CN104598504A - Information display control method and device for electronic map - Google Patents
Information display control method and device for electronic map Download PDFInfo
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- CN104598504A CN104598504A CN201410204688.5A CN201410204688A CN104598504A CN 104598504 A CN104598504 A CN 104598504A CN 201410204688 A CN201410204688 A CN 201410204688A CN 104598504 A CN104598504 A CN 104598504A
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
- G09B29/102—Map spot or coordinate position indicators; Map reading aids using electrical means
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Abstract
The invention discloses an information display control method and device for an electronic map. The method includes the steps that the current coordinates, on the electronic map, of a mobile terminal are determined, and the current orientation information of the mobile terminal is determined; with the current coordinates of the mobile terminal as a datum point, place coordinates, located within the range of specific distance around the datum point and the range of the current orientation, OF a place point of interest (POI) is searched for; a real-scene picture corresponding to the current coordinates and the orientation range of the mobile terminal is displayed, and the mark of the found POI is displayed on the real-scene picture; after the mark of the POI is triggered, a place detail interface corresponding to the POI is displayed. By the utilization of the information display control method and device, the efficiency for searching for a target place can be improved, man-machine interaction operation is reduced, and the occupied machine resources are reduced.
Description
Technical field
The present invention relates to electronic map technique field, particularly relate to a kind of information display control method and device of electronic chart.
Background technology
Electronic chart and Digital map utilize computer technology, the electronic chart storing in a digital manner and consult.Electronic chart can carry out factor combination, the splicing of arbitrary form easily to the content of ordinary electronic map, form new electronic chart.Electronic chart stores the method for information, and general use vector mode image storage, electronic chart ratio is enlarging or reducing or rotate and do not affect display effect, and current electronic map system general Geographic Information System stores and transmits electronic map data.
In the technical scheme of current electronic map system, have also appeared a kind of streetscape (Street View) display technique.Street view display technology is a kind of outdoor scene Map Service, and for user provides 360 degree of panoramic pictures of city, street or other environment, user can obtain electronic chart viewing experience as if on the spot in person by this service.By streetscape, as long as the high definition scene on street just can be seen before being sitting in computer really.User is when browsing electronic chart, trigger streetscape function, certain place in electronic chart can be clicked with input equipments such as mouses, and determine the angle lens in this place, then electronic chart will be presented at the real scene image under this place, this angle lens, thus make user have sensation on the spot in person.
Location information in electronic chart is in the industry cycle also referred to as point of interest (POI, Point ofInterest), such as Palace Museum, * * mansion etc.The information that each POI at least comprises has: title, classification, coordinate (longitude and latitude).Described location information is pre-entered in electronic map system, can be inputted by electronic chart publisher, but wherein most POI information belonging to this location information side input.
At present, in reality scene, there is following application demand: user finds a certain objective (as certain shop) during on the spot, owing to not understanding the geographical situation of locality, some shop often identifies not eye-catchingly even is blocked by some buildings, although this will cause user to be in around this objective, but be exactly often the particular location that can not find this objective, more cannot understand the details of this objective, the character (as food and drink, amusement or retail shop etc.), its service content etc. of such as this objective all cannot directly obtain.
The problems referred to above, also directly cannot solve in existing electronic chart street view display technology, if user will search the details of a certain objective, often need following step:
Step 11, user open the electronic chart pattern of electronic chart.
The region of self position, by triggerable electronic map area adjustment instruction, is adjusted in the electronic chart region of current display by step 12, user, in this step, at least needs to comprise and repeatedly such as clicks the man-machine interactive operation such as mobile.
Step 13, now under electronic chart pattern, often automatically load some address marks in the region shown by electronic chart, user finds the objective that self needs from these address marks.
If the objective that step 14 user finds self to need from described address mark, then open the street view display function that this objective is corresponding again, check the Streetscape picture of this objective.But in this step, the Streetscape picture that prior art is shown is the closely Streetscape picture with this objective front, the shop front picture in such as this shop, and do not show the streetscape image of this objective and user self coordinate relative position, the relative position of such as this objective in this user's current gaze cannot show, therefore a little the position of movement oneself of user is needed, the true streetscape that the Streetscape picture of shown objective and self naked eyes are seen is compared one by one, thus infers the actual position this objective.This process very complicated and time consumption, has had a strong impact on the efficiency that user finds objective.
