CN101013438A - Method for extending and inquiring graph and multimedia data of electronic map - Google Patents
Method for extending and inquiring graph and multimedia data of electronic map Download PDFInfo
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- CN101013438A CN101013438A CN 200710037284 CN200710037284A CN101013438A CN 101013438 A CN101013438 A CN 101013438A CN 200710037284 CN200710037284 CN 200710037284 CN 200710037284 A CN200710037284 A CN 200710037284A CN 101013438 A CN101013438 A CN 101013438A
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Abstract
This is about expansion and inquiry methods of electronic map graphic and multimedia data, belonging to the information technology area. The invention chooses the corresponding code of electronic map data elements or code these map elements uniformly; use this code in the corresponding map data server or database structure or array to find the relevant information and audio and video streaming and display on the application terminal of electronic map, to achieve the expansion of data content which is not include in current standard format. Users can get the expanded data through local or remote inquiry method to get more information of geographical point. It expands the application of electronic map and accelerates the development of additional value-added business of the electronic map.
Description
Technical field
The present invention relates to a kind of technical field of information processing method, specifically be the method for expansion of a kind of picture and text of electronic chart and multi-medium data and inquiry.
Background technology
In these years since the cost of the end product of gps satellite positioning system reduce gradually, and electronic map data is perfect gradually, commercial satellite location product begins to popularize, but great majority are satnav and navigation product at vehicle, in order to adapt to the demand of this respect product, the data of electronic chart are also mainly served for automobile navigation, its content mainly comprises the title and the direction information of road, and the title of relevant POI point of interest and some simple additional informations, such as telephone number, house number etc.Use GPS equipment in people's the daily use more and more, except vehicle scheduling and navigation, along with mobile phone, equipment such as PDA have embedded the application of GPS, and the notion of location-based service (LBS) has also obtained attention.The notion of location-based service is based on user's current location, offers the corresponding information of user, restaurant for example, parking lot, bank etc.But the information point on the electronic chart has only comprised at present: several simple fixing information such as the title of the positional information of information point (longitude and latitude), position.The content of this information point can't provide more detailed and real-time information, has as neighbouring which market button on sale, and what New cinema near cinema has showing, this family's restaurant's speciality be what or the like.The ISO 14825:2004 international standard formulated of ISO (International Standards Organization) has for example been determined the logic data structure of the geodata file (GDF) that intelligent transportation system is used to have defined general geodata file medium record standard form.The data structure of GDF form more is applicable to the exchange of map datum usually, but be not easy to be directly used in navigation and the location-based service that realizes the mobile navigation terminal, on the one hand because complete GDF form map datum needs bigger storage space usually, calculate nor be suitable for guidance path, also do not stipulate to connect the method for multi-medium data on the other hand.Therefore a lot of equipment have adopted the format map of autonomous definition, and with the method for interchanging data of center service system.Also have much at the compression of existing map datum or the method for inquiry, but do not propose the data content of existing electronic chart is done an expansion and realized its inquiry.Because quantity of information relevant with the position among the daily life is very huge and varied, the demand that the location dependent information that the data of existing electronic chart can not satisfy people to be increased is day by day served.
Through the literature search of prior art is found, the someone proposes to call and show more polyelectron map datum by round-about way.For example Chinese patent application number is the patent of CN01103706.7 " inquiry and linking method of electronic map ", this patent proposes engine and does when searching, picture removes the binding row that each website can occur, the binding icon (ICON) that electronic chart also can occur, click this binding icon, just can and link toward the electronic chart website, after server examination identification code message is errorless, just can spread out of relevant electronic chart information with the identification code data; Also can be linked to arbitrary independent website, and then click the electronic chart binding icon of this independent website, can have access to out the relevant electronic chart information in this website equally from the Query Result picture.Though this patent has proposed a kind of method and has inquired about and called electronic map data.But this method implements the influence that can be subjected to network speed, and causes access speed very slow; Simultaneously because clearly to the positional information classification and the arrangement of electronic chart, much be not the data that the user really needs in the data of obtaining by the website.
