CN110196916A - A kind of road type recognition methods - Google Patents
A kind of road type recognition methods Download PDFInfo
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- CN110196916A CN110196916A CN201910366149.4A CN201910366149A CN110196916A CN 110196916 A CN110196916 A CN 110196916A CN 201910366149 A CN201910366149 A CN 201910366149A CN 110196916 A CN110196916 A CN 110196916A
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Abstract
The invention discloses a kind of road type recognition methods, comprising the following steps: carries out data preliminary treatment to the planning chart of urban road middle line and town site, obtains center line of road figure layer and construction land figure layer, the basic data as road type identification；Obtain the Plane Component of both sides of the road；Classified according to Plane Component to road, identifies the type of every section of road, obtain road type table；For center line of road additional link type attribute, road type figure is obtained, completes road type identification.The present invention is greatly reduced time cost and human cost, is a kind of more convenient, quick urban road kind identification method compared with classifying in traditional urban design to the subjective judgement of road type.
Description
Technical field
The present invention relates to city planning design analysis technical field, in particular to a kind of road based on town site
Kind identification method.
Background technique
Public space of the road as city is component part important in urban design.Identification to road type, has
Targetedly layout strategy is proposed to different types of road conducive to urban design.City road only is extracted by remote sensing images at present
The technology on road, but lack the technology classified to urban road, there are no the identifications of one kind road type used in urban design
Method.Road type classification method is mainly subjective judgement in traditional urban design, needs to expend more manpower, is lacked certain
Science.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, provides a kind of road type recognition methods, this
Method can realize automatic road type identification, shorten recognition time cost and human cost.
The purpose of the present invention can be reached by adopting the following technical scheme that: a kind of road type recognition methods, including with
Lower step:
Data preliminary treatment is carried out to the planning chart of urban road middle line and town site, obtains center line of road figure layer
With construction land figure layer, the basic data identified as road type；
The Plane Component of both sides of the road is obtained, it is to judge road class that Plane Component, which reflects the cityscape of both sides of the road,
The foundation of type；
Classified according to Plane Component to road, identifies the type of every section of road, obtain road type table；
For center line of road additional link type attribute, road type figure is obtained, completes road type identification.
Preferably, the data preliminary treatment specifically includes:
The file of urban road middle line and town site is obtained from planning management department；For entire city or larger
The road of section uses the drawing of overall city planning；For the road in smaller pieces area, the figure of regulatory plan is used
Paper, to improve the convenience and accuracy of data processing；
Center line of road and construction land are extracted respectively, saves as two files, and center line of road file is road type identification
Carrier, construction land file be road type identification foundation, wherein construction land planning chart only retains closing for construction land
Zygonema frame, and according to the good figure layer of land character point, i.e., construction land property is stored in the layer properties of closure wire frame, so as to
Land character is obtained in next step；
Center line of road is interrupted in each road intersection, obtains all road sections, and add serial number as every section
The unique identification of road is used for subsequent connection attribute.
Preferably, the Plane Component for obtaining both sides of the road, specifically includes:
The buffer area that certain distance makees center line of road is chosen, construction land on both sides of the road can be covered, generates road
The buffer area of road middle line；
The intersection between center line of road buffer area and construction land face element is calculated, the Plane Component of both sides of the road is obtained；
The intersection table between center line of road buffer area and construction land is generated, then the intersection table has counted the different use in all section two sides
Ground property and corresponding area；
Pivot list processing is carried out to intersection table, obtains the Plane Component of every section of both sides of the road, i.e. every section of road difference
The area of land character, and the size of area represents the land character in the accounting in the section.
