CN108009942A - Topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process - Google Patents
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Abstract
Topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process, belong to municipal works pipe network information technical field.This method is after network topology is automatically created using water-supply line GIS figure layers and deletes isolated pipeline section and node, according to the connection relation of the connection relation of adjacent node pair, node and pipeline section in topological structure, batch inspection and calibration modifications are carried out to the connective of network topology.First, the distance between the nodal information calculate node pair according to derived to water model, and filter out the abnormal adjacent node pair of distance；Then, the pipeline section connection adjusted the distance between abnormal node pair checks；Finally to the connected pipeline section of nothing apart from correction of the abnormal nodes to progress topological structure.The invention provide topological structure connectivity checks with correction method, quick and precisely and can batch type operation, important meaning is built with to water supply network.
Description
Technical field
Demand is built towards city water-supply pipe network hydraulic model the present invention relates to one kind, pipelines GIS figure layer is automatically created
The connective batch that carries out of network topology check method with calibration modifications, belong to municipal works pipe network information technology neck
Domain.
Background technology
Water distribution hydraulic model is established, is the important step of water supply runtime informationization, serve a town with water pipe network
Planning, operational management and Optimized Operation provide theoretical foundation.To ensure the accuracy of the hydraulic model of foundation, it is necessary to feed pipe
The topological structure of net hydraulic model is checked and changed.
Water supply network is a topological structure complexity, network system in large scale.The correctness of network topology will
The accuracy of hydraulic pipeline modeling is directly affected, since the missing or mistake of some basic informations, data input work
The transfer process of carelessness and pipelines GIS figure layer to network topology goes wrong, and causes the topological structure of model to there is mistake
By mistake, so to carry out connectivity checks and modification to pipe net leakage rate.
The content of the invention
The present invention connects in view of the above problems, devising topological structure in a kind of hydraulic model building process to water supply network
Property carry out batch and check that with the methods of calibration modifications, this method be to automatically create pipe network topology using water-supply line GIS figure layers
After structure and the isolated pipeline section of deletion and node, according to the company of the connection relation of adjacent node pair, node and pipeline section in topological structure
Relation is connect, batch inspection and calibration modifications are carried out to the connective of network topology.
Technical solution：Water supply network hydraulic model topological structure connectivity checks of the present invention are with bearing calibration step：
(1) calculate water supply network hydraulic model interior joint to the distance between
The node and pipeline section information in water supply network model are exported first：Nodal scheme ID_node, node coordinate (X, Y),
Pipeline section label ID_pipe, pipeline section upstream and downstream nodal scheme；Pass through model node coordinate (X, Y), all nodes pair of cycle calculations
Between geometric distance d；
(2) the abnormal adjacent node pair of distance is searched
The discrimination threshold f that setting node is adjusted the distance abnormal, whether distance d is less than discrimination threshold between checking all nodes pair
f；If d≤f, by this node to be denoted as " apart from abnormal nodes to "；If saved extremely in the presence of apart from abnormal nodes pair, recording distance
The node number of point pair is ID_node_1, ID_node_2, and this node number is denoted as " apart from abnormal nodes ", carries out step (3)；
Otherwise, go to step (6)；
(3) judge whether be connected directly pipeline section between abnormal nodes pair
In all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_node_1's
Pipeline section, ID_pipe_1 is denoted as by this pipeline section set；In pipeline section set ID_pipe_1, another end of these pipeline sections is searched
Point, its set are denoted as ID_node_1*；
Differentiate in ID_node_1* set and whether contain node number ID_node_2；If so, then apart from abnormal nodes to (ID_
