CN111899337B - Model service chain driven environment emergency monitoring and virtual simulation method and device - Google Patents
Model service chain driven environment emergency monitoring and virtual simulation method and device Download PDFInfo
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Abstract
The invention discloses an environment emergency monitoring and virtual simulation method and device driven by a model service chain, which belong to the field of remote sensing and geographic information, and specifically comprise the following steps: firstly, building an environment emergency monitoring OGC standardized model sub-service from normal monitoring, disaster warning and emergency response; then, intelligent combination is carried out on the model sub-services based on Web service Business Process Execution Language (BPEL) so as to construct an environment emergency monitoring model service chain; secondly, constructing a virtual simulation module based on a virtual geographic environment technology so as to realize the visualization of an environment emergency monitoring virtual simulation process; and realizing the two-way communication between the model service chain and the virtual simulation module by constructing a message communication mechanism in the model service chain and the virtual geographic environment. The invention drives the environment normal state monitoring and emergency monitoring in a model service chain mode, and drives the three-dimensional synchronous real-time virtual simulation and interaction of the environment monitoring, thereby realizing the automation, the intellectualization, the high efficiency and the virtual visualization of the environment monitoring process.
Description
Technical Field
The invention belongs to the field of remote sensing and geographic information, and particularly relates to an environment emergency monitoring and virtual simulation method and device driven by a model service chain.
Background
Along with the development of social industrialization and the continuous progress of people's production and life, a large amount of harmful gas is discharged into the air, causes the deterioration of atmospheric environment, and industrial wastewater and domestic sewage flow into river or permeate into groundwater, cause the pollution of water environment, and domestic production rubbish is piled up and is caused the serious exceeding of soil heavy metal. Therefore, the method monitors the environment and makes timely emergency response to the environment disasters, and is an important means for realizing sustainable development of the environment.
At present, various environment emergency monitoring technologies such as remote sensing satellites, sensing networks and unmanned aerial vehicles at least have the following technical problems:
the remote sensing satellite, the sensing network, the unmanned aerial vehicle and other environmental emergency monitoring technologies are respectively and independently researched, and a comprehensive, automatic and intelligent space-sky monitoring method is not formed; the emergency monitoring process does not form an automatic intelligent flow, and the efficiency is not high enough in the environment emergency monitoring; in the environment emergency monitoring process, a visual and convenient mode is lacking for displaying a monitoring area and the emergency monitoring process; because of the isomerism of the service chain and the virtual geographic environment, a communication mechanism of the service chain and the virtual geographic environment is lacking. Therefore, the prior art has the problems of being imperfect and not efficient enough.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a model service chain driven environment emergency monitoring and virtual simulation method and device, thereby solving the technical problems of imperfect environment emergency monitoring and low efficiency in the prior art.
To achieve the above object, according to one aspect of the present invention, there is provided a model service chain driven environment emergency monitoring and virtual simulation method, including:
(1) An environment normal state monitoring and emergency response model from normal state monitoring, disaster warning to emergency response is constructed, and an environment emergency monitoring service chain is constructed based on a Web service business process execution language BPEL and the environment normal state monitoring and emergency response model;
(2) Realizing environment three-dimensional simulation and emergency monitoring process visualization based on a virtual geographic environment technology, and coding the virtual geographic environment based on a virtual simulation interface;
(3) And realizing the two-way communication between the environment emergency monitoring service chain and the virtual geographic environment end so as to drive the operation of the virtual geographic environment end through the environment emergency monitoring service chain.
Preferably, step (1) comprises:
the method comprises the steps of (1.1) constructing an environment normal state monitoring and emergency response model from normal state monitoring, disaster warning to emergency response, coding and realizing each operation in the environment normal state monitoring and emergency response model flow, and publishing an environment emergency monitoring method as Web service by adopting a development space information service technology;
(1.2) integrating the Web service based on a workflow design language and the environmental normalcy monitoring and emergency response model to construct an environmental emergency monitoring service chain.
