CN101841910A - Positioning method and system as well as server - Google Patents
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Abstract
The invention provides positioning method and system as well as a server, wherein the positioning method comprises the following steps of: receiving a positioning request message which comprises the actual geographic coordinates of a terminal; converting the actual geographic coordinates into virtual map coordinates, and sending a positioning response message which comprises the virtual map coordinates to the terminal so that the terminal displays the virtual map coordinates on a virtual map stored on the terminal. The embodiment of the invention overcomes the defect that the traditional mobile phone positioning game is not visualized, and enhances the visualization and the entertainment of the mobile phone positioning game by converting the actual geographic coordinates of a terminal user positioned by a positioning device to the virtual map coordinates and displaying the change of the actual position of the terminal user on the virtual map stored on the terminal according to the virtual map coordinates.
Description
Technical field
The embodiment of the invention relates to field of locating technology, particularly a kind of localization method and system, server.
Background technology
At present, location technology has been applied to a lot of aspects.For example, the mobile phone location recreation with location technology is applied to develop in the mobile phone online games receives praises from customers.This recreation is based on the mobile phone location technology, and location technology is combined with game element, can orient user's actual geographical position by the positioning service of operator, more on this basis, launches various game elements.In addition, the recreation of present mobile phone location mainly is to carry out player and server by short message mode, mutual between player and the player.The player can send shirtsleeve operation code note to server, and recreation is operated.Dependent game information be linked up and be pushed to server can to send way of short messages and player.For example, the player can send note code (as SA) to server, to seek apart from its nearest several player; Server can be informed the geographical position (as player B 500 meters forwardly) of the user player near with short message mode.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: the location recreation of existing mobile phone, because whole game process all is to represent relevant information by the written form of short message interacting, cause the recreation of mobile phone location directly perceived inadequately, recreational relatively poor.
Summary of the invention
The embodiment of the invention provides a kind of localization method and system, server, and in order to solve not problem intuitively of existing mobile phone location recreation, realization can show relevant location information intuitively in the mode of figure, strengthens the recreational of mobile phone location recreation.
The embodiment of the invention provides a kind of localization method, comprising:
Receive locating request message, comprise the actual geographical coordinate of terminal in the described locating request message;
With the geographical Coordinate Conversion of described reality is the virtual map coordinate, and to described terminal transmission location response message, comprise described virtual map coordinate in the response message of described location, so that described terminal is presented at described virtual map coordinate on the virtual map that is stored in described terminal.
The embodiment of the invention provides a kind of server, comprising:
Receiver module is used to receive locating request message, comprises the actual geographical coordinate of terminal in the described locating request message;
Processing module, being used for the geographical Coordinate Conversion of described reality is the virtual map coordinate;
Sending module is used for sending the location response message to described terminal, comprises described virtual map coordinate in the response message of described location, so that described terminal is presented at described virtual map coordinate on the virtual map that is stored in described terminal.
The embodiment of the invention provides a kind of navigation system that comprises above-mentioned server, also comprises terminal and positioning equipment,
Described positioning equipment is used to locate the actual geographical coordinate of described terminal, and described actual geographical coordinate is sent to described server;
Described server, being used for the geographical Coordinate Conversion of described reality is the virtual map coordinate, and sends the location response message to described terminal, comprises described virtual map coordinate in the response message of described location;
Described terminal stores virtual map, is used for described virtual map coordinate is presented at the virtual map that is stored in described terminal.
