CN104281753A - Two-dimension and three-dimension integration based transmission line corridor parameterized building method and system - Google Patents
Two-dimension and three-dimension integration based transmission line corridor parameterized building method and system Download PDFInfo
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Abstract
The invention provides a two-dimension and three-dimension integrated based transmission line corridor parameterized building method and system. The method includes the steps of S01, acquiring tower and insulator two-dimensional vector data, extracting elevation and line corridor three-dimensional data and acquiring topographic data; S02, calculating mount positions of an insulator and a transmission line relative to a tower by the aid of a model mount program of the insulator and the tower to form model mount data; S03, subjecting line corridor three-dimensional data to conversion processing to generate an shp file of ArcGIS; S04, subjecting models in a three-dimensional standard model library to comparing, editing, assembling and output processing to generate model data; S05, acquiring the topographic data and structuring a transmission line corridor scene according to the topographic data, the Shp file and the model data. Thee-dimensional modeling is short in period, working efficiency can be greatly improved, and two-dimension and three-dimension integrated applications are realized.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of power transmission line corridor parametrization construction method based on two three-dimensional integratedization and system, be widely used in two three-dimensional integrated displayings of transmission line of electricity, application and management.
Background technology
The building mode of present three-dimensional power transmission line corridor, mainly contain two kinds, one is carry out artificial modeling according to the information of drawing and collection now, and two is according to Study on Power Grid Planning requirement, calls the three-dimensional master pattern of transmission line of electricity carry out design and assembly modeling by design software.Its cycle of artificial modeling pattern is long, and construction cost is high, and the reusability of project is poor; Planning and design modeling pattern, establish the three-dimensional master pattern storehouse of transmission line of electricity, build model three-dimensional scenic by model assembling, substantially increase work efficiency, decrease the three-dimensional modeling cycle, but early stage sets up transmission line of electricity three-dimensional data specification and three-dimensional model java standard library, need to spend a large amount of workloads, the data volume of its model is large, and it is poor to lack texture scene effectiveness comparison, after issuing into three-dimensional scenic, entirety editor cannot be carried out to circuit, also cannot carry out realizing two three-dimensional integratedization application.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of three-dimensional modeling cycle short, can greatly increase work efficiency, and realizes the power transmission line corridor parametrization construction method based on two three-dimensional integratedization and the system of two three-dimensional integratedization application.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of power transmission line corridor parametrization construction method based on two three-dimensional integratedization, comprise the steps:
S01, acquisition shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and acquisition terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
S02, utilize the model connection program of insulator and shaft tower, calculate the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
S03, conversion process is carried out to line corridor three-dimensional data, generate the shp file of ArcGIS;
S04, compare, edit, assemble and output processing generation model data the model in three-dimensional master pattern storehouse, wherein, described model comprises shaft tower, insulator and power transmission line;
S05, acquisition terrain data, and base area graphic data, Shp file and model data build power transmission line corridor scene.
In order to solve the problems of the technologies described above, another technical solution used in the present invention is: a kind of power transmission line corridor parametrization constructing system based on two three-dimensional integratedization, comprises acquiring unit, computing unit, image unit, processing unit and construction unit;
Acquiring unit, for obtaining shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and obtaining terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
Computing unit, utilizes the model connection program of insulator and shaft tower, calculates the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
Image unit, for carrying out conversion process to line corridor three-dimensional data, generates the shp file of ArcGIS;
Processing unit, for comparing the model in three-dimensional master pattern storehouse, editing, assemble and output processing generation model data, wherein, described model comprises shaft tower, insulator and power transmission line;
Construction unit, builds power transmission line corridor scene for base area graphic data, Shp file and model data.
