CN108038180A - The method that a kind of power supply region gathered data visualizes - Google Patents
The method that a kind of power supply region gathered data visualizes Download PDFInfo
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- CN108038180A CN108038180A CN201711291439.4A CN201711291439A CN108038180A CN 108038180 A CN108038180 A CN 108038180A CN 201711291439 A CN201711291439 A CN 201711291439A CN 108038180 A CN108038180 A CN 108038180A
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The present invention relates to a kind of power supply region gathered data visualize method, 1, obtain map json data；2nd, scatterplot coordinate data is obtained, organizes the json files of scatterplot coordinate in units of city, scatterplot coordinate file json is identical with districts and cities names；3rd, web project is established by Eclipse, the newly-built jsp pages are used to carry out page presentation；4th, the api based on Echarts, incorporates power supply unit coding, power supply area, gathered data, encapsulates js methods.The present invention is integrated the method for map making, writing for map displaying can be completed using few code, drastically increase development efficiency, reduce learning cost, data loading efficiency is high, dynamic loading data are realized, the organized formats for devising coordinate file solve map datum initialization matter.
Description
Technical field
The present invention relates to power supply region acquisition technique field, more particularly to needs to be opened up with scatter diagram on map
The method that a kind of power supply region gathered data shown visualizes.
Background technology
The effect of power supply area data can be intuitively shown, it is necessary in page in power information acquisition system in order to realize
Map is added in face, while corresponding display data is added in corresponding map position., will be for by inquiring about the data in database
The information in electric region is illustrated in screen in real time, and carries out corresponding color mark to data, accomplishes the information for making power supply area
Open-and-shut effect.
At present, it is SVG map makings that gathered data, which visualizes main technology to be used, is mainly had using SVG maps
Following shortcoming：1st, due to SVG map for manual drawing, it is necessary to be drawn for each districts and cities, development efficiency is low；2nd, develop
Cycle is grown, and time of exploitation is largely wasted in the drafting of map and various logic is write；3rd, learning cost is high, exploitation
Map needs to be grasped the drafting of SVG；4th, realize that the effect is relatively poor.
The content of the invention
In order to solve the above technical problems, the present invention provides the side that a kind of power supply region gathered data visualizes
Method, the scatterplot coordinate data needed by the json map datums and business of Echarts simultaneously incorporate power supply unit coding, service area
The business datums such as field type, corresponding encapsulation has been carried out to the api of Echarts.The solution of the present invention bottom is based on Echarts,
Main tri- modules of geo, scatter, map for having used Echarts objects, secondary encapsulation has been carried out in order to facilitate exploitation.Its
In, geo is used for show map and coordinates scatter scatter diagrams to do the function of data display, shades of the map mainly as map
To use, realize the hatching effect of map.The technical solution adopted in the present invention is as follows：
The method that a kind of power supply region gathered data visualizes, comprises the following steps：
Step 1, obtain map json data；
Step 2, obtain scatterplot coordinate data, and scatterplot coordinate data is the needs shown according to capturing service data visualization
The file of the json forms of arrangement, needs according to current operation, and in order to show scatter diagram, scatterplot coordinate is organized in units of city
Json files, scatterplot coordinate file json are identical with districts and cities names；
Step 3, by Eclipse establish web project, and the newly-built jsp pages are used to carry out page presentation, and this method can root
The scatterplot coordinate data of map json data and scatter diagram needs in server is obtained according to the ground graph code come into；
Step 4, the api based on Echarts, incorporate power supply unit coding, power supply area, gathered data, encapsulate js methods,
The repetition for avoiding code is write, and simplifies development procedure；
Step 5, introduce MAP.js methods completion map building in the page and show.
