CN110362726A - A kind of urban underground water drainage pipe network data supplement improving method and system - Google Patents
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Abstract
The present invention provides a kind of urban underground water drainage pipe network data supplement improving method and system, and wherein method includes tubular type label, further comprising the steps of: according to topology filling caliber or section configuration data；Pipeline is set and refers to DEM；Elevation is filled according to topological relation；Elevation is filled according to default buried depth.A kind of urban underground water drainage pipe network data supplement improving method proposed by the present invention and system, it provides a kind of urban pipe network data attribute and is automatically replenished perfect scheme, using based on spatial relationship realization data compensation process and based on pipeline than drop filling height value method, can automatically and quickly the data to Urban Underground pipe network supplement it is perfect.
Description
Technical field
The present invention relates to the technical field of subdrainage pipe network, especially a kind of urban underground water drainage pipe network data has been supplemented
Kind method and system.
Background technique
The digitlization of urban pipe network data include plane coordinates, ground elevation, upstream tube bottom elevation, downstream tube bottom elevation,
Data such as caliber or section configuration, but there are a large amount of attributes to lack for the data of actual storage management, be unable to satisfy city management,
The business demands such as flood control.
Master's thesis " the urban pipe network space number of disclosed Yan Yuyao in " The Chinese Geology Univ. (Beijing) " in 2012
Design and realize according to quality control system ", using urban pipe network spatial data as main study subject, in big quantity space of analyzing and researching
It is complete from theory into action the characteristics of according to the division of different quality element, data model on the basis of the codes and standards of data
Discuss to plane system the technology and methods of quality control, assessment of result.Although the paper analyzes urban pipe network spatial data
The rule model and method of quality examination propose the rule that pipe network data automaticly inspects, but imperfect to the supplement of data
It is proposed quickly reasonable scheme.
Summary of the invention
In order to solve the above technical problems, a kind of urban underground water drainage pipe network data supplement proposed by the present invention improves side
Method and system provide a kind of urban pipe network data attribute and are automatically replenished perfect scheme, utilize the realization based on spatial relationship
Data compensation process and based on pipeline than drop filling height value method, can be automatically and quickly to Urban Underground pipe network
Data supplement perfect.
The first object of the present invention is to provide a kind of urban underground water drainage pipe network data supplement improving method, including pipe fitting
Phenotypic marker, further comprising the steps of:
Step 1: according to topology filling caliber or section configuration data；
Step 2: setting pipeline refers to DEM；
Step 3: elevation is filled according to topological relation；
Step 4: elevation is filled according to default buried depth.
Preferably, the tubular type label includes the pipe according to existing caliber data manual analysis main pipe and branch pipe
Pipeline is divided into main pipe and branch pipe according to the caliber threshold value by diameter threshold value.
In any of the above-described scheme preferably, the step 1 further includes calculating all pipes being attached thereto with the pipeline
The angle of line takes the pipe width of the smallest pipeline of angle to be assigned to the pipeline.
In any of the above-described scheme preferably, the angle includes the angle of main pipe and main pipe and/or branch pipe and branch pipe.
In any of the above-described scheme preferably, the calculation method of the angle the following steps are included:
Step 11: cosine value cos θ is calculated by upstream and downstream node location to each root canal line；
Step 12: calculating anticosine result B, B=arccos (cos θ) using inverse cosine function arccos；
Step 13: taking min | Bn-B0| the root canal line caliber or section configuration, wherein n is represented to be connect with the pipeline section
Nth pipeline section.
In any of the above-described scheme preferably, the calculation formula of cosine value cos θ is
Wherein (x1, y1), (x2, y2) it is pipeline starting point spatial coordinate location.
In any of the above-described scheme preferably, the step 2 is including the use of elevation informations such as dem data or grid files
Run of designing upstream and downstream elevation reference value, pipeline elevation maximum value are DEM- buried depth-caliber.
In any of the above-described scheme preferably, the step 4 include according to topological relation fill height value and/or according to
Height value is filled than drop.
In any of the above-described scheme preferably, it is described according to topological relation fill height value include upstream elevation filling
And/or downstream elevation filling.
In any of the above-described scheme preferably, the upstream elevation, which is filled, refers to the downstream elevation for working as the pipeline that is connected not
When being 0, the downstream node elevation for all pipelines being connected with the line upstream node is found, is minimized.