If step 15 user thinks the details understanding this place further, then need to exit street view display function, get back to electronic chart pattern, check the details in this place.
According to the details in described place, step 16, user determine whether this place is the objective that oneself is found, if it is need to be switched to street view display pattern further, the physical location of this objective is little by little found, final this objective of arrival by Streetscape picture.
As mentioned above, due to the defect of prior art, result in user in the process finding objective, need to carry out a large amount of man-machine interactive operation, such as adjust electronic chart region, the operation such as switching back and forth in electronic chart pattern and street view display pattern, not only complicated operation, and man-machine interactive operation all can send operation requests information, triggers computation process and produce response results information each time, thus the ample resources of machine can be taken, comprise client resource, server resource, network bandwidth resources etc.Prior art cannot show the streetscape image of objective and user self coordinate relative position to user simultaneously, need a little the position of movement oneself of user, the true streetscape that the Streetscape picture of shown objective and self naked eyes are seen is compared one by one, thus infer the actual position this objective, this process very complicated and time consumption, has had a strong impact on the efficiency that user finds objective.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of information display control method and device of electronic chart, to improve the search efficiency to objective, reduces man-machine interactive operation, reduces taking machine resources.
Technical scheme of the present invention is achieved in that
An information display control method for electronic chart, comprising:
Determine the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current;
With the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in place POI;
Display mobile terminal changing coordinates and towards real picture corresponding to scope, the mark of the POI that this real picture finds described in display;
After the mark of described POI is triggered, show the details interface, place that this POI is corresponding.
An information display control apparatus for electronic chart, comprising:
Locating module, for determining the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current;
Place enquiry module, for the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in POI;
Outdoor scene display module, for showing mobile terminal changing coordinates and towards real picture corresponding to scope, this real picture showing the mark of the POI that described place enquiry module finds;
Details display module, for after the mark of described POI is triggered, shows the details interface, place that this POI is corresponding.
Compared with prior art, first the present invention determines the changing coordinates of the mobile terminal of user on electronic chart and orientation information, search within this coordinate periphery distance to a declared goal, and current towards the POI in scope, and show mobile terminal changing coordinates and towards real picture corresponding to scope, so just can avoid switching back and forth in electronic chart pattern and street view display pattern, but directly enter the true place of user and truly towards real picture, scene shown by real picture is exactly the scene that user sees, and the mark of the POI also found described in display in real picture, after the mark triggering this POI, show the details interface, place that this POI is corresponding, also sub-map mode of wiring back need not be switched as prior art.The operation of whole process need man-machine interaction greatly reduces, and improves the search efficiency to objective, simultaneously owing to decreasing man-machine interactive operation, because this reducing taking machine resources.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of the information display control method of electronic chart of the present invention;
Fig. 2 a kind ofly determines towards the schematic diagram of scope;
Fig. 3 is a kind of interface of mobile terminal schematic diagram of the mark showing described POI in real picture;
Fig. 4 is a kind of interface schematic diagram at the details interface, place that POI is corresponding;
Fig. 5 is a kind of schematic flow sheet triggering place details interface information corresponding to display POI;
Fig. 6 is the interface display schematic diagram of real picture described in a kind of embodiment;
Fig. 7 is the one composition schematic diagram of the information display control apparatus of electronic chart of the present invention;
The one composition schematic diagram that Fig. 8 is the enquiry module of place described in an embodiment of the present invention;
The one composition schematic diagram that Fig. 9 is the display module of outdoor scene described in an embodiment of the present invention;
The one composition schematic diagram that Figure 10 is the display module of outdoor scene described in an embodiment of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
In the present invention, described mobile terminal can be mobile phone, personal digital assistant (PDA, PersonalDigital Assistant), handheld computer (Pocket PC) or panel computer, also can be the small desk computing machine (desktop PC) etc. by Internet communication.
Fig. 1 is a kind of process flow diagram of the information display control method of electronic chart of the present invention.See Fig. 1, the method comprises:
Step 101, determine the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current.
Step 102, with the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in place POI.