Beneficial effect of the present invention is: be different from the cycle of three-dimensional modeling in prior art long, inefficiency, the problem of two three-dimensional integratedization application can not be realized, the invention provides a kind of power transmission line corridor parametrization construction method based on two three-dimensional integratedization, the method is by formulating electric power line pole tower, insulator three-dimensional data standard compares three-dimensional model, editor, assembling and output processing, three-dimensional modeling is carried out according to three-dimensional data standard, warehouse-in forms electric power line pole tower, the three-dimensional model java standard libraries such as insulator, simultaneously, three-dimensional model java standard library is effectively managed, parametrization builds power transmission line corridor three-dimensional scenic, drive based on two-dimension GIS vector data, realize two three-dimensional integratedization application.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the power transmission line corridor parametrization construction method that the present invention is based on two three-dimensional integratedization;
Fig. 2 is overall flow figure of the present invention;
Fig. 3 is the process flow diagram of one embodiment of the invention;
Fig. 4 is the process flow diagram of another embodiment of the present invention;
Fig. 5 is the process flow diagram of further embodiment of this invention.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of most critical of the present invention is: obtain line corridor three-dimensional data by the vector data of acquisition shaft tower, insulator and obtain terrain data, then mounting position is calculated, and by comparing input model and three-dimensional master pattern library model generation model data, and base area graphic data, Shp file and model data build power transmission line corridor scene, the three-dimensional modeling cycle is short, greatly can increase work efficiency, realize two three-dimensional integratedization application
Please refer to Fig. 1 and Fig. 2, a kind of power transmission line corridor parametrization construction method based on two three-dimensional integratedization, comprises the steps:
S01, acquisition shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and acquisition terrain data and acquisition terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
S02, utilize the model connection program of insulator and shaft tower, calculate the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
S03, conversion process is carried out to line corridor three-dimensional data, generate the shp file of ArcGIS;
S04, compare, edit, assemble and output processing generation model data the model in three-dimensional master pattern storehouse, wherein, described model comprises shaft tower, insulator and power transmission line;
S05, base area graphic data, Shp file and model data build power transmission line corridor scene.
From foregoing description, beneficial effect of the present invention is: compared three-dimensional model by formulation electric power line pole tower, insulator three-dimensional data standard, edit, assembled and output processing, three-dimensional modeling, java standard library such as three-dimensional model such as warehouse-in formation electric power line pole tower, insulator etc. is carried out according to three-dimensional data standard, simultaneously, three-dimensional model java standard library is effectively managed, three-dimensional model java standard library is effectively managed, parametrization builds power transmission line corridor three-dimensional scenic, drive based on two-dimension GIS vector data, realize two three-dimensional integratedization application.
Further, also comprise the step of carrying out parameter model according to model connection data and model data after described step S04, wherein, described parameter model comprises manual creation shaft tower, insulator and model power line.
Further, described step S04 specifically comprises,
S41, model comparison step, compare the model in the model inputted and three-dimensional master pattern storehouse, if there is the model of input in three-dimensional master pattern storehouse, then directly obtain this model, then performs step S42 if not;
S42, model editing step, amplify the model of input, reduce, rotate, translation and fractured operation;
S43, build three-dimensional model step, call multiple submodel, carry out respectively amplifying, reduce, rotate, export after stretched operation;
S44, three-dimensional model warehouse-in step, according to three bit model segmentation principles, inspection cutting after model, and to warehouse-in model name and gives encode and attribute after import three-dimensional master pattern storehouse.
Above-mentioned fractionation is with State Grid Corporation of China's three-dimensional model series of canonical for instructing, and variety classes, dissimilar equipment carry out modeling respectively; Same type equipment, can carry out segmenting, according to equipment common ground and reusability, with ease of assembly, be conveniently modeled as principle, formulate three-dimensional model cutting specification, improve the reusability of submodel to greatest extent, it is desirable to call the submodel of needs, carry out building of three-dimensional scenic in the mode played with building blocks, individual demand is modeling separately again, effectively reduces modeling cost.Such as: shaft tower, dissimilar shaft tower can cutting be all tower head, tower body, column foot etc. and part.And the mini-plant such as insulator chain and gold utensil, then should not segment again.And the main equipment in transformer station, then need to formulate corresponding cutting specification, instruct during modeling person's modeling and carry out cutting, modeling, specification modeling, warehouse-in and management, for follow-up three-dimensional scenic construction lays the foundation.
