CN115659440B - Construction organization and traffic organization simulation method based on Unity platform - Google Patents
Construction organization and traffic organization simulation method based on Unity platform Download PDFInfo
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Abstract
The invention discloses a construction organization and traffic organization simulation method based on a Unity platform, which comprises the following steps: building engineering scenes in the construction organization and traffic organization range; processing construction organizations and traffic organization schemes; performing model-data link processing; the FBX model file, the construction organization traffic organization Excel data table and the traffic track three-dimensional space point txt format file which are subjected to model-data linking are imported into a Unity platform for integration; simplifying various construction organizations or traffic organization schemes; developing construction organization simulation, and driving the engineering model to grow and disappear based on a construction organization plan Excel data table imported into the Unity platform or a re-imported Excel data table; developing a traffic organization simulation; and (5) carrying out simulated driving. The invention can integrate the construction procedure and the 4D visual expression of traffic flow at the same time, realize the visual display of construction organization and traffic organization scheme under the same space-time model and verify the rationality thereof.
Description
Technical Field
The invention relates to the field of building information models in the highway industry, in particular to a construction organization and traffic organization simulation method based on a Unity platform.
Background
The building information model (Building Information Modeling, BIM) is a digital technology of engineering industry developed in recent years, can correlate space with time, simulate construction organization and traffic organization schemes, and can intuitively reflect construction processes by means of visual advantages, so that the construction organization and the traffic organization have more pertinence.
The patent of publication No. CN113761724A discloses a method for managing the organization and progress of the assembled building construction based on BIM technology, which adopts Autodesk Revit software to construct an engineering three-dimensional model, uses the simulation function of Autodesk Navisworks software to simulate the visual, static and dynamic construction progress of the whole construction process, and can realize the scientific control of the progress of the assembled building construction; the patent of publication No. CN114003997A discloses a BIM and Vissim fused construction traffic organization three-dimensional simulation method, on the basis of a live-action model, traffic flow data of Vissim traffic simulation are fused into LmenRT MicroStation software, three-dimensional visual display of traffic analysis data and traffic flow traffic conditions of the Vissim software is realized, and real traffic conditions under implementation conditions of a traffic organization scheme are restored to a high degree.
The construction organization and progress simulation method based on BIM technology adopted in the patent are completed by utilizing partial functions of commercial software, or only construction progress simulation can be performed, but traffic flow can not be displayed, and traffic organization schemes such as Chinese patent CN113761724A can not be expressed; or show traffic flow and traffic organization schemes that do not allow progress simulation of construction procedures, such as chinese patent CN114003997a. However, in the actual construction process of highway engineering, especially in the reconstruction and expansion engineering, the normal traffic and project construction progress of the existing highway are always considered, the construction technical principle of continuous traffic is adopted, and the relation between construction organization and traffic flow is considered at the same time, so that the difficulty is increased for reasonably compiling construction organization and traffic organization schemes.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a construction organization and traffic organization simulation method based on a Unity platform, which can integrate 4D visual expression of construction procedures and traffic flows simultaneously, realize visual display of construction organization and traffic organization schemes under the same space-time model and verify the rationality of the construction organization and traffic organization schemes.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a construction organization and traffic organization simulation method based on a Unity platform comprises the following steps:
step 4, importing the FBX model file subjected to the model-data link in the step 3, a construction organization traffic organization Excel data table and a vehicle flow track three-dimensional space point txt format file into a Unity platform for integration;
and 8, carrying out simulated driving, and carrying out first visual angle simulated driving according to the selected date and driving direction to judge whether the scheme has collision or not and whether the construction organization traffic organization plan is reasonable or not.
Optionally, the method for constructing the scene in the step 1 specifically includes:
step 1.1, establishing an environment model: collecting topography and images in the construction organization and traffic organization range, and importing the topography and the images into Infraworks software to establish an environment model;
step 1.2, building an engineering model: the current engineering model and the built design model are built by adopting Autodesk Civil3D software, and model components are built according to the construction procedure;
step 1.3, establishing a measure model: establishing a traffic temporary measure model such as an anti-collision pier, a water horse and the like by adopting Autodesk Civil3D software;
step 1.4, outputting an FBX model: and (3) importing the models created in the step (1.2) and the step (1.3) into the environment model created in the step (1.1) for integration, and outputting the FBX model.
