CN102467591A - Utility tunnel layout method based on three-dimensional virtual city - Google Patents
Utility tunnel layout method based on three-dimensional virtual city Download PDFInfo
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Abstract
The invention relates to a utility tunnel layout method based on a three-dimensional virtual city, which comprises the steps of preprocessing remote sensing image data, digital elevation model data and three-dimensional building model data and establishing a three-dimensional virtual city system; in the three-dimensional virtual city system, realizing the generation and management of an underground three-dimensional pipe network model based on pipe point data, pipe well data and two-dimensional pipeline data; according to the underground three-dimensional pipe network model, selecting the starting point and the end point of a needed pipe network and generating various pipe network layout scheme; according to relevant specifications and standards, conducting collision processing to the pipe network layout scheme, searching for pipe network surrounding facilities and analyzing pipe network layout influence factors; and conducting optimization analysis according to the pipe network layout influence factors, obtaining an optimized scheme suitable for the underground pipe network layout and administratively demonstrating a result in the three-dimensional virtual city system. By building the three-dimensional virtual city, building a dynamic model and generating and optimizing various pipe network layout schemes, the goal that the pipe network layout has a basis is realized and a support is provided for planning the underground sources and pipelines of cities.
Description
Technical field
The present invention relates to a kind of common trench distribution method, particularly relate to a kind of common trench distribution method based on three-dimensional virtual city.
Background technology
The city common trench is being undertaken tasks such as information transmission, energy conveying and water supply and drainage, is the basis of urban development, therefore is described as the lifeline in city.Yet; Along with developing rapidly of city; The flow of material in city and energy stream increase gradually, make that the City Buried Pipeline space distribution is more and more narrower, inquire into underground three-dimensional pipe network and lay optimization method; For the management of city subterranean resource, pipeline planning and urban planning and construction provide aid decision making, significant.
Therefore; How to realize the more excellent management of layout of underground space resource; Ask that with pipe network laying, the pipe network component standard of relevant planning with it and principle, pipe network attribute, pipe network mutual relationship etc. connects through spacial analytical method, carry out the underground three-dimensional pipe network in city according to the actual requirements and lay prioritization scheme, satisfy the relevant planning demand of huge day by day city subterranean resource; The generation of minimizing accident is that present common trench is laid a great problem that is faced.
Traditional underground professional pipe network adopts manual type, and the efficiency of management is low, is difficult to the dynamic management common trench, causes the generation of pipeline accident easily in narrow space.In addition, traditional common trench management all is based upon on the basis of two dimension, can not show the distribution of pipeline and the mutual alignment of pipeline section intuitively.
Summary of the invention
Based on this, be necessary to provide a kind of common trench distribution method that can intuitively show line distribution and pipeline section mutual alignment based on three-dimensional virtual city.
A kind of common trench distribution method based on three-dimensional virtual city comprises: remote sensing image data, digital elevation model data, three-dimensional building model data are carried out pre-service, make up the three-dimensional virtual city system; Realize generating and management in the three-dimensional virtual city system based on the underground three-dimensional pipe network model of pipe point data, pipe well data, two dimensional pipeline data; According to said underground three-dimensional pipe network model, the selected terminal that needs to lay pipe network generates multiple pipe network and lays scheme; According to related specifications and standard, said pipe network laying scheme is carried out buffer zone collision Treatment Analysis, facility and analyzer tube screen cloth around the search pipe network are established influence factor; Lay influence factor according to said pipe network and be optimized analysis, draw the prioritization scheme that is suitable for the common trench laying, and the result is managed displaying in the three-dimensional virtual city system.
Preferably, said remote sensing image data, digital elevation model data, three-dimensional building model data are carried out pre-service, make up the three-dimensional virtual city system and comprise: remote sensing image data and digital elevation model data are carried out Data Fusion; With the data importing after merging in the three-dimensional virtual city system; Form with model file is exported the three-dimensional building model data in batches, and carries out corresponding model conversion; The three-dimensional building model is imported in the three-dimensional virtual city system in batches.
Preferably; The said generation with management based on the underground three-dimensional pipe network model of managing point data, pipe well data, two dimensional pipeline data in the realization of three-dimensional virtual city system comprises: with reference to industry standard; Accomplish encoding scheme and database design, will manage point data, pipe well data, two dimensional pipeline data importing in database; To pipe point data, pipe well data, that the pipeline data are carried out Three-Dimensional Dynamic is visual.
