CN110188156A - A kind of work transmission line three dimensional design achievement key message extracting method and system - Google Patents
A kind of work transmission line three dimensional design achievement key message extracting method and system Download PDFInfo
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Abstract
The present invention relates to a kind of work transmission line three dimensional design achievement key message extracting method and systems, the following steps are included: 1) classify to history transmission line of electricity three dimensional design achievement, history transmission line of electricity three dimensional design achievement is divided into geographic information data, project data, digital model, document information；2) from obtained geographic information data, project data, digital model, data characteristics and key message analysis are carried out in document information, obtain the data characteristics and key message of history transmission line of electricity three dimensional design achievement；3) according to the data characteristics and key message of the history transmission line of electricity three dimensional design achievement of extraction, feature and the key message library of typical transmission line of electricity three dimensional design achievement are constructed；4) feature of the typical transmission line of electricity three dimensional design achievement based on building and key message library treat evaluation transmission line of electricity three dimensional design achievement and carry out key message extraction.The present invention can be widely applied to work transmission line three dimensional design achievement information and extract field.
Description
Technical field
The present invention relates to converting electricity field, in particular to a kind of work transmission line three dimensional design achievement key message
Extracting method and system.
Background technique
Three dimensional design is the basis of new-generation digital, virtualization, intelligentized design platform, is widely used in builds at present
It builds, traffic, the multiple fields such as industry, with the development of information technology and smart grid, electricity power engineering design field is also gradually
Using this technology.Under new three dimensional design situation, the work of electricity power engineering design review will also change therewith, however, existing
Technological means is difficult to meet the needs of three dimensional design evaluation.
Project of transmitting and converting electricity preliminary design review is used and is set by the engineering that evaluation unit submits designing unit under traditional approach
Meter specification, Two-dimensional Engineering design drawing, project cost and other data are evaluated.Under new three dimensional design situation, power grid work
The work of journey design review will also change therewith, no matter in terms of evaluation content, Review Workflow or evaluation quality, evaluation efficiency
It requires to be reformed and be innovated, an urgent demand for meeting three dimensional design evaluation of results is realized by advanced technological means.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of work transmission line three dimensional design achievement key messages to mention
Method and system is taken, the feature and key message of three dimensional design achievement are identified by analyzing three-dimensional result of design, and by corresponding
Algorithm key message is automatically extracted, is identified, so that evaluation expert combines related regulation, specification and experience, and benefit
Carry out the evaluation of work transmission line three dimensional design with the key message of extraction, greatly improves work efficiency.
To achieve the above object, the present invention takes following technical scheme: a kind of work transmission line three dimensional design achievement pass
Key information extracting method comprising following steps: 1) geographic information data, the work of history transmission line of electricity three dimensional design achievement are obtained
Number of passes evidence, digital model, document information；2) geographic information data of acquisition, project data, digital model, document are provided
Data characteristics and key message analysis are carried out in material, obtain the data characteristics and key letter of history transmission line of electricity three dimensional design achievement
Breath；3) according to the data characteristics and key message of the history transmission line of electricity three dimensional design achievement of extraction, typical power transmission line is constructed
The feature of road three dimensional design achievement and key message library；4) feature of the typical transmission line of electricity three dimensional design achievement based on building
And key message library, it treats evaluation transmission line of electricity three dimensional design achievement and carries out key message extraction.
Further, in the step 1), the geographic information data, project data, digital model, document information root
It divides to obtain according to data type different in history transmission line of electricity three dimensional design achievement, and the geographic information data refers to transmission of electricity
The geo-spatial data with coordinate projection information, power grid thematic data, power grid spatial data in line project corridor range,
Passway for transmitting electricity data and engineering survey data；The project data refers to that work transmission line designs relevant engineering essential information
With engineering technology index；The digital model refers to work transmission line Three Dimensional Design Model, including geological information and attribute
Information；The document information refers to all kinds of design drawings and document report generated during work transmission line three dimensional design.
