CN105354345B - A kind of three-dimensional underground space full feature model real-time browsing method - Google Patents

A kind of three-dimensional underground space full feature model real-time browsing method Download PDF

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CN105354345B
CN105354345B CN201410271669.4A CN201410271669A CN105354345B CN 105354345 B CN105354345 B CN 105354345B CN 201410271669 A CN201410271669 A CN 201410271669A CN 105354345 B CN105354345 B CN 105354345B
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data
model
underground space
stratum
underground
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CN105354345A (en
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田春来
邓世军
王永杰
熊鑫
韩晓晖
王静
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Interstellar Space (tianjin) Technology Development Co Ltd
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Interstellar Space (tianjin) Technology Development Co Ltd
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Abstract

The invention discloses a kind of three-dimensional underground space full feature model real-time browsing methods, are related to showing virtual reality technology on a display screen, include the following steps: the unitized processing of underground space source data；Threedimensional model dynamic construction is carried out to formation data；Physical model building is carried out to the underground space data in addition to stratum；Real-time mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data.Advantages of the present invention: by data carry out it is pretreated on the basis of, using data digging method, pass through the three-dimensional space data Seamless integration- on syntax, semanteme and model level, real-time update realization multi-source data effectively integrates and the efficient creation of the three-dimensional scenic of the underground space of various scales, it realizes that the dynamic realtime of underground space total factor data model dispatches browsing, improves science, the safety of urban underground space planning.Improve the unified displaying of the underground space, management and analysis level.

Description

A kind of three-dimensional underground space full feature model real-time browsing method
Technical field
The present invention relates to virtual reality technology is shown on a display screen, in particular to carried out by the distribution situation to stratum Simulation realizes the dynamic realtime scheduling of underground space total factor data model, improves the three-dimensional of urban underground space planning efficiency Underground space full feature model real-time browsing method.
Background technique
Urban underground space is a huge and abundant space resources, and the developable stock number of urban underground space is can For the area of exploitation, the product of reasonable development depth and available factor appropriate." Chinese underground space industry development prospect and throwing Provide strategical planning analysis prediction " display, China's town site gross area in 2012 is 32.28 ten thousand hectares, according to 40% can It develops coefficient and 30 meters of Exploitation Depth calculates, just reach 3873.60 hundred million cubes for the Underground Space Resource amount of reasonable development Rice.This is a resource very considerable and abundant, if obtaining reasonable development, then will be to expansion city space, realization city Intensivization development has great importance.
With the development and utilization of one line urban underground space of China, underground shallow layer part will be using finishing, with deep layer The gradual perfection of excavation technology and equipment, in order to comprehensively utilize Underground Space Resource, underground space development will gradually be sent out to deep layer Exhibition.While underground space deep layer, each space aspects differentiation due is more and more stronger.The underground space in this layering face, with Centered on people and functional areas for its service, people, vehicle are shunted, and the processing of municipal pipeline, sewage and rubbish is placed in different layers Secondary, various underground traffics are also layered setting, are interfered with each other with reducing, ensure that the adequacy and integrality that the underground space utilizes.
The exploitation underground space is the important trend of 21 century Structural Engineering.For now, exploitation Urban Underground is empty Between can be applied to:
1, means of transportation: Urban Underground Passage, city underground, tunnel；
2, commercial facility: underground commercial center, shop of travelling under water；
3, the public parking of downtown area and the personal parking of residential area underground garage: are solved；
4, it municipal public good pipeline facility: improves urban road and utilizes, protection underground installation steady running, is that addition is set later Offer reserved space is provided；
5, Comprehensive Disaster Prevention for Cities is built: people's air defence is withstood natural calamities；
6, military engineering: underground military commanding center, important military installations (military optical cable, channel, material stock etc.)；
7, storage facilities: oil cellar (amount of storage is big, fire safety, quality are stable, maintenance is easy)；
8, the skyscraper underground space: increase construction area, combat a natural disaster it is shockproof.
It can be seen that the utilization of the underground space plays an important role to ground environment is improved.Developing underground traffic, reducing While urban atmospheric pollution, construction urban underground municipal pipelines pubilc utility tunnel should be also advocated, by tap water, sewage pipe, heat supply Pipe, cable and communication line are included, can shorten path length up to 30%, are also easy to check and repair, do not influence ground soil Use.Conditional city can also develop underground garbage processing system, eliminate rubbish " besieged city " phenomenon.
But since concealment is stronger compared with aboveground space for the underground space, formation information should not be observed, underground installation It should not change and safeguard after construction is improved.Traditional underground space is all by passing through papery or electronic document page after exploration Carry out data analysis, need professional person to provide analysis report by instrument and equipment by experience, waste a large amount of fund, Time and human resources, and have a possibility that error occurs when calculating analysis and cannot intuitively observe the underground space Information.
Currently, having been carried out the 3D modeling of ground simple target, more resolutions of ground landscape in dimensionally simulation field Rate expression etc. is mature, and the underground space due to there are formation data, Underground Pipeline Data, Underground Rail Transit data, The multi-resolution representation of the complex informations multiresolution integrated model such as lower buildings or structures, integrated model efficient update with efficiently Can space the key technologies such as calculate and do not break through also, especially descend the 3D integrated moulding technology of complex target on a large scale and according to making Visual angle, which carries out underground space roaming, can reach the function of observing different underground space information in real time.
Simultaneously as the source of data is different, the mode difference of acquisition, different scale, different semantic, different data matter Amount, different-format, different coordinate brings influence, existing to study the conversion for often paying attention to data format.Therefore, lack to three The unified expression model of dimension space object, it is difficult to which complete information is obtained by data conversion.Pretreated to data progress On the basis of, using data digging method, by the three-dimensional space data Seamless integration- on syntax, semanteme and model level, Real-time update realizes that multi-source data effectively integrates and the efficient creation of the three-dimensional scenic of the underground space of various scales is still to work as The preceding world advanced subject of this field and the emphasis of research.
Summary of the invention
The embodiment of the present invention provides a kind of three-dimensional underground space full feature model real-time browsing method, and the present invention can pass through On the basis of pretreated to data progress, using data digging method, pass through the three-dimensional on syntax, semanteme and model level Spatial data Seamless integration-, real-time update realize that multi-source data effectively integrates and the three-dimensional scenic of the underground space of various scales Efficiently creation；It is simulated by the distribution situation to stratum, realizes the dynamic realtime tune of underground space total factor data model Degree improves science, the safety of urban underground space planning.Solve that current stratigraphic model exhibition method is single, underground is empty Between model display the problem of only stressing single element, improve the underground space it is unified show, management and analysis level.Pass through observation The visual angle of person changes and underground space scene can be browsed in three dimensions in real time by reaching, and realizes multi-platform data integrated； Completely new experience is brought for threedimensional model, promotes true to nature, fine modeling effect.It is urban construction especially to the following intelligence Intelligent city build in underground space information acquisition and constructing plan on play important booster action.In urban construction Fast development has driven the large-scale development of urban underground space resource.City orientation, orderly development are advanced, and is promoted The three-dimensional development of city space and the development and utilization of underground commerce traffic；The protection of sufficiently development and utilization Underground Space Resource is latent Can, certain booster action is played to Comprehensive Disaster Prevention for Cities capability to resist destruction is improved.
The embodiment of the present invention provides a kind of three-dimensional underground space full feature model real-time browsing method, which is characterized in that packet Include following steps:
The unitized processing of underground space source data；
Threedimensional model dynamic construction is carried out to formation data；
Physical model building is carried out to the underground space data in addition to stratum；
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data.
A kind of three-dimensional underground space full feature model real-time browsing method, in which:
The unitized processing of the underground space source data: underground space data being arranged, is hierarchical partition, perfect, Then the every layer data that will acquire carries out electronic standard processing, is stored according to different storage formats；
The specific steps of the unitized processing of the underground space source data are as follows:
Data are uniformly processed: the underground space data of different storage forms are carried out unified storage form processing；
Sequence, number: the formation data in the underground space data of unified storage form is ranked up according to depth, And formation data is numbered according to unified coding rule；
Signal auditing: exception information and error message are handled by computer and artificial inspection two ways；
Data storage: by treated, underground space data are respectively stored into database according to different classes of；
Data processing: the data information of persistent collection is subjected to unified format and handles and is numbered；
Database is perfect: blending by the data information memory of update into database and with legacy data, improves data Library information.