Step 103, display mobile terminal changing coordinates and towards real picture corresponding to scope, the mark of the POI that this real picture finds described in display.
Step 104, after the mark of described POI is triggered, show the details interface, place that this POI is corresponding.
Below each step described is described in detail respectively.
Step 101, determine the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current.
Concrete, the present invention utilizes the localization method of location Based service (LBS, Location Based Service) automatically to determine the changing coordinates of mobile terminal on electronic chart.Described coordinate mainly refers to longitude and the latitude in this place.
Described LBS, positional information (the geographic coordinate of mobile phone users is obtained exactly by the radio communication network (as GSM net, CDMA net) of telecommunications mobile operator or outside locator meams (as GPS), or terrestrial coordinate), at Geographic Information System (GIS, Geographic Information System) platform support under, for mobile phone users provides a kind of technical scheme of corresponding positioning service.
LBS system is combined into by mobile communications network and computer network generally, realized mutual between two networks by gateway.Mobile terminal sends request by mobile communications network, through gateway passes to LBS system; LBS system processes according to user's request and user's current location, and result is returned to mobile phone users by gateway.
Describedly determine the orientation information that mobile terminal is current, can be specifically the gyroscope technology utilizing mobile terminal, therefore the present invention needs described mobile terminal to have the gyroscope can determining orientation information.Gyroscope is angular-rate sensor again, for rotational angular velocity when measure physical quantities deflection, inclination.On mobile terminals, gyroscope can do good measurement to actions such as rotation, deflections in application, so just Accurate Analysis can judge the actual act of user.Then according to action, corresponding operation can be done to mobile phone.In the present invention, described orientation information specifically comprises: the angle of pitch and crab angle.
It is datum line that the described angle of pitch refers to horizontal line, and what produce down upward departs from horizontal angle, and such as level is 0 degree, reduces to upper angle, and corresponding-90 degree in the crown, increase downwards, corresponding 90 degree of sole etc.
Described crab angle refers to when overlooking from top to bottom, with positive north for datum line, and clockwise deviation angle, such as, crab angle corresponding to positive north is 0 degree, and crab angle corresponding to due east is 90 degree, crab angle corresponding to due south is 180 degree, and crab angle corresponding to positive west is 270 degree etc.
In the present invention, as long as installed gyroscope and related software in mobile terminal, then existing technical scheme can be utilized to measure the angle of pitch and the crab angle of this mobile terminal, and concrete measuring technique has been prior art, repeats no more herein.
Step 102, with the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in POI.
In this step, concrete process comprises:
Step 121, distance between the coordinate calculating each POI in electronic chart and the changing coordinates of mobile terminal.Concrete computing method are calculate according to following formula (1):
D=111.12cos{1/ [sin Φ Asin Φ B ten cos Φ Acos Φ Bcos (λ B-λ A)] } (1)
Wherein A represents mobile terminal, and the longitude of A, latitude are respectively λ A and Φ A; B represents the longitude of a certain POI, B, latitude is respectively λ B and Φ B; D is the distance between A and B.
Step 122, the distance between its coordinate and mobile terminal changing coordinates is selected to be less than the POI of distance to a declared goal.Namely judge whether the distance d between each POI and mobile terminal changing coordinates is less than distance to a declared goal D, if be less than, select this POI.Described distance to a declared goal D can pre-set, such as, usually can be set to 500 meters.
Step 123, coordinate, orientation information and the default field-of-view angle current according to mobile terminal, determine current towards scope; In the POI selected from previous step, select its coordinate be positioned at deserve the previous dynasty to the POI of scope.
Concrete, because described orientation information comprises the angle of pitch and crab angle, so according to the current coordinate of mobile terminal and crab angle, and the field-of-view angle of acquiescence, can determine that one towards scope.As Fig. 2 a kind ofly determines towards the schematic diagram of scope.See Fig. 2, this Fig. 2 is vertical view, and described A point is mobile terminal changing coordinates, and α is the current crab angle of mobile terminal, and ω is the field-of-view angle of acquiescence, and this ω can pre-set, and D is distance to a declared goal, supposes to be 500 meters herein.Then current is with A point coordinate for round dot towards scope, take D as radius, and the yaw angle on two limits is respectively the fan-shaped range that α-(ω/2) and α+(ω/2) limit.