Further, in the step 2), the key message of extraction includes the geographic information data, project data, number
The key message of word model and document information, wherein the key message of the geographic information data includes projection information, plane
Coordinate, ground elevation and data format；The key message of the project data includes engineering technology index；The digital model
Key message include logical hierarchy, model name, coding, spatial position and equipment important logo；The pass of the document information
Key information is: design phase, bibliographic structure, document title and document format.
Further, in the step 3), the construction method in feature and key message library, comprising the following steps: 3.1) right
The data characteristics and key message of the existing transmission line of electricity three dimensional design achievement obtained are refined；3.2) it is obtained from step 3.1)
Data characteristics and key message in randomly select several groups as master sample, others are used as training sample；It 3.3) will mark
Data characteristics and key message in quasi- sample form feature and key message library as feature templates；3.4) special using data
Sign matching process in training sample data characteristics and key message match with feature and key message library, to judge to instruct
The data characteristics and key message practiced in sample whether there is in feature and key message library, and if it exists, then give up, it otherwise, will
It increases to original feature and key message library, until the judgement of all training samples finishes.
Further, in the step 4), the feature of the typical transmission line of electricity three dimensional design achievement based on building and pass
The method that evaluation transmission line of electricity three dimensional design achievement carries out key message extraction is treated, comprising the following steps: use in key information library
Method identical with step 2) carries out data characteristics from transmission line of electricity three dimensional design achievement to be evaluated and key message extracts；It adopts
The typical transmission line of electricity three that will be constructed in the data characteristics of extraction and key message and step 3) with data characteristics matching algorithm
The feature and key message library for tieing up result of design are matched, and judge whether key message extraction succeeds, the crucial letter if success
Breath, which extracts, to be terminated, and key message extraction is otherwise continued.
A kind of work transmission line three dimensional design achievement key message extraction system comprising: data type division module,
For the difference according to data type, classifies to history transmission line of electricity three dimensional design achievement, obtain history transmission line of electricity three
Tie up geographic information data, project data, digital model, the document information of result of design；First key message extraction module is used
In from obtained geographic information data, project data, digital model, data characteristics and key message point are carried out in document information
Analysis, obtains the data characteristics and key message of history transmission line of electricity three dimensional design achievement；Feature and key message library construct module,
For the data characteristics and key message according to the history transmission line of electricity three dimensional design achievement of extraction, typical transmission line of electricity is constructed
The feature of three dimensional design achievement and key message library；Second key message extraction module, for the typical transmission of electricity based on building
The feature of route three dimensional design achievement and key message library are treated evaluation transmission line of electricity three dimensional design achievement progress key message and are mentioned
It takes.
Further, the geographic information data, which refers in work transmission line corridor range, has coordinate projection information
Geo-spatial data, power grid thematic data, power grid spatial data, passway for transmitting electricity data and engineering survey data；The engineering
Data refer to that work transmission line designs relevant engineering essential information and engineering technology index；The digital model refers to defeated
Electric line engineering Three Dimensional Design Model, including geological information and attribute information；The document information refers to work transmission line three
All kinds of design drawings and document report generated in dimension design process.
Further, the first key message extraction module includes geographic information data, project data, digital model
With document information information extraction submodule；The geographic information data extracting sub-module from the geographic information data for mentioning
Take projection information, plane coordinates, ground elevation and data format as the key message of the geographic information data；The engineering
Data extracting sub-module from the project data for extracting key message of the engineering technology index as the project data；
The digital model extracting sub-module is used for extraction logic level, model name, coding, space from the digital model
The key message of position and equipment important logo as the digital model；The document information extracting sub-module is used for from institute
State the key letter that design phase, bibliographic structure, document title and document format are extracted in document information as the document information
Breath.