A kind of three-dimensional underground space full feature model real-time browsing method, in which:
It is described that threedimensional model dynamic construction is carried out to formation data: based on formation data, to be become with the orientation of observation point Change the threedimensional model for carrying out strata condition in dynamic construction reflection certain area coverage；
The specific steps that threedimensional model dynamic construction is carried out to formation data are as follows:
Construct regional scope to determine: point works as front direction and position computation modeling regional scope according to the observation, currently to observe Centered on point, modeling regional scope is determined with certain radius；
Data decimation: it is selected using spatial overlay analysis wait model the formation data in region, by formation information according to ground Layer number is successively extracted, and determines the threedimensional model institutional framework on each stratum；
Building grid insertion point: it based on the formation data that spatial overlay analysis is selected, is constructed according to earth formation Grid insertion point；
Data structure building: the point characterized by the grid insertion point of building generates suitable space gengon data structure；
It forms threedimensional model: space gengon data structure is subjected to rendering visualization, it is three-dimensional to form the stratum that can be shown Model.A kind of three-dimensional underground space full feature model real-time browsing method, in which: data decimation and building grid insertion point it Between can be equipped with stratum set-up procedure；The wherein specific steps of stratum adjustment are as follows:
Stratum adjustment: it is tied according to the other stratum associated with the stratum of adjustment situations such as lacuna, stratum lenticular body Structure.
A kind of three-dimensional underground space full feature model real-time browsing method, in which:
The described pair of underground space data in addition to stratum carry out physical model building: empty for other undergrounds in addition to stratum Between data, carry out the foundation of structural strength test；
The described pair of underground space data in addition to stratum carry out the specific steps of physical model building are as follows:
Framing modeling: carrying out framing modeling to the underground space data in addition to stratum, will be three-dimensional by range of single map sheet Physical model carries out framing and establishes model；
Layered shaping: underground space data of the layered shaping in addition to stratum, after framing is handled three-dimensional entity model according to Data type is divided into many levels；
Model segmentation: underground space data of the piecemeal processing in addition to stratum carry out three-dimensional entity model after layered shaping Piecemeal processing；
Storage model: the model after dividing processing is named by unified naming rule and is imported in model library；
It generates spatial index: establishing the spatial index to physical model: generating spatial index file, and will be in model library Physical model reference information is stored in the leaf node of spatial index.
A kind of three-dimensional underground space full feature model real-time browsing method, wherein model is being carried out to underground space data Classification processing step can be equipped between segmentation and storage model；Wherein it is classified the specific steps of processing are as follows:
Classification processing: underground space data of the classification processing in addition to stratum, by the three-dimensional entity model after piecemeal according to not With the display level of degree, the face that carries out is deleted and texture compression operation, forms multi-level model.
A kind of three-dimensional underground space full feature model real-time browsing method, in which:
It is described that real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data: by stratigraphic model with it is other Underground space model is merged and is scheduled the three-dimensional underground space total factor data of display after being uniformly processed；
The specific steps that three-dimensional underground space total factor data are carried out with real-time dynamic mutual exclusion scheduling browsing are as follows:
Stratigraphic model: the real-time change in space of points orientation according to the observation is obtained in real time, constructs the three of corresponding position in real time Tie up stratigraphic model；
Other underground space models: the real-time change in space of points orientation according to the observation, spatial index calling pair are obtained in real time Answer other underground space physical models at position in addition to stratigraphic model；
Extract real-time underground space mutual exclusion model: empty with other undergrounds when there is stratigraphic model during Real-Time Scheduling Between physical model when overlaping, other underground space physical models of coincidence are determined according to spatial relationship, extract coincidence Other underground space physical models outer surface；
The part that surface of stratum is overlapped with other underground space physical models outer surface is calculated, the surface of stratum being overlapped is hidden Part；
When stratigraphic model and other underground space physical models are there is no when overlaping, hiding surface of stratum part is heavy New display.
A kind of three-dimensional underground space full feature model real-time browsing method, in which: the underground space data include: stratum Data, Underground Pipeline Data, pile foundation data, pattern foundation pit supporting structure data, Underground Rail Transit data, market place builet below the ground data, underground are stopped Parking lot data, other underground buildings or structures data；The modeling regional scope may include the location of current observation point Polygon body region, the polygon body region is in hollow structure and the Domain Volume is between 1 ~ 20000000 cubic metre.
A kind of three-dimensional underground space full feature model real-time browsing method, in which: in the formation threedimensional model step Space gengon data structure is carried out to the visual specific steps of rendering in rendering visualization are as follows: stratigraphic signature legend is united One change processing；According to the axial direction in face where the coordinate and coordinate of each point of model, the normal coordinate of coordinates computed；According to normal Coordinate calculates texture coordinate or color coordinates；Texture or color are set.
A kind of three-dimensional underground space full feature model real-time browsing method, in which: the specific steps of the stratum adjustment are as follows:
According to the lacuna situation and the stratum lenticular body situation adjust in real time with the formation data and and its Associated other earth formations；
When the underground space data for having hidden layer, around minimum distance underground space data correlation stratum Structure can pinching therebetween, while adjusting the structure on the adjacent the upper and lower stratum of the hidden layer；
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance Pinching between underground space data, while adjusting the structure on the adjacent the upper and lower stratum in the lenticular body stratum.
It can be seen that:
Three-dimensional underground space full feature model real-time browsing method in the embodiment of the present invention can satisfy:
By to data carry out it is pretreated on the basis of, using data digging method, by syntax, semanteme and model Three-dimensional space data Seamless integration- in level, real-time update realization multi-source data effectively integrates and the underground space of various scales Three-dimensional scenic efficient creation；It is simulated by the distribution situation to stratum, realizes underground space total factor data model Dynamic realtime scheduling, improve urban underground space planning science, safety.Solves current stratigraphic model exhibition method The problem of single, underground space model display only stresses single element improves the unified displaying of the underground space, management and analysis water It is flat.Change to reach by the visual angle of observer and can show underground space scene in three dimensions in real time, realizes multi-platform It is data integrated；Completely new experience is brought for said three-dimensional body frame model browsing, promotes true to nature, fine modeling effect.For city City construction especially to the following smart city build in underground space information acquisition and constructing plan on play it is important Foundation and large-scale developing and utilizing for urban underground space resource has been driven in the fast development of urban construction.It is fixed to advance city To, orderly development, and advance the three-dimensional development of city space and the development and utilization of underground commerce traffic；Sufficiently development and utilization The protection potential of Underground Space Resource improves Comprehensive Disaster Prevention for Cities capability to resist destruction and plays certain booster action.
Detailed description of the invention
Fig. 1 is the flow diagram of three-dimensional underground space full feature model real-time browsing method provided by the invention；
Fig. 2 is underground space source data system in three-dimensional underground space full feature model real-time browsing method provided by the invention One changes the flow diagram of processing；
Fig. 3 is the number of plies over the ground in the three-dimensional underground space full feature model real-time browsing method that provides in the embodiment of the present invention According to the flow diagram for carrying out one of threedimensional model dynamic construction form of expression；
Fig. 4 is the number of plies over the ground in the three-dimensional underground space full feature model real-time browsing method that provides in the embodiment of the present invention According to the flow diagram for carrying out one of threedimensional model dynamic construction form of expression；
Fig. 5 is in the three-dimensional underground space full feature model real-time browsing method provided in the embodiment of the present invention to except stratum Outer underground space data carry out the flow diagram of one of physical model building form of expression；
Fig. 6 is in the three-dimensional underground space full feature model real-time browsing method provided in the embodiment of the present invention to except stratum Outer underground space data carry out the flow diagram of one of physical model building form of expression；
Fig. 7 is clear to carry out real-time dynamic mutual exclusion scheduling in the three-dimensional underground space full feature model real-time browsing method of the present invention The flow diagram look at；
Fig. 8 is the flow diagram of three-dimensional underground space full feature model real-time browsing method provided by the invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction with attached drawing and specific implementation Example is next, and the present invention will be described in detail, and illustrative examples of the invention and explanation are used to explain the present invention herein, but are not intended as Limitation of the invention.
