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map data acquisition unit
Vertaling van "map data acquisition unit" in Japans
地図データ取得部
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.
ナビゲーション装置は、ＨＯＶレーンと通常レーンとが１本のリンクで表された道路データを含む地図データを取得する地図データ取得部と、任意の地点までの経路を、地図データ取得部で取得された地図データに基づいて探索する経路探索部と、経路探索部で探索された経路にＨＯＶレーンが含まれるかどうかを判断するＨＯＶレーン判断部と、ＨＯＶレーン判断部によって経路にＨＯＶレーンが含まれることが判断された場合は、該経路を通って任意の地点に到着する時間が、ＨＯＶレーンが含まれない経路を通って任意の地点に到着する場合よりも短くなる到着予測時間を算出する到着予測時間算出部と、到着予測時間算出部で算出された到着予測時間を表示させる表示処理部を備えている。
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.
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.
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).
Woord & uitdrukking van de dag
Afbeelding van de dag
Resultaten: 4. Exact: 4. Verstreken tijd: 24 ms.