In any of the above-described scheme preferably, downstream elevation filling refer to the pipeline that is connected upstream elevation not
When being 0, the upstream node elevation for all pipelines being connected with the line downstream node is found, is maximized.
In any of the above-described scheme preferably, described to refer to according to than drop filling height value when a certain root canal line only has one
A upstream elevation or downstream elevation calculate another node elevation value according to than drop.
In any of the above-described scheme preferably, the fill method of the upstream elevation are as follows:
z1=z2+i×L
Wherein, z1For upstream height value, z2For downstream height value, i is pipeline section than drop, and L is length of pipe section.
In any of the above-described scheme preferably, the fill method of the downstream elevation are as follows:
z2=z1-i×L
Wherein, z1For upstream height value, z2For downstream height value, i is pipeline section than drop, and L is length of pipe section.
In any of the above-described scheme preferably, the step 4 carries out elevation to water inlet pipeline including the use of DEM information
Assignment, pipeline elevation are DEM- buried depth-caliber, then fill elevation according to topological relation.
The second object of the present invention is to provide a kind of urban underground water drainage pipe network data supplement sophisticated systems, including for managing
The pipe fitting mark module of part type mark, further includes with lower module:
Database population module: for according to topology filling caliber or section configuration data；
DEM setup module: for pipeline to be arranged with reference to DEM；
Elevation fills module: for filling elevation according to topological relation and/or default buried depth.
Preferably, the pipe fitting mark module is also used to according to existing caliber data manual analysis main pipe and branch pipe
Pipeline is divided into main pipe and branch pipe according to the caliber threshold value by caliber threshold value.
In any of the above-described scheme preferably, the database population module is also used to what calculating was attached thereto with the pipeline
The angle of all pipelines takes the pipe width of the smallest pipeline of angle to be assigned to the pipeline.
In any of the above-described scheme preferably, the angle includes the angle of main pipe and main pipe and/or branch pipe and branch pipe.
In any of the above-described scheme preferably, the calculation method of the angle the following steps are included:
Step 11: cosine value cos θ is calculated by upstream and downstream node location to each root canal line；
Step 12: calculating anticosine result B, B=arccos (cos θ) using inverse cosine function arccos；
Step 13: taking min | Bn-B0| the root canal line caliber or section configuration, wherein n is represented to be connect with the pipeline section
Nth pipeline section.
In any of the above-described scheme preferably, the calculation formula of cosine value cos θ is
Wherein (x1, y1), (x2, y2) it is pipeline starting point spatial coordinate location.
In any of the above-described scheme preferably, the DEM setup module is also used to utilize dem data and/or grid text
Part elevation information run of designing upstream and downstream elevation reference value, pipeline elevation maximum value are DEM- buried depth-caliber.
In any of the above-described scheme preferably, the elevation filling module is used to fill height value according to topological relation
And/or height value is filled according to than drop.
In any of the above-described scheme preferably, it is described according to topological relation fill height value include upstream elevation filling
And/or downstream elevation filling.
In any of the above-described scheme preferably, the upstream elevation, which is filled, refers to the downstream elevation for working as the pipeline that is connected not
When being 0, the downstream node elevation for all pipelines being connected with the line upstream node is found, is minimized.
In any of the above-described scheme preferably, downstream elevation filling refer to the pipeline that is connected upstream elevation not
When being 0, the upstream node elevation for all pipelines being connected with the line downstream node is found, is maximized.
In any of the above-described scheme preferably, described to refer to according to than drop filling height value when a certain root canal line only has one
A upstream elevation or downstream elevation calculate another node elevation value according to than drop.
In any of the above-described scheme preferably, the fill method of the upstream elevation are as follows:
z1=z2+i×L
Wherein, z1For upstream height value, z2For downstream height value, i is pipeline section than drop, and L is length of pipe section.
In any of the above-described scheme preferably, the fill method of the downstream elevation are as follows:
z2=z1-i×L
Wherein, z1For upstream height value, z2For downstream height value, i is pipeline section than drop, and L is length of pipe section.
In any of the above-described scheme preferably, elevation filling module is stated to be also used to using DEM information to water inlet pipeline
Elevation assignment is carried out, pipeline elevation is DEM- buried depth-caliber, then fills elevation according to topological relation.