Embodiment 1:
Fig. 1 is the flow diagram of three-dimensional underground space full feature model real-time browsing method provided in this embodiment, such as Shown in figure, this method following steps:
A kind of three-dimensional underground space full feature model real-time browsing method, includes the following steps:
S1: the unitized processing of underground space source data；
S2: threedimensional model dynamic construction is carried out to formation data；
S3: physical model building is carried out to the underground space data in addition to stratum；
S4: real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 2, in which:
The unitized processing of the underground space source data: underground space data being arranged, is hierarchical partition, perfect, Then the every layer data that will acquire carries out electronic standard processing, is stored according to different storage formats；
The specific steps of the unitized processing of the underground space source data are as follows:
Data are uniformly processed: the underground space data of different storage forms are carried out unified storage form processing；
Sequence, number: the formation data in the underground space data of unified storage form is ranked up according to depth, And formation data is numbered according to unified coding rule；
Signal auditing: exception information and error message are handled by computer and artificial inspection two ways；
Data storage: by treated, underground space data are respectively stored into database according to different classes of；
Data processing: the data information of persistent collection is subjected to unified format and handles and is numbered；
Database is perfect: blending by the data information memory of update into database and with legacy data, improves data Library information.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 3, in which:
It is described that threedimensional model dynamic construction is carried out to formation data: based on formation data, to be become with the orientation of observation point Change the threedimensional model for carrying out strata condition in dynamic construction reflection certain area coverage；
The specific steps that threedimensional model dynamic construction is carried out to formation data are as follows:
Construct regional scope to determine: point works as front direction and position computation modeling regional scope according to the observation, currently to observe Centered on point, modeling regional scope is determined with certain radius；
Data decimation: it is selected using spatial overlay analysis wait model the formation data in region, by formation information according to ground Layer number is successively extracted, and determines the threedimensional model institutional framework on each stratum；
Stratum adjustment: it is tied according to the other stratum associated with the stratum of adjustment situations such as lacuna, stratum lenticular body Structure；
Building grid insertion point: it based on the formation data that spatial overlay analysis is selected, is constructed according to earth formation Grid insertion point；
Data structure building: the point characterized by the grid insertion point of building generates suitable space gengon data structure；
It forms threedimensional model: space gengon data structure is subjected to rendering visualization, it is three-dimensional to form the stratum that can be shown Model.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 5, in which:
Physical model building is carried out to the underground space data in addition to stratum: for other underground space numbers in addition to stratum According to carrying out the foundation of structural strength test；
The described pair of underground space data in addition to stratum carry out the specific steps of physical model building are as follows:
Framing modeling: carrying out framing modeling to the underground space data in addition to stratum, will be three-dimensional by range of single map sheet Physical model carries out framing and establishes model；
Layered shaping: underground space data of the layered shaping in addition to stratum, after framing is handled three-dimensional entity model according to Data type is divided into many levels；
Model segmentation: underground space data of the piecemeal processing in addition to stratum carry out three-dimensional entity model after layered shaping Piecemeal processing；
Classification processing: underground space data of the classification processing in addition to stratum, by the three-dimensional entity model after piecemeal according to not With the display level of degree, the face that carries out is deleted and texture compression operation, forms multi-level model；
Storage model: the model after dividing processing is named by unified naming rule and is imported in model library；
It generates spatial index: establishing the spatial index to physical model: generating spatial index file, and will be in model library Physical model reference information is stored in the leaf node of spatial index.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 7, in which:
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data: by stratigraphic model and other undergrounds Spatial model is merged and is scheduled the three-dimensional underground space total factor data of display after being uniformly processed；
The specific steps that three-dimensional underground space total factor data are carried out with real-time dynamic mutual exclusion scheduling browsing are as follows:
Stratigraphic model: the real-time change in space of points orientation according to the observation is obtained in real time, constructs the three of corresponding position in real time Tie up stratigraphic model；
Other underground space models: the real-time change in space of points orientation according to the observation, spatial index calling pair are obtained in real time Answer other underground space physical models at position in addition to stratigraphic model；
Extract real-time underground space threedimensional model: empty with other undergrounds when there is stratigraphic model during Real-Time Scheduling Between physical model when overlaping, other underground space physical models of coincidence are determined according to spatial relationship, extract coincidence Other underground space physical models outer surface；
The part that surface of stratum is overlapped with other underground space physical models outer surface is calculated, the surface of stratum being overlapped is hidden Part；
When stratigraphic model and other underground space physical models are there is no when overlaping, hiding surface of stratum part is heavy New display.
In a particular embodiment: it is described formed threedimensional model step in space gengon data structure is carried out rendering can Depending on the visual specific steps of rendering in changing are as follows: by the unitized processing of stratigraphic signature legend；Seat according to each point of model Be marked with and coordinate where face axial direction, the normal coordinate of coordinates computed；Texture coordinate is calculated according to normal coordinate or color is sat Mark；Texture or color are set.
In a particular embodiment: the specific steps of the stratum adjustment are as follows:
According to the lacuna situation and the stratum lenticular body situation adjust in real time with the formation data and and its Associated other earth formations；
When the underground space data for having hidden layer, around minimum distance underground space data correlation stratum Structure can pinching therebetween, while adjusting the structure on the adjacent the upper and lower stratum of the hidden layer；
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance Pinching between underground space data, while adjusting the structure on the adjacent the upper and lower stratum in the lenticular body stratum.
In specific embodiment, the underground space data can are as follows: formation data, Underground Pipeline Data, pile foundation data, foundation pit Supporting data, Underground Rail Transit data, market place builet below the ground data, underground parking field data, other underground buildings or structures data.
In specific embodiment, the modeling regional scope may include the polygon body region of the location of current observation point.
In specific embodiment, the modeling region can be the polygon body region that plane section is triangle.
In specific embodiment, the modeling region can be sphere.
In specific embodiment, the modeling region can be the Four-sided Body Area that plane section is quadrangle.
In specific embodiment, the modeling region can be the polygon body region that plane section is irregular figure.
In specific embodiment, the inside in the modeling region is in hollow structure.
In specific embodiment, the volume in the modeling region is 1 cubic metre.
In specific embodiment, the volume in the modeling region is 500 cubic metres.
In specific embodiment, the volume in the modeling region is 20000000 cubic metres.
Three-dimensional underground space data are wanted entirely using this method to elaborate with a specific implementation case below The extraction of element obtains the model method of underground space Real-Time Scheduling.Using this three-dimensional underground space full feature model displaying live view side Method can observe the stratum threedimensional model around point of observation in real time, underground utilities threedimensional model, Underground Rail Transit facility The construction such as threedimensional model and underground pile foundation threedimensional model, pattern foundation pit supporting structure threedimensional model, market place builet below the ground threedimensional model, underground parking Build the threedimensional model of object.
Formation data, underground utilities, Underground Rail Transit and other constructions of structures in underground space data are carried out respectively Initial data arranges, and finds out the data associated documents of required threedimensional model within the scope of solid modelling.It is carried out further according to these documents Hierarchical partition and perfect, the electronic standard processing of the every layer data progress that then will acquire, according to different storage formats It is stored.
Wherein: formation data derives from information collected by geotechnical investigation, while obtaining formation rock by soil test Property information, carry out layered shaping and forming analysis report by formation informations such as the texture properties, physical property, lithology on stratum. All analysis reports are carried out to the processing of electronic standard, and by these information unification storage forms.It will unified storage form It obtains formation data to be ranked up according to depth, and stratum is encoded according to unified coding rule, form stratum label, lead to It crosses coding integration technology and constructs relational data.