Step 103, display mobile terminal changing coordinates and towards real picture corresponding to scope, the mark of the POI that this real picture finds described in display.
In the real picture that electronic chart stores, all there is coordinate and towards parameter, longitude and latitude when described coordinate is exactly this real picture of shooting residing for camera, described when being exactly this real picture of shooting towards parameter camera towards, the i.e. crab angle of camera and the angle of pitch.Owing to having determined the coordinate of mobile terminal, crab angle and the angle of pitch in above-mentioned steps 101, then from the real picture database of electronic chart, inquire about the real picture consistent with the coordinate of mobile terminal, crab angle and the angle of pitch in this step, and the real picture found is shown on mobile terminals.Then on this real picture, show the mark of the POI that above-mentioned steps 102 finds.Concrete display packing comprises the following steps 131 to 134:
Step 131, obtain the designated parameter of described each POI in related network system.
Described related network system refers to and the network system that described electronic map system associates, POI information in this electronic chart can be shared in the network system of these associations, and the correlation parameter of this POI in these related network systems also can be got by electronic map system.Such as described related network system can be a kind of comment network system, described each POI in this comment network system be one by the object commented on.Such as certain POI is a restaurant, so in this comment network system, user just can comment on the service of this POI, food quality, hygienic conditions etc., can to comment classification, as be divided into favorable comment, in comment, difference comments, and also has the attention rate of this POI and clicks etc.Described comment classification and described attention rate and clicks all belong to the parameter of this POI in this related network system.And electronic chart of the present invention can get these parameters, according to these parameters, follow-up scoring is carried out to this POI.
Step 132, according to the described designated parameter of described each POI, each POI to be marked.
Such as can obtain comment classification and the attention rate of described each POI from described comment network system, be weighted scoring according to comment classification and attention rate, the more marks of such as favorable comment are higher, and attention rate more balloon score is higher.
Step 133, according to described scoring, described each POI to be sorted.
Step 134, on described real picture the described sequence of preferential display at the mark of the POI of front appointment ranking.
Such as, by above-mentioned steps, described favorable comment is many and the sequence of the POI that attention rate is high is just forward, and attention rate is low, difference comments many POI sequences just rearward.So finally can according to sequence preferential display favorable comment on described real picture the many and POI that attention rate is high.Described preferential display can have various ways, if such as POI is more, can preferentially be presented at foremost, and the mark that the mark of sequence POI rearward can be sorted forward POI blocked.
Certainly, if target P OI is arranged in skyscraper, then in POI information except coordinate, the height that also may comprise this POI, when so showing the mark of this POI on real picture, need to calculate angular height according to the Distance geometry angle of pitch of this POI and mobile terminal, calculate the height of this POI and the relative height of this angular height again, on real picture, show the mark of this POI according to this relative height.
In a further embodiment, in order to show the relative position of POI and mobile terminal further in real picture, the mark of the described POI found described in display on real picture, specifically can also comprise the following steps 1311 to 1313:
Step 1311, determine described each POI and the relative crab angle between mobile terminal.Difference between described relative crab angle and described POI coordinate to the crab angle and the current crab angle of mobile terminal of mobile terminal coordinate.
Step 1312, determine the height of each POI according to the distance of described each POI and mobile terminal changing coordinates, described height and distance becomes positive correlation.
The distance of described POI and mobile terminal changing coordinates can be determined according to above-mentioned formula (1).Described height and distance becomes positive correlation, and namely distance is far away, and the display on real picture is highly higher.
Step 1313, the relative crab angle mark of described POI being presented at this POI on real picture and height part.
By this process, POI is relevant with the height be marked on real picture of POI with the distance of mobile terminal changing coordinates, and orientation is relevant with relative crab angle again, so just can show the relative position of described POI and mobile terminal changing coordinates.Further facilitate user and search target P OI.
In another kind of preferred embodiment, described step 102 search location coordinates be in around this reference point within distance to a declared goal and current towards scope in place POI after, before the mark of the POI that real picture described in step 103 finds described in display, comprise further: according to predetermined filtercondition, filter operation is carried out to the POI that described step 102 finds; The POI retained only is shown afterwards in step 103 on described real picture.