Optionally, the method for processing the construction organization traffic organization scheme in the step 2 specifically comprises the following steps:
step 2.1, making a construction organization plan: a construction organization plan Excel data table is formulated according to a construction organization scheme, wherein the table comprises a number, an ID, a starting time, a terminating time, a simulation mode, a type and the like;
step 2.2, making a traffic organization plan: a traffic organization plan Excel data table is formulated according to a traffic organization scheme, wherein the table comprises driving directions and states, starting time, ending time, path files and the like;
step 2.3, manufacturing a traffic flow track: and adopting Autodesk Civil3D software to manufacture three-dimensional space point files of traffic flow tracks on different lanes in different directions according to traffic organization schemes, and outputting the three-dimensional space point files as txt formats.
Optionally, the method for step 3 model-data linking specifically includes:
step 3.1, importing the FBX model file output in the step 1.4 into Autodesk 3ds Max software, modifying the names of the FBX model components according to the ID names in the Excel table of the construction organization plan in the step 2.1, ensuring that the names of the FBX model components are consistent with the ID names in the Excel table, and outputting the FBX model file;
and 3.2, modifying the file name of the traffic flow track txt format in the step 2.3 into the file name of the path in the Excel data table of the traffic organization plan in the step 2.2, and ensuring that the traffic flow model is consistent with the traffic organization plan.
Optionally, the method for integrating in the step 4Unity platform specifically includes:
step 4.1, progress plan data warehouse entry: reading construction organization and traffic organization plan Excel tables in the step 2.1 and the step 2.2 respectively in the Unity platform, and establishing a construction organization plan database and a traffic organization plan database respectively;
and 4.2, integrating and warehousing the model: importing the FBX model file output in the step 3.1 into a Unity platform, setting a model mapping path, acquiring the names of the FBX model components, and adding the names into a construction organization plan database;
step 4.3, warehousing the traffic flow track points: and (3) importing the three-dimensional space point txt file of the traffic flow track modified in the step (3.2) into a Unity platform, and establishing a corresponding resource library.
Optionally, the method for analyzing and processing the scheme in the step 5 specifically includes:
step 5.1, model simplification processing: the whole scene is properly simplified, a road surface model is mainly displayed, and the existing roads, the protection channels, the closed roads and the like are marked with different colors according to a traffic organization scheme;
step 5.2, creating a progress bar: calculating the starting time and the final ending time according to the construction organization traffic organization schedule in the warehouse entry of the step 4.1, creating a progress bar corresponding to the starting time and the ending time, and displaying the names of the main traffic control events on the progress bar;
step 5.3, scheme analysis: quickly dragging the progress bar created in the step 5.2, and searching model components and states which should be displayed in the corresponding time period in the database according to the return time point of the progress bar, and updating the models and colors in the scene;
optionally, the method for developing the construction organization simulation in the step 6 specifically includes:
step 6.1, loading an Excel table: a load Excel table button is arranged above the scene and used for selecting a new construction organization plan Excel data table to load and establishing a construction organization plan database, and the Excel data table format is consistent with the construction organization plan table in the step 2.1;
step 6.2, creating a construction progress Gantt chart: creating a popupable construction progress Gantt chart below the scene, wherein the horizontal axis of the Gantt chart displays the date, and automatically calculating the start and stop date according to the construction organization plan Excel data table loaded in the step 6.1; the Gantt chart vertical axis displays model component names from the type names in the Excel data sheet of step 6.1;
step 6.3, creating a calendar table: creating a calendar table on the right side of the Gantt chart of the construction progress and at the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states which should be displayed in the corresponding time period in the database according to the returned dates after the selected dates;
step 6.4, construction progress simulation: the model in the scene will be dynamically simulated from the start date of the construction plan at a rate representing 1 day every 1 second, with the model being displayed or disappeared according to the current date and the corresponding simulation in the database.