First passing through computer, formation data checks to treated, rejects to abnormal data, to formation data Number checked.Then these data are audited by way of manual inspection again, exception information and mistake is believed Breath is handled.Determine formation information without data are stored into database by treated again after any objection.
When formation information carries out more elaborate geotechnical investigation in plot, test is carried out to the ground and obtains analysis report It accuses, carry out the processing of unified electronic standard with the data information formerly obtained, coding is formed carries out man-machine friendship again after the label of stratum Mutual form is rejected and modification error message.By the formation data information of update store into database and with prime stratum data It blends, improves database information.
Underground utilities, Underground Rail Transit and other constructions of structures in underground space data is subjected to initial data respectively It arranges, finds out the data associated documents of required threedimensional model within the scope of solid modelling.Stratification is carried out to these initial data again It divides and perfect, the every layer data that then will acquire carries out electronic standard processing, is deposited according to different storage formats Storage.
The spatial dimension that related data is obtained from the file after electronization, in spatial dimension to spatial positional information and Attribute information extracts, data information needed for obtaining detailed three-dimensional modeling.Data information after extraction is passed through into processing Software carries out processing and is stored according to storage format needed for three-dimensional drawing, to obtain underground utilities, underground rail is handed over Data needed for logical and other constructions of structures.
By computer, to treated, underground utilities, Underground Rail Transit and other construction of structures data are checked, Abnormal data is rejected.These data are audited by way of manual inspection again, exception information and mistake are believed Breath is handled.Determine these data without data are stored into database by treated again after any objection.
By underground utilities shown by two width map sheets, Underground Rail Transit and other construction of structures data in specific embodiment Company's number of edges according to being checked emphatically, modify error message.Confirm it is errorless after deposited respectively further according to the classifications of each data Storage.
In specific embodiment, by taking Underground Pipeline Data as an example.Different classes of according to pipeline obtains natural gas by drawing The spatial dimension of pipeline, water distribution pipeline line and sewage treatment pipeline.These drawings are subjected to hierarchical partition and perfect, then will Drawing comprising natural gas pipeline, water distribution pipeline line and sewage treating tube line number evidence carries out electronic standard processing respectively, according to Its generic stores all information of natural gas pipeline data into the database where it, similarly water distribution pipeline line and sewage The storage of processing pipeline data is stored into its relevant database.
The sky of natural gas pipeline, water distribution pipeline line and sewage treatment pipeline related data is obtained from the file after electronization Between range, to the spatial positional information and attribute of natural gas pipeline, water distribution pipeline line and sewage treatment pipeline in spatial dimension Information extracts, data information needed for obtaining detailed three-dimensional modeling.Data information after extraction is passed through into processing software It carries out processing and is stored according to storage format needed for three-dimensional drawing.
It is examined by data of the computer to treated natural gas pipeline, water distribution pipeline line and sewage treatment pipeline It looks into, abnormal data is rejected.These data are audited by way of manual inspection again, to exception information and mistake Information is handled.Determine these data without data are stored into database by treated again after any objection.
When there is new pipe installation, the drawing for recording new pipeline data is subjected to electronic disposal and data processing again It audits by data and is merged with the pipeline information in raw data base, improve database information.
To underground space total factor carry out model construction when, respectively by stratigraphic model and other in addition to stratum The information of down space element is constructed.Wherein in the method for carrying out dynamic construction to stratum threedimensional model are as follows:
Point of observation is first set, the point centered on point of observation, and diffuse to form a modeling around respectively along the central point Regional scope, the three-dimensional mould in subsurface three-dimensional space can be observed in real time by guaranteeing to move in the point of observation to all directions Type.Wherein, the point centered on point of observation in the present case, along central point, southeastward the orientation of northwest four respectively extends 50 meters respectively, Carrying out the range that 200 meters of Depth Expansion determine modeling region again is 2000000 cubic metres.
The data information in formation data library is transferred, the modeling area then determined using spatial overlay analysis method and point of observation Data in domain carry out matching and extract real-time is selected wait model the formation information in region.By the formation information in the region It is successively extracted according to formation variation, determines the threedimensional model institutional framework on each stratum in the range.In three-dimensional It often will appear lacuna and stratum lenticular body situation in the institutional framework of stratum, therefore need finely to be adjusted formation data It is whole.Specific set-up procedure are as follows:
The underground space data of hidden layer are collected when there is formation data missing, around minimum distance Underground space data correlation earth formation can pinching therebetween, while adjust the adjacent upper layer of the hidden layer and under The structure on layer stratum, forms more perfect three-dimensional formation institutional framework.
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance Pinching between underground space data, while the structure on the adjacent the upper and lower stratum in the lenticular body stratum is adjusted, it is formed more Perfect three-dimensional formation institutional framework.
Formation data is selected based on perfect three-dimensional formation institutional framework, then with spatial overlay analysis, according to ground Layer structure constructs the grid insertion point in correlation modeling region.By taking 2000000 cubic metres of modeling region as an example, in the region It is interior according to earth formation, be spaced 25 meters in each edge in the modeling region according to the formation data and be attached building grid Insertion point, each insertion point layer height with existing survey data carry out interpolation calculation, by the grid insertion point of building be spy Point is levied, grid insertion point is attached, suitable space gengon data structure is generated.
Space gengon data structure is subjected to rendering visualization, forms the stratum threedimensional model that can be shown.Wherein render Visual specific steps are as follows: can be by the unitized processing of stratigraphic signature legend；Coordinate and coordinate according to each point of model The axial direction in place face, the normal coordinate of coordinates computed；Texture coordinate or color coordinates are calculated according to normal coordinate；Texture is set Or color.
Physical model building is carried out to the underground space data in addition to stratum.It is adjusted respectively in the database before model construction Take the data of underground utilities, Underground Rail Transit and other constructions of structures.Data after transferring carry out framing modeling, wherein with Single map sheet is that three-dimensional entity model is carried out framing processing and establishes model according to map sheet by range.Again by each framing threedimensional model It is layered, piecemeal and classification processing.Wherein it is possible to which the mode of 2X2 or the mode of 4X4 is selected to handle map sheet.
Model after framing, layering, piecemeal and classification is named according to unified naming rule, and will be after name Sectional pattern imported into model library and is stored.It needs to quote the entity model information in model library according to modeling, And these reference informations are stored in the leaf node of spatial index, facilitate three-dimensional underground space full feature model Real-Time Scheduling Dynamically Announce.
It can be by quaternary tree form to underground utilities, Underground Rail Transit and other constructions of structures etc. in specific embodiment Underground space model carries out Real-Time Scheduling.
It can be by Octree form to underground utilities, Underground Rail Transit and other constructions of structures etc. in specific embodiment Underground space model carries out Real-Time Scheduling.
The three dimension strata model of Real-time modeling set and other three-dimensional underground space models are merged and be uniformly processed laggard The real-time dynamic mutual exclusion scheduling browsing of row.
Firstly, obtain real-time stratigraphic model, according to the observation the real-time change in space of points orientation and construct corresponding sky in real time Between three dimension strata model at position.Simultaneously spatial index call in real time other undergrounds correspond to spatial position it is other dimensionally under Spatial model.
During Real-Time Scheduling, when there is stratigraphic model and other underground space physical models overlap, according to Spatial relationship determines other underground space physical models of coincidence, extracts other underground space physical model appearances of coincidence Face；
The part that surface of stratum is overlapped with other underground space physical models outer surface is calculated, the surface of stratum being overlapped is hidden Part；When stratigraphic model and other underground space physical models are there is no when overlaping, hiding surface of stratum part is again Display.
In specific embodiment, the underground space data can are as follows: formation data, Underground Pipeline Data, pile foundation data, foundation pit Supporting data, Underground Rail Transit data, market place builet below the ground data, underground parking field data, other underground buildings or structures data.
In specific embodiment, the modeling regional scope may include the quadrilateral area of the location of current observation point.