Above-mentioned name for instructing, formulates three-dimensional model Naming conventions with State Grid Corporation of China's three-dimensional model series of canonical.The corresponding single name of single model, submodel, does not allow the existence of the identical name of model, submodel, guarantees the uniqueness that model, submodel are named, ensure the correct of model index, model buildings.
Above-mentioned coding for instructing, formulates three-dimensional model coding criterion with State Grid Corporation of China's three-dimensional model series of canonical.Normative model warehouse-in coding can consider model performance grade, model generic, types of models, types of models subclass, electric pressure, insulator material, insulation sub-pieces number, exhale claim high, protection gold utensil type, producer is called for short and the aspect such as model sequence number, guarantee that coding is simple, unique, aspect retrieval and management.
Further, building the algorithm utilized in the step of power transmission line corridor scene in described step S05 is sag modeling algorithm.The shaft tower of power transmission line corridor is according to overhead line structures coordinate points, using perpendicular to the angles of the angular centre line between current shaft tower point and former and later two shaft towers point as current Tower Model, obtain ground elevation by current shaft tower coordinate points from terrain data, determine the various positional information of current shaft tower.Each shaft tower on circuit obtains the putting position of each Tower Model according to above-mentioned computing method, insulator obtains the relative position of the relative shaft tower of insulator by model connection, after shaft tower position is determined, just can be gone out the concrete putting position of insulator relative to the position calculation of shaft tower by insulator, ground wire wire obtains wire mounting position, rear and front end according to ground wire mounting point to calculate ground wire by sag modeling algorithm, A, B, the wire of C phase is according to insulator mounting point, the size of insulator, the wire mounting position that mounting angle obtains rear and front end calculates A by sag modeling algorithm, B, the wire of C phase.Concrete sag analog conducting wire algorithm is as follows:
1) according to the interpolation point N of 2 distance setting sag wires;
2) the height difference angle B of 2 is calculated according to two point coordinate;
3) discrepancy in elevation coefficient A is calculated according to two point coordinate and height difference angle;
A＝Math.Sqrt(Math.Pow((9.80665*p1+9.80665*0.9*Math.PI*Q*(Q+d)/1000),2)+Math.Pow((0.625*v*v*(d+2*Q)*a*u/1000),2))/(2*O)；
A＝A/(Math.Cos(Math.Atan(tanB)))；
4) each interpolation point coordinate (x, y, z) is calculated
pt.x＝x1+((x2-x1)*i)/(N*1.0)；
pt.y＝y1+((y2-y1)*i)/(N*1.0)；
pt.z＝z1+(z2-z1)*i/N-A*(N-i)*i*((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1))/(N*N)；
5) each interpolation point line is sag analog conducting wire;
In sum, line corridor operation integration, build three-dimensional scenic time directly use original two-dimentional line corridor data carry out three-dimensional drive, without the need to carry out format conversion avoid preparation two number according to reduce spatial redundancy be easy to updating maintenance; After the shape of line corridor relevant device, path being edited in two-dimentional modeling, in three-dimensional scenic, also can show the effect after editor, gained and finding simultaneously; Can direct control is mutual in two dimension or three-dimensional respective scene data, comprise roaming, amplify, inquire about, locate, check attribute, advanced analysis, query statistic etc., accomplish that two three-dimensional displays are integrated, promote application experience and management effect.
Following table is artificial modeling, the parametrization of design setting model and this programme builds the contrast in power transmission line corridor, therefrom passable, finds out that parametrization builds the advantage in power transmission line corridor;
Based on a power transmission line corridor parametrization constructing system for two three-dimensional integratedization, comprise acquiring unit, computing unit, image unit, processing unit and construction unit;
Acquiring unit, for obtaining shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and obtaining terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
Computing unit, utilizes the model connection program of insulator and shaft tower, calculates the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
Image unit, for carrying out conversion process to line corridor three-dimensional data, generates the shp file of ArcGIS;
Processing unit, for comparing the model in three-dimensional master pattern storehouse, editing, assemble and output processing generation model data, wherein, described model comprises shaft tower, insulator and power transmission line;
Construction unit, builds power transmission line corridor scene for base area graphic data, Shp file and model data.
