CN103292816A - Electronic map generation method and device as well as route planning method and device - Google Patents
Electronic map generation method and device as well as route planning method and device Download PDFInfo
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- CN103292816A CN103292816A CN2012100445754A CN201210044575A CN103292816A CN 103292816 A CN103292816 A CN 103292816A CN 2012100445754 A CN2012100445754 A CN 2012100445754A CN 201210044575 A CN201210044575 A CN 201210044575A CN 103292816 A CN103292816 A CN 103292816A
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Abstract
The invention provides an electronic map generation method and device as well as a route planning method and device, and belongs to the field of electronic navigation. The electronic map generation method comprises the following steps of: obtaining first road network data and lane information of the road, matching the lane information with the corresponding road in the first road network data, and generating second road network data containing the lane information; and according to the second road network data, generating a road surface containing the lane information. The route planning method comprises the following steps of: obtaining a route planning requirement containing starting point and destination of a user, planning a connecting route arranged between the starting point and destination according to an electronic map containing the lane information, wherein the connecting route is composed of more than one lane which is communicated; utilizing the connecting route as a text description and/ or graphic plotting manner to display on a navigation terminal of the user. The technical scheme of the invention can accurately express a road surface condition so as to provide the exact guide for navigating mates.
Description
Technical field
The present invention relates to the electronic navigation field, refer to a kind of electronic map generating method, device and paths planning method, device especially.
Background technology
Prior art is based on traditional map of navigation electronic and provides navigation for the user.The road network master data of tradition map of navigation electronic is formed by the geometric configuration relevant with site of road with the road topology data that topology is correlated with in succession.The tradition map of navigation electronic is to turn to a line with a road in the real world is abstract, and all attribute informations all carry out record based on this road route, do not record the details in each track on the road.If one the information in each track is in full accord on the road, it is no problem to adopt traditional map of navigation electronic to navigate.But in real world, information on same road on each track is often inconsistent, in order to express the information on the road, traditional map of navigation electronic must comprehensively be summarized the information in each track, will inevitably lose the partial information on the road like this, the guiding of accurate intelligence can't be provided for the user.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of electronic map generating method, device and paths planning method, device, can accurately express pavement behavior, and provides accurate guiding for human pilot.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of electronic map generating method, comprising:
Obtain the lane information of the first road road net data and road;
Described lane information is mated with corresponding road in the described first road road net data, generate the second road road net data that includes lane information;
Generate the road surface that includes lane information according to the described second road road net data.
Further, the described lane information that obtains the first road road net data and road comprises:
Obtain the lane information of the first road road net data and road from navigation electronic, described lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track.
Further, described described lane information is mated with corresponding road in the described first road road net data, generates the second road road net data that includes lane information and comprise:
Increase the track attribute field of road, and fill the track attribute field of corresponding road in the described first road road net data according to the lane information that obtains, generate the described second road road net data.
The embodiment of the invention also provides a kind of electronic chart generating apparatus, comprising:
Acquisition module is for the lane information that obtains the first road road net data and road;
Matching module is used for the corresponding road of described lane information with the described first road road net data mated, and generates the second road road net data that includes lane information;
Processing module is used for generating the road surface that includes lane information according to the described second road road net data.
Further, described acquisition module specifically is used for obtaining from navigation electronic the lane information of the first road road net data and road, and described lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track.
Further, described matching module is specifically for increasing the track attribute field of road, and fills the track attribute field of corresponding road in the described first road road net data according to the lane information that obtains, and generates the described second road road net data.
The embodiment of the invention also provides a kind of paths planning method, comprising:
Obtain user's the path planning request that includes starting point and destination;
Plan adapter path between described starting point and the described destination according to the electronic chart that includes lane information, described adapter path is made up of the track that is interconnected more than;
The mode of described adapter path with text description and/or graphic plotting is presented on user's the navigation terminal.
Further, also comprise before the described user's of obtaining the path planning request that includes starting point and destination:
Obtain the lane information of the first road road net data and road;
Described lane information is mated with corresponding road in the described first road road net data, generate the second road road net data that includes lane information;
Generate the electronic chart that includes lane information according to the described second road road net data.
The embodiment of the invention also provides a kind of path planning apparatus, comprising:
Receiver module is used for the path planning request that includes starting point and destination of obtaining the user;
Planning module, for the adapter path of planning according to the electronic chart that includes lane information between described starting point and the described destination, described adapter path is made up of the track that is interconnected more than;
Display module is for the navigation terminal that described adapter path is presented at the user in the mode of text description and/or graphic plotting.
