CN109977545A - A kind of Electric Power Network Planning figure methods of exhibiting and system - Google Patents
A kind of Electric Power Network Planning figure methods of exhibiting and system Download PDFInfo
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
Present disclose provides a kind of Electric Power Network Planning figure methods of exhibiting and systems.Wherein, a kind of Electric Power Network Planning figure methods of exhibiting, comprising: according to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening；Preset requirement is paid close attention to according to Electric Power Network Planning, the corresponding grid graph of power grid spatial data of screening is vacuated, different grid equipment information is shown under different scale bars.Which raises grid graphs to show efficiency, meets the needs of Electric Power Network Planning business, provides the data supporting of strength for the planning graphic data analysis service application of next step.
Description
Technical field
The disclosure belongs to Electric Power Network Planning figure and shows field more particularly to a kind of Electric Power Network Planning figure methods of exhibiting and system.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
With the gradually deep propulsion of Electric Power Network Planning business, electric network information data need to visualize on GIS figure,
Equipment retrospect, positioning, spatial analysis, provide decision support for Electric Power Network Planning.Electric Power Network Planning figure is with image map or vector bottom
Figure is displaying grid equipment spatial data such as power plant, substation, transmission line of electricity, distribution transforming station and line etc. on the basis of background,
Show the grid structure of power grid, the programme of each project, system access situation, substation location, route geography along cloth
The functions such as situation, the comparative situation of status power grid and the following power grid, play the role of crucial touch to Electric Power Network Planning work, to mention
Rise the lean management level of Electric Power Network Planning work.
Traditional grid graph solve the problems, such as CAD can not multizone it is seamless spliced it is region-wide one figure, with information
The Electric Power Network Planning for turning to carrier is promoted to a new step.Inventors have found that current Electric Power Network Planning figure is shown mostly
Multistage loadings are shown by the way of the spatial data of reading service device, because vector base map and image map data volume are huge, ground
Figure tile, which is read, needs to consume a large amount of Internet resources and computer memory with loading procedure, takes a long time, working efficiency is low
Under；Furthermore there is the grid equipment of great quantities of spare not play a role in Electric Power Network Planning in status power grid GIS figure, such as
Shaft tower figure layer on content layer, data volume is big, and the reading shaft tower figure layer in route loading procedure step by step renders bar step by step
Tower figure layer consumes resource, wastes time.It significantly reduces figure and shows speed；It is advised although there are also many grid equipments in power grid
It is indispensable in the business of drawing, but some grid equipments call on demand, if load will affect grid graph simultaneously
Displaying speed and efficiency.
Summary of the invention
To solve the above-mentioned problems, the first aspect of the disclosure provides a kind of Electric Power Network Planning figure methods of exhibiting, can
It improves grid graph and shows efficiency, meet the needs of Electric Power Network Planning business, answered for the planning graphic data analysis business of next step
With providing the data supporting of strength.
To achieve the goals above, the disclosure adopts the following technical scheme that
A kind of Electric Power Network Planning figure methods of exhibiting, comprising:
According to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening；
Preset requirement is paid close attention to according to Electric Power Network Planning, the corresponding grid graph of power grid spatial data of screening is vacuated,
Different grid equipment information is shown under different scale bars.
To solve the above-mentioned problems, the second aspect of the disclosure provides a kind of Electric Power Network Planning figure display systems, can
It improves grid graph and shows efficiency, meet the needs of Electric Power Network Planning business, answered for the planning graphic data analysis business of next step
With providing the data supporting of strength.
To achieve the goals above, the disclosure adopts the following technical scheme that
A kind of Electric Power Network Planning figure display systems, including memory, processor, display and storage are on a memory and can be
The computer program run on processor, the processor realize that Electric Power Network Planning figure described above is shown when executing described program
Step in method.
To solve the above-mentioned problems, a kind of computer readable storage medium is provided in terms of the third of the disclosure, it can
It improves grid graph and shows efficiency, meet the needs of Electric Power Network Planning business, answered for the planning graphic data analysis business of next step
With providing the data supporting of strength.