In specific embodiment, the volume in the modeling region is being 20000000 cubic metres.
Embodiment 2:
Fig. 1 is the flow diagram of three-dimensional underground space full feature model real-time browsing method provided in this embodiment, such as Shown in figure, this method following steps:
A kind of three-dimensional underground space full feature model real-time browsing method, includes the following steps:
S1: the unitized processing of underground space source data；
S2: threedimensional model dynamic construction is carried out to formation data；
S3: physical model building is carried out to the underground space data in addition to stratum；
S4: real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 2, in which:
The unitized processing of the underground space source data: underground space data are arranged, are updated, hierarchical partition, Perfect, the every layer data that then will acquire carries out electronic standard processing, is stored according to different storage formats；
The specific steps of the unitized processing of the underground space source data are as follows:
Data are uniformly processed: the underground space data of different storage forms are carried out unified storage form processing；
Sequence, number: the formation data in the underground space data of unified storage form is ranked up according to depth, And formation data is numbered according to unified coding rule；
Signal auditing: exception information and error message are handled by computer and artificial inspection two ways；
Data storage: by treated, underground space data are respectively stored into database according to different classes of；
Data processing: the data information of persistent collection is subjected to unified format and handles and is numbered；
Database is perfect: blending by the data information memory of update into database and with legacy data, improves data Library information.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 4, in which:
It is described that threedimensional model dynamic construction is carried out to formation data: based on formation data, to be become with the orientation of observation point Change the threedimensional model for carrying out strata condition in dynamic construction reflection certain area coverage；
The specific steps that threedimensional model dynamic construction is carried out to formation data are as follows:
Construct regional scope to determine: point works as front direction and position computation modeling regional scope according to the observation, currently to observe Centered on point, modeling regional scope is determined with certain radius；
Data decimation: it is selected using spatial overlay analysis wait model the formation data in region, by formation information according to ground Layer number is successively extracted, and determines the threedimensional model institutional framework on each stratum；
Building grid insertion point: it based on the formation data that spatial overlay analysis is selected, is constructed according to earth formation Grid insertion point；
Data structure building: the point characterized by the grid insertion point of building generates suitable space gengon data structure；
It forms threedimensional model: space gengon data structure is subjected to rendering visualization, it is three-dimensional to form the stratum that can be shown Model.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in FIG. 6, in which:
Physical model building is carried out to the underground space data in addition to stratum: for other underground space numbers in addition to stratum According to carrying out the foundation of structural strength test；
The described pair of underground space data in addition to stratum carry out the specific steps of physical model building are as follows:
Framing modeling: carrying out framing modeling to the underground space data in addition to stratum, will be three-dimensional by range of single map sheet Physical model carries out framing and establishes model；
Layered shaping: underground space data of the layered shaping in addition to stratum, after framing is handled three-dimensional entity model according to Data type is divided into many levels；
Model segmentation: underground space data of the piecemeal processing in addition to stratum carry out three-dimensional entity model after layered shaping Piecemeal processing；
Storage model: the model after dividing processing is named by unified naming rule and is imported in model library；
It generates spatial index: establishing the spatial index to physical model: generating spatial index file, and will be in model library Physical model reference information is stored in the leaf node of spatial index.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 7, in which:
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data: by stratigraphic model and other undergrounds Spatial model is merged and is scheduled the three-dimensional underground space total factor data of display after being uniformly processed；
The specific steps that three-dimensional underground space total factor data are carried out with real-time dynamic mutual exclusion scheduling browsing are as follows:
Stratigraphic model: the real-time change in space of points orientation according to the observation is obtained in real time, constructs the three of corresponding position in real time Tie up stratigraphic model；
Other underground space models: the real-time change in space of points orientation according to the observation, spatial index calling pair are obtained in real time Answer other underground space physical models at position in addition to stratigraphic model；
Extract real-time underground space threedimensional model: empty with other undergrounds when there is stratigraphic model during Real-Time Scheduling Between physical model when overlaping, other underground space physical models of coincidence are determined according to spatial relationship, extract coincidence Other underground space physical models outer surface；
The part that surface of stratum is overlapped with other underground space physical models outer surface is calculated, the surface of stratum being overlapped is hidden Part；When stratigraphic model and other underground space physical models are there is no when overlaping, hiding surface of stratum part is again Display.
In a particular embodiment: it is described formed threedimensional model step in space gengon data structure is carried out rendering can Depending on the visual specific steps of rendering in changing are as follows: by the unitized processing of stratigraphic signature legend；Seat according to each point of model Be marked with and coordinate where face axial direction, the normal coordinate of coordinates computed；Texture coordinate is calculated according to normal coordinate or color is sat Mark；Texture or color are set.
In a particular embodiment: the specific steps of the stratum adjustment are as follows:
According to the lacuna situation and the stratum lenticular body situation adjust in real time with the formation data and and its Associated other earth formations；
When the underground space data for having hidden layer, around minimum distance underground space data correlation stratum Structure can pinching therebetween, while adjusting the structure on the adjacent the upper and lower stratum of the hidden layer；
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance Pinching between underground space data, while adjusting the structure on the adjacent the upper and lower stratum in the lenticular body stratum.
In specific embodiment, the underground space data can are as follows: formation data, Underground Pipeline Data, pile foundation data, foundation pit Supporting data, Underground Rail Transit data, market place builet below the ground data, underground parking field data, other underground buildings or structures data.
In specific embodiment, the modeling regional scope may include the polygon body region of the location of current observation point.
In specific embodiment, the modeling region can be the polygon body region that plane section is triangle.
In specific embodiment, the modeling region can be sphere.
In specific embodiment, the modeling region can be the Four-sided Body Area that plane section is quadrangle.
In specific embodiment, the modeling region can be the polygon body region that plane section is irregular figure.
In specific embodiment, the inside in the modeling region is in hollow structure.
In specific embodiment, the volume in the modeling region is 1 cubic metre.
In specific embodiment, the volume in the modeling region is 500 cubic metres.
In specific embodiment, the volume in the modeling region is 20000000 cubic metres.
Three-dimensional underground space data are wanted entirely using this method to elaborate with a specific implementation case below The extraction of element obtains the model method of underground space Real-Time Scheduling.Using this three-dimensional underground space full feature model displaying live view side Method can selectively observe the threedimensional model of the total factor of the underground space data around point of observation in real time, can also be over the ground Each element of down space passes through threedimensional model respectively and is shown, will dispatch and show in the present embodiment stratum three-dimensional mould Type, underground utilities threedimensional model, the threedimensional model of Underground Rail Transit facility.
Formation data, underground utilities, Underground Rail Transit in underground space data are subjected to initial data arrangement respectively, looked for Solid modelling formulates the data associated documents of required threedimensional model in range out.Further according to these documents carry out hierarchical partition and Perfect, the every layer data that then will acquire carries out electronic standard processing, is stored according to different storage formats.
Wherein: formation data derives from information collected by geotechnical investigation, while obtaining formation rock by soil test Property information, carry out layered shaping and forming analysis report by formation informations such as the texture properties, physical property, lithology on stratum. All analysis reports are carried out to the processing of electronic standard, and by these information unification storage forms.It will unified storage form It obtains formation data to be ranked up according to depth, and stratum is encoded according to unified coding rule, form stratum label.It is logical It crosses coding integration technology and constructs relational data.
First passing through computer, formation data checks to treated, rejects to abnormal data, to formation data Number checked.Then these data are audited by way of manual inspection again, exception information and mistake is believed Breath is handled.Determine formation information without data are stored into database by treated again after any objection.
When formation information carries out more elaborate geotechnical investigation in a certain plot, test is carried out to the ground and is divided Analysis report carries out the processing of unified electronic standard with the data information formerly obtained, and coding is formed carries out people again after the label of stratum The form of machine interaction is rejected and modification error message.The formation data information of update is stored into database and and prime stratum Data blend, and improve database information.
Underground Rail Transit data in underground space data are subjected to initial data arrangement, are found out within the scope of solid modelling The data associated documents of required threedimensional model.Hierarchical partition and perfect is carried out further according to these documents, then will acquire Every layer data carries out electronic standard processing, is stored according to different storage formats.