Preferably, the encapsulation js methods described in step 4 comprise the following steps：
Step 4.1, by encapsulating initial method initMap (), Echarts objects are generated according to incoming id, at the same time
Initiation parameter method initParam () is called to initialize relevant parameter；
Step 4.2, after the initial method of map cases is completed, one new method registMap () of encapsulation is used
Registered in map；
After step 4.3, map registration, encapsulation obtains the method getTmpData () of map datum；
Step 4.4, encapsulation create ground drawing method createTown ()；
Step 4.5, encapsulation map methods of exhibiting getTownData ()；
Turn next () method under step 4.6, encapsulation and return to back () method, realize from national maps to Zai Dao cities of province
Contractive effect；
Step 4.7, by the method in step 4.1-4.6 be packaged into map.js again, and introducing when in use should
Map.js files, map.js can automatically create a map object in page loading procedure, and page invocation when can adjust
With the method in the object.
Preferably, new method registMap () bottom described in step 4.2 uses the map of Echarts itself
Register method, while the business needs of power information acquisition system are added, Reseal area code, area name and regional class
Other three parameters.
Preferably, the establishment described in step 4.4 method of drawing method the createTown () bottom based on Echarts carry out
Reseal, dynamically splice Echarts in the method and create the parameter that map needs and use setOption () method
Create map.
Preferably, the map methods of exhibiting getTownData () described in step 4.5 sends asynchronous ask according to the parameter come into
Ask, the truthful data in database is inquired about by JDBC, writing data into map after being returned etc. data is shown.
Preferably, the id generation Echarts objects that the basis described in step 4.1 is passed to, including：Operation object option,
Data object data, map object geoCoordMap, field color areaColor.
Preferably, the method for the acquisition map json data described in step 1 is：Map json data are Echarts official websites
There is provided, the needs shown according to power supply region capturing service data visualization download corresponding json files.
Beneficial effects of the present invention：
1st, the present invention is integrated the method for map making, while this method and is not limited to the api integrated now,
It can voluntarily add to adapt to different requirements, and can be used in the integration of other Echarts components as needed, be opened to be secondary
Thinking has been widened in hair integration.
2nd, by the way that compared with Echart Native methods, writing for map displaying can be completed using few code, greatly
Ground improves development efficiency, is adapted to the weaker developer in basis to use, reduces learning cost.
3rd, system background finds the map json files of reference numeral to specified folder automatically according to numbering and carries out ground
Caption volume generates map, while can obtain map reference data, and loads template data, shows each confession in coordinate file
Electricity position.Send ajax requesting queries truthful data at the same time and scatterplot data are reloaded after data successfully return, add
Only refresh scatterplot data when load, data loading efficiency is high.
4th, scatterplot map json filenames are devised and encode identical scheme with power supply area districts and cities, realize dynamic add
Carry data.
5th, the organized formats of coordinate file are devised, solve map datum initialization matter.
Figure of description
Fig. 1 is the logical procedure diagram of the present invention；
Fig. 2 is the logical procedure diagram of the step 4 encapsulation js methods of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are illustrated.
As shown in Figure 1, it is the logical procedure diagram of the present invention.What a kind of power supply region gathered data visualized
Method, that this method can finally be provided to user is a Map.js, by introducing this document in the source code using the page, i.e.,
Corresponding method can be called, can also easily be used even without Echarts application methods were learned.Specifically include following steps：
Step 1, obtain map json data；Map json data provide for Echarts official websites, according to power supply region
The needs of capturing service data visualization displaying download corresponding json files.Data format is the json forms of standard, including
“type”、“features”、“id”、“properties”、“name”、“cp”、“childNum”、“geometry”、
Attributes such as " coordinates ".This document is stored in the appointing in catalogue of operation system, is ordered with power supply unit numbering .json
Name.
Instantiation：Sichuan Province Chengdu map json data, renamed as are downloaded by accessing Echarts official websites
5140100.json.Be saved into e200pro_web src main webapp js dp map json under catalogue, in case S4.3
Use.File format content is as follows：
Step 2, obtain scatterplot coordinate data, and the json files of scatterplot coordinate, scatterplot coordinate file are organized in units of city
Json identical with districts and cities names.Map json files is corresponding with the numbering of districts and cities in database, with power supply unit numbering .json
Name, and json file consolidations are put into the file specified, such database just forms one-to-one corresponding with map file
Relation, just can be obtained by city code corresponding map json files carry out registration draw finally be illustrated in the page.
