CN103530356A - Electronic map service platform and electronic map data linkage displaying method - Google Patents
Electronic map service platform and electronic map data linkage displaying method Download PDFInfo
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- CN103530356A CN103530356A CN201310471128.1A CN201310471128A CN103530356A CN 103530356 A CN103530356 A CN 103530356A CN 201310471128 A CN201310471128 A CN 201310471128A CN 103530356 A CN103530356 A CN 103530356A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
- G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
Abstract
The invention discloses an electronic map service platform and an electronic map data linkage displaying method. The electronic map data linkage displaying method includes the steps of after a two-dimensional electronic map display command is received, according to the longitude and latitude scopes of a to-be-displayed two-dimensional electronic map related to the two-dimensional electronic map display command, loading two-dimensional foundation map data within the longitude and latitude scopes of a two-dimensional foundation map database, loading service data of a landmark object within the longitude and latitude scopes in a service database, and conducting two-dimensional electronic map display; after a three-dimensional electronic map display command is received, determining the longitude and latitude scopes of a to-be-displayed three-dimensional electronic map according to a measuring scale and the longitude and the latitude of a center point of the two-dimensional electronic map displayed in advance; loading three-dimensional foundation map data within the longitude and latitude scopes determined in the three-dimensional foundation map database, loading service data and height information of a landmark object within the longitude and latitude scopes determined in the service database, and conducting three-dimensional electronic map display. Thus, service data maintenance can be conveniently carried out by a service unit.
Description
Technical field
The present invention relates to geographical information technology, relate in particular to a kind of method that Map Service platform and electronic map data interlock represent.
Background technology
Electronic chart (Electronic map), is to utilize computer technology, take map data base as basis, the visual map showing on electronic curtain by certain hardware or software.Enlarging or reducing or the rotation of the map scale of electronic chart and do not affect display effect.And electronic chart is GIS(Geographic Information System, Geographic Information System) in the geodata major way of expressing; Along with geographical information technology fast development, electronic chart has been widely used in the fields such as government planning, economic trade, tour guide, satellite navigation, operational commanding.
Conventionally, electronic chart can be divided into Two-dimensional electron map and electronic three-dimensional map according to the difference of expression-form.The data of electronic chart generally include basic map data and business datum; Such as, the basic map data of Two-dimensional electron map are presented in map, the river of seeing in common exactly map, road, buildings etc.; The basic map data of electronic three-dimensional map comprise image data, model data (as the photo taking) and corresponding auxiliary data etc. on the spot, basic map data normally service unit, from having company's buying of relevant mapping qualification, do not need often to safeguard; And business datum normally service unit on electronic chart, for the terrestrial reference thing in electronic chart (as mansion etc.), mark and draw making, need service unit often to safeguard, such as, the ancestor ground data in the application of territory, the population address date in the police's application etc.
Day by day deep along with electronic chart application, the user group of electronic chart is in continuous expansion.The present inventor's discovery, a lot of service units are used Two-dimensional electron map and electronic three-dimensional map at the same time.As shown in Figure 1, Two-dimensional electron map application is the two-dimentional basic map data in the two-dimentional fundamental geographic maps database 101 based on Two-dimensional electron map service platform, and the business datum of the terrestrial reference thing in two-dimentional Service Database 102 is launched; Wherein, two-dimentional fundamental geographic maps database 101 and two-dimentional Service Database 102 are relevant database; As shown in Figure 2, electronic three-dimensional map application is the three-dimensional basic map data in the three-dimensional fundamental geographic maps database 201 based on electronic three-dimensional map service platform, and the business datum of the terrestrial reference thing in three-dimensional Service Database 202 is launched; Wherein, three-dimensional fundamental geographic maps database 201 and three-dimensional Service Database 202 are non-relational database, namely, set up the index of each image data file that electronic three-dimensional map uses, model data file etc., by index, carry out the operations such as inquiry of database.