Further, the feature and key message library building module include: feature and key message refinement module, are used for
The data characteristics and key message of the existing transmission line of electricity three dimensional design achievement of acquisition are refined；Sample division module is used
In randomly selecting several groups from obtained data characteristics and key message as master sample, others are used as training sample；
Module is established in feature and key message library, for using in master sample data characteristics and key message as feature templates, shape
At feature and key message library；Feature and key message library optimization module, for using data characteristics matching process to training sample
Data characteristics and key message in this are matched with feature and key message library, with the data characteristics in training of judgement sample
It whether there is with key message in feature and key message library, and if it exists, then give up, otherwise, increased to original feature
And key message library, until all training samples judgement finish, obtain typical transmission line of electricity three dimensional design achievement feature and
Key message library.
Further, the second key message extraction module includes: information extraction modules, for from power transmission line to be evaluated
Data characteristics is carried out in the three dimensional design achievement of road and key message extracts；Key information match module, for using data characteristics
Matching algorithm by the feature of the data characteristics of extraction and key message and the typical transmission line of electricity three dimensional design achievement of building and
Key message library is matched, and judges whether key message extraction succeeds, and key message extraction terminates if success, is otherwise continued
Carry out key message extraction.
The invention adopts the above technical scheme, which has the following advantages: the present invention establishes typical feature and pass
Key information library is automatically extracted based on the key message that this feature and key message library treat evaluation three dimensional design achievement, is known
Not, in order to which evaluation expert combines related regulation, specification and experience, and carry out transmission line of electricity work using the key message extracted
Journey three dimensional design evaluation, greatly improves work efficiency.Therefore, the present invention can be widely applied to project of transmitting and converting electricity neck
Domain.
Detailed description of the invention
Fig. 1 is work transmission line three dimensional design achievement key message extracting method flow diagram of the present invention；
Fig. 2 is transmission line of electricity three dimensional design performance data classification chart of the present invention；
Fig. 3 is the geographic information data key message that the present invention extracts；
Fig. 4 is the project data key message that the present invention extracts；
Fig. 5 is the digital model key message that the present invention extracts；
Fig. 6 is the document information key message that the present invention extracts；
Fig. 7 is feature of present invention and key message library building flow chart.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, work transmission line three dimensional design achievement key message extracting method proposed by the present invention, first will
Work transmission line three dimensional design achievement is classified according to different data types, is then analyzed for different types of data
Its data characteristics and key message, while feature and key message library are established according to the analysis of a large amount of data, utilize information extraction
Algorithm carries out key message extraction to transmission line of electricity three dimensional design achievement, and will be in extracted information and feature and crucial library
Information compares and analyzes, and finally obtains required information.Specifically, the following steps are included:
1) according to the difference of data type, classify to existing transmission line of electricity three dimensional design achievement, obtain having transmission of electricity
Geographic information data, project data, digital model, the document information of route three dimensional design achievement.
As shown in Fig. 2, in the present invention, being ground according to the different demarcation of data type for transmission line of electricity three dimensional design achievement
Manage information data, project data, digital model, document information.Wherein, geographic information data refers to work transmission line corridor
The geo-spatial data with coordinate projection information in range, power grid thematic data, power grid spatial data, passway for transmitting electricity data
With engineering survey data.Project data refers to that work transmission line designs relevant engineering essential information and engineering technology index.
Digital model refers to work transmission line Three Dimensional Design Model, including geological information and attribute information.Document information refers to defeated
All kinds of design drawings, document report for being generated during electric line engineering three dimensional design etc..
2) from obtained geographic information data, project data, digital model, data characteristics and pass are carried out in document information
Key information analysis obtains the data characteristics and key message of existing transmission line of electricity three dimensional design achievement.
As shown in figure 3, for the key message of the geographic information data extracted.Three dimensional design correlation standard is in power transmission and transformation
The coordinate system of geographic information data is using CGCS2000 (2000 national earth coordinates), elevation base in engineering three dimensional design
Standard is using 1985 state height benchmark.Geographic information data is the data with spatial character, the present invention by projection information,
The key message of plane coordinates, ground elevation and data format as geographic information data.Wherein, geo-spatial data includes just
Projection picture and digital elevation model, these two types of data are stored in a manner of grid, data format tif.Power grid special topic number
According to, power grid spatial data, passway for transmitting electricity data, engineering survey data etc. belong to the design of work transmission line three dimensional design and want
Element, these four types of data are stored in a manner of vector, data format shp.
