CN104331427A - Power GIS massive space point type vector data rapid symbolization display method - Google Patents
Power GIS massive space point type vector data rapid symbolization display method Download PDFInfo
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- CN104331427A CN104331427A CN201410558565.1A CN201410558565A CN104331427A CN 104331427 A CN104331427 A CN 104331427A CN 201410558565 A CN201410558565 A CN 201410558565A CN 104331427 A CN104331427 A CN 104331427A
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
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Abstract
The invention discloses a power GIS (Geographic Information System) massive space point type vector data rapid symbolization display method. Power GIS massive space point type vector data rapid symbolization is implemented by real-time rasterization and uniform dispatching display of branch types of power system point type vector data symbols. Real-time rasterization is that a vector symbol of one point type which is not rasterized is required to be rasterized in real time according to a data request of a client and is subjected to serialized encoding, wherein each point type symbol only needs to be rasterized for once; uniform dispatching display is that the serialized rasterized symbols are uniformly positioned, dispatched and distributed according to types and state values of power equipment and the same types of power equipment are matched with the same rasterized symbols. The method disclosed by the invention can be used for rapid symbolization display of the power equipment adopting the power GIS point type.
Description
Technical field
The present invention relates to GIS and intelligent grid scheduling integrated application field.
Background technology
In existing electric power GIS, rigid fusion is carried out in existing electric system and traditional GIS, although the displaying of power equipment space distribution can be carried out on GIS, be difficult to realize based on the equipment control of the transmission of electricity of GIS, power transformation, the whole flow process of distribution, operation of power networks and maintenance management.Can GIS the system such as Seamless integration-electric power enterprise existing SCADA, DMS, MIS, CIS, ERP, becomes the key whether GIS can be widely used in power industry.
Therefore, need a kind of new technical scheme to solve the problem.
Summary of the invention
The object of the invention is the deficiency existed for prior art, there is provided a kind of electric power GIS magnanimity spatial point type vector data quick visualization method, realize the symbolism efficiency of electric system to vertex type power equipment and be difficult to meet the demand of electric power GIS to massive point type of electrical power device symbols efficiency.
For achieving the above object, electric power GIS magnanimity spatial point type vector data of the present invention quick visualization method can adopt following technical scheme:
A kind of quick visualization method of electric power GIS magnanimity spatial point type vector data, comprises following steps,
(1), the real-time rasterizing of point symbol: real-time rasterizing is carried out to the symbol of the non-rasterizing of client-requested visual power equipment type;
(2), the serializing of grid point symbol coding with store: use that device type is numbered, key value key that equipment state number and current engineer's scale are combined into encode as the serializing of grid point symbol, and store by different level by sequence;
(3), the unified call of rasterizing symbol: realize the location of visualization request vertex type equipment rasterizing symbol by the crucial key assignments key of grid and call;
(4), feature data association method: Raster Symbol by with the associating of vector symbol, indirect association power equipment attribute data and can operating power equipment.
In step (1), carry out real-time rasterizing to the symbol of the non-rasterizing of client-requested visual power equipment type, Raster Symbol is used for visualization, and is cached to disk preservation, directly calls for subsequent request.
In step 2) in, play up the difference group of generation by device type and equipment state, that engineer's scale continuous print grid point symbol uses device type numbering, equipment state number and current engineer's scale to be combined into crucial key assignments key encodes as the serializing of grid point symbol, and stores by different level by sequence.
In step 3) in, be combined into the crucial key assignments key of rasterizing symbol according to current visible requesting service type number, equipment state number and current engineer's scale, realize the location of rasterizing symbol by key and call.
In step 4) in, ensure the operability to power equipment by vector symbol in internal memory and with the relevance of power model; The power equipment attribute data that vector symbol provides equipment bounding box and can associate; Raster Symbol by with the associating of vector symbol, indirect association power equipment attribute data.
Compared with background technology, beneficial effect of the present invention is:
The realization of the quick visualization of electric power GIS magnanimity spatial point type vector data, solves the requirement of electric power GIS to the quick visualization of magnanimity spatial point type vector data, improves the visual efficiency of electric power GIS, improve the Consumer's Experience of electric power GIS.
Accompanying drawing explanation
Fig. 1 is the quick symbolism process flow diagram of point data.
Fig. 2 is the serializing code pattern of grid point symbol.
Fig. 3 is-symbol and power equipment Attribute Association figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Below in conjunction with accompanying drawing, the quick visualization method of a kind of electric power GIS magnanimity spatial point type vector data of the present invention is further described in detail.
