CN105091899A - Navigation turning prompting method - Google Patents
Navigation turning prompting method Download PDFInfo
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- CN105091899A CN105091899A CN201410186607.3A CN201410186607A CN105091899A CN 105091899 A CN105091899 A CN 105091899A CN 201410186607 A CN201410186607 A CN 201410186607A CN 105091899 A CN105091899 A CN 105091899A
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- CN
- China
- Prior art keywords
- turning
- navigation
- current location
- steps
- distance
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3632—Guidance using simplified or iconic instructions, e.g. using arrows
Abstract
The invention provides a navigation turning prompting method. The method comprises the following steps: step a, obtaining the current position of a vehicle in a navigation route and a first turning position in front of the current position in the driving direction in the navigation route; step b, calculating the value (X) of distance between the current position and the first turning position; step c, judging whether the value (X) is less than a preset value (A) and more than a preset value (B) at the same time, if the result is positive, executing the step d, if the result is negative, returning to the step a; step d, according to the inverse relationship between the value (X) and a turning prompting area, obtaining a color filling ratio (Y%), and filling an alarming color into a turning prompting frame from one end to the other end according to the color filling ratio (Y%). Through the steps mentioned above, a user can directly judge distance between the next turning position and current position according to the color change in the prompting frame and thus can prepare for the turning in advance.
Description
Technical field
The present invention is a kind of navigation turning prompting method.
Background technology
Current navigation screen can provide usually two promptings of turning, walk at present respectively and can run into, and next direction of turning, sometimes on highway/through street, car current location is from turning point far (more than 30 kilometers and so on), next turning point may be farther again, there is provided turning to be prompted to driving too early and can cause driving illusion, even if think and turn just nearby. be aided with and mileage information is provided, driving must read numeral in advancing, diverting one's attention of driving can be caused, and some product can continue the prompt providing craspedodrome, or do not provide prompting, until driving enters within the distance of setting, start the prompting that turning is provided again, still need to drive the change judging prompting pattern.
In view of this, the invention provides a kind of navigation turning prompting method, it can allow user from the change of prompting frame, directly judge the distance of the relative current position of next turning position, and carrying out in time turns prepares.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of navigation turning prompting method, and it can allow user from the change of prompting frame, directly judge the distance of the relative current position of next turning position, and carrying out in time turns prepares.
For reaching above-mentioned purpose, the invention provides a kind of navigation turning prompting method, it comprises the following steps:
A. obtain the current location of vehicle in guidance path, and in guidance path, be positioned on vehicle heading first turning position in current location front;
B. the distance value X of described current location apart from described first turning position is calculated;
C. judge whether the distance value X between described current location and described first turning position is less than a preset value A and is greater than a preset value B, if so, then performs steps d, if not, then returns step a;
D. the relation pointing out region and the distance X to described first turning position to be inversely proportional to according to turning obtains the ratio Y% that colors in, and inserts a kind of warning look according to this ratio Y% that colors in one end to the other end of the picture of a turning prompting frame.
Preferably, in steps d, described in color in ratio Y%=(X-B)/(A-B) * 100%.
Preferably, in steps d, described in color in ratio Y% adopt logarithmic calculate.
Preferably, after step c, following steps are comprised further:
E. judge whether described current location is less than or equal to described preset value B, if so, then perform step f, if otherwise return step c; And
F. voice broadcast is turned and is reminded.
Compared with prior art, the present invention plants navigation turning prompting method, it represents the distance of the next turning position of vehicle distances in turning prompting frame with a kind of color being different from background by above-mentioned steps flow process, thus can allow user from the change of prompting frame, directly judge the distance of the relative current position of next turning position, carrying out in time turns prepares, carry out Voice Navigation while preparing when carrying out user turning in addition, avoid user to cause owing to not paying close attention to navigation screen in time not doing in time to turn to prepare.
[accompanying drawing explanation]
Fig. 1 is the present invention's one navigation turning prompting method process flow diagram.
Fig. 2 is the difference turning prompting frame that navigation turning prompting method produces.
[embodiment]
Refer to shown in Fig. 1, its flow chart of steps being a kind of turning prompting method one preferred embodiment of navigating of the present invention, realization of the present invention is based on the prompting frame in existing navigation screen, there is in described prompting frame the direction showing ensuing turning, as shown in Figure 1, the present invention's turning prompting method one preferred embodiment of navigating comprises following steps:
Step 100. obtains the current location of vehicle in guidance path, and is positioned on vehicle heading first turning position in current location front in guidance path.
Step 200: calculate the distance value X on direct of travel of described current location apart from described first turning position.
Step 300: judge whether the distance value X between described current location and described first turning position is less than a preset value A and is greater than a preset value B, (described preset value A is set as that user must know that there is turning in front, and preset value B be set as user must start for turn prepare) if, then perform step 400, if not, then return step 100, the large I of described preset value A is according to actual needs sets itself.