The spatial dimension that related data is obtained from the file after electronization, in spatial dimension to spatial positional information and Attribute information extracts, data information needed for obtaining detailed three-dimensional modeling.Data information after extraction is passed through into processing Software carries out processing and is stored according to storage format needed for three-dimensional drawing, to obtain number needed for Underground Rail Transit According to.
To treated, Underground Rail Transit data check computer, reject to abnormal data.Pass through people again The mode of work inspection audits these data, handles exception information and error message.Determine these data without appoint By treated, data are stored into database again after what objection.
By company's number of edges of Underground Rail Transit data shown by two width map sheets according to being checked emphatically in specific embodiment, Modify error message.Confirm it is errorless after stored further according to the classifications of data.
Underground utilities in underground space data are subjected to initial data arrangement.Different classes of according to pipeline passes through drawing Obtain the spatial dimension of natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline line and sewage treatment pipeline. These drawings are subjected to hierarchical partition and perfect, it then respectively will display natural gas pipeline, power pipeline, heating pipeline, logical The drawing of news pipeline, water distribution pipeline line and sewage treating tube line number evidence carries out electronic standard processing respectively, according to each pipeline Generic these data stored store into relevant database.
Natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline are obtained from the file after electronization The spatial dimension of line and sewage treatment pipeline related data, will be as desired to the space bit for wanting required pipeline in spatial dimension Confidence breath and attribute information extract, and obtain detailed natural gas pipeline, power pipeline, heating pipeline, communication pipeline, transmission & distribution Data information needed for water pipeline and sewage treatment pipeline three-dimensional modeling.Data information after extraction is carried out by processing software It handles and is stored according to storage format needed for three-dimensional drawing.
By computer to treated natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline line With sewage treating tube line number according to being checked, abnormal data is rejected.Again to these data by way of manual inspection It is audited, exception information and error message is handled.Determine that treated counts these data without inciting somebody to action again after any objection According to storage into database.
When there is new pipe installation, the drawing for recording new pipeline data is subjected to electronic disposal and data processing again It audits by data and is merged with the pipeline information in raw data base, improve database information.
To underground space total factor carry out model construction when, respectively will containing underground utilities, Underground Rail Transit, The information that lower market and underground parking obtain underground space element is constructed.The wherein specific three-dimensional mould in layer building over the ground The construction method of type are as follows:
To underground space total factor carry out model construction when, respectively by stratigraphic model and other in addition to stratum The information of down space element is constructed.Wherein in the method for carrying out dynamic construction to stratum threedimensional model are as follows:
Point of observation is first set, the point centered on point of observation, and diffuse to form a modeling around respectively along the central point Regional scope, the three-dimensional mould in subsurface three-dimensional space can be observed in real time by guaranteeing to move in the point of observation to all directions Type.Wherein, the point centered on point of observation in the present case respectively extends 50 meters to multiple orientation respectively along central point, forms one Sphere determines that the range in modeling region is 523000 cubic metres.
The data information in formation data library is transferred, the modeling area then determined using spatial overlay analysis method and point of observation Data in domain carry out matching and extract real-time is selected wait model the formation information in region.By the formation information in the region It is successively extracted according to formation variation, determines the threedimensional model institutional framework on each stratum in the range.Wherein, exist Each stratum engineering three-dimensional tissue structures can first be determined by determining in three-dimensional formation institutional framework, all geotechnical investigation information is passed through Three-dimensional formation institutional framework is built by algorithm reckoning again after triangle gridding.
It often will appear lacuna and stratum lenticular body situation in three-dimensional formation institutional framework, therefore need the ground number of plies According to progress intense adjustment.Specific set-up procedure are as follows:
The underground space data of hidden layer are collected when there is formation data missing, around minimum distance Underground space data correlation earth formation can pinching therebetween, while adjust the adjacent upper layer of the hidden layer and under The structure on layer stratum, forms more perfect three-dimensional formation institutional framework.
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance Pinching between underground space data, while the structure on the adjacent the upper and lower stratum in the lenticular body stratum is adjusted, it is formed more Perfect three-dimensional formation institutional framework.
Formation data is selected based on perfect three-dimensional formation institutional framework, then with spatial overlay analysis, according to ground Layer structure constructs the grid insertion point in correlation modeling region.By taking 523000 cubic metres of modeling regions as an example, in the area According to earth formation, be spaced in each edge in the modeling region according to the formation data 10 meters be attached building grid insert Access point, each insertion point layer height with existing survey data carry out interpolation calculation, the grid insertion point of building is characterized Grid insertion point is attached by point, generates suitable space sphere data structure.
Space gengon data structure is subjected to rendering visualization, forms the stratum threedimensional model that can be shown.Wherein render Visual specific steps are as follows: can be by the unitized processing of stratigraphic signature legend；Coordinate and coordinate according to each point of model The axial direction in place face, the normal coordinate of coordinates computed；Texture coordinate or color coordinates are calculated according to normal coordinate；Texture is set Or color.
Physical model building is carried out to the underground space data in addition to stratum.It is adjusted respectively in the database before model construction Take the data of underground utilities, Underground Rail Transit.Data after transferring carry out framing modeling, wherein using single map sheet as range Three-dimensional entity model is subjected to framing processing and establishes model according to map sheet.Model after framing is subjected to layered shaping, finally Model after map sheet is decomposed carries out piecemeal processing, wherein can choose the mode of 2X2 or the mode of 4X4 is divided map sheet Block processing.
The model of framing, layering, piecemeal is named according to unified naming rule, and by the sectional pattern after name It imported into model library and is stored.According to modeling need to quote the entity model information in model library, and by these Reference information is stored in the leaf node of spatial index, facilitates the dynamic of three-dimensional underground space full feature model Real-Time Scheduling aobvious Show.
Underground utilities, Underground Rail Transit model can be adjusted in real time by quaternary tree form in specific embodiment Degree.
Underground utilities, Underground Rail Transit model can be adjusted in real time by Octree form in specific embodiment Degree.
The three dimension strata model of Real-time modeling set and other three-dimensional underground space models are merged and be uniformly processed laggard The real-time dynamic mutual exclusion scheduling browsing of row.
Firstly, obtain real-time stratigraphic model, according to the observation the real-time change in space of points orientation and obtain corresponding sky in real time Between three dimension strata model at position.Simultaneously spatial index call in real time other undergrounds correspond to spatial position it is other dimensionally under Spatial model.
It is folded when stratigraphic model occur with underground utilities and Underground Rail Transit physical model and being overlapped during Real-Time Scheduling Added-time determines according to spatial relationship and is overlapped underground utilities and Underground Rail Transit model, extract coincidence underground utilities and Underground Rail Transit model outer surface；Calculate the portion that surface of stratum is overlapped with underground utilities and Underground Rail Transit model outer surface Point, hide the surface of stratum part being overlapped；When there is no weights for stratigraphic model and underground utilities and Underground Rail Transit physical model When closing superposition, hiding surface of stratum part is shown again.
In specific embodiment, it is aobvious that the demand that can obtain according to the observation carries out Real-Time Scheduling to different underground utilities models Show.
In specific embodiment, the underground space data can are as follows: formation data, Underground Pipeline Data.
In specific embodiment, the modeling regional scope may include the spheric region of the location of current observation point.