The invention proposes a kind of urban underground water drainage pipe network data supplement improving method and systems, give network topology
A kind of urban pipe network data attribute is provided in conjunction with practical pipe-networks engineering actual conditions and is automatically replenished perfect scheme, after improving
Pipe network can provide scientific, reasonable, complete data supporting for business such as city management, flood controls.
Detailed description of the invention
Fig. 1 is the process for the preferred embodiment that urban underground water drainage pipe network data according to the invention supplements improving method
Figure.
Fig. 2 is the module for the preferred embodiment that urban underground water drainage pipe network data according to the invention supplements sophisticated systems
Figure.
Fig. 3 is the water for another preferred embodiment that urban underground water drainage pipe network data according to the invention supplements improving method
Body extracts model flow figure.
Specific embodiment
The present invention is further elaborated with specific embodiment with reference to the accompanying drawing.
Embodiment one
A kind of urban underground water drainage pipe network data supplement improving method, as shown in Figure 1, executing step 100, tubular type mark
Note, according to the caliber threshold value of existing caliber data manual analysis main pipe and branch pipe, distinguishes pipeline according to the caliber threshold value
For main pipe and branch pipe.
Step 110 is executed, according to topology filling caliber or section configuration data.It calculates and owns with what the pipeline was attached thereto
The angle of pipeline, takes the pipe width of the smallest pipeline of angle to be assigned to the pipeline, and angle includes main pipe and main pipe and/or branch pipe and branch
The angle of pipe.The calculation method of angle the following steps are included:
Step 111, cosine value cos θ, the calculating of cosine value cos θ are calculated by upstream and downstream node location to each root canal line
Formula isWherein (x1, y1), (x2, y2) it is pipeline starting point spatial coordinate location.Step
Rapid 112: calculating anticosine result B, B=arccos (cos θ) using inverse cosine function arccos；Step 113: taking min | Bn-B0|
The root canal line caliber or section configuration, wherein n, which is represented, connect nth pipeline section with the pipeline section.
Step 120 is executed, setting pipeline refers to DEM, using on the elevation informations run of designing such as dem data or grid file
Downstream elevation reference value, pipeline elevation maximum value are DEM- buried depth-caliber.
Step 130 is executed, elevation is filled according to topological relation, height value is filled according to topological relation and/or according to than drop
Fill height value.Filling height value according to topological relation includes the filling of upstream elevation and/or the filling of downstream elevation.Upstream elevation is filled out
It fills and refers to when the downstream elevation for the pipeline that is connected is not 0, find the downstream for all pipelines being connected with the line upstream node
Node elevation is minimized.Elevation filling in downstream refers to when the upstream elevation for the pipeline that is connected is not 0, finds and the pipeline
The upstream node elevation of the connected all pipelines of downstream node, is maximized.Refer to according to than drop filling height value when a certain
Only one upstream elevation of pipeline or downstream elevation calculate another node elevation value according to than drop.The filling of upstream elevation
Method are as follows: z1=z2+ i × L, the fill method of downstream elevation are as follows: z2=z1- i × L, wherein z1For upstream height value, z2For under
Height value is swum, i is pipeline section than drop, and L is length of pipe section.
Step 140 is executed, elevation is filled according to default buried depth, elevation assignment is carried out to water inlet pipeline using DEM information,
Pipeline elevation is DEM- buried depth-caliber, then fills elevation according to topological relation.
Embodiment two
As shown in Fig. 2, a kind of urban underground water drainage pipe network data supplements sophisticated systems, including pipe fitting mark module 200, number
Module 230 is filled according to filling module 210, DEM setup module 220 and elevation.
Pipe fitting mark module 200: it is marked for tubular type, according to existing caliber data manual analysis main pipe and branch pipe
Caliber threshold value, pipeline is divided by main pipe and branch pipe according to the caliber threshold value.
Database population module 210: for according to topology filling caliber or section configuration data, calculating and pipeline phase therewith
The angle of all pipelines even, takes the pipe width of the smallest pipeline of angle to be assigned to the pipeline.Wherein, angle includes main pipe and main pipe
And/or the angle of branch pipe and branch pipe.The calculation method of angle is the following steps are included: step 11: passing through up and down to each root canal line
It swims node location and calculates cosine value cos θ；The calculation formula of cosine value cos θ isWherein
(x1, y1), (x2, y2) it is pipeline starting point spatial coordinate location.Step 12: calculating β using inverse cosine function arccos；Step
13: taking min | βn-β0| the root canal line caliber or section configuration, wherein n, which is represented, connect nth pipeline section with the pipeline section.