The localization method of the embodiment of the invention and system, server, actual geographical coordinate by terminal use that positioning equipment is oriented, conversion becomes the virtual map coordinate, and according to described virtual map coordinate, the change of terminal use's physical location is presented on the virtual map of terminal storage, solve not defective intuitively of present mobile phone location recreation, strengthened the intuitive of mobile phone location recreation and recreational.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the signalling diagram of localization method embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the coordinate transformation process among Fig. 1;
Fig. 3 is the structural representation of server implementation example of the present invention;
Fig. 4 is the structural representation of navigation system embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The main technical schemes of the embodiment of the invention is, can be at the terminal storage virtual map, this virtual map can be the scene map corresponding with the real road situation, this scene map can provide the road and the peripheral profile service of virtual reality, can design with perfect according to the actual road conditions and the city layout in city.After positioning equipment is oriented the actual geographical coordinate of terminal in reality, can will should be sent to server by actual geographical coordinate.By server should the geographical coordinate transformation of reality be the virtual map coordinate, promptly terminal be carried out the conversion location of physical location and virtual location; And this virtual map coordinate is sent to terminal, by terminal this virtual map coordinate is presented on the virtual map that is stored in wherein.Thereby the authenticity of real world and the interest of virtual game fully can be merged, strengthen intuitive and recreational.This terminal can be equipment such as mobile phone terminal, public information platform terminal.Below by the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Fig. 1 is the signalling diagram of localization method embodiment of the present invention, and as shown in Figure 1, present embodiment is to be example with the mobile phone location recreation based on the mobile phone location, and the mobile phone location is combined with the virtual game system, and real virtual game scene platform is provided.This localization method can may further comprise the steps:
Step 101, terminal send position location request message to positioning equipment.
The terminal that the user adopts when playing can be smart mobile phone or regular handset.Before recreation, it can carry out the game user registration earlier.Can register by WEB official website, also can register by mounted cell-phone customer terminal.When logging in game was finished in registration, the user can send logging request to the server of this recreation by terminal.Server can be by inspection user phone number and information such as password carry out subscriber authentication.After checking is passed through, can begin recreation.
Terminal sends position location request message to positioning equipment, and the request positioning equipment positions the terminal use.This positioning equipment can be a gps satellite, or the movable positioning system that provides of mobile operator, i.e. shift position service (Location Based Service, hereinafter to be referred as: LBS) base station.Concrete, mobile phone terminal can be realized the location in conjunction with GPS module wherein, perhaps under the situation that can't use the GPS location, uses the LBS base station to locate customer location is positioned.
The geographical position of step 102, positioning equipment locating terminal obtains the actual geographical coordinate of terminal.
Positioning equipment can comprehensively use the geographical position of GPS location and LBS location several modes locating terminal.This locate mode can comprise four types of assistant GPS, triangle location, mixed positioning, network cells etc.In addition, positioning equipment can be selected the geographical position of optimum localization method locating end-user according to user's localizing environment.For example, do not having under the situation of satellite-signal, can locate, the mode of network cell obtains locator data yet, be i.e. the actual geographical coordinate (latitude and longitude coordinates) of terminal under earth coordinates by triangle.
Step 103, positioning equipment send locating request message to server, comprise the actual geographical coordinate data of terminal in this locating request message.This message can be used for request server the actual geographical coordinate data of terminal is for further processing.
Step 104, server are the virtual map coordinate with the actual geographical Coordinate Conversion of terminal.
Server can be converted to the virtual map coordinate with doing further to convert to handle by actual geographical coordinate behind the actual geographical coordinate that receives the positioning equipment transmission.This virtual map coordinate refers to corresponding to the coordinate that is stored in the virtual map on the terminal.The virtual map of storing on the terminal can be the scene map corresponding with the real road situation, and the road and the peripheral profile service of virtual reality can be provided, and can design with perfect according to the actual road conditions and the city layout in city.This virtual map can be loaded on the terminal before beginning to play.In addition, this virtual map also can regularly be downloaded latest edition to carry out the renewal of map from server.After the physical location change of terminal use in reality, it also can change accordingly corresponding to the position on the terminal virtual map, therefore, need carry out the conversion of actual geographical coordinate of terminal and virtual map coordinate.
Concrete, can converting according to method shown in Figure 2 between actual geographical coordinate and the virtual map coordinate, Fig. 2 is the schematic flow sheet of the coordinate transformation process among Fig. 1.As shown in Figure 2, this method can may further comprise the steps:
The actual geographical coordinate of the terminal that server receives is the latitude and longitude coordinates under the earth coordinates, the plane rectangular coordinates under the Gauss plane coordinate system that uses in the time of can at first converting latitude and longitude coordinates to the drafting plane map by projection function.For example, (B L) is converted to plane rectangular coordinates (X with latitude and longitude coordinates
N, Y
E) can follow following formula: X
N=F1 (B, L), Y
E(B, L), wherein, F1, F2 are projection function to=F2.
