CN101046382A - Circular navigation method for navigation instrument - Google Patents
Circular navigation method for navigation instrument Download PDFInfo
- Publication number
- CN101046382A CN101046382A CN 200710021501 CN200710021501A CN101046382A CN 101046382 A CN101046382 A CN 101046382A CN 200710021501 CN200710021501 CN 200710021501 CN 200710021501 A CN200710021501 A CN 200710021501A CN 101046382 A CN101046382 A CN 101046382A
- Authority
- CN
- China
- Prior art keywords
- rotary island
- navigation
- highway section
- navigating instrument
- cpu element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The roundabout navigation method of navigation instrument includes the following steps: setting the initial point and destination, calculating optimal path in CPU unit and showing the path in the touch screen to start booting process; calculating the distance between the current position and the next prompt point in CPU unit; judging whether the prompt point is a roundabout after the distance is smaller than the set threshold value; showing the enlarged map of the non-roundabout prompt point or calculating the entrance path and exit position based on the map database for roundabout prompt point before showing the enlarged map of the roundabout; and restoring the display of optimal path and current position after passing through the roundabout.
Description
Technical field
The present invention relates to a kind of rotary island air navigation aid of navigating instrument.
Background technology
Existing onboard navigation system is to utilize the current location of GPS detection vehicle mostly, and show tags has the map of current location on display screen, and navigates to the destination along best route.Also in the intersection that shows on the screen on the route, and indicate the working direction that vehicle should advance.
The intersection comprises roundabout.Along with vehicle near roundabout, utilize the arrow on the screen and/or indicate the direction of vehicle by roundabout by voice.
Chinese patent application 200610059862.7 discloses a kind of onboard navigation system, at be included in guiding route in the linking-up road that is connected of roundabout, onboard navigation system is obtained virtual link, according to road-map-data this virtual link is defined as towards the inside of roundabout and extends.By utilizing by two angles that virtual link limited at entranceway and exit road, calculate working direction at roundabout, wherein said entranceway as vehicle thereon near the linking-up road of roundabout, and the linking-up road that described exit road leaves from roundabout as vehicle thereon.When vehicle during, export guidance information at roundabout according to the working direction of being calculated near roundabout.The rotary island navigation procedure complexity of this system.
Summary of the invention
Technical matters to be solved by this invention provides a kind of rotary island air navigation aid of simply and intuitively navigating instrument.
For solving the problems of the technologies described above, the rotary island air navigation aid of navigating instrument of the present invention comprises the steps:
CPU element in A, the navigating instrument is surveyed current location according to the gps signal that gps receiver receives, and reads in the map data base and the corresponding map datum of current location, and by screen displaying and the corresponding map of current location; The user sets starting point and destination by the touch-screen of navigating instrument, the CPU element map datum in the database according to the map calculates the optimum path of navigation of described starting point to the destination, then should the optimum path of navigation by screen displaying and begin the route guidance process;
B, before arriving the destination, the CPU element in the navigating instrument is calculated the distance of current location to next prompting point; Until when this distance during, judge whether this prompting point is rotary island less than predetermined threshold value;
If not rotary island, then touch-screen directly shows the expanded view of this prompting point, and until by this prompting point the time, touch-screen returns to the state of described optimum path of navigation of normal demonstration and current location;
If rotary island, then CPU element reads the entranceway orientation and the peripheral path data of rotary island in the map data base earlier, calculate the slogan position then, calculate the engineer's scale that is suitable for the whole rotary island of screen displaying and the center of rotary island again, last CPU element control touch-screen is center and the expanded view that shows this rotary island by described engineer's scale with the center of rotary island, when CPU element recorded by this rotary island according to gps signal, touch-screen returned to the state of described optimum path of navigation of normal demonstration and current location;
C, CPU element continue to calculate current location to be pointed out the distance of point and repeats above-mentioned steps B to next, and navigation finishes when arriving the destination.