Because at service industries such as tourism, shopping, food and drink, lodging, Real-time Traffic Informations, people wish that the content of understanding is more, and these data not only comprise more picture and introduce text that also having a lot of data is Voice ﹠ Video contents.What existing electronic chart generally adopted is that a whole data file is exactly an electronic map file, and the foregoing that adds does not out have at present to formulate good method they and electronic chart are connected.
Summary of the invention
The objective of the invention is at above shortcomings in the prior art, a kind of picture and text of electronic chart and the method for multi-medium data expansion and inquiry are provided, essential informations such as the positional information (latitude and longitude information) of the location point on medium information such as text that its method of utilizing database technology or structural array effectively will be relevant with the position, picture, audio frequency, video and the map and location name are organically combined, be convenient to upgrade and inquiry.Realization provides the more detailed information content at the position to the user.
The present invention is achieved by the following technical solutions, and step of the present invention is as follows:
A) select the correspondence coding of the map elements in the electronic map data or in addition to these map elementses carry out uniqueness coding (hereinafter to be referred as: coding);
B) coding that produces according to a) step, files in stream media such as graph text information that these map elementses are relevant and audio frequency and video are set up corresponding database or structural array;
C) database that step b) is generated or structural array store into Local or Remote map datum service end (hereinafter to be referred as: in memory storage service end) in the corresponding memory block;
More than three steps realized the expansion of the picture and text and the multi-medium data of electronic chart.
The present invention is based on the picture and text of electronic chart of above-mentioned extended method and the querying method of multi-medium data may further comprise the steps:
D) when needs inquiries or when extracting the additional information of some map elements in the electronic chart, utilize the electronic chart application end (hereinafter to be referred as: software application end) extracts one or multinomial map elements.Can import or select to want the key word of query contents and the classification of information such as the user, and confirm inquiry; Perhaps the rule reserved in advance in advance of the spontaneous basis of software is chosen the classification of map elements and information.Then all qualified map elementses are obtained its coding according to coding rule;
E) application end is transferred to service end with the coding of step d) extraction;
F) the service end basis is searched files in stream media such as corresponding graph text information and audio frequency and video by being coded in of step e) acquisition in database or the structural array, and sends to application end;
G) files in stream media such as application end these graph text informations that will obtain and audio frequency and video show by application end or suggestion device shows the user.
What wherein need to state is that the present invention mainly produces at the expansion of map datum, and at the necessary attribute of the map elements in the electronic chart, such as latitude and longitude value, does not belong to the necessary data of the expansion of map datum among the present invention.
One of purpose of the present invention, the method that provides a kind of easy suitable all maps to be used for the extended multimedia data content, and the main way of expansion content is that content and actual geographic position are associated, so just very important to the coding of map elements, above-mentioned steps a) mainly contains following three kinds of coding methods:
1. among the present invention a kind of best be directly to adopt the value of longitude and latitude parameter of map elements point, line, surface in the existing electronic chart form etc. to map constituent encoder and the method being convenient to inquire about as Data Source, for example the longitude of its map elements be ddd.mm.ss (degree. divide. second form), latitude is DD.MM.SS, then its coding can be represented with dddmmssDDMMSSXX, letter wherein is tens digit, and " XX " wherein can be used for distinguishing point or line or the face on the same position.
2. be to add new parameter in the attribute of the map elements point, line, surface etc. in existing electronic chart form to the method for map constituent encoder preferably certainly; Give the coding of the coding of a uniqueness of this parameter assignment, for example in the attribute of map elements A, add parameter " MID " and its assignment is " 0086021000001 ", then being encoded to of this map elements A " 0086021000001 " as map elements.
3. another kind of is directly to adopt the value of ID parameter of map elements point, line, surface in the existing electronic chart form etc. as the coding of map elements to the method for map constituent encoder preferably.Map elements B is for example arranged in electronic chart, just exist in the unique parameter " ID " of numerical value in the map in its attribute originally, its value then directly adopts the coding of the value " 0086021000002 " of this parameter as this map elements B for " 0086021000002 ".The picture and text that the coding that utilizes said method to produce then is corresponding with this map elements and the memory location, place or the content of multi-medium data constitute a relational database or structural array together.