DEM setup module 220: for pipeline to be arranged with reference to DEM, dem data and/or grid file elevation information meter are utilized
Pipeline section upstream and downstream elevation reference value is calculated, pipeline elevation maximum value is DEM- buried depth-caliber.
Elevation fills module 230: for filling elevation according to topological relation and/or default buried depth.Wherein, elevation fill mould
Block 230 is used to fill height value according to topological relation and/or fills height value according to than drop.1) elevation filling in upstream, which refers to, works as phase
When the downstream elevation of connecting leg line is not 0, the downstream node elevation for all pipelines being connected with the line upstream node is found, is taken
Minimum value；Elevation filling in downstream refers to when the upstream elevation for the pipeline that is connected is not 0, finds and is connected with the line downstream node
All pipelines upstream node elevation, be maximized.2) refer to according to than drop filling height value when a certain root canal line only has one
A upstream elevation or downstream elevation calculate another node elevation value according to than drop.The fill method of upstream elevation are as follows: z1=
z2+i×L；The fill method of downstream elevation are as follows: z2=z1- i × L, wherein z1For upstream height value, z2For downstream height value, i is
For pipeline section than drop, L is length of pipe section.Elevation filling module 230 is also used to carry out elevation tax to water inlet pipeline using DEM information
Value, pipeline elevation are DEM- buried depth-caliber, then fill elevation according to topological relation.
Embodiment three
The present invention is supplied to network topology and provides a kind of urban pipe network number in conjunction with practical pipe-networks engineering actual conditions
Perfect scheme is automatically replenished according to attribute, the pipe network after improving can be provided for business such as city management, flood controls science, it is reasonable,
Complete data supporting.
Urban pipe network data are digitized, the pipeline attribute after digitlization include upstream bottom elevation, downstream bottom elevation,
Parameters, the digital models such as caliber, pipeline type (main pipe or branch pipe), buried depth are as shown in Figure 3.
During subsoil drain network data, the case where there are shortage of data, can not commence business application, city
It includes that pipeline type label, caliber or the filling of section configuration data, pipeline refer to DEM that pipe network data, which is automatically replenished perfect method,
Setting fills elevation according to topological relation, is as shown in Figure 1 according to processes, processes such as buried depth filling elevations.
Step 1: pipeline type label: according to the caliber threshold value of existing caliber data manual analysis main pipe and branch pipe, root
Pipeline is divided into main pipe and branch pipe according to the threshold value；
Step 2: according to topology filling caliber or section configuration data: calculating all pipelines being attached thereto with the pipeline
Angle (for main pipe compared with main pipe, branch pipe is compared with branch pipe).The pipe width of the smallest pipeline of angle is taken to be assigned to the pipeline；
Step 3: pipeline is arranged with reference to DEM: utilizing the elevation informations run of designing upstream and downstream such as dem data or grid file
Elevation reference value, pipeline elevation maximum value are DEM- buried depth-caliber.
Step 4: elevation is filled according to topological relation:
(1) height value is filled according to topological relation
1. upstream elevation is filled: looking for the downstream node elevation for all pipelines being connected with the line upstream node, take minimum
Value.(operation is only executed when the downstream elevation for the pipeline that is connected is not 0.)
2. downstream elevation is filled: looking for the upstream node elevation for all pipelines being connected with the line downstream node, take maximum
Value.(operation is only executed when the upstream elevation for the pipeline that is connected is not 0.)
(2) height value is filled according to than drop
Such as only one upstream elevation of a certain root canal line or downstream elevation, another node elevation is calculated according to than drop
Value,
Step 5: elevation is filled according to default buried depth: elevation assignment, pipeline is carried out to water inlet pipeline using DEM information
Elevation is DEM- buried depth-caliber, then fills elevation according to topological relation using step 4.
Example IV
Describe the realization data compensation process based on spatial relationship in detail in the present embodiment.
Calculate the angle for all pipelines being attached thereto with the pipeline (for main pipe compared with main pipe, branch pipe is compared with branch pipe).