Preferably, step (1.2) comprises:
generating a service definition file according to the issued Web service, designing a workflow process of normal monitoring and emergency response of the environment, importing the service definition file, defining a Partner Link for realizing service call in the workflow process, assigning values to input, output and process variables, modifying an access address, accessing the workflow through a URL, finally issuing the workflow process, deploying the workflow process realized by design to a workflow execution engine to realize the service issuing of the workflow process, and operating and testing a BPEL service chain after issuing.
Preferably, step (2) comprises:
the method is characterized by comprising the steps of realizing monitoring environment virtual simulation and emergency monitoring process visualization based on a virtual geographic environment technology, wherein the monitoring environment virtual simulation at least comprises terrain surface modeling, place name labeling, emergency monitoring equipment three-dimensional simulation and emergency monitoring data resource display, and the emergency monitoring process visualization at least realizes display of normal monitoring, disaster warning and emergency response processes.
Preferably, the implementing the monitoring environment virtual simulation and the emergency monitoring process visualization based on the virtual geographic environment technology includes:
based on the virtual simulation interface, the monitoring environment virtual simulation and the visualization of the emergency monitoring process are realized, the monitoring environment virtual simulation is realized by loading the data resources, and the emergency monitoring process is displayed by moving a three-dimensional model in a virtual scene and playing a model animation.
Preferably, step (3) comprises:
the system comprises a virtual geographic environment end, an environment emergency monitoring service end, a virtual geographic environment end and an environment emergency monitoring service end, wherein the environment emergency monitoring service end is used for monitoring the environment emergency, the virtual geographic environment end is used for monitoring the environment emergency, and the environment emergency monitoring service end is used for monitoring the environment emergency.
According to another aspect of the present invention, there is provided a model service chain driven environmental emergency monitoring and virtual simulation apparatus, comprising:
the service chain module is used for constructing an environment normal monitoring and emergency response model from normal monitoring, disaster warning to emergency response, and constructing an environment emergency monitoring service chain based on the Web service business process execution language BPEL and the environment normal monitoring and emergency response model;
the virtual simulation module is used for realizing environment three-dimensional simulation and emergency monitoring process visualization based on a virtual geographic environment technology, and coding the virtual geographic environment based on a virtual simulation interface;
and the communication module is used for realizing the two-way communication between the environment emergency monitoring service chain and the virtual geographic environment end so as to drive the virtual geographic environment end to operate through the environment emergency monitoring service chain.
According to another aspect of the present invention there is provided a terminal device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when the computer program is executed.
According to another aspect of the present invention there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of any of the methods described above.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
according to the invention, the environment normal state monitoring and the emergency monitoring are driven in a model service chain mode, so that the automation and the intellectualization of the environment emergency monitoring process are realized, and the emergency monitoring efficiency is greatly improved; the three-dimensional real-time simulation of the environment monitoring is realized by adopting the virtual geographic environment technology, so that the real-time synchronism of the monitoring area and the emergency monitoring process is improved; the seamless real-time fusion of the emergency monitoring model service chain and the virtual simulation is realized, and the environment emergency monitoring method based on the what-you-see-is-what-you-get of the virtual geographic environment simulation is realized.
Drawings
FIG. 1 is a schematic diagram of an environmental normalcy monitoring and emergency response model according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a service chain construction flow based on BPEL according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a service chain BPEL for monitoring environmental normalcy and emergency response according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a virtual simulation module architecture according to an embodiment of the present invention;
FIG. 5 is a three-dimensional simulated data hierarchy diagram provided by an embodiment of the present invention;
FIG. 6 is a flow chart of an environmental emergency monitoring process visualization provided by an embodiment of the present invention;
FIG. 7 is a flow chart of an environment three-dimensional simulation and emergency monitoring process visualization provided by an embodiment of the invention;
FIG. 8 is a diagram of a virtual simulation module development architecture provided by an embodiment of the present invention;
FIG. 9 is a flowchart of interaction between an emergency monitoring service chain and a virtual simulation module according to an embodiment of the present invention;
FIG. 10 is a diagram of an application scenario of the present invention
FIG. 11 is a schematic view of a device according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In order to realize automation and intellectualization of environment emergency monitoring, visualization of a monitoring area and an emergency monitoring process and fusion of a service chain and a virtual simulation module, the invention provides a model service chain driven environment emergency monitoring and virtual simulation method and device.