Optionally, the method for developing the traffic organization simulation in the step 7 specifically includes:
step 7.1, creating a traffic organization Gantt chart: creating a popupable Gantt chart of traffic organization under the scene, wherein the horizontal axis of the Gantt chart displays the date, and the vertical axis of the Gantt chart displays the driving direction; the date comes from the start-stop date in the traffic organization plan database of the step 4.1, and the driving direction name comes from the driving direction name and the state in the traffic organization plan database of the step 4.1, wherein different driving states are represented by different colors;
step 7.2, creating a calendar table: creating a calendar table on the right side of the traffic organization Gantt chart created in the step 7.1 and on the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states, driving parties and states which are needed to be displayed in a corresponding time period in a database according to the returned dates after the selected dates;
step 7.3, traffic organization simulation: the method comprises the steps of dynamically simulating from a traffic organization plan starting date at a speed of representing 1 day every 1 second, displaying or disappearing models in a scene according to the current date and corresponding simulation modes in a database, and displaying or disappearing traffic flow in the scene according to the current date and corresponding state information in the database.
Optionally, the method for performing the simulated driving in step 8 specifically includes:
step 8.1, creating a calendar table: creating a calendar table at the upper left of the scene for selecting a date;
step 8.2, creating a driving direction table: creating a driving direction table on the right side of the calendar table created in the step 8.1, wherein the driving direction name is from the traffic organization plan database created in the step 4.1;
step 8.3, starting to simulate driving: calculating whether a simulated driving condition is provided under the selected date according to the date selected on the calendar in the step 8.1 and the driving direction selected on the driving direction table in the step 8.2, if the condition is not provided, giving a prompt, and if the condition is provided, starting simulated driving at a first visual angle, wherein the track of the visual angle is the height of the driver sight line on the basis of the z-direction elevation of the three-dimensional space point of the traffic track in the resource library established in the step 4.3;
step 8.4, scheme optimization: step 8.3, judging whether the model collision problem exists in the scheme according to the model reflected by the first visual angle and the traffic flow situation after the simulation driving is started, and if so, returning to the step 1 to adjust the scheme model; and (3) judging whether the established construction organization plan and the traffic organization plan are reasonable or not according to the model reflected by the first view angle and the traffic flow condition, and if not, returning to the step (2) to adjust the progress plan.
In the specific steps, the step 3 and the step 7 are key, the step 3 ensures that the ID and the model name in the construction organization plan and the traffic organization plan are kept consistent, the ID and the model name are kept unique, and a guarantee is provided for driving the model based on data; and 7, adding a traffic flow model on the basis of the construction organization, creatively expressing the traffic organization in a Gantt chart mode, realizing 4D progress simulation of the construction organization and the traffic organization under the same space-time model, and solving the trouble of difficult expression of the current construction organization and the traffic organization.
Compared with the prior art, the invention has the following technical advantages:
1) The construction progress simulation based on the Unity platform is better than that based on Navisworks in scene and model shadow effect;
2) According to the invention, traffic organization simulation and simulated driving are added on the basis of construction organization simulation, and fusion of construction organization and traffic organization simulation under the same space-time model is realized for the first time;
3) The whole construction scheme and traffic guiding measures are displayed in a gradually deep mode, the reasonability of the construction scheme and the traffic organization scheme is checked at a first visual angle of a driver, and the construction procedure is planned in advance;
4) Only the schedule is required to be adjusted and then reintroduced, so that construction organization and traffic organization schemes can be quickly browsed in the same three-dimensional space and time dimension, and the rationality of the schemes is checked.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a construction organization and traffic organization simulation method based on a Unity platform;
FIG. 2 is a flow chart of the step 8 simulated driving module of the present invention;
FIG. 3 is an interface diagram of the present invention after step 5;
FIG. 4 is an interface diagram of the present invention after step 6;
FIG. 5 is an interface diagram of the present invention after step 7;
fig. 6 is an interface diagram of the present invention after step 8 is performed.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
According to the steps shown in fig. 1, the construction organization and traffic organization simulation method based on the Unity platform is described in detail.
