CN115391884A - Urban road traffic development planning design method based on modeling technology - Google Patents
Urban road traffic development planning design method based on modeling technology Download PDFInfo
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Abstract
The invention discloses an urban road traffic development planning design method based on a modeling technology, and relates to the technical field of urban roads. The invention comprises the following steps: acquiring urban road data; step two: processing the acquired road data; step three: creating a BIM model and a three-dimensional GIS model; step four: planning and designing the created road model; step five: and making a specific implementation plan for the road model of the planning design. The invention collects data through the unmanned aerial vehicle and the unmanned vehicle, has high efficiency, short manufacturing period and strong timeliness, can ensure that the urban road information is perfect and the road building model has high elevation precision by establishing the BIM model and the three-dimensional GIS model, and is convenient for designers to plan and improve the urban road according to development planning, specification targets, population scale, control indexes and the like, thereby reducing the urban road congestion condition.
Description
Technical Field
The invention belongs to the technical field of urban roads, and particularly relates to an urban road traffic development planning design method based on a modeling technology.
Background
With the development of urbanization, the problems of traffic jam and vehicle pollution become more and more serious. The traffic jam refers to a phenomenon that when the total traffic flow passing through a certain road section or intersection in a road is larger than the traffic capacity of the road due to the increase of traffic demand in a certain period of time, the traffic flow on the road cannot pass smoothly, and the traffic flow is stagnated on the road when the traffic flow exceeds a part of the traffic flow, so that the vehicle is seriously discharged and polluted due to the traffic jam.
The urban road planning can solve the traffic congestion problem to a large extent by using few resources, and the congestion problem of the road section can be solved for a long time only by adding a signal lamp or building a new branch. The road design of a city directly influences the traffic condition of the city, and good road planning can use a branch road to share the burden of a main road or build an interchange and widen a road section, so that the congestion condition of the road section can be greatly improved.
Disclosure of Invention
The invention aims to provide an urban road traffic development planning and designing method based on a modeling technology, and solves the technical problem of urban road congestion in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an urban road traffic development planning design method based on modeling technology comprises
The method comprises the following steps: the method comprises the steps of obtaining urban road data, scanning the urban road by using an unmanned aerial vehicle, collecting GIS data including physical objects such as artificial buildings, natural geographic positions and the like and space parameter information, recording and shooting urban road paths, shooting road conditions and barrier resistance; the method comprises the steps that the unmanned vehicle is used for measuring specific data such as paths, road widths and photographed road conditions on urban roads, and the data are combined with data photographed by the unmanned vehicle, so that the accuracy of the data is guaranteed; the natural geographical positions comprise lakes, mountains, rivers and the like, and road facilities such as bridges, tunnels and the like can be built according to the influence of the natural geographical positions;
step two: processing the acquired road data, constructing a local area network, analyzing GIS data of the unmanned aerial vehicle aerial survey in the step one, making a topographic map in a DWG format and a building element plan, outputting data shot by the unmanned aerial vehicle into a specific image-text image, and recording corresponding data for measuring the length, the width, the barrier resistance and the like of the urban road;
step three: building a BIM model and a three-dimensional GIS model, and building the BIM model and the three-dimensional GIS model of the road according to the topographic map, the building element plan and the image-text image shot by the unmanned aerial vehicle in the step two; creating a BIM model, combining image-text images shot by the unmanned vehicle according to the manufactured topographic map and the building element planar map, firstly manufacturing a 2D planar map by utilizing CAD, mainly regarding concepts of points, lines and planes in the map, then stretching and stereoscopically rendering parameters in the 2D planar map by means of ARCGIS and REVIT software, constructing a 3D visual model, then reducing corresponding data of the length, the width, the barrier resistance and the like of the urban road measured by the unmanned aerial vehicle in the step two according to a proportion, inputting the data into the 3D visual model, enabling all components in the building road to be rich in building information and attributes, and then changing the attributes according to actual conditions to adjust the size, the style and the like of each building road component so as to construct the BIM building information model;