As shown in figure 4, for the key message of the project data extracted.Project data point in transmission line of electricity three dimensional design achievement
For engineering essential information and engineering technology index, wherein engineering essential information is primarily referred to as engineering name, job number etc., engineering
Technical indicator is primarily referred to as the index of the influences such as erection mode, feeder number, conducting wire division number design.Therefore, the present invention is by engineering
Key message of the technical indicator as project data.
As shown in figure 5, for the key message of the digital model extracted." project of transmitting and converting electricity three dimensional design directive/guide " is clearly advised
Determining three dimensional design outputting result is GIM format.GIM model includes the file types such as cbm, dev, phm, mod, fam, sch, storage
The geological information and attribute information of model.Transmission line of electricity Three Dimensional Design Model is divided into 5 grades according to logical relation, and every level-one has pair
The geometry logic unit and template(-let) answered, by analyzing hierarchical relationship and logical construction, available digital model
Key message includes: logical hierarchy, model name, coding, spatial position, equipment important logo etc..
As shown in fig. 6, for the key message of the document information extracted.In " project of transmitting and converting electricity digitizes Hand-over techniques directive/guide "
There are strict requirements to the format of the structure of document information catalogue of each design phase, the name of file, file, according to this
It is required that the key message of available document information is: design phase, bibliographic structure, document title, document format (pdf).
3) according to the data characteristics and key message of the existing transmission line of electricity three dimensional design achievement of extraction, building is typical defeated
The feature of electric line three dimensional design achievement and key message library.
Feature and the purpose of key message library building, be on the one hand using data combing, analysis method by transmission line of electricity
Three dimensional design achievement is refined, and relevant feature and key message is obtained, as feature templates；It on the other hand is by multiple
Work transmission line is analyzed to obtain work transmission line three dimensional design achievement big data, while to the feature and key message of acquisition
Be further processed, to existing feature templates carry out constantly update and it is perfect, form typical transmission line of electricity three dimensional design achievement
Feature and key message library.The update of feature templates and the perfect data item depending in feature and key message library, pass through
The matching process of data characteristics judges whether the feature that three dimensional design achievement obtains and key message exist in original library, such as
Fruit exists, then will not be stored in library, if it does not exist, then can be stored in library.For similar feature and pass
Key information can be judged by artificial mode.The feature templates that feature and key message are established by above-mentioned two step are
Subsequent transmission line of electricity three dimensional design achievement key message, which extracts, provides the basis of comparison.
As shown in fig. 7, the construction method in feature and key message library, comprising the following steps:
3.1) data characteristics and key message of the existing transmission line of electricity three dimensional design achievement of acquisition are refined；
3.2) several groups are randomly selected from the data characteristics and key message that step 3.1) obtains as master sample,
His is used as training sample；
3.3) using in master sample data characteristics and key message as feature templates, form feature and key message
Library；
3.4) using data characteristics matching process to the data characteristics and key message and feature and key in training sample
Information bank is matched, in training of judgement sample data characteristics and key message whether there is in feature and key message
Library, and if it exists, then give up, otherwise, original feature and key message library are increased to, until all training samples have judged
Finish.
Wherein, data characteristics matches, the content comprising three dimensions: content, feature, similarity.Data content is data
The basis of characteristic matching is the information that entire data are included described in content.Data characteristics are the matched passes of data characteristics
Key, the self-characteristic of entire data described in feature.Data similarity is the matched core of data characteristics, described by similarity
Be similarity degree between different data, it is as identical that similarity reaches 100%.