To achieve the goals above, the disclosure adopts the following technical scheme that
A kind of computer readable storage medium, is stored thereon with computer program, realization when which is executed by processor
Step in Electric Power Network Planning figure methods of exhibiting described above.
The beneficial effect of the disclosure is:
The disclosure is according to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening；It is paid close attention to according to Electric Power Network Planning
Preset requirement vacuates the corresponding grid graph of power grid spatial data of screening, shows under different scale bars different
Grid equipment information improves the displaying efficiency of grid graph display systems, saves hardware resource and Internet resources, and the whole province is each
Planning examination, the evaluation of district planning assistant director has obtained technical support, browsing, positioning, tracking, the plan item of grid graph
The work such as mesh evaluation have obtained great promotion, and Electric Power Network Planning works to obtain sound assurance.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is a kind of Electric Power Network Planning figure methods of exhibiting flow chart that the embodiment of the present disclosure provides.
Fig. 2 is the Electric Power Network Planning business demand that the embodiment of the present disclosure provides and the element vacuated.
Fig. 3 is that the power network line that the embodiment of the present disclosure provides shows process.
Fig. 4 is the base map tile storing process that the embodiment of the present disclosure provides.
Specific embodiment
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Term is explained:
Power grid GIS figure can be divided into tri- layers of basemap, region, content.Basemap refers to mountains and rivers, river, railway, public affairs
Road, social unit etc., region refers to that the block of each region, content refer to the power grids such as the route of various voltage class, substation
Device space data, grid equipment data are divided into point, line, surface three types spatial data.Wherein each layer includes multiple figure layers,
Electric Power Network Planning figure is the summation of All Layers.
As shown in Figure 1, a kind of Electric Power Network Planning figure methods of exhibiting of the present embodiment, comprising:
S101: according to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening.
Such as: Electric Power Network Planning business includes but is not limited to grid equipment planning, voltage class planning, regional planning and department
Planning.
S102: preset requirement is paid close attention to according to Electric Power Network Planning, the corresponding grid graph of the power grid spatial data of screening is carried out
It vacuates, different grid equipment information is shown under different scale bars.
In specific implementation, the process corresponding grid graph of power grid spatial data of screening vacuated are as follows:
S1021: according to Electric Power Network Planning business demand, the element for needing to vacuate is found out, is respectively: grid equipment classification, ratio
The classification of example ruler, voltage class classification, territorial classification, department's classification, equipment render this 6 class of classifying and vacuate element type；Such as Fig. 2 institute
Show.
S1022: being numbered by the business of service database, setting difference vacuate the displaying ranks of element and show order with
And bandwagon effect；
Such as:
| Business number | Business demand title | Show rank | Show order | Bandwagon effect |
| 1 | Grid equipment classification | Level V | 5 | Grid equipment |
| 2 | Scale bar classification | The first order | 1 | Scale bar |
| 3 | Voltage class classification | The fourth stage | 4 | Voltage class |
| 4 | Territorial classification | The second level | 2 | Region |
| 5 | Department's classification | The third level | 3 | Department |
| 6 | Equipment rendering classification | 6th grade | 6 | Equipment rendering |
It should be understood that in other examples, being numbered by the business of service database, difference vacuates its of element
The displaying rank and displaying order of his default settings and bandwagon effect, those skilled in the art can voluntarily set according to specific operating condition
It sets, is not described in detail here.
S1023: grid graph information is shown according to the number that vacuates set.
During grid graph is shown, many grid equipments are not to require to show under any circumstance, than
As major network planning only need to pay close attention to 35kV or more grid equipment can and distribution network planning needs to pay close attention to 35kV grid equipment below
The especially grid equipment of 10kV.According to the power grid spatial data of Electric Power Network Planning business automatic screening different demands, different
Required displaying grid equipment pays close attention to the particular/special requirement in face according to Electric Power Network Planning, to electrical network figure without identical under scale bar
Shape is vacuated, and different grid equipment information is shown under different scale bars.
Specifically, in a step 102, the grid graph includes grid equipment, shows process are as follows:
The spatial information for reading corresponding grid equipment in power grid GIS spatial database, calculates in each face of grid equipment
Heart space of points coordinate renders corresponding grid equipment symbol, shows the grid equipment of rendering and the central point space coordinate in each face.