creating a three-dimensional GIS model, processing GIS data of unmanned aerial vehicle aerial survey in the second step by adopting ContextCapture, automatically constructing the three-dimensional model based on images, outputting a corresponding GIS space model after performing aerial triangulation calculation and model reconstruction calculation by using a software modeling object as a static object and assisting information such as camera sensor attributes, photo position and attitude parameters, control points and the like, vectorizing a topographic map and a building element planar map in the second step by using ARCMAP software, loading each vectorized topographic map layer into ARCScene, visualizing data by 3D, enhancing a visualization effect by symbolizing to obtain three-dimensional models corresponding to buildings, roads, trees and the like, then combining the GIS space model obtained in the process with the three-dimensional models corresponding to the buildings, the roads, the trees and the like, inputting corresponding data, finely repairing and reconstructing the whole model to complete the topographic elements, cutting the whole GIS elements by using vector surfaces corresponding to the buildings, the roads, the trees and the like, thereby realizing the cutting of the internal elements and constructing the single-dimensional GIS model;
step four: planning and designing the created road model according to the requirements of urban road development planning, specification targets, population scale, control indexes and the like; the control indexes comprise the flow direction of population and the number of the moving vehicles in a specific time period, and the traffic bearing capacity of the determined urban road in the urban traffic network is determined; determining the grade of an urban road, the width of the urban road, the positions of traffic facilities in the urban road and the occupied area of the traffic facilities according to the traffic bearing capacity of the urban road;
the urban road planning is to plan a traffic network consisting of various trunk roads, branch roads, squares and attached traffic facilities with different functions in the range of urban districts to determine the length, the path and the like of the urban road; the road planning target comprises the steps of processing internal and external traffic in the whole area, enabling the external connection of the road to be better developed, enabling the road to be better connected with surrounding cities and external areas, and determining the grade of the urban road; the population scale comprises the current situation of a city or the number of population development in a certain period, and the number of urban roads is determined according to the number of people;
step five: and making a specific implementation plan for the road model of the planning design, making a specific implementation plan according to the road design, the traffic planning and the municipal engineering, splitting, modifying and optimizing the unreasonable single elements, and determining the specific implementation plan for planning the road.
The embodiment of the invention has the following beneficial effects:
the invention collects data through the unmanned aerial vehicle and the unmanned vehicle, has high efficiency, short manufacturing period and strong timeliness, can ensure that the urban road information is perfect and the road building model has high elevation precision by establishing the BIM model and the three-dimensional GIS model, and is convenient for designers to plan and improve the urban road according to development planning, specification targets, population scale, control indexes and the like, thereby reducing the urban road congestion condition.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an urban road traffic development planning and designing method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
Referring to fig. 1, in the present embodiment, a method for planning and designing urban road traffic development based on modeling technology is provided, including: the method comprises the following steps: the method comprises the steps of obtaining urban road data, scanning the urban road by using an unmanned aerial vehicle, collecting GIS data including physical objects such as artificial buildings, natural geographic positions and the like and space parameter information, recording and shooting urban road paths, shooting road conditions and barrier resistance; the method comprises the steps that the unmanned vehicle is used for measuring specific data such as paths, road widths and photographed road conditions on urban roads, and the data are combined with data photographed by the unmanned vehicle, so that the accuracy of the data is guaranteed; the natural geographical positions comprise lakes, mountains, rivers and the like, and road facilities such as bridges, tunnels and the like can be built according to the influence of the natural geographical positions;
step two: processing the acquired road data, constructing a local area network, analyzing GIS data of the unmanned aerial vehicle aerial survey in the step one, making a topographic map in a DWG format and a building element plan, outputting data shot by the unmanned aerial vehicle into a specific image-text image, and recording corresponding data for measuring the length, the width, the barrier resistance and the like of the urban road;