Further, described device also comprises:
Acquisition module is for the lane information that obtains the first road road net data and road;
Matching module is used for the corresponding road of described lane information with the described first road road net data mated, and generates the second road road net data that includes lane information;
Processing module is used for generating the electronic chart that includes lane information according to the described second road road net data.
Embodiments of the invention have following beneficial effect:
In the such scheme, at first obtain the lane information of road, and lane information is mated with corresponding road in the existing road road net data, generate the road road net data that includes lane information, thereby generate the electronic chart that includes lane information.This electronic chart is expressed on-the-spot based on the track rank, express pavement behavior more exactly, has reduced the loss of road information; And can provide accurate guiding based on the track for the user based on this electronic chart, for the user provides better roading.
Description of drawings
Fig. 1 is the schematic flow sheet of the electronic map generating method of the embodiment of the invention;
Fig. 2 is the structured flowchart of the electronic chart generating apparatus of the embodiment of the invention;
Fig. 3 is the lane information synoptic diagram on the road in the embodiment of the invention;
Fig. 4 is the schematic flow sheet of the paths planning method of the embodiment of the invention;
Fig. 5 is the structured flowchart of the path planning apparatus of the embodiment of the invention.
Embodiment
For technical matters, technical scheme and advantage that embodiments of the invention will be solved is clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are comprehensively summarized the information in each track at map of navigation electronic in the prior art, partial information on the loss road, the problem of the guiding of accurate intelligence can't be provided for the user, a kind of electronic map generating method, device and paths planning method, device are provided, can accurately express pavement behavior, and provide accurate guiding for human pilot.
Fig. 1 is the schematic flow sheet of the electronic map generating method of the embodiment of the invention, and as shown in Figure 1, present embodiment comprises:
Step 101: the lane information that obtains the first road road net data and road;
Step 102: lane information is mated with corresponding road in the first road road net data, generate the second road road net data that includes lane information;
Step 103: generate the road surface that includes lane information according to the second road road net data.
Wherein, this road surface can truly reflect the road actual state.
Electronic map generating method of the present invention, at first obtain the lane information of road, and lane information mated with corresponding road in the existing road road net data, generate the road road net data that includes lane information, thereby generate the electronic chart that includes lane information.This electronic chart is expressed on-the-spot based on the track rank, express pavement behavior more exactly, has reduced the loss of road information.
Fig. 2 is the structured flowchart of the electronic chart generating apparatus of the embodiment of the invention, and as shown in Figure 2, present embodiment comprises:
Processing module 22 is used for generating the road surface that includes lane information according to the second road road net data.
Further, the acquisition module 20 concrete lane informations that are used for obtaining from navigation electronic the first road road net data and road, lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track.
Further, matching module 21 is specifically for increasing the track attribute field of road, and fills the track attribute field of corresponding road in the first road road net data according to the lane information that obtains, and generates the second road road net data.
Electronic chart generating apparatus of the present invention, at first obtain the lane information of road, and lane information mated with corresponding road in the existing road road net data, generate the road road net data that includes lane information, thereby generate the electronic chart that includes lane information.This electronic chart is expressed on-the-spot based on the track rank, express pavement behavior more exactly, has reduced the loss of road information.
Below in conjunction with specific embodiment electronic map generating method of the present invention is done introduction further:
Embodiment one
Step a1: obtain the lane information of the first road road net data and road from navigation electronic, lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track;
Step a2: increase the track attribute field of road, and fill the track attribute field of corresponding road in the first road road net data according to the lane information that obtains, generate the second road road net data.
Step a3: generate the road surface that includes lane information according to the second road road net data.
When in electronic chart, generating road surface at present, can't generate road surface in real time according to the variation of site road, the making road surface of need taking pictures again.And the present invention can generate road surface in the electronic chart in real time by the second road road net data that includes lane information.
Electronic map generating method of the present invention, at first from navigation electronic, obtain the lane information of road, and lane information mated with corresponding road, increase the track attribute field of road, and fill the track attribute field of corresponding road according to the lane information that obtains, generation includes the road road net data of lane information, generates the electronic chart that includes lane information based on this road road net data.This electronic chart is expressed on-the-spot based on the track rank, express pavement behavior more exactly, has reduced the loss of road information; And present embodiment can be based on the road surface in navigation electronic generation in real time and the renewal electronic chart.