Preferably, said generation pipe network laying scheme is according to existing road net, utilizes the network analysis of spatial analysis, generates several kinds of pipe network distribution methods automatically.
Preferably; Said according to related specifications and standard; Said pipe network laying scheme is collided processing, and it is that the spatial analysis of utilization buffer zone is carried out the crash analysis processing to the three-dimensional pipeline under the three dimensions that facility around the search pipe network and analyzer tube screen cloth are established influence factor.
Preferably; Facility around the said search pipe network and analyzer tube screen cloth are established influence factor and are comprised: leave influence factor according to level, vertical clearance; To between the pipe network, between pipe network and the buildings, analyze between pipe network and the facility, count and lay pipeline and the level between pipeline, buildings and the facility, vertical clearance on every side; Compare with related specifications and standard, judge whether to meet national regulation and standard, if meet, then this scheme is reasonable; If do not meet, then dynamically the pipe network position is laid in adjustment.
Preferably, facility around the said search pipe network and analyzer tube screen cloth are established influence factor and are also comprised: combine existing reservation pipeline that it is made full use of.
In the spatial analysis platform of above-mentioned structure based on three-dimensional virtual city; Through the fusion treatment of Various types of data and the dynamic modeling of underground three-dimensional pipe network; Realized when laying pipe network, having, decision support is provided for carrying out city subterranean resource planning, urban pipeline planning, urban planning and construction etc. according to complying with.
In addition; Structure is based on the common trench distribution method of three-dimensional virtual city; Make full use of geographical base map information and pipe network spatial data, constructed the three dimensions view, intuitively showed above ground structure information, pipeline section mutual alignment and common trench optimization analysis; Check the connection and the intersection situation of pipe network quickly and easily, to make full use of more and more narrower common trench pipeline space, city.
Description of drawings
Fig. 1 is based on the process flow diagram of the common trench distribution method of three-dimensional virtual city.
Embodiment
Fig. 1 shows a common trench distribution method process flow diagram based on three-dimensional virtual city.Detailed process is following:
Step S100 carries out pre-service to remote sensing image data, digital elevation model data (Digital ElevationModel is called for short " DEM "), three-dimensional building model data, makes up the three-dimensional virtual city system.
At first, should carry out pre-service to remote sensing image data, digital elevation model data, three-dimensional building model data.This processing procedure comprises carries out Data Fusion to remote sensing image data and dem data, and the data importing after will merging is in the three-dimensional virtual city system; Export the three-dimensional building model data in batches with the form of model file again, carry out corresponding model conversion through software, pre-service so far finishes.Then the three-dimensional building model is imported in the three-dimensional virtual city system in batches, and revise relevant parameters, make the three-dimensional building model corresponding one by one with remote sensing image.
Step S120 according to the data in the said three-dimensional virtual city system, realizes generating and management based on the underground three-dimensional pipe network model of pipe point (pipe joint, valve, threeway, four-way) data, pipe well data, two dimensional pipeline data.
At first, should accomplish encoding scheme and database design, will manage point data, pipe well data, two dimensional pipeline data importing in database with reference to industry standard.And in the structure of encoding scheme and database, the common trench data mainly contain pipe point and pipeline.Pipe point is meant unique point (like pipe joint, threeway, four-way etc.) or attached object point (like valve etc.).Pipeline is to press the line that certain connected mode constitutes by pipe, represents the trend of pipeline on the spot.Lay when pipe well is mainly used in construction, make things convenient for person skilled that the common trench pipeline is carried out maintenance process.
Secondly, it is visual that also point data, pipe well data are managed in reply, the pipeline data are carried out Three-Dimensional Dynamic.The expression of the visual spatial relation visual pattern that can all kinds of pipe networks be asked of Three-Dimensional Dynamic; Check the connection and the intersection situation of pipe network quickly and easily; Present to the technician of urban planning authority and unit in charge of construction to complex relationship wherein, further improve the man-machine interaction of system.
Step S140, according to said underground three-dimensional pipe network model, the selected terminal that needs to lay pipe network generates pipe network and lays scheme.
Setting needs to lay the terminal of pipe network, according to existing road net, utilizes the network analysis of spatial analysis, generates several kinds of pipe network distribution methods automatically.
The distinctive extraction to the geographical space implicit information of spatial analysis, performance and transfer function become one of employed important technical of common trench system optimization.Spatial analysis is mainly used in carries out fundamental analysis to common trench; Count some necessary information; Space pipe network data are carried out profound excavation and utilization; Discussion common trench laying optimization method is gone forward side by side, and professional etiquette is drawn and aid decision making, realizes digitizing, scientific management to the city common trench, for city management department provides effective resource management scheme.
