CN101078631A - Target path access prompt method - Google Patents
Target path access prompt method Download PDFInfo
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- CN101078631A CN101078631A CN 200610035640 CN200610035640A CN101078631A CN 101078631 A CN101078631 A CN 101078631A CN 200610035640 CN200610035640 CN 200610035640 CN 200610035640 A CN200610035640 A CN 200610035640A CN 101078631 A CN101078631 A CN 101078631A
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Abstract
The invention relates to a method for clueing on entering target path, comprising following procedures. Firstly, an establishment index is provided at the connection of current path and target path and the establishment index is uses as datum mark of speech hint. Subsequently, it is determined if the actual distance between current position and the datum mark of speech hint is shorter than or equal to the distance of speech hint. Then, when the actual distance between the current position and the datum mark of speech hint is shorter than or equal to the distance of speech hint, speed hint information is emitted as the hint of correct entering target path.
Description
[technical field]
The invention relates to a kind of target path access prompt method, and particularly only be provided with on the overpass of a facility index relevant for a kind of in the past, crossing in each overpass and highway all is provided with the facility index, so that guider can send correct information of voice prompt.
[background technology]
Progress along with the epoch, making rapid progress of information, and the appearance of various running gears can help people more convenient on deal with data and transmission information, and running gear can be mobile computer (NoteBook, abbreviation NB), hand-held palmtop computer (Handheld PC, abbreviation HPC), all kinds of devices such as intelligent mobile phone (Smart Phone), personal digital assistant (Personal Digital Assistant is called for short PDA), pocket computing machine (Pocket PC) and mobile phone.
More and more Xian Jin running gear all has Global Positioning System (GPS) (Global PositioningSystem abbreviates GPS as), and guider is used in collocation, in screen, show location message, and be used for car, the direction guiding when driving as the driver.
In the employed electronic chart of guider, many facility indexs (POI, Point ofInterest) are arranged, for example indicate sight spot, dining room, hospital, refuelling station or overpass etc.
The setting of the facility index of overpass traditionally, in the Voice Navigation application of guider, many puzzlements are arranged, for example be to be used as reference point, in the estimation of distance, have suitable error, and the situation that is not inconsistent with actual road conditions can take place aspect voice instruction with traditional facility index.For example the map with southern peach garden overpass shown in Figure 1 is an example.In Fig. 1, as present actual road location 100, and the facility index of the southern peach garden overpass on the guider be provided with the place for Fig. 1 120.Therefore, the path of being planned before the user is for by the 110 times overpasses in overpass exit position the time, in known technology, guider will be provided with place 120 as the voice suggestion reference point with the facility pointer, that is the distance that with the facility pointer place 120 is set when actual road location 100 smaller or equal to voice suggestion apart from the time, guider will give voice suggestion, leave overpass with the guiding user.
Because there are a plurality of outlets in regular meeting or even are connected to other through street in overpass, and the facility index that an overpass normally only is set on guider at present is provided with place 120.(outlet that promptly has is before the facility index is provided with place 120 to such configuration result, have after the facility index is provided with place 120) will cause the guiding of guider to go wrong, and cause driver's puzzlement and doubt, thereby miss the opportunity of leaving overpass, also cause the situation that detours, spends more the time to take place.In addition, the user Ordinary Rd will be on overpass during highway also regular meeting miss the situation of overpass sluice gate.
[summary of the invention]
Purpose of the present invention is providing a kind of target path access prompt method exactly, and it is that utilization all is provided with the facility index in each gateway of comparatively complicated road, so that the user of guider can obtain correct voice suggestion.
Purpose of the present invention is providing a kind of facility index method to set up exactly, and it is to utilize the present path and the figure layer of destination path to separate, and finds out its junction then and is used as the facility index.
The present invention proposes a kind of target path access prompt method, be applicable to that the present path by current position enters this destination path, and the target path access prompt method step is at first providing a facility index in a present junction of path and destination path, and with this facility pointer as the voice suggestion reference point.Then, judge that whether the actual range of current position and voice suggestion reference point is smaller or equal to the voice suggestion distance.Then, when the actual range of current position and voice suggestion reference point smaller or equal to voice suggestion apart from the time, then send information of voice prompt with the target approach path.
Described according to preferred embodiment of the present invention, the above-mentioned junction at present path and destination path provides the step of facility index at first taking out electronic chart.Then, on electronic chart, be the first figure layer and be the second figure layer with destination path with present path.Then, go out most point of crossing with the destination path of the present path of the first figure layer and the second figure layer is corresponding, and one of them is the junction with most point of crossing, so that the facility index to be provided.