The matched effect of data characteristics depends primarily on the selection of feature and the selection of model, can be in terms of following two
Obtain the Feature Selection of better effects: (1) based on the Feature Selection of data content, this selection mode is mainly by content
Importance, multiplicity etc. carry out, be also predefined after judge importance repeat in different data it is secondary
Number, is determined as multiplicity height if in the data item that identical content is repetitively appearing in each data item or 75%
, 75% probability is by being analyzed multiple project data；(2) based on the Feature Selection of data correlation, this
Kind of mode, which is based primarily upon relationship between the data and other data and the data, can provide the case where other data use.
Data item 1 itself is also effective in use, but also can be simultaneously data item 2, data when carrying out calculating analysis
Item 3 or even data item N provide support, and can obtain more crucial information, and this information is often than the letter of data item 1 itself
It ceases even more important.Existing feature calculation is gone out into a level of abstraction with high feature set by above two method.
4) using method identical with step 2) carried out from transmission line of electricity three dimensional design achievement to be evaluated data characteristics and
Key message extracts, and uses data characteristics matching algorithm by building in the data characteristics of extraction and key message and step 3)
The feature of typical transmission line of electricity three dimensional design achievement and key message library are matched, judge key message extract whether at
Function, key message extraction terminates if success, otherwise continues key message extraction.
Based on above-mentioned work transmission line three dimensional design achievement key message extracting method, the present invention also provides one kind to be applicable in
In the work transmission line three dimensional design achievement key message extraction system of this method comprising: data type division module is used
In the difference according to data type, classify to history transmission line of electricity three dimensional design achievement, it is three-dimensional to obtain history transmission line of electricity
Geographic information data, project data, digital model, the document information of result of design；First key message extraction module, is used for
From obtained geographic information data, project data, digital model, data characteristics and key message point are carried out in document information
Analysis, obtains the data characteristics and key message of history transmission line of electricity three dimensional design achievement；Feature and key message library construct module,
For the data characteristics and key message according to the history transmission line of electricity three dimensional design achievement of extraction, typical transmission line of electricity is constructed
The feature of three dimensional design achievement and key message library；Second key message extraction module, for the typical transmission of electricity based on building
The feature of route three dimensional design achievement and key message library are treated evaluation transmission line of electricity three dimensional design achievement progress key message and are mentioned
It takes.
Further, geographic information data refers to the base with coordinate projection information in work transmission line corridor range
Plinth geodata, power grid thematic data, power grid spatial data, passway for transmitting electricity data and engineering survey data；Project data refers to
Work transmission line designs relevant engineering essential information and engineering technology index；Digital model refers to work transmission line three
Dimension designs a model, including geological information and attribute information；Document information generates during referring to work transmission line three dimensional design
All kinds of design drawings and document report.
Further, the first key message extraction module includes geographic information data, project data, digital model and text
Shelves data information extracting sub-module；Geographic information data extracting sub-module be used for from geographic information data extract projection information,
The key message of plane coordinates, ground elevation and data format as geographic information data；Project data extracting sub-module is used for
Key message of the engineering technology index as project data is extracted from project data；Digital model extracting sub-module be used for from
Extraction logic level, model name, coding, spatial position and equipment important logo are as digital model in digital model
Key message；Document information extracting sub-module is used to extract design phase, bibliographic structure, document title and text from document information
Key message of the shelves format as document information.
Further, feature and key message library building module include: feature and key message refinement module, for obtaining
The data characteristics and key message of the existing transmission line of electricity three dimensional design achievement taken are refined；Sample division module, for from
Several groups are randomly selected in obtained data characteristics and key message as master sample, others are used as training sample；Feature
And module is established in key message library, for using in master sample data characteristics and key message as feature templates, formed special
Sign and key message library；Feature and key message library optimization module, for using data characteristics matching process in training sample
Data characteristics and key message matched with feature and key message library, in training of judgement sample data characteristics and pass
Key information whether there is in feature and key message library, and if it exists, then gives up, otherwise, is increased to original feature and pass
Key information library, until all training samples judgement finish, obtain the feature and key of typical transmission line of electricity three dimensional design achievement
Information bank.