Embodiment 3:
Fig. 8 is the flow diagram of three-dimensional underground space full feature model real-time browsing method provided in this embodiment, such as Shown in figure, this method following steps:
A kind of three-dimensional underground space full feature model real-time browsing method, includes the following steps:
S1: the unitized processing of underground space source data；
S2: extract real-time underground space threedimensional model；
S3: real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 2, in which:
The unitized processing of the underground space source data: underground space data being arranged, is hierarchical partition, perfect, Then the every layer data that will acquire carries out electronic standard processing, is stored according to different storage formats；
The specific steps of the unitized processing of the underground space source data are as follows:
Data are uniformly processed: the underground space data of different storage forms are carried out unified storage form processing；
Sequence, number: by the underground space data of unified storage form according to unified coding rule to formation data It is numbered；
Signal auditing: exception information and error message are handled by computer and artificial inspection two ways；
Data storage: by treated, underground space data are respectively stored into database according to different classes of；
Data processing: the data information of persistent collection is subjected to unified format and handles and is numbered；
Database is perfect: blending by the data information memory of update into database and with legacy data, improves data Library information.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in FIG. 6, in which:
Physical model building is carried out to the underground buildings object data such as underground utilities, Underground Rail Transit, underground parking The foundation in library；
It is described that physical model is carried out to the underground buildings object data such as underground utilities, Underground Rail Transit, underground parking Construct the specific steps of the foundation in library are as follows:
Framing modeling: carrying out framing modeling to the underground space data in addition to stratum, will be three-dimensional by range of single map sheet Physical model carries out framing and establishes model；
Layered shaping: underground space data of the layered shaping in addition to stratum, after framing is handled three-dimensional entity model according to Data type is divided into many levels；
Model segmentation: underground space data of the piecemeal processing in addition to stratum carry out three-dimensional entity model after layered shaping Piecemeal processing；
Storage model: the model after dividing processing is named by unified naming rule and is imported in model library；
It generates spatial index: establishing the spatial index to physical model: generating spatial index file, and will be in model library Physical model reference information is stored in the leaf node of spatial index.
A kind of three-dimensional underground space full feature model real-time browsing method as shown in Figure 7, in which:
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data: by underground space model not Congener model is merged and is scheduled the three-dimensional underground space total factor data of display after being uniformly processed；
The specific steps that three-dimensional underground space total factor data are carried out with real-time dynamic mutual exclusion scheduling browsing are as follows:
Other underground space models: the real-time change in space of points orientation according to the observation, spatial index calling pair are obtained in real time Answer underground space physical model at position；
In specific embodiment, the underground space data can are as follows: Underground Pipeline Data, pile foundation data, pattern foundation pit supporting structure data, Underground Rail Transit data, market place builet below the ground data, underground parking field data, other underground buildings or structures data.
In specific embodiment, the modeling regional scope may include the polygon body region of the location of current observation point.
In specific embodiment, the modeling region can be the polygon body region that plane section is triangle.
In specific embodiment, the modeling region can be sphere.
In specific embodiment, the modeling region can be the Four-sided Body Area that plane section is quadrangle.
In specific embodiment, the modeling region can be the polygon body region that plane section is irregular figure.
In specific embodiment, the inside in the modeling region is in hollow structure.
In specific embodiment, the volume in the modeling region is 1 cubic metre.
In specific embodiment, the volume in the modeling region is 500 cubic metres.
In specific embodiment, the volume in the modeling region is 20000000 cubic metres.
Three-dimensional underground space data are wanted entirely using this method to elaborate with a specific implementation case below The extraction of element obtains the model method of underground space Real-Time Scheduling.Using this three-dimensional underground space full feature model displaying live view side Method can selectively observe the threedimensional model of the total factor of the underground space data around point of observation in real time, can also be over the ground Each element of down space passes through threedimensional model respectively and is shown, will dispatch in the present embodiment and display underground utilities are three-dimensional Model, the threedimensional model of the underground buildings object such as Underground Rail Transit facility and market place builet below the ground, underground parking.
By underground utilities, the ground such as Underground Rail Transit facility and market place builet below the ground, underground parking in underground space data The data information of lower construction of structures carries out initial data arrangement respectively, finds out the data of required threedimensional model within the scope of solid modelling Associated documents.Hierarchical partition and perfect, the every layer data progress electronization that then will acquire are carried out further according to these documents Standard processing, is stored according to different storage formats.
By in underground space data Underground Rail Transit data and underground parking field data, market place builet below the ground data respectively into Row initial data arranges, and finds out the data associated documents of required threedimensional model within the scope of solid modelling.Further according to these documents into Row hierarchical partition and perfect, the electronic standard processing of the every layer data progress that then will acquire, according to different storage lattice Formula is stored.
The spatial dimension that related data is obtained from the file after electronization, in spatial dimension to spatial positional information and Attribute information extracts, data information needed for obtaining detailed three-dimensional modeling.Data information after extraction is passed through into processing Software carries out processing and is stored according to storage format needed for three-dimensional drawing, to obtain Underground Rail Transit, underground is stopped Data needed for parking lot, market place builet below the ground.
Computer checks treated Underground Rail Transit, underground parking, market place builet below the ground, to abnormal data into Row is rejected.These data are audited by way of manual inspection again, exception information and error message are handled.Really These fixed data are without by treated, data are stored into database again after any objection.
In specific embodiment by Underground Rail Transit shown by two width map sheets, underground parking, market place builet below the ground company side Data are checked emphatically, and error message is modified.Confirm it is errorless after stored further according to the classifications of each data.
Underground utilities in underground space data are subjected to initial data arrangement.Different classes of according to pipeline passes through drawing Obtain the spatial dimension of natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline line and sewage treatment pipeline. These drawings are subjected to hierarchical partition and perfect, it then respectively will display natural gas pipeline, power pipeline, heating pipeline, logical The drawing of news pipeline, water distribution pipeline line and sewage treating tube line number evidence carries out electronic standard processing respectively, according to each pipeline Generic these data stored store into relevant database.
Natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline are obtained from the file after electronization The spatial dimension of line and sewage treatment pipeline related data, will be as desired to the space bit for wanting required pipeline in spatial dimension Confidence breath and attribute information extract, and obtain detailed natural gas pipeline, power pipeline, heating pipeline, communication pipeline, transmission & distribution Data information needed for water pipeline and sewage treatment pipeline three-dimensional modeling.Data information after extraction is carried out by processing software It handles and is stored according to storage format needed for three-dimensional drawing.
By computer to treated natural gas pipeline, power pipeline, heating pipeline, communication pipeline, water distribution pipeline line With sewage treating tube line number according to being checked, abnormal data is rejected.Again to these data by way of manual inspection It is audited, exception information and error message is handled.Determine that treated counts these data without inciting somebody to action again after any objection According to storage into database.
When there is new pipe installation, the drawing for recording new pipeline data is subjected to electronic disposal and data processing again It audits by data and is merged with the pipeline information in raw data base, improve the data in database.
Point of observation is first set, the point centered on point of observation, and along the central point respectively to left part, front and right part divergent contour At a modeling regional scope, subsurface three-dimensional space can be observed in real time by guaranteeing to move in the point of observation to all directions Threedimensional model.Wherein, in the present case using point of observation as origin, 20 meters are extended upwards respectively along point of observation, to the left and right two Side respectively extends 50 meters, wherein the angle of the left and right sides is 120 degree of formation, one triangle centrum, determines that the range in modeling region is 39000 cubic metres.
Extract real-time underground space threedimensional model: underground utilities, underground are transferred respectively in the database before model construction The data of the underground buildings object such as rail traffic, market place builet below the ground and underground parking.Data after transferring carry out framing modeling, Three-dimensional entity model is wherein carried out as range by framing processing using single map sheet and establishes model according to map sheet.Finally by map sheet point Model after solution carries out piecemeal processing, wherein can choose the mode of 2X2 or map sheet is carried out piecemeal processing by the mode of 4X4.
The model of framing, piecemeal is named according to unified naming rule, and the sectional pattern after name is imported It is stored into model library.It needs to quote the entity model information in model library according to modeling, and these is quoted Information is stored in the leaf node of spatial index, facilitates the Dynamically Announce of three-dimensional underground space full feature model Real-Time Scheduling.
It can be by quaternary tree form to underground utilities, Underground Rail Transit and underground building object mould in specific embodiment Type carries out Real-Time Scheduling.
It can be by Octree form to underground utilities, Underground Rail Transit and underground building object mould in specific embodiment Type carries out Real-Time Scheduling.