Preferably, described to be classified according to Plane Component to road, it specifically includes:
Calculate the percentage of each section of all land characters of road, i.e. ratio of the different land use property in each section of road
Weight is the key index for identifying road type；
The land character that accounting is lower than 40% is rejected, the purpose of this step is to retain a dominate of every section of both sides of the road 1-2 to use
Ground property, if the accounting of certain all land character in section two sides is below 40%, which does not dominate land character；
Use formula AX=max (A1,A2,…,An) acquire every section of road maximum value A of land character accounting on both sides of the roadX, and return
The corresponding land character X of the value is returned, the first land character is named as, the first land character can be sky；
Use formula AY=large ((A1,A2,…,An), 2) acquiring every section of road, land character accounting is second largest on both sides of the road
Value AY, and the corresponding land character Y of the value is returned, it is named as the second land character, the second land character can be sky；
According to the first land character X and the second land character Y of the every section of road acquired land used on both sides of the road, then every section of road two
The leading land character of side land used is X and Y, and every section of road is divided into residential road, business type road, landscape type according to X and Y
Road, traffic road, industrial road and comprehensive road.
Preferably, described is center line of road additional link type attribute, obtains road type figure, specifically includes:
The attribute of road type table is connected to center line of road figure layer, obtains the center line of road with road type attribute
Figure layer, the road serial number that the connection of attribute is generated based on front, and road serial number has uniqueness, therefore obtained center line of road
The road type attribute of figure layer is accurate；
Suitable colour band is selected for the center line of road figure layer with road type attribute, shows different roads with different colours
Type obtains road type figure.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, the road type recognition methods based on town site that the present invention is to provide a kind of, sets with traditional city
The classification of the subjective judgement of road type is compared in meter, time cost and human cost is greatly reduced, be it is a kind of it is more convenient,
Quick urban road kind identification method.
2, the present invention is established and is completed on the basis of town site data, for worked out overall city planning or
For the city or region of regulatory plan, quickly identification can be realized to its urban road type.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of the road type recognition methods based on town site of the embodiment of the present invention；
Fig. 2 is town site of embodiment of the present invention figure；
Fig. 3 is city road network of embodiment of the present invention figure；
Fig. 4 is city road network of embodiment of the present invention buffer area figure；
Fig. 5 is urban road of embodiment of the present invention type map.
Specific embodiment
For a better understanding of the technical solution of the present invention, the implementation that the present invention is described in detail provides with reference to the accompanying drawing
Example, embodiments of the present invention are not limited thereto.
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.
The present embodiment is an application example, a kind of road type recognition methods based on town site, with Guangdong
Zhuhai City, province is practiced as research object.
The road of town site is classified according to roadside construction land type, is specifically included:
S11, the first seed type: it residential road: along the line based on residential estate, and is configured in service resident resident
Small scale retailing, food and drink, service for life type business and public service facility road；
S12, second of type: business type road: along the line based on the functions such as various commercial, commercial affairs, amusement sports, have
The road of certain service energy level or industry situation characteristic；
S13, third seed type: landscape type road: two sides are landscape green space park, water system or history, geographical style and features characteristic
Stress-relieving activity facility is arranged in road outstanding, the general roadside；
S14, the 4th seed type: traffic road: the road based on passability motorization traffic；
S15, the 5th seed type: industrial road: two sides are based on industrial land, warehouse land, with industrial logistics vehicles
Current is the road of main communication function；
S16, the 6th seed type: comprehensive road: section function and interface type severity of mixing up are higher, or and there are two types of with
The road of upper type feature.