Embodiment two
Step b1: the lane information that from navigation electronic, obtains the first road road net data and road;
Wherein, the road information in the first road road net data is that the information in track is comprehensively summarized, and can not describe the specifying information in each track of road.The poly-lane information that also needs to obtain each bar road from navigation electronic of this step, the lane information of road comprises: road, track sequence number, track direction of traffic, track type, rotation arrow, lane width, track limit for height, track Maximum speed limit under track sign, the track, have or not forbidding time period of electronic eyes, the limited direction in track, the forbidding time period of limited direction, the limited type of vehicle in track and limited vehicle etc.Wherein, the track type is to express the different purposes in track, and dividing common track type by function has: bus zone, urgent track, acceleration track, fast traffic lane, fast, changeable driveway etc.
Fig. 3 is the lane information synoptic diagram on the road, as shown in Figure 3, total Lane1, Lane2, Lane3 and four tracks of Lane4 on this road, wherein the speed in Lane1 track is restricted to 120km/h, limit for height is 2.5m, allowing current vehicle is compact car, cuts apart by long dotted line with adjacent lane, and lane width is 3.3m; The speed in Lane2 track is restricted to 100km/h, and limit for height is 3.5m, and allowing current vehicle is compact car, cuts apart by long dotted line with adjacent lane, and lane width is 3.3m; The speed in Lane3 track is restricted to 90km/h, and allowing current vehicle is large car, cuts apart by long solid line with adjacent lane, and vehicle can be kept straight on and turn right on this track; The speed in Lane4 track is restricted to 80km/h, and allowing current vehicle is large car, cuts apart by long solid line with adjacent lane, and vehicle can be kept straight on and turn left on this track;
Step b2: lane information is mated with corresponding road in the first road road net data, generate the second road road net data that includes lane information;
Lane information can adopt data structure as shown in Table 1 to be described in navigation electronic, is used for the actual conditions according to the scene, records the details in each track.
Be that example describes with Lane1 shown in Figure 3, the lane information in this track is described below:
Table one
In navigation electronic, increase the track attribute field of road, and will be filled in the track attribute field of corresponding road with the lane information of above-mentioned data structure (table one) expression, just can generate the second road road net data that includes lane information;
Step b3: generate the road surface that includes lane information according to the second road road net data.
When in electronic chart, generating road surface at present, can't generate road surface in real time according to the variation of site road, the making road surface of need taking pictures again.And the present invention can generate road surface specific to the track according to this second road road net data that includes lane information, the road surface that generates no longer is the demonstration of single one dimension line segment, but more vivid track face shows, almost on-the-spot consistent with road, strengthen the display effect of existing electronic chart, also play up for the map that becomes more meticulous the data basis is provided; The road surface that generates can be according to the details in each track, and the real time modelling road surface can be set up the road net based on each track on the basis of traditional road road network.
Electronic map generating method of the present invention, at first from navigation electronic, obtain the lane information of road, and lane information mated with corresponding road, increase the track attribute field of road, and fill the track attribute field of corresponding road according to the lane information that obtains, generation includes the road road net data of lane information, generates the electronic chart that includes lane information based on this road road net data.This electronic chart is expressed on-the-spot based on the track rank, express pavement behavior more exactly, has reduced the loss of road information; And present embodiment can be based on the road surface in navigation electronic generation in real time and the renewal electronic chart.
The present invention also provides a kind of paths planning method, and Fig. 4 is the schematic flow sheet of the paths planning method of the embodiment of the invention, and as shown in Figure 4, present embodiment comprises:
Step 401: the path planning request that includes starting point and destination of obtaining the user;
The user of indication is the human pilot of vehicle among the present invention;
Step 402: according to the adapter path between the electronic chart planning starting point that includes lane information and the destination, adapter path is made up of the track that is interconnected more than;
Step 403: the mode of adapter path with text description and/or graphic plotting is presented on user's the navigation terminal.
Paths planning method of the present invention based on the electronic chart that includes lane information, can provide accurate guiding based on the track for the user according to user's path planning request, for the user provides better roading.
The present invention also provides a kind of path planning apparatus, and Fig. 5 is the structured flowchart of the path planning apparatus of the embodiment of the invention, and as shown in Figure 5, present embodiment comprises:
Display module 52 is for the navigation terminal that adapter path is presented at the user in the mode of text description and/or graphic plotting.
Further, this path planning apparatus also comprises:
Acquisition module is for the lane information that obtains the first road road net data and road;
Matching module is used for the corresponding road of lane information with the first road road net data mated, and generates the second road road net data that includes lane information;
Processing module is used for generating the electronic chart that includes lane information according to the second road road net data.