The caliber or section configuration for taking the smallest pipeline of angle are assigned to the pipeline.Angle calcu-lation method: each root canal line is passed through upper
Downstream node position calculates cosine value cos θ, and inverse cosine function arccos is recycled to calculate anticosine result B, B=arccos
(cos θ), takes min | Bn-B0| the root canal line caliber or section configuration.Its calculation method is as follows:
Wherein (x1,y1), (x2,y2) it is pipeline starting point spatial coordinate location.
Embodiment five
Describe the method based on pipeline than drop filling height value in detail in the present embodiment.
Such as only one upstream bottom elevation of pipeline or downstream bottom elevation, another node bottom elevation is calculated according to than drop
Value,
1. upstream elevation fill method:
z1=z2+i*L
2. downstream elevation fill method:
z2=z1-i*L
z1--- upstream height value；
z2--- downstream height value；
L --- length of pipe section；
I --- pipeline section is than drop.
For a better understanding of the present invention, the above combination specific embodiments of the present invention are described in detail, but are not
Limitation of the present invention.Any simple modification made to the above embodiment according to the technical essence of the invention, still belongs to
In the range of technical solution of the present invention.In this specification the highlights of each of the examples are it is different from other embodiments it
Locate, the same or similar part cross-reference between each embodiment.For system embodiments, due to itself and method
Embodiment corresponds to substantially, so being described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
Claims (10)
1. a kind of urban underground water drainage pipe network data supplements improving method, including tubular type label, which is characterized in that further include
Following steps:
Step 1: according to topology filling caliber or section configuration data；
Step 2: setting pipeline refers to DEM；
Step 3: elevation is filled according to topological relation；
Step 4: elevation is filled according to default buried depth.
2. urban underground water drainage pipe network data as described in claim 1 supplements improving method, which is characterized in that the pipe fitting
Phenotypic marker includes the caliber threshold value according to existing caliber data manual analysis main pipe and branch pipe, will be managed according to the caliber threshold value
Line divides into main pipe and branch pipe.
3. urban underground water drainage pipe network data as described in claim 1 supplements improving method, which is characterized in that the step 1
Further include the angle for calculating all pipelines being attached thereto with the pipeline, the pipe width of the smallest pipeline of angle is taken to be assigned to the pipe
Line.
4. urban underground water drainage pipe network data as claimed in claim 3 supplements improving method, which is characterized in that the angle packet
Include the angle of main pipe and main pipe and/or branch pipe and branch pipe.
5. urban underground water drainage pipe network data as claimed in claim 4 supplements improving method, which is characterized in that the angle
Calculation method the following steps are included:
Step 11: cosine value cos θ is calculated by upstream and downstream node location to each root canal line；
Step 12: calculating anticosine result B, B=arccos (cos θ) using inverse cosine function arccos；
Step 13: taking min | Bn-B0| the root canal line caliber or section configuration, wherein n, which is represented, connect n-th with the pipeline section
Pipeline section.
6. urban underground water drainage pipe network data as claimed in claim 5 supplements improving method, which is characterized in that cosine value cos θ
Calculation formula be
Wherein (x1, y1), (x2, y2) it is pipeline starting point spatial coordinate location.
7. urban underground water drainage pipe network data as described in claim 1 supplements improving method, which is characterized in that the step 2
Including the use of the elevation informations run of designing upstream and downstream elevation reference value such as dem data or grid file, pipeline elevation maximum value is
DEM- buried depth-caliber.
8. urban underground water drainage pipe network data as described in claim 1 supplements improving method, which is characterized in that the step 3
Including filling height value according to topological relation and/or filling height value according to than drop.
9. urban underground water drainage pipe network data as claimed in claim 8 supplements improving method, which is characterized in that the basis is opened up
Flutterring relationship filling height value includes the filling of upstream elevation and/or the filling of downstream elevation.
10. a kind of urban underground water drainage pipe network data supplements sophisticated systems, the pipe fitting including marking for tubular type marks mould
Block, which is characterized in that further include with lower module:
Database population module: for according to topology filling caliber or section configuration data；
DEM setup module: for pipeline to be arranged with reference to DEM；
Elevation fills module: for filling elevation according to topological relation and/or default buried depth.
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| CN114117946A (en) * | 2022-01-26 | 2022-03-01 | 浙江大学 | Method and device for preprocessing drainage pipe network data |
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