CN100590384C - Automatic supplementary system for guidance system - Google Patents
Automatic supplementary system for guidance system Download PDFInfo
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- CN100590384C CN100590384C CN200610027666A CN200610027666A CN100590384C CN 100590384 C CN100590384 C CN 100590384C CN 200610027666 A CN200610027666 A CN 200610027666A CN 200610027666 A CN200610027666 A CN 200610027666A CN 100590384 C CN100590384 C CN 100590384C
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Abstract
An automatic-supplementary system of navigation device consists of databank, positioning unit, start-up and end points judgment module, databank comparison module, map data record module and storage module. It is featured as collecting new road information by positioning unit, comparing collected information by databank comparison module, storing compared information by storage module, setting upa new road information in databank and displaying said new road information on navigation device through navigation system.
Description
Technical field
Content of the present invention relates to navigational system, particularly can finish the navigational system of supplementary functions automatically.
Background technology
In the modern life, be military, the civilian navigational system of all using in large quantities, for example be the advancing and dispose reference information accurately is provided of army by navigational system aspect military, then the trip for the ordinarily resident provides cartographic information aspect civilian.Navigational system is to finish its navigation feature by means of satellite system, and particularly, the user holds a navigator, is provided with the cartographic information in a certain zone or a plurality of zones in these navigator in advance, and can communicates with satellite system.In use, satellite system can accurately be located the position of this navigator, and this position display is being arranged on the map of this navigator, thereby makes the user can understand the position at its place.When the user moves, when promptly this navigator moved, then satellite system was presented at the current location of navigator on the above-mentioned map in real time, because these demonstrations are continuous, so on map, formed a user's motion track, be convenient to the user and understand the moving direction of oneself.And, when the user wishes to understand when current location arrives the travel path of a specified target position, under the help that sets in advance the navigation software in these navigator, can on above-mentioned map, demonstrate current location and target location, and demonstrate all feasible paths, thereby make things convenient for the user to select suitable travel path.
Above-mentioned navigational system or similar system, equipment provide great convenience for people's trip.But often use the people of these navigational system and the technician of field of navigation systems also to know, whether whether accurately, conveniently navigational system depends primarily on the cartographic information that is arranged in the navigator accurate, complete, detailed, and whether the navigation software that is arranged in the navigator possesses complete function.For example, the information that in above-mentioned map file, does not have some path or some position, so just can't on navigator, show corresponding path and position, thereby make the user can't obtain these information and then cause user's misjudgment that the generation of these problems has caused certain puzzlement to the user.
At present, in order to make cartographic information more accurate, be the supplier of map file on the one hand, for example Zhuan Ye navigational system supplier can constantly upgrade map, on the other hand be not to use person self to upgrade map file according to the situation of reality, the final user of these map files then needs constantly to download up-to-date map file so that can obtain up-to-date information.No matter be navigational system supplier, or common user, it upgrades mainly still manual renewal of method of map file, promptly when it finds that certain regional cartographic information is inaccurate, imperfect or not detailed, its by graphics software with these map corrections, replenish, thereby form new map file; Perhaps by processing once more on the basis of satellite photo.For example, when municipal government newly developed a road, when after these roads come into operation, also not being updated in the corresponding map file, the user of some navigational system has found on the concurrent terrain figure of this road not this road, and then it can add this road information on existing map file.And for example, suppose that the information of certain map file and real road depart from, make that shown information and real road is not inconsistent on the navigator, navigational system supplier also can correspondingly revise the appropriate section of this map file so, thereby makes navigation information accurate.
Although the above-mentioned manual mode of upgrading cartographic information can solve inaccurate, imperfect, the not detailed problem of cartographic information to a certain extent, its a large amount of participations untimely and need be artificial.
Summary of the invention
In order to address the above problem, the inventor attempts providing a kind of JUMPS Automated Supplemental System of navigational system, by this system, can replenish by automatically imperfect, not detailed cartographic information, and can correct by inaccurate cartographic information.