When business datum is safeguarded due to service unit, not only need the business datum in two-dimentional Service Database to safeguard, also need the corresponding service data in three-dimensional Service Database to safeguard, caused repeated work, make work efficiency lower; And, for some identical business datums, in the process of in different platform, it being safeguarded, easily produce mistake, be not easy to the maintenance of service unit to business datum.
Summary of the invention
The defect existing for above-mentioned prior art, the invention provides a kind of method that Map Service platform and electronic map data interlock represent, and in order to be more convenient for, service unit is safeguarded business datum.
According to an aspect of the present invention, a kind of method that provides electronic map data interlock to represent, comprising:
Receiving Two-dimensional electron map represents after instruction, the longitude and latitude scope that represents the related Two-dimensional electron map of wanting to represent of instruction according to described Two-dimensional electron map, from described two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from the Service Database of relationship type, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load;
Afterwards, represent after instruction receiving electronic three-dimensional map, according to the engineer's scale in the Two-dimensional electron map representing before and central point longitude and latitude, determine the longitude and latitude scope of the electronic three-dimensional map of wanting to represent;
Three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map that loading is determined from three-dimensional fundamental geographic maps database, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
Preferably, described while carrying out representing of Two-dimensional electron map according to the two-dimentional basic map data that load and business datum, also comprise:
If described Map Service device receives user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, the business datum of this terrestrial reference thing is stored in described Service Database.
Preferably, described according to the three-dimensional basic map data that load, and business datum and elevation information are while carrying out representing of electronic three-dimensional map, also comprise:
If described Map Service device receives user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information are stored in described Service Database.
Preferably, business datum and the elevation information of the terrestrial reference thing within the scope of the described longitude and latitude that loads the described electronic three-dimensional map of wanting to represent from described Service Database, be specially:
Utilize sql statement, using the longitude and latitude scope of the described electronic three-dimensional map of wanting to represent as querying condition, search the longitude and latitude field in the business datum table in described Service Database, determine the record that meets this querying condition, and load business datum and the elevation information of the terrestrial reference thing in the record of determining.
Preferably, described according to the three-dimensional basic map data that load, and business datum and elevation information carry out, after representing of electronic three-dimensional map, also comprising:
Described Map Service device represents after instruction receiving Two-dimensional electron map, determines the longitude and latitude scope of the Two-dimensional electron map of wanting to represent according to the engineer's scale in the electronic three-dimensional map representing before and central point longitude and latitude;
Described Map Service device loads the two-dimentional basic map data within the scope of the longitude and latitude of the Two-dimensional electron map of determining from two-dimentional fundamental geographic maps database, from described Service Database, load the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the described Two-dimensional electron map of wanting to represent, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load.
According to another aspect of the present invention, also provide a kind of Map Service platform, having comprised:
The Service Database of relationship type, for storing business datum and the elevation information of terrestrial reference thing;
Two dimension fundamental geographic maps database, for storing two-dimentional basic map data;
Three-dimensional fundamental geographic maps database, for storing three-dimensional basic map data;
Map Service device, being used for receiving Two-dimensional electron map represents after instruction, the longitude and latitude scope that represents the related Two-dimensional electron map of wanting to represent of instruction according to described Two-dimensional electron map, from described two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from described Service Database, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load; And represent after instruction receiving electronic three-dimensional map, according to the engineer's scale in the Two-dimensional electron map representing before and central point longitude and latitude, determine the longitude and latitude scope of the electronic three-dimensional map of wanting to represent; Three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map that loading is determined from described three-dimensional fundamental geographic maps database, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
Preferably, described Map Service device also when carrying out the representing of Two-dimensional electron map, if receive user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, stores the business datum of this terrestrial reference thing in described Service Database into.
Preferably, described Map Service device is also when carrying out the representing of electronic three-dimensional map, if receive user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information stored in described Service Database.
