CN101178310B - Method for surveying and designing powerline and inside and outside trade integration using full digitisation photogrammetric technology - Google Patents
Method for surveying and designing powerline and inside and outside trade integration using full digitisation photogrammetric technology Download PDFInfo
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Abstract
The invention relates to a method on carrying through the integration of office and field operations of transmission line investigating design by the technology of full numeralization photography and measuring. The invention is improved based on the prior art. The main improvement of the invention is that the plane section data generated by Supresoft is used for carrying through filed operation measuring and annotation, and then the plane section data is input in a Daoheng Software platform by data batch process software interface. The invention has the advantages of low cost, high working efficiency, reducing work intensity, few personnel investment, reliable quality, convenient popularity and application as well as remarkable economic and social benefits.
Description
Technical field
The present invention relates to a kind ofly utilize totally digitilized photogrammetric technology to carry out transmission line of electricity survey and design inside and outside trade integration method, belong to transmission line of electricity survey and design method and technology field.
Background technology
Along with the development of computer technology, aerial survey technology, late nineteen nineties in last century makes in the photogrammetric measurement and has already developed into the totally digitilized photogrammetric stages of all realizing on computers from simulation, resolution phase.Photogrammetric office work work is finished on computers in batches automatically, has significantly reduced the quality of boat sheet and the technical requirement of operator; Automatic triangulation has significantly reduced the quantity of field operation photo control point; The development of GPS technology and application increase substantially the surveying work efficient of field operation photo control point; In addition, homemade totally digitilized Digital Photogrammetric System (promptly suitable general software) is compared with external totally digitilized Digital Photogrammetric System, has friendly interface, the significant advantage that expense reduces significantly.In sum, totally digitilized photogrammetric technology is applied rapidly in China.
The total digitalization Digital Photogrammetric System can be exported stereoscopic model, orthophotoquad (DOM), digital elevation model (DEM), digital line layout figure (DLG), digital raster figure (DRG), utilizes its corresponding software module can generate digital topography map.
Exploration department in electric system is applied to the aerial survey technology in the surveying work of ultra-high-tension power transmission line engineering very early.Development along with the GPS technology, the exploitation of homemade full digital photogrammetric system (suitable general software), making with totally digitilized Digital Photogrammetric System, GPS technology is that the totally digitilized photogrammetric technology of core is applied in ultra-high-tension power transmission line engineering survey design and become possibility.The full digital photogrammetric technology has become a comparatively technology in forward position of Electric Power Survey design system, how to make totally digitilized photogrammetric technology better service become the focus of research in the high-tension line survey and design.Suitable general software company has developed the software module of utilizing stereoscopic model to optimize the transmission line of electricity path cooperatively with electric system about 2003, and Preliminary Exploitation from the software module of stereoscopic model extraction transmission line of electricity plane cross section.Because the research that suitable general software company uses the transmission line of electricity survey and design is limited with input, it is perfect not to the utmost to optimize the path module function, extracting circuit plane cross section vertical accuracy that circuit plane cross section module obtains can not engineering demands, and does not have batch processing software data interface with general transmission route survey design integration software-Dao Heng software (SLCAD).Online one point data interface not only needs the technician many, inefficiency, and also failure rate is higher, causes to optimize use GPS measurement plane cross section behind the path, and the prosperous software in intake duct, to reach the accuracy requirement of engineering.
At present, electric system exploration department survey and design method step commonly used is: (1) boat flies; (2) GPS aerial survey external control; (3) utilize the interior operation of navigating of suitable general software; (4) indoor stereo model route selection and practicable on the spot; (5) according to optimized path, survey crew uses GPS field acquisition plane cross section data; (6), and generate the circuit plane cross section with the prosperous software of above-mentioned plane cross section data input channel; (7) walkthrough tower position on the prosperous software platform in road; And the open-air setting-out tower of use GPS position; With the setting-out tower position prosperous software of input channel as a result, utilize prosperous transmission line of electricity CAD software to generate flat section location map again, further launch design effort for the designer.
That the shortcoming of above-mentioned survey and design method is that cost height, inefficiency, personnel drop into is many, labour intensity big, quality can not get guaranteeing.
Summary of the invention
The technical solution adopted for the present invention to solve the technical problems:
The present invention improves on the basis of existing technology and forms, its main improvement is circuit plane cross section data of utilizing suitable general software to generate, carry out again that field operation is measured and transfer paint after, use batch data process software interface with in the prosperous software platform of plane cross section data input channel.