Further, the second key message extraction module includes: information extraction modules, for from transmission line of electricity three to be evaluated
It ties up and carries out data characteristics and key message extraction in result of design；Key information match module, for being matched using data characteristics
Algorithm is by the feature and key of the data characteristics of extraction and key message and the typical transmission line of electricity three dimensional design achievement of building
Information bank is matched, and judges whether key message extraction succeeds, and key message extraction terminates if success, is otherwise continued
Key message extracts.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.The various embodiments described above are merely to illustrate the present invention, wherein each component
Structure, connection type and manufacture craft etc. may be changed, all to carry out based on the technical solution of the present invention
Equivalents and improvement, should not exclude except protection scope of the present invention.
Claims (10)
1. a kind of work transmission line three dimensional design achievement key message extracting method, it is characterised in that the following steps are included:
1) geographic information data, project data, digital model, document money of history transmission line of electricity three dimensional design achievement are obtained
Material；
2) data characteristics and key message are carried out to the geographic information data of acquisition, project data, digital model, document information
Analysis, obtains the data characteristics and key message of history transmission line of electricity three dimensional design achievement；
3) according to the data characteristics and key message of the history transmission line of electricity three dimensional design achievement of extraction, typical power transmission line is constructed
The feature of road three dimensional design achievement and key message library；
4) feature of the typical transmission line of electricity three dimensional design achievement based on building and key message library, treat evaluation transmission line of electricity
Three dimensional design achievement carries out key message extraction.
2. a kind of work transmission line three dimensional design achievement key message extracting method as described in claim 1, feature exist
In: in the step 1), the geographic information data, project data, digital model, document information are according to history transmission line of electricity
Different data types divides to obtain in three dimensional design achievement, and the geographic information data refers to work transmission line corridor model
The geo-spatial data with coordinate projection information, power grid thematic data, power grid spatial data, passway for transmitting electricity data in enclosing and
Engineering survey data；The project data refers to that work transmission line designs relevant engineering essential information and engineering technology refers to
Mark；The digital model refers to work transmission line Three Dimensional Design Model, including geological information and attribute information；The document
Data refers to all kinds of design drawings and document report generated during work transmission line three dimensional design.
3. a kind of work transmission line three dimensional design achievement key message extracting method as claimed in claim 2, feature exist
In: in the step 2), the key message of extraction includes the geographic information data, project data, digital model and document
The key message of data, wherein the key message of the geographic information data includes projection information, plane coordinates, ground elevation
And data format；The key message of the project data includes engineering technology index；The key message packet of the digital model
Include logical hierarchy, model name, coding, spatial position and equipment important logo；The key message of the document information is: design
Stage, bibliographic structure, document title and document format.
4. a kind of work transmission line three dimensional design achievement key message extracting method as described in claim 1, feature exist
In: in the step 3), the construction method in feature and key message library, comprising the following steps:
3.1) data characteristics and key message of the existing transmission line of electricity three dimensional design achievement of acquisition are refined；
3.2) several groups are randomly selected from the data characteristics and key message that step 3.1) obtains as master sample, others
As training sample；
3.3) using in master sample data characteristics and key message as feature templates, form feature and key message library；
3.4) using data characteristics matching process to the data characteristics and key message and feature and key message in training sample
Library is matched, in training of judgement sample data characteristics and key message whether there is in feature and key message library, if
In the presence of, then give up, otherwise, increased to original feature and key message library, until all training samples judgement finish.
5. a kind of work transmission line three dimensional design achievement key message extracting method as described in claim 1, feature exist
In: in the step 4), the feature of the typical transmission line of electricity three dimensional design achievement based on building and key message library, to be evaluated
Examine the method that transmission line of electricity three dimensional design achievement carries out key message extraction, comprising the following steps:
Data characteristics and crucial letter are carried out from transmission line of electricity three dimensional design achievement to be evaluated using method identical with step 2)
Breath extracts；
The typical transmission of electricity that will be constructed in the data characteristics of extraction and key message and step 3) using data characteristics matching algorithm
The feature of route three dimensional design achievement and key message library are matched, and judge whether key message extraction succeeds, if success
Key message extraction terminates, and otherwise continues key message extraction.
