CN115344628B - Space-time information system - Google Patents
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Abstract
The invention provides a spatio-temporal information system, comprising: the system comprises: the system comprises a database, a geographic position builder, a scene object generator, a plurality of data analyzers, a browser, a processor and a memory, wherein the memory is used for storing a computer program, the browser is in communication connection with the geographic position builder, the scene object generator and the data analyzers, the data analyzers which work independently are arranged, the data analyzers are more convenient to add and reduce, the safety of the data analyzers is improved, the target travel data are obtained and split into the target travel data into the target data travel data packets, the problem that the target travel information data volume is too large is solved, the number of the data packets is not too large, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of scene task visualization, in particular to a spatiotemporal information system.
Background
In the prior art, when a scene task is visualized, a C/S architecture of an STK (Systems Tool Kit) is often adopted for implementation, and when a background data analyzer is deployed, a deployment form in which the data analyzers are interdependent is often adopted, when a scene object is positioned, a hash algorithm is adopted for positioning the scene object, and when scene data of the scene object is transmitted, a self-owned file format is used for transmission, a JOSN network streaming transmission mode is not adopted, and a data packet of the transmission object is not split.
The technical problems existing in the prior art are as follows: the data analyzer is particularly complicated in addition and reduction due to the adoption of an interdependent deployment form, the scene object is positioned by adopting a hash algorithm, the positioning data is not accurate enough, the mode of transmitting the scene data corresponding to the scene object is not a dynamic transmission mode, and the data volume of the data packet is too large and is not easy to transmit.
Disclosure of Invention
Aiming at the technical problem, the technical scheme adopted by the invention is as follows: a spatiotemporal information system, comprising: a database, a geographic location builder, a scene object generator, a plurality of data analyzers, a browser, a processor, and a memory storing a computer program, wherein the browser is communicatively coupled to the geographic location builder, the scene object generator, and the plurality of data analyzers, the database comprising: target geographic position data list A = { A) acquired in real time 1 ，……，A i ，……，A m }，A i ＝(A 0 i ，SA 0 ij )，A 0 i For the ith target geographic location ID, SA 0 ij Is A 0 i The value of j is 1 to ni which is A corresponding to the target geographic position data at the j-th moment 0 i The number of corresponding target geographical location data, i, being 1 to m, m being the number of target geographical locations, when the computer program is executed by the processor, the following steps are implemented:
s100, obtaining B 0 r Corresponding target object information list B 0 r ＝{B 0 r1 ，……，B 0 re ，……，B 0 rhr }，B 0 re Is B 0 r Corresponding e target object information, wherein the value of e is 1 to hr, and hr is B 0 r Number of corresponding target object information, B 0 r The target objects corresponding to the initial time points are set, the value of r is 1 to g, and g is the number of the target objects corresponding to the initial time points;
s200, mixing B 0 r Processing the route through a data analyzer to obtain a target route list D 0 r ，D 0 r Is B 0 r A corresponding target route;
s300, acquiring B in real time 0 r Corresponding target trip information list H 0 r ＝{H 0 r1 ，……，H 0 rx ，……，H 0 rpr }，H 0 rx ＝(JH 0 rx ，WH 0 rx ，TH 0 rx )，H 0 rx Is B 0 r Corresponding target trip information for the x-th time period, JH 0 rx Is B 0 r Age value, WH, corresponding to the x-th time period 0 rx Is B 0 r Latitude value, TH, corresponding to the x-TH time segment 0 rx Is B 0 r The time range of the corresponding x-th time period,x is 1 to pr, pr is B 0 r The number of corresponding target trip information;
s400 according to H 0 rx Obtaining a target trip data packet list S x ＝{S x1 ，……，S xy ，……，S xqx }，S xy ＝{S xy1 ，……，S xyt ，……，S xyk }，S xyt Is S xy The value of t is 1 to k, and k is S xy The number of corresponding target travel data packet information, y is 1 to qx, and qx is H 0 rx The number of corresponding target trip packets;
s500, when the processor receives any S hy And carrying out visualization processing and transmitting the visualization processing to the browser.