Fig. 1 is the quick symbolism process flow diagram of point data.The client of electric power GIS sends visualized data request to service end, electric power GIS service end carries out vertex type Raster Symbol key value match loading in distributing data, if find coupling Raster Symbol, directly send client to and show, and Raster Symbol and corresponding vector symbol are carried out associating (vector symbol is associated with power model by the process of electric system basic function, form unique vector symbol of expressing specific single power equipment, as Fig. 3), indirect realization associates with power equipment attribute, ensures the interactivity of user and power equipment.If do not find the Raster Symbol mated, positioned by key value from disk file, directly be loaded in service after finding and use, otherwise according to request sign pattern, rasterizing is carried out to vector symbol, Raster Symbol after rasterizing is cached to disk while sending client to, and completes the related job of Raster Symbol and respective vectors symbol.
Fig. 2 is the serializing code pattern of grid point symbol.Key value uses unsigned int type (towards 32/64 compilers), the highest bytes store represents layer (zoom) progression of resolution, a minimum bytes store equipment state number, middle 2 bytes store device types number.
Fig. 3 is-symbol and power equipment Attribute Association figure.Vector symbol and power equipment attribute are man-to-man relations, and vector symbol generates in real time in internal memory, is only stored in internal memory, is not shown to client.Raster Symbol and vector symbol are the relations of one-to-many, Raster Symbol is only used as client display, the power equipment of same type and state uses identical Raster Symbol display, and Raster Symbol is associated with power model by vector symbol, and what ensure that between user and power equipment is mutual.
Claims (5)
1. the quick visualization method of electric power GIS magnanimity spatial point type vector data, is characterized in that: comprise following steps,
(1), the real-time rasterizing of point symbol: real-time rasterizing is carried out to the symbol of the non-rasterizing of client-requested visual power equipment type;
(2), the serializing of grid point symbol coding with store: use that device type is numbered, key value key that equipment state number and current engineer's scale are combined into encode as the serializing of grid point symbol, and store by different level by sequence;
(3), the unified call of rasterizing symbol: realize the location of visualization request vertex type equipment rasterizing symbol by the crucial key assignments key of grid and call;
(4), feature data association method: Raster Symbol by with the associating of vector symbol, indirect association power equipment attribute data and can operating power equipment.
2. the quick visualization method of electric power GIS magnanimity spatial point type vector data according to claim 1, it is characterized in that: in step (1), real-time rasterizing is carried out to the symbol of the non-rasterizing of client-requested visual power equipment type, Raster Symbol is used for visualization, and be cached to disk preservation, directly call for subsequent request.
3. the quick visualization method of electric power GIS magnanimity spatial point type vector data according to claim 1, it is characterized in that: in step 2) in, play up the difference group of generation by device type and equipment state, that engineer's scale continuous print grid point symbol uses device type numbering, equipment state number and current engineer's scale to be combined into crucial key assignments key encodes as the serializing of grid point symbol, and stores by different level by sequence.
4. the quick visualization method of electric power GIS magnanimity spatial point type vector data according to claim 1, it is characterized in that: in step 3) in, be combined into the crucial key assignments key of rasterizing symbol according to current visible requesting service type number, equipment state number and current engineer's scale, realize the location of rasterizing symbol by key and call.
5. a kind of quick visualization method of electric power GIS magnanimity spatial point type vector data according to claim 1, it is characterized in that: in step 4) in, ensure the operability to power equipment by vector symbol in internal memory and with the relevance of power model; The power equipment attribute data that vector symbol provides equipment bounding box and can associate; Raster Symbol by with the associating of vector symbol, indirect association power equipment attribute data.
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| CN201410558565.1A CN104331427A (en) | 2014-10-20 | 2014-10-20 | Power GIS massive space point type vector data rapid symbolization display method |
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Cited By (2)
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| CN107133272A (en) * | 2017-04-07 | 2017-09-05 | 南京南瑞集团公司 | A kind of Web ends magnanimity power network resources GIS data dynamic dispatching and rendering intent |
| CN109767478A (en) * | 2018-12-17 | 2019-05-17 | 深圳供电局有限公司 | Method and system for displaying distribution network geographical distribution characteristics |
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2014
- 2014-10-20 CN CN201410558565.1A patent/CN104331427A/en active Pending
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Inventor after: Chen Jianye Inventor after: Su Yunguang Inventor after: Tang Ming Inventor after: He Yuan Inventor before: Jin Zhibin Inventor before: Su Yunguang Inventor before: Tang Ming Inventor before: He Yuan |
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