S1, building an engineering scene in a construction organization and traffic organization range, wherein the engineering scene comprises an environment model such as engineering surrounding terrain, an engineering model, a construction and traffic temporary measure model and the like, and outputting an FBX model after integration, and the method specifically comprises the following steps of:
s1.1, establishing an environment model: collecting topography and images in construction organization and traffic organization ranges, wherein the topography can be derived from network open source data or topography map data; the image can be sourced from network open source data or aerial photography, is processed into a TIF format through Autodesk Civil3D, and is imported into Infraworks software to establish an environment model;
s1.2, building an engineering model: the current engineering model and the built design model are built by adopting Autodesk Civil3D software, model components are built according to construction work decomposition (WBS), and the model components are named according to WBS decomposition, if the WBS decomposition name of a pier is a D ramp bridge-1 # pier foundation and a lower structure-1# -1 bored pile, the model is built in the Autodesk Civil3D software, the layer name is modified into a D ramp bridge-1 # pier foundation and a lower structure-1 bored pile, and the model is output in a DWG format;
s1.3, establishing a measure model: an Autodesk Civil3D software is adopted to establish a traffic temporary measure model such as an anti-collision pier, a water horse and the like, because the temporary measure does not decompose WBS work and needs to be additionally numbered, the uniqueness of the number is ensured, the naming of a layer is the same as that of the step S1.2, the model is modified into the number of the model, and the model is output into a DWG format;
s1.4, outputting an FBX model: and importing the DWG format model created in the step S1.2 and the step S1.3 into the environment model established in the step S1.1 for integration, and outputting the FBX model.
S2, processing construction organization and traffic organization schemes, and processing the construction organization scheme and the traffic organization scheme into an Excel data table with a fixed format and a traffic track three-dimensional space point file with a txt format, wherein the method specifically comprises the following steps of:
s2.1, making a construction organization plan: a construction organization plan Excel data table is formulated according to a construction organization scheme, wherein the table comprises a number, an ID (identity), a starting time, a terminating time, a simulation mode, a type and the like, the ID is a WBS work decomposition name, the starting time and the terminating time are the planning time of the component in the construction organization scheme, the simulation mode is corresponding to disappearance or growth according to demolition or new construction in the construction organization scheme, and the road classification with the type of the ID is shown in a construction organization plan table in table 1;
TABLE 1 construction organization schedule
S2.2, making a traffic organization plan: a traffic organization plan Excel data table is formulated according to a traffic organization scheme, wherein the table comprises driving directions and states, starting time, ending time, path files and the like, the path files are traffic flow track txt files corresponding to the driving directions, the production method is shown in step S2.3, and the traffic organization plan table is shown in table 2;
TABLE 2 traffic organization schedules
| Traveling direction and state | Start time | End time | Path file |
| D ramp (sunshine-Shanghai) | |||
| Old road running | 2018/5/1 | 2018/7/23 | sunlight-Shanghai-Lao Luo. |
| Closure | |||
| 2018/7/24 | 2019/5/31 | sunlight-Shanghai-seal. Txt | |
| Road-changing travel | 2019/6/1 | 2019/11/30 | sunlight-Shanghai-Change of road. Txt |
| New road driving | 2019/12/1 | 2020/6/30 | sunlight-Shanghai-New road txt |
S2.3, manufacturing a traffic flow track: and adopting Autodesk Civil3D software to manufacture traffic flow track point files on different lanes in different directions according to traffic organization schemes. Firstly converting a lane model into a curved surface object in Civil3D, then embossing a lane center line on the lane curved surface object, finally extracting three-dimensional coordinate points of the lane center line according to a fixed distance such as 10 m intervals, and outputting the three-dimensional coordinate points (x, y, z) into txt format.
S3, performing model-data link processing, wherein the model-data link processing is mainly used for ensuring that the names of the FBX model components in the step S1 are consistent with the ID names in the Excel data sheet of the construction organization plan and the traffic organization plan in the step S2; the method specifically comprises the following steps:
s3.1, importing the FBX model file output in the step S1.4 into Autodesk 3ds Max software, automatically adding a Layer character on a model construction name after the model component name in Autodesk Civil3D software enters the Autodesk 3ds Max software, and modifying the FBX model component name according to the ID name in an Excel table of the construction organization plan in the step S2.1 to ensure that the FBX model component name is consistent with the ID name in the Excel table, and outputting the FBX model file;
s3.2, modifying the file name of the traffic flow track txt format in the step S2.3 into the file name of the path in the traffic organization plan table in the table 2 in the step S2.2, and ensuring that the traffic flow model is consistent with the traffic organization plan.