The invention has at least the following beneficial effects: the data analyzers which work independently are arranged, so that the data analyzers are more convenient to add and reduce, and the safety of the data analyzers is improved, therefore, the working efficiency of the data analyzers is improved, time resources are saved, the position of the current target travel information can be accurately determined by acquiring the longitude value and the dimension value of the target travel information list, the data analyzers are convenient to analyze the target travel information, the accuracy of the data analyzers is improved, the target travel data are split into a plurality of target data travel data packets by acquiring the target travel data, the problem that the data volume of the target travel information is too large is solved, the number of the data packets is not too large, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a spatiotemporal information system executed by a computer program according to an embodiment of the present invention;
FIG. 2 is a functional block diagram of a spatiotemporal information system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention provides a space-time information system, which comprises: a database, a geographic location builder, a scene object generator, a plurality of data analyzers, a browser, a processor, and a memory storing a computer program, wherein the browser is communicatively coupled to the geographic location builder, the scene object generator, and the plurality of data analyzers, the database comprising: target geographic position data list A = { A) acquired in real time 1 ，……，A i ，……，A m }，A i ＝(A 0 i ，SA 0 ij )，A 0 i Is the ith orderGeographic location ID, SA 0 ij Is A 0 i Corresponding j-th time target geographic position data, wherein j is 1 to ni, and ni is A 0 i And the number of the corresponding target geographic position data, i is 1 to m, and m is the number of the target geographic positions.
Specifically, the browser and the geographic position builder, the scene object generator and the plurality of data analyzers are in independent working states.
Further, the browser communicates with the geographic position builder, the scene object generator and the plurality of data analyzers by using hypertext transfer protocol (http).
Further, the plurality of data analyzers communicate with the browser through a WebSocket protocol, and the data analyzers issue the target object journey information to the browser through a remote dictionary service.
Further, the target geographic position data may include basic map data, satellite image data, terrain elevation data, surface model data, and the like corresponding to the target geographic position.
Further, the geographic position builder is configured to obtain an original geographic position data list and classify the original geographic position data list to generate a target geographic position data list, and the scene object generator is configured to build a scene object model, where the scene object model includes multiple vehicle models.
Further, the scene object model may include a satellite model, a rocket model, a vehicle model, a naval vessel model, and the like.
Further, any scene object model adopts GL (WebGL, openGL ES, and OpenGL) standards, and it can be understood that the Format of any scene object model is glTF (Graphics Language Transmission Format), so that the working efficiency of the scene object generator is improved, the collaboration of the scene object model is improved, and the adding of the scene object model is more convenient.
Further, those skilled in the art know that any method for converting the scene object model into the graphic language transmission format falls within the scope of the present invention, and will not be described herein again.
As shown in fig. 1, the computer program, when executed by a processor, performs the steps of:
s100, obtaining B 0 r Corresponding target object information list B 0 r ＝{B 0 r1 ，……，B 0 re ，……，B 0 rhr }，B 0 re Is B 0 r Corresponding e target object information, wherein the value of e is 1 to hr, and hr is B 0 r Number of corresponding target object information, B 0 r The target objects corresponding to the initial time points are set, the value of r is 1 to g, and g is the number of the target objects corresponding to the initial time points.
Specifically, the target object is a scene object that needs to be processed at an initial time point, and the target object information includes a start location, an end location, and a necessary route location corresponding to the scene object.
S200, mixing B 0 r Processing the route through a data analyzer to obtain a target route list D 0 r ，D 0 r Is B 0 r The corresponding target route.
Specifically, the analysis of the target object by the data analyzer may include trajectory analysis and collision analysis, the trajectory analysis is analysis by the data analyzer to obtain a target path of the target object, and the collision analysis is analysis by the data analyzer to obtain a target path that can avoid collision of the target object.
Further, the target route is a driving route corresponding to the target object obtained by analyzing the target object information through the data analyzer.
Further, the analysis terms of the crash analysis may include a frontal crash analysis, an offset crash analysis, a side crash analysis, and a rear crash analysis.
Further, in the embodiment of the invention, the data analyzer is constructed by adopting the Spring Boot framework, and the Spring Boot framework removes a large amount of XML configuration files and simplifies complex dependence management, so that the working efficiency of the simulation server is improved and time resources are saved.
Further, those skilled in the art know that any method for constructing a data analyzer by using a Spring Boot framework falls within the scope of the present invention, and will not be described herein again.
Further, in another embodiment of the present invention, a Spring Cloud framework is adopted to construct the data analyzer, and the Spring Cloud framework has a fine splitting granularity for the data analyzer and a low coupling degree, which is beneficial to resource recycling and improves the efficiency of the data analyzer.
Further, those skilled in the art will recognize that any method for constructing the data analyzer by using the Spring Cloud framework falls within the scope of the present invention, and will not be described herein again.