According to the invention, the environment normal state monitoring and emergency response are driven in a service chain manner, so that the automation and the intellectualization of the environment emergency monitoring process are realized, and the efficiency of the environment emergency monitoring is greatly improved; the virtual geographic environment technology is adopted to realize the three-dimensional simulation of the environment and the visualization of the emergency monitoring process, so that the understandability of the experimental area and the emergency monitoring process is improved; the fusion of the service chain and the virtual simulation module is realized through a message monitoring mechanism, so that more perfect environment emergency monitoring and virtual simulation are realized.
Example 1
In order to realize the environment emergency monitoring, the invention constructs an environment normal state monitoring and emergency response model shown in figure 1, which specifically comprises the following steps:
(1) And (3) normal state monitoring: and collecting environmental information through the environmental monitoring equipment.
(2) Disaster alarm touch: and when the monitoring index exceeds the threshold value, disaster warning is carried out.
(3) Emergency response: and collecting, transmitting and processing emergency data.
After the emergency data resources are collected, the data resources are returned to the emergency command center for assisting in the emergency decision of the appointed disaster.
After the environment normal monitoring and emergency response model is built, an environment emergency monitoring service chain is built based on the workflow design language and the environment normal monitoring and emergency response model. Specifically, the design and implementation of the emergency monitoring service chain can be performed by adopting the service chain construction flow based on BPEL as shown in FIG. 2, and the specific steps are as follows:
(1) Web service publication
Summarizing services required by environment normal monitoring and emergency response, listing a Web service list, coding each operation required by the environment normal monitoring and emergency response process, and issuing a method for realizing the normal monitoring and emergency response process specific operation as Web service based on a development space information service technology to finish the issuing of the environment monitoring and emergency response service.
(2) Service definition file generation
And organizing and integrating the released environment emergency monitoring model sub-service into a service definition file, wherein the file content is in the form of an XML document.
(3) Design and definition of workflow business process
And designing a BPEL workflow process of environment normal monitoring and emergency response, importing a service definition file, defining a Partner Link for realizing service call in the BPEL workflow process, assigning values to input, output and process variables, modifying an access address so as to access the workflow through a URL, and finally publishing the BPEL workflow process.
(4) Service chain operation and testing
And starting a workflow execution engine, deploying the workflow process realized by design on the workflow execution engine, realizing the service release of the workflow process, and performing the operation and test of the BPEL service chain after the release.
The environment emergency monitoring service chain constructed by the embodiment of the invention is shown in fig. 3, and is specifically as follows:
(1) The emergency monitoring device is scheduled to go to an emergency area by calling the FlyToarea service through the FlyToMonitorArea.
(2) The BPEL workflow is monitored in a normal state. The normal monitoring Sequence processing structure is defined through the sequence_normal monitor, namely normal monitoring is carried out through Invoke the normal monitor service through the invoke_normal monitor, waiting for a period of time through the wait, then normal monitoring is finished through the invoke_normal monitor, and after waiting for a period of time through the wait, the normal monitoring BPEL flow is exited.
(3) Disaster warning BPEL process. Defining an alarm flow through a sequence_DissterAlarm Sequence structure, firstly calling DissterAlarm service through invoke_DisterAlarm to alarm disasters, calling wait to wait for a period of time, then ending the disaster alarm flow through invoke_FinishDissterAlarm, and waiting through wait until the execution of the flow is ended.
(4) Existing historical emergency data resources are exposed through ShowExisting HistoricalData.