Path planning apparatus of the present invention based on the electronic chart that includes lane information, can provide accurate guiding based on the track for the user according to user's path planning request, for the user provides better roading.
Below in conjunction with specific embodiment paths planning method of the present invention is done introduction further:
Embodiment three
Step c1: the lane information that obtains the first road road net data and road;
Step c2: lane information is mated with corresponding road in the first road road net data, generate the second road road net data that includes lane information;
Step c3: generate the electronic chart that includes lane information according to the second road road net data;
Step c4: the path planning request that includes starting point and destination of obtaining the user;
Step c5: according to the adapter path between the electronic chart planning starting point that includes lane information and the destination, adapter path is made up of the track that is interconnected more than;
Step c6: the mode of adapter path with text description and/or graphic plotting is presented on user's the navigation terminal.
Paths planning method of the present invention, at first obtain the lane information of road, and lane information mated with corresponding road in the existing road road net data, generate the road road net data that includes lane information, thereby generate the electronic chart that includes lane information; The electronic chart that includes lane information afterwards based on this provides accurate guiding based on the track according to user's path planning request for the user, for the user provides better roading.
Embodiment four
Steps d 1: the lane information that from navigation electronic, obtains the first road road net data and road;
Wherein, the road information in the first road road net data is that the information in track is comprehensively summarized, and can not describe the specifying information in each track of road.This step also needs to obtain the lane information of each bar road from navigation electronic, the lane information of road comprises: road, track sequence number, track direction of traffic, track type, rotation arrow, lane width, track limit for height, track Maximum speed limit under track sign, the track, have or not forbidding time period of electronic eyes, the limited direction in track, the forbidding time period of limited direction, the limited type of vehicle in track and limited vehicle etc.Wherein, the track type is to express the different purposes in track, and dividing common track type by function has: bus zone, urgent track, acceleration track, fast traffic lane, fast, changeable driveway etc.
Fig. 3 is the lane information synoptic diagram on the road, as shown in Figure 3, total Lane1, Lane2, Lane3 and four tracks of Lane4 on this road, wherein the speed in Lane1 track is restricted to 120km/h, limit for height is 2.5m, allowing current vehicle is compact car, cuts apart by long dotted line with adjacent lane, and lane width is 3.3m; The speed in Lane2 track is restricted to 100km/h, and limit for height is 3.5m, and allowing current vehicle is compact car, cuts apart by long dotted line with adjacent lane, and lane width is 3.3m; The speed in Lane3 track is restricted to 90km/h, and allowing current vehicle is large car, cuts apart by long solid line with adjacent lane, and vehicle can be kept straight on and turn right on this track; The speed in Lane4 track is restricted to 80km/h, and allowing current vehicle is large car, cuts apart by long solid line with adjacent lane, and vehicle can be kept straight on and turn left on this track;
Steps d 2: lane information is mated with corresponding road in the first road road net data, generate the second road road net data that includes lane information;
Lane information can adopt data structure as shown in Table 1 to be described in navigation electronic, is used for the actual conditions according to the scene, records the details in each track.
Be that example describes with Lane1 shown in Figure 3, the lane information in this track is described below:
Table one
In navigation electronic, increase the track attribute field of road, and will be filled in the track attribute field of corresponding road with the lane information of above-mentioned data structure (table one) expression, just can generate the second road road net data that includes lane information;
Steps d 3: generate the electronic chart that includes lane information according to the second road road net data;
Can generate the electronic chart that comprises specific to the road surface in track according to this second road road net data that includes lane information, the road surface that generates no longer is the demonstration of single one dimension line segment, but more vivid track face shows, almost on-the-spot consistent with road, strengthen the display effect of existing electronic chart, also play up for the map that becomes more meticulous the data basis is provided; The electronic chart that generates can be according to the details in each track, and the real time modelling road surface can be set up the road net based on each track on the basis of traditional road road network;
Steps d 4: the path planning request that includes starting point and destination of obtaining the user;
Receive the path planning request that includes starting point and destination that the user sends by navigation terminal;
Steps d 5: according to the adapter path between the electronic chart planning starting point that includes lane information and the destination, this adapter path is made up of the track that is interconnected more than;
Can cook up many adapter paths between starting point and the destination according to this electronic chart that includes lane information, and this mulitpath is optimized calculating, therefrom select the adapter path of an optimum, this adapter path is specific to the track;
Steps d 6: the mode of this adapter path with text description and/or graphic plotting is presented on user's the navigation terminal.
