CN105354882A - Method for constructing big data architecture based three-dimensional panoramic display platform for large-spatial-range electricity transmission - Google Patents
Method for constructing big data architecture based three-dimensional panoramic display platform for large-spatial-range electricity transmission Download PDFInfo
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Abstract
The present invention discloses a method for constructing a big data architecture based three-dimensional panoramic display platform for large-spatial-range electricity transmission. The method comprises the following steps: a, establishing a three-dimensional panoramic topographic map covering a relatively large spatial range, wherein the range is greater than 400,000 square kilometers; b, driven by electricity transmission service data, acquiring function and structural parameters through a line facility structure parameter model library, and creating a three-dimensional symbol model standard library of electricity transmission devices; c, for a complex three-dimensional terrain, applying a TIN structure to a system, to establish a three-dimensional ground surface with boundaries in an arbitrary shape; and d, displaying a real scene of a line and a line corridor. The method has the following advantages that an entire electricity transmission service and management process is integrated into big data cloud management; theprocess of an electricity transmission service is standardized; coordination and management functions of power departments are strengthened; and production, management, and decision making of power departments for power transmission and transformation are improved.
Description
Technical field
The present invention relates to large market demand technical field, large scene three-dimensional simulation technique field, more specifically, the present invention relates to a kind of large space scope based on large data technique framework transmission of electricity three-dimensional panorama display platform method for designing.
Background technology
Relative to European countries, China is vast in territory.As the ultra-high-tension power transmission line of grid company core asset, there is work span length, shaft tower equipment branch in the feature of field environment, circuit also will form scissors crossing with other power circuit, communication line and gully, river etc., and therefore patrolling and examining, monitoring of circuit be the working difficult point of power grid enterprises always.Along with the development of large market demand technology, GIS technology, three-dimension GIS obtains applying more and more widely in whole power industry, based on the three-dimensional simulation technique of real scene data, demonstrate outstanding effect in various aspects such as administration of power networks, breakdown repair, security monitorings.By means of superior image, data qualification, the technology such as advanced large market demand technology, GIS, RS of combining maturation and virtual reality are utilized digital terrain model, power transmission and transforming equipment model and various power department professional attributes information to be combined, set up the electric power of the scene on a large scale three-dimensional geographic information platform of specialty, the inquiry of the power specialty data combined with Fundamental Geographic Information Data, renewal can be realized, the maintenance of mains-power circuit and safe prosecution, the space realizing electrical network in large scene shows and analyzes, management function.Platform is by advanced large market demand technology and three-dimensional visualization means, include whole transmission of electricity business and management overall process the management of in large data high in the clouds, specification transmission of electricity operation flow, strengthen cooperation and the management function of power department, improve power department operation of transmission lines and substations, managerial ability and level of decision-making.
Summary of the invention
The object of the invention is, in order to break through conventional three-dimensional GIS, the restriction of three-dimensional display and application can only be carried out for scene among a small circle, provide a kind of transmission of electricity three-dimensional panorama display platform based on large data technique framework, utilize the advanced technologies such as html5, utilize the transmission line three-dimensional panoramic emulation platform that traditional Web shows, this Platform Requirements possesses the basic function of three-dimension GIS, comprise convergent-divergent, roaming, chart engage, coordinate conversion etc., also comprise the new opplication that large scene application is shown and the function that some are innovated simultaneously, such as transmission facility three-dimensional model imports according to latitude and longitude coordinates, the displaying of 360 degree on map of transmission facility model, the manual adjustment of transmission facility, the functions such as the attribute query of transmission facility.
The technical scheme that the object of the invention is to meet above-mentioned requirements is, provide a kind of large space scope transmission of electricity three-dimensional panorama display platform construction method of large data framework, the present invention is characterised in that, comprises the following steps:
A, the panorama dimensional topography scene set up within the scope of larger space, scope is greater than 400,000 square kilometres;
B, under transmission of electricity business datum drives, obtain function and structure parameter by line facility structural parameters model bank, create the transmission facility three dimensional symbol model criteria storehouse with design accuracy;
C, dimensional topography for complexity, system adopts TIN structure, flexible, true to nature, set up the three-dimension terrian with boundary with any contour fast;
D, show the real scene of described circuit and line corridor.
First utilize the technology such as large data technique platform Hadoop, Oracle, three-dimension GIS to carry out constructing large scene three-dimensional land map, the technology be wherein applied to have the modeling such as oblique photograph, laser three-dimensional scanning and conventional surface modeling etc. modeling technique.Secondly, completed the foundation of electric transmission line three-dimensional model by man-machine interaction, namely with the Computerized three-dimensional design software of 3Dmax and so on for instrument, completed the three-dimensional model construction work of the facilities such as electric power line pole tower, circuit, insulator chain by man-machine interactively operation; Then built by high-precision digital elevation model and level off to the dimensional topography surface of reality; Show finally by graphics engine the three-dimensional picture that the three-dimensional model that builds up and landform obtain power transmission line corridor view, related service information can be superposed in this space, thus the integrated visualization realizing transmission of electricity operation management information represents.
