Road network operation monitoring data screen projection method and system

Abstract

The application discloses a kind of road network operation monitoring data screen projection methods, it includes based on screen projection demand configuration multiple screen projection tasks, each screen projection task includes multiple first-level screen projection layers, the construction of each first-level screen projection layer includes the following steps: initialization of screen projection layer setting;Obtain monitoring data two-dimensional table;Based on two-dimensional table extraction multiple screen projection display components;Multiple screen projection display components include GIS display information, first-level statistical index, second-level statistical index and visual chart;Multiple screen projection display components are interactively associated, and form first-level screen projection layer.The application solves the generation logic problem of monitoring business visualization, gives the automatic generation method of monitoring business visualization, so as to be able to cope with the complexity problem of monitoring business in monitoring business visualization level.

Description

Technical Field

[0001] This invention relates to the field of intelligent traffic monitoring technology. More specifically, this invention relates to a method and system for projecting road network operation monitoring data onto a screen. Background Technology

[0002] Highway transportation plays a vital role in my country's economic and social development. Maintaining the stable and efficient operation of the highway network is crucial for adjusting the industrial structure, promoting employment and economic development, and accelerating the process of urban-rural integration. In recent years, with the rapid growth of motor vehicle ownership and the gradual increase in highway transportation demand, highway traffic incidents have occurred frequently and have a significant social impact. The operational pressure on ensuring the smooth flow of traffic on the highway network is constantly increasing, making it urgent to build a real-time monitoring capability for the operation of the highway network.

[0003] With the extensive deployment of road measurement points and mobile location sensors in the highway industry, we can collect massive amounts of data to build real-time monitoring capabilities for highway network operation. Generally speaking, in big data-based road network operation monitoring scenarios, capability building needs to cover two aspects: the ability to build monitoring business systems and the ability to visualize monitoring business (especially screen projection visualization). These two aspects have different functional focuses, complementing and integrating each other. The former primarily targets operational personnel, covering meso- and micro-level functions; the latter primarily targets business management and decision-makers, covering macro- and meso-level functions.

[0004] The complexity of road network operation monitoring lies in the fact that the monitored business entities, their spatiotemporal range, and characteristic attributes are dynamically evolving for different monitoring needs. Existing technologies, based on a general road network operation monitoring model, solve the customization and capability expansion issues in the monitoring business system construction process by defining the relationship between monitoring tasks, data, and layers. However, facing complex monitoring business needs, how to define the business logic for monitoring business visualization and realize the ability to dynamically build monitoring business projection visualization remains a problem that urgently needs to be solved. Summary of the Invention

[0005] One object of the present invention is to solve at least the above-mentioned problems and to provide at least the advantages that will be described later.

[0006] Another objective of this invention is to provide a method and system for projecting road network operation monitoring data onto a screen. This method primarily addresses the generation logic problem of monitoring business visualization and provides an automatic generation method for monitoring business visualization, thereby enabling the handling of the complexity of monitoring business at the visualization level.

[0007] To achieve these objectives and other advantages according to the present invention, a method for projecting road network operation monitoring data is provided, which includes configuring multiple projection tasks based on projection requirements, each projection task including multiple primary projection layers, and the construction of each primary projection layer including the following steps:

[0008] Initialize the screen mirroring layer settings;

[0009] Obtain a two-dimensional table of monitoring data;

[0010] Multiple projection display components are extracted based on a two-dimensional table; these components include GIS display information, primary statistical indicators, secondary statistical indicators, and visualization charts.

[0011] Multiple screen projection components are interactively linked to form a first-level screen projection layer.

[0012] Preferably, in the method for projecting road network operation monitoring data, the projecting task further includes multiple secondary projecting layers, each of which is formed by recombination of multiple projecting display components from at least two primary projecting layers.

[0013] Preferably, the method for projecting road network operation monitoring data onto a screen extracts multiple projection display components based on a two-dimensional table, specifically as follows:

[0014] GIS display information is extracted based on a two-dimensional table. The GIS display information includes the monitoring attributes and monitoring data information of the projected object.

[0015] Extracting primary statistical indicators from two-dimensional tables;

[0016] Secondary statistical indicators are obtained by extending primary statistical indicators;

[0017] Visual charts are created based on primary and secondary statistical indicators.

[0018] Preferably, the initialization of the projection layer settings in the road network operation monitoring data projection method includes: setting the resolution of the projection layer, dividing the display area of ​​the projection layer, and establishing a visualization coordinate system for the projection layer.