Two of purpose of the present invention provides a kind of convenience fast and effectively at the querying method of growth data content.Above-mentioned steps d) described querying method has following three types:
1. query script is that user by application end initiatively initiates.Generally in total system, application end is all supporting place information inquiry software, it can be on portable terminal, also can be on the terminal of stationkeeping, the fundamental purpose of using this software is to make things convenient for the user to import to need content of inquiring about and the classification of selecting query contents, obtain corresponding Query Result then, be called in this letter by " application end software ".When the user initiatively need understand the additional information of these map elementses in the electronic chart, the user utilized application end software to choose position or zone, extracts one or multinomial map elements and obtain respective coding in this map according to the position of choosing or zone.
2. also have a kind of query script to initiate automatically by application end software, when it initiates inquiry to the additional information of these map elementses in the electronic chart automatically according to the current position of user, application end software is chosen a zone according to user's current location according to prior setting, and extract one or multinomial map elements in this electronic chart according to zone of choosing and prior being set in, obtain respective coding then.
3. also have a kind of query script to initiate by service end, service end is according to user's classification, such as position classification, character classification by age, hobby classification, sex classification, or the like filter out the user who needs service, service end is extracted one or multinomial map elements according to position of choosing or zone simultaneously in electronic chart, and obtaining respective coding and the key element title sends to application end, application end is selected respective coding as required.
Compared with prior art, the present invention has following beneficial effect: (1) the present invention enriches the information content of map elements with the form of multimedia document, the user help the user to obtain the abundant more relevant content information in position except simple Name ﹠ Location, so that can obtain many facilities of " clothing, food, live, row, object for appreciation " or the like each side more easily.(2) by method of the present invention, can utilize the picture and text of this electronic chart and the method for multi-medium data expansion, with the various abundant content information on the network, and data, services merchant's real-time information combines with electronic chart and GPS positioning system.Realize LBS Location-based Mobile Pedestrian Navigation Services truly.(3) the present invention also provides an initiatively distribution platform of promotion message for businessman.And the user has also obtained obtaining its required information according to own position easily and has obtained platform, and need not go to screen in the promotion message that covers the sky and the earth again.Can be on the relevant position point of own retail shop on the electronic chart, as businessman with the up-to-date product information of the displaying of multimedia form, popularization activity etc.
Description of drawings
Fig. 1 is the inventive method process flow diagram.
Fig. 2 is an example that has comprised the local map of 4 non-isolated nodes, 1 isolated node, 4 limits, 1 face.
Fig. 3 is application end and the structure of service end in same integrating device and the synoptic diagram of query manipulation method.
Fig. 4 be application end with service end in two different hardware units structure and the synoptic diagram of query manipulation method.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The demonstration of a simple electronic chart is arranged as shown in Figure 2,1,2,3,4 and isolated nodes 5 of four non-isolated nodes are arranged, and four edges 6,7,8,9 and by 7,8,9 faces 10 that surround, this is the main topological key element of most electronic charts.
Step a) as Fig. 1 is encoded according to the coded system described in the summary of the invention 2 to its all map elements, and the coding of the map elements that then obtains is shown in first row " map elements coding " of table 1.
After obtaining coding, main method according to step b), this has example " the in detail title " corresponding with it of 10 map elementses with Fig. 2, " brief introduction ", " picture A ", " audio file name ", " video file name ", information such as " versions " combines, (such as describe content with the KML form of Google company, think that also it belongs to a kind of mode of structural array, the KML full name is Keyhole Markup Language to generate the relational database of structure as shown in table 1 or structural array, be a file, be used for describing and preservation geography information such as point based on XML grammer and file layout, line, picture, broken line also shows among client).Table 1 only is the synoptic diagram of the storage file of relational database the simplest generating according to Fig. 2 and content of multimedia that may be related thereof or structural array.Wherein column can be set as required, such as increasing " picture B " column in addition again, can certainly reduce column as required, and wherein not necessarily necessary at the relevant picture and text and the multi-medium data of each map elements, can be sky such as " path two brief introductions ".What wherein need to state once more is that the present invention mainly produces at the expansion of map datum, and at the necessary attribute of the map elements in the electronic chart, such as latitude and longitude value, does not belong to the necessary data of the expansion of map datum among the present invention.