According to another aspect of the present invention, also provide a kind of Map Service device, having comprised:
Man-machine interface interactive module, while representing instruction for receiving Two-dimensional electron map, sends Two-dimensional electron map and represents notice; When receiving electronic three-dimensional map and representing instruction, send electronic three-dimensional map and represent notice;
Two-dimensional electron map application module, being used for receiving described Two-dimensional electron map represents after notice, the longitude and latitude scope that represents the related electronic chart of wanting to represent of instruction according to described Two-dimensional electron map, from two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from the Service Database of relationship type, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load;
Electronic three-dimensional map application module, be used for receiving described electronic three-dimensional map and represent after notice, according to described Two-dimensional electron map before, represent the longitude and latitude scope that engineer's scale in the Two-dimensional electron map that module represents and central point longitude and latitude are determined the electronic three-dimensional map of wanting to represent; From three-dimensional fundamental geographic maps database, load the three-dimensional basic map data within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
Preferably, described Two-dimensional electron map application module is also when carrying out the representing of Two-dimensional electron map, if receive user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, the business datum of this terrestrial reference thing stored in described Service Database; And
Described electronic three-dimensional map application module is also when carrying out the representing of electronic three-dimensional map, if receive user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information stored in described Service Database.
In technical scheme of the present invention, based on a Map Service platform, by the application integration that represents Two-dimensional electron map and electronic three-dimensional map in an electronic chart application software, and the business datum of Two-dimensional electron map and electronic three-dimensional map is stored in the Service Database of same relationship type of Map Service platform; Thus, the interlock that the electronic chart application software in Map Service platform can be carried out the data of electronic chart based on Service Database, two-dimentional fundamental geographic maps database and three-dimensional fundamental geographic maps database represents; Therefore, for the business datum in Service Database, service unit only need to be safeguarded by electronic chart application software in Two-dimensional electron map or electronic three-dimensional map, has avoided the repeated work of service unit, and the service unit of being more convenient for carries out the maintenance of business datum; And the interlock of the data of electronic chart represents the service unit of being more convenient for and carries out electronic chart application.
Accompanying drawing explanation
Fig. 1 is the Organization Chart of the Two-dimensional electron map service platform of prior art;
Fig. 2 is the Organization Chart of the electronic three-dimensional map service platform of prior art;
Fig. 3 is the Organization Chart of the Map Service platform of the embodiment of the present invention;
Fig. 4 is the method flow diagram that the data linkage of the Map Service platform of the embodiment of the present invention represents;
Fig. 5 is the inner structure block diagram of the Map Service device of the embodiment of the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
The terms such as " module " used in this application, " system " are intended to comprise the entity relevant to computing machine, such as but not limited to hardware, firmware, combination thereof, software or executory software.For example, module can be, but be not limited in: the thread of the process of moving on processor, processor, object, executable program, execution, program and/or computing machine.For instance, the application program of moving on computing equipment and this computing equipment can be modules.One or more modules can be positioned at an executory process and/or thread, and module also can and/or be distributed on a computing machine between two or more computing machines.
The present inventor considers, can be based on a Map Service platform, the Two-dimensional electron map application of prior art and electronic three-dimensional map are applied as module integration in an electronic chart application software in Map Service platform, and the interlock that realizes Two-dimensional electron map and electronic three-dimensional map represents; And the business datum of the business datum of Two-dimensional electron map and electronic three-dimensional map is stored in the Service Database of same relationship type, and the similar business datum of Two-dimensional electron map and the business datum of electronic three-dimensional map are stored in the same business datum table in Service Database;
And, the present inventor also revises realizing the code of three-dimensional querying service database in the electronic three-dimensional map application of prior art, makes electronic three-dimensional map application module in the electronic chart application software of the present invention data in can the Service Database of query relation type; Like this, electronic chart application software based in Map Service platform, service unit is when Two-dimensional electron map represents, after business datum in Service Database is safeguarded, no longer need to when representing, electronic three-dimensional map repeat to safeguard, or, after service unit is safeguarded business datum in electronic three-dimensional map represents, no longer need to when Two-dimensional electron map represents, repeat to safeguard; Thereby the service unit of being more convenient for carries out the maintenance of business datum; And, based on a Map Service platform, the data of Two-dimensional electron map and electronic three-dimensional map can be linked and represent, the service unit of being more convenient for is carried out application.