S4, importing the FBX model file subjected to the model-data link in the step S3, a construction organization traffic organization Excel data table and a traffic flow track three-dimensional space point txt format file into a Unity platform for integration, and specifically comprising the following steps of:
s4.1, progress plan data warehouse entry: respectively reading construction organization and traffic organization plan Excel tables in the step S2.1 and the step S2.2 in the Unity platform, respectively establishing a corresponding construction organization plan database and a corresponding traffic organization plan database, wherein the database fields correspond to the Excel tables, and the content is consistent with the Excel tables;
s4.2, integrating and warehousing the model: importing the FBX model file output in the step S3.1 into a Unity platform, setting a model mapping path, acquiring the names of the FBX model components, adding a column of field 'model names' into a construction organization plan database established in the step S4.1, and adding the names of the FBX model components into the field 'model names' of the construction organization plan database;
s4.3, warehousing traffic flow track points: and (3) importing the three-dimensional space point txt file of the traffic flow track modified in the step (S3.2) into a Unity platform, and establishing a corresponding resource library, wherein the resource name is consistent with the txt file of the track point.
S5, simplifying various construction organizations or traffic organization schemes, distinguishing different construction traffic states by using different color models, expressing construction organization and traffic organization progress plans by using progress bars, and representing key traffic control events on the progress bars, wherein the method specifically comprises the following steps of:
s5.1, model simplification processing: the whole scene is properly simplified, a road surface model is mainly displayed, and the existing roads, the road protection ways, the closed roads and the like are marked with different colors according to a traffic organization scheme, if the clear road section of the existing normal traffic road is green, the road section serving as the road protection way when traffic is changed is yellow, the closed road is red, and the road in construction is blue;
s5.2, creating a progress bar: calculating the starting time and the final ending time according to the construction organization traffic organization schedule in the warehouse entry of the step S4.1, creating a progress bar corresponding to the starting time and the final ending time, and displaying main traffic control event names such as D ramp closure, main line left-amplitude conservation and the like on the progress bar;
s5.3, scheme analysis: and (3) rapidly dragging the progress bar created in the step S5.2, searching model components which should be displayed in the corresponding time period in the database and the model and the color in the state updating scene according to the return time point of the progress bar, so that the scheme can be rapidly deduced and checked, and the construction sequence and the road traffic state of each road section of the whole project can be known.
S6, developing construction organization simulation, and importing a construction organization plan Excel data table in the Unity platform or re-importing the Excel data table to drive the engineering model to grow and disappear based on the step S4, wherein the method specifically comprises the following steps of:
s6.1, loading an Excel table: a load Excel table button is arranged above the scene and used for selecting a new construction organization plan Excel data table to load and establishing a construction organization plan database, and the Excel data table format is consistent with the construction organization plan table in the step S2.1;
s6.2, creating a construction progress Gantt chart: creating a popupable construction progress Gantt chart below the scene, wherein the horizontal axis of the Gantt chart displays the date, and automatically calculating the start and stop date according to the construction organization plan Excel data table loaded in the step S6.1; the Gantt chart vertical axis displays model component names from type names in the step S6.1excel data sheet, such as 'main line', 'D ramp', etc.;
s6.3, creating a calendar table: creating a calendar table on the right side of the construction progress Gantt chart created in the step S6.1 and on the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states which are needed to be displayed in the corresponding time period in the database according to the returned dates after the selected dates are selected, and updating the models in the scene;
s6.4, simulating construction progress: dynamically simulating from the construction plan starting date according to the speed of representing 1 day every 1 second, displaying or disappearing the model in the scene according to the current date and the corresponding simulation mode in the database, for example, dismantling the D ramp bridge from 24 days to 25 days of 7 months in 2018 in the construction organization plan, and disappearing the D ramp bridge model from 24 days to 25 days of 7 months in the construction progress Gantt chart.