Store the virtual map on the terminal in the server, it can know the actual coordinate and the virtual coordinates of the pairing marginal point of this virtual map.For the plane rectangular coordinates (X under the Gauss plane coordinate system that obtains
N, Y
E), server can be judged and judges that it is whether in maximum bounds circle.If not, then can in following step 105, exceed the virtual map scope to the terminal notifying user; If, further execution in step 203 then.
If plane rectangular coordinates (X
N, Y
E) in the bounds circle of virtual map, then can be converted into the virtual map coordinate; The virtual map at this virtual map coordinate place is a general map.
Concrete, can carry out above-mentioned Coordinate Conversion by the inverse function of function C ().Function C () can be defined as follows: virtual map is divided into the little map of N piece by grid, and this little map can comprise general map and edge map; Edge map is positioned at the periphery of general map, also is the peripheral little map of virtual map.For the boundary coordinate (a b) of the adjacent general map of edge map, if be converted into plane rectangular coordinates (X
N, Y
E), its reduction formula can be X
N=C (a), Y
E=C (b), wherein, function C () is to the used ratio transfer function of plane rectangular coordinates conversion from the virtual map coordinate.This function C () can be defined as follows:
X
N=C (a) is X
N=u
1A+v
1+ X
o... ... ... ... ... ... .. (1)
Y
E=C (b) is Y
E=u
2B+v
2+ Y
0... ... ... ... ... ... .. (2)
Wherein, u
1, u
2Be the conversion proportion data, can define according to actual needs, for example u
1=100; v
1, v
2Be the transition deviation amount, can define according to actual needs, for example v
1=10; (X
o, Y
0) be physical plane, virtual map central point place map location coordinate.(a, when b) using C () to change, parameters u
1, u
2, v
1, v
2Can use different pieces of information.As: X
N=100a+10+X
oY
E=80b+20+Y
0
If plane rectangular coordinates (X
N, Y
E) not in the bounds circle of virtual map, then can use gradual change transfer function P () to carry out Coordinate Conversion: a=P (X
N), b=P (Y
E), P () is the gradual change transfer function, obtain the virtual map coordinate (a, b).The virtual map at the virtual map coordinate place that obtains is an edge map.Concrete conversion can be defined as follows:
Wherein, M is the width of the little map of lattice; N is the length of the little map of lattice; L is virtual map radius (comprising the virtual boundary map);
K is virtual general map radius; (X
o, Y
0) be physical plane, virtual map central point place map location coordinate; (X
N, Y
E) be the coordinate of physical plane, user place map location.
Step 105, server send the location response message to terminal, comprise described virtual map coordinate in the response message of described location.
Server can be carried at the virtual map coordinate that obtains in the response message of location after finishing above-mentioned location Calculation, is sent to terminal.The virtual map coordinate is presented at terminal, can make things convenient for the user in virtual world, to find the position of oneself more easily, substantially all is the coordinate points that to use virtual world when the general user exchanges from the recreation of present PC network, finds the place of oneself with other users that make things convenient for friend or receive information easily.For example, the user dies somewhere, and other people cry for help to trade union can to pass through trade union's channel, if at this moment can report the virtual coordinates of oneself, can allow other people find oneself more easily.In addition, use virtual coordinates can allow the user that the virtual world at own place is had more sense of ownership.Concrete, the form of this virtual map coordinate can be (20,30), wherein, this coordinate can be plane rectangular coordinates, is illustrated on the virtual map respectively with respect to the directions X of the origin of coordinates and the distance of Y direction.Simultaneously, the actual geographic position name that can also comprise terminal in the response message of above-mentioned location, can be so that terminal shows the virtual map coordinate time on virtual map, can also be before the virtual map coordinate title of the physical location of display terminal user in reality.For example, association's bridge (20,30).
In addition, server can also continue to search near the virtual map coordinate that obtains other user profile (for example, the position of player C, the pet name etc.), non-role (Non Player Character, be called for short: NPC) the triggering plot information of information and recreation etc., and these information also be carried at the location response message in, be sent to terminal in the lump.Server can also all be preserved above-mentioned information.