According to the described target path access prompt method of preferred embodiment of the present invention, more comprise when the actual range of current position and voice suggestion reference point greater than voice suggestion apart from the time, then continue to judge that whether the actual range of current position and voice suggestion reference point is smaller or equal to the voice suggestion distance.
Described according to preferred embodiment of the present invention, above-mentioned present path is an Ordinary Rd, and then destination path is an overpass.
Described according to preferred embodiment of the present invention, above-mentioned present path is a highway, and then destination path is an overpass.
Described according to preferred embodiment of the present invention, above-mentioned current position is the position that Global Positioning System (GPS) (GPS) is detected when being activated.
The present invention proposes a kind of facility index method to set up, is applicable to present path by current position via target approach path, a junction, and this facility pointer method to set up is at first taking out electronic chart.Then, on electronic chart, be the first figure layer and be the second figure layer with destination path with present path.Then, go out most point of crossing with the destination path of the present path of the first figure layer and the second figure layer is corresponding, and one of them is the junction with those point of crossing, so that the facility index to be set.
Described according to preferred embodiment of the present invention, above-mentioned junction is for connecting present path and destination path.
The present invention is because of adopting facility index with the overpass that increases as the foundation of accurately leaving or entering overpass, so when using guider, can correct estimation enter or leave the actual range of overpass, and on voice, make correct prompting, need not worry the situation that voice guide and actual road conditions are not inconsistent.
For purpose of the present invention, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is the map that illustrates southern peach garden overpass.
Fig. 2 is the electronic chart that illustrates the southern peach garden overpass of a preferred embodiment of the present invention.
Fig. 3 is a kind of target path access prompt method process flow diagram that illustrates a preferred embodiment of the present invention.
Fig. 4 is a kind of facility index method to set up process flow diagram that is proposed at Fig. 3 step S310 that illustrates a preferred embodiment of the present invention.
[embodiment]
In order to make embodiments of the invention clearer, be example with the map of the southern peach garden overpass that Fig. 2 was illustrated, target path access prompt method of the present invention is described.
Please refer to Fig. 2, in first embodiment, destination path is an overpass 220, and the path is three section 210 at West Road, Daxing at present, and the position of driving a vehicle and being detected when being activated for Global Positioning System (GPS) (GPS) to current position A point.
Please refer to Fig. 3, it is the target path access prompt method process flow diagram that illustrates a preferred embodiment of the present invention, and collocation Fig. 2 illustrates it.At first, the junction 200 that guider can enter overpass 220 for three section 210 on the Daxing road provides a facility index, and with this facility pointer as voice suggestion reference point (S310).
Then, guider can judge that whether the actual range of current position and voice suggestion reference point is smaller or equal to voice suggestion distance (S320), for example the default voice suggestion distance of guider is 300 meters, when the actual range after guider calculates is 250 meters, guider will send information of voice prompt, prompting " the place ahead 250 meters come in go into overpass " (S330), and because driving can be more and more near junction 200, then detect different position correction actual ranges, will obtain correct voice suggestion like this and can not miss the opportunity that enters overpass according to GPS.
If the actual range of current position and voice suggestion reference point greater than voice suggestion apart from the time, for example the voice suggestion distance is 300 meters, actual range is 400 meters, whether then can get back to actual range that step S320 continues to judge current position and voice suggestion reference point smaller or equal to the voice suggestion distance, up to actual range smaller or equal to the voice suggestion distance.
In a second embodiment, destination path is an overpass 250, the path is a high road highway 230 at present, and the position of driving a vehicle and when current position B point is activated for GPS, being detected, in like manner, its method step is at first, and guider provides a facility index (S310) in the junction 240 of high road highway 230 and overpass 250.
Secondly, guider can calculate the actual range (for example actual range is 250 meters) that this facility pointer and current position B are ordered, then judge (S320) less than voice suggestion distance (for example the voice suggestion distance is 300 meters), and send correct voice suggestion (S330), remind and drive " overpass please be left for 250 meters in the place ahead ".
Therefore, the present invention proposes a kind of facility index method to set up, please refer to Fig. 4, and Fig. 4 is a kind of facility index method to set up that is proposed at Fig. 3 step S310 that illustrates a preferred embodiment of the present invention.The method is an electronic chart (S410) that takes out earlier in the guider.Then, on electronic chart, be the first figure layer and be the second figure layer (S420) with destination path with present path.For example be with the Daxing West Road be that the first figure layer and overpass 220 are the second figure layer for three section 210.
