CN102607583A - Method for obtaining real-time weather condition in travel line - Google Patents

Abstract

The invention discloses a method for obtaining real-time weather condition in a travel line. The method comprises the following steps of: obtaining the travel line by means of an automobile navigator, recording administrative regions along the travel line, and calculating the real-time moment when the automobile runs into the corresponding administrative region, and then obtaining the weather forecast at the real-time moment when the automobile runs into the corresponding administrative region by means of WebService service, then displaying the weather forecast on the display screen of the automobile navigator. The method overcomes the technical current situation that the weather information can be only inquired by point by combining the 3G (3-Generation) communication technology, the navigation technology and the WebService technology together; therefore, the users can obtain the weather information at the passing moment in each region along the travel line quickly and efficiently, thereby providing reference for safe driving conveniently.

Description

A kind of method that obtains weather conditions in real time on the driving route

Technical field

The present invention relates to the automobile navigation instrument application, obtain the driving route method and system of the weather forecast information of each point on the way in real time particularly being utilized in the GPS navigation system from current point to the destination driving process.

Background technology

Usually; Still the be unrealized 3G function of surfing the Net of navigation product of traditional automatic navigator user; Therefore it is very limited that traditional automatic navigator can offer user's service; When the user was on the vehicles, the vehicles resembled an information island, and all outside contact modes of user can only rely on and dial mobile phone, the mode of listen to the radio programme radio station or short message realizes.After the user has been provided with navigation destination for navigating instrument, can only go to the destination according to the phonetic order steering vehicle of navigating instrument, at this time; When the user need understand on the driving the place ahead circuit each interval Weather information; Can only rely on and listen local broadcasting station, perhaps make a phone call, perhaps send short messages; Perhaps rely on surfing Internet with cell phone to obtain; And obtaining of this Weather information often can only be obtained certain interval Weather information that the user is concerned about, the distance travelled that arrives the destination when automobile is longer, and perhaps the user is to the circuit of vehicle ' when comparatively strange; Even do not know that all driving route can pass through two ways, rely on the passive broadcasting station of listening the locality so, perhaps make a phone call, send short messages, surf the Net and look into each interval following weather conditions on the driving interval of knowing vehicle ' the place ahead of all not knowing rapidly and efficiently.More do not know the weather conditions of vehicle locality after several hours arrive this zone.Such as now I will go to the Baoji in Wuhan, Hubei, the driving path of navigation selection be walk good fortune silver change at a high speed Shan, Shanghai at a high speed, enter Xi'an, it is precious at a high speed to Baoji to walk the west, by way of Wuhan, Xiaogan, Suizhou, Xiangyang, Shiyan, Shanglou, Xi'an, Xianyang, Baoji.When I am points in mornings 7 during from Wuhan; According to the instantaneous speed of a motor vehicle; The about 8:30 of car that navigation software can calculate me to Xiaogan, 10 to the Suizhou, 11 to Xiangyang,,,,, probably 12 of nights are to Baoji, so when I during in Wuhan, whether I understand this time Shanglou and cross the highway section in the Qinling Mountains and have dense fog to have little significance; Because mist is arranged now, just do not had mist when waiting me to cross the Qinling Mountains.

In sum; We can draw; Common navigation system does not have the 3G In-vehicle networking; The user is in the driving way; Can only rely on and dial mobile phone, the radio station of listening to the radio programme, with the Weather information on certain point on surfing Internet with cell phone or the way of short messages inquiry driving route, when being on the vehicles of high-speed cruising, make a phone call, send short messages, often mean the notice when can dispersion user driving with surfing Internet with cell phone; Very easily cause traffic accident, bring very big harm for user's the person and property safety; And this mode can only or driving route on the Weather information of certain point; The Weather information that seeks out on the driving route to be had a few; Constantly inquiry repetitive operation, and we can not predict accurately almost when our big appointment of vehicle arrives certain point on the circuit.Can not reflect accurately that vehicle is through these regional weather conditions so repeat the real-time information of query actions acquisition; Can pass through two ways if the user is unfamiliar with circuit, so just can't obtain the Weather information of vehicle locality when this zone.

Summary of the invention

For solving the deficiency in the above automobile navigation instrument application process, the present invention proposes in a kind of method that obtains on the driving route weather conditions in real time of design on the automobile navigation instrument, and the weather forecast on the driving route shows on the navigating instrument screen when automobile arrived.

The technical scheme that the present invention adopts in order to realize its technical purpose is: a kind of method that obtains weather conditions in real time on the driving route; This method adopts automobile navigation instrument to obtain traffic route; The administrative region of process on the record traffic route; And calculate the real-time time of running car to corresponding administrative region, and utilize the WebService service to obtain the weather forecast of running car then to the real-time time of corresponding administrative region, be presented on the display screen of automobile navigation instrument.

Further, on the above-mentioned acquisition driving route in the method for weather conditions in real time: when on automobile navigation instrument, clicking on the driving route in real time the weather conditions button, navigating instrument is specifically carried out following steps:

Steps A, obtain traffic route, and with each administrative region on the traffic route as node;

Step B, obtain each node to the distance of current automobile loca, the estimation automobile is to the real-time time of each node;

Step C, through the 3G wireless network, utilize the WebSevice service, obtain each administrative region, node place in automobile weather forecast then, show on screen according to predetermined format.

The present invention combines 3G mechanics of communication, airmanship and WebSevice technology; Having overcome Weather information can only be by the state of the art of an inquiry; Make the user can acquisition traffic route rapidly and efficiently on each zone by way of Weather information constantly, can for safe driving reference be provided easily.

Below in conjunction with specific embodiment the present invention is done comparatively detailed description.

Description of drawings

Fig. 1 is a system flowchart of the present invention.