A kind of automatic supplementary system for guidance system runs in the navigator, cooperates with former navigational system and finishes automatic supplementary functions, comprising:
One database is used to write down side information and information-setting by user,
One location equipment is used to receive external signal with definite this equipment position,
A starting point endpoint module, be used for when navigator enters new road, sending a request to determine whether to enter a new road to database contrast module, and determine whether it is the starting point and the terminal point of a new road according to the judged result that whether has this road in the database
One database contrast module, after receiving new road request, judge according to having existed information to do contrast in current location information and the database whether this road exists, and the request of when needs record corresponding data information, sending record data to the map datum logging modle
One map datum logging modle gives record to data after the request that receives record data, and sends the storage request to memory module after finishing,
One memory module, the data with above-mentioned record after receiving above-mentioned storage request write database, write down user's relevant setting simultaneously.
Above-mentioned setting comprises at least: native system carries out determining that just this road exists and definite should the preservation behind the how many times record for newfound road; When the information of determining new road enough the time, whether system is pointed out the user before this road of preservation; What just think that the positional information of being gathered does not belong to known road for the positional information that is collected and the error of the road information that has existed above; Whether the road that has existed is revised; The frequency of collection position information.
The external signal that above-mentioned positioning equipment received is a satellite-signal, comprises information such as longitude, latitude, height in these satellite-signals, thus the positional information at reflection positioning equipment place.
The external signal that above-mentioned positioning equipment received is other wireless signals, wireless communication signal such as mobile communication signal for example, comprise information such as above-mentioned longitude, latitude, height in these signals equally, can also comprise other additional informations, for example building information of the periphery of institute's collection position etc.
When above-mentioned starting point endpoint module departed from the course that navigator plans in advance in navigator, then this module was sent the above-mentioned judgement request that determines whether to enter a new road to above-mentioned database contrast module.Above-mentioned setting numerical value ties up to and writes down in the above-mentioned memory module, and can adjust according to the needed precision of user.When the biased error of the information of dot information that is collected and known road surpasses when setting numerical value, then above-mentioned starting point endpoint module determines that navigator departs from the course that navigator is planned in advance.
Above-mentioned starting point endpoint module is sent once above-mentioned request in the certain distance in every interval, has been traveling on the road that has existed until these navigator.This is equidistant to be that system sets in advance, does not allow the user to make amendment, and this is equidistant also can dynamically to be provided with by the user.
Above-mentioned starting point endpoint module comprises current location information at least in the request that above-mentioned database contrast module is sent.
When the information that has existed in above-mentioned current location information and database is complementary, then above-mentioned database contrast module thinks that this road exists, otherwise think that navigator is traveling on the new road, above-mentioned database contrast this moment module is sent request from record data to the map datum logging modle.
At least comprise current location information in the request of the above-mentioned record data that above-mentioned database contrast module is sent.
Above-mentioned memory module writes in the database according to the data message that specific data layout will need to write down.These data comprise longitude, latitude information at least, and these data can also comprise elevation information.
A kind of method of replenishing that navigation information is carried out automatically, finish this method by the database, positioning equipment, starting point endpoint module, database contrast module, map datum logging modle, the memory module that run in the navigator, comprise the steps:
Described positioning equipment obtains the current location information of navigator, and sends described starting point endpoint module to;
Described starting point endpoint module is judged the current location information of navigator, if departed from the route that these navigator are planned in advance, then send one and judge the request whether this road has existed, otherwise this process finishes to described database contrast module;
Described database contrast module judges according to having existed information to do contrast in current location information and the database whether this road exists, if exist, and then this process end, otherwise the request of sending record data to described map datum logging modle;
Described map datum logging modle gives record to data after the request that receives record data, and sends the storage request to described memory module after finishing;
Described memory module writes database with these positional informations, changes first step and continues to carry out, and changes next step when arriving the terminal point of new road;
Described memory module judges whether to collect sufficient data, if, then with relevant location information with the storage of specific data layout and form one with former navigational system in the cartographic information road information of compatibility mutually, this process finishes, if it is inadequate, then to the storing process of data, this process finishes next time in wait.
