CN101582068A - Method and system for organizing geographic data - Google Patents
Method and system for organizing geographic data Download PDFInfo
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- CN101582068A CN101582068A CNA200810106539XA CN200810106539A CN101582068A CN 101582068 A CN101582068 A CN 101582068A CN A200810106539X A CNA200810106539X A CN A200810106539XA CN 200810106539 A CN200810106539 A CN 200810106539A CN 101582068 A CN101582068 A CN 101582068A
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Abstract
The invention discloses a method for organizing geographic data, comprising the following steps: a data source is acquired; an interface is provided for the data source according to a predefined specification, and image layers are generated according to the data source; a pointer pointing at all the image layers is generated; commands are sent to the image layers by a hinge structure; and the commands are executed by the image layers after the commands sent by the hinge structure are received by the image layers. The invention also discloses a system for organizing geographic data. With the invention, the data source can be any source of any type and can be added to the system to serve as the image layers of the system if only the interface is provided, which fully embodies the flexibility and the expandability of the system.
Description
Technical field
The present invention relates to the geographic information processing technical field, particularly relate to a kind of method and system of organizing geographic data.
Background technology
Electronic map technique is that multinomial modern technologies such as collection geographic information system technology, digital mapping technology, multimedia technology and virtual reality technology are the complex art of one.Electronic chart be a kind of be background with visual numerical map, it with multimedias such as text, photo, chart, sound, animation, videos the present information product of the regional complex looks such as displaying city, enterprise, tourist attractions of expression means, it can be stored in the computing machine external memory, propagate with forms such as read-only optical disc, networks, provide popular with forms such as desktop computer or touch screen computer and use.
The more New steps of map datum be subjected to socioeconomic influence very big, for example for the city terrain data, urban development is fast more, its update cycle is just short more, because the purpose of design electronic chart is the looks that reflect the city truly, will upgrade current map in time so, so electronic chart is after designing, maintenance work also is a very important task, and a good electronic map system will take into full account the dirigibility of system when design.
Along with DEVELOPMENT OF GEOGRAPHICAL INFORMATION SYSTEM and perfect, the technology of designing and developing of electronic chart is also ripe day by day.Realization for the ease of program, when drawing electronic chart, map delamination can be drawn, the standard of prior art layering is according to the type of data different data to be classified, for example for the paint data of types such as circuit of building, river traffic route, information point, user, the data merging that system is close with type is depicted as a figure layer, and the data that type is different are depicted as independent figure layer.When need adding data, the type of elder generation of system judgment data, the appropriate location of then data being added to figure layer under the type.
The shortcoming of this technology is, because the map datum source is different because of concrete condition, each big map factory commercial city only provides interface for the data of oneself, and interface format and data layout are all inequality, the data of same manufacturers produce factor again are divided into some independently interfaces according to kind is different, when therefore utilizing these data sources that map is upgraded, can only add the data that can be complementary with the data type of certain figure layer, for the system that has designed, if add the data of newtype, then need on the whole change is done by system, limited the dirigibility and the extensibility of system.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method and system of organizing geographic data, solving prior art when adding the newtype data, need do on the whole change to system, thereby limit the dirigibility of system and the problem of extensibility.
For achieving the above object, the invention provides following scheme:
A kind of method of organizing geographic data comprises:
Obtain data source;
For data source realizes interface according to predefined standard, and according to data source data generation figure layer;
Generate the pointer that points to each figure layer;
Hubbing structure sends order by described pointer to the figure layer;
After the figure layer receives the order of hubbing structure, carry out described order.
Wherein, also comprise:,, the data of each figure layer are plotted in order the relevant position of coordinate system according to described coordinate system for All Layers is provided with identical coordinate system.
Wherein, also comprise: for each figure layer is provided with event broadcast and interception system.
Wherein, hubbing structure comprises to the step that the figure layer sends order by described pointer:
The figure layer of the superiors is caught user's operation requests by interception system;
Described figure layer is transmitted to hubbing structure by broadcast system with this request;
Hubbing structure sends order by the pointer that points to the figure layer to the correlogram layer according to the content of request.
Wherein, realize that according to predefined standard interface specifically comprises for data source: generate different interfaces according to data of different types.
Wherein: described interface comprises map interface and satellite information interface.