Then that relational database shown in the table 1 or structural array is described according to step c), be stored in the memory storage of Local or Remote map datum service end in the corresponding memory block, simultaneously with the also corresponding preservation of corresponding picture and text with the multimedia data file collection.Among the present invention and Fig. 1 described in service end and application end can be in same hardware unit (as Fig. 3), also can be in different hardware units (as Fig. 4).So relational database shown in the table 1 or structural array can be stored in the memory storage among Fig. 3 or Fig. 4.
When needs query expansion data, according to step d), the user is at Fig. 3 or " input media " (or " satellite positioning device " shown in Figure 4, here with satellite positioning device also as a kind of input equipment, the content of its input is exactly its longitude and latitude of catching) the middle content that needs inquiry of importing, as " scenic spot four "; The classification of selection information is " audio frequency ", and Fig. 3 or " control and computing unit " shown in Figure 4 are found its map elements as requested and be encoded to " 0086021000004 " at this moment.
The data category that to encode and require according to step e) sends to service end (coding and data category shuffling transmission or the transmission respectively together that requires) again, is application end and the structure of service end in a hardware set apparatus for converting and the synoptic diagram of query manipulation method as Fig. 3.(so the relational database of the picture and text among Fig. 3 and multimedia data file collection, service end or structural array file, electronic map file can download to the renewal that realizes data in the memory storage of this integrating device by variety of way.) therefore in Fig. 3, inquire about in this locality exactly, the another one software module that directly sends " control and computing unit " to is just passable.As Fig. 4 be application end with service end in two different hardware units structure and the synoptic diagram of query manipulation method.Therefore the data category that will encode and require exactly in Fig. 4 sends to " control and the computing unit " of service end by communication device.
" control and computing unit " according to the step f) service end is the data category " audio frequency " of " 0086021000004 " and requirement according to the fgs encoder that obtains, in database or structural array, find the corresponding data " audio file four " that needs extraction, and send to application end, or directly obtain the corresponding data " audio file four " that extracts as shown in Figure 3 by communication device shown in Figure 4.
Utilize application end demonstration or suggestion device that " audio file four " played back according to the step g) application end again.What need to replenish is that the picture and text and the multimedia data file of application end among Fig. 4 inquired about and obtained by the telecommunication access modes, therefore the application end among Fig. 4 can directly show the user with picture and text and the multimedia data file that obtains by demonstration or suggestion device, showing the user again after also can storing in the local memory storage, is exactly that the user has heard " audio file four " introduction to " scenic spot 4 " in this embodiment.
Can provide more detailed picture and text and multimedia messages for the user easily by above multi-form hardware configuration or inquiry mode.During such as the audio file of picture that omnibearing tourist attractions are provided to the traveller and the tour description and direction that records, the traveller can be by the simple operations to hand-held portable devices such as smart mobile phone, PDA, just can understand the background at this sight spot better, historical or the like.
Table 1 is a kind of picture and text of electronic chart and storage file structure figure of multi-medium data expansion of being applicable to.
| The map elements coding | Detailed title | Brief introduction | Picture A | The audio file name | The video file name | Version |
| 0086021000001 | Scenic spot one | Sight spot one brief introduction | Picture one | Audio file one | Video file one | 1.0.0 |
| 0086021000002 | Scenic spot two | Sight spot two brief introductions | Picture two | Audio file two | Video file two | 1.0.1 |
| 0086021000003 | Scenic spot three | Sight spot three brief introductions | Picture three | Audio file three | Video file three | 1.0.0 |
| 0086021000004 | Scenic spot four | Sight spot four brief introductions | Picture four | Audio file four | Video file four | 1.0.1 |
| 0086021000005 | Scenic spot five | Sight spot five brief introductions | Picture five | Audio file five | Video file five | 1.0.1 |
| 0086021000006 | Path one | Path one brief introduction | Picture six | Audio file six | Video file six | 1.0.0 |
| 0086021000007 | Path two | Path two brief introductions | Picture seven | Audio file seven | Video file seven | 1.1.0 |
| 0086021000008 | Path three | Path three brief introductions | Picture eight | Audio file eight | Video file eight | 1.2.0 |
| 0086021000009 | Path four | Path four brief introductions | Picture nine | Audio file nine | Video file nine | 1.2.0 |
| 0086021000010 | Scenic spot one | Scenic spot one brief introduction | Picture ten | Audio file ten | Video file ten | 2.0.0 |
Claims (9)
1, the method for a kind of picture and text of electronic chart and multi-medium data expansion is characterized in that, may further comprise the steps:
A) select the correspondence of the map elements in the electronic map data to encode or the other coding that these map elementses is carried out uniqueness;
B) coding that produces according to a) step, graph text information and files in stream media that these map elementses are relevant are set up corresponding database or structural array;
C) in the memory storage that database that step b) is generated or structural array store Local or Remote map datum service end in the corresponding memory block, realize the picture and text of electronic chart and the expansion of multi-medium data.