Node_1, ID_node_2) between there is the pipeline section that is connected directly, and topology connectivity is normal, goes to step (6)；If nothing, distance
Abnormal nodes without the pipeline section being connected directly, carry out step (4) to (ID_node_1, ID_node_2)；
(4) judge whether be indirectly connected pipeline section between abnormal nodes pair
4.1 set the parameter for being indirectly connected inspection
In all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_node_1's
Pipeline section, ID_pipe_1 is denoted as by this pipeline section set；In pipeline section set ID_pipe_1, another end of these pipeline sections is searched
Point, its set are denoted as ID_node_1*；
According to the abnormal discrimination threshold f of distance and pipe network actual conditions, setting is indirectly connected pipeline section and differentiates series n, indirectly
Connected inspection is the process of a circular test, and cycle-index is to differentiate series n, differentiates that series n represents to judge adjacent node
N node whether is passed through between and intersegmental connect of respective tube is connected, series i (i=1~n) is represented during circular test
The series being carrying out, the circulation of rear stage i+1, using the result of previous stage i as condition, i.e., by the node set of previous stage i
ID_node_2* is denoted as ID_node_2_S again；In all pipeline section information of rear stage cyclic process pipe net leakage rate, search
Pipeline section containing set of node ID_node_2_S interior joints in the nodal scheme of upstream and downstream, ID_pipe_2_ is denoted as by this pipeline section set
S；In pipeline section set ID_pipe_2_S, another Extreme points set for searching these pipeline sections is denoted as ID_node_2* again；Order inspection
The initial value for looking into series i is 1；
Adjacent node collection of 4.2 inquiries apart from abnormal nodes
If i=1, in all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_
The pipeline section of node_2, ID_pipe_2 is denoted as by this pipeline section set；In pipeline section set ID_pipe_2, the another of these pipeline sections is searched
One Extreme points set is denoted as ID_node_2*；
If i>1, the node set ID_node_2* that previous stage circulates is denoted as ID_node_2_S again；Followed in rear stage
In all pipeline section information of ring process pipe net leakage rate, search to contain in the nodal scheme of upstream and downstream and saved in set of node ID_node_2_S
The pipeline section of point, ID_pipe_2_S is denoted as by this pipeline section set；In pipeline section set ID_pipe_2_S, the another of these pipeline sections is searched
One Extreme points set is denoted as ID_node_2* again；
4.3 differentiations are indirectly connected pipeline section between abnormal nodes pair with the presence or absence of i-stage；
Differentiate whether set ID_node_1* and ID_node_2* has identical node, if so, then adjacent node is to (ID_
Node_1, ID_node_2) between there are the pipeline section that i-stage is indirectly connected, and topology connectivity is normal, goes to step (6)；It is if it is not, adjacent
The pipeline section that nearly node is indirectly connected (ID_node_1, ID_node_2) without i-stage, continues rear stage circulation；
I=i+1 is made again, if i≤n, repeats step 4.2~4.3；If i>N, carries out step (5)；
(5) topological structure corrections of the without connected pipeline section node pair
For node to (ID_node_1, ID_node_2), if without the pipeline section that is directly or indirectly connected, referred to as without phase connecting leg
Duan Jiedian pairs；Differentiate whether the pipeline section quantity in set ID_pipe_1 and ID_pipe_2 is 1, if so, then node ID _
The adjacent tubular segment relation of node_1 and ID_node_2 is simple, can carry out batch modification after being sampled review, increase a pipeline section
Node ID _ node_1 is connected with ID_node_2, increased connection pipeline section attribute information, which is set, refers to ID_pipe_1 or ID_
Pipe_2 pipeline section information；If it is not, then the adjacent tubular segment relation of node ID _ node_1 and ID_node_2 is complicated, need to be according to actual shelves
Case data manual review post-equalization, carries out step 6；
(6) connectivity checks terminate with amendment.
After aforesaid operations step, realize to topological structure connectedness in water supply network hydraulic model building process
Batch checks and calibration modifications, and targetedly carries out manual review to partial-topology structure, improves water supply network waterpower and builds
The accuracy of topological structure in mould.
Note:Wherein f and n can carry out value according to the regional actual conditions for the grid hydraulic model established.
The invention provide topological structure connectivity checks with correction method, quick and precisely and can batch type operation, it is right
Water supply network is built with important meaning.
