Induced arrow planning method, device, navigation system and storage medium
A technology of arrows and straight roads, applied in the information field, can solve problems such as insufficient fineness of two-dimensional vector graphics and map base maps, lack of lane road planning, and inability to provide users with lane navigation services, etc.
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[0088] Figure 12 A structural block diagram of an induced arrow planning device provided by another embodiment of the present invention. Such as Figure 12 As shown, according to an embodiment of the induced arrow planning device of the present invention, the steering judging unit 200 includes: a filtering subunit 210 for removing straight roads without lane texture from the set of straight roads; a reference straight road judging subunit 220. It is used to obtain a reference straight road for each turning straight road to be calculated, the reference straight road is the next straight road connected to the turning straight road to be calculated after removing the road without lane texture, and the road without lane texture Including a virtual straight road or a straight road whose length is less than a predetermined threshold; the steering judging subunit 230 is configured to make steering judgment on the connection point between the straight road to be calculated and the ...
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