CN110232739A - A kind of method that CAD topographic map data is converted to power circuit section - Google Patents
A kind of method that CAD topographic map data is converted to power circuit section Download PDFInfo
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- CN110232739A CN110232739A CN201910541515.5A CN201910541515A CN110232739A CN 110232739 A CN110232739 A CN 110232739A CN 201910541515 A CN201910541515 A CN 201910541515A CN 110232739 A CN110232739 A CN 110232739A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000010586 diagram Methods 0.000 claims abstract description 11
- 239000000284 extract Substances 0.000 claims abstract description 6
- 238000013480 data collection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
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Abstract
The invention belongs to power circuit section acquiring technology fields, disclose a kind of method that CAD topographic map data is converted to power circuit section, the method that the CAD topographic map data is converted to power circuit section chooses power circuit path, corner coordinate needed for extracting, and corner coordinate is loaded onto CAD diagram shape, utilize the isopleth and altitude note in CAD graphical data, take approximating method, the coordinate data of isopleth and altitude note is assigned to power circuit path according to preset distance, extract the three-dimensional coordinate data in power circuit path, and coordinate data is handled, generate professional power circuit section.
Description
Technical field
The invention belongs to power circuit section acquiring technology fields more particularly to a kind of CAD topographic map data to be converted to electricity
The method of power line section.
Background technique
Currently, the immediate prior art: utilizing GNSS receiver field acquisition profile data, utilize power specialty software
Interior industry handles data, to generate power circuit section.Field data collection work is time-consuming, at high cost, labour
Intensity is bigger, and when bad weather can't work, and influences working efficiency.
In conclusion problem of the existing technology is: acquiring field data using GNSS receiver, need a large amount of labor
Power, field work is costly, and working efficiency is low.
Solve the difficulty of above-mentioned technical problem:
In the case where how avoiding field work, power circuit section is quickly produced.
Solve the meaning of above-mentioned technical problem:
Working efficiency is improved, production cost is saved.
Summary of the invention
In view of the problems of the existing technology, power circuit is converted to the present invention provides a kind of CAD topographic map data to break
The method in face.
The invention is realized in this way a kind of method that CAD topographic map data is converted to power circuit section, the CAD
The method that topographic map data is converted to power circuit section chooses power circuit path, corner coordinate needed for extracting, and by corner
Coordinate is loaded onto CAD diagram shape, using the isopleth and altitude note in CAD graphical data, takes inverse distance-weighting fitting side
Method is weighted and averaged using the distance between interpolation point and the upper sample point of figure as weight, the sample point closer apart from interpolation point is assigned
The weight given is bigger, to calculate the elevation coordinate of required interpolation point.The elevation formula of inverse distance weight calculating interpolation point
It is as follows:
N is the quantity for calculating elevational point used in engineering, λiFor calculate engineering in use elevational point weight, with to
Ask the distance of elevational point in inverse ratio, Z (Si) it is SiThe height value at place.
Determine weight λiFormula are as follows:
diGIt is elevational point to be asked at a distance from known surrounding elevational point.The size of elevational point shared weight in calculating process
It is influenced by numerical parameter p, with the increase of distance, treats and the weight of the influence of elevational point is asked exponentially to reduce.In height
In journey point calculating process, these weighted value summations are 1.
Calculated interpolation point elevation coordinate is assigned to power circuit path according to preset distance, extracts power circuit
The three-dimensional coordinate data in path, and coordinate data is edited according to electric power software data format, generate professional power circuit
Section.
Further, the method that the CAD topographic map data is converted to power circuit section specifically includes:
The first step extracts corner coordinate in power circuit path, opens CAD graphical data and adds circuit corner coordinate
It is loaded onto CAD diagram shape, the distance between the coordinate data that default line route needs to extract；
Second step, using certain approximating method by CAD diagram shape isopleth and altitude note data handle, and it is right
Power circuit carries out data assignment, handles the data after assignment, generates professional electrical path section.
Another object of the present invention is to provide CAD topographic map data described in a kind of implementation and is converted to power circuit section
The CAD topographic map data of method is converted to power circuit control of section system.
In conclusion advantages of the present invention and good effect are as follows:
It is an advantage of the invention that the work using GNSS receiver in field data collection is avoided, it can be straight using this method
Data needed for connecing extraction, and electric power section is generated, greatly reduce field labor intensity compared with prior art, improves work effect
Rate saves production cost.
Detailed description of the invention
Fig. 1 is the method flow diagram that CAD topographic map data provided in an embodiment of the present invention is converted to power circuit section.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
For conventional method according to power circuit path field data acquisition data, interior industry is at figure, time-consuming problem.This hair
It is bright to save field process amount, accomplish that at figure, working efficiency is greatly improved in interior one key of industry.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, the method that CAD topographic map data provided in an embodiment of the present invention is converted to power circuit section includes
Following steps:
S101: extracting corner coordinate in power circuit path, opens CAD graphical data and loads circuit corner coordinate
Into CAD diagram shape, the distance between the coordinate data that line route needs to extract is preset.