Below in conjunction with accompanying drawing, describe technical scheme of the present invention in detail.The Organization Chart of the Map Service platform that the embodiment of the present invention provides, as shown in Figure 3, comprising: the Service Database 302 of Map Service device 301, relationship type, two-dimentional fundamental geographic maps database 303 and three-dimensional fundamental geographic maps database 304.
In the Service Database 302 of relationship type, store business datum and the elevation information of terrestrial reference thing; Particularly, the business datum table of Service Database 302 comprises name field, longitude and latitude field, elevation information field and the traffic data field etc. of terrestrial reference thing; And Service Database 302 can be the two-dimentional Service Database based on prior art, increases elevation information field in the tables of data of two-dimentional Service Database; Like this, service unit can be according to the latitude and longitude information of the terrestrial reference thing in three-dimensional Service Database, by the elevation information corresponding record of each terrestrial reference thing in three-dimensional Service Database in the elevation information field of Service Database 302.
Two dimension fundamental geographic maps database 303 is identical with the two-dimentional fundamental geographic maps database of prior art, wherein stores two-dimentional basic map data.
Three-dimensional fundamental geographic maps database 304 is identical with the three-dimensional fundamental geographic maps database of prior art, wherein stores three-dimensional basic map data.
Electronic chart application software is installed in Map Service device 301, and the data linkage that electronic chart application software can realize Two-dimensional electron map and electronic three-dimensional map represents.
Particularly, the Map Service platform based on above-mentioned, the flow process of the method that electronic map data interlock of the present invention represents as shown in Figure 4, comprises the steps:
S401: Map Service device 301 receives Two-dimensional electron map and represents after instruction, carries out representing of Two-dimensional electron map.
Particularly, electronic chart application software in Map Service device 301 provides a personal-machine interactive interface, user's (being service unit) can send Two-dimensional electron map to Map Service device 301 by human-computer interaction interface and represent instruction, electronic chart application software in Map Service device 301 receives Two-dimensional electron map and represents after instruction, the longitude and latitude scope that represents the related Two-dimensional electron map of wanting to represent of instruction according to Two-dimensional electron map, two-dimentional basic map data within the scope of the longitude and latitude of the Two-dimensional electron map that loading is wanted to represent from two-dimentional fundamental geographic maps database 303, the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the Two-dimensional electron map that loading is wanted to represent from Service Database 302, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load,
Wherein, the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the Two-dimensional electron map that loading is wanted to represent from Service Database 302 is specifically as follows: utilize sql(Structured Query Language, Structured Query Language (SQL)) statement, using the longitude and latitude scope of the Two-dimensional electron map of wanting to represent as querying condition, search the longitude and latitude field in the business datum table in Service Database 302, determine the record that meets this querying condition, and load the business datum of the terrestrial reference thing in the record that meets this querying condition.
For example, user can input " Beijing " in the Two-dimensional electron map window of human-computer interaction interface, like this, the Two-dimensional electron map that electronic chart application software receives the longitude and latitude scope that relates to " Beijing " represents after instruction, load the corresponding data in Two-dimensional electron map data base 303 and Service Database, in Two-dimensional electron map window, represent the Two-dimensional electron map within the scope of Pekinese's longitude and latitude.
Further, when the electronic chart application software in Map Service device 301 is carried out representing of Two-dimensional electron map, if receive user for the business datum of the terrestrial reference thing input in Two-dimensional electron map, the business datum of this terrestrial reference thing stored in Service Database 302.
For example, when the electronic chart application software in Map Service device 301 is carried out representing of Two-dimensional electron map, user can use mouse etc. to choose a terrestrial reference thing, business datum plot button in click Two-dimensional electron map window (or, the right button of clicking the mouse, in the menu ejecting, select business datum to mark and draw option), and input required business datum in the input frame ejecting; Electronic chart application software in Map Service device 301 receives after the business datum of user's input, and the latitude and longitude information of the terrestrial reference thing of choosing according to user stores the business datum of user's input in Service Database 302 into.