A kind of system of organizing geographic data comprises:
The data source acquiring unit is used to obtain data source;
Interface is realized the unit, is used to data source to realize interface according to predefined standard;
Figure layer generation unit is used for according to the data source data generation figure layer of having realized described interface;
Pointer generator is used to generate the pointer that points to each figure layer;
Hubbing structure is used for sending order by described pointer to the figure layer.
Wherein, also comprise:
Coordinate system is provided with the unit, is used to All Layers that identical coordinate system is set;
The data drawing unit is used for the data of each figure layer being plotted in order the relevant position of coordinate system according to described coordinate system.
Wherein, also comprise:
Broadcasting and interception system are provided with the unit, are used to each figure layer that event broadcast and interception system are set; Wherein, described figure layer is caught user's operation requests by interception system, and by broadcast system this request is transmitted to hubbing structure.
Wherein, described hubbing structure also is used for:
User's operation requests that reception is transmitted by figure layer, and, send order to the correlogram layer by the pointer that points to the figure layer according to the content of request.
Wherein:
Described interface realizes that the unit generates different interfaces according to data of different types.
Wherein:
Described interface comprises map interface and satellite information interface.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
At first, the present invention obtains data source; For data source realizes interface according to predefined standard, and according to data source data generation figure layer; Generate the pointer that points to each figure layer; Hubbing structure sends order by described pointer to the figure layer; After the figure layer receives the order of hubbing structure, carry out described order, make that data source can be any kind, any source, just can add in the system as long as realized the interface of regulation, become the figure layer of system, embodied the dirigibility and the extensibility of system fully.
Secondly, different interfaces is realized in the data of different types source, and will have been realized that the data source of distinct interface shows as different figure layers, is convenient to the realization of system.
Once more, any figure layer is after capturing user's request of operating, not to handle immediately, but by request being forwarded to the mode of hubbing structure, make the hubbing structure of grasping more information decide the scheduling of resource and figure layer, the incident that has embodied central authorities-ground mode flows and processing mode, is convenient to respond better user's operation requests.
Description of drawings
Fig. 1 is the process flow diagram of the method that provides of the embodiment of the invention;
Fig. 2 is the process flow diagram of the other method that provides of the embodiment of the invention;
Fig. 3 is the schematic representation of apparatus that bright embodiment provides;
Fig. 4 is another schematic representation of apparatus that inventive embodiments provides;
Fig. 5 is another schematic representation of apparatus that inventive embodiments provides.
Embodiment
The invention provides a kind of method of organizing geographic data, the method that the embodiment of the invention provides is at length introduced below in conjunction with accompanying drawing.
Embodiment, referring to Fig. 1, the method for the organizing geographic data that the embodiment of the invention provides may further comprise the steps:
S101: obtain data source;
Wherein, data source can be a data downloaded from the network, also can be to be kept at local data, in the practical application, correspondingly obtains as required.
S102: for data source realizes interface according to predefined standard, and according to data source data generation figure layer;
Different with the layered approach of map in the prior art, the map delamination method that the embodiment of the invention adopts is to define interface specification at system design stage, just can add in the system as long as realized the data source of the interface of this standard; Therefore when the design map, can determine which data needs add, after getting access to these data sources, just can realize interface for this data source then according to the standard that has defined according to the needs of practical business.As seen, the data source of figure layer can be any form, any source, just can add in the system as long as realized the interface of regulation, and generate the figure layer according to the data of data source.
Need to prove, when scheming layer, can data be classified according to the type of data according to the data generation of data source.The data merging that type is identical or close is plotted as a figure layer, and the data that type is different are plotted as independent figure layer.Therefore, the figure layer of Sheng Chenging is a plurality of here, and each figure layer does not have strict data requirement and overlay order, can decide overlay order and combination situation according to concrete needs and actual conditions.
S103: generate the pointer that points to each figure layer;
In actual applications, map level management system can be designed to a framed structure, be made up of container and hubbing structure, wherein container is used to place map level object.The data source that has realized the interface of standard just can be used as a figure layer, and the pointer of interface is placed in this container.Hubbing structure can provide a series of method to come operating system, such as moving map, rotation map, convergent-divergent map etc., and coordinate All Layers in these methods, and the order that will carry out these actions sends to All Layers, allows these figure layers come these functions of specific implementation.