Platform architecture of the present invention: design based on .NET framework, supports N-tier service mode, meets .NET4.0 release criteria comprehensively, make system have good framework and dirigibility.
The major technique that present system adopts:
A, large data technique: base conditioning flow process and the traditional data treatment scheme of large data there is no too big-difference, the key distinction is: because large data will process a large amount of, non-structured data, so the modes such as MapReduce can be adopted in the processing procedure of links to carry out parallel processing.
B, tile gold word card: tile map pyramid model is a kind of multiresolution hierarchical model, and from the pyramidal bottom of tile to top layer, resolution is more and more lower, but the geographic range represented is constant, mainly comprises tile and the important concept of two, pyramid.So-called tile, according to certain proportional sizes, piece image is divided into some little square grids exactly, each grid is exactly a tile.So-called pyramid model is exactly the demand according to user, and piece image is divided into ascending region.After segmentation, it is ascending that image forms ratio, and quantity pyramid structure from less to more, is shown in shown in Fig. 1,2;
C, 3D model file (OBJ) format analysis: platform is directly resolved obj file, the information such as model vertices, pinup picture that obtains is stored in database by specification format preserves, and process is as shown in Figure 3;
The storage of D, DEM terrain data and display: digital elevation model (DigitalElevationModel), vehicle economy M.It is a kind of actual ground model representing ground elevation by one group of orderly array of values form, and be a branch of digital terrain model (DigitalTerrainModel is called for short DTM), other various topographic index all can derive from thus.The regular network structure of DEM and TIN (TriangularIrregularNetwork is called for short TIN) two kinds of algorithms.Algorithm conventional is at present TIN, then on TIN basis, builds DEM by linear and bilinear interpolation.Relative merits with the surface relief of regular square grid net altitude figures record: advantage: (X, Y) positional information can imply, without the need to all storing owing to being regular grid altitude figures as raw data, in data processing, ratio is easier to later.Shortcoming: data acquisition comparatively bothers, because net point is not unique point, some mima type microrelief may not have record.The advantage of TIN structured data: surface configuration can be described with the resolution of different levels. compared with Grid square model, TIN model can represent more complicated surface more accurately with less room and time under a certain specified resolution. special in landform includes large measure feature as fracture line, tectonic line, TIN model can take these features into account better.Normally used DEM file is gray-scale map, and its processing procedure as shown in Figure 4,5;
E, model warehouse-in process: model information in system is preserved in a database, same model, only preserves once, that is same class shaft tower shares same model and shows.Its warehouse-in process is illustrated in fig. 6 shown below;
The invention has the beneficial effects as follows, include whole transmission of electricity business and management overall process the management of in large data high in the clouds, specification transmission of electricity operation flow, strengthens cooperation and the management function of power department, improves power department operation of transmission lines and substations, managerial ability and level of decision-making.
Accompanying drawing explanation
Fig. 1 is pyramid planar structure schematic diagram;
Fig. 2 is pyramid structure schematic diagram intuitively;
Fig. 3 is for resolving OBJ model structure block diagram;
Fig. 4 is original DEM gray-scale map;
Fig. 5 is height fluctuation effect figure shown after treatment;
Fig. 6 is model warehouse-in process flow diagram flow chart;
Fig. 7 is platform architecture block diagram;
Fig. 8 is plotting table on a large scale;
Fig. 9 is the display effect figure in conjunction with business datum.
Embodiment
A large space scope transmission of electricity three-dimensional panorama display platform construction method for large data framework, the present invention is characterised in that, comprises the following steps:
A, the panorama dimensional topography scene set up within the scope of larger space, scope is greater than 400,000 square kilometres;
B, under transmission of electricity business datum drives, obtain function and structure parameter by line facility structural parameters model bank, create the transmission facility three dimensional symbol model criteria storehouse with design accuracy;
C, dimensional topography for complexity, system adopts TIN structure, flexible, true to nature, set up the three-dimension terrian with boundary with any contour fast;
D, show the real scene of described circuit and line corridor.
First utilize the technology such as large data technique platform Hadoop, Oracle, three-dimension GIS to carry out constructing large scene three-dimensional land map, the technology be wherein applied to have the modeling such as oblique photograph, laser three-dimensional scanning and conventional surface modeling etc. modeling technique.Secondly, completed the foundation of electric transmission line three-dimensional model by man-machine interaction, namely with the Computerized three-dimensional design software of 3Dmax and so on for instrument, completed the three-dimensional model construction work of the facilities such as electric power line pole tower, circuit, insulator chain by man-machine interactively operation; Then built by high-precision digital elevation model and level off to the dimensional topography surface of reality; Show finally by graphics engine the three-dimensional picture that the three-dimensional model that builds up and landform obtain power transmission line corridor view, related service information can be superposed in this space, thus the integrated visualization realizing transmission of electricity operation management information represents.