There is a large amount of spatial data in power grid GIS spatial database, grid equipment is such as in previous work
Power plant, substation, box-type substation, change, distribution transforming room etc. are stored in spatial database in the form of face on column, and face is
There are four coordinate points to form, and needs to recycle during grid graph is shown and reads the information of four coordinate points and show, this reality
Apply example in the form of face existing for grid equipment convert the central point in taking-up face respectively and replace original face structure, during displaying
The central point spatial coordinated information for showing this equipment, rendering corresponding grid equipment symbol arrived previous bandwagon effect, accelerate
Data loading improves figure and shows efficiency, preferably solves the need that Current Situation meets Electric Power Network Planning business simultaneously
It wants.
Such as: the spatial information of equipment is read, respectively maximum X-coordinate, minimum X-coordinate, maximum Y-coordinate, minimum Y are sat
Mark；
The central point of the maximin of equipment X is calculated separately, the central point of the maximin of equipment Y is formed with this
X, the spatial information of the vertex type centered on Y；
The spatial information of vertex type is rendered corresponding grid equipment symbol and Show Styles, transparency, angle, ratio
The information such as ruler.
The present embodiment is according to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening；It is closed according to Electric Power Network Planning
Preset requirement is infused, the corresponding grid graph of power grid spatial data of screening is vacuated, is shown under different scale bars different
Grid equipment information, improve the displaying efficiency of grid graph display systems, save hardware resource and Internet resources, the whole province
Planning examination, the evaluation of each district planning assistant director has obtained technical support, the browsing of grid graph, positioning, tracking, planning
The work such as project appraisal have obtained great promotion, and Electric Power Network Planning works to obtain sound assurance.
Specifically, in a step 102, the grid graph further includes power network line, as shown in figure 3, it shows process are as follows:
Read the power network line information in power grid GIS spatial database between each grid equipment, by greedy algorithm by
Point in secondary filtering straightway or class straightway is shown after reducing weight to power network line.
Specifically, it crosses greedy algorithm and gradually filters the mistake that the point in straightway or class straightway reduces weight to power network line
Journey are as follows:
Original power network line is resolved into conducting wire, cable and connecting line；
Thought according to greedy algorithm takes out preceding 3 coordinate points of route, the 2nd o'clock to the 1st point and the 3rd point first
The vertical range of composed straightway deletes the spatial information of intermediate point if vertical range is 0, and so on, it is intermediate
O'clock to straightway composed by the 1st point and the 3rd point vertical range be less than or equal to preset threshold (such as:
0.0001) spatial information for, deleting intermediate point, until route does not change nyctitropic state；
The line topological for filtering out extra point is replaced original power network line at a complete route.
Wherein: greedy algorithm (also known as greedy algorithm) refers to, when to problem solving, always makes and appearing to be most currently
Good selection.That is, not taking in from total optimization, what it was made is local optimum in some sense
Solution.
In power grid GIS spatial database, route is made of multiple points, and line is the set of point.Because of Electric Power Network Planning business
Demand is not very strict to the accuracy of power network line.It is much put on route on same straightway or close to straightway
On, the spatial information data amount of these points is quite huge, passes through greedy algorithm filtering out in straightway or class straightway gradually
Point reduce weight to power network line, improve the precision of Electric Power Network Planning.
In another embodiment, as shown in figure 4, the Electric Power Network Planning figure methods of exhibiting, further includes:
Local base map tile information is read, shows grid graph.
If local incomplete without base map tile or base map tile, access server and read base map slice service, lead to simultaneously
Agent data mode is crossed base map tile storage to local.
Wherein, power grid base map slice address of service is accessed by way of agent data, according to opening up under different scale
Show different base maps, and the base map tile under the correspondence scale bar of access is stored in local.