Concrete grammar step of the present invention is as follows:
Concrete grammar step of the present invention includes: (1) boat flies: aeroplane photography is carried out in the path according to primary design; (2) GPS aerial survey external control: the three-dimensional coordinate that uses GPS field survey photo control point; And navigate to transfer to other localities and paint; (3) utilize the interior operation of navigating of suitable general software: according to aviation scanning information, the GPS external control result of above-mentioned (1), (2) step gained, transfer the data of painting, at suitable general software is to carry out automatic triangulation on the full digital photogrammetric system workbench, sets up the digital ground stereoscopic model and generates digital orthoimage topomap and DTM; (4) indoor stereo model route selection and practicable on the spot: utilize digital orthoimage topomap, DTM and stereoscopic model to carry out indoor route selection and optimization path; Field operation uses the RTK mode of operation of GPS that the path setting-out of indoor optimization is arrived on the spot, and adjusts on the spot with GPS, and final corner coordinate is noted with GPS; It is characterized in that it also includes following five steps:
(5) gather the plane cross section data:
Utilize suitable general virtuozo EPMapper software, carry out the stereoscopic model mapping, simultaneously generation pass plane cross section data file according to final route;
(6) field operation is measured and is transferred and paint:
Use the RTK mode of operation of GPS, measure the straight line stake, elevation is checked point, and the repetition measurement corner pile, measure grave, well, the line of electric force class data that to differentiate from the stereoscopic model simultaneously; Use the GPS software kit that data communication is gone into computing machine, and generate data file;
(7) use batch data Processing Interface software to carry out data-switching:
Using batch data Processing Interface software at first to read in field operation measures and transfers the gps data of painting and fit the plane cross section data that general software plane cross section extraction module extracts from stereoscopic model, proofread and correct aerial survey plane cross section data according to gps data then, make the elevation unanimity; The plane cross section data file of prosperous software format is satisfied in output at last, and suffix is TL;
(8) in the prosperous software platform in road, measure design:
The plane cross section data interchange file of batch data Processing Interface software output is called in prosperous software platform, provide the designer in identical platform walkthrough tower position through editor, utilize the position stake of the open-air setting-out tower of GPS, and, further carry out design effort for the designer with the prosperous software platform of final tower bit data input channel that GPS gathers;
(9) set up circuit GIS:
With 1: 5 ten thousand scanning topomap, 1: 1 ten thousand orthophotoquad, tower position coordinate results digital material incoming line GIS platform; Be convenient to carry out figure and belong to inquiry and genus figure inquiry, output thematic map.
Beneficial effect of the present invention is as follows:
(1) cost is low:
The total digitalization Digital Photogrammetric System adopts homemade suitable general software, and cost only is 1/4 of an external homogeneous system (for example extra large Bearing score system); Utilize batch data Processing Interface software than the synchronous plane cross section data acquisition hardware of single-point, cost-saved 20,000 yuan/cover; Optimize the path contraction path, reduce and remove, change tower saving steel etc., can significantly save investment; Personnel's less investment can reduce human cost; Work efficiency improves, and can save the survey and design cost.
(2) high efficiency:
Adopt homemade totally digitilized Digital Photogrammetric System, compare with traditional aerial survey, boat tablet quality, technician's level are required significantly to reduce, the photogrammetric office work work efficiency improves 5 times; Adopt GPS to carry out the aerial survey external control, and compare external locus of control with traditional aerial survey and reduce 60%, work efficiency significantly improves; Adopt batch data Processing Interface software, increase work efficiency 3-5 doubly than the synchronous online plane cross section collecting method of single-point that suitable general software provides, directly adopt GPS field acquisition plane cross section data increase work efficiency 2 times (need not fit in the general software industry gather the plane cross section data) behind the path by stereoscopic model than optimizing; In general, this method is than adopting traditional worker's survey method to increase work efficiency more than 3 times, than adopting traditional airborne survey method to increase work efficiency more than 4 times.
(3) reduce labour intensity:
On the one hand, adopt homemade totally digitilized Digital Photogrammetric System, because work efficiency improves and technical requirement reduces, photogrammetric office work technician's labour intensity significantly reduces; On the other hand, aerial survey external control workload reduces, and adopts the GPS work efficiency to improve, and field operation labour intensity reduces; In addition, because batch data Processing Interface software has solved the precision and the lower problem of efficient of aerial survey plane cross section data, most of plane cross section The data airborne survey method obtains, and has reduced the labour intensity of field work; The method that the plane cross section data that batch data Processing Interface software and suitable general software provide enter the SLCAD platform, because its work efficiency improves 3-5 doubly, labour intensity also can significantly reduce.