Brief description of the drawings
Fig. 1 are topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process of the present invention
Technology path；
Fig. 2 are topological structure connectivity checks and bearing calibration in water supply network hydraulic model building process of the present invention
Idiographic flow；
Wherein ID_node is nodal scheme, and X, Y are node coordinate, and ID_pipe is pipeline section label, and f adjusts the distance different for node
Normal discrimination threshold, n differentiate series to be indirectly connected pipeline section；The geometric distance of current check series i, d between node pair,
ID_node_1, ID_node_2 are to label apart from abnormal nodes, and ID_pipe_1 swims nodal scheme for up or down and contains ID_
The pipeline section set of node_1, ID_node_1* are another Extreme points set of pipeline section set ID_pipe_1, and ID_pipe_2 is upper
Or downstream node label contains the pipeline section set of ID_node_2, ID_node_2* is another end of pipeline section set ID_pipe_2
Point set, ID_node_2_S and ID_pipe_2_S are the node and pipeline section set being indirectly connected in checking process.
Fig. 3 is without connected pipeline section and adjacent tubular segment relation simply apart from abnormal nodes to a kind of schematic diagram；
Fig. 4 is without connected pipeline section and adjacent tubular segment relation simply apart from abnormal nodes to a kind of schematic diagram；
Fig. 5 without connected pipeline section and adjacent tubular segment relation it is complicated apart from abnormal nodes to a kind of schematic diagram；
Fig. 6 without connected pipeline section and adjacent tubular segment relation it is complicated apart from abnormal nodes to a kind of schematic diagram；
Fig. 7 have be connected directly pipeline section apart from abnormal nodes to a kind of schematic diagram
Fig. 8 have be connected directly pipeline section apart from abnormal nodes to a kind of schematic diagram；
Fig. 9 have be indirectly connected pipeline section apart from abnormal nodes to a kind of schematic diagram；
Figure 10 have be indirectly connected pipeline section apart from abnormal nodes to a kind of schematic diagram.
Embodiment
With reference to embodiment, the invention will be further described, but the present invention is not limited to following embodiments.
Embodiment 1
Please refer to Fig.1 with shown in Fig. 2, topological structure connectivity checks in water supply network hydraulic model building process of the present invention
With the embodiment of bearing calibration, comprise the following steps that：
1. calculate water supply network hydraulic model interior joint to adjust the distance.
The node and pipeline section information in water supply network model are exported first：Nodal scheme ID_node, node coordinate (X, Y),
Pipeline section label ID_pipe, pipeline section upstream and downstream nodal scheme.Pass through model node coordinate (X, Y), all nodes pair of cycle calculations
Between geometric distance d.
2. search the abnormal adjacent node pair of distance.
The setting node discrimination threshold f=0.5m that adjusts the distance abnormal, checks between all nodes pair whether distance d is less than and sentences
Other threshold value f；If d≤f, by this node to be denoted as " apart from abnormal nodes to ".If in the presence of apart from abnormal nodes pair, recording distance
Node number ID_node_1, ID_node_2 of abnormal nodes pair, and this node number is walked to be denoted as " apart from abnormal nodes "
Rapid 3；Otherwise, 6 are gone to step.
3. judge whether be connected directly pipeline section between abnormal nodes pair.
In all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_node_1's
Pipeline section, ID_pipe_1 is denoted as by this pipeline section set；In pipeline section set ID_pipe_1, another endpoint of these pipeline sections is searched
Set ID_node_1*.
Differentiate in ID_node_1* set and whether contain node number ID_node_2；If so, then apart from abnormal nodes to (ID_
Node_1, ID_node_2) between there is the pipeline section that is connected directly, and topology connectivity is normal, goes to step 6；If nothing, apart from different
Chang Jiedian without the pipeline section being connected directly, carries out step 4 to (ID_node_1, ID_node_2).
4. judge whether be indirectly connected pipeline section between abnormal nodes pair.
4.1 set the series for being indirectly connected inspection.
According to the abnormal discrimination threshold f=0.5m of distance and pipe network actual conditions, setting is indirectly connected pipeline section and differentiates series n
=2, the initial value for making current check series i is 1.
Adjacent node collection of 4.2 inquiries apart from abnormal nodes.
If i≤1, in all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_
The pipeline section of node_2, ID_pipe_2 is denoted as by this pipeline section set；In pipeline section set ID_pipe_2, the another of these pipeline sections is searched
One Extreme points set ID_node_2*.
