displaying them instead of the moving object mark when the moving object position approaches to the target object within a predetermined distance range or comes into the same screen.
When a map scrolling operation is not received by the drawing control unit (2), the map data acquisition unit (4) acquires, from among the map data stored by the map database (1), a plurality of map data items having a different scale from the map data being used in the drawing of the map currently being displayed; the map data acquired can be used to draw a map having the same range as the map currently being displayed.
This display device is provided with: an image information acquisition means for acquiring image information, including image data for a captured image, a photographing position indicating the position where the image was captured, and a photographing date/time indicating the date and time at which the image was captured; a map data acquisition means for acquiring, on the basis of the photographing position and photographing date/time included in the image information acquired by the image information acquisition means, map data having updated date information corresponding to the photographing date/time in map data corresponding to the photographing position; and a display control means for simultaneously displaying an image corresponding to the image data included in the image information acquired by the image information acquisition means and to a map image corresponding to the map data acquired by the map data acquisition means.
A map rendering device according to the present invention comprises: a map data acquisition unit (3) which acquires map data; a parcel aspect ratio computation unit (4) which computes a parcel aspect ratio whereby it is possible to minimize the disparity between a map when rendering a spherical object from an arbitrary viewpoint on the basis of the map data which is acquired by the map data acquisition unit (3), and a planar map; a polygon generating unit (5) which generates a polygon for rendering an interim map between an Earth object and the planar map on the basis of the parcel aspect ratio which is computed by the parcel aspect ratio computation unit (3); and a rendering unit (10) which renders the interim map on the basis of the polygon which is generated by the polygon generating unit (5).
A navigation system has a map data acquisition section (21) for acquiring map data including road attributes given to a road, a lane information acquisition section (27) for acquiring lane information defining the number of lanes of roads forming an intersection and also defining roads branching from each lane, a lane direction judgment section (28) for judging the direction of each lane based on the lane information acquired by the lane information acquiring section and on road attributes of roads entering the intersection and of roads exiting the intersection, the attributes being included in the map data acquired by the map data acquisition section, and a lane information display section (29) for displaying the direction of each lane judged by the lane direction judgment section by means of an arrow.
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Synoniemen voor map data acquisition in het Engels