S402: Map Service device 301 receives electronic three-dimensional map and represents after instruction, determines the longitude and latitude scope of the electronic three-dimensional map of wanting to represent according to the engineer's scale in the Two-dimensional electron map representing before and central point longitude and latitude.
Particularly, electronic chart application software in Map Service device 301 is in carrying out the process representing of Two-dimensional electron map, user can by mouse carry out Two-dimensional electron map amplification, dwindle or the operation such as drag, to check different engineer's scales or to represent the Two-dimensional electron map in region; And, the engineer's scale of Two-dimensional electron map or represent the every variation in region once, the electronic chart application software in Map Service device 301 is all updated to the engineer's scale of the current Two-dimensional electron map representing and central point longitude and latitude in latitude and longitude information record.
Like this, the electronic chart application software of Map Service device 301 is in carrying out the process representing of Two-dimensional electron map, if user clicks the electronic three-dimensional map switching push button in Two-dimensional electron map window, can to Map Service device 301, send electronic three-dimensional map by human-computer interaction interface and represent instruction, electronic chart application software in Map Service device 301 is according to engineer's scale and central point longitude and latitude in the Two-dimensional electron map representing before, be engineer's scale and the central point longitude and latitude in current latitude and longitude information record, determine the longitude and latitude scope of the electronic three-dimensional map of wanting to represent.
S403: Map Service device 301, according to the longitude and latitude scope of the electronic three-dimensional map of wanting to represent of determining, carries out representing of electronic three-dimensional map.
Particularly, electronic chart application software in Map Service device 301 loads the three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map of wanting to represent of determining from three-dimensional fundamental geographic maps database 304, business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the electronic three-dimensional map that loading is wanted to represent from Service Database 302, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map; Wherein, business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the electronic three-dimensional map that loading is wanted to represent from Service Database 302, be specifically as follows: utilize sql statement, using the longitude and latitude scope of the electronic three-dimensional map of wanting to represent as querying condition, search the longitude and latitude field in the business datum table in Service Database 302, determine the record that meets this querying condition, and load business datum and the elevation information of the terrestrial reference thing in the record that meets this querying condition.
Further, when the electronic chart application software in Map Service device 301 is carried out representing of electronic three-dimensional map, if receive user for the business datum of the terrestrial reference thing input in electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information stored in Service Database 302.
And, electronic chart application software in Map Service device 301 is in carrying out the process representing of electronic three-dimensional map, the engineer's scale of electronic three-dimensional map or represent the every variation in region once, the electronic chart application software in Map Service device 301 is all updated to the engineer's scale of the current electronic three-dimensional map representing and central point longitude and latitude in latitude and longitude information record.
Like this, electronic chart application software in Map Service device 301 is in carrying out the process representing of electronic three-dimensional map, if user clicks the Two-dimensional electron Map Switch button in electronic three-dimensional map window, can to Map Service device 301, send Two-dimensional electron map by human-computer interaction interface and represent instruction, electronic chart application software in Map Service device 301 is according to engineer's scale and central point longitude and latitude in the electronic three-dimensional map representing before, determine the longitude and latitude scope of the Two-dimensional electron map of wanting to represent, and according to the longitude and latitude scope of the Two-dimensional electron map of wanting to represent of determining, two-dimentional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map of wanting to represent that loading is determined from two-dimentional fundamental geographic maps database 303, the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the Two-dimensional electron map that loading is wanted to represent from Service Database 302, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load.
The inner structure block diagram of the electronic chart application software in above-mentioned Map Service device 301, as shown in Figure 5, specifically comprises: man-machine interface interactive module 501, Two-dimensional electron map application module 502 and electronic three-dimensional map application module 503.