During grid graph is shown, service is sliced by the base map in connection GIS spatial server, reads slice clothes
Base map tile of each of the business below scale bar, the base map watt of the server shown under the different scale bar in the same region
The piece number is different, citing: assuming that the base map in mono- province 1:100000 can averagely be divided into i.e. 4 rows 4 of 16 tiles to arrange, that
The base map in one province can averagely be divided into i.e. 40 rows 40 of 1600 tiles to arrange when scale bar is amplified to 1:100.Not on year-on-year basis
Base map tile under example ruler is stored in different files in the following, with regard to many cages similar to different levels, in each grid
Store corresponding base map tile.These base map tiles are to recycle each layer step by step by system, are inquired below each layer
Row, recycles the column of every a line, gradually loads the following tile of each column.
Need to expend a large amount of Internet resources, hardware resource in the tile loading procedure of each base map, grid graph is shown
Effect is excessively poor, flexibility is excessively poor.The power grid base map local cache process of the present embodiment are as follows:
Power grid base map address of service is accessed by way of agent data first, according to what is shown under different scale
Different base maps, the base map tile accessed under corresponding scale bar are stored in local, first correspond to from local read when base map is shown again
Base map tile under figure layer connects GIS spatial server base map if the base map tile being locally not present under corresponding scale bar
Slice service is read base map tile and is shown in grid graph simultaneously to local.
In the present embodiment, Electric Power Network Planning graph data disposes three-level application model using second level, and province-city-county three cascades
Dynamic, zone isolation, real-time synchronization ensure that safety, confidentiality and the integrality of Electric Power Network Planning GIS graph data, accelerate number
According to loading velocity, figure displaying efficiency is improved, the needs that Current Situation meets Electric Power Network Planning business simultaneously are preferably solved, under
The planning graphic data analysis service application of one step provides the data supporting of strength.
The present embodiment improves the displaying efficiency of grid graph display systems, saves hardware resource and Internet resources.Entirely
Planning examination, the evaluation for saving each district planning assistant director have obtained technical support.The browsing of grid graph, positioning, tracking, rule
It draws the work such as project appraisal and has obtained great promotion, Electric Power Network Planning works to obtain sound assurance.
The present embodiment grid graph shows that efficiency raising can support more people to simultaneously participate in drawing for Electric Power Network Planning figure
Work processed, can support more people to submit Electric Power Network Planning spatial data simultaneously, and working efficiency greatly improves.The more people in subregion are simultaneously
It draws, promotes working efficiency.
The present embodiment Electric Power Network Planning GIS graph data improves Electric Power Network Planning by a series of filtering, weight reducing, refinement
Precision, Electric Power Network Planning graph data using second level dispose (province, city's two levels server) three-level application model, figure show system
System end is mounted on planning assistant director PC at different levels, and Electric Power Network Planning GIS graphical information takes province-city-county's three-level to link, zone isolation,
Real-time synchronization ensure that safety, confidentiality and the integrality of Electric Power Network Planning GIS graph data, be the planning figure of next step
Data analysis service application provides the data supporting of strength；The mode of real-time synchronization has ensured power grid spatial data loading velocity
And efficiency.
The present embodiment is converted original grid graph spatial data by device type, is converted into a little by face, power grid is set
Standby information space information saves 75%, is filtered by greedy algorithm and reduces great quantities of spare point information data on route, using vacuating
Technology divides the displaying grid equipment spatial information of difference, and base map uses data generation to load local tile as major way
The mode of reason stores the base map of server-side to local.
In another embodiment, a kind of Electric Power Network Planning figure display systems, including memory, processor, display are additionally provided
On a memory and the computer program that can run on a processor, when processor execution described program, is realized for device and storage
Step shown in Fig. 1 or in Electric Power Network Planning figure methods of exhibiting described in any of the above-described embodiment.
The present embodiment according to planning business, working efficiency, power network resources needs, be woven into the sky that a multi-angle screens out
Between data funnel, reduce weight to spatial data, change original data load logic, cache available base map tile, with
Face present grid equipment be converted into show a spatial data, not only can solve space data quantity is big, data volume is miscellaneous, plus
Carry that speed is slow, the problems such as bandwagon effect is poor, and realize than traditional power grid figure show it is more flexible, more practical, closer to business
Electric Power Network Planning figure display systems, for Electric Power Network Planning development escort.