In above-mentioned steps, when the times of collection to road information has reached predefined number of times, then memory module judges that the data of thinking collected are sufficient.These number of times are the predefined number of times of native system, and the user cannot make amendment.These number of times also can allow the user to set, so that adjust according to specific circumstances.
Certainly plurality of location is stored as the information of a road at the mould of storage described in the above-mentioned steps according to start point information and endpoint information.
In above-mentioned steps, described memory module relevant location information is stored and is formed one with former navigational system in the compatible mutually road information of cartographic information before, native system directly adds this road, and the user is not inquired.Before above-mentioned storage operation, native system also can point out the user whether to add this road, and decides storage or do not store this road information according to user's selection.
In above-mentioned steps, described memory module relevant location information is stored and is formed one with former navigational system in the compatible mutually road information of cartographic information before, system judges that automatically whether the road information of these positional information representatives is the lastest imformation of the road that existed of certain bar, if then cover original path information with these positional informations.In this process, system compares these positional informations positional information immediate with it, if distance therebetween is less than a predefined value, then the renewal to these approximated position information is thought by system, i.e. the lastest imformation of the road that certain bar has been existed.Before covering original path information, system can inquire whether the user upgrades, if the user selects to upgrade, then system just upgrades original path, otherwise system is stored these positional informations as a new road.
In above-mentioned steps, described memory module relevant location information is stored and is formed one with former navigational system in the compatible mutually road information of cartographic information after, native system requires the user at this new road input road name, simultaneously, native system allows the user to select not import road name, at this moment, system is this road name automatically.
By JUMPS Automated Supplemental System provided by the invention, the user can automatically gather the road information that is not stored in originally in these navigator when using navigator, and add new road automatically gathering fully the back, thereby provide more navigation information for the user.And, by JUMPS Automated Supplemental System provided by the invention, can also further revise inaccurate information, also greatly provide convenience for the user.
Description of drawings
Fig. 1 is the composition structural drawing of the described automatic supplementary system for guidance system in one embodiment of the present of invention.
Fig. 2 is the workflow diagram of automatic supplementary system for guidance system described in one embodiment of the present of invention.
Fig. 3 is the synoptic diagram that automatic supplementary system for guidance system described in one embodiment of the present of invention replenishes a new road.
Fig. 4 is the workflow diagram of automatic supplementary system for guidance system described in an alternative embodiment of the invention.
Label declaration
1, automatic supplementary system for guidance system
11 databases, 12 positioning equipments
13 starting point endpoint modules, 14 databases contrast module
15 map datum logging modles, 16 memory modules
Embodiment
With reference to figure 1, it has described the composition structural drawing of the described automatic supplementary system for guidance system in one embodiment of the present of invention.With reference to figure 1, in the present embodiment, described automatic supplementary system for guidance system 1 comprises a database 11, is used to write down map datum side information and other information-setting by user; One location equipment 12 is used for receiving satellite signal; A starting point endpoint module 13 is used for sending a request determining whether to enter a new road to database contrast module, and determines whether it is the starting point and the terminal point of a new road according to the judged result that whether has this road in the database; One database contrast module 14 judges according to having existed information to do contrast in current location information and the database whether this road exists, and the request of sending record data to the map datum logging modle when needs record corresponding data information; One map datum logging modle 15 gives record to data after the request that receives record data, and sends the storage request to memory module after finishing; One memory module 16, the data with above-mentioned record after receiving above-mentioned storage request write database, write down user's relevant setting simultaneously.
With reference to figure 1, wherein, positioning equipment 12 is connected with starting point endpoint module 13, and the positional information that is obtained is transferred to described starting point endpoint module 13.In the present embodiment, these positioning equipments 12 are series location products that SiRF company provides.But those skilled in the art will appreciate that these positioning equipments 12 also can be other equipment that can receive external signal, the equipment with positioning function in for example existing navigator is all passable.In the present embodiment, positioning equipment 12 external signal that receives is a satellite-signal, and by these satellite-signals, positioning equipment 12 can obtain the positional information at this equipment place, for example time, longitude, latitude, highly, information such as position angle.And in other embodiments, positioning equipment 12 also can receive other external signal, for example be not the information that directly comes from satellite-signal, be the third party provide pass through wireless communication signal, mobile communication signal for example, information transmitted, the included content of these information can intersect with above-mentioned positional information, for example also comprises the content such as neighboring buildings information, public place information of position.