In addition, this server can also be stored a series of user related datas such as user's log-on message, login time, online hours, can also carry out the backstage business support, is used for consistency operations such as management data etc.
Step 106, terminal are according to the virtual map of described virtual map coordinate updated stored.
Terminal can promptly be carried out refreshing of map according to the virtual map coordinate that carries in the message virtual map on the new terminal more after receiving the location response message that server sends.In addition, terminal can also and trigger plot information etc. according to the other-end information outside the described terminal in the virtual map coordinate that carries in the message, NPC information, carries out refreshing and a series of recreation flow processs such as triggering of the story of a play or opera of game.After renewal was finished, the terminal use can carry out other game operations.
In addition, aforementioned known, virtual map is divided into the little map of N piece.If terminal use's physical location moving range is less, for example, in tens meters scope, promptly only in a little body of a map or chart when mobile, the setting accuracy of considering positioning equipment may still can not obtain this interior among a small circle position change, and then the user can carry out moving in virtual map by the terminal manual operation; The map that this moment, terminal showed does not refresh, and the shift in position among a small circle in this map just changes the customer location of described terminal correspondence.If terminal use's physical location moving range is bigger, relate to the shift in position of striding two or the little map of polylith, then at this moment, terminal can be carried out refreshing of map, and the other-end information that comprises in the location response message according to the server transmission, NPC information and triggering plot information etc., refresh other relevant informations in the virtual map, for example, other player information, trigger message etc.
The localization method of the embodiment of the invention, actual geographical coordinate by terminal use that positioning equipment is oriented, conversion becomes the virtual map coordinate, and according to described virtual map coordinate, the change of terminal use's physical location is presented on the virtual map of terminal storage, solve not defective intuitively of present mobile phone location recreation, strengthened the intuitive of mobile phone location recreation and recreational.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 3 is the structural representation of server implementation example of the present invention, and as shown in Figure 3, the server of present embodiment can comprise receiver module 31, processing module 32 and sending module 33.
Wherein, receiver module 31 receives locating request message, comprises the actual geographical coordinate of terminal in the described locating request message.
Concrete, this terminal can be mobile phone, comprises smart mobile phone and regular handset.This actual geographical coordinate can be that positioning equipment positions terminal and obtains.Positioning equipment can be gps system or LBS base station navigation system.
Sending module 33 sends the location response message to described terminal, comprises described virtual map coordinate in the response message of described location, so that described terminal is presented at described virtual map coordinate on the virtual map that is stored in described terminal.
Concrete, when terminal was mobile phone, the virtual map of this storage can be the mobile phone games map.Described terminal shows can be, the virtual location change on the mobile phone games map that terminal use's physical location change is corresponding.
On this basis, further, processing module 32 can comprise:
First converting unit 321 is a plane rectangular coordinates with the geographical Coordinate Conversion of described reality.
Concrete, can be latitude and longitude coordinates with actual geographical coordinate by projection function, convert the plane rectangular coordinates under the Gauss plane coordinate system that uses when drawing plane map to.
Judging unit 322 is judged plane rectangular coordinates that described first converting unit 321 obtains whether within the circle of maximum border, and the radius of described maximum border circle is 1.2 times of border circle radius of virtual map; Perhaps, when described plane rectangular coordinates is within the circle of described maximum border, judge that further described plane rectangular coordinates is whether in the bounds circle of described virtual map.
Second converting unit 323 in the bounds circle of described plane rectangular coordinates at described virtual map the time, adopts the ratio transfer function that described plane rectangular coordinates is converted to described virtual map coordinate in result that described judging unit 322 obtains; Perhaps, not in the bounds circle at described virtual map the time, adopt the gradual change transfer function that described plane rectangular coordinates is converted to described virtual map coordinate for described plane rectangular coordinates in result that described judging unit 322 obtains.
In addition, sending module 33 can also be used for sending the location response message to described terminal, comprise other-end information, the NPC information outside the described terminal in the response message of described location and trigger plot information, comprise described other-end information, NPC information and the virtual map that triggers plot information so that described terminal shows.This sending module 33 can also be used for exceeding the virtual map scope to user prompt when judging unit 322 judges that described plane rectangular coordinates is not within the circle of described maximum border.