S7, carrying out traffic organization simulation, and driving the display and hiding of traffic flows and temporary traffic measures in different directions based on the traffic organization plan Excel data table imported into the Unity platform in the step S4, wherein the method specifically comprises the following steps of:
s7.1, creating a traffic organization Gantt chart: creating a popupable Gantt chart of traffic organization under the scene, wherein the horizontal axis of the Gantt chart displays the date, and the vertical axis of the Gantt chart displays the driving direction; the date comes from the start-stop date in the traffic organization plan database in the step S4.1, and the driving direction name comes from the driving direction name in the traffic organization plan database in the step S4.1, wherein different driving states are represented by different colors, such as green represents normal traffic, red represents closure, and yellow represents traffic with a bowel-relaxing effect;
s7.2, creating a calendar table: creating a calendar table on the right side of the traffic organization Gantt chart created in the step S7.1 and on the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states which should be displayed in the corresponding time period in the database according to the returned dates after the selected dates, and updating the model components and the traffic flows in the scene according to the driving directions and the states;
s7.3, traffic organization simulation: dynamically simulating from the traffic organization plan starting date according to the speed of representing 1 day every 1 second, displaying or disappearing the model in the scene according to the current date and the corresponding simulation mode in the database, and displaying or disappearing the traffic flow in the scene according to the current date and the corresponding state information in the database; for example, when the D-ramp bridge in the construction organization plan is dismantled from 24 days of 7 months to 25 days of 7 months, the D-ramp (sun-Shanghai) in the traffic organization plan is closed from 24 months of 7 months of 2018 to 5 months of 2019, and the D-ramp direction in the corresponding period of time in the traffic organization Gantt chart is red, and no traffic flow model exists in the D-ramp direction in the scene.
S8, carrying out simulated driving, namely carrying out first visual angle simulated driving according to the selected date and driving direction to judge whether the scheme has collision or not and whether the construction organization traffic organization plan is reasonable or not, as shown in FIG 6, specifically comprising the following steps:
s8.1, creating a calendar table: creating a calendar table at the upper left of the scene for selecting a date;
s8.2, creating a driving direction table: creating a driving direction list on the right side of the calendar created in the step S8.1, wherein the driving direction name is from the traffic organization plan database created in the step 4.1;
s8.3, starting to simulate driving: as shown in fig. 2, according to the date selected on the calendar of step S8.1 and the driving direction selected on the driving direction table of step S8.2, the traffic organization plan database established in step S4.1 is combined to calculate whether the selected date has the simulated driving condition, if not, a prompt is given, for example, the direction of the D ramp (sun-Shanghai) of 24 th 7 th 2018 is selected, and because the direction in the traffic organization plan database is a closed condition in the date section, the prompt that the road is closed and driving cannot be simulated is given, and the date and the driving direction need to be selected again; if the condition is provided, starting to simulate driving at a first visual angle; the visual angle track is obtained by adding the sight height of a driver to the z-direction elevation of the three-dimensional space point of the traffic flow track in the resource library established in the step S4.3, wherein the visual angle track is generally 1.2 meters, and the simulated driving speed is generally the design speed;
s8.4, scheme optimization: step S8.3, judging whether the model collides with the problem in the scheme according to the model reflected by the first visual angle and the traffic flow situation after the simulation driving is started, and if so, returning to the step S1 to adjust the scheme model; judging whether the established construction organization plan and traffic organization plan are reasonable or not according to the model reflected by the first visual angle and the traffic flow condition, and if not, returning to the step S2 to adjust the progress plan; by adjusting the construction organization schedule in the step S2.1 and the traffic organization schedule in the step S2.2, the construction organization and the traffic organization schemes can be quickly browsed in the same three-dimensional space and time dimension, and the rationality of the schemes can be checked.