The present invention has positive effect: the rotary island air navigation aid of (1) navigating instrument of the present invention, can calculate the optimal proportion chi that on touch-screen, shows this rotary island according to the size of rotary island reality, calculate the center of rotary island simultaneously, so that the zone that is used to show expanded view on the touch-screen is center and by the whole rotary island of the complete demonstration of engineer's scale of maximum with described center, make the rotary island navigation simple and directly perceived, hommization is good.(2) in the rotary island air navigation aid of navigating instrument of the present invention, the engineer's scale of calculating demonstration rotary island and the step of center are simple and effective, thereby have improved the rotary island navigation efficient of navigating instrument.(3) in the rotary island air navigation aid of navigating instrument of the present invention, the numbering color of the rotary island outlet on optimum path of navigation is different from the numbering color of other rotary island outlets, with in the rotary island outlet that intuitively demonstrates on the touch-screen on the optimum path of navigation, make the rotary island navigation more humane.(4) in the rotary island air navigation aid of navigating instrument of the present invention, when showing rotary island, can select to show in the Northern Dynasties or, to satisfy the use habit of different user, hommization is good from car up with expanded view.(5) in the rotary island air navigation aid of navigating instrument of the present invention, when showing rotary island, do not show the road of different aspects, make the rotary island navigation more directly perceived, got rid of the vision that is produced of the road on the different aspects and disturbed with expanded view.
Description of drawings
Fig. 1 is the structural representation of the navigating instrument among the embodiment 1;
Fig. 2 is the flow chart of the rotary island air navigation aid of navigating instrument of the present invention;
Fig. 3 calculates the engineer's scale that shows rotary island and the flow chart of center in the rotary island air navigation aid of navigating instrument of the present invention;
Fig. 4 is the flow chart of the rotary island outlet numbering in the rotary island air navigation aid of navigating instrument of the present invention;
Fig. 5 be among the embodiment 1 to the north of show the synoptic diagram of rotary island expanded view towards upper type;
Fig. 6 be among the embodiment 1 to show the synoptic diagram of rotary island expanded view towards upper type from car;
Fig. 7 is among the embodiment 1 and the synoptic diagram road of rotary island on different aspects;
Fig. 8 is the synoptic diagram of the rotary island expanded view of screen displaying among the embodiment 1.
Embodiment
(embodiment 1)
As Fig. 1, the navigating instrument of present embodiment comprises: CPU element 1, with the CPU element 1 two-way gps receiver that is electrically connected 2, with the CPU element 1 two-way map data base 3 that is used to store numerical map that is electrically connected, with the CPU element 1 two-way program data base 4 that is used to store navigation program that is electrically connected, with the CPU element 1 two-way instantaneous speech power that is electrically connected 5 and with the CPU element 1 two-way touch-screen that is electrically connected 6.The navigating instrument carrier can be mobile vehicles such as automobile, motorcycle.
The ROM that CPU element 1 comprises the CPU that is used for programmed control and data operation, be used to store navigating instrument bottom software and basic setup data is program data base 4, be used for depositing when running software the RAM of program and data; Map data base 3 is deposited executive routine, POI data, retrieve data etc.Touch-screen 6 comprises liquid crystal touch screen, input circuit and display circuit, and input circuit is an outer input interface, response touch-screen order input; Display circuit is outside output interface, may command liquid crystal touch screen content displayed.
See Fig. 2, the rotary island air navigation aid of the navigating instrument of present embodiment comprises the steps:
B, before arriving the destination, the CPU element in the navigating instrument is calculated the distance of current location to next prompting point; Until when this distance during, judge whether this prompting point is rotary island (being step 12-15 among Fig. 2) less than predetermined threshold value 1.5Km (among other embodiment, can be 0.5 arbitrary value to 5Km).Described prompting point comprises rotary island, intersection, road corner, unidirectional enforcement highway section, speed limit highway section etc.
If not rotary island, then being exclusively used in the touch-screen shows that the zone of expanded view directly shows the expanded view (being step 19 among Fig. 2) of this prompting point, until by this prompting point the time, touch-screen returns to the state (being step 20 and 11 among Fig. 2) of described optimum path of navigation of normal demonstration and current location.
If rotary island, then CPU element reads the entranceway orientation and the peripheral path data of rotary island in the map data base earlier, calculate the slogan position then, calculate the engineer's scale that is suitable for the whole rotary island of screen displaying and the center of rotary island again, last CPU element control touch-screen is the center shows this rotary island by described engineer's scale in the zone that is exclusively used in the demonstration expanded view a expanded view (being step 16-19 among Fig. 2) with the center of this rotary island, when CPU element recorded carrier by this rotary island according to gps signal, touch-screen returned to the state (being step 20 and 11 among Fig. 2) of described optimum path of navigation of normal demonstration and current location.
C, CPU element continue to calculate current location to be pointed out the distance of point and repeats above-mentioned steps B to next, and until arriving the destination, navigation finishes (being step 12 and 21 among Fig. 2).