Described filtercondition can pre-set, such as, can carry out locus coupling based on the spatial positional information of streetscape POI and three-dimensional building blocks of data, sets up corresponding relation therebetween.Then according to user's present viewing field scope, utilize the hiding relation between three-dimensional building block, the POI outside the shielding visual field, thus show user visible streetscape POI information in certain limit.
Fig. 3 is a kind of interface of mobile terminal schematic diagram of the mark showing described POI in real picture.See Fig. 3, in described real picture 300, the mark of the POI selected by can showing according to described relative position, as marked 301,302,303.The simple introductions such as the title of this POI can be comprised in described POI mark, the distance of this POI and mobile terminal changing coordinates can also be comprised, search destination address to facilitate user.
Step 104, after the mark of described POI is triggered, show the details interface, place that this POI is corresponding.
As shown in Figure 3, when user trigger (as click) some POI marks as 302 time, then can show the details interface, place 400 that this POI is as shown in Figure 4 corresponding.Comprise better address, the contact method of this POI at this details interface, place 400, whether have reward voucher, whether purchase by group and comment information etc.When clicking the Back button in Fig. 4 upper left corner, then turn back to the interface shown in Fig. 3.
Because not every POI has details interface, whether neither have described reward voucher, purchase by group and comment information by all POI, can record each POI in the database of POI has these information.Therefore in an advantageous embodiment, can judge further these situations.Fig. 5 is a kind of schematic flow sheet triggering place details interface information corresponding to display POI.See Fig. 5, comprising:
Step 501, suppose to show mobile terminal changing coordinates and towards real picture 300 corresponding to scope, as shown in Figure 3.
Step 502, judge whether described each POI selected before described step 103 has details page, if had, on described real picture, then show the mark of this POI, and show the mark of details page on this mark further, such as, be a white small arrow shown in the mark 301 and 302 of Fig. 3; If certain POI does not have details page, then can not show described details page marker on the mark of this POI, as there is no white small arrow in the mark 303 in Fig. 3.
Step 503, user click the mark that certain has the POI of details page.
Step 504, judge whether this POI has coupon information, if had, jump to next step, otherwise do not show reward voucher column in this details page, then jump to next step.
Step 505, judge whether this POI has group purchase information, if had, jump to next step, otherwise do not show in this details page and purchase by group column, then jump to next step.
Step 506, judge whether this POI has comment information, if had, jump to next step, otherwise do not show comment column in this details page, jumping to next step.
Step 507, show the details of details page corresponding to this POI, as shown in Figure 4.
Fig. 6 is the interface display schematic diagram of real picture described in another kind of embodiment.See Fig. 6, described interface 601 is display mobile terminal changing coordinates and towards real picture corresponding to scope, the mark of described each POI selected before wherein having shown step 103, and can show temperature triggered mark 611.As with the previous embodiment, can mark to each POI according to the designated parameter of each POI in related network system, and according to described scoring, described each POI is sorted, and further the POI of described sequence in top N is classified, interface 602 can be triggered after user triggers this temperature triggered mark 611, in interface 602, the POI quantity in each classification of sequence in top N can be shown, as cuisines (56), film (12), hotel (3), quantity in its bracket is the POI quantity in this classification of sequence in top N, and in this interface 602 display list trigger button 621.After user clicks this list trigger button 621, interface 603 can be triggered, in this interface 603, come the POI recommended information of top N with tabular form display.
By the present invention, live-action map not only can see merchant site title intuitively, the introduction that businessman is detailed and favor information can also be checked, and realize purchasing by group payment.Make user in outdoor scene, navigate, do shopping, more interesting, more clear when browsing.
Corresponding with said method, the invention also discloses a kind of information display control apparatus of electronic chart.Fig. 7 is the one composition schematic diagram of the information display control apparatus of electronic chart of the present invention, and see Fig. 7, this device 700 comprises:
Locating module 701, for determining the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current;
Place enquiry module 702, for the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in POI;
Outdoor scene display module 703, for showing mobile terminal changing coordinates and towards real picture corresponding to scope, this real picture showing the mark of the POI that described place enquiry module finds;
Details display module 704, for after the mark of described POI is triggered, shows the details interface, place that this POI is corresponding.