(4) personnel's less investment:
The photogrammetric office work work efficiency improves, and can reduce personnel's input; Aerial survey external control workload reduces and adopts GPS, can reduce technician 2-3 people; Batch data Processing Interface software input is used, and can be reduced to 1 people to 2 technician of suitable general software and SLCAD on-line job, and work efficiency improves the input that also can reduce human resources.
(5) reliable in quality:
Owing to adopt the integral application method of multinomial new and high technology, human intervention has been dropped to minimum, error rate significantly reduces; Adopt GPS to carry out the field data collection, error does not accumulate; Use and check by engineering, accumulated tight Quality Control Procedure and the method for a cover.For example GPS field work requirement has avoided base station to start the wrong mistake that causes.
(6) easy to utilize:
The total digitalization Digital Photogrammetric System adopts homemade suitable general software, and it is convenient not only to link up, and expense is lower, and boat tablet quality and technician are required to reduce, and is easy to utilize; Adopt batch data Processing Interface software, simple to operate, high efficiency, and also swap data is the * .TL form of original Electric Power Design Institute system widespread use, is convenient to understand and editor; Solved the problem that aerial survey data vertical accuracy is proofreaied and correct and entered the SLCAD platform in batches by batch data Processing Interface software, and the deficiency that the gps data warehouse-in efficiency that has remedied SLCAD software is low and aerial survey data vertical accuracy calibration function is weak, and SLCAD reaches 95% in the market share of power survey and design institute system.
(7) economic benefit and obvious social benefit:
Optimize the direct investment that path contraction path, minimizing housing demolition etc. reduce engineering, work efficiency improves, and reduces the input of manpower and materials, and it is that power grid GIS is laid the data basis that the 4D digital product is provided, and it is conspicuous obtaining remarkable economic efficiency.The applicant has utilized this technology to finish 500kV circuit 2500km, adopt homemade totally digitilized Digital Photogrammetric System to optimize path 4%, every kilometer investment is by 1,800,000 yuan of calculating, save 18,000 ten thousand yuan of investments, add to reduce and remove and change tower saving steel, conservative estimation is about 8,000,000 yuan; The work efficiency raising reduces survey and design manpower and materials input, saves 4 by every kilometer and organizes work day, and each organizes 1000 yuan of calculating on work day, saves 1,000 ten thousand yuan of funds altogether; Utilize 4D and other digital product,, gather 2000 yuan of calculating of expense, can save 5,000,000 yuan by every kilometer later stage for circuit GIS provides basic digital information.Total is economized on the use of funds 1.95 hundred million yuan, remarkable in economical benefits.
Shorten path and reduce leap, removal and trees felling by path optimization, environment has been played the maximization protection, reduced taking of ploughing; By reducing inside and outside industry working time and intensity, alleviated technician's labour intensity greatly; By abundant digital basis information is provided,, make more real, the science of GISization management of electrical network in the future, obvious social benefit for the GIS data that provides the foundation.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is batch data Processing Interface software workflow figure.
Fig. 3 is suitable general software, batch data Processing Interface software, the prosperous software in road, the integrated workflow diagram of GPS.
Embodiment
Utilize method of the present invention to carry out survey and design work at mountain route (sweat sea-Guyuan-circuit Hebei, safety city section) and Plain circuit (dan north, 500KV Shijiazhuang-stone east circuit) respectively, the concrete grammar step is to operate according to the technical scheme in the foregoing invention content part.
Need to prove the problem that is converted to prosperous ORG form about gps measurement data here:
Develop the corresponding software (being batch data Processing Interface software) that the mass data that satisfies suitable general software output is converted to demand data form (* .TL and * .CSV) fast.
(1) selection of development language:
Because this software does not need too many interface, only need the input raw filename, produce specified file and get final product, therefore not selecting visible language, is development language and select the C language, and the internal memory that the C language system accounts for is little, transplantability is good, carry out the efficient height, and computing function is comparatively powerful.
(2) selection of suitable general software output data form:
The data file of selecting text formatting is as source data file, the content that this document comprised is the abundantest, has promptly comprised the terrestrial coordinate (terrestrial coordinate X, terrestrial coordinate Y, terrestrial coordinate Z) that circuit coordinate (atural object coding, tired distance, offset distance, elevation) has also comprised circuit atural object.