See Fig. 3, among the described step B, when the engineer's scale of the CPU element calculating demonstration rotary island in the navigating instrument and center, get in the rotary island arbitrary highway section between each outlet earlier as initial highway section (being step 30 among Fig. 3), search next highway section of linking to each other with this initial highway section then counterclockwise as second highway section, and then search next highway section that links to each other with this second highway section counterclockwise, node until tail node that finds a highway section and described initial highway section coincides, and promptly draws the ellipse of being made up of described each highway section (being step 31-32 among Fig. 3); Calculate the boundary rectangle of this rotary island then, get the 1/2 long and 1/2 wide center (being step 33-34 among Fig. 3) that draws rectangle of this rectangle; With this center is the center of described expanded view, and expanded view is carried out convergent-divergent, determines engineer's scale, so that be used for showing the engineer's scale complete demonstration whole rotary island (be Fig. 3 step 35) of the zone of expanded view with maximum on the touch-screen.
See Fig. 4 and Fig. 8, when showing rotary island with expanded view, CPU element is searched the node that rotary island links to each other with non-rotary island counterclockwise along rotary island footpath be that rotary island exports, and number consecutively (being respectively 1,2 and 3 among Fig. 8) is up to the outlet of rotary island, and the numbering color of the outlet of the rotary island on described optimum path of navigation is different from the numbering color (being step 40-42 among Fig. 4) of other rotary island outlets, be among Fig. 8 outlet numbering 1 and 2 for yellow, and outlet numbering 3 be blueness.
As Fig. 8, the bottom of expanded view shows the distance of current location apart from junction ahead (being the rotary island inlet among Fig. 8), and as 150m, the right side of expanded view shows progress bar simultaneously, begins to show this progress bar in the time of can being set to apart from junction ahead 300m.
See Fig. 5-6, when showing same rotary island, can select to show in the Northern Dynasties or, wherein label 8 is from car position, i.e. current location from car up with expanded view; Letter N and label be 9 arrow be combined as the expression direct north.
When showing rotary island with expanded view, if this rotary island above or below have the road of other different aspects, then only show current rotary island map, do not show the road of other different aspects.
See Fig. 7, on the actual map, with the rotary island different aspects on may have other roads 7, and when showing rotary island with expanded view, only displayed map 5 or Fig. 6, and not in the displayed map 7 with the road 7 of rotary island in different aspects.CPU element 1 is judged the navigating instrument carrier on rotary island according to the highway section at current location place, has effectively avoided guiding to make mistakes.
Claims (5)
1, a kind of rotary island air navigation aid of navigating instrument comprises the steps:
CPU element in A, the navigating instrument is surveyed current location according to the gps signal that gps receiver receives, and reads in the map data base and the corresponding map datum of current location, and by screen displaying and the corresponding map of current location; The user sets starting point and destination by the touch-screen of navigating instrument, the CPU element map datum in the database according to the map calculates the optimum path of navigation of described starting point to the destination, then should the optimum path of navigation by screen displaying and begin the route guidance process;
B, before arriving the destination, the CPU element in the navigating instrument is calculated the distance of current location to next prompting point; Until when this distance during, judge whether this prompting point is rotary island less than predetermined threshold value;
If not rotary island, then touch-screen directly shows the expanded view of this prompting point, and until by this prompting point the time, touch-screen returns to the state of described optimum path of navigation of normal demonstration and current location;
If rotary island, then CPU element reads the entranceway orientation and the peripheral path data of rotary island in the map data base earlier, calculate the slogan position then, calculate the engineer's scale that is suitable for the whole rotary island of screen displaying and the center of rotary island again, last CPU element control touch-screen is center and the expanded view that shows this rotary island by described engineer's scale with the center of this rotary island, when CPU element recorded by this rotary island according to gps signal, touch-screen returned to the state of described optimum path of navigation of normal demonstration and current location;
C, CPU element continue to calculate current location to be pointed out the distance of point and repeats above-mentioned steps B to next, and navigation finishes when arriving the destination.
2, the rotary island air navigation aid of navigating instrument according to claim 1, it is characterized in that: among the described step B, when the engineer's scale of the CPU element calculating demonstration rotary island in the navigating instrument and center, get in the rotary island arbitrary highway section between each outlet earlier as initial highway section, search next highway section of linking to each other with this initial highway section then counterclockwise as second highway section, and then search next highway section that links to each other with this second highway section counterclockwise, node until tail node that finds a highway section and described initial highway section coincides, and promptly draws the ellipse of being made up of described each highway section; Calculate the boundary rectangle of this rotary island then, get the 1/2 long and 1/2 wide center that draws rectangle of this rectangle; With this center is the center of described expanded view, and expanded view is carried out convergent-divergent, determines engineer's scale, so that be used to show the engineer's scale complete demonstration whole rotary island of the zone of expanded view with maximum on the touch-screen.