S102: using certain approximating method by CAD diagram shape isopleth and altitude note data handle, and to electricity
Line of force road carries out data assignment, handles the data after assignment, generates professional electrical path section.
Also power line is converted to using CAD topographic map data provided in an embodiment of the present invention to the left and right sideline of line route
The method of road section carries out data processing and section generates.
The method that CAD topographic map data provided in an embodiment of the present invention is converted to power circuit section chooses power circuit road
Diameter, corner coordinate needed for extracting, and corner coordinate is loaded onto CAD diagram shape, utilize the isopleth and height in CAD graphical data
Journey annotation is taken inverse distance-weighting approximating method, i.e., is weighted using the distance between interpolation point and the upper sample point of figure as weight flat
, the weight that the sample point closer apart from interpolation point assigns is bigger, to calculate the elevation coordinate of required interpolation point.According to pre-
If distance calculated interpolation point elevation coordinate is assigned to power circuit path, extract the three-dimensional coordinate in power circuit path
Data, and coordinate data is edited according to electric power software data format, generate professional power circuit section.
In embodiments of the present invention, the elevation formula of inverse distance weight calculating interpolation point is as follows:
N is the quantity for calculating elevational point used in engineering, λiFor calculate engineering in use elevational point weight, with to
Ask the distance of elevational point in inverse ratio, Z (Si) it is SiThe height value at place.
Determine weight λiFormula are as follows:
diGIt is elevational point to be asked at a distance from known surrounding elevational point.The size of elevational point shared weight in calculating process
It is influenced by numerical parameter p, with the increase of distance, treats and the weight of the influence of elevational point is asked exponentially to reduce.In height
In journey point calculating process, these weighted value summations are 1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of method that CAD topographic map data is converted to power circuit section, which is characterized in that the CAD topographic map data
The method for being converted to power circuit section chooses power circuit path, corner coordinate needed for extracting, and corner coordinate is loaded onto
In CAD diagram shape, the isopleth and altitude note in CAD graphical data are utilized；
Inverse distance-weighting approximating method is taken, is weighted and averaged using the distance between interpolation point and the upper sample point of figure as weight, away from
The weight that the sample point closer from interpolation point assigns is bigger, calculates the elevation coordinate of required interpolation point；
Calculated interpolation point elevation coordinate is assigned to power circuit path according to preset distance, extracts power circuit path
Three-dimensional coordinate data, and coordinate data is edited according to electric power software data format, generates professional power circuit section.
2. the method that CAD topographic map data as described in claim 1 is converted to power circuit section, which is characterized in that instead away from
It is as follows from the elevation formula that weighting method calculates interpolation point:
N is the quantity for calculating elevational point used in engineering, λiTo calculate the weight for using elevational point in engineering, and wait ask high
The distance of journey point is in inverse ratio, Z (Si) it is SiThe height value at place.
3. the method that CAD topographic map data as described in claim 1 is converted to power circuit section, which is characterized in that determine
Weight λiFormula are as follows:
diGIt is elevational point to be asked at a distance from known surrounding elevational point.Elevational point size of shared weight in calculating process is counted
The influence of value parameter p is treated and the weight of the influence of elevational point is asked exponentially to reduce with the increase of distance；In elevational point
In calculating process, these weighted value summations are 1.
4. the method that CAD topographic map data as described in claim 1 is converted to power circuit section, which is characterized in that described
The method that CAD topographic map data is converted to power circuit section specifically includes:
The first step extracts corner coordinate in power circuit path, opens CAD graphical data and is loaded onto circuit corner coordinate
In CAD diagram shape, the distance between the coordinate data that line route needs to extract is preset；
Second step, using certain approximating method by CAD diagram shape isopleth and altitude note data handle, and to electric power
Route carries out data assignment, handles the data after assignment, generates professional electrical path section.
5. a kind of CAD topographic map implemented CAD topographic map data described in claim 1 and be converted to the method for power circuit section
Data are converted to power circuit control of section system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910541515.5A CN110232739A (en) | 2019-06-21 | 2019-06-21 | A kind of method that CAD topographic map data is converted to power circuit section |
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| CN201910541515.5A CN110232739A (en) | 2019-06-21 | 2019-06-21 | A kind of method that CAD topographic map data is converted to power circuit section |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111898183A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Overhead power line aided design method and device based on three-dimensional scene |
| CN112818073A (en) * | 2019-11-15 | 2021-05-18 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Method for determining meteorological icing position of power transmission line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112818073A (en) * | 2019-11-15 | 2021-05-18 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Method for determining meteorological icing position of power transmission line |
| CN112818073B (en) * | 2019-11-15 | 2022-12-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Method for determining meteorological icing position of power transmission line |
| CN111898183A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Overhead power line aided design method and device based on three-dimensional scene |
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