(3) selection of the prosperous software input in road data layout:
* the file of .TL and * .CSV data layout.* .TL is the data layout that survey crew is familiar with the most, is convenient to read and editor; * .CSV is the most frequently used data layout that GPS gathers.Therefore, select to import data layout as the prosperous software in road with the file of these two kinds of data layouts.
Adopt batch data Processing Interface software data processing, only need output TXT data file from aerial survey software, carry out data batch processing interface software, import file name just can generate the data file of * .TL and two kinds of forms of * .CSV, it is simple to operate that circuit plane cross section in the feasible suitable general software converts prosperous software route plan to, do not need industry personnel in two, do not need to increase in addition computer equipment, improve the work efficiency of the data processing of industry in the aerial survey line project is measured simultaneously, reduced error rate.
Claims (1)
1. utilize totally digitilized photogrammetric technology to carry out transmission line of electricity survey and design inside and outside trade integration method, its concrete grammar step includes: (1) boat flies: aeroplane photography is carried out in the path according to primary design; (2) GPS aerial survey external control: the three-dimensional coordinate that uses GPS field survey photo control point; And navigate to transfer to other localities and paint; (3) utilize the interior operation of navigating of suitable general software: according to aviation scanning information, the GPS external control result of above-mentioned (1), (2) step gained, transfer the data of painting, at suitable general software is to carry out automatic triangulation on the full digital photogrammetric system workbench, sets up the digital ground stereoscopic model and generates digital orthoimage topomap and DTM; (4) indoor stereo model route selection and practicable on the spot: utilize digital orthoimage topomap, DTM and stereoscopic model to carry out indoor route selection and optimization path; Field operation uses the RTK mode of operation of GPS that the path setting-out of indoor optimization is arrived on the spot, and adjusts on the spot with GPS, and final corner coordinate is noted with GPS; It is characterized in that it also includes following five steps:
(5) gather the plane cross section data:
Utilize suitable general virtuozo EPMapper software, carry out the stereoscopic model mapping, simultaneously generation pass plane cross section data file according to final route;
(6) field operation is measured and is transferred and paint:
Use the RTK mode of operation of GPS, measure the straight line stake, elevation is checked point, and the repetition measurement corner pile, measure grave, well, the line of electric force class data that to differentiate from the stereoscopic model simultaneously; Use the GPS software kit that data communication is gone into computing machine, and generate data file;
(7) use batch data Processing Interface software to carry out data-switching:
Using batch data Processing Interface software at first to read in field operation measures and transfers the gps data of painting and fit the plane cross section data that general software plane cross section extraction module extracts from stereoscopic model, proofread and correct aerial survey plane cross section data according to gps data then, make the elevation unanimity; The plane cross section data file of prosperous software format is satisfied in output at last, and suffix is TL;
(8) in the prosperous software platform in road, measure design:
The plane cross section data interchange file of batch data Processing Interface software output is called in prosperous software platform, provide the designer in identical platform walkthrough tower position through editor, utilize the position stake of the open-air setting-out tower of GPS, and, further carry out design effort for the designer with the prosperous software platform of final tower bit data input channel that GPS gathers;
(9) set up circuit GIS:
With 1: 5 ten thousand scanning topomap, 1: 1 ten thousand orthophotoquad, tower position coordinate results digital material incoming line GIS platform; Be convenient to carry out figure and belong to inquiry and genus figure inquiry, output thematic map.
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| CN101763658B (en) * | 2009-12-14 | 2012-07-25 | 煤航(香港)有限公司 | Manufacturing method for full-factor real-tridimensional large scale numerical map |
| CN101742435B (en) * | 2009-12-17 | 2012-07-25 | 西北师范大学 | Digital mapping method |
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| CN102645663A (en) * | 2012-04-25 | 2012-08-22 | 云南电力试验研究院（集团）有限公司电力研究院 | Rapid transmission line tower coordinate positioning method based on coordinate transformation |
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Address after: 050031 No. 6 Jianhua Street, Shijiazhuang City, Hebei Province Patentee after: China Electric Power Construction Group Hebei electric survey and Design Research Institute Co., Ltd. Address before: 050031 No. 6 Jianhua Street, Shijiazhuang City, Hebei Province Patentee before: Hebei Province Power Surveying Design & Research Institute |
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