[0019] The display area of ​​the projection layer is divided into multiple regions, including a GIS visualization area, an indicator area, and a chart area; GIS display information corresponds to the GIS visualization area; primary and secondary statistical indicators correspond to the indicator area; and visualization charts correspond to the chart area.

[0020] Preferably, the method for projecting road network operation monitoring data involves obtaining a two-dimensional table of monitoring data by: reading the attribute fields corresponding to the preset monitoring theme and monitoring layer from the collected monitoring data, and generating a two-dimensional table based on the attribute fields.

[0021] Preferably, the method for projecting road network operation monitoring data includes primary statistical indicators, which include primary indicator names and primary indicator data. The extraction of primary statistical indicators based on a two-dimensional table specifically involves: extracting monitoring data corresponding to a set of objects within a preset time period from the two-dimensional table based on preset primary indicator names, and analyzing the monitoring data to obtain primary indicator data.

[0022] Secondary statistical indicators include secondary indicator names and secondary indicator data. Secondary statistical indicators are obtained by extending from primary statistical indicators. Specifically, the names of secondary indicators are determined based on preset dimensions, and secondary indicator data is extracted from primary indicator data based on the names of secondary indicators.

[0023] Preferably, in the method for projecting road network operation monitoring data, the preset dimensions are spatial and temporal dimensions.

[0024] Preferably, the road network operation monitoring data projection method further includes an alarm zone in multiple areas. When the primary indicator data and / or secondary indicator data exceed a preset safety threshold, an alarm message is generated and displayed in the alarm zone.

[0025] The present invention also provides a system for projecting road network operation monitoring data onto a screen, comprising: one or more processors and a storage device storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the above-described method for projecting road network operation monitoring data onto a screen.

[0026] The present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the above-described method for projecting road network operation monitoring data onto a screen is implemented.

[0027] The present invention has at least the following beneficial effects:

[0028] This invention solves the problem of the generation logic of monitoring business visualization and provides an automatic generation method for monitoring business visualization, thereby addressing the complexity of monitoring business at the visualization level. Specifically, it automatically generates several projection layers according to the projection object corresponding to the projection requirements, meeting the needs of general road network operation monitoring business visualization. Furthermore, by defining the time and space dimensions, it has the ability to cope with complex monitoring business scenarios, realizing flexible visualization of complex monitoring data through dynamic multiple projection layers, and has good business customization and scalability.

[0029] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the projection layer of the present invention;

[0031] Figure 2 This is a schematic diagram illustrating the relationship between the monitoring layer and the projection layer of this invention. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0033] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0034] It should be noted that, unless otherwise specified, the experimental methods described in the following implementation plan are all conventional methods, and the reagents and materials described are all commercially available unless otherwise specified.

[0035] In the description of this invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0036] This invention provides a method for projecting road network operation monitoring data onto a screen, which includes configuring multiple projection tasks based on projection requirements. Each projection task includes multiple first-level projection layers, and the construction of each first-level projection layer includes the following steps:

[0037] Initialize the screen mirroring layer settings;

[0038] Obtain a two-dimensional table of monitoring data;

[0039] Multiple projection display components are extracted based on a two-dimensional table; these components include GIS display information, primary statistical indicators, secondary statistical indicators, and visualization charts.

[0040] Multiple screen projection components are interactively linked to form a first-level screen projection layer.

[0041] In the above technical solution, in response to the instructions input by the computer, the computer obtains the work to be completed according to the instructions. The screen projection task is a specific screen projection monitoring object generated according to the user's screen projection needs (the need to view the acquired monitoring information). For example, if a user wants to know the traffic operation status of the G1 Beijing-Harbin Expressway Beijing-Qinhuangdao section in both directions from July 1, 2021 to August 31, 2021, the traffic operation status in the above time period and spatial segment constitutes a screen projection task. The traffic operation status includes monitoring information from multiple perspectives such as traffic flow, traffic congestion, traffic incidents, and traffic weather. The monitoring information data from these multiple perspectives constitutes the multiple first-level screen projection layers included in the screen projection task. The monitoring data corresponding to each first-level screen projection layer is used as a... The display screen displays information, and each primary projection layer includes multiple projection display components. Different display units of these components display different projection information. In this invention, the projection display components include, but are not limited to, GIS display information, primary statistical indicators, secondary statistical indicators, and visualization charts. The number and display format of the projection display components are determined based on the initialization settings of the projection layer. That is, multiple projection display components are configured according to standards that can match the display screen of the projection layer. Multiple projection tasks are configured according to projection requirements, and each projection task corresponds to multiple projection layers. Each projection layer can display data from a certain angle or dimension in the projection task through multiple projection display components, which is used to display complex road network operation monitoring data.