Further, can also this adapter path be informed to the user with voice prompting mode, and when the user travels, in real time the user is reminded according to the user position, such as when needing to turn round, should travelling in any bar track, when need also road etc.
Paths planning method of the present invention, at first obtain the lane information of road, and lane information mated with corresponding road in the existing road road net data, generate the road road net data that includes lane information, thereby generate the electronic chart that includes lane information; The electronic chart that includes lane information afterwards based on this provides accurate guiding based on the track according to user's path planning request for the user.
Many functional parts described in this instructions all are called as module, in order to emphasize the independence of its implementation more especially.
In the embodiment of the invention, module can realize with software, in order to carried out by various types of processors.For instance, the executable code module of a sign can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module need not to be physically located in together, but can comprise the different instruction on being stored in the coordination not, when combining on these command logics, and its composition module and realize the regulation purpose of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on a plurality of different code segments, be distributed in the middle of the distinct program, and cross over a plurality of memory devices and distribute.Similarly, service data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described service data can be used as the individual data collection and is collected, and perhaps can be distributed on the diverse location (to be included on the different storage device), and can only be present on system or the network as electronic signal at least in part.
When module can utilize software to realize, consider the level of existing hardware technology, so can be with the module of software realization, do not considering under the condition of cost, those skilled in the art can build the corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, such as realizations such as field programmable gate array, programmable logic array, programmable logic devices.
In each method embodiment of the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skills, under the prerequisite of not paying creative work, the priority of each step is changed also within protection scope of the present invention.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an electronic map generating method is characterized in that, comprising:
Obtain the lane information of the first road road net data and road;
Described lane information is mated with corresponding road in the described first road road net data, generate the second road road net data that includes lane information;
Generate the road surface that includes lane information according to the described second road road net data.
2. electronic map generating method according to claim 1 is characterized in that, the described lane information that obtains the first road road net data and road comprises:
Obtain the lane information of the first road road net data and road from navigation electronic, described lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track.
3. electronic map generating method according to claim 2 is characterized in that, described described lane information is mated with corresponding road in the described first road road net data, generates the second road road net data that includes lane information and comprises:
Increase the track attribute field of road, and fill the track attribute field of corresponding road in the described first road road net data according to the lane information that obtains, generate the described second road road net data.
4. an electronic chart generating apparatus is characterized in that, comprising:
Acquisition module is for the lane information that obtains the first road road net data and road;
Matching module is used for the corresponding road of described lane information with the described first road road net data mated, and generates the second road road net data that includes lane information;
Processing module is used for generating the road surface that includes lane information according to the described second road road net data.
5. electronic chart generating apparatus according to claim 4 is characterized in that,
Described acquisition module specifically is used for obtaining from navigation electronic the lane information of the first road road net data and road, and described lane information comprises: road, track limit for height, lane width, track Maximum speed limit, track allow by the traffic lane line between type of vehicle, track and other track under track sign, the track.
6. electronic chart generating apparatus according to claim 5 is characterized in that,
Described matching module is specifically for increasing the track attribute field of road, and fills the track attribute field of corresponding road in the described first road road net data according to the lane information that obtains, and generates the described second road road net data.
7. a paths planning method is characterized in that, comprising:
Obtain user's the path planning request that includes starting point and destination;
Plan adapter path between described starting point and the described destination according to the electronic chart that includes lane information, described adapter path is made up of the track that is interconnected more than;
The mode of described adapter path with text description and/or graphic plotting is presented on user's the navigation terminal.
8. paths planning method according to claim 7 is characterized in that, also comprises before the described user's of obtaining the path planning request that includes starting point and destination:
Obtain the lane information of the first road road net data and road;
Described lane information is mated with corresponding road in the described first road road net data, generate the second road road net data that includes lane information;
Generate the electronic chart that includes lane information according to the described second road road net data.
9. a path planning apparatus is characterized in that, comprising:
Receiver module is used for the path planning request that includes starting point and destination of obtaining the user;
Planning module, for the adapter path of planning according to the electronic chart that includes lane information between described starting point and the described destination, described adapter path is made up of the track that is interconnected more than;
Display module is for the navigation terminal that described adapter path is presented at the user in the mode of text description and/or graphic plotting.
10. path planning apparatus according to claim 7 is characterized in that, described device also comprises:
Acquisition module is for the lane information that obtains the first road road net data and road;
Matching module is used for the corresponding road of described lane information with the described first road road net data mated, and generates the second road road net data that includes lane information;
Processing module is used for generating the electronic chart that includes lane information according to the described second road road net data.
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