While the invention has been described with respect to specific embodiments thereof, it will be appreciated that the invention is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A construction organization and traffic organization simulation method based on a Unity platform is characterized by comprising the following steps:
step 1, building engineering scenes in construction organization and traffic organization ranges, wherein the engineering scenes comprise an engineering surrounding terrain environment model, an engineering model and a construction and traffic temporary measure model, and outputting an FBX model after integration;
step 2, processing construction organization and traffic organization schemes, and processing the construction organization scheme and the traffic organization scheme into an Excel data table with a fixed format and a traffic track three-dimensional space point file with a txt format;
step 3, performing model-data link processing to ensure that the names of the FBX model components are consistent with the ID names in the construction organization plan Excel table, and the file names of the traffic flow track txt format are consistent with the file names of the paths in the traffic organization plan Excel table;
step 4, importing the FBX model file subjected to the model-data link in the step 3, a construction organization traffic organization Excel data table and a vehicle flow track three-dimensional space point txt format file into a Unity platform for integration;
step 5, simplifying various construction organizations or traffic organization schemes, distinguishing different construction traffic states by using different color models, expressing construction organization and traffic organization progress plans by using progress bars, and expressing key traffic control events on the progress bars;
step 6, developing construction organization simulation, and driving the engineering model to grow and disappear based on the construction organization plan Excel data table imported into the Unity platform in the step 4 or the Excel data table imported again;
step 7, developing traffic organization simulation, and driving traffic flows in different directions and displaying and hiding traffic temporary measures based on the traffic organization plan Excel data table imported into the Unity platform in the step 4;
and 8, carrying out simulated driving, and carrying out first visual angle simulated driving according to the selected date and driving direction to judge whether the scheme has collision or not and whether the construction organization traffic organization plan is reasonable or not.
2. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 1 comprises:
step 1.1, establishing an environment model: collecting topography and images in the construction organization and traffic organization range, and importing the topography and the images into Infraworks software to establish an environment model;
step 1.2, building an engineering model: the current engineering model and the built design model are built by adopting Autodesk Civil3D software, and model components are built according to the construction procedure;
step 1.3, establishing a measure model: establishing a traffic temporary measure model by adopting Autodesk Civil3D software, wherein the traffic temporary measure model comprises an anti-collision pier and a water horse;
step 1.4, outputting an FBX model: and (3) importing the models created in the step (1.2) and the step (1.3) into the environment model created in the step (1.1) for integration, and outputting the FBX model.
3. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 2 comprises:
step 2.1, making a construction organization plan: a construction organization plan Excel data table is formulated according to a construction organization scheme, wherein the table comprises a number, an ID, a starting time, a terminating time, a simulation mode and a type;
step 2.2, making a traffic organization plan: a traffic organization plan Excel data table is formulated according to a traffic organization scheme, wherein the table comprises driving directions and states, starting time, ending time and path files;
step 2.3, manufacturing a traffic flow track: and adopting Autodesk Civil3D software to manufacture three-dimensional space point files of traffic flow tracks on different lanes in different directions according to traffic organization schemes, and outputting the three-dimensional space point files as txt formats.
4. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 3 comprises:
step 3.1, importing the FBX model file output in the step 1.4 into Autodesk 3ds Max software, modifying the names of the FBX model components according to the ID names in the Excel table of the construction organization plan in the step 2.1, ensuring that the names of the FBX model components are consistent with the ID names in the Excel table, and outputting the FBX model file;
and 3.2, modifying the file name of the traffic flow track txt format in the step 2.3 into the file name of the path in the Excel data table of the traffic organization plan in the step 2.2, and ensuring that the traffic flow model is consistent with the traffic organization plan.
5. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 4 comprises:
step 4.1, progress plan data warehouse entry: reading construction organization and traffic organization plan Excel tables in the step 2.1 and the step 2.2 respectively in the Unity platform, and establishing a construction organization plan database and a traffic organization plan database respectively;
and 4.2, integrating and warehousing the model: importing the FBX model file output in the step 3.1 into a Unity platform, setting a model mapping path, acquiring the names of the FBX model components, and adding the names into a construction organization plan database;
step 4.3, warehousing the traffic flow track points: and (3) importing the three-dimensional space point txt file of the traffic flow track modified in the step (3.2) into a Unity platform, and establishing a corresponding resource library.
6. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 5 comprises:
step 5.1, model simplification processing: the whole scene is properly simplified, a road surface model is mainly displayed, and different colors of marks are made on the existing road, the protection road and the closed road according to the traffic organization scheme;
step 5.2, creating a progress bar: calculating the starting time and the final ending time according to the construction organization traffic organization schedule in the warehouse entry of the step 4.1, creating a progress bar corresponding to the starting time and the ending time, and displaying the names of the main traffic control events on the progress bar;
step 5.3, scheme analysis: and (3) quickly dragging the progress bar created in the step 5.2, and searching model components and states which should be displayed in the corresponding time period in the database according to the return time point of the progress bar, and updating the models and colors in the scene.
7. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 6 comprises:
step 6.1, loading an Excel table: a load Excel table button is arranged above the scene and used for selecting a new construction organization plan Excel data table to load and establishing a construction organization plan database, and the Excel data table format is consistent with the construction organization plan table in the step 2.1;
step 6.2, creating a construction progress Gantt chart: creating a popupable construction progress Gantt chart below the scene, wherein the horizontal axis of the Gantt chart displays the date, and automatically calculating the start and stop date according to the construction organization plan Excel data table loaded in the step 6.1; the Gantt chart vertical axis displays model component names from the type names in the Excel data sheet of step 6.1;
step 6.3, creating a calendar table: creating a calendar table on the right side of the Gantt chart of the construction progress and at the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states which should be displayed in the corresponding time period in the database according to the returned dates after the selected dates;
step 6.4, construction progress simulation: the model in the scene will be dynamically simulated from the start date of the construction plan at a rate representing 1 day every 1 second, with the model being displayed or disappeared according to the current date and the corresponding simulation in the database.
8. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein the step 7 comprises:
step 7.1, creating a traffic organization Gantt chart: creating a popupable Gantt chart of traffic organization under the scene, wherein the horizontal axis of the Gantt chart displays the date, and the vertical axis of the Gantt chart displays the driving direction; the date comes from the start-stop date in the traffic organization plan database of the step 4.1, and the driving direction name comes from the driving direction name and the state in the traffic organization plan database of the step 4.1, wherein different driving states are represented by different colors;
step 7.2, creating a calendar table: creating a calendar table on the right side of the traffic organization Gantt chart created in the step 7.1 and on the right lower side of the scene, wherein the calendar table can select specific dates, and searching model components and states, driving directions and states which are needed to be displayed in the corresponding time period in the database according to the returned dates after the selected dates are selected, and updating the model components and the traffic flows in the scene;
step 7.3, traffic organization simulation: the method comprises the steps of dynamically simulating from a traffic organization plan starting date at a speed of representing 1 day every 1 second, displaying or disappearing models in a scene according to the current date and corresponding simulation modes in a database, and displaying or disappearing traffic flow in the scene according to the current date and corresponding state information in the database.
9. The method for simulating construction organization and traffic organization based on the Unity platform according to claim 1, wherein said step 8 comprises:
step 8.1, creating a calendar table: creating a calendar table at the upper left of the scene for selecting a date;
step 8.2, creating a driving direction table: creating a driving direction table on the right side of the calendar table created in the step 8.1, wherein the driving direction name is from the traffic organization plan database created in the step 4.1;
step 8.3, starting to simulate driving: calculating whether a simulated driving condition is provided under the selected date according to the date selected on the calendar in the step 8.1 and the driving direction selected on the driving direction table in the step 8.2, if the simulated driving condition is not provided, giving a prompt, wherein the condition is provided with a step of starting simulated driving at a first visual angle, and the visual angle track is the height of the driver sight on the basis of the z-direction elevation of the three-dimensional space point of the traffic flow track in the resource library established in the step 4.3;
step 8.4, scheme optimization: step 8.3, judging whether the model collision problem exists in the scheme according to the model reflected by the first visual angle and the traffic flow situation after the simulation driving is started, and if so, returning to the step 1 to adjust the scheme model; and (3) judging whether the established construction organization plan and the traffic organization plan are reasonable or not according to the model reflected by the first view angle and the traffic flow condition, and if not, returning to the step (2) to adjust the progress plan.
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