CN109190940A - Consider the common road transport investigation website distribution method of zone boundary control - Google Patents
Consider the common road transport investigation website distribution method of zone boundary control Download PDFInfo
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- CN109190940A CN109190940A CN201810939135.2A CN201810939135A CN109190940A CN 109190940 A CN109190940 A CN 109190940A CN 201810939135 A CN201810939135 A CN 201810939135A CN 109190940 A CN109190940 A CN 109190940A
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Abstract
The invention discloses a kind of common road transport investigation website distribution methods of consideration zone boundary control, comprising the following steps: 1) carries out road network figure layer in ArcGIS software simplifying the basic line map of processing acquisition；2) boundary Control traffic study point is established according to the intersection position of highway network and zone boundary；3) on the basis of boundary Control traffic study point is distributed, new points for investigation is added to region inside highway according to the distance of regulation, realizes density processing；4) it in conjunction with layout position and existing position of layouting is planned, layouts to planning and carries out duplicate removal processing, the planning that removal is located within the scope of existing website certain distance is layouted；5) geography information and road information that planning is layouted are generated based on GIS software, determine the specific location layouted and actual conditions is combined to adjust.The method makes whole website coverage rate reach higher level on the basis of zone boundary controls, and can obtain comprehensive traffic data.
Description
Technical field
The present invention relates to common road traffic parameter data acquisition arts, and in particular to a kind of to consider what zone boundary controlled
Common road transport investigation website distribution method.
Background technique
With continuing to increase for traffic base construction dynamics, common road network construction work in China's is improved day by day.With
The expansion of common road network coverage, the traffic administration and control to huge and complicated common road system are also further heavy
It wants.It can all be held in respective compass of competency to fully understand with control common road traffic circulation, national each province
Open up the work of common road transport investigation.
However, there are many for the work of China's common road transport investigation at present from intermodulation working practice level
Problem, such as: technological means falls behind, and data acquire reliability and accuracy is lower --- and what is be distributed in common road network is automatic
Change investigation station's point quantity seldom and be unevenly distributed, the work of common road intermodulation relies primarily on road maintenance personnel in development at the basic level
It carries out, not only expends a large amount of manpower and material resources, and the data reliability and accuracy that acquire are lower.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, using ArcGIS software and graph theory knowledge, with zone boundary
Based on control, the concrete scheme that boundary is layouted is given first, on this basis, in conjunction with practical intermodulation demand, plans other
It layouts position, proposes a kind of common road transport investigation website distribution method of consideration zone boundary control, can be used for
Laying and the acquisition of traffic data are carried out to the traffic study website of common road, to overcome traditional common road traffic feelings
The problems such as theoretical basis of condition investigation lacks, data can not be considered as a whole.
The purpose of the present invention can be achieved through the following technical solutions:
It is a kind of consider zone boundary control common road transport investigation website distribution method, the method includes with
Lower step:
1) road network figure layer is carried out in ArcGIS software simplifying the basic line map of processing acquisition；
2) boundary Control traffic study point is established according to the intersection position of highway network and zone boundary；
3) on the basis of boundary Control traffic study point is distributed, region inside highway is added newly according to the distance of regulation
Points for investigation, realize density processing；
4) it in conjunction with layout position and existing position of layouting is planned, layouts to planning and carries out duplicate removal processing, removal is located at existing
Planning within the scope of website certain distance is layouted；
5) geography information and road information that planning is layouted are generated based on GIS software, determination is layouted specific
Position simultaneously combines actual conditions to adjust.
Further, in the step 1), by road network figure layer carry out simplify processing refer to will be divided into road network two trend
Same path is reduced to a route, whole road network parallel edge is reduced to a line, and retain the letter on original two lines road
Breath；
The line information includes section coding, route trend, route industrial grade, administrative hierarchy and start-stop pile No. etc.,
It only modifies herein to route trend；
Section can be encoded identical road as needed and merge processing by the route after simplified processing, after convenient
Continuous operation of layouting.
Further, in the step 2), the intersection point of highway network and zone boundary is chosen by ArcGIS software
" intersection " operation carries out, and highway network includes the boundary intersected and the information of route with the intersection position information of zone boundary, divides
For boundary grade (province boundary or city boundary), the area name of boundary demarcation, route coding, route name, route administrative hierarchy,
Route industrial grade and route pipe support seven class of unit.
Further, in step 3), the control range of the boundary Control traffic study point is used in ArcGIS software
Buffer area tool determine that road in buffer area is considered as in observation scope, region internal transportation points for investigation cloth
If when need to guarantee that internal transportation points for investigation observation scope in region reduces to the greatest extent and its boundary Control traffic study point observation scope
Intersection, need a certain distance between each points for investigation, measure work using ArcGIS software when specific distance calibration
Tool, matches the size showed in figure layer with actual size according to transformational relation.