As mentioned before, just can become the figure layer in the system as long as realized the data source of regulation interface, and in map, show.Wherein concrete procedure for displaying is not the content that the present invention is concerned about, does not therefore describe in detail at this.
S104: hubbing structure sends order by described pointer to the figure layer;
Wherein, hubbing structure can abstractly be the map control method, is come each figure layer is controlled by this hubbing structure.Each figure layer can be called by hubbing structure by the pointer that has generated, and hubbing structure can send order by each figure layer in container like this, orders each figure layer to go to finish corresponding task.
S105: after the figure layer receives the order of hubbing structure, carry out described order.
In actual applications, method provided by the invention also can be added new figure layer according to actual needs in system, just can obtain new data source this moment, the method that provides according to embodiment one then, interface is realized according to predefined standard in this new data source, and generate new figure layer, and then generate the pointer that points to this new figure layer according to the data of this data source.Like this, just finished the process of the new figure layer of in system increase, hubbing structure just can be by the pointer of new figure layer, sends to new figure layer and has ordered.
From as seen above-mentioned, the method that the embodiment of the invention provides is as long as realized that to data source the interface of regulation just can add in the system, be generated as the figure layer of system, thereby realized and data source and the irrelevant project organization of data layout, can cope with shifting events by sticking to a fundamental principle, the data source of comprehensive various data and each manufacturer, the data that can obtain with effective and efficient manner utilization.
All Layers can have common coordinate system, for example, with longitude and latitude zero point as initial point, northwards be longitudinal axis positive dirction, be eastwards the transverse axis positive dirction.According to this coordinate system,, the content of various levels of data based data is plotted in the relevant position of coordinate system in the data drawing process according to the order that makes progress the end of from.Hubbing structure can be held all types of figure layers wherein, during program run dynamically interpolation figure layer, move the figure layer or the figure layer made other any free burial grounds for the destitute of making by oneself revise, as according to service needed additions and deletions figure layer or change each figure interlayer ground order optionally.
In order to adapt to practical application better, each figure layer can have a cover event broadcast and an interception system, make the figure layer can respond user's request, and this processing of request process is transmitted to hubbing structure or other figure layer (usually as required, it is necessary being transmitted to hubbing structure), hubbing structure is receiving notice back dispatching system, and handles these requests as required, continues to be distributed to interested other figure layer simultaneously.And scheme layer owing to realized the interface that a cover defines, these interfaces just can be used for by system call.Hubbing structure just can send order to each figure layer by these interfaces like this, and each figure layer of order goes to finish corresponding task.And from user's viewpoint of measures, map is done whole variation according to concrete operations, can not impact on the visual perception the user.Therefore, referring to Fig. 2, system can may further comprise the steps when the response user asks:
S201: uppermost figure layer is caught user's operation requests by interception system;
S202: this figure layer is transmitted to the user's operation requests that captures any interested object that comprises hubbing structure by broadcast system;
S203: each schemes layer to hubbing structure according to the service conditions scheduling, and orders each figure layer to be finished with the user and operate some relevant common operations;
S204: after the figure layer is received the order of hubbing structure,, finish oneself need doing of task according to the characteristics of self.
From as seen above-mentioned, any one figure layer is after capturing user's operation, can oneself not handle immediately, but report hubbing structure earlier, by the hinge of grasping more information decide to employ which resource on earth, which task which figure layer finishes, but hubbing structure itself is not finished actual business, and hinge can command each figure layer to come the back miscellaneous service.Form the moving and processing mode of central authorities-ground mode flow of event thus, be convenient to respond better user's request.
In the above-described embodiments, by realizing the method for organizing of source of map data for the data source that gets access to realizes the interface of regulation, and in actual applications, for the ease of realizing, can at first data source be classified according to the type of data, realize different interfaces respectively, for example data source can be divided into map class and satellite information class two big classes, after receiving data source, type that can first judgment data source, then for the map class data realize map interface, for satellite information class data realize the satellite information interface.Simultaneously, also the container in the framed structure is divided into two kinds, a kind ofly is used to deposit the figure layer of realizing map interface, a kind ofly be used to deposit the figure layer of having realized the satellite information interface.