Step 400: the relation pointing out region and the distance X to described first turning position to be inversely proportional to according to turning obtains the ratio Y% that colors in, and (be not limited to left and right according to this ratio Y% that colors in one end of the picture of a turning prompting frame, also can up and down) insert a kind of look of warning for reminding turning position from the distance of current position to the other end, in the present embodiment, described warning look is for black, namely to insert black in turning prompting frame, the described ratio Y%=(X-B that colors in)/(A-B) * 100%, employing linear mode calculates, logarithmic can certainly be adopted to calculate, this is not restricted, as shown in Figure 2, in the present embodiment, example is prompted for the turning of highway, when in highway, described A value can be set to 33 kilometers, that is when distance first turns rainy 33 kilometers of distance time, just in navigation screen, there will be turning prompting frame, described B value can be set to 5 kilometers, when X is 33 kilometers, then color in ratio Y%=(33-3)/(33-3)=100%, then as the turning prompting frame C in Fig. 2, that is the background color in prompting frame C is its basic look, in the present embodiment for white, and when X is 18 kilometers, then color in ratio Y%=(18-3)/(33-3)=50%, then as the turning prompting frame D in Fig. 2, that is the black half of background color half in prompting frame D, and when X is 3 kilometers, that is when distance turning position only has 3 kilometers, then color in ratio Y%=(3-3)/(33-3)=0, then as the turning prompting frame E in Fig. 2, whole turning prompting frame E background is all cracked down upon evil forces, then now user can make preparation of turning.
Step 500: judge whether described current location is less than or equal to described preset value B, if so, then performs step 600, if otherwise return step 300.
Step 600: voice broadcast is turned and reminded: when namely the distance of above-mentioned preset value B is the distance as the described preset value B that turns apart from described first, Voice Navigation starts, uses the mode reminding user of voice broadcast to carry out turning and prepares.
By above-mentioned steps of the present invention, also in navigation screen, a less turning prompting frame can be provided to second turning under direct of travel first is turned, and this less turning prompting frame employing method is same as the above-mentioned method, therefore be not described further at this.
In sum, the various embodiments described above and diagram are only the preferred embodiment of the present invention, but can not with the scope of restriction the invention process, the equalization change namely generally done according to the present patent application the scope of the claims with modify, all should be covered by the present invention within the scope of the patent.
Claims (4)
1. navigate a turning prompting method, it is characterized in that comprising the following steps:
A. obtain the current location of vehicle in guidance path, and in guidance path, be positioned on vehicle heading first turning position in current location front;
B. the distance value X of described current location apart from described first turning position is calculated;
C. judge whether the distance value X between described current location and described first turning position is less than a preset value A and is greater than a preset value B, if so, then performs steps d, if not, then returns step a; And
D. the relation pointing out region and the distance X to described first turning position to be inversely proportional to according to turning obtains the ratio Y% that colors in, and inserts a kind of warning look according to this ratio Y% that colors in one end to the other end of the picture of a turning prompting frame.
2. navigation turning prompting method according to claim 1, is characterized in that, in steps d, described in color in ratio Y%=(X-B)/(A-B) * 100%.
3. navigation turning prompting method according to claim 1, is characterized in that, in steps d, described in color in ratio Y% adopt logarithmic calculate.
4. navigation turning prompting method according to claim 1, is characterized in that comprising following steps further after step c
E. judge whether described current location is less than or equal to described preset value B, if so, then perform step f, if otherwise return step c; And
F. voice broadcast is turned and is reminded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186607.3A CN105091899A (en) | 2014-05-05 | 2014-05-05 | Navigation turning prompting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186607.3A CN105091899A (en) | 2014-05-05 | 2014-05-05 | Navigation turning prompting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105091899A true CN105091899A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410186607.3A Pending CN105091899A (en) | 2014-05-05 | 2014-05-05 | Navigation turning prompting method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046382A (en) * | 2007-04-27 | 2007-10-03 | 江苏新科数字技术有限公司 | Circular navigation method for navigation instrument |
| CN101493331A (en) * | 2008-01-23 | 2009-07-29 | 厦门雅迅网络股份有限公司 | Map vector data displaying method in network navigation of mobile phone |
| CN103185600A (en) * | 2011-12-30 | 2013-07-03 | 上海博泰悦臻电子设备制造有限公司 | Navigation system, and navigation method and device |
| CN103278172A (en) * | 2013-05-31 | 2013-09-04 | 深圳市凯立德科技股份有限公司 | Intersection inducing method and positioning and navigating equipment |
| JP2014202707A (en) * | 2013-04-09 | 2014-10-27 | 矢崎エナジーシステム株式会社 | In-vehicle device |
-
2014
- 2014-05-05 CN CN201410186607.3A patent/CN105091899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046382A (en) * | 2007-04-27 | 2007-10-03 | 江苏新科数字技术有限公司 | Circular navigation method for navigation instrument |
| CN101493331A (en) * | 2008-01-23 | 2009-07-29 | 厦门雅迅网络股份有限公司 | Map vector data displaying method in network navigation of mobile phone |
| CN103185600A (en) * | 2011-12-30 | 2013-07-03 | 上海博泰悦臻电子设备制造有限公司 | Navigation system, and navigation method and device |
| JP2014202707A (en) * | 2013-04-09 | 2014-10-27 | 矢崎エナジーシステム株式会社 | In-vehicle device |
| CN103278172A (en) * | 2013-05-31 | 2013-09-04 | 深圳市凯立德科技股份有限公司 | Intersection inducing method and positioning and navigating equipment |
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Application publication date: 20151125 |
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