Further, the distance between described each points for investigation is set as 40Km, including boundary Control traffic study point and
Region internal transportation points for investigation.
Further, described in step 4) planning layout position include step 2) lay boundary Control traffic study point and
Step 3) lay region internal transportation points for investigation, layout to planning carry out duplicate removal processing when, first to be believed according to geographical location
Breath draws existing position of layouting in existing road network, chooses certain distance as duplicate removal range then in conjunction with distance of layouting, to going
Planning in weight range, which is layouted, to be removed.
Further, the distance that the duplicate removal range is chosen is 5Km, and the value range of the distance can be in conjunction with regional feelings
Condition is voluntarily drafted.
Further, plan that the geography information layouted includes planning the seat in generalized information system of layouting described in step 5)
Mark information and according to coordinate information in practical map near place, road information include planning layout where road road
Line coding, route name, route administrative hierarchy, route industrial grade and route pipe support unit；
Combination actual conditions adjustment refer in on-the-spot investigation according to network problem, electrical problem and Construction Problems into
Capable position adjustment.
Compared with the prior art, the invention has the following advantages and beneficial effects:
The present invention makes full use of existing geographic information resources, handles existing road network and map datum, in conjunction with
ArcGIS carries out specific aim secondary development, proposes complete common road transport investigation website distribution method, examines first
The traffic study website considered on zone boundary is laid, and so that whole website coverage rate is reached higher on the basis of zone boundary controls
Level, and comprehensive traffic data can be obtained.The method can also control ArcGIS software using programming language, will hand over
Logical investigation website is laid operation and is embodied and procedure, is scientific and convenience.
Detailed description of the invention
Fig. 1 is the common road transport investigation website distribution method that the embodiment of the present invention considers zone boundary control
Flow chart.
Fig. 2 (a), Fig. 2 (b) are respectively the schematic diagram in the embodiment of the present invention before and after geography information figure layer process.
Fig. 3 is boundary Control of embodiment of the present invention traffic study point location map.
Fig. 4 is region internal transportation points for investigation location map of the embodiment of the present invention based on boundary Control.
Fig. 5 is that the embodiment of the present invention has traffic study point location map.
Fig. 6 is the planning traffic study point location map after duplicate removal processing of the embodiment of the present invention.
Fig. 7 is traffic study of embodiment of the present invention point coordinate information schematic diagram.
Fig. 8 is that the laying of traffic study of embodiment of the present invention point uses measuring tool schematic diagram.
Fig. 9 is the planning and existing traffic study point location map after adjustment of the embodiment of the present invention.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment:
A kind of common road transport investigation website distribution method of consideration zone boundary control is present embodiments provided,
The flow chart of the method is as shown in Figure 1, control above-mentioned consideration zone boundary below with reference to Guangdong Province's common road net general
Transport investigation website distribution method accessible by road is described in detail, comprising the following steps:
1) road network figure layer is carried out in ArcGIS software simplifying the basic line map of processing acquisition；
In real road, one section of road of state's provincial highway is generally that two-wire is parallel, and field attribute is respectively uplink section and downlink
Section, certain special road sections only set a line, and field attribute is two way section.According to graphtheoretic concept, the figure that is formed at this time
For digraph, mutual unilaterally connected between most of adjacent node, small part adjacent node diconnected, it is contemplated that traffic problems
In, the weight that the side for representing road is assigned is generally road section length or running time, plays main work to the determination of value
Factor is the physical length of road, and parallel round-trip road considers easy to maintenance, general common construction when building,
Guarantee that two road entire length is identical, so two road are obtained when assigning weight is worth identical, while two sides
In the presence of can guarantee that abutment points interconnect.For convenience of analysis, whole road network parallel edge is reduced to a line.Geography information figure
The schematic diagram of layer before and after the processing is respectively as shown in Fig. 2 (a), Fig. 2 (b).
2) boundary Control traffic study point is established according to the intersection position of highway network and zone boundary；
Boundary layouts and lays traffic study point on administrative division boundary, can be divided into province's boundary point and city according to administrative hierarchy
Boundary point needs to generate thus province's boundary figure layer, city boundary figure layer and state's provincial highway route figure layer respectively.The first step is by state's provincial highway
Route figure layer simplifies, and guarantees only to generate a traffic study point with zone boundary intersection in the different trends of same section of road,
This is that sensor distributing guarantees correctly basis.Using " intersection " tool in ArcGIS, to city boundary figure layer and state's provincial highway route
Figure layer is handled, and the figure layer element ultimately generated is limited to " Point ", obtains the friendship of state's provincial highway route Yu city boundary figure layer
Point, i.e., city's boundary point in layout scheme amount to 208.Similarly, province boundary figure layer is handled to obtain with state provincial highway figure layer
Province's boundary point in layout scheme amounts to 31.It is noted that due to artificially drawing deviation, it may appear that actually with province boundary
State's provincial highway route of intersection shows non-intersecting in ArcGIS window figure layer, needs to manually check and supplement position of layouting at this time,
Supplement province boundary is finally obtained to layout total 18.Boundary Control traffic study point distribution situation is as shown in Figure 3.