Wherein, map interface is the minimum attribute and the method collection of map layer, is the class that necessary fundamental method of map framework and attribute are formed.All map class data sources of adding in the map framework are all inherited from it, and rewrite its method; The satellite information interface is the base class of map label information and setting-out navigation etc., be used on map, dynamically adding satellite information, every function that need represent additional information according to the map, can finish by realizing this interface, this interface comprises certain attribute and method equally, and subclass can realize this interface by rewriteeing these methods effectively.
Corresponding with the method that the embodiment of the invention provides, the embodiment of the invention also provides a kind of system of organizing map data, and referring to Fig. 3, this system comprises:
Data source acquiring unit U301 is used to obtain data source;
Interface is realized unit U302, is used to data source to realize interface according to predefined standard;
Figure layer generation unit U303 is used for the data generation figure layer according to the data source that has realized described interface;
Pointer generator U304 is used to generate the pointer that points to each figure layer;
Hubbing structure U305 is used for sending order by described pointer to the figure layer.
After the mapping personnel got access to data source by data source acquiring unit U301, interface realized that unit U302 is that data source realizes interface according to predefined standard; Then, figure layer generation unit U303 just can be according to the data generation figure layer of the data source that has realized described interface; Here can generate a plurality of figure layers according to the difference of data type; Generate the pointer that points to each figure layer by pointer generator U304 then; Hubbing structure U305 just can send to the figure layer by described pointer and order, and each figure layer can be carried out corresponding task according to the characteristics of self after the order that receives hubbing structure U305.
When the drafting personnel find to increase the figure layer for system, the data source that data source acquiring unit U301 also is used for; Interface realizes that unit U302 is that new data source realizes interface according to predefined standard, and figure layer generation unit U303 also is used for generating new figure layer according to the data of the data source that has realized described interface; Pointer generator U304 also is used to generate the pointer that points to new figure layer.
The drafting of each figure layer can be provided with identical coordinate system for each figure layer for convenience, and then, referring to Fig. 4, this system also comprises:
Coordinate system is provided with unit U306, is used to All Layers that identical coordinate system is set;
Data drawing unit U307 is used for the data of each figure layer being plotted in order the relevant position of coordinate system according to described coordinate system.
In order to respond user's operation requests better, referring to Fig. 5, this system also comprises:
Broadcasting and interception system are provided with unit U308, are used to each figure layer that event broadcast and interception system are set.
At this moment, the figure layer of the superiors just can be caught user's operation requests by interception system, and by broadcast system this request is transmitted to the interested object that comprises hubbing structure U305, then,
Hubbing structure U305 also is used for: receive client's operation requests of being transmitted by the figure layer of the superiors, and hubbing structure sends order by the pointer that points to the figure layer to the correlogram layer according to the content of request.
For the ease of realizing, can be at system design stage according to the different interface specification of dtd, when system added data source, data of different types was integrated from different interfaces, can reach equally can both add all types of data in the system purpose.Then,
Interface realizes that the interface that unit U302 realizes comprises: generate different interfaces according to data of different types.
Wherein, in actual applications, described interface can comprise map interface and satellite information interface continuous cropping interface.
As seen from above-mentioned, in actual applications, system can comprise hubbing structure and figure layer module, and wherein hubbing structure is responsible for scheduling, and the figure layer is responsible for drawing and is waited other personalized affairs.For example, can comprise figure layers such as bottom, information point layer, line layer in the embodiment of the invention, wherein, bottom is responsible for showing basic cartographic information, as road, building etc.; The information point layer is responsible for the interest point information that explicit user checks out; Line layer be responsible for explicit user search public bus network, drive circuit that circuit and user draw etc.
More than the method and system of a kind of organizing geographic data provided by the present invention are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention.
Claims (12)
1, a kind of method of organizing geographic data is characterized in that, comprising:
Obtain data source;
For data source realizes interface according to predefined standard, and according to data source data generation figure layer;
Generate the pointer that points to each figure layer;
Hubbing structure sends order by described pointer to the figure layer;
After the figure layer receives the order of hubbing structure, carry out described order.
2, method according to claim 1 is characterized in that, also comprises: for All Layers is provided with identical coordinate system, according to described coordinate system, the data of each figure layer are plotted in order the relevant position of coordinate system.