Embodiment

Embodiment 1, and present embodiment is the application to a kind of expanded function of automobile navigation instrument proposition.In order to overcome the problem that present navigating instrument exists in application process; A kind of real-time weather conditions information method that obtains each point on the driving route according to guidance path that present embodiment proposes; Be a kind of 3G mechanics of communication, airmanship and WebSevice technology to be combined; Utilize in the airmanship approach zone that obtains navigation circuit and current point apart from line length by way of the zone; And calculate vehicle according to the instantaneous speed of a motor vehicle of vehicle and arrive each by way of the time in zone, then according to by way of the title in zone and arrive general time in this zone, utilize the inquiry of WebSevice technology a series of by way of the zone and the Weather informations in this regional time period; And Query Result turned back to more than the vehicle mounted guidance through network; And show with the mode of picture, literal and sound, make the user can acquisition driving route rapidly and efficiently on when the zone local weather condition, thereby guarantee user's traffic safety to greatest extent.

Present embodiment mainly is to solve the state of the art that Weather information can not be inquired about according to the approach zone of navigation circuit, combines 3G mechanics of communication, airmanship and WebSevice technology for the first time.Make the user can acquisition traffic route rapidly and efficiently on each zone by way of Weather information constantly, can for safe driving reference be provided easily.

Performing step is as shown in Figure 1:

The firstth, navigation software utilize navigation algorithm and according to road circuit node in the navigation data topological relation; Calculate the navigation circuit from the current point to the destination; The NodeID of this line records turning point and a series of LinkID, navigation software search the attribute data of other these Link such as length of administrative region and this Link at shape point data and this Link place of the corresponding Link of each LinkID again in the Link of navigation data concordance list according to LinkID.

The secondth, according to above data, we carry out computing and analysis, can obtain vehicle and prolong each distance by way of the zone of navigation circuit arrival in current point.

The 3rd is to utilize navigation software to calculate the instantaneous velocity of vehicle; The vehicle current point of utilizing the first step to calculate is prolonged navigation circuit and is arrived each by way of the distance in the zone instantaneous velocity divided by vehicle, can calculate vehicle and prolong navigation circuit from current point and arrive each general time by way of the zone.

The 4th is to utilize a series of general time and the regional titles of approach by way of the zone on the navigation circuit; Through the 3G wireless network; Utilize the WebSevice technology, can obtain the weather conditions of travel time point, and Query Result is turned back to navigating instrument by way of the zone; Carry out above query manipulation repeatedly, can obtain a series of weather conditions of putting by way of the zone travel time.

The 5th is a series of weather conditions of putting by way of the zone travel time that obtain according to the 3rd step; Roll mode with picture, literal and sound shows, let the user can be simply through the mode of seeing intuitively and listening just can obtain fast on the navigation circuit a series of by way of the zone in the weather conditions of user's travel time.

The 6th is according to the change in location of automobile in the automobile moving process; Whenever calculate a current point to each distance at a distance from 5 seconds by way of the zone; And calculate automobile according to the instantaneous velocity of automobile and arrive the general time by way of the zone; Basis is inquired about the weather by way of the zone by way of zone name and approach zone time then, and shows the information that obtains.(essence is exactly every two to five steps that repeated at a distance from 5 seconds).

During operation; A weather forecast button is provided in the application interface of navigating instrument; Also a weather forecast button can be set on the panel of navigating instrument; When the weather forecast button on the application interface of clicking navigating instrument or press when a weather forecast button is set on the panel, the method above navigating instrument adopts obtains the real-time weather conditions information of each point on the driving route, and shows on the navigating instrument screen according to the form shown in the table 1.

In the present embodiment, in the GPS navigation system, obtain the driving route system of the weather forecast information of each point on the way in real time from current point to the destination driving process.Principle is on navigating instrument, to the destination one bar navigation path to be set from starting point; Navigation software can mate according to the geographic coordinate of navigation way and the administrative division data of map; And then obtain of the tabulation of this path by way of the administrative division data; Simultaneously; Navigation software can also be according to calculating the general time that vehicle arrives each administrative division point from the distance of each administrative division point on the instantaneous velocity of vehicle and the navigation circuit, then according to the time of each administrative division point of vehicle arrival and the title of administrative division, through vehicle-mounted wireless 3G network; The weather conditions and the various safe driving index of locality when utilizing the WebSevice technology enquiring vehicle arriving each administrative division point in high in the clouds, internet; And the result that will inquire about is transferred on the navigating instrument through the onboard wireless 3G network, and the mode with picture, literal and sound on navigating instrument shows to the user, makes things convenient for the user in time to understand the weather conditions in the future of each fragment position on the driving route direction when driving; For user's trip provides reference information, so that the user tackles, prevents even adjust line time or driving route to the following all kinds of weather conditions that possibly occur on the driving route.Thereby guarantee user's traffic safety.

Claims (2)

1. method that obtains on the driving route weather conditions in real time; It is characterized in that: this method adopts automobile navigation instrument to obtain traffic route; The administrative region of process on the record traffic route; And calculate the real-time time of running car to corresponding administrative region, and utilize the WebService service to obtain the weather forecast of running car then to the real-time time of corresponding administrative region, be presented on the display screen of automobile navigation instrument.

2. the method for weather conditions in real time on the acquisition driving route according to claim 1 is characterized in that: when on automobile navigation instrument, clicking on the driving route in real time the weather conditions button, navigating instrument is specifically carried out following steps:

Steps A, obtain traffic route, and with each administrative region on the traffic route as node;

Step B, obtain each node to the distance of current automobile loca, the estimation automobile is to the real-time time of each node;

Step C, through the 3G wireless network, utilize the WebSevice service, obtain each administrative region, node place in automobile weather forecast then, show on screen according to predetermined format.

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