The one composition schematic diagram that Fig. 8 is the enquiry module of place described in an embodiment of the present invention.See Fig. 8, described place enquiry module 702 specifically comprises:
Distance calculation module 801, for calculating the distance between the coordinate of each POI in electronic chart and the changing coordinates of mobile terminal; The computing method of distance please refer to above-mentioned formula (1);
Distance selects module 802, for the POI selecting the distance between its coordinate and mobile terminal changing coordinates to be less than distance to a declared goal;
Towards selection module 803, for coordinate, orientation information and the default field-of-view angle current according to mobile terminal, determine current towards scope; Select the POI that selects of module from described distance, select its coordinate be positioned at deserve the previous dynasty to the POI of scope.
In a further embodiment, described place enquiry module 702 can further include:
Filtering module, for carrying out filter operation according to predetermined filtercondition to the described POI towards selecting module to select.Retained POI is shown afterwards on described real picture.
The one composition schematic diagram that Fig. 9 is the display module of outdoor scene described in an embodiment of the present invention.See Fig. 9, described outdoor scene display module specifically comprises:
Outdoor scene module 901, for showing mobile terminal changing coordinates and towards real picture corresponding to scope;
Parameter acquisition module 902, for obtaining the designated parameter of described each POI in related network system;
Grading module 903, for marking to each POI according to the described designated parameter of described each POI;
Order module 904, for sorting to described each POI according to described scoring;
Mark display module 905, for the described sequence of preferential display on described real picture at the mark of the POI of front appointment ranking.
The one composition schematic diagram that Figure 10 is the display module of outdoor scene described in an embodiment of the present invention.See Figure 10, described outdoor scene display module specifically comprises:
Outdoor scene module 1001, for showing mobile terminal changing coordinates and towards real picture corresponding to scope;
Relative crab angle module 1002, for determining described each POI and the relative crab angle between mobile terminal;
Altitude module 1003, for determining the height of each POI according to the distance of described each POI and mobile terminal changing coordinates, described height and distance becomes positive correlation;
Mark display module 1004, for being presented at relative crab angle and the height part of this POI on real picture by the mark of described POI.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of modules exists, also can two or more module integrations in a unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.The functional module of described each embodiment can be positioned at a terminal or network node, or also can be distributed on multiple terminal or network node.
In addition, each embodiment of the present invention can be realized by the data processor performed as computing machine by data processing equipment.Obviously, data processor constitutes the present invention.In addition, program is read out storage medium or memory device (as hard disk and or internal memory) the middle execution by program being installed or copied to data processing equipment by direct by the data processor be usually stored in a storage medium.Therefore, such storage medium also constitutes the present invention.Storage medium can use the recording mode of any type, such as paper storage medium (as paper tape etc.), magnetic storage medium (as floppy disk, hard disk, flash memory etc.), optical storage media (as CD-ROM etc.), magnetic-optical storage medium (as MO etc.) etc.
Therefore the invention also discloses a kind of storage medium, wherein store data processor, this data processor is for performing any one embodiment of said method of the present invention.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (13)
1. an information display control method for electronic chart, is characterized in that, comprising:
Determine the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current;
With the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in place POI;
Display mobile terminal changing coordinates and towards real picture corresponding to scope, the mark of the POI that this real picture finds described in display;
After the mark of described POI is triggered, show the details interface, place that this POI is corresponding.
2. method according to claim 1, is characterized in that, described with the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in POI, specifically comprise:
Calculate the distance between the coordinate of each POI in electronic chart and the changing coordinates of mobile terminal;
The distance between its coordinate and mobile terminal changing coordinates is selected to be less than the POI of distance to a declared goal;
Coordinate, orientation information and the default field-of-view angle current according to mobile terminal, determine current towards scope; In the POI selected from previous step, select its coordinate be positioned at deserve the previous dynasty to the POI of scope.