The data for being a json array, each district in urban district being put in array stored in the json files, wherein often
Comprising district title, numbering and geo, dataTemp in a district data, wherein district numbering is used for and map match uses,
Geo is used for the coordinate setting of power supply station on map, and dataTemp is analogue data, when not having data in order to avoid database
Map shows blank.Each coordinate can be numbered with power supply station after Geo has loaded city, and the data in dataTemp will pass through org_
No come with coordinate matching, load out scatter diagram.Data in scatter diagram are the value in data, and title is then on scatter diagram
Name fields in dataTemp.
Instantiation：Needed according to business, write the scatterplot coordinate data for arranging Chengdu power supply area.Save as
51401.json files, there are e200pro_web src main webapp js dp map geo under catalogue, in case S4.3
Use.File format content is as follows：
Step 3, establish web project e200pro_web by Eclipse, create jsp pages desktop.jsp be used for into
Row page presentation, this method can obtain the map json data and scatter diagram need in server according to the ground graph code come into
The scatterplot coordinate data wanted, this two parts data obtain in step 1 and step 2.
Step 4, the api based on Echarts, incorporate power supply unit coding, power supply area, gathered data, encapsulate js methods,
As shown in Fig. 2, comprise the following steps：
Step 4.1, by encapsulating initial method initMap (), Echarts objects are generated according to incoming id, at the same time
Initiation parameter method initParam () is called to initialize relevant parameter, being paid the utmost attention to when initiation parameter need to
The parameter to be reused is put into this method to be repeated to create to reduce, and improves efficiency；Pair of Echarts is generated by being passed to id
As, including：Operation object option, data object data, map object geoCoordMap, field color areaColor etc.；
By calling initParam () method, according to the different map Color scheme of generation, including：Default color scheme, in informant
Number Color scheme, taiwan area line loss per unit Color scheme etc..
Step 4.2, after the initial method of map cases is completed, one new method registMap () of encapsulation is used
Registered in map；This method bottom uses the map register method of Echarts itself, while adds power information acquisition system
Business need, Resealed area code, area name and regional three parameters of classification.Area code is used to obtain correspondence
Map datum and coordinate data and the parameter as background query database use, area name is used for showing present bit
Put, regional classification spends with the distinguishing province area classification such as county.Wherein area code and type are used for searching data in the database,
Coding finds the data file and scatter diagram coordinate file of map according to the map at the same time, file name formats org_no.json, its
Middle org_no is variable, splices different filenames according to passed parameter to search corresponding file, and according to the json found
File carries out the registration of map, and district title is used to show current district title on map.It is automatic to call in S4.3
GetTmpData () method.
After step 4.3, map registration, encapsulation obtains the method getTmpData () of map datum；According to what is come into
Ground graph code this method can obtain the map reference data of the map datum and scatter diagram needs in server.Wherein map number
According to needing to download from Echarts official websites, map reference data are then according to actual business requirement situation, according to desired Json lattice
Formula self-organization.After completing data preparation, createTown () method in S4.4 can be called automatically.
Step 4.4, encapsulation create ground drawing method createTown ()；After the completion of calling, system background is according to numbering to finger
Determine file to find the map json files of reference numeral and carry out map registration generation map, while map reference number can be obtained
According to, and template data is loaded, show the position of each power supply area in coordinate file.It is true to send ajax requesting queries at the same time
Real data simultaneously reloads scatterplot data after data successfully return.After completing data loading, it can call automatically in S4.5
GetTownData () method.
Step 4.5, encapsulation map methods of exhibiting getTownData ()；This method can send asynchronous according to the parameter come into
Request, the truthful data in database is inquired about by JDBC, brushes data into map again after being returned etc. data, different from the
Once, the brush of this time refreshing enters data, and the other specification unrelated with data is not repeated to input, and ensure that the effect that map refreshes
Rate.