(5) Emergency response BPEL flow. Defining a disaster emergency response Sequence processing structure through sequence_EmerrgencyResponse, firstly, carrying out a flow parallel flow, simultaneously carrying out data acquisition and data transmission, carrying out data acquisition through invoke_GetData to call GetData service, waiting for a period of time through wait, simultaneously carrying out data transmission through invoke_DataTransfer to call DataTransfer service, carrying out data processing through invoke_DataProcess to call DataProcess service, ending data processing through Invoke eFinishProcess, and waiting for a period of time through wait until execution is ended in the processing process.
(6) Existing emergency resources and emergency resources acquired, transmitted and processed in real time are displayed through ShowEmergencyResponseData.
(7) The emergency data resource is returned to the emergency command center through the Return DataToEmerrgencycenter for assisting event emergency.
The virtual simulation module architecture realized by the invention is shown in fig. 4, and the virtual simulation module is mainly divided into three layers, as follows:
(1) Data access layer
The data access layer is mainly used for accessing data resources collected in the normal environment monitoring and emergency response processes. A large amount of data resources are generated in the environment emergency monitoring process and are organized and stored in a space database and an attribute database, and the space database mainly stores the acquired space data such as vector data, image data and the like; the attribute database mainly stores the acquired attribute information. The data access layer can access the space database and the attribute database to acquire data support environment simulation and emergency monitoring process visualization.
(2) Virtual simulation layer
The virtual simulation layer mainly realizes environment three-dimensional simulation and environment normal state monitoring and displaying of emergency response processes.
The environment three-dimensional simulation comprises the following steps: 1) Environmental three-dimensional simulation and place name labeling: loading DSM images and orthographic images, and labeling the typical areas by place names; 2) Data acquisition equipment and display of equipment information: the data acquisition device is placed in a specific geographic position of the environment, and the clicking device can pop up the device information.
The emergency monitoring process visualization includes: 1) The normal state monitoring process shows that: displaying the data acquisition process of the environment monitoring equipment; 2) And (3) displaying a disaster alarming process: when the environmental monitoring index exceeds a certain threshold, displaying dam displacement exceeding alarm or water pollution exceeding alarm; the emergency response process shows that: 3) And the processes of data acquisition, data transmission, data processing and the like in the emergency response process of the environmental disasters are shown.
(3) Interactive interface layer
The interaction interface layer provides a user interface to realize interaction between a user and the virtual geographic environment. And the user invokes related functions of the virtual simulation module through the user operation interface, and then the virtual simulation module displays visual results of environment simulation and emergency monitoring processes through the virtual environment display interface.
As shown in FIG. 5, the three-dimensional simulated data hierarchy chart of the environment is a blank earth base chart provided by a virtual simulation interface, 30m global DEM, google earth global remote sensing base chart, DSM and orthophoto are respectively arranged outside in sequence, and the outermost layer is the environment emergency monitoring data display.
The visual flow chart of the environment normal monitoring and emergency process of the invention is shown in fig. 6, and is mainly divided into three parts:
(1) Visualization of the normal state monitoring process: and displaying the data acquisition process of the environment monitoring equipment.
(2) And (3) visualizing a disaster alarming process: displaying that disaster warning is carried out when a certain monitoring index exceeds a threshold value;
(3) Emergency response process visualization: and displaying the real-time data acquisition, data transmission and data processing processes of the emergency response equipment.
The environment three-dimensional simulation and emergency monitoring process visualization flow chart is shown in fig. 7, firstly, the three-dimensional simulation of loading, place name marking and emergency monitoring equipment of a ground surface structure of a monitored environment is realized based on a three-dimensional simulation module, the visualization of a normal monitoring event processing process is realized based on a normal monitoring process visualization module on an environment three-dimensional modeling scene, and when a monitoring index exceeds a threshold value, the visualization of disaster warning is realized based on a disaster warning process visualization module, then emergency data acquisition, data transmission and data processing of an emergency event are realized based on an emergency response process visualization module, and finally, the display of data products obtained in the normal environment monitoring and emergency response processes is realized based on an environment emergency monitoring data display module.