[0042] This invention discloses a specific method for constructing projection layers. By dynamically assembling visualization component elements for road network operation monitoring, it satisfies the customization and expansion of road network monitoring business visualization capabilities. At the same time, it solves the problem of the generation logic of monitoring business visualization. Through the multi-layer and multi-level data organization and visualization of this invention, it can provide users with clear and concise dynamic visualization displays in a timely manner, and can address the complexity of monitoring business at the visualization level.

[0043] The construction of each primary projection layer is as follows: First, the projection layer settings are initialized, which is actually the division and definition of the display area of ​​the screen; then, monitoring data is obtained from the monitoring results and organized into a two-dimensional table; multiple projection display components are extracted from the two-dimensional table and associated with the multiple projection display components, that is, clicking on one projection display component will display the corresponding monitoring information in the corresponding position of other projection display components. Multiple projection display components are matched with the projection layer display screen to finally form a primary projection layer.

[0044] In another technical solution, the method for projecting road network operation monitoring data includes a projecting task that further includes multiple secondary projecting layers. Each secondary projecting layer is formed by recombining multiple projecting display components from at least two primary projecting layers.

[0045] In the above technical solution, the present invention reorganizes the display components of several (two or more) primary projection layers to form secondary projection layers, thereby improving the flexibility and variability of the projection method of the present invention.

[0046] In another technical solution, the method for projecting road network operation monitoring data onto a screen extracts multiple projection display components based on a two-dimensional table, specifically as follows:

[0047] GIS display information is extracted based on a two-dimensional table. The GIS display information includes the monitoring attributes and monitoring data information of the projected object.

[0048] Extracting primary statistical indicators from two-dimensional tables;

[0049] Secondary statistical indicators are obtained by extending primary statistical indicators;

[0050] Visual charts are created based on primary and secondary statistical indicators.

[0051] In the above technical solution, the present invention discloses a method for extracting projection display components. Multiple projection display components are extracted from a two-dimensional table formed by the acquired monitoring data. The GIS display information includes the attributes of the monitoring objects corresponding to the data contained in the two-dimensional table, and the monitoring data information. This allows for intuitive visualization of the data contained in the two-dimensional table. Furthermore, more targeted analysis and statistics can be performed on the data in the two-dimensional table to obtain primary statistical indicators. Secondary statistical indicators can be obtained by extending the primary statistical indicators. Visual charts are drawn from the primary and secondary statistical indicator data obtained from the analysis and statistics, making the visualization of the analysis and statistics results more intuitive, clear, and understandable.

[0052] In another technical solution, the initialization of the projection layer settings in the method for projecting road network operation monitoring data includes: setting the resolution of the projection layer, dividing the display area of ​​the projection layer, and establishing a visualization coordinate system for the projection layer.

[0053] The display area of ​​the projection layer is divided into multiple regions, including a GIS visualization area, an indicator area, and a chart area; GIS display information corresponds to the GIS visualization area; primary and secondary statistical indicators correspond to the indicator area; and visualization charts correspond to the chart area.

[0054] In the above technical solution, the present invention divides the display area of ​​the projection layer into three areas: a GIS visualization area, an indicator area, and a chart area. These areas correspond one-to-one with and are displayed by the three projection display components: GIS display information, statistical indicators, and visualization charts. Specifically, as shown below... Figure 1As shown, the indicator area mainly displays primary and secondary statistical indicators. Taking the traffic event projection layer as an example, the indicators of interest at the macro level include, but are not limited to: the total number of events that occur from the beginning of the day, the number of events classified by different characteristic dimensions, such as events of different intensities, events with different triggering causes, etc. Furthermore, the indicator area may also include year-on-year and month-on-month comparisons, changes in ranking, and other indicators for different indicators.

[0055] The chart area mainly displays visual charts obtained by statistical analysis of the primary and secondary statistical indicators of the screen-casting monitoring objects, thereby showing the distribution and changing trends of the screen-casting monitoring objects from different perspectives.