Network analysis is that geographical network, urban infrastructure network are carried out geoanalysis and model optimization process; Through state and the simulation and analysis resource the flowing and distribution condition on network of research network, realize optimization problem to network structure and resource thereof etc.
Step S160 according to related specifications and standard, collides processing to said pipe network laying scheme, and facility and analyzer tube screen cloth around the search pipe network are established influence factor.
At first; According to related specifications and standard; Like the Code for comprehensive planning of urban engineering pipeline etc., the pipe network around being laid in is carried out crash analysis, and buildings and facility around the search pipe network; Comprise between the pipe network, between pipe network and the buildings, between pipe network and the facility, the spatial analysis of utilization buffer zone is carried out the crash analysis processing to the three-dimensional pipeline three dimensions under.
The buffer zone spatial analysis is an analytical approach of around the point, line, surface entity, setting up the regional extent of certain width according to given distance automatically.Pass through buffer zone analysis; Can set up their banded regions of certain distance on every side automatically; Discern radiation scope or the influence degree of these entities to contiguous object; This analyze mainly be with the pipe point three dimensions under perhaps pipeline be that buffer zone analysis is carried out on the basis, identify buffering range interior buildings and facility, and export with the mode of statistics.
Secondly;, from influence factor level, vertical clearance between the pipe network, between pipe network and the buildings, between pipe network and the facility are analyzed according to level, vertical clearance, counted and lay pipeline and the level between pipeline, buildings and the facility, vertical clearance on every side; And compare with related specifications and standard; Judge whether compliant and standard, if do not meet, then this scheme is unreasonable; Then dynamically the pipe network position is laid in adjustment, avoids other pipeline, buildings and facility to dig badly or dig the generation of disconnected accident.
At last, also should combine existing reservation pipeline that it is made full use of.In pipe network, have the reservation pipeline, can make full use of existing reservation pipeline, the resource of advocating thriftiness is rationally arranged the subterranean resource management.
Step S180 lays influence factor according to said pipe network and is optimized analysis, proposes to be suitable for the prioritization scheme that common trench is laid, and analysis result is managed in the three-dimensional virtual city system, showed.
Carrying out pipe network according to the factor of being considered in level, vertical clearance analysis and the laying process between the pipe network, between pipe network and the facility lays to optimize and analyzes; Proposition is suitable for the prioritization scheme that common trench is laid, and Optimization result is managed in the three-dimensional virtual city system and displaying.
City common trench level is complicated; Thereby demonstration can make the intuitive of pipe network optimization system and operability taken on a new look greatly in three dimension system; Made originally and became more clear, and made things convenient for pipe network to lay the design of prioritization scheme in the complicated pipe network stereovision of two dimension.Analysis result is applied to city subterranean resource management, pipeline planning, Construction Specifications, city
During city's planning construction is used, and optimize the integrated information that is characterized as the basis according to above-mentioned analysis result realization with the common trench laying and excavate, provide support for each administrative authority of city carries out decision analysis.
In the spatial analysis platform of above-mentioned structure based on three-dimensional virtual city; Through the fusion treatment of Various types of data and the dynamic modeling of underground three-dimensional pipe network; Realized when laying pipe network, having, decision support is provided for carrying out city subterranean resource planning, urban pipeline planning, urban planning and construction etc. according to complying with.In addition; Structure is based on the common trench distribution method of three-dimensional virtual city; Make full use of geographical base map information and pipe network spatial data, constructed the three dimensions view, can show above ground structure information, pipeline section mutual alignment and common trench optimization analysis quickly and easily; Check the connection and the intersection situation of pipe network quickly and easily, to make full use of more and more narrower common trench pipeline space, city.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (7)
1. the common trench distribution method based on three-dimensional virtual city is characterized in that, comprising:
Remote sensing image data, digital elevation model data, three-dimensional building model data are carried out pre-service, make up the three-dimensional virtual city system;
Realize generating and management in the three-dimensional virtual city system based on the underground three-dimensional pipe network model of pipe point data, pipe well data, two dimensional pipeline data;
According to said underground three-dimensional pipe network model, the selected terminal that needs to lay pipe network generates multiple pipe network and lays scheme;
According to related specifications and standard, said pipe network laying scheme is carried out buffer zone collision Treatment Analysis, facility and analyzer tube screen cloth around the search pipe network are established influence factor;
Lay influence factor according to said pipe network and be optimized analysis, draw the prioritization scheme that is suitable for the common trench laying, and the result is managed displaying in the three-dimensional virtual city system.