Concrete, processing module 32 is after obtaining the virtual map coordinate, can also continue to search near the virtual map coordinate that obtains other user profile (for example, the position of player C, the pet name etc.), the triggering plot information of NPC information and recreation etc., and these information also be carried at the location response message in, be sent to terminal by sending module 33 in the lump.
In addition, this server can also comprise data memory module and business support module etc.Wherein, data memory module can be used to store user's log-on message, login time, and a series of user related datas such as online hours, the business support module can be used for consistency operations such as management data.
The server of the embodiment of the invention, actual geographical coordinate by terminal use that positioning equipment is oriented, conversion becomes the virtual map coordinate, and according to described virtual map coordinate, the change of terminal use's physical location is presented on the virtual map of terminal storage, solve not defective intuitively of present mobile phone location recreation, strengthened the intuitive of mobile phone location recreation and recreational.
Fig. 4 is the structural representation of navigation system embodiment of the present invention, and as shown in Figure 4, the navigation system of present embodiment can comprise server 41, terminal 42 and positioning equipment 43.
Wherein, positioning equipment 43, the actual geographical coordinate of locating terminal 42, and described actual geographical coordinate is sent to described server 41.
Concrete, when 43 pairs of terminals 42 of this positioning equipment position, the LBS navigation system that can utilize GPS navigation system or mobile operator to provide.
Server 41, the geographical Coordinate Conversion of described reality that positioning equipment 43 is sent is the virtual map coordinate, and sends the location response message to described terminal 42, comprises described virtual map coordinate in the response message of described location.Coordinate Conversion process wherein can be referring to method embodiment.
Terminal 42 stores virtual map, the described virtual map coordinate that receives can be presented on this virtual map.
Concrete, this terminal 42 can be mobile phone, described virtual map is the mobile phone games map.
On this basis, further, terminal 42 can comprise memory module 421 and display module 422;
Memory module 421 stores virtual map; This virtual map can be the scene map corresponding with the real road situation, and the road and the peripheral profile service of virtual reality can be provided, and can design with perfect according to the actual road conditions and the city layout in city.
Display module 422 can be presented at described virtual map coordinate on the virtual map that is stored in described terminal; Perhaps, show other-end information, NPC information that comprises outside the described terminal and the virtual map that triggers plot information.
In addition, this system when being used for the system of mobile phone location recreation, can also comprise touch screen terminal.This touch screen terminal can be used as the fixed point service providers, can provide the user supplement with money, application carrier such as user shop, task server.Server also can provide functions such as instant chat, shop and recreation back-stage management, make things convenient for the user to exchange nearby and the good friend between interchange, article such as various game items, equipment are provided, stage property and equipment transaction place between the user are provided, and guarantee that operator can guarantee the recreation operation normally.
The navigation system of the embodiment of the invention, actual geographical coordinate by terminal use that positioning equipment is oriented, conversion becomes the virtual map coordinate, and according to described virtual map coordinate, the change of terminal use's physical location is presented on the virtual map of terminal storage, solve not defective intuitively of present mobile phone location recreation, strengthened the intuitive of mobile phone location recreation and recreational.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a localization method is characterized in that, comprising:
Receive locating request message, comprise the actual geographical coordinate of terminal in the described locating request message;
With the geographical Coordinate Conversion of described reality is the virtual map coordinate, and to described terminal transmission location response message, comprise described virtual map coordinate in the response message of described location, so that described terminal is presented at described virtual map coordinate on the virtual map that is stored in described terminal.
2. localization method according to claim 1 is characterized in that, described terminal is a mobile phone, and described virtual map is the mobile phone games map.
3. localization method according to claim 1 is characterized in that, described the geographical Coordinate Conversion of described reality is comprised for the virtual map coordinate:
With the geographical Coordinate Conversion of described reality is plane rectangular coordinates;
Judge described plane rectangular coordinates whether within the circle of maximum border, the radius of described maximum border circle is 1.2 times of border circle radius of virtual map;
If not, then exceed the virtual map scope to user prompt; If further judge that then described plane rectangular coordinates is whether within the border of described virtual map is enclosed; If, then adopt the ratio transfer function that described plane rectangular coordinates is converted to described virtual map coordinate; If do not exist, then adopt the gradual change transfer function that described plane rectangular coordinates is converted to described virtual map coordinate.