When man-machine interface interactive module 501 represents instruction for receiving Two-dimensional electron map, to Two-dimensional electron map application module 502, send Two-dimensional electron map and represent notice; When receiving electronic three-dimensional map and representing instruction, to electronic three-dimensional map application module 503, send electronic three-dimensional maps and represent notice.
Two-dimensional electron map application module 502 represents after notice for receiving the Two-dimensional electron map of man-machine interface interactive module 501 transmissions, the longitude and latitude scope that represents the related electronic chart of wanting to represent of instruction according to Two-dimensional electron map, two-dimentional basic map data within the scope of the longitude and latitude of the electronic chart that loading is wanted to represent from two-dimentional fundamental geographic maps database 303, the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the electronic chart that loading is wanted to represent from Service Database 302, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load.
Electronic three-dimensional map application module 503 represents after notice for the electronic three-dimensional map that receives man-machine interface interactive module 501 and send, the longitude and latitude scope of determining the electronic three-dimensional map of wanting to represent according to the engineer's scale in the Two-dimensional electron map that Two-dimensional electron map application module 502 represents before and central point longitude and latitude; Three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map that loading is wanted to represent from three-dimensional fundamental geographic maps database 304, business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the electronic three-dimensional map that loading is wanted to represent from Service Database 302, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
And, in Fig. 5, also show each module of Map Service device 301 and the annexation of Service Database 302, two-dimentional fundamental geographic maps database 303 and three-dimensional fundamental geographic maps database 304.
In technical scheme of the present invention, based on a Map Service platform, by the application integration that represents Two-dimensional electron map and electronic three-dimensional map in an electronic chart application software, and the business datum of Two-dimensional electron map and electronic three-dimensional map is stored in the Service Database of same relationship type of Map Service platform; Thus, the interlock that the electronic chart application software in Map Service platform can be carried out the data of electronic chart based on Service Database, two-dimentional fundamental geographic maps database and three-dimensional fundamental geographic maps database represents; Therefore, for the business datum in Service Database, service unit only need to be safeguarded by electronic chart application software in Two-dimensional electron map or electronic three-dimensional map, has avoided the repeated work of service unit, and the service unit of being more convenient for carries out the maintenance of business datum; And the interlock of the data of electronic chart represents the service unit of being more convenient for and carries out electronic chart application.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the method that electronic map data interlock represents, is characterized in that, comprising:
Receiving Two-dimensional electron map represents after instruction, the longitude and latitude scope that represents the related Two-dimensional electron map of wanting to represent of instruction according to described Two-dimensional electron map, from described two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from the Service Database of relationship type, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load;
Afterwards, represent after instruction receiving electronic three-dimensional map, according to the engineer's scale in the Two-dimensional electron map representing before and central point longitude and latitude, determine the longitude and latitude scope of the electronic three-dimensional map of wanting to represent;
Three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map that loading is determined from three-dimensional fundamental geographic maps database, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
2. the method for claim 1, is characterized in that, described while carrying out representing of Two-dimensional electron map according to the two-dimentional basic map data that load and business datum, also comprises:
If described Map Service device receives user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, the business datum of this terrestrial reference thing is stored in described Service Database.
3. the method for claim 1, is characterized in that, described according to the three-dimensional basic map data that load, and business datum and elevation information are while carrying out representing of electronic three-dimensional map, also comprise:
If described Map Service device receives user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information are stored in described Service Database.
4. method as claimed in claim 2 or claim 3, is characterized in that, business datum and the elevation information of the terrestrial reference thing within the scope of the described longitude and latitude that loads the described electronic three-dimensional map of wanting to represent from described Service Database, be specially:
Utilize sql statement, using the longitude and latitude scope of the described electronic three-dimensional map of wanting to represent as querying condition, search the longitude and latitude field in the business datum table in described Service Database, determine the record that meets this querying condition, and load business datum and the elevation information of the terrestrial reference thing in the record of determining.