In another embodiment, a kind of computer readable storage medium is additionally provided, computer program is stored thereon with, it should
The step shown in Fig. 1 or in Electric Power Network Planning figure methods of exhibiting described in any of the above-described embodiment is realized when program is executed by processor
Suddenly.
It should be understood by those skilled in the art that, embodiment of the disclosure can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the disclosure
Formula.Moreover, the disclosure, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The disclosure is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present disclosure
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
AccessMemory, RAM) etc..
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of Electric Power Network Planning figure methods of exhibiting characterized by comprising
According to the power grid spatial data of the corresponding demand of Electric Power Network Planning business automatic screening；
Preset requirement is paid close attention to according to Electric Power Network Planning, the corresponding grid graph of power grid spatial data of screening is vacuated, it is different
Scale bar under show different grid equipment information.
2. a kind of Electric Power Network Planning figure methods of exhibiting as described in claim 1, which is characterized in that the grid graph includes power grid
Equipment shows process are as follows:
The spatial information for reading corresponding grid equipment in power grid GIS spatial database, calculates the central point in each face of grid equipment
Space coordinate renders corresponding grid equipment symbol, shows the grid equipment of rendering and the central point space coordinate in each face.
3. a kind of Electric Power Network Planning figure methods of exhibiting as claimed in claim 2, which is characterized in that the grid graph further includes electricity
Cable road shows process are as follows:
The power network line information in power grid GIS spatial database between each grid equipment is read, greedy algorithm gradually mistake is passed through
Point in filter straightway or class straightway is shown after reducing weight to power network line.
4. a kind of Electric Power Network Planning figure methods of exhibiting as claimed in claim 3, which is characterized in that cross greedy algorithm and gradually filter directly
The process that point in line segment or class straightway reduces weight to power network line are as follows:
Original power network line is resolved into conducting wire, cable and connecting line；
Thought according to greedy algorithm takes out preceding 3 coordinate points of route, the 2nd o'clock to the 1st point and the 3rd point institute group first
At straightway vertical range, if vertical range be 0, delete the spatial information of intermediate point, and so on, intermediate point arrives
The vertical range of straightway composed by 1st point and the 3rd point is to delete the space of intermediate point less than or equal to preset threshold
Information, until route does not change nyctitropic state；
The line topological for filtering out extra point is replaced original power network line at a complete route.
5. a kind of Electric Power Network Planning figure methods of exhibiting as described in claim 1, which is characterized in that the power grid spatial data of screening
The process that corresponding grid graph is vacuated are as follows:
According to Electric Power Network Planning business demand, the element for needing to vacuate is found out, is respectively: grid equipment classification, scale bar classification, electricity
Pressure grade separation, territorial classification, department's classification, equipment render this 6 class of classifying and vacuate element type；
It is numbered by the business of service database, setting difference vacuates the displaying rank of element and shows order and show effect
Fruit；
Grid graph information is shown according to the number that vacuates set.
6. a kind of Electric Power Network Planning figure methods of exhibiting as described in claim 1, which is characterized in that Electric Power Network Planning figure displaying side
Method, further includes:
Local base map tile information is read, shows grid graph.
7. a kind of Electric Power Network Planning figure methods of exhibiting as claimed in claim 6, which is characterized in that if it is local without base map tile or
Base map tile is not complete, then accesses server and read base map slice service, while base map tile is stored by agent data mode
To local.
8. a kind of Electric Power Network Planning figure methods of exhibiting as claimed in claim 7, which is characterized in that visited by way of agent data
Power grid base map slice address of service is asked, according to showing different base maps under different scale, and will be under the correspondence scale bar of access
Base map tile be stored in local.
9. a kind of Electric Power Network Planning figure display systems, including memory, processor, display and storage on a memory and can located
The computer program run on reason device, which is characterized in that the processor is realized when executing described program as in claim 1-8
Step in described in any item Electric Power Network Planning figure methods of exhibiting.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
It realizes when execution such as the step in Electric Power Network Planning figure methods of exhibiting of any of claims 1-8.
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