If i>1, upper cyclic node set ID_node_2* is denoted as ID_node_2_S again；In the institute of pipe net leakage rate
Have in pipeline section information, the pipeline section containing set of node ID_node_2_S interior joints in the nodal scheme of upstream and downstream is searched, by this pipeline section
Set is denoted as ID_pipe_2_S；In pipeline section set ID_pipe_2_S, another Extreme points set of these pipeline sections is searched again
It is denoted as ID_node_2*.
4.3 differentiations are indirectly connected pipeline section between abnormal nodes pair with the presence or absence of i-stage.
Differentiate whether set ID_node_1* and ID_node_2* has identical node, if so, then adjacent node is to (ID_
Node_1, ID_node_2) between there are the pipeline section that i-stage is indirectly connected, and topology connectivity is normal, goes to step 6；It is if it is not, neighbouring
The pipeline section that node is indirectly connected (ID_node_1, ID_node_2) without i-stage.I=i+1 is made, if i≤n, repeats step
4.2~4.3；If i>N, carries out step 5.
5. the topological structure correction without the pipeline section node pair that is connected.
For node to (ID_node_1, ID_node_2), if without the pipeline section that is directly or indirectly connected, referred to as without phase connecting leg
Duan Jiedian pairs.Differentiate whether the pipeline section quantity in set ID_pipe_1 and ID_pipe_2 is 1, if so, then node ID _
The adjacent tubular segment relation of node_1 and ID_node_2 is simple, can carry out batch modification after being sampled review, increase a pipeline section
Node ID _ node_1 is connected with ID_node_2, increased connection pipeline section attribute information, which is set, refers to ID_pipe_1 or ID_
Pipe_2 pipeline section information；If it is not, then the adjacent tubular segment relation of node ID _ node_1 and ID_node_2 is complicated, need to be according to actual shelves
Case data manual review post-equalization, carries out step 6.
6. connectivity checks terminate with amendment.
Note:Wherein f and n will carry out value according to the regional actual conditions for the grid hydraulic model established.
Claims (2)
1. topological structure connectivity checks and bearing calibration in a kind of water supply network hydraulic model building process, it is characterised in that
Comprise the following steps：
(1) calculate water supply network hydraulic model interior joint to the distance between
The node and pipeline section information in water supply network model are exported first：Nodal scheme ID_node, node coordinate (X, Y), pipeline section
Label ID_pipe, pipeline section upstream and downstream nodal scheme；By model node coordinate (X, Y), between all nodes pair of cycle calculations
Geometric distance d；
(2) the abnormal adjacent node pair of distance is searched
The discrimination threshold f that setting node is adjusted the distance abnormal, whether distance d is less than discrimination threshold f between checking all nodes pair；If
D≤f, by this node to be denoted as " apart from abnormal nodes to "；If in the presence of apart from abnormal nodes pair, recording distance abnormal nodes pair
Node number be ID_node_1, ID_node_2, and this node number is denoted as " apart from abnormal nodes ", carries out step (3)；It is no
Then, go to step (6)；
(3) judge whether be connected directly pipeline section between abnormal nodes pair
In all pipeline section information of pipe net leakage rate, the pipe containing node number ID_node_1 in the nodal scheme of upstream and downstream is searched
Section, ID_pipe_1 is denoted as by this pipeline section set；In pipeline section set ID_pipe_1, another endpoint of these pipeline sections is searched,
Its set is denoted as ID_node_1*；
Differentiate in ID_node_1* set and whether contain node number ID_node_2；If so, then apart from abnormal nodes to (ID_
Node_1, ID_node_2) between there is the pipeline section that is connected directly, and topology connectivity is normal, goes to step (6)；If nothing, distance
Abnormal nodes without the pipeline section being connected directly, carry out step (4) to (ID_node_1, ID_node_2)；
(4) judge whether be indirectly connected pipeline section between abnormal nodes pair
4.1 set the parameter for being indirectly connected inspection
In all pipeline section information of pipe net leakage rate, the pipe containing node number ID_node_1 in the nodal scheme of upstream and downstream is searched
Section, ID_pipe_1 is denoted as by this pipeline section set；In pipeline section set ID_pipe_1, another endpoint of these pipeline sections is searched,