With reference to figure 1, described starting point endpoint module 13 and the communication mutually of described database contrast module 14, described starting point endpoint module 13 can be sent request to described database contrast module 14, and described database contrast module 14 then responds to described starting point endpoint module 13.Described database contrast module 14 and described memory module 16 all can be read and write database 11, wherein database contrast module 14 need read the cartographic information that has existed that is stored in the database 11, and memory module 16 then need write new road information according to foregoing of the present invention in database 11.
In the present embodiment, the new road information that cartographic information that has existed and native system write all is stored in the same database 11, but it will be appreciated by those skilled in the art that, above-mentioned two kinds of information can be stored in different databases respectively or data file is interior so that manage respectively, do not give unnecessary details at this.
With reference to figure 1, described database contrast module 14 is connected with described map datum logging modle 15, and described map datum logging modle 15 is connected with described memory module 16.
With reference to figure 2, it has described the workflow diagram of automatic supplementary system for guidance system described in one embodiment of the present of invention.After positioning equipment 12 has been gathered a positional information, enter following step:
At first, judge whether to begin new road, step 21, if not, then this process finishes, again by entering the described flow process of Fig. 2 once more after the next positional information of positioning equipment 12 collections; If then change step 22;
Then, starting point endpoint module 13 is sent the request of judging whether this road has existed, step 22 to database contrast module 14;
Then, database contrast module 14 is according to having existed information to judge whether this road exists in current location information and the database, and step 23 if exist, is then changeed step 28, if do not exist, then changes step 24;
In step 24, step 25 is changeed in the request that database contrast module 14 is sent record data to described map datum logging modle 15;
Then, 15 pairs of data of map datum logging modle give record, and send storage request, step 25;
Described positioning equipment 12 continues to gather next positional information, step 27, and change step 22;
In step 28, memory module 16 judges whether to collect sufficient data, and if not, then this process finishes; Otherwise memory module 16 with relevant location information with the storage of specific data layout and form one with former navigational system in the compatible mutually road information of cartographic information, step 29, this process end.
In above-mentioned steps 28, setting judges whether to collect enough data to memory module 16 according to system.In one embodiment, whether surpass the value that sets in advance according to number of times to this road institute Information Monitoring, for example 3 times, judge whether to collect sufficient data, and in another embodiment, then according in the unit distance, for example 300 meters, whether the number of the positional information of being gathered surpasses the value that sets in advance, and for example 5, judges whether to collect sufficient data.
In above-mentioned steps 29, native system adopted with former navigational system in cartographic information mutually the data layout of compatible road information change along with the different of the data layout of former navigational system.In a simple embodiment, only need the record (latitude, longitude) just can be compatible mutually, and in complex embodiments more, then also need to put down in writing information such as height with former navigational system.Although the different data layout differences that navigational system adopted, those skilled in the art can implement the present invention to this and according to the data layout of former navigational system.
Those skilled in the art it is also understood that, in certain embodiments, the data layout of above-mentioned storage relevant location information can be not compatible mutually with the data layout of former navigational system yet, but this moment, must guarantee that navigational system in the navigator at native system place can discern data layout provided by the invention and also correspondingly on display device the cartographic information of these data representatives be shown.