In sum, the power transmission line corridor parametrization constructing system based on two three-dimensional integratedization is the embody rule of said method, can greatly increase work efficiency, and realizes two three-dimensional integratedization application.
Please refer to Fig. 3, embodiments of the invention one:
This embodiment is early stage mainly, landform, image, vector data is not had in power network GIS platform, PMS (Production Managementsystem For Electricpower Network) the inside does not have the parameter information that line corridor is relevant yet, and three-dimensional model java standard library is not when also having or do not set up completely, carry out the mode implemented.
1, from other local acquisition GIS data, SHP data are converted into;
2, from other local acquisition landform image datas;
3, landform video scenery is built;
4, whether exist from line corridor three-dimensional model library inquiry shaft tower type;
5, on request bar non-existent in model bank to be taken and insulator type carries out three-dimensional modeling;
6, generate osg/.x form, carry out shaft tower and the mounting of insulator corresponding point, formation model mounting parameter;
7, enroll other parametrizations and build parameter;
8, use line corridor scenario parameters the build tool to carry out two-dimensional vector three-dimensional to drive, form line corridor three-dimensional scenic;
9, apply on line corridor two three-dimensional integratedization platform.
Please refer to Fig. 4, embodiments of the invention two: this embodiment mainly in power network GIS platform oneself through having landform, image, vector data, also there is the parameter information that line corridor is relevant inside PMS, but when three-dimensional model java standard library does not also have or do not set up completely, carry out the mode implemented:
1, obtain GIS data from power network GIS platform, be converted into SHP data;
2, obtain landform image data from power network GIS platform, build landform video scenery;
3, whether exist from line corridor three-dimensional model library inquiry shaft tower type;
4, on request bar non-existent in model bank to be taken and insulator type carries out three-dimensional modeling;
5, shaft tower and the mounting of insulator corresponding point is carried out, formation model mounting parameter;
6, obtain other parametrizations from PMS and build parameter;
7, use line corridor scenario parameters the build tool to carry out two-dimensional vector three-dimensional to drive, form line corridor three-dimensional scenic;
8, apply on line corridor two three-dimensional integratedization platform.
Refer to Fig. 5, embodiments of the invention three: mainly oneself, through having landform, image, vector data, also has the parameter information that line corridor is relevant, simultaneously to this embodiment inside PMS in power network GIS platform, three-dimensional model java standard library is own in complete situation, carries out the mode implemented.
1, GIS data is obtained from power network GIS platform;
2, landform image data is obtained from power network GIS platform;
3, obtain other parametrizations from PMS and build parameter;
4, relevant three-dimensional model and model connection parameter is obtained from three-dimensional model java standard library;
5, use line corridor scenario parameters the build tool to carry out two-dimensional vector three-dimensional to drive, form line corridor three-dimensional scenic;
6, apply on line corridor two three-dimensional integratedization platform.