The development structure diagram of the virtual simulation module provided by the embodiment of the invention is shown in fig. 8, and based on OSG and OSGEarth, the virtual simulation module is developed by adopting Visual C# and Visual C++ in the development environment of Microsoft Visual Studio 2015, so that the environment three-dimensional simulation and emergency monitoring process visualization are realized.
The communication between the service chain and the virtual simulation module is realized by adopting a message monitoring mechanism, the emergency monitoring service chain generates and transmits a message in the operation process, the virtual simulation module monitors the message, and once the message from the service chain end is monitored, the virtual simulation module analyzes the message and invokes related functions.
The environment emergency monitoring virtual simulation flow chart of the emergency monitoring service chain driving virtual simulation module is shown in fig. 9:
(1) After the service chain starts to run, a FlyToMonitoringarea message is sent to a virtual simulation module, and the virtual simulation module performs environment three-dimensional simulation and displays an emergency monitoring area;
(2) The service chain sends a normalMonitoring message to the virtual simulation module, and the virtual simulation module displays the data acquisition process of the normal monitoring equipment;
(3) The service chain sends a DissterAlarm message to the virtual simulation module, and the virtual simulation module displays a disaster warning process;
(4) The service chain sends a ShowExistingData message to the virtual simulation module to display the historical data resources;
(5) The service chain sends a message to the virtual simulation module to display an emergency response process, the service chain sends a GetData message to the virtual simulation module to display a data acquisition process, sends a DataTransfer message to display a data transmission process, and sends a DataProcess message to display a data processing process;
(6) The service chain sends ShowEmergencyResponseData to the virtual simulation module, and emergency data resources acquired in real time are displayed;
(7) The service chain sends SendDataToEmerrgencyCenter to the virtual simulation module, and the process of displaying the emergency resource subset and returning the emergency resource subset to the command center is displayed.
The application scene graph of the invention is shown in fig. 10:
the emergency monitoring module is used for driving environmental monitoring equipment such as remote sensing satellites and sensors to carry out emergency monitoring on atmospheric environment, soil environment, water environment and disaster events in an emergency monitoring area, and driving environmental emergency equipment such as unmanned aerial vehicles and emergency command vehicles to carry out disaster emergency when disaster alarm triggering events occur.
Meanwhile, the emergency monitoring model service chain drives the virtual simulation module to simulate an emergency monitoring environment and visualize an emergency monitoring process.
Example two
Fig. 11 is a schematic structural diagram of an apparatus according to an embodiment of the present invention, including:
the service chain module 201 is configured to construct an environment normal monitoring and emergency response model from normal monitoring, disaster warning to emergency response, and construct an environment emergency monitoring service chain based on the Web service business process execution language BPEL and the environment normal monitoring and emergency response model;
the virtual simulation module 202 is used for realizing environment three-dimensional simulation and emergency monitoring process visualization based on a virtual geographic environment technology, and coding the virtual geographic environment based on a virtual simulation interface;
and the communication module 203 is configured to implement bidirectional communication between the environmental emergency monitoring service chain and the virtual geographic environment end, so as to drive the virtual geographic environment end to operate through the environmental emergency monitoring service chain.
Further, the service chain module 201 is specifically configured to construct an environment normal state monitoring and emergency response model from normal state monitoring, disaster touch and alarm to emergency response, implement coding of each operation in the environment normal state monitoring and emergency response model flow, and release the implemented environment emergency monitoring method as Web service by adopting a development space information service technology; and integrating Web services based on workflow design language and environment normal state monitoring and emergency response models to construct an environment emergency monitoring service chain.