2. the common trench distribution method based on three-dimensional virtual city according to claim 1 is characterized in that, said remote sensing image data, digital elevation model data, three-dimensional building model data is carried out pre-service, makes up the three-dimensional virtual city system and comprises:
Remote sensing image data and digital elevation model data are carried out Data Fusion;
With the data importing after merging in the three-dimensional virtual city system;
Form with model file is exported the three-dimensional building model data in batches, and carries out corresponding model conversion;
The three-dimensional building model is imported in the three-dimensional virtual city system in batches.
3. the common trench distribution method based on three-dimensional virtual city according to claim 1; It is characterized in that said the generation with management based on the underground three-dimensional pipe network model of managing point data, pipe well data, two dimensional pipeline data in the realization of three-dimensional virtual city system comprises:
With reference to industry standard, accomplish encoding scheme and database design, will manage point data, pipe well data, two dimensional pipeline data importing in database;
To pipe point data, pipe well data, that the pipeline data are carried out Three-Dimensional Dynamic is visual.
4. the common trench distribution method based on three-dimensional virtual city according to claim 1 is characterized in that, said generation pipe network laying scheme is according to existing road net, utilizes the network analysis of spatial analysis, generates several kinds of pipe network distribution methods automatically.
5. the common trench distribution method based on three-dimensional virtual city according to claim 1; It is characterized in that; Said according to related specifications and standard; Said pipe network laying scheme is collided processing, and it is that the spatial analysis of utilization buffer zone is carried out the crash analysis processing to the three-dimensional pipeline under the three dimensions that facility around the search pipe network and analyzer tube screen cloth are established influence factor.
6. the common trench distribution method based on three-dimensional virtual city according to claim 1 is characterized in that, facility around the said search pipe network and analyzer tube screen cloth are established influence factor and comprised:
,, count and lay pipeline and the level between pipeline, buildings and the facility, vertical clearance on every side from influence factor according to level, vertical clearance between the pipe network, between pipe network and the buildings, analyze between pipe network and the facility;
Compare with related specifications and standard, judge whether to meet national regulation and standard, if meet, then this scheme is reasonable; If do not meet, then dynamically the pipe network position is laid in adjustment.
7. the common trench distribution method based on three-dimensional virtual city according to claim 6 is characterized in that, facility around the said search pipe network and analyzer tube screen cloth are established influence factor and also comprised:
In conjunction with existing reservation pipeline it is made full use of.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093061A (en) * | 2013-02-07 | 2013-05-08 | 中铁二十二局集团电气化工程有限公司 | Complex pipeline collision optimization method of subway electromechanical engineering |
| CN103761405B (en) * | 2014-02-17 | 2017-01-04 | 福州市勘测院 | There is the three-dimensional underground pipe line automatic creation system of wrong self-checking function |
| WO2017166371A1 (en) * | 2016-03-31 | 2017-10-05 | 东南大学 | Form optimization control method applied to peripheral buildings of open space and using evaluation of visible sky area |
| CN110619032A (en) * | 2019-09-05 | 2019-12-27 | 广州图测智能科技有限公司 | Full-space city design management real-scene three-dimensional control system and method |
-
2010
- 2010-11-10 CN CN201010537703XA patent/CN102467591A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093061A (en) * | 2013-02-07 | 2013-05-08 | 中铁二十二局集团电气化工程有限公司 | Complex pipeline collision optimization method of subway electromechanical engineering |
| CN103093061B (en) * | 2013-02-07 | 2015-09-09 | 中铁二十二局集团电气化工程有限公司 | A kind of subway electromechanical engineering comprehensive pipeline collision optimization method |
| CN103761405B (en) * | 2014-02-17 | 2017-01-04 | 福州市勘测院 | There is the three-dimensional underground pipe line automatic creation system of wrong self-checking function |
| WO2017166371A1 (en) * | 2016-03-31 | 2017-10-05 | 东南大学 | Form optimization control method applied to peripheral buildings of open space and using evaluation of visible sky area |
| US10423729B2 (en) | 2016-03-31 | 2019-09-24 | Southeast University | Method for optimal control of open space surrounding building form based on sky view evaluation |
| CN110619032A (en) * | 2019-09-05 | 2019-12-27 | 广州图测智能科技有限公司 | Full-space city design management real-scene three-dimensional control system and method |
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Application publication date: 20120523 |