[0056] The GIS visualization area primarily presents the attributes and monitoring data of the monitored objects and links with the indicator area and chart area. For example, when monitoring from the perspective of the total number of events, the GIS visualization area uses a map drill-down method to cluster the total number of events according to dimensions such as province, city, county, and highway, and presents it in the GIS visualization area as a heat map; when drilling down to the county level, the location of the event on the map can be displayed, and further details of the event can be viewed.

[0057] For the same screen mirroring task, the display style of different screen mirroring layers should be consistent and follow the same screen mirroring template.

[0058] Furthermore, several projection templates can be pre-set for each projection layer according to the size of different physical screens and projection needs.

[0059] The initialization of the projection layer settings includes: setting the resolution of the projection layer's display screen, dividing the display area of ​​the projection layer, establishing the projection layer's visual coordinate system, and also establishing a projection message bus to enable data interaction with the projection layer.

[0060] In another technical solution, the method for projecting road network operation monitoring data specifically involves obtaining a two-dimensional table of monitoring data by reading the attribute fields corresponding to the preset monitoring theme and monitoring layer from the collected monitoring data, and generating a two-dimensional table based on the attribute fields.

[0061] For a given monitoring task M, The filtering conditions for the spatial range corresponding to task M are defined; The filtering conditions for the time range corresponding to task M were defined; The filtering conditions for the monitoring objects of task M are defined.

[0062] The two-dimensional table of this invention is generated by the following formula:

[0063]

[0064] The dataFilter() function extracts data from the monitoring data based on filtering conditions. and Screening monitoring targets as well as The corresponding attribute field, which is composed of definition.

[0065] Monitoring layer The generation process is a two-dimensional table The rendering process, i.e. Where φ i for The layer interface rendering method includes the rendering of layers on the layer interface. Methods for performing operations such as retrieval. Monitoring layers. It is the atomic unit of the monitoring business construction, behind which The definition addresses the business logic issues in building a monitoring business system. This invention is based on... like Figure 2 As shown, by constructing a monitoring layer The mirrored image, referred to here as the mirroring layer.

[0066] This invention defines a monitoring layer. Screen mirroring This paper presents an automated method and business logic for generating visualizations of monitoring operations. It utilizes topic definitions and data tables. The generation method defines time, space, and monitoring objects, and is inherently capable of handling complex monitoring business scenarios, with good business customization and scalability.

[0067] Due to the projection layer in this invention It borrows the data table defined by the monitoring topic. Therefore, it can be connected to the monitoring layer. The samples are predefined, enabling the reuse and consolidation of layer-level and even theme-level visualization services. That is, after implementing the method of this invention, several projection layers can be automatically generated for each monitoring theme corresponding to a monitoring requirement, meeting the visualization needs of general monitoring services.

[0068] As shown in Table 1 One example.

[0069] Table 1 Two-dimensional table

[0070]

[0071] As shown in Table 1, for a given monitoring object prk ct k ,cn k Give o respectively k The ID of the province, city, and county where it is located; cn k o was given k The highway ID it is located on; t k It is o k Monitoring data collection time; d1 k ~dn k They represent the monitored objects, respectively. k The monitoring data includes the following data dimensions.

[0072] In another technical solution, the method for projecting road network operation monitoring data includes primary statistical indicators, which include primary indicator names and primary indicator data. The extraction of primary statistical indicators based on a two-dimensional table specifically involves: extracting monitoring data corresponding to a set of objects within a preset time period from the two-dimensional table based on preset primary indicator names, and analyzing the monitoring data to obtain primary indicator data.

[0073] Secondary statistical indicators include secondary indicator names and secondary indicator data. Secondary statistical indicators are obtained by extending from primary statistical indicators. Specifically, the names of secondary indicators are determined based on preset dimensions, and secondary indicator data is extracted from primary indicator data based on the names of secondary indicators.

[0074] In the above technical solution, the present invention discloses a specific method for obtaining primary and secondary statistical indicators. In the present invention, statistical indicators mainly refer to those based on data dimensions D1 to D2. n For the latest statistical period T τ =t b ~t e The data is categorized, retrieved, and summarized based on different dimensions.