Further, integrating Web services based on workflow design language and environment normal state monitoring and emergency response models to construct an environment emergency monitoring service chain can be realized by the following modes:
generating a service definition file according to the issued Web service, designing a workflow process of normal monitoring and emergency response of the environment, importing the service definition file, defining a Partner Link for realizing service call in the workflow process, assigning values to input, output and process variables, modifying an access address, accessing the workflow through a URL, finally issuing the workflow process, deploying the workflow process realized by design to a workflow execution engine to realize the service issuing of the workflow process, and running and testing a BPEL service chain after issuing.
Further, the virtual simulation module 202 is specifically configured to implement virtual simulation of a monitoring environment and visualization of an emergency monitoring process based on a virtual geographic environment technology, where the virtual simulation of the monitoring environment at least includes terrain surface modeling, place name labeling, three-dimensional simulation of an emergency monitoring device, and display of emergency monitoring data resources, and the visualization of the emergency monitoring process at least implements display of normal monitoring, disaster warning, and emergency response processes.
Further, the monitoring environment virtual simulation and the emergency monitoring process visualization are realized based on the virtual geographic environment technology, and the method can be realized by the following steps:
based on the virtual simulation interface, the monitoring environment virtual simulation and the visualization of the emergency monitoring process are realized, the monitoring environment virtual simulation is realized by loading the data resources, and the emergency monitoring process is displayed by moving a three-dimensional model in a virtual scene and playing a model animation.
Further, the communication module 203 is specifically configured to implement bidirectional communication between the environmental emergency monitoring service link end and the virtual geographic environment end based on a message monitoring mechanism, where the environmental emergency monitoring service link end sends a message to the virtual geographic environment end during operation, and the virtual geographic environment end starts to operate once monitoring the message from the environmental emergency monitoring service link end, so as to implement synchronous operation of the virtual geographic environment end and the environmental emergency monitoring service link end, and meanwhile, the virtual geographic environment end may send a feedback message to the environmental emergency monitoring service link end, so as to implement environmental emergency monitoring by the environmental emergency monitoring service link end and the virtual geographic environment end through bidirectional communication between the environmental emergency monitoring service link end and the virtual geographic environment end, and the virtual geographic environment end synchronously displays an emergency process simulation.
The specific implementation of each module may refer to the description of the method embodiment, and the embodiment of the present invention will not be repeated.
Example III
Fig. 12 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, such as a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack-mounted server, a blade server, a tower server, or a rack-mounted server (including an independent server or a server cluster formed by multiple servers), which can execute a program. The terminal device 20 of the present embodiment includes at least, but is not limited to: a memory 21, a processor 22 and a display device 23 which may be communicatively connected to each other via a system bus, as shown in fig. 12. It should be noted that fig. 12 only shows a terminal device 20 having components 21-23, but it should be understood that not all of the illustrated components are required to be implemented and that more or fewer components may alternatively be implemented.
In this embodiment, the memory 21 (i.e., readable storage medium) includes a Flash memory, a hard disk, a multimedia Card, a Card memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), and the like, and the memory 21 may also be an external storage device of the terminal device 20, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), etc. that are provided on the terminal device 20. Of course, the memory 21 may also include both the internal memory unit of the terminal device 20 and its external memory device. In this embodiment, the memory 21 is generally used to store an operating system and various application software installed in the terminal device 20, such as program codes of a model service chain driven environment emergency monitoring and virtual simulation method in the method embodiment. Further, the memory 21 may be used to temporarily store various types of data that have been output or are to be output.
The processor 22 may be a central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments. The processor 22 is generally used to control the overall operation of the terminal device 20. In this embodiment, the processor 22 is configured to execute the program code or process data stored in the memory 21, for example, to execute the model service chain driven environment emergency monitoring and virtual simulation apparatus, so as to implement the model service chain driven environment emergency monitoring and virtual simulation method in the method embodiment.
In this embodiment, the display device 23 may be a display, a screen, or a screen. In this embodiment, the display device 23 is mainly used for displaying the environmental simulation result and the environmental emergency response visualization result, so as to better understand the emergency monitoring area and the emergency response process.