step three: building a BIM model and a three-dimensional GIS model, and building the BIM model and the three-dimensional GIS model of the road according to the topographic map, the building element plan and the image-text image shot by the unmanned aerial vehicle in the step two; creating a BIM model, according to the manufactured topographic map and the building element planar map, combining image-text images shot by the unmanned vehicle, firstly making a 2D planar map by utilizing CAD, wherein the map is mainly based on the concepts of points, lines and planes, then stretching and stereoscopically transforming parameters in the 2D planar map by means of ARCGIS and REVIT software to construct a 3D visual model, then reducing the corresponding data of the length, the width, the barrier resistance and the like of the urban road measured by the unmanned aerial vehicle in the second step according to the proportion, inputting the data into the 3D visual model to enable all components in the building road to be rich in building information and attributes, and then changing the attributes according to actual conditions to adjust the size, the style and the like of each building road component to construct the BIM building information model;
creating a three-dimensional GIS model, processing GIS data of unmanned aerial vehicle aerial survey in the second step by adopting ContextCapture, automatically constructing the three-dimensional model based on images, outputting a corresponding GIS space model after performing aerial triangulation calculation and model reconstruction calculation by using a software modeling object as a static object and assisting information such as camera sensor attributes, photo position and attitude parameters, control points and the like, vectorizing a topographic map and a building element planar map in the second step by using ARCMAP software, loading each vectorized terrestrial map layer into ARCScene, visualizing data in a 3D manner, enhancing a visualization effect by symbolization to obtain three-dimensional models corresponding to buildings, roads, trees and the like, then combining the GIS space model obtained in the process with the three-dimensional models corresponding to the buildings, the roads, the trees and the like, inputting corresponding data, finely repairing and reconstructing the whole model to complete terrestrial map elements, cutting the whole GIS elements by using vector surfaces corresponding to the buildings, the roads, the trees and the like, and constructing a single GIS model;
step four: planning and designing the created road model according to requirements such as urban road development planning, specification targets, population scales, control indexes and the like; the control indexes comprise the flow direction of population and the number of the moving vehicles in a specific time period, and the traffic bearing capacity of the determined urban road in the urban traffic network is determined; determining the grade of an urban road, the width of the urban road, the positions of traffic facilities in the urban road and the occupied area of the traffic facilities according to the traffic bearing capacity of the urban road;
the urban road planning is to plan a traffic network consisting of various trunk roads, branch roads, squares and attached traffic facilities with different functions in the range of urban districts to determine the length, the path and the like of the urban road; the road planning target comprises the processing of external traffic in the whole area, so that the external connection of the road is better developed, the road is better connected with surrounding cities and external areas, and the grade of the urban road is determined; the population scale comprises the current urban situation or the number of population development in a certain period, and the number of urban roads is determined according to the number of people;
step five: making a specific implementation plan for a road model of the planning design, making a specific implementation plan according to the road design, the traffic planning and the municipal engineering, splitting, modifying and optimizing unreasonable single elements, and determining a specific implementation plan for planning the road
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
Claims (10)
1. A method for planning and designing urban road traffic development based on modeling technology is characterized by comprising the following steps:
the method comprises the following steps: acquiring urban road data, scanning the urban road by using an unmanned aerial vehicle, acquiring GIS data including physical objects such as artificial buildings, natural geographic positions and the like and spatial parameter information, recording and shooting urban road paths, shooting road conditions and barrier resistance;
step two: processing the acquired road data, constructing a local area network, analyzing GIS data of the unmanned aerial vehicle aerial survey in the step one, making a topographic map in a DWG format and a building element plan, outputting data shot by the unmanned aerial vehicle into a specific image-text image, and recording corresponding data for measuring the length, the width, the barrier resistance and the like of the urban road;
step three: building a BIM model and a three-dimensional GIS model, and building the BIM model and the three-dimensional GIS model of the road according to the topographic map, the building element plan and the image-text image shot by the unmanned aerial vehicle in the step two;
step four: planning and designing the created road model according to the requirements of urban road development planning, specification targets, population scale, control indexes and the like;
step five: and making a specific implementation plan for the road model of the planning design, making a specific implementation plan according to the road design, the traffic planning and the municipal engineering, splitting, modifying and optimizing the unreasonable single elements, and determining the specific implementation plan for planning the road.
2. The method as claimed in claim 1, wherein in step one, the unmanned vehicle can be used to measure the path, road width and shoot road conditions on the urban road, and the data is combined with the data shot by the unmanned vehicle to ensure the accuracy of the data.