[0075] Let the function Based on Extraction time at t b ~t e And satisfy the condition set ψ D The set of monitoring objects Ω ψ ={o k |t k ∈(t b ,t e ), <d1 k ,d2 k ,…,dn k >→ψ D}.here <d1 k ,d2 k ,…,dn k >→ψ D The meaning is that for o kEach dimension of the data feature satisfies ψ D The conditions are set. Note: Here ψ D It can support setting conditions for one or more dimensions. For example, for a traffic event monitoring object, the congestion distance caused by the event is one data dimension, and the cause of the event is another dimension. Therefore, when retrieving events where high traffic volume causes congestion exceeding 10 kilometers, it is necessary to specify the data dimension in ψ. D The conditions are set in two dimensions.

[0076] Let κ ψ =#{o k |t k ∈(t b ,t e ), <d1 k ,d2 k ,…,dn k >→ψ D} represents the number of objects that satisfy the condition, then κ ψ It can be used as a statistical indicator.

[0077] For a We can presuppose a series of conditions ψ D ∈Ψ, thus obtaining multiple statistical indicators of interest κ. ψ ∈K.

[0078] For a given preset condition ψ D ∈Ψ, we can perform spatial decomposition. Taking a high-traffic congestion event exceeding 10 kilometers as an example, if we want to decompose it along the provincial dimension, we can... The province attribute Prov is included in the function Under the given conditions, we obtain Ω1. ψ ={o k |t k ∈(t b ,t e ), <d1 k ,d2 k ,…,dn k >→ψ D ,pr k =pr1}, then the number of events that meet the conditions in all provinces can be obtained, thus completing the calculation of the index κ. ψ Decomposition at the provincial level. Similarly, indicators can be decomposed according to spatial characteristics such as cities, counties, and highways.

[0079] For the time dimension, based on functions Similarly, the current statistical period T can be obtained. τ The first few statistical periods T τ-1 T τ-2…statistical indicator data, thereby achieving statistical indicator κ ψ Extension in the time dimension.

[0080] Furthermore, the index κ can be calculated. ψ Indirect indicators such as year-on-year and month-on-month changes and rankings.

[0081] For statistical indicator κ ψ Numerical indicators such as year-on-year and month-on-month changes and rankings can be integrated into one indicator area for display.

[0082] For statistical indicator κ ψ In terms of spatial decomposition, it can be linked with the GIS display area. For example, based on the provincial decomposition results, a heat map can be used to cover the provincial administrative divisions, thereby intuitively displaying the indicators κ of each province. ψ The size. Similarly, it can display the spatial dimension subscript κ such as city, county, highway, etc. ψ It has a large size and supports map drill-up and down operations.

[0083] At a small scale, all matching criteria ψ can be displayed on a GIS map. D object collection Ω ψ Click on object o k ∈Ω ψ You can view details about this object. Furthermore, you can access more information about the object through its properties. k Use the right-click menu to display the object. k Various charts and graphs showing the indicators in both time and space dimensions.

[0084] For the index κ ψ Extending the time dimension, bar charts, line charts, and other methods can be used to present the changes and development trends of indicators over time.

[0085] According to the indicator κ ψ Condition ψ D The covered indicator dimensions, statistical ψ D Indicator κ under different value ranges under indicator dimensions ψ The statistical values ​​are presented in the form of pie charts, etc., for the indicator κ. ψ Distribution under different conditions.

[0086] In another technical solution, the method for projecting road network operation monitoring data includes two preset dimensions: spatial and temporal. The spatial dimension represents different provinces or different road sections, and the temporal dimension represents different time periods.

[0087] In another technical solution, the method for projecting road network operation monitoring data includes multiple areas, including alarm zones. When primary and / or secondary indicator data exceed a preset safety threshold, alarm information is generated and displayed in the alarm zone. The preset safety threshold is defined in advance. If primary and / or secondary indicator data exceed the preset safety threshold, it indicates that the primary and / or secondary indicator data are abnormal. The cause of the abnormality may be an unexpected event, which could paralyze the road network. Therefore, extra attention is required. This technical solution generates alarm information from primary and / or secondary indicator data exceeding the preset safety threshold and displays it in the alarm zone to promptly alert users and enable timely and effective response measures to ensure the smooth and safe operation of the road network.

[0088] It should be noted that the present invention provides a method based on... Cast to layer The invention generates general methods, but it is not limited to methods such as statistical indicators, charts, and GIS interactions. In fact, layers... Depending on different screen projection needs, both the visual content and the interaction methods can be based on... Conduct in-depth customized development.