The total rule town site cad file obtained from planning management department, Zhuhai City；
Center line of road and construction land are extracted respectively, saves as two cad files, and center line of road file is that road type is known
Other carrier, construction land file are the foundations of road type identification, and wherein construction land CAD only retains the closure of construction land
Wire frame, and according to the good figure layer of land character point, i.e., construction land property is stored in the layer properties of closure wire frame, so as under
One step obtains land character；
Center line of road CAD is loaded into ArcGIS software, shapefile line feature file is saved as, uses " editor
Device-senior editor-interrupts intersecting lens " tool, center line of road is interrupted in each road intersection, obtains all Roads
Section, obtains Fig. 2；
Attribute list is opened, " serial number " field is added, using field calculator, enables it be equal to " FID+1 ", as every section of road
Unique identification, for subsequent connection attribute use；
Construction land CAD is loaded into ArcGIS software, " tool box-system toolbox-data organizing tool is used
Collection-element-element turns face " tool, it is saved as the face shapefile salt file, opens attribute list, check surface element
Whether the land character information of layer field is accurate, obtains Fig. 3；
According to city maximum trail width concrete condition, the buffer area that suitable distance makees center line of road is chosen, it can
Cover construction land on both sides of the road.Operation: " tool box-system toolbox-analysis tool collection-neighbor analysis-buffering is used
Area " tool, input element select center line of road shapefile file, set storing path and title, buffer distance, side class
Type selects " FULL ", and end types select " FLAT ", and fused type selects " NONE ", finally presses " determination ", generates center line of road
Buffer area, obtain Fig. 4；
" intersection tabulation " tool of use calculates the intersection between center line of road buffer area and construction land face element, obtains road
The Plane Component of road two sides.Operation: " tool box-system toolbox-analysis tool collection-statistical analysis-intersection is tabulated " work is used
Tool, input area element select center line of road buffer area face element, and area field selects " serial number " (section unique identification), input
Class element selects construction land face element, and output table sets storing path and title, and class field selects land character, word of summing
Duan Buyong choosing, output unit select " SQUARE_METERS ", finally press " determination ", generate center line of road buffer area and construction is used
Intersection table between ground, then the intersection table has counted the different land characters and corresponding area in all section two sides；
Pivot list processing is carried out to intersection table, obtains the Plane Component of every section of both sides of the road, calculates each section of road
The specific gravity of the percentage of all land characters, i.e. different land use property in each section of road is the key that identification road type
Index；
The land character that accounting is lower than 40% is rejected using IF function, the purpose of this step is to retain every section of both sides of the road 1-
2 leading land characters, if the accounting of certain all land character in section two sides is below 40%, which does not dominate land used
Property；
Use formula AX=max (A1,A2,…,An) acquire every section of road maximum value A of land character accounting on both sides of the roadX, and return
The corresponding land character X of the value is returned, the first land character is named as, the first land character can be sky；
Use formula AY=large ((A1,A2,…,An), 2) acquiring every section of road, land character accounting is second largest on both sides of the road
Value AY, and the corresponding land character Y of the value is returned, it is named as the second land character, the second land character can be sky；
According to the first land character X and the second land character Y of the every section of road acquired land used on both sides of the road, then every section of road two
The leading land character of side land used is X and Y, and every section of road is divided into residential road, business type road, landscape type according to X and Y
Road, traffic road, industrial road and comprehensive road；
Specific to divide: residential road --- the first land character is residential estate, public administration and public service land used
Or the road of public utility land used；Business type road --- the first land character is the road of commerce services industry facilities land；Scape
Sight type road --- the first land character is the road of greenery patches and land for squares or non-constructive land；Traffic road --- first
Land character is the road of road and means of transportation land used or logistic storage land used；Industrial road --- the first land character is
The road of industrial land；Comprehensive road --- the first and second land characters are empty road；
Road type table obtained in the previous step is saved as into csv file, is loaded into ArcGIS；
In the road " right button-connection and association-connection " on line chart layer, the attribute of road type table is connected to by selection
The figure layer obtains the center line of road figure layer with road type attribute；
To center line of road figure layer " right button-attribute-notation ", display selection " classification ", value field selects " road class
Type " selects suitable colour band, adds all values, shows that different road types, point " determination " obtain road class with different colours
Type figure, such as Fig. 5.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (5)
1. a kind of road type recognition methods, which is characterized in that the described method comprises the following steps:
Data preliminary treatment is carried out to the planning chart of urban road middle line and town site, center line of road figure layer is obtained and builds
If the basic data with map layer, as road type identification；
Obtain the Plane Component of both sides of the road；
Classified according to Plane Component to road, identifies the type of every section of road, obtain road type table；
For center line of road additional link type attribute, road type figure is obtained, completes road type identification.