3. method according to claim 2, is characterized in that, the distance in described calculating electronic chart between the coordinate of each POI and the changing coordinates of mobile terminal, specifically comprises:
The distance between the coordinate of certain POI and the changing coordinates of mobile terminal is calculated according to following formula (1):
D=111.12cos{1/ [sin Φ Asin Φ B ten cos Φ Acos Φ Bcos (λ B-λ A)] } (1)
Wherein A represents mobile terminal, and the longitude of A, latitude are respectively λ A and Φ A; B represents the longitude of a certain POI, B, latitude is respectively λ B and Φ B; D is the distance between A and B.
4. method according to claim 1, it is characterized in that, described search location coordinates be in around this reference point within distance to a declared goal and current towards scope in place POI after, before the mark of the POI that described real picture finds described in display, comprise further: according to predetermined filtercondition, filter operation is carried out to the described POI found; Retained POI is shown afterwards on described real picture.
5. method according to claim 1, is characterized in that, the mark of the described POI found described in display on real picture, specifically comprises:
Obtain the designated parameter of described each POI in related network system;
According to the described designated parameter of described each POI, each POI is marked;
According to described scoring, described each POI is sorted;
On described real picture, the described sequence of preferential display is at the mark of the POI of front appointment ranking.
6. method according to claim 1, is characterized in that, the mark of the described POI found described in display on real picture, specifically comprises:
Determine described each POI and the relative crab angle between mobile terminal;
Determine the height of each POI according to the distance of described each POI and mobile terminal changing coordinates, described height and distance becomes positive correlation;
The mark of described POI is presented at relative crab angle and the height part of this POI on real picture.
7. method according to claim 1, is characterized in that, the mark of the described POI found described in display on this real picture, specifically comprises:
Whether the POI found described in judgement has details page, if had, and the mark of the POI that this real picture finds described in display, and show the mark of details page further on this mark; Otherwise the mark of the POI only found described in display on this real picture.
8. the method according to any one of claim 1 to 7, is characterized in that, described coordinate is longitude and latitude; Described orientation information is: the angle of pitch and crab angle.
9. an information display control apparatus for electronic chart, is characterized in that, comprising:
Locating module, for determining the changing coordinates of mobile terminal on electronic chart, and the orientation information that mobile terminal is current;
Place enquiry module, for the changing coordinates of mobile terminal for reference point, search location coordinates be in around this reference point within distance to a declared goal and current towards scope in POI;
Outdoor scene display module, for showing mobile terminal changing coordinates and towards real picture corresponding to scope, this real picture showing the mark of the POI that described place enquiry module finds;
Details display module, for after the mark of described POI is triggered, shows the details interface, place that this POI is corresponding.
10. device according to claim 9, is characterized in that, described place enquiry module specifically comprises:
Distance calculation module, for calculating the distance between the coordinate of each POI in electronic chart and the changing coordinates of mobile terminal;
Distance selects module, for the POI selecting the distance between its coordinate and mobile terminal changing coordinates to be less than distance to a declared goal;
Towards selection module, for coordinate, orientation information and the default field-of-view angle current according to mobile terminal, determine current towards scope; Select the POI that selects of module from described distance, select its coordinate be positioned at deserve the previous dynasty to the POI of scope.
11. devices according to claim 10, is characterized in that, described place enquiry module comprises further:
Filtering module, for carrying out filter operation according to predetermined filtercondition to the described POI towards selecting module to select.Retained POI is shown afterwards on described real picture.
12. devices according to claim 9, is characterized in that, described outdoor scene display module specifically comprises:
Outdoor scene module, for showing mobile terminal changing coordinates and towards real picture corresponding to scope;
Parameter acquisition module, for obtaining the designated parameter of described each POI in related network system;
Grading module, for marking to each POI according to the described designated parameter of described each POI;
Order module, for sorting to described each POI according to described scoring;
Mark display module, for the described sequence of preferential display on described real picture at the mark of the POI of front appointment ranking.
13. devices according to claim 9, is characterized in that, described outdoor scene display module specifically comprises:
Outdoor scene module, for showing mobile terminal changing coordinates and towards real picture corresponding to scope;
Relative crab angle module, for determining described each POI and the relative crab angle between mobile terminal;
Altitude module, for determining the height of each POI according to the distance of described each POI and mobile terminal changing coordinates, described height and distance becomes positive correlation;
Mark display module, for being presented at relative crab angle and the height part of this POI on real picture by the mark of described POI.
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