It will be merged containing the underground spaces model such as underground utilities, Underground Rail Transit and underground building object and uniformly Real-time dynamic mutual exclusion scheduling browsing is carried out after processing.
According to the observation the real-time change in space of points orientation and obtain the three-dimensional underground space mould at corresponding spatial position in real time Type.
In specific embodiment, it is aobvious that the demand that can obtain according to the observation carries out Real-Time Scheduling to different underground utilities models Show.
In specific embodiment, the underground space data can are as follows: Underground Pipeline Data, pile foundation data, pattern foundation pit supporting structure data, Underground Rail Transit data, market place builet below the ground data, underground parking field data, other underground buildings or structures data.
In specific embodiment, the modeling regional scope may include the triangle centrum area of the location of current observation point Domain.
It can be seen that:
Three-dimensional underground space full feature model real-time browsing method in the embodiment of the present invention can satisfy:
By to data carry out it is pretreated on the basis of, using data digging method, by syntax, semanteme and model Three-dimensional space data Seamless integration- in level, real-time implementation multi-source data effectively integrate and the underground space of various scales three Tie up the efficient creation of scene；It is simulated by the distribution situation to stratum, realizes the dynamic of underground space total factor data model State Real-Time Scheduling improves science, the safety of urban underground space planning.Solves current stratigraphic model exhibition method list One, underground space model display only stresses the problem of single element, improves the unified displaying of the underground space, management and analysis water It is flat.Change to reach by the visual angle of observer and can show underground space scene in three dimensions in real time, realizes multi-platform It is data integrated；Completely new experience is brought for said three-dimensional body frame model browsing, promotes true to nature, fine modeling effect.For city City construction especially to the following smart city build in underground space information acquisition and constructing plan on play it is important Foundation and large-scale developing and utilizing for urban underground space resource has been driven in the fast development of urban construction.It is fixed to advance city To, orderly development, and advance the three-dimensional development of city space and the development and utilization of underground commerce traffic；Sufficiently development and utilization The protection potential of Underground Space Resource, improves Comprehensive Disaster Prevention for Cities capability to resist destruction.
Although depicting the embodiment of the present invention by embodiment, it will be appreciated by the skilled addressee that there are many present invention Deformation and variation are without departing from spirit of the invention, it is desirable to which the attached claims include these deformations and change without departing from this The spirit of invention.

Claims (4)

1. a kind of three-dimensional underground space full feature model real-time browsing method, which comprises the steps of:
The unitized processing of underground space source data；
Threedimensional model dynamic construction is carried out to formation data；
Physical model building is carried out to the underground space data in addition to stratum；
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data；
The unitized processing of the underground space source data: underground space data are arranged, is hierarchical partition, perfect, then The every layer data that will acquire carries out electronic standard processing, is stored according to different storage formats；
The specific steps of the unitized processing of the underground space source data are as follows:
Data are uniformly processed: the underground space data of different storage forms are carried out unified storage form processing；
Sequence, number: the formation data in the underground space data of unified storage form is ranked up according to depth, and root Formation data is numbered according to unified coding rule；
Signal auditing: exception information and error message are handled by computer and artificial inspection two ways；
Data storage: by treated, underground space data are respectively stored into database according to different classes of；
Data processing: the data information of persistent collection is subjected to unified format and handles and is numbered；
Database is perfect: blending by the data information memory of update into database and with legacy data, improves database letter Breath；
It is described to formation data carry out threedimensional model dynamic construction: based on formation data, with the Orientation differences of observation point into The threedimensional model of strata condition in Mobile state building reflection certain area coverage；
The specific steps that threedimensional model dynamic construction is carried out to formation data are as follows:
Construct regional scope to determine: point works as front direction and position computation modeling regional scope according to the observation, is with current observation point Center determines modeling regional scope with certain radius；
Data decimation: being selected using spatial overlay analysis wait model the formation data in region, and formation information is compiled according to stratum Number successively extract, determine the threedimensional model institutional framework on each stratum；
It constructs grid insertion point: based on the formation data that spatial overlay analysis is selected, constructing grid according to earth formation Insertion point；
Data structure building: the point characterized by the grid insertion point of building generates suitable space gengon data structure；
It forms threedimensional model: space gengon data structure being subjected to rendering visualization, forms the stratum threedimensional model that can be shown；
Real-time dynamic mutual exclusion scheduling browsing is carried out to three-dimensional underground space total factor data: by stratigraphic model and other underground spaces Model is merged and is scheduled the three-dimensional underground space total factor data of display after being uniformly processed；
Physical model building is carried out to the underground space data in addition to stratum: for other underground space data in addition to stratum, Carry out the foundation of structural strength test；
The described pair of underground space data in addition to stratum carry out the specific steps of physical model building are as follows:
Framing modeling: carrying out framing modeling to the underground space data in addition to stratum, is range by 3D solid using single map sheet Model carries out framing and establishes model；
Layered shaping: underground space data of the layered shaping in addition to stratum, three-dimensional entity model is according to data after framing is handled Type division is many levels；
Model segmentation: three-dimensional entity model after layered shaping is carried out piecemeal by underground space data of the piecemeal processing in addition to stratum Processing；
Storage model: the model after dividing processing is named by unified naming rule and is imported in model library；
It generates spatial index: establishing to the spatial index of physical model: generating spatial index file, and by the entity in model library Model reference information is stored in the leaf node of spatial index；
The specific steps that three-dimensional underground space total factor data are carried out with real-time dynamic mutual exclusion scheduling browsing are as follows:
Stratigraphic model: the real-time change in space of points orientation according to the observation is obtained in real time, constructs corresponding position dimensionally in real time Layer model；
Other underground space models: the real-time change in space of points orientation according to the observation are obtained in real time, and spatial index calls corresponding position Set other underground space physical models of the place in addition to stratigraphic model；
Extract real-time underground space mutual exclusion model: real with other underground spaces when there is stratigraphic model during Real-Time Scheduling When body Model overlaps, other underground space physical models of coincidence are determined according to spatial relationship, extract its of coincidence Its underground space physical model outer surface；
The part that surface of stratum is overlapped with other underground space physical models outer surface is calculated, the table of strata face being overlapped is hidden Point；
When stratigraphic model and other underground space physical models are there is no when overlaping, hiding surface of stratum part is shown again Show.
2. a kind of three-dimensional underground space full feature model real-time browsing method according to claim 1, it is characterised in that: Stratum set-up procedure is equipped between data decimation and building grid insertion point；The wherein specific steps of stratum adjustment are as follows:
Stratum adjustment: other earth formations associated with the stratum are adjusted according to lacuna, stratum lenticular body situation；
The specific steps of the stratum adjustment are as follows:
It is adjusted in real time and the formation data and associated therewith according to the lacuna situation and the stratum lenticular body situation Other earth formations of connection；
When the underground space data for having hidden layer, around minimum distance underground space data correlation earth formation Meeting pinching therebetween, while adjusting the structure on the adjacent the upper and lower stratum of the hidden layer；
When the underground space data for having lenticular body stratum, associated earth formation can around it minimum distance underground Pinching between spatial data, while adjusting the structure on the adjacent the upper and lower stratum in the lenticular body stratum.
3. a kind of three-dimensional underground space full feature model real-time browsing method according to claim 1, which is characterized in that Underground space data are carried out to be equipped with classification processing step between model segmentation and storage model；Wherein it is classified the specific step of processing Suddenly are as follows:
Classification processing: underground space data of the classification processing in addition to stratum, by the three-dimensional entity model after piecemeal according to different journeys The display level of degree, the face that carries out is deleted and texture compression operation, forms multi-level model.
4. a kind of three-dimensional underground space full feature model real-time browsing method according to claim 1, which is characterized in that institute It is visually specific to state the rendering for carrying out space gengon data structure in rendering visualization to be formed in threedimensional model step Step are as follows: by the unitized processing of stratigraphic signature legend；According to the axial direction in face where the coordinate and coordinate of each point of model, calculate The normal coordinate of coordinate；Texture coordinate or color coordinates are calculated according to normal coordinate；Texture, color are set.
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