6. a kind of work transmission line three dimensional design achievement key message extraction system, it is characterised in that comprising:
Data type division module divides history transmission line of electricity three dimensional design achievement for the difference according to data type
Class obtains geographic information data, project data, digital model, the document information of history transmission line of electricity three dimensional design achievement；
First key message extraction module, for being provided from obtained geographic information data, project data, digital model, document
Data characteristics and key message analysis are carried out in material, obtain the data characteristics and key letter of history transmission line of electricity three dimensional design achievement
Breath；
Feature and key message library construct module, for the data characteristics according to the history transmission line of electricity three dimensional design achievement of extraction
And key message, construct feature and the key message library of typical transmission line of electricity three dimensional design achievement；
Second key message extraction module, feature and key for the typical transmission line of electricity three dimensional design achievement based on building
Information bank treats evaluation transmission line of electricity three dimensional design achievement and carries out key message extraction.
7. a kind of work transmission line three dimensional design achievement key message extraction system as claimed in claim 6, feature exist
In: the geographic information data refers to the fundamental geological number with coordinate projection information in work transmission line corridor range
According to, power grid thematic data, power grid spatial data, passway for transmitting electricity data and engineering survey data；The project data refers to transmission of electricity
The relevant engineering essential information of Pre-Engineering Design of Long Distance and engineering technology index；The digital model refers to work transmission line three
Dimension designs a model, including geological information and attribute information；The document information refers to during work transmission line three dimensional design
All kinds of design drawings and document report generated.
8. a kind of work transmission line three dimensional design achievement key message extraction system as claimed in claim 6, feature exist
In: the first key message extraction module includes geographic information data, project data, digital model and document information information
Extracting sub-module；
The geographic information data extracting sub-module be used for from the geographic information data extract projection information, plane coordinates,
The key message of ground elevation and data format as the geographic information data；
The project data extracting sub-module is used to extract engineering technology index from the project data as the engineering number
According to key message；
The digital model extracting sub-module be used for from the digital model extraction logic level, model name, coding,
The key message of spatial position and equipment important logo as the digital model；
The document information extracting sub-module is used to extract design phase, bibliographic structure, document title from the document information
Key message with document format as the document information.
9. a kind of work transmission line three dimensional design achievement key message extraction system as claimed in claim 6, feature exist
In: the feature and key message library building module include:
Feature and key message refinement module, data characteristics and pass for the existing transmission line of electricity three dimensional design achievement to acquisition
Key information is refined；
Sample division module, for randomly selecting several groups from obtained data characteristics and key message as master sample,
Others are used as training sample；
Module is established in feature and key message library, for using in master sample data characteristics and key message as character modules
Plate forms feature and key message library；
Feature and key message library optimization module, for using data characteristics matching process in training sample data characteristics and
Key message is matched with feature and key message library, in training of judgement sample data characteristics and key message whether deposit
It is feature and key message library, and if it exists, then give up, otherwise, is increased to original feature and key message library, until
All training sample judgements finish, and obtain feature and the key message library of typical transmission line of electricity three dimensional design achievement.
10. a kind of work transmission line three dimensional design achievement key message extraction system as claimed in claim 6, feature exist
In: the second key message extraction module includes:
Information extraction modules are mentioned for carrying out data characteristics and key message from transmission line of electricity three dimensional design achievement to be evaluated
It takes；
Key information match module, for using data characteristics matching algorithm by the data characteristics of extraction and key message and building
Typical transmission line of electricity three dimensional design achievement feature and key message library matched, judge key message extract whether at
Function, key message extraction terminates if success, otherwise continues key message extraction.
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