With reference to figure 3, it has described the synoptic diagram that automatic supplementary system for guidance system described in one embodiment of the present of invention replenishes a new road.In the present embodiment, road MI, IN exist, are stored in the database 11 and may be displayed on the navigator.The M point is user's a homeposition, and the N point is the target location.Show that according to existing navigation information the path of most convenient is to arrive the N point then through the I point, promptly advances by the path of MI, IN.But in the operational process of reality, the user has finished this stroke according to the path of MA → AB → BN, that is has found non-existent road in the former navigation information.According to automatic supplementary system for guidance system provided by the invention, navigator is beginning to depart from programme path MI from the A point, at this moment, 13 beginnings of starting point endpoint module are crossed positioning equipment 12 every 100 rice grain patterns and are obtained current location information one time, and give above-mentioned database contrast module 14 with this information transmission, database contrast module 14 with its with database 11 in the data that existed judge that the back finds that this positional information does not belong to the road that has existed, then write down these positional informations by map datum logging modle 15 and memory module 16.Like this, native system is every positional information of 100 meters records, up to arriving the B point, at this moment, above-mentioned database contrast module 14 is found in the Already in existing road of B dot information, therefore, show to be returned on the existing road, therefore, no longer write down new positional information.
Still with reference to figure 3, after arriving the B point, after promptly having got back to existing road, memory module 16 can judge whether this positional information that writes down has reached the number of times that sets in advance, be 3 times in the present embodiment, if do not reach, then no longer carry out any operation, but when going to MA → AB → BN path, continue to repeat aforesaid operations next time.If reached 3 times, then memory module 16 is organized into a new road information with the positional information of all records and is stored.After storage finished, the system prompt user imported the title of this road, if the user imports a title, then system stores this title, otherwise system is this road name, for example " new road one ", " new road two " etc. automatically.
Those skilled in the art will appreciate that 100 meters at above-mentioned interval is that system sets in advance, perhaps determine, and this uniformly-spaced can be adjusted so that adjust the precision of the new road information that native system discerns according to user's setting.For example, when more little at interval, show that the frequency of sampling is high more, then precision is also just high more.But consider that navigational system might not need extra high precision, so this interval can be provided with as the case may be.
With reference to figure 4, it has described the workflow diagram of automatic supplementary system for guidance system described in an alternative embodiment of the invention.In the present embodiment, native system can also be revised the road in the navigational system Already in except can replenishing new road according to above-mentioned flow process shown in Figure 2.
With reference to figure 4, system judges in the predeterminable range of new road whether the road that has existed is arranged, step 41, and if there is no, then this process finishes; Otherwise, change step 42;
To the road that each bar has existed, step 42, carry out following process:
Judge whether the road that has existed intersects with new road, and step 43 if intersect, is not then carried out any operation, changes step 42; If do not intersect, then change step 44;
Whether the prompting user covers the road that this has existed, step 44;
System judges whether the user determines to cover, and step 45 if not, is then changeed step 42; If cover, then change step 46;
Cover the road that this has existed with new road, step 46, this process finishes.
This embodiment also can be applied in multiple occasion, for example do not intersect when the new road of system discovery with any known road, but when closing on very much with known road.In one embodiment, above-mentioned known road only is the new road of setting up according to native system, and in another embodiment, then above-mentioned known road not only comprises the new road of setting up according to native system, but also comprises and had road in the former navigational system.
In above-mentioned steps 41, the described predeterminable range person of being to use sets in advance.In one embodiment, these predeterminable ranges are 3 meters, and in another embodiment, these predeterminable ranges are 10 meters.Those skilled in the art will appreciate that this is equidistant big, show that then the precision of native system is relatively little, at this moment, easily this road that should not cover is override, at this moment, user's final affirmation is just important, step 44, step 45; Otherwise it is opposite.
In one embodiment of the invention, adopted GDF (Geographical Data File) spatial data standard to write down road information.Since the GDF standard code obtain the method for data and how to define all kinds of characteristic elements, attribute data and mutual relationship, so these information be enough to clear, represent road information exactly.