2. a kind of road type recognition methods according to claim 1, which is characterized in that the data preliminary treatment is specific
Include:
The file of urban road middle line and town site is obtained from planning management department；For entire city or larger section
Road, use the drawing of overall city planning；For the road in smaller pieces area, the drawing of regulatory plan is used；
Center line of road and construction land are extracted respectively, saves as two files, and wherein construction land planning chart only retains construction and uses
The closure wire frame on ground, and according to the good figure layer of major class land character point；
Center line of road is interrupted in each road intersection, obtains all road sections, and add serial number as every section of road
Unique identification.
3. a kind of road type recognition methods according to claim 1, which is characterized in that the use for obtaining both sides of the road
Ground is constituted, and is specifically included:
The buffer area that certain distance makees center line of road is chosen, construction land on both sides of the road can be covered, is generated in road
The buffer area of line；
The intersection between center line of road buffer area and construction land is calculated, the Plane Component of both sides of the road is obtained；It generates in road
Intersection table between line buffer area and construction land；
Pivot list processing is carried out to intersection table, obtains the Plane Component of every section of both sides of the road.
4. a kind of road type recognition methods according to claim 1, which is characterized in that it is described according to Plane Component to road
Road is classified, and is specifically included:
Calculate the percentage A of each section of all kinds of land characters of roadn, n refers to land character；
Reject the land character that accounting is lower than 40%；
Use formula AX=max (A1,A2,…,An) acquire every section of road maximum value A of land character accounting on both sides of the roadX, and returning should
It is worth corresponding land character X, is named as the first land character, the first land character can be sky；
Use formula AY=large ((A1,A2,…,An), 2) acquire every section of road second largest value A of land character accounting on both sides of the roadY,
And the corresponding land character Y of the value is returned, it is named as the second land character, the second land character can be sky；
According to the every section of road acquired, the first land character X of land used and the second road land character Y, Ze Meiduan are used on both sides of the road on both sides of the road
The leading land character on ground is X and Y, and every section of road is divided into residential road, business type road, landscape type road according to X and Y
Road, traffic road, industrial road and comprehensive road.
5. a kind of road type recognition methods according to claim 1, which is characterized in that described to add road for center line of road
Road type attribute obtains road type figure, specifically includes:
The attribute of road type table is connected to center line of road figure layer, obtains the center line of road figure with road type attribute
Layer；
Suitable colour band is selected for the center line of road figure layer with road type attribute, shows different road classes with different colours
Type obtains road type figure.
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| CN201910366149.4A CN110196916B (en) | 2019-05-05 | 2019-05-05 | Road type identification method |
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| CN201910366149.4A CN110196916B (en) | 2019-05-05 | 2019-05-05 | Road type identification method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246640A (en) * | 2012-05-25 | 2013-12-09 | Denso Corp | Intersection recognition device and road type recognition device |
| CN104750799A (en) * | 2015-03-23 | 2015-07-01 | 华南理工大学 | Method for recognizing construction land type rapidly based on address resolution data |
-
2019
- 2019-05-05 CN CN201910366149.4A patent/CN110196916B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013246640A (en) * | 2012-05-25 | 2013-12-09 | Denso Corp | Intersection recognition device and road type recognition device |
| CN104750799A (en) * | 2015-03-23 | 2015-07-01 | 华南理工大学 | Method for recognizing construction land type rapidly based on address resolution data |
Non-Patent Citations (2)
| Title |
|---|
| PIJANOWSKI BC 等: "A big data urban grouth simulation at a nationla scale:configuring the GIS and neural network based land transformation model to run in a high performance computing(HPC) environment", 《ENVIRONMENTAL MODELING&SOFTWARE》 * |
| 赵渺希等: "基于多维数据的特大城市建设用地类型识别", 《上海城市规划》 * |
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