Turn next () method under step 4.6, encapsulation and return to back () method, realize from national maps to Zai Dao cities of province
Contractive effect；
Step 4.7, by the method in step 4.1-4.6 be packaged into map.js again, and introducing when in use should
Map.js files, map.js can automatically create a map object in page loading procedure, and page invocation when can adjust
With the method in the object.
It is automatic between the step 4.1-4.6 method and steps in above-mentioned technical proposal to carry out for ease of the convenience of application
Call step by step, two steps are only needed when realizing, first, calling initial method initMap () to be used to generate map
Container, second, map registration registMap () method is used to generate map datum, what system prepared along with steps 1 and 2 automatically
Map json data and scatterplot coordinate data can complete the establishment of map, and the method for intermediate link need not be paid close attention to again.First
The map.js pages are introduced in the desktop.jsp pages, then call map.initMap (" city "), the method comes into variable
City thus can by id be city div be initialized as Echarts containers, finally call map.registMap (district encode,
District type, district title), complete map building.
Step 5, introduce MAP.js methods completion map building in the page and show.
Claims (7)
1. the method that a kind of power supply region gathered data visualizes, it is characterised in that comprise the following steps：
Step 1, obtain map json data；
Step 2, obtain scatterplot coordinate data, and the json files of scatterplot coordinate, scatterplot coordinate file json are organized in units of city
Name is identical with districts and cities names；
Step 3, by Eclipse establish web project, and the newly-built jsp pages are used to carry out page presentation；
Step 4, the api based on Echarts, incorporate power supply unit coding, power supply area, gathered data, encapsulate js methods；
Step 5, introduce MAP.js methods completion map building in the page and show.
2. the method that a kind of power supply region gathered data according to claim 1 visualizes, it is characterised in that
Encapsulation js methods described in step 4 comprise the following steps：
Step 4.1, by encapsulating initial method initMap (), Echarts objects are generated according to incoming id, are called at the same time
Initiation parameter method initParam () initializes relevant parameter；
Step 4.2, after the initial method of map cases is completed, encapsulate new method registMap () and be used for ground
Caption volume；
After step 4.3, map registration, encapsulation obtains the method getTmpData () of map datum；
Step 4.4, encapsulation create ground drawing method createTown ()；
Step 4.5, encapsulation map methods of exhibiting getTownData ()；
Turn next () method under step 4.6, encapsulation and return to back () method；
Step 4.7, by the method in step 4.1-4.6 be packaged into map.js again.
3. the method that a kind of power supply region gathered data according to claim 2 visualizes, it is characterised in that
New method registMap () bottom described in step 4.2 uses the map register method of Echarts itself, adds at the same time
Enter the business needs of power information acquisition system, Reseal three area code, area name and regional classification parameters.
4. the method that a kind of power supply region gathered data according to claim 2 visualizes, it is characterised in that
Establishment described in step 4.4 method of drawing method the createTown () bottom based on Echarts Resealed, at this
Dynamically splice Echarts in method to create the parameter of map needs and create map using setOption () method.
5. the method that a kind of power supply region gathered data according to claim 2 visualizes, it is characterised in that
Map methods of exhibiting getTownData () described in step 4.5 sends Asynchronous Request according to the parameter come into, is looked into by JDBC
The truthful data in database is ask, writing data into map after being returned etc. data is shown.
6. the method that a kind of power supply region gathered data according to claim 2 visualizes, it is characterised in that
The id generation Echarts objects that basis described in step 4.1 is passed to, including：Operation object option, data object data,
Figure object geoCoordMap, field color areaColor.
7. the method visualized according to a kind of power supply region gathered data of claim 1-6 any one of them, its
It is characterized in that, the method for the acquisition map json data described in step 1 is：Map json data provide for Echarts official websites, root
Corresponding json files are downloaded according to the needs of power supply region capturing service data visualization displaying.
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