But it will be appreciated by those skilled in the art that, native system the final data message of preserving according to needed degree of accuracy and definite, for example, in the simplest embodiment, the information that only needs to preserve (latitude, longitude) gets final product, that is to say the plane information that only needs the sign road, and do not need other any incidental information, for example the information of one of them position is (3603.3291,10346.3723).And in an embodiment of relative complex, then need more information, (latitude for example, longitude, the position angle, magnetic declination), but these preserve information what do not influence flesh and blood of the present invention, those skilled in the art can be understood and implemented by the open source information of description of the invention and this area.Again with reference to figure 2, Fig. 4, the road information that step 29 write down as Fig. 2, and such as the step 46 of Fig. 4 the road information of covering storage, can be presented on the navigator by the navigational system in the navigator of place after finishing at storage, record, promptly on display device, show.It will be appreciated by those skilled in the art that, in the present embodiment, because above-mentioned road information is to use the cartographic information with former navigational system, the compatible mutually data layout of road information in other words is so former navigational system just can show these new roads according to the information of the new road of being stored.
Again with reference to figure 2, in step 23 when having existed information to judge whether this road has existed in current location information and the database, allow the existence of certain error, when for example the current location radius that departs from the link location information that has existed is no more than 5 meters, do not think a new road.Those skilled in the art will appreciate that these error amounts are to adjust according to desired concrete precision, for example, can come record by above-mentioned memory module about being provided with of error amount.
Although the present invention is illustrated with aforesaid preferred embodiment, but the foregoing description is not to be used for limiting the present invention, any technician that this field is familiar with, enlightenment according to design philosophy of the present invention, concrete summary of the invention and embodiment, should various changes and adjustment, and by these changes with adjust resulting new content and should be contained by content of the present invention.
Claims (16)
1. an automatic supplementary system for guidance system runs in the navigator, cooperates and finishes automatic supplementary functions with former navigational system in being located at this navigator, comprising:
One database is used to write down side information and information-setting by user,
One location equipment is used to receive external signal with definite this equipment position,
A starting point endpoint module, be used for when navigator enters new road, sending a request to determine whether to enter a new road to database contrast module, and determine whether it is the starting point and the terminal point of a new road according to the judged result that whether has this road in the database
One database contrast module, after receiving new road request, judge according to having existed information to do contrast in current location information and the database whether this road exists, and the request of when the information of needs record relevant position, sending record data to the map datum logging modle
One map datum logging modle gives record to corresponding data after the request that receives record position information, and sends the storage request to memory module after finishing,
One memory module, the data with above-mentioned record after receiving above-mentioned storage request write database, and record is relevant simultaneously is provided with,
Described positioning equipment is connected with described starting point endpoint module, and the positional information that is obtained is transferred to described starting point endpoint module,
Described starting point endpoint module and the communication mutually of described database contrast module, described starting point endpoint module is sent request to described database contrast module, and described database contrast module responds to described starting point endpoint module,
Described database contrast module and described memory module all with the mutual communication of database,
Described database contrast module is connected with described map datum logging modle,
Described map datum logging modle is connected with described memory module.
2. automatic supplementary system for guidance system as claimed in claim 1 is characterized in that, the database that described database and described navigator be employed to be used to store former navigation information is same database.
3. automatic supplementary system for guidance system as claimed in claim 1 is characterized in that, the external signal that described positioning equipment receives is a satellite-signal.
4. automatic supplementary system for guidance system as claimed in claim 1 is characterized in that, the external signal that described positioning equipment receives is the mobile communication signal.
5. a kind of automatic supplementary system for guidance system as claimed in claim 1 is characterized in that described positional information comprises longitude, latitude information at least.
6. a kind of automatic supplementary system for guidance system as claimed in claim 5 is characterized in that, described positional information also comprises surrounding building information, the public place information of institute's collection position.
7. automatic supplementary system for guidance system as claimed in claim 1 is characterized in that, described starting point endpoint module is sent described request one time in the certain distance in every interval.