3, method according to claim 1 is characterized in that, also comprises: for each figure layer is provided with event broadcast and interception system.
4, method according to claim 3 is characterized in that, hubbing structure comprises to the step that the figure layer sends order by described pointer:
The figure layer of the superiors is caught user's operation requests by interception system;
Described figure layer is transmitted to hubbing structure by broadcast system with this request;
Hubbing structure sends order by the pointer that points to the figure layer to the correlogram layer according to the content of request.
5, method according to claim 1 is characterized in that, for data source realizes that according to predefined standard interface specifically comprises: generate different interfaces according to data of different types.
6, method according to claim 5 is characterized in that: described interface comprises map interface and satellite information interface.
7, a kind of system of organizing geographic data is characterized in that, comprising:
The data source acquiring unit is used to obtain data source;
Interface is realized the unit, is used to data source to realize interface according to predefined standard;
Figure layer generation unit is used for according to the data source data generation figure layer of having realized described interface;
Pointer generator is used to generate the pointer that points to each figure layer;
Hubbing structure is used for sending order by described pointer to the figure layer.
8, system according to claim 7 is characterized in that, also comprises:
Coordinate system is provided with the unit, is used to All Layers that identical coordinate system is set;
The data drawing unit is used for the data of each figure layer being plotted in order the relevant position of coordinate system according to described coordinate system.
9, system according to claim 7 is characterized in that, also comprises:
Broadcasting and interception system are provided with the unit, are used to each figure layer that event broadcast and interception system are set; Wherein, described figure layer is caught user's operation requests by interception system, and by broadcast system this request is transmitted to hubbing structure.
10, system according to claim 9 is characterized in that, described hubbing structure also is used for:
User's operation requests that reception is transmitted by figure layer, and, send order to the correlogram layer by the pointer that points to the figure layer according to the content of request.
11, system according to claim 7 is characterized in that:
Described interface realizes that the unit generates different interfaces according to data of different types.
12, system according to claim 11 is characterized in that:
Described interface comprises map interface and satellite information interface.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103049267A (en) * | 2012-12-18 | 2013-04-17 | 广东威创视讯科技股份有限公司 | Image data processing method and device |
| CN104317567A (en) * | 2014-09-28 | 2015-01-28 | 南京国图信息产业股份有限公司 | Method for batched map drawing by utilizing computer to operate map elements |
| WO2016101797A1 (en) * | 2014-12-25 | 2016-06-30 | 高德软件有限公司 | Electronic map compilation method and apparatus |
| CN107063273A (en) * | 2011-05-19 | 2017-08-18 | Sk 普兰尼特有限公司 | Real-time map data update system and method |
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| CN101075248A (en) * | 2007-06-22 | 2007-11-21 | 上海众恒信息产业有限公司 | System and method for providing geographical information system interface service |
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| CN107063273A (en) * | 2011-05-19 | 2017-08-18 | Sk 普兰尼特有限公司 | Real-time map data update system and method |
| CN107063273B (en) * | 2011-05-19 | 2021-05-25 | Sk 普兰尼特有限公司 | Real-time map data updating system and method |
| CN103049267A (en) * | 2012-12-18 | 2013-04-17 | 广东威创视讯科技股份有限公司 | Image data processing method and device |
| CN103049267B (en) * | 2012-12-18 | 2016-08-24 | 广东威创视讯科技股份有限公司 | A kind of image processing method and device |
| CN104317567A (en) * | 2014-09-28 | 2015-01-28 | 南京国图信息产业股份有限公司 | Method for batched map drawing by utilizing computer to operate map elements |
| CN104317567B (en) * | 2014-09-28 | 2017-08-01 | 南京国图信息产业股份有限公司 | The method that batch drawing is realized by computer operation map element |
| WO2016101797A1 (en) * | 2014-12-25 | 2016-06-30 | 高德软件有限公司 | Electronic map compilation method and apparatus |
| CN105783931A (en) * | 2014-12-25 | 2016-07-20 | 高德软件有限公司 | Electronic map compiling method and device |
| CN105783931B (en) * | 2014-12-25 | 2018-12-11 | 高德软件有限公司 | A kind of electronic map Compilation Method and device |
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