3, the rotary island air navigation aid of navigating instrument according to claim 2, it is characterized in that: when showing rotary island with expanded view, CPU element is searched the node that rotary island links to each other with non-rotary island counterclockwise along rotary island footpath be that rotary island exports, and number consecutively is up to the outlet of rotary island, and the numbering color of the outlet of the rotary island on described optimum path of navigation is different from the numbering color of other rotary islands outlets.
4, the rotary island air navigation aid of navigating instrument according to claim 1 is characterized in that: when showing rotary island with expanded view, can select to show in the Northern Dynasties or from car up.
5, the rotary island air navigation aid of navigating instrument according to claim 1, it is characterized in that: when showing rotary island with expanded view, if there is the road of other different aspects above or below this rotary island, then only show current rotary island map, do not show the road of other different aspects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100215018A CN101046382B (en) | 2007-04-27 | 2007-04-27 | Circular navigation method for navigation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100215018A CN101046382B (en) | 2007-04-27 | 2007-04-27 | Circular navigation method for navigation instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101046382A true CN101046382A (en) | 2007-10-03 |
| CN101046382B CN101046382B (en) | 2010-07-21 |
Family
ID=38771178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100215018A Expired - Fee Related CN101046382B (en) | 2007-04-27 | 2007-04-27 | Circular navigation method for navigation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101046382B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825473A (en) * | 2010-04-02 | 2010-09-08 | 北京四维图新科技股份有限公司 | Navigation method and navigation system |
| CN104075729A (en) * | 2013-03-29 | 2014-10-01 | 高德软件有限公司 | Method, device and terminal device for displaying electronic map |
| CN104408959A (en) * | 2014-10-27 | 2015-03-11 | 小米科技有限责任公司 | Prompting method and apparatus, and terminal |
| CN105091899A (en) * | 2014-05-05 | 2015-11-25 | 昆达电脑科技(昆山)有限公司 | Navigation turning prompting method |
| CN108489506A (en) * | 2018-03-02 | 2018-09-04 | 百度在线网络技术（北京）有限公司 | A kind of display methods, device, terminal and the medium of crossing enlarged drawing |
| CN111693062A (en) * | 2020-06-11 | 2020-09-22 | 北京百度网讯科技有限公司 | Method and device for navigation of roundabout route, electronic equipment and storage medium |
| CN112699191A (en) * | 2020-12-22 | 2021-04-23 | 北京百度网讯科技有限公司 | Map marking method and device, electronic equipment and readable storage medium |
| CN112797993A (en) * | 2019-11-14 | 2021-05-14 | 阿里巴巴集团控股有限公司 | Method, device and storage medium for determining maximum likelihood path |
| CN112923935A (en) * | 2021-01-28 | 2021-06-08 | 腾讯科技（深圳）有限公司 | Method, device and equipment for drawing roundabout route and storage medium |
| CN115235494A (en) * | 2022-07-19 | 2022-10-25 | 南京四维智联科技有限公司 | Roundabout road section guiding method, device, equipment and storage medium |
| CN116295503A (en) * | 2023-05-11 | 2023-06-23 | 江苏泽景汽车电子股份有限公司 | Navigation information generation method and device, electronic equipment and storage medium |
| WO2023201954A1 (en) * | 2022-04-21 | 2023-10-26 | 合众新能源汽车股份有限公司 | Roundabout path planning method and apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003109185A (en) * | 2001-09-27 | 2003-04-11 | Fujitsu Ten Ltd | On-vehicle information communication device |
| JP4148232B2 (en) * | 2005-03-22 | 2008-09-10 | 株式会社デンソー | Route guidance device |
-
2007
- 2007-04-27 CN CN2007100215018A patent/CN101046382B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825473A (en) * | 2010-04-02 | 2010-09-08 | 北京四维图新科技股份有限公司 | Navigation method and navigation system |
| CN101825473B (en) * | 2010-04-02 | 2012-05-23 | 北京四维图新科技股份有限公司 | Navigation method and navigation system |
| CN104075729A (en) * | 2013-03-29 | 2014-10-01 | 高德软件有限公司 | Method, device and terminal device for displaying electronic map |
| CN104075729B (en) * | 2013-03-29 | 2017-02-08 | 高德软件有限公司 | Method, device and terminal device for displaying electronic map |