Platform architecture of the present invention: design based on .NET framework, support N-tier service mode, meet .NET4.0 release criteria, make system have good framework and dirigibility, its framework is illustrated in fig. 7 shown below comprehensively:
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (3)
1. a large space scope transmission of electricity three-dimensional panorama display platform construction method for large data framework, is characterized in that, comprise the following steps:
A, the panorama three-dimensional land map set up within the scope of larger space, scope is greater than 400,000 square kilometres;
B, under transmission of electricity business datum drives, obtain function and structure parameter by line facility structural parameters model bank, create transmission facility three dimensional symbol model criteria storehouse;
C, dimensional topography for complexity, system adopts TIN structure, sets up the three-dimension terrian with boundary with any contour;
D, show the real scene of described circuit and line corridor.
2. the large space scope transmission of electricity three-dimensional panorama display platform construction method of a kind of large data framework according to claim 1, it is characterized in that, first, panorama three-dimensional land map utilizes large data technique platform Hadoop or Oracle or three-dimension GIS technology, and the modeling technique of using inclined camera work, laser three-dimensional scanning modeling and conventional surface modeling constructs; Secondly, completed the foundation of electric transmission line three-dimensional model by man-machine interaction, namely with the Computerized three-dimensional design software of 3Dmax for instrument, completed the three-dimensional model construction work of the facilities such as electric power line pole tower, cable, insulator chain by man-machine interactively operation; Then built by high-precision digital elevation model and level off to the dimensional topography surface of reality; The three-dimensional picture that the three-dimensional model that builds up and landform obtain power transmission line corridor view is shown finally by graphics engine.
3. the large space scope transmission of electricity three-dimensional panorama display platform construction method of a kind of large data framework according to claim 1, it is characterized in that, described system designs based on NET framework, supports N-tier service mode.The major technique that system adopts:
A, large data technique: in the links of large data processing, all adopt the modes such as MapReduce to carry out parallel processing;
B, tile gold word card: comprise tile and pyramid two concepts; So-called tile, namely according to certain proportional sizes, piece image is divided into some little square grids, each grid becomes a tile; Pyramid model is exactly the demand according to user, and piece image is divided into ascending region; After segmentation, it is ascending that image forms ratio, quantity pyramid structure from less to more;
C, 3D model file (OBJ) format analysis: platform is directly resolved obj file, the information such as model vertices, pinup picture that obtains is stored in database by specification format preserves;
The storage of D, DEM terrain data and display: i.e. digital elevation model, it is a kind of actual ground model representing ground elevation by one group of orderly array of values form, the regular network structure of DEM and TIN two kinds of algorithms; System adopts TIN algorithm, then on TIN basis, builds DEM by linear and bilinear interpolation;
E, model warehouse-in process: model information in system is preserved in a database, same model, only preserves once, that is same class shaft tower shares same model and shows.
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| CN107590861A (en) * | 2017-09-19 | 2018-01-16 | 北京许继电气有限公司 | Three-dimensional earth method for visualizing based on electric transmission line channel visualization system |
| CN109360287A (en) * | 2018-03-27 | 2019-02-19 | 浙江华云电力工程设计咨询有限公司 | Transmission line of electricity three-dimensional digital fortune inspection management system |
| CN110207667A (en) * | 2019-05-15 | 2019-09-06 | 中国建筑西南设计研究院有限公司 | A method of realizing that landscape design range delimited based on oblique photograph |
| CN110853141A (en) * | 2019-11-18 | 2020-02-28 | 国网四川省电力公司达州供电公司 | Method for creating three-dimensional simulation visual management system for power distribution network equipment information |
| CN111197986A (en) * | 2019-08-13 | 2020-05-26 | 苏州光之翼智能科技有限公司 | Real-time early warning and obstacle avoidance method for three-dimensional path of unmanned aerial vehicle |
| CN111708752A (en) * | 2020-04-10 | 2020-09-25 | 国网安徽省电力有限公司 | Three-dimensional standard model library management system for power transmission equipment |
| CN111882654A (en) * | 2020-06-18 | 2020-11-03 | 广东电网有限责任公司广州供电局 | Lightweight three-dimensional rendering method applied to 110kV transformer substation |
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| CN111882654A (en) * | 2020-06-18 | 2020-11-03 | 广东电网有限责任公司广州供电局 | Lightweight three-dimensional rendering method applied to 110kV transformer substation |
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Application publication date: 20160224 |