In sum, the power transmission line corridor parametrization construction method proposed based on three-dimension GIS provided by the invention, the method its for power transmission line corridor shaft tower and insulator carry out three-dimensional data standard criterion formulate and the construction of three-dimensional model java standard library, early stage, the workload of cost was less, later stage drives by two-dimension GIS vector data, realize power transmission line corridor three-dimensional scenic rapid build, and two three-dimensional integratedization application can be realized, substantially increase work efficiency, promote creating conditions for three-dimensional circuits corridor large-area applications.Concrete condition is as follows:
1, realize line corridor parametrization to build, rapid build power transmission line corridor three-dimensional scenic, solve the problem that three-dimensional data modeling period is long, cost is high;
2, realize the application of line corridor two three-dimensional integratedization, solving that three-dimensional data upgrades cannot local updating, cannot carry out the problem of direct editing renewal, promote creating conditions for three-dimensional circuits corridor large-area applications;
3, implementation model mounting configuration, meet different circuit types shaft tower and insulator mounts matching problem, solve single loop and multiloop and joint use the parametrization configuration generation waiting various lines corridor type, more real simulation line corridor three-dimensional scenic, for the effective management realizing line corridor lays the first stone;
4, the three-dimensional model java standard library of electric power line pole tower and insulator is created, realize various shaft tower, the three-dimensional model modeling of insulator type, warehouse-in, for line corridor parametrization builds shaft tower and the insulator model providing coupling, thering is provided three-dimensional model for realizing line corridor parametrization structure, reducing the duplicate construction of three-dimensional model;
5, create the three-dimensional data standard of electric power line pole tower and insulator, realize line corridor three-dimensional model and make, check, put in storage and standardization of application, greatly reduce the repeated construction of line corridor three-dimensional applications project, substantially increase work efficiency.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing instructions of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1., based on a power transmission line corridor parametrization construction method for two three-dimensional integratedization, it is characterized in that, comprise the steps:
S01, acquisition shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and acquisition terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
S02, utilize the model connection program of insulator and shaft tower, calculate the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
S03, conversion process is carried out to line corridor three-dimensional data, generate the shp file of ArcGIS;
S04, compare, edit, assemble and output processing generation model data the model in three-dimensional master pattern storehouse, wherein, described model comprises shaft tower, insulator and power transmission line;
S05, acquisition terrain data, and base area graphic data, Shp file and model data build power transmission line corridor scene.
2. the power transmission line corridor parametrization construction method based on two three-dimensional integratedization according to claim 1, it is characterized in that, the step of carrying out parameter model according to model connection data and model data is also comprised after described step S04, wherein, described parameter model comprises manual creation shaft tower, insulator and model power line.
3. the power transmission line corridor parametrization construction method based on two three-dimensional integratedization according to claim 1, it is characterized in that, described step S04 specifically comprises,
S41, model comparison step, compare the model in the model inputted and three-dimensional master pattern storehouse, if there is the model of input in three-dimensional master pattern storehouse, then directly obtain this model, then performs step S42 if not;
S42, model editing step, amplify the model of input, reduce, rotate, translation and fractured operation;
S43, build three-dimensional model step, call multiple submodel, carry out respectively amplifying, reduce, rotate, export after stretched operation;
S44, three-dimensional model warehouse-in step, according to three bit model segmentation principles, inspection cutting after model, and to warehouse-in model name and gives encode and attribute after import three-dimensional master pattern storehouse.
4. the power transmission line corridor parametrization construction method based on two three-dimensional integratedization according to claim 1, is characterized in that, building the algorithm utilized in the step of power transmission line corridor scene in described step S05 is sag modeling algorithm.
5., based on a power transmission line corridor parametrization constructing system for two three-dimensional integratedization, it is characterized in that, comprise acquiring unit, computing unit, image unit, processing unit and construction unit;
Acquiring unit, for obtaining shaft tower, insulator two-dimensional vector data and elevation extraction line corridor three-dimensional data thereof and obtaining terrain data, wherein, described line corridor is made up of multiple shaft tower and insulator;
Computing unit, utilizes the model connection program of insulator and shaft tower, calculates the mounting position formation model mounting data of insulator, the relative shaft tower of power transmission line;
Image unit, for carrying out conversion process to line corridor three-dimensional data, generates the shp file of ArcGIS;
Processing unit, for comparing the model in three-dimensional master pattern storehouse, editing, assemble and output processing generation model data, wherein, described model comprises shaft tower, insulator and power transmission line;
Construction unit, builds power transmission line corridor scene for base area graphic data, Shp file and model data.
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| CN104834788A (en) * | 2015-05-20 | 2015-08-12 | 广东电网公司佛山供电局 | Multi-loop multi-splitting ground wire three-dimensional model real-time construction method for 500kV tower |
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| CN107102991A (en) * | 2016-02-19 | 2017-08-29 | 中国电力科学研究院 | A kind of shaft tower parametric modeling method in three-dimension GIS system |
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| 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 |
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