3) on the basis of boundary Control traffic study point is distributed, region inside highway is added newly according to the distance of regulation
Points for investigation, realize density processing；
Provided according to national associated documents, between the two neighboring traffic census point on same state provincial highway away from
From 5Km is not smaller than, 50Km can not be greater than, 40Km is suitable distance.Second step boundary is layouted after completion, in state's provincial highway and area
It draws and has generated total 253 traffic census point on boundary, need to accordingly generate " buffer area " and layout as internal supplement
Apart from one of basis of characterization.Buffer area is the face element generated around point, line, surface element, is circle for an element, for line
Element is band-like, is cyclic annular for face element.For the round buffer area for preventing the traffic study point between adjacent state's provincial highway from generating
It interferes with each other, needs to sequentially generate respective buffer area according to route coding, steps are as follows: utilizing " fusion " tool by state's provincial highway
After route is completed according to the fusion of " coding " attribute, obtain amounting to 206 routes, wherein national highway 23, provincial highway 183.For side
Just identification and visual presentation when supplement is layouted, the boundary point to route itself and on route establishes buffer area respectively,
" intersection " tool of use obtains the intersection of both route buffer area and boundary dot buffer zone, obtains each of band-like buffer area composition
The face figure layer of route.The Arcpy module carried using ArcGIS, establishes operation circulation using program language, by operating process
Mechanization finally obtains 206 buffer areas face figure layer, and " merging " tool of utilization handles all face figure layers and obtains a unified figure
Layer, being named as the route mileage that " Boundary Observation range " figure layer covers is the observation scope that boundary is layouted at this stage.
It is to determine basis with " Boundary Observation range ", using " measurement " tool in ArcGIS, using 40Km as criterion distance,
One route is a laying unit, and cloth obtains provincial highway supplement survey point 233 setting in the supplement survey point inside administrative division
It is a, national highway supplement survey point 101, amount to 334 internal supplement survey points.Region internal transportation investigation based on boundary Control
Point position distribution is as shown in Figure 4.
4) it in conjunction with layout position and existing position of layouting is planned, layouts to planning and carries out duplicate removal processing, removal is located at existing
Planning within the scope of website certain distance is layouted；
Element figure layer and axial Load investigation point position are put according to " traffic volume obserbation station ", obtains having friendship on state's provincial highway
Logical points for investigation is 240 total, and it is as shown in Figure 5 to have traffic study point position distribution.The step of layouting walked by first three is final to be obtained
It to total 630 traffic study points, analyzes and observes by " intersection ", discovery has the traffic study point in planning sensor distributing
It is almost overlapped with existing traffic study point or the problem of hypotelorism, thus occurs between the adjacent points for investigation of the same line road
Distance be less than the case where standard provides, provided according to national associated documents, two neighboring friendship on same state provincial highway
The distance between flux points for investigation is not smaller than 5Km, therefore based on Current Traffic points for investigation, establishes by radius of 5Km
Buffer area, the planning in buffer area, which is layouted, to reject." opsition dependent selection " tool of utilization is chosen " layouting on boundary ", " is saved
Road inside supplement is layouted " with after the element in " supplement is layouted inside national highway " in buffer area and removal, three remains respectively
Lower traffic census point 220,233,101 total 554 as final traffic census point sensor distributings.At duplicate removal
Planning traffic study point position distribution after reason is as shown in Figure 6.
5) geography information and road information that planning is layouted are generated based on GIS software, determination is layouted specific
Position simultaneously combines actual conditions to adjust.
All element figure layers in the present embodiment are based on geographic coordinate system GCS-WGS1984, it is possible to according to
The coordinate of the point of scheme shown in ArcGIS window determines its specific location." addition XY coordinate " tool is utilized to obtain 500 traffic
The latitude and longitude coordinates (wherein POINT_X is latitude, and POINT_Y is longitude) of points for investigation, coordinate information is as shown in fig. 7, defeated by its
Enter into online longitude and latitude inquiry system to obtain specific " peripheral position " information and " reference position " information, for being practical cloth
Point selection provides reference.
State's provincial highway route figure layer includes pile No. information, can determine the pile No. that cloth sets up an office accordingly.Utilize " pressing Attributions selection "
Tool screens " state's Road " and " saving Road " respectively, respectively with " supplement is layouted inside national highway " and " inside provincial highway
Supplement is layouted " execution " intersection " operation, " state saves Road " reduces the identification of ArcGIS then with " layouting on boundary " execution " intersection "
Deviation, obtained new point element figure layer have all information of original two figure layers, (are risen according to " coding ", " ROADSTART "
Point pile No.) and " ROADENDS " (stop pile No.) attribute, " measurement " tool of utilization obtains each and puts on the route of place
Pile No. information, measuring tool use as shown in Figure 8.