[0089] The present invention also provides a system for projecting road network operation monitoring data onto a screen, comprising: one or more processors and a storage device storing one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the above-described method for projecting road network operation monitoring data onto a screen.

[0090] In this technical solution, the system for projecting and displaying management includes a processor and a memory storing program instructions, and may also include a communication interface and a bus. The processor, communication interface, and memory can communicate with each other via the bus. The communication interface can be used for information transmission. The processor can call logical instructions in the memory to execute the aforementioned method for projecting road network operation monitoring data.

[0091] Furthermore, the logical instructions in the aforementioned memory can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium.

[0092] As a computer-readable storage medium, memory can be used to store software programs, computer-executable programs, and the program instructions / modules corresponding to the aforementioned road network operation monitoring data projection method. The processor executes the software programs, instructions, and modules stored in memory to perform functional applications and data processing, thus realizing the aforementioned road network operation monitoring data projection method.

[0093] The memory may include a program storage area and a data storage area. The program storage area may store the operating system and applications required for at least one function; the data storage area may store data created based on the use of the terminal device. Furthermore, the memory may include high-speed random access memory and may also include non-volatile memory.

[0094] The present invention also provides a computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the above-described method for projecting road network operation monitoring data onto a screen is implemented.

[0095] The number of devices and processing scale described herein are for the purpose of simplifying the description of the invention. Applications, modifications, and variations of the invention will be readily apparent to those skilled in the art.

[0096] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A method for projecting road network operation monitoring data, characterized in that, It includes configuring multiple screen casting tasks based on screen casting requirements. Each screen casting task includes multiple first-level screen casting layers. The construction of each first-level screen casting layer includes the following steps: Initialize the screen mirroring layer settings; Obtain a two-dimensional table of monitoring data; Multiple projection display components are extracted based on a two-dimensional table; these components include GIS display information, primary statistical indicators, secondary statistical indicators, and visualization charts. Multiple screen projection components are interactively linked to form a primary screen projection layer; The screen projection task also includes multiple secondary screen projection layers, each of which is formed by recombining multiple screen projection display components from at least two primary screen projection layers; Multiple projection display components are extracted based on a two-dimensional table, specifically: GIS display information is extracted based on a two-dimensional table. The GIS display information includes the monitoring attributes and monitoring data information of the projected object. Extracting primary statistical indicators from two-dimensional tables; Secondary statistical indicators are obtained by extending primary statistical indicators; Visual charts are created based on primary and secondary statistical indicators; The primary statistical indicators include the primary indicator name and the primary indicator data; the extraction of primary statistical indicators based on the two-dimensional table is as follows: the monitoring data corresponding to the set of objects within a preset time period is extracted from the two-dimensional table based on the preset primary indicator name, and the monitoring data is analyzed to obtain the primary indicator data; Secondary statistical indicators include secondary indicator names and secondary indicator data. Secondary statistical indicators are obtained by extending primary statistical indicators, specifically by determining secondary indicator names based on preset dimensions and extracting secondary indicator data from primary indicator data based on secondary indicator names. The preset dimensions are spatial dimension and time dimension.

2. The road network operation monitoring data projection method of claim 1, wherein, The initialization of the projection layer settings includes: setting the resolution of the projection layer, dividing the display area of ​​the projection layer, and establishing the visual coordinate system of the projection layer; The display area of ​​the projection layer is divided into multiple regions, including a GIS visualization area, an indicator area, and a chart area; GIS display information corresponds to the GIS visualization area; primary and secondary statistical indicators correspond to the indicator area; and visualization charts correspond to the chart area. 3.The road network operation monitoring data projection method of claim 1, wherein, The process of obtaining a two-dimensional table of monitoring data involves reading the attribute fields corresponding to the preset monitoring theme and monitoring layer from the collected monitoring data, and generating a two-dimensional table based on the attribute fields.

4. The road network operation monitoring data projection method of claim 2, wherein, Multiple areas also include alarm zones. When the primary indicator data and / or secondary indicator data exceed the preset safety threshold, alarm information is generated and displayed in the alarm zone.

5. The system for projecting road network operation monitoring data, characterized in that, include: One or more processors; a storage device that stores one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the method for projecting road network operation monitoring data as described in any one of claims 1 to 4.

6. A computer readable storage medium having stored thereon a computer program, characterized in that When the computer program is executed by the processor, it implements the method for projecting road network operation monitoring data as described in any one of claims 1 to 4.

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