3. The urban road traffic development planning and designing method based on modeling technology as claimed in claim 1, wherein a BIM model is created in step three, a 2D plan view is first created by CAD according to a created topographic map and a building element plan view and by combining with a graphic image and text image taken by an unmanned vehicle, the concept of points, lines and planes in the plan view is taken as the main, then parameters in the 2D plan view are stretched and stereoscopically by means of ARCGIS and REVIT software to construct a 3D visual model, corresponding data of the urban road measured by the unmanned aerial vehicle in step two, such as length, width, barrier resistance and the like, are input into the 3D visual model after being reduced according to a proportion, all components in the building road are rich in building information and attributes, and the attributes are changed according to actual conditions to adjust the size, the style and the like of each building road component, so as to construct the BIM building information model.
4. The urban road traffic development planning and design method based on modeling technology as claimed in claim 1, characterized in that, in step three, a three-dimensional GIS model is created, contextCapture is adopted to process GIS data of unmanned aerial vehicle aerial survey in step two and three-dimensional model construction is carried out based on image automation, software modeling object is static object, information such as camera sensor attribute, photo position and attitude parameter, control point and the like is supplemented, after aerial triangulation calculation and model reconstruction calculation, a corresponding GIS space model is output, then terrain map and building element plane map in DWG format in step two are vectorized through ARCMAP software, each vectorized terrain map layer is loaded into Arcene Sc, data is visualized in 3D, visualization effect is enhanced through symbolization to obtain corresponding three-dimensional models of buildings, roads, trees and the like, then the GIS space model obtained in the above process is combined with corresponding three-dimensional models of buildings, roads, trees and the like, corresponding three-dimensional models of buildings, roads, trees and the like are input corresponding data, the whole body model is refined and reconstructed to make the terrain map and the building elements, the road surface of the buildings, trees and the GIS model is cut completely, and the inside of the GIS model is implemented to realize the whole of the whole road.
5. The method as claimed in claim 1, wherein the control indexes in step four include the flow direction of the population and the number of the moving vehicles in a specific time period to determine the traffic capacity of the determined urban road in the urban traffic network.
6. The modeling technique based urban road traffic development planning design method according to claim 5, wherein the urban road grade, the urban road width, the traffic facility position in the urban road and the traffic facility occupation area are determined according to the traffic bearing capacity of the urban road.
7. The method as claimed in claim 1, wherein the urban road planning in step four is to plan a transportation network consisting of trunks, branches, squares and attached transportation facilities with different functions in the range of urban districts to determine the lengths, paths and the like of urban roads.
8. The method as claimed in claim 1, wherein the road planning objective in step four includes processing external traffic within the whole area, so as to make the external connection of the road better developed, and making the external connection with the surrounding city and the external area better, and determining the grade of the urban road.
9. The method as claimed in claim 1, wherein the population size in step four includes a current city status or a number of population developments within a certain time frame, and the number of urban roads is determined according to the number of population developments.
10. The modeling technique based urban road traffic development planning and designing method according to claim 1, wherein in step one, the natural geographical locations include lakes, mountains, rivers, etc., and road facilities such as bridges, tunnels, etc. can be constructed according to the influence of the natural geographical locations.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661479A (en) * | 2023-07-28 | 2023-08-29 | 深圳市城市公共安全技术研究院有限公司 | Building inspection path planning method, equipment and readable storage medium |
| CN117131581A (en) * | 2023-10-26 | 2023-11-28 | 乘木科技(珠海)有限公司 | Digital twin urban road construction system and method |
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2022
- 2022-08-15 CN CN202210976048.0A patent/CN115391884A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116661479A (en) * | 2023-07-28 | 2023-08-29 | 深圳市城市公共安全技术研究院有限公司 | Building inspection path planning method, equipment and readable storage medium |
| CN116661479B (en) * | 2023-07-28 | 2023-11-07 | 深圳市城市公共安全技术研究院有限公司 | Building inspection path planning method, equipment and readable storage medium |
| CN117131581A (en) * | 2023-10-26 | 2023-11-28 | 乘木科技(珠海)有限公司 | Digital twin urban road construction system and method |
| CN117131581B (en) * | 2023-10-26 | 2024-02-13 | 乘木科技(珠海)有限公司 | Digital twin urban road construction system and method |
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