S300, acquiring B in real time 0 r Corresponding target trip information list H 0 r ＝{H 0 r1 ，……，H 0 rx ，……，H 0 rpr }，H 0 rx ＝(JH 0 rx ，WH 0 rx ，TH 0 rx )，H 0 rx Is B 0 r Corresponding target trip information for the x-th time period, JH 0 rx Is B 0 r Age value, WH, corresponding to the x-th time period 0 rx Is B 0 r Latitude value, TH, corresponding to the x-TH time segment 0 rx Is B 0 r The value of x is 1 to pr, and pr is B in the corresponding time range of the xth time period 0 r The number of corresponding target trip information.
Specifically, the format of the target trip information is a uniform format.
Further, the format of the target trip information is CZML (center trip), it can be understood that the target object trip information is a JOSN string, and the CZML can present the space-time dynamic characteristics of the target trip information, can record and describe not only the static information of the target trip information, but also the dynamic information of the target trip information, and can acquire and transmit the target trip information in real time.
Preferably, the 1 st time period corresponds to a time range = 8230 \8230; =: \8230; 8230; the pr th time period corresponds to a time range, it can be understood that the time ranges of any time period are the same, and therefore, errors caused by different time ranges can be prevented.
Further, a person skilled in the art may set a time range corresponding to the xth time period according to actual requirements, which is not described herein again.
In the above description, in step S300, by obtaining the longitude value corresponding to the middle trip information and the dimensional value corresponding to the target trip information, the position of the current target trip information may be accurately determined, which is convenient for the data analyzer to analyze the target trip information, and improves the accuracy of the data analyzer.
Further, in another embodiment of the present invention, S300 further includes the following steps:
s301, acquiring B in real time 0 r Corresponding intermediate trip information list H' 0 r ＝{H′ 0 r1 ，……，H′ 0 rx ，……，H′ 0 rpr }，H′ 0 rx ＝(JH′ 0 rx ，WH′ 0 rx ，GH′ 0 rx ，TH′ 0 rx )，H′ 0 rx Is B 0 r Corresponding middle run information of the x-th time segment, JH 0 rx Is B 0 r Longitude value, WH 'corresponding to the x-th time period' 0 rx Is B 0 r Latitude value, GH 'corresponding to the x-th time period' 0 rx Is B 0 r Height value, TH ', corresponding to the x-TH time period' 0 rx Is B 0 r Corresponding time range of the x-th time period.
As described above, in S301, not only the longitude value and the dimension value corresponding to the middle trip information but also the altitude value corresponding to the middle trip information are obtained, so that the position of the current target trip information can be determined more accurately, which is convenient for the data analyzer to analyze the target trip information, and improves the accuracy of the data analyzer.
S400, according to H 0 rx Obtaining a target trip data packet list S x ＝{S x1 ，……，S xy ，……，S xqx }，S xy ＝{S xy1 ，……，S xyt ，……，S xyk }，S xyt Is S xy The value of t is 1 to k, and k is S xy The number of corresponding target travel data packet information, y is 1 to qx, and qx is H 0 rx The number of corresponding target trip packets.
Specifically, a person skilled in the art can set the value of k according to actual requirements, and details are not described herein.
In the above, in S400, the target trip data packets corresponding to the target trip information are acquired through the target trip information, and any one of the target trip data packets includes a plurality of pieces of data packet information, so that the problem that the data volume of the target trip information is too large is solved, and the number of the data packets is not too large, thereby improving the working efficiency.
S500, when the processor receives any S hy And carrying out visualization processing and transmitting the visualization processing to the browser.
Specifically, sequentially for S hy The k target trip data packet information in the browser is visualized, and the browser performs visualization on the visualized S hy And circularly displaying the k pieces of target travel data packet information.
Further, those skilled in the art know that any method for visualizing the target trip data packet falls within the scope of the present invention, and will not be described herein again.
In the embodiment of the present invention, a functional architecture of a spatiotemporal information system is provided, as shown in fig. 2: the system mainly comprises a browser end, a server end and an auxiliary tool.
Specifically, the browser end is a three-dimensional visual framework and is used for three-dimensional display of a geographic environment, a meteorological environment, a celestial body environment and a scene object and dynamic analysis display of a scene object model.
Further, the server side is divided into a map service module, a model service module, a simulation analysis micro-service module, a link service module and the like, the map service module is realized through a geographic position builder, the model service module is realized through a scene object generator, and the simulation analysis micro-service module is realized through a plurality of data analyzers.
Further, in the embodiment of the present invention, the system further includes a link server, the link service module is implemented by the link server, and the link server provides an interface to the outside in a UDP/TCP manner, so as to facilitate communication interaction with system engineering tool software.