4. localization method according to claim 1 is characterized in that, also comprises:
Send the location response message to described terminal, comprise other-end information, the NPC information outside the described terminal in the response message of described location and trigger plot information, comprise described other-end information, NPC information and the virtual map that triggers plot information so that described terminal shows.
5. a server is characterized in that, comprising:
Receiver module is used to receive locating request message, comprises the actual geographical coordinate of terminal in the described locating request message;
Processing module, being used for the geographical Coordinate Conversion of described reality is the virtual map coordinate;
Sending module is used for sending the location response message to described terminal, comprises described virtual map coordinate in the response message of described location, so that described terminal is presented at described virtual map coordinate on the virtual map that is stored in described terminal.
6. server according to claim 5 is characterized in that, described processing module comprises:
First converting unit, being used for the geographical Coordinate Conversion of described reality is plane rectangular coordinates;
Judging unit is used to judge plane rectangular coordinates that described first converting unit obtains whether within the circle of maximum border, and the radius of described maximum border circle is 1.2 times of border circle radius of virtual map; Perhaps, when described plane rectangular coordinates is within the circle of described maximum border, judge that further described plane rectangular coordinates is whether in the bounds circle of described virtual map;
Second converting unit is used in result that described judging unit obtains adopting the ratio transfer function that described plane rectangular coordinates is converted to described virtual map coordinate in the bounds circle of described plane rectangular coordinates at described virtual map the time; Perhaps, not in the bounds circle at described virtual map the time, adopt the gradual change transfer function that described plane rectangular coordinates is converted to described virtual map coordinate for described plane rectangular coordinates in result that described judging unit obtains.
7. server according to claim 5 is characterized in that, described sending module also is used for:
Send the location response message to described terminal, comprise other-end information, the NPC information outside the described terminal in the response message of described location and trigger plot information, comprise described other-end information, NPC information and the virtual map that triggers plot information so that described terminal shows.
8. a navigation system that comprises the arbitrary described server of claim 5～7 also comprises terminal and positioning equipment, it is characterized in that,
Described positioning equipment is used to locate the actual geographical coordinate of described terminal, and described actual geographical coordinate is sent to described server;
Described server, being used for the geographical Coordinate Conversion of described reality is the virtual map coordinate, and sends the location response message to described terminal, comprises described virtual map coordinate in the response message of described location;
Described terminal stores virtual map, is used for described virtual map coordinate is presented at the virtual map that is stored in described terminal.
9. navigation system according to claim 8 is characterized in that, described terminal is a mobile phone, and described virtual map is the mobile phone games map.
10. navigation system according to claim 8 is characterized in that, described terminal comprises:
Memory module is used for the storing virtual map;
Display module is used for described virtual map coordinate is presented at the virtual map that is stored in described terminal; Perhaps, show other-end information, NPC information that comprises outside the described terminal and the virtual map that triggers plot information.
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| CN102088473A (en) * | 2010-11-18 | 2011-06-08 | 吉林禹硕动漫游戏科技股份有限公司 | Implementation method of multi-user mobile interaction |
| CN104133648A (en) * | 2014-07-18 | 2014-11-05 | 奇瑞汽车股份有限公司 | Position-based image display method and device |
| CN104243421A (en) * | 2013-06-19 | 2014-12-24 | 腾讯科技（深圳）有限公司 | Method and system for executing electronic game and device |
| CN107016924A (en) * | 2016-12-20 | 2017-08-04 | 阿里巴巴集团控股有限公司 | Tile map generation method, update method and device in virtual map |
| CN107741819A (en) * | 2017-09-01 | 2018-02-27 | 网易（杭州）网络有限公司 | Information processing method, device, electronic equipment and storage medium |
| CN112015839A (en) * | 2020-08-28 | 2020-12-01 | 北京百度网讯科技有限公司 | Map coordinate processing method, map coordinate processing device, electronic device, and storage medium |
| CN112037122A (en) * | 2020-08-31 | 2020-12-04 | 四川易利数字城市科技有限公司 | Method for using geographic coordinates in game engine |
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