2, the method for the picture and text of electronic chart according to claim 1 and multi-medium data expansion, it is characterized in that, in the step a), described coding is meant: the value of longitude and latitude parameter that directly adopts the map elements point, line, surface in the existing electronic chart form is as Data Source.
3, the method for the picture and text of electronic chart according to claim 1 and multi-medium data expansion, it is characterized in that, in the step a), described coding, be meant: add new parameter in the attribute of the map elements point, line, surface in existing electronic chart form, give the coding of the coding of a uniqueness of this parameter assignment as map elements.
4, the method for the picture and text of electronic chart according to claim 1 and multi-medium data expansion, it is characterized in that, in the step a), described coding is meant: the value of ID parameter that directly adopts the map elements point, line, surface in the existing electronic chart form is as the coding of map elements.
5, the method for the picture and text of electronic chart according to claim 1 and multi-medium data expansion, it is characterized in that, in the step b), described corresponding database or the structural array set up, be meant: the value of ID parameter that directly adopts the map elements point, line, surface in the existing electronic chart form utilizes this coding picture and text corresponding with this map elements and the memory location, place or the content of multi-medium data to constitute a relational database or structural array together as the coding of map elements then.
6, a kind of method of inquiring about based on the picture and text and the multi-medium data of the described electronic chart of claim 1 is characterized in that, may further comprise the steps:
D) when needs are inquired about or extract the additional information of some map elements in the electronic chart, utilize the software of electronic chart application end to extract one or multinomial map elements, then all qualified map elementses are obtained its coding according to coding rule;
E) application end is transferred to service end with the coding of step d) extraction;
F) the service end basis is searched corresponding graph text information and files in stream media by being coded in of step e) acquisition in database or the structural array, and sends to application end;
G) application end these graph text informations that will obtain and files in stream media show by application end or suggestion device shows the user.
7, the method for the picture and text of electronic chart according to claim 1 and multi-medium data inquiry, it is characterized in that, in the step d), described inquiry, be that user by application end initiatively initiates, when the user initiatively need understand the additional information of these map elementses in the electronic chart, utilize the software of application end to choose position or zone, extract one or multinomial map elements according to position of choosing or zone in this map, application end obtains respective coding.
8, the method for the picture and text of electronic chart according to claim 1 and multi-medium data inquiry, it is characterized in that, in the step d), described inquiry, be to initiate automatically by the software of application end, in the application end software position current according to the user initiated electronic chart automatically during the inquiry of the additional information of these map elementses, application end software is chosen a zone according to user's current location according to prior setting, and extract one or multinomial map elements in this electronic chart according to zone of choosing and prior being set in, application end obtains respective coding.
9, the method for the picture and text of electronic chart according to claim 1 and multi-medium data inquiry, it is characterized in that, in the step d), described inquiry, initiate by service end, service end is according to user's classification, comprise position classification, character classification by age, hobby classification, sex classification, filter out the user who needs service, service end is extracted one or multinomial map elements according to position of choosing or zone simultaneously in electronic chart, and obtaining respective coding and the key element title sends to application end, application end is selected respective coding as required.
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| WO2012126307A1 (en) * | 2011-03-21 | 2012-09-27 | 腾讯科技（深圳）有限公司 | Information aggregation display method and device based on location service |
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| US10360468B2 (en) | 2014-12-26 | 2019-07-23 | Samsung Electronics Co., Ltd. | Method for identifying location of electronic apparatus, electronic apparatus, and operating method of server |
| CN105737804B (en) * | 2014-12-26 | 2020-09-08 | 三星电子株式会社 | Method for identifying position of electronic device, electronic device and server operation method |
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