Example IV
The present application also provides a computer readable storage medium, such as a flash memory, a hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App application store, etc., having stored thereon a computer program that when executed by a processor performs a corresponding function. The computer readable storage medium of the present embodiment is used for storing the model service chain driven environment emergency monitoring and virtual simulation device, and when executed by the processor, implements the model service chain driven environment emergency monitoring and virtual simulation method of the method embodiment.
It should be noted that each step/component described in the present application may be split into more steps/components, or two or more steps/components or part of the operations of the steps/components may be combined into new steps/components, as needed for implementation, to achieve the object of the present invention.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The environment emergency monitoring and virtual simulation method driven by the model service chain is characterized by comprising the following steps of:
(1) An environment normal state monitoring and emergency response model from normal state monitoring, disaster warning to emergency response is constructed, and an environment emergency monitoring service chain is constructed based on a Web service business process execution language BPEL and the environment normal state monitoring and emergency response model;
(2) Realizing environment three-dimensional simulation and emergency monitoring process visualization based on a virtual geographic environment technology, and coding the virtual geographic environment based on a virtual simulation interface;
(3) The two-way communication between the environment emergency monitoring service chain and the virtual geographic environment end is realized, so that the operation of the virtual geographic environment end is driven through the environment emergency monitoring service chain;
the step (3) comprises:
the method comprises the steps that a two-way communication between an environment emergency monitoring service chain end and a virtual geographic environment end is achieved based on a message monitoring mechanism, the environment emergency monitoring service chain end sends a message to the virtual geographic environment end in the operation process, the virtual geographic environment end starts to operate once monitoring the message from the environment emergency monitoring service chain end, so that synchronous operation between the virtual geographic environment end and the environment emergency monitoring service chain end is achieved, meanwhile, the virtual geographic environment end can send a feedback message to the environment emergency monitoring service chain end, so that environment emergency monitoring is conducted through the two-way communication between the environment emergency monitoring service chain end and the virtual geographic environment end, and the virtual geographic environment end synchronously displays emergency process simulation;
the virtual simulation module is driven by the emergency monitoring service chain to perform environment emergency monitoring virtual simulation, and the environment emergency monitoring virtual simulation comprises the following steps:
after the service chain starts to run, a FlyToMonitoringarea message is sent to a virtual simulation module, and the virtual simulation module performs environment three-dimensional simulation and displays an emergency monitoring area;
the service chain sends a normalMonitoring message to the virtual simulation module, and the virtual simulation module displays the data acquisition process of the normal monitoring equipment;
the service chain sends a DissterAlarm message to the virtual simulation module, and the virtual simulation module displays a disaster warning process;
the service chain sends a ShowExistingData message to the virtual simulation module to display the historical data resources;
the service chain sends a message to the virtual simulation module to display an emergency response process, the service chain sends a GetData message to the virtual simulation module to display a data acquisition process, sends a DataTransfer message to display a data transmission process, and sends a DataProcess message to display a data processing process;
the service chain sends ShowEmergencyResponseData to the virtual simulation module, and emergency data resources acquired in real time are displayed;
the service chain sends SendDataToEmerrgencyCenter to the virtual simulation module, and the process of displaying the emergency resource subset and returning the emergency resource subset to the command center is displayed.
2. The method of claim 1, wherein step (1) comprises:
the method comprises the steps of (1.1) constructing an environment normal state monitoring and emergency response model from normal state monitoring, disaster warning to emergency response, coding and realizing each operation in the environment normal state monitoring and emergency response model flow, and publishing an environment emergency monitoring method as Web service by adopting a development space information service technology;
(1.2) integrating the Web service based on a workflow design language and the environmental normalcy monitoring and emergency response model to construct an environmental emergency monitoring service chain.