It is noted that the finally formed scheme of the present embodiment method therefor does not consider that local road relief, electric power supply
The problems such as insufficient, network distribution is uneven, resident's wish is indefinite is answered, there is still a need for adaptation to local conditions when physical location is determined, rationally select
It selects.Final common road traffic study point entirety sensor distributing is as shown in Figure 9.
The above, only the invention patent preferred embodiment, but the scope of protection of the patent of the present invention is not limited to
This, anyone skilled in the art is in the range disclosed in the invention patent, according to the present invention the skill of patent
Art scheme and its patent of invention design are subject to equivalent substitution or change, belong to the scope of protection of the patent of the present invention.
Claims (8)
1. a kind of common road transport investigation website distribution method for considering zone boundary control, which is characterized in that described
Method the following steps are included:
1) road network figure layer is carried out in ArcGIS software simplifying the basic line map of processing acquisition；
2) boundary Control traffic study point is established according to the intersection position of highway network and zone boundary；
3) on the basis of boundary Control traffic study point is distributed, new tune is added according to the distance of regulation to region inside highway
It makes an inventory of, realizes density processing；
4) it in conjunction with layout position and existing position of layouting is planned, layouts to planning and carries out duplicate removal processing, removal is located at existing website
Planning within the scope of certain distance is layouted；
5) geography information and road information that planning is layouted are generated based on GIS software, determines the specific location layouted
And actual conditions is combined to adjust.
2. the common road transport investigation website distribution method according to claim 1 for considering zone boundary control,
It is characterized by: road network figure layer is carried out simplified handle and refers to the sames that will be divided into two trends in road network in the step 1)
Road is reduced to a route, whole road network parallel edge is reduced to a line, and retain the information on original two lines road；
The line information includes section coding, route trend, route industrial grade, administrative hierarchy and start-stop pile No., herein only
It modifies to route trend；
Section can be encoded identical road as needed and merge processing by the route after simplified processing, facilitate subsequent cloth
Point operation.
3. the common road transport investigation website distribution method according to claim 1 for considering zone boundary control,
It is characterized by: highway network is chosen with the intersection point of zone boundary by " intersection " in ArcGIS software in the step 2)
Operation carries out, and highway network includes the boundary intersected and the information of route with the intersection position information of zone boundary, is divided into boundary
Grade, the area name of boundary demarcation, route coding, route name, route administrative hierarchy, route industrial grade and route pipe are supported
Seven class of unit.
4. the common road transport investigation website distribution method according to claim 1 for considering zone boundary control,
It is characterized by: the control range of the boundary Control traffic study point uses the buffering in ArcGIS software in step 3)
Area's tool determines that the road in buffer area is considered as in observation scope, needs when internal transportation points for investigation in region is laid
Guarantee that internal transportation points for investigation observation scope in region reduces the intersection with its boundary Control traffic study point observation scope to the greatest extent
Part, needs a certain distance between each points for investigation, and when specific distance calibration uses ArcGIS software measurement tool, according to
Transformational relation matches the size showed in figure layer with actual size.
5. the common road transport investigation website distribution method according to claim 4 for considering zone boundary control,
It is characterized by: the distance between described each points for investigation is set as in 40Km, including boundary Control traffic study point and region
Portion's traffic study point.
6. the common road transport investigation website distribution method according to claim 1 for considering zone boundary control,
It is characterized by: planning described in step 4) is layouted, position includes the boundary Control traffic study point and step 3) that step 2) is laid
The region internal transportation points for investigation of laying, layout to planning carry out duplicate removal processing when, first will be according to geographical location information existing
Have and draw existing position of layouting in road network, chooses certain distance as duplicate removal range, to duplicate removal range then in conjunction with distance of layouting
Interior planning, which is layouted, to be removed.
7. the common road transport investigation website distribution method according to claim 6 for considering zone boundary control,
It is characterized by: the distance that the duplicate removal range is chosen is 5Km, and the value range of the distance can be in conjunction with regional situation voluntarily
It drafts.
8. the common road transport investigation website distribution method according to claim 1 for considering zone boundary control,
It is characterized by: planning that the geography information layouted includes planning the coordinate information in generalized information system of layouting described in step 5)
With according to coordinate information in practical map near place, road information include planning layout where road route compile
Code, route name, route administrative hierarchy, route industrial grade and route pipe support unit；The combination actual conditions adjustment refers to
It is adjusted in on-the-spot investigation according to the position that network problem, electrical problem and Construction Problems carry out.
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