Its set is denoted as ID_node_1*；
According to the abnormal discrimination threshold f of distance and pipe network actual conditions, setting is indirectly connected pipeline section and differentiates series n, is indirectly connected
Inspection is the process of a circular test, and cycle-index is to differentiate series n, differentiates that series n represents to judge adjacent node to it
Between whether passed through n node and intersegmental connect of respective tube is connected, series i (i=1~n) is represented during circular test
The series of execution, the circulation of rear stage i+1, using the result of previous stage i as condition, i.e., by the node set ID_ of previous stage i
Node_2* is denoted as ID_node_2_S again；In all pipeline section information of rear stage cyclic process pipe net leakage rate, search upper and lower
The pipeline section containing set of node ID_node_2_S interior joints in nodal scheme is swum, this pipeline section set is denoted as ID_pipe_2_S；
In pipeline section set ID_pipe_2_S, another Extreme points set for searching these pipeline sections is denoted as ID_node_2* again；Order checks level
The initial value of number i is 1；
Adjacent node collection of 4.2 inquiries apart from abnormal nodes
If i=1, in all pipeline section information of pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain node number ID_node_
2 pipeline section, ID_pipe_2 is denoted as by this pipeline section set；In pipeline section set ID_pipe_2, these pipeline sections another is searched
Extreme points set is denoted as ID_node_2*；
If i>1, the node set ID_node_2* that previous stage circulates is denoted as ID_node_2_S again；It is circulated throughout in rear stage
In all pipeline section information of journey pipe net leakage rate, search in the nodal scheme of upstream and downstream and contain set of node ID_node_2_S interior joints
Pipeline section, ID_pipe_2_S is denoted as by this pipeline section set；In pipeline section set ID_pipe_2_S, these pipeline sections another is searched
Extreme points set is denoted as ID_node_2* again；
4.3 differentiations are indirectly connected pipeline section between abnormal nodes pair with the presence or absence of i-stage；
Differentiate whether set ID_node_1* and ID_node_2* has identical node, if so, then adjacent node is to (ID_node_
1, ID_node_2) there are the pipeline section that i-stage is indirectly connected between, and topology connectivity is normal, goes to step (6)；If it is not, neighbouring section
The pipeline section that point is indirectly connected (ID_node_1, ID_node_2) without i-stage, continues rear stage circulation；
I=i+1 is made again, if i≤n, repeats step 4.1~4.3；If i>N, carries out step (5)；
(5) topological structure corrections of the without connected pipeline section node pair
For node to (ID_node_1, ID_node_2), if without the pipeline section that is directly or indirectly connected, it is referred to as without the duct section joint that is connected
Point pair；Differentiate whether the pipeline section quantity in set ID_pipe_1 and ID_pipe_2 is 1, if so, then node ID _ node_1 with
The adjacent tubular segment relation of ID_node_2 is simple, and batch modification can be carried out after being sampled review, increases a pipeline section by node
ID_node_1 is connected with ID_node_2, and increased connection pipeline section attribute information is set manages with reference to ID_pipe_1 or ID_pipe_2
Segment information；If it is not, then the adjacent tubular segment relation of node ID _ node_1 and ID_node_2 is complicated, need to be according to actual archives material people
Work checks post-equalization, carries out step 6；
(6) connectivity checks terminate with amendment.
2. topological structure connectivity checks and school in a kind of water supply network hydraulic model building process described in accordance with the claim 1
Correction method, it is characterised in that wherein f and n carries out value according to the regional actual conditions for the grid hydraulic model established.
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| CN109299526A (en) * | 2018-09-07 | 2019-02-01 | 武汉众智鸿图科技有限公司 | A kind of hydraulic model generation method and system based on water-supply management database |
| CN112131690A (en) * | 2020-08-20 | 2020-12-25 | 同济大学 | Drainage pipe network GIS abnormal data detection and repair method |
| CN112131690B (en) * | 2020-08-20 | 2022-11-04 | 同济大学 | Method for detecting and repairing drainage pipe network GIS abnormal data |
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