Then, corresponding to go out most individual point of crossing (for example be 200 with the second figure layer of the first figure layer at three section 210 at West Road, Daxing and overpass 220,202,204,206 and 208), and with most point of crossing one of them is the junction, promptly be that the point of crossing (promptly 202 that can not be entered overpass 220 by the West Road, Daxing for three section 210 is rejected in most point of crossing, 204,206,208 and 209), remaining be the junction (promptly 200) that the West Road, Daxing can enter overpass 220 for three section 210, and this junction is provided with facility index (S430), so that guider required facility index when the Way guidance to be provided.
In preferred embodiment of the present invention, it is that highway and overpass are made as same figure layer, and the Ordinary Rd that is connected with overpass is made as another figure layer.In such cases, do not need in advance in ground chart display facility index, and can be on the road when planning through computing find out the junction of process, increasing by a facility pointer in temporary mode in this point again provides correct voice suggestion.
In the preferred embodiment of the present invention, the facility index method to set up that top embodiment mentioned, allly know that this skill person can one of them be made as the junction with most point of crossing easily, and the method can be applied in and for example not be to use the person that the facility index of destination path (overpass) need be set automatically, but not as limit.
In sum, in the present invention because of adopting target path access prompt method, therefore at more and more running gears, the correct prompting that enters or leave destination path (overpass) can be on voice, made, the situation that information of voice prompt and actual road conditions are not inconsistent need not be worried with guider.And because of the mode of utilization figure layer is found out the junction that the facility index is set automatically, the convenient convenience that the facility index is set.
Claims (11)
1. a target path access prompt method is applicable to that the present path by a current position enters this destination path, it is characterized in that this target path access prompt method comprises:
Provide a facility index in a junction of this present path and this destination path, and be a voice suggestion reference point with this facility pointer;
Smaller or equal to voice suggestion distance whether a actual range that to judge this current position and this voice suggestion reference point; And
When this actual range of this current position and this voice suggestion reference point smaller or equal to this voice suggestion apart from the time, then send an information to enter this destination path.
2. target path access prompt method as claimed in claim 1 is characterized in that, provides the step of this facility index to comprise in this junction of this present path and this destination path:
Take out an electronic chart;
On this electronic chart, be one first figure layer and be one second figure layer with this destination path with this present path; And
Go out most point of crossing with this first figure layer is corresponding with this second figure layer, and one of them is this junction with those point of crossing, so that this facility index to be provided.
3. target path access prompt method as claimed in claim 1, it is characterized in that, more comprise when this actual range of this current position and this voice suggestion reference point greater than this voice suggestion apart from the time, then continue to judge that whether this actual range of this current position and this voice suggestion reference point is smaller or equal to this voice suggestion distance.
4. target path access prompt method as claimed in claim 1 is characterized in that, this present path is an Ordinary Rd, and this destination path then is an overpass.
5. target path access prompt method as claimed in claim 1 is characterized in that, this present path is a highway, and this destination path then is an overpass.
6. target path access prompt method as claimed in claim 1 is characterized in that, this current position is the position that Global Positioning System (GPS) (GPS) is detected when being activated.
7. target path access prompt method as claimed in claim 1 is characterized in that, this information is an information of voice prompt.
8. a facility index method to set up is applicable to that the present path by a current position enters this destination path via a junction, it is characterized in that this facility pointer method to set up comprises:
Take out an electronic chart;
On this electronic chart, be one first figure layer and be one second figure layer with this destination path with this present path; And
Go out most point of crossing with this first figure layer is corresponding with this second figure layer, and one of them is this junction with those point of crossing, so that this facility index to be set.
9. facility index method to set up as claimed in claim 8 is characterized in that, this junction is to connect this present path and this destination path.
10. facility index method to set up as claimed in claim 8 is characterized in that this present path is an Ordinary Rd, and this destination path then is an overpass.
11. facility index method to set up as claimed in claim 8 is characterized in that this present path is a highway, this destination path then is an overpass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610035640 CN101078631A (en) | 2006-05-26 | 2006-05-26 | Target path access prompt method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610035640 CN101078631A (en) | 2006-05-26 | 2006-05-26 | Target path access prompt method |
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|---|---|
| CN101078631A true CN101078631A (en) | 2007-11-28 |
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| CN 200610035640 Pending CN101078631A (en) | 2006-05-26 | 2006-05-26 | Target path access prompt method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525517A (en) * | 2016-10-09 | 2017-12-29 | 腾讯科技（深圳）有限公司 | voice broadcast method and device |
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- 2006-05-26 CN CN 200610035640 patent/CN101078631A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525517A (en) * | 2016-10-09 | 2017-12-29 | 腾讯科技（深圳）有限公司 | voice broadcast method and device |
| CN107525517B (en) * | 2016-10-09 | 2019-01-08 | 腾讯科技（深圳）有限公司 | voice broadcast method and device |
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Open date: 20071128 |