| CN105091899A (en) * | 2014-05-05 | 2015-11-25 | 昆达电脑科技(昆山)有限公司 | Navigation turning prompting method |
| CN104408959A (en) * | 2014-10-27 | 2015-03-11 | 小米科技有限责任公司 | Prompting method and apparatus, and terminal |
| CN108489506A (en) * | 2018-03-02 | 2018-09-04 | 百度在线网络技术（北京）有限公司 | A kind of display methods, device, terminal and the medium of crossing enlarged drawing |
| CN112797993A (en) * | 2019-11-14 | 2021-05-14 | 阿里巴巴集团控股有限公司 | Method, device and storage medium for determining maximum likelihood path |
| CN111693062A (en) * | 2020-06-11 | 2020-09-22 | 北京百度网讯科技有限公司 | Method and device for navigation of roundabout route, electronic equipment and storage medium |
| CN112699191A (en) * | 2020-12-22 | 2021-04-23 | 北京百度网讯科技有限公司 | Map marking method and device, electronic equipment and readable storage medium |
| CN112923935A (en) * | 2021-01-28 | 2021-06-08 | 腾讯科技（深圳）有限公司 | Method, device and equipment for drawing roundabout route and storage medium |
| WO2023201954A1 (en) * | 2022-04-21 | 2023-10-26 | 合众新能源汽车股份有限公司 | Roundabout path planning method and apparatus |
| CN115235494A (en) * | 2022-07-19 | 2022-10-25 | 南京四维智联科技有限公司 | Roundabout road section guiding method, device, equipment and storage medium |
| CN116295503A (en) * | 2023-05-11 | 2023-06-23 | 江苏泽景汽车电子股份有限公司 | Navigation information generation method and device, electronic equipment and storage medium |
| CN116295503B (en) * | 2023-05-11 | 2023-08-08 | 江苏泽景汽车电子股份有限公司 | Navigation information generation method and device, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101046382B (en) | 2010-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101046382A (en) | Circular navigation method for navigation instrument | |
| US7353111B2 (en) | Navigation system performing route guidance for vehicle | |
| CN1288424C (en) | Vehicle navigation system for priority of auto-running road | |
| US8818694B2 (en) | Method for detecting a traffic zone | |
| US8346473B2 (en) | Lane determining device, lane determining method and navigation apparatus using the same | |
| CN108974009A (en) | Method, medium and system for automatic Pilot control | |
| CN102032911B (en) | Vehicle navigation method, system and computer program product | |
| EP2541208B1 (en) | Travel guidance apparatus, travel guidance method, and computer program product | |
| US20080027637A1 (en) | Device and program product for controlling map display | |
| CN108973990A (en) | Method, medium and system for automatic Pilot control | |
| CN101046384A (en) | Phonetic prompt method of navigation instrument | |
| RU2004103827A (en) | NAVIGATION SYSTEM AND METHOD OF ITS WORK | |
| CN101334287A (en) | Vehicle-position-recognition apparatus and vehicle-position-recognition program | |
| EP2549232A2 (en) | Travel guidance system, travel guidance method, and computer program product | |
| WO2017118744A1 (en) | Componentized junction models | |
| CN103076020A (en) | Navigation device | |
| CN102313554A (en) | Onboard navigation system | |
| US20200209007A1 (en) | Lane guidance system and lane guidance program | |
| CN102252683A (en) | Method for representing curve progression on display device and driver information system | |
| CN1825059A (en) | Fuzzy navigation method and system based on position | |
| CN1795366A (en) | On-board navigation system with a route preview and guiding instructions | |
| JP2004340826A (en) | Navigation system | |
| JP3283146B2 (en) | Car navigation system | |
| JP6729530B2 (en) | Route setting device | |
| JP2007163437A (en) | Navigation system and route guide method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU HUAKE NAVIGATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGSU SHINCO DIGITAL TECHNOLOGY CO., LTD. Effective date: 20080321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080321 Address after: Address 8, Taihu West Road, Xinbei District, Jiangsu, Changzhou: 213011 Applicant after: Jiangsu Huake GPS Technology Co., Ltd. Address before: Hutang town Wujin District Jiangsu city Changzhou Province ancient road No. 1 post encoding: 213000 Applicant before: Jiangsu Shinco Digital Technology Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20150427 |
|
| EXPY | Termination of patent right or utility model |