Further, the auxiliary tool is implemented by a processor for obtaining geographic data, object models, spatiotemporal data, and format conversions.
The present specification provides method steps as described in the examples or flowcharts, but may include more or fewer steps based on routine or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. In practice, the system or server product may be implemented in a sequential or parallel manner (e.g., parallel processor or multi-threaded environment) according to the embodiments or methods shown in the figures.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the apparatus and computer device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple and reference may be made to some of the description of the method embodiments for related points.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will also be appreciated by those skilled in the art that various modifications may be made to the embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A spatiotemporal information system, the system comprising: a database, a geographic location builder, a scene object generator, a plurality of data analyzers, a browser, a processor, and a memory storing a computer program, wherein the browser is communicatively coupled to the geographic location builder, the scene object generator, and the plurality of data analyzers, the database comprising: target geographic position data list A = { A) acquired in real time 1 ，……，A i ，……，A m }，A i ＝(A 0 i ，SA 0 ij )，A 0 i For the ith target geographical location ID, SA 0 ij Is A 0 i The value of j is 1 to ni which is A corresponding to the target geographic position data at the j-th moment 0 i The number of corresponding target geographical location data, i, having a value of 1 to m, m being the number of target geographical locations, when said computer program is executed by a processor, the following steps are implemented:
s100, obtaining B 0 r Corresponding target object information list B 0 r ＝{B 0 r1 ，……，B 0 re ，……，B 0 rhr }，B 0 re Is B 0 r Corresponding e target object information, wherein the value of e is 1 to hr, and hr is B 0 r Number of corresponding target object information, B 0 r The target objects corresponding to the initial time points are set, the value of r is 1 to g, and g is the number of the target objects corresponding to the initial time points;
s200, mixing B 0 r Processing the route through a data analyzer to obtain a target route columnTable D 0 r ，D 0 r Is B 0 r A corresponding target route;
s300, obtaining B 0 r Corresponding target trip information list H 0 r ＝{H 0 r1 ，……，H 0 rx ，……，H 0 rpr }，H 0 rx ＝(JH 0 rx ，WH 0 rx ，TH 0 rx )，H 0 rx Is B 0 r Corresponding target trip information for the x-th time period, JH 0 rx Is B 0 r Age value, WH, corresponding to the x-th time period 0 rx Is B 0 r Latitude value, TH, corresponding to the x-TH time segment 0 rx Is B 0 r The value of x is 1 to pr, and pr is B in the corresponding time range of the xth time period 0 r The number of corresponding target trip information;
s400 according to H 0 rx Obtaining a target trip data packet list S x ＝{S x1 ，……，S xy ，……，S xqx }，S xy ＝{S xy1 ，……，S xyt ，……，S xyk }，S xyt Is S xy The value of t is 1 to k, and k is S xy The number of corresponding target travel data packet information, y is 1 to qx, and qx is H 0 rx The number of corresponding target trip packets;
s500, when the processor receives any S xy When, the browser is to S xy And performing visualization processing.
2. The system of claim 1, wherein the browser and the geo-location builder, the scene object generator, and the plurality of data analyzers are in independent operation.
3. The system of claim 2, wherein the browser communicates with the geo-location builder, the scene object generator, and the plurality of data analyzers using hypertext transfer protocol.
4. The system of claim 1, wherein the plurality of data analyzers communicate with the browser via a WebSocket protocol.
5. The system of claim 4, wherein the plurality of data analyzers publish target object travel information to the browser through a remote dictionary service.
6. The system of claim 5, wherein the data analyzer is constructed using a SpringBoot framework.
7. The system of claim 5, wherein the data analyzer is constructed using a SpringCloud framework.
8. The system of claim 1, wherein in S300, the target object travel information is in a JOSN string format.
9. The system according to claim 1, further comprising, in S300, the steps of:
s301, obtaining B 0 r Corresponding intermediate trip information list H' 0 r ＝{H′ 0 r1 ，……，H′ 0 rx ，……，H′ 0 rpr }，H′ 0 rx ＝(JH′ 0 rx ，WH′ 0 rx ，GH′ 0 rx ，TH′ 0 rx )，H′ 0 rx Is B 0 r Corresponding middle run information of the x-th time segment, JH 0 rx Is B 0 r Longitude value, WH 'corresponding to the x-th time period' 0 rx Is B 0 r Latitude value, GH 'corresponding to the x-th time period' 0 rx Is B 0 r Height value, TH ', corresponding to the x-TH time period' 0 rx Is B 0 r Corresponding time range of the x-th time period.
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