3. The method according to claim 2, wherein step (1.2) comprises:
generating a service definition file according to the issued Web service, designing a workflow process of normal monitoring and emergency response of the environment, importing the service definition file, defining a Partner Link for realizing service call in the workflow process, assigning values to input, output and process variables, modifying an access address, accessing the workflow through a URL, finally issuing the workflow process, deploying the workflow process realized by design to a workflow execution engine to realize the service issuing of the workflow process, and operating and testing a BPEL service chain after issuing.
4. A method according to any one of claims 1 to 3, wherein step (2) comprises:
the method is characterized by comprising the steps of realizing monitoring environment virtual simulation and emergency monitoring process visualization based on a virtual geographic environment technology, wherein the monitoring environment virtual simulation at least comprises terrain surface modeling, place name labeling, emergency monitoring equipment three-dimensional simulation and emergency monitoring data resource display, and the emergency monitoring process visualization at least realizes display of normal monitoring, disaster warning and emergency response processes.
5. The method of claim 4, wherein the virtual geographic environment technology-based implementation of monitoring environment virtual simulation and emergency monitoring process visualization comprises:
based on the virtual simulation interface, the monitoring environment virtual simulation and the visualization of the emergency monitoring process are realized, the monitoring environment virtual simulation is realized by loading the data resources, and the emergency monitoring process is displayed by moving a three-dimensional model in a virtual scene and playing a model animation.
6. The utility model provides a model service chain driven environment emergency monitoring and virtual simulation device which characterized in that includes:
the service chain module is used for constructing an environment normal monitoring and emergency response model from normal monitoring, disaster warning to emergency response, and constructing an environment emergency monitoring service chain based on the Web service business process execution language BPEL and the environment normal monitoring and emergency response model;
the virtual simulation module is used for realizing environment three-dimensional simulation and emergency monitoring process visualization based on a virtual geographic environment technology, and coding the virtual geographic environment based on a virtual simulation interface;
the communication module is used for realizing the two-way communication between the environment emergency monitoring service chain and the virtual geographic environment end so as to drive the virtual geographic environment end to operate through the environment emergency monitoring service chain;
the communication module is specifically configured to implement bidirectional communication between an environmental emergency monitoring service link end and a virtual geographic environment end based on a message monitoring mechanism, wherein the environmental emergency monitoring service link end sends a message to the virtual geographic environment end in an operation process, the virtual geographic environment end starts to operate once monitoring the message from the environmental emergency monitoring service link end, so as to implement synchronous operation between the virtual geographic environment end and the environmental emergency monitoring service link end, and simultaneously, the virtual geographic environment end can send a feedback message to the environmental emergency monitoring service link end, so as to implement environmental emergency monitoring by the bidirectional communication between the environmental emergency monitoring service link end and the virtual geographic environment end, and the virtual geographic environment end synchronously displays emergency process simulation;
the virtual simulation module is driven by the emergency monitoring service chain to perform environment emergency monitoring virtual simulation, and the environment emergency monitoring virtual simulation comprises the following steps:
after the service chain starts to run, a FlyToMonitoringarea message is sent to a virtual simulation module, and the virtual simulation module performs environment three-dimensional simulation and displays an emergency monitoring area;
the service chain sends a normalMonitoring message to the virtual simulation module, and the virtual simulation module displays the data acquisition process of the normal monitoring equipment;
the service chain sends a DissterAlarm message to the virtual simulation module, and the virtual simulation module displays a disaster warning process;
the service chain sends a ShowExistingData message to the virtual simulation module to display the historical data resources;
the service chain sends a message to the virtual simulation module to display an emergency response process, the service chain sends a GetData message to the virtual simulation module to display a data acquisition process, sends a DataTransfer message to display a data transmission process, and sends a DataProcess message to display a data processing process;
the service chain sends ShowEmergencyResponseData to the virtual simulation module, and emergency data resources acquired in real time are displayed;
the service chain sends SendDataToEmerrgencyCenter to the virtual simulation module, and the process of displaying the emergency resource subset and returning the emergency resource subset to the command center is displayed.
7. A terminal device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method according to any one of claims 1 to 5 when the computer program is executed.
8. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 5.
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