8. method that navigation information is carried out automatically replenishing, finish this method by the database, positioning equipment, starting point endpoint module, database contrast module, map datum logging modle, the memory module that run in the navigator, comprise the steps:
Step 1, described positioning equipment obtains the current location information of navigator, and sends described starting point endpoint module to;
Step 2, described starting point endpoint module is judged the current location information of navigator, if departed from the route that these navigator are planned in advance, then sends one to described database contrast module and judges the request whether this road has existed, otherwise this process finishes;
Step 3, described database contrast module judges according to having existed information to do contrast in current location information and the database whether this road exists, if exist, then this process finishes, otherwise the request of sending record position information to described map datum logging modle;
Step 4, described map datum logging modle gives record to data after the request that receives record position information, and sends the storage request to described memory module after finishing;
Step 5, described memory module writes database with these positional informations, changes step 1 and continues to carry out, and changes step 6 when arriving the terminal point of new road;
Step 6, described memory module judges whether to collect sufficient data, if, then with relevant location information with the storage of specific data layout and form one with former navigational system in the cartographic information road information of compatibility mutually, this process finishes, if inadequate, then to the storing process of data, this process finishes next time in wait.
9. as claimed in claim 8 navigation information is carried out automatically the method for replenishing, it is characterized in that, in the described step 5, when the times of collection to road information has reached predefined number of times, memory module thinks that collected data are sufficient.
10. as claimed in claim 9 navigation information is carried out automatically the method for replenishing, it is characterized in that described predefined number of times allows the user to set.
11. the method for replenishing that navigation information is carried out automatically as claimed in claim 8, it is characterized in that, in the described step 6, relevant location information is stored and is formed one with former navigational system in the compatible mutually road information of cartographic information before, whether the system prompt user adds this road, and carries out the operation of storing or not storing this road information according to user's selection.
12. as claimed in claim 8 navigation information is carried out automatically the method for replenishing, it is characterized in that, in described step 6, finish storing process after, the positional information of being stored can be presented in the navigator by navigational system.
13. described navigation information is carried out automatically the method for replenishing as claim 8 or 11 or 12, it is characterized in that described positional information comprises longitude, latitude information at least.
14. the method for replenishing that navigation information is carried out automatically as claimed in claim 8, it is characterized in that, in described step 2, the minimum value and value of the position on the road that has existed in described current location and the database surpasses preset value, and then described starting point endpoint module determines that current location has departed from the route of planning in advance.
15. method that navigation information is revised automatically, finish this method by the database, positioning equipment, starting point endpoint module, database contrast module, map datum logging modle, the memory module that run in the navigator, comprise the steps:
Step 1, the information of repeatedly gathering a new road by described positioning equipment;
Step 2 judges that whether the above-mentioned new road of gathering is the correction to existing road information, if then change step 4, otherwise change step 3;
A new road is stored up and formed to step 3 according to the information of being gathered in databases, and this process finishes;
Step 4, whether the prompting user covers existing road, if, then covering, this process finishes, otherwise does not do any operation, and this process finishes.
16. the method that navigation information is revised automatically as claimed in claim 15, it is characterized in that, in the described step 2,, judge that then definite described new road is the correction to existing road information if the distance of new road and existing road is not more than predefined spacing and two road do not intersect.
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| CN101403621B (en) * | 2008-10-29 | 2011-11-30 | 深圳市凯立德科技股份有限公司 | Instant recording method for electronic map road data |
| CN101639849B (en) * | 2009-06-01 | 2011-06-01 | 北京四维图新科技股份有限公司 | Method for processing data and device therefor |
| CN103644919A (en) * | 2013-11-22 | 2014-03-19 | 贡凯 | Navigation system new road exploration method |
| CN107871400B (en) * | 2016-09-26 | 2020-04-07 | 腾讯科技（深圳）有限公司 | Road network information updating method and device |
| CN108694849B (en) * | 2018-06-05 | 2021-02-19 | 宁波市鄞州智伴信息科技有限公司 | Automobile driving assisting navigation system |
| CN109061698B (en) * | 2018-07-20 | 2021-06-08 | 深圳市泰比特科技有限公司 | Accurate navigation method and mobile terminal |
| CN112273366A (en) * | 2020-10-28 | 2021-01-29 | 玉林市农业科学院(广西农业科学院玉林分院) | Method and system for ecologically repelling birds by agricultural unmanned aerial vehicle in rice direct seeding cultivation |
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2006
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