5. method as claimed in claim 4, described according to the three-dimensional basic map data that load, and business datum and elevation information carry out, after representing of electronic three-dimensional map, also comprising:
Described Map Service device represents after instruction receiving Two-dimensional electron map, determines the longitude and latitude scope of the Two-dimensional electron map of wanting to represent according to the engineer's scale in the electronic three-dimensional map representing before and central point longitude and latitude;
Described Map Service device loads the two-dimentional basic map data within the scope of the longitude and latitude of the Two-dimensional electron map of determining from two-dimentional fundamental geographic maps database, from described Service Database, load the business datum of the terrestrial reference thing within the scope of the longitude and latitude of the described Two-dimensional electron map of wanting to represent, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load.
6. a Map Service platform, is characterized in that, comprising:
The Service Database of relationship type, for storing business datum and the elevation information of terrestrial reference thing;
Two dimension fundamental geographic maps database, for storing two-dimentional basic map data;
Three-dimensional fundamental geographic maps database, for storing three-dimensional basic map data;
Map Service device, being used for receiving Two-dimensional electron map represents after instruction, the longitude and latitude scope that represents the related Two-dimensional electron map of wanting to represent of instruction according to described Two-dimensional electron map, from described two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from described Service Database, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load; And represent after instruction receiving electronic three-dimensional map, according to the engineer's scale in the Two-dimensional electron map representing before and central point longitude and latitude, determine the longitude and latitude scope of the electronic three-dimensional map of wanting to represent; Three-dimensional basic map data within the scope of the longitude and latitude of the electronic three-dimensional map that loading is determined from described three-dimensional fundamental geographic maps database, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
7. platform as claimed in claim 6, is characterized in that,
Described Map Service device also when carrying out the representing of Two-dimensional electron map, if receive user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, stores the business datum of this terrestrial reference thing in described Service Database into.
8. platform as claimed in claim 6, is characterized in that,
Described Map Service device is also when carrying out the representing of electronic three-dimensional map, if receive user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information stored in described Service Database.
9. a Map Service device, is characterized in that, comprising:
Man-machine interface interactive module, while representing instruction for receiving Two-dimensional electron map, sends Two-dimensional electron map and represents notice; When receiving electronic three-dimensional map and representing instruction, send electronic three-dimensional map and represent notice;
Two-dimensional electron map application module, being used for receiving described Two-dimensional electron map represents after notice, the longitude and latitude scope that represents the related electronic chart of wanting to represent of instruction according to described Two-dimensional electron map, from two-dimentional fundamental geographic maps database, load the two-dimentional basic map data within the scope of described longitude and latitude, from the Service Database of relationship type, load the business datum of the terrestrial reference thing within the scope of described longitude and latitude, and carry out representing of Two-dimensional electron map according to the two-dimentional basic map data and the business datum that load;
Electronic three-dimensional map application module, be used for receiving described electronic three-dimensional map and represent after notice, according to described Two-dimensional electron map before, represent the longitude and latitude scope that engineer's scale in the Two-dimensional electron map that module represents and central point longitude and latitude are determined the electronic three-dimensional map of wanting to represent; From three-dimensional fundamental geographic maps database, load the three-dimensional basic map data within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, from described Service Database, load business datum and the elevation information of the terrestrial reference thing within the scope of the longitude and latitude of the described electronic three-dimensional map of wanting to represent, and according to the three-dimensional basic map data that load, and business datum and elevation information carry out representing of electronic three-dimensional map.
10. Map Service device as claimed in claim 9, is characterized in that,
Described Two-dimensional electron map application module also when carrying out the representing of Two-dimensional electron map, if receive user for the business datum of the terrestrial reference thing input in described Two-dimensional electron map, stores the business datum of this terrestrial reference thing in described Service Database into; And
Described electronic three-dimensional map application module is also when carrying out the representing of electronic three-dimensional map, if receive user for business datum and the elevation information of the terrestrial reference thing input in described electronic three-dimensional map, the business datum of this terrestrial reference thing and elevation information stored in described Service Database.
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