CN117593471B - Ocean three-dimensional situation visualization platform based on illusion engine - Google Patents
Ocean three-dimensional situation visualization platform based on illusion engine Download PDFInfo
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Abstract
The application relates to the technical field of ocean three-dimensional situation visualization, in particular to an ocean three-dimensional situation visualization platform based on a illusion engine, which concentrates core parts of original data and system function realization on a server, adopts a layered design structure, improves maintainability and expandability of codes, enhances reliability and usability of the platform, integrates functions of three-dimensional scene construction of ocean local areas, ocean equipment macroscopic operation situation, ocean data statistics visualization, prediction analysis and the like, and solves the problems that the ocean three-dimensional visualization platform has single function and expression form, little support on functions such as time-space related data processing and calculation and the like, and is unfavorable for comprehensively and deeply sensing ocean data and ocean operation states.
Description
Technical Field
The application relates to the technical field of ocean three-dimensional situation visualization, in particular to an ocean three-dimensional situation visualization platform based on a illusion engine.
Background
The ocean three-dimensional situation visualization technology displays ocean data in a three-dimensional scene mode, helps people to know the change and evolution condition of the ocean environment more intuitively and comprehensively, can provide real-time data of ocean equipment operation, helps decision makers to make emergency response decisions more quickly and accurately, and improves ocean emergency capability. Meanwhile, the ocean three-dimensional situation visualization technology can more intuitively display the distribution and utilization conditions of ocean resources, is beneficial to a decision maker to better formulate ocean industry development strategy and promotes the healthy development of the ocean industry. The existing ocean three-dimensional visual platform has relatively single function and expression form, supports less functions such as time-space related data processing and calculating, is not beneficial to comprehensively and deeply sensing ocean data and ocean operation states, and cannot meet the requirements of modern ocean strategies.
Disclosure of Invention
The embodiment of the application provides a three-dimensional ocean situation visualization platform based on a fantasy engine, which at least solves the problems that the three-dimensional ocean situation visualization platform has single functions and expression forms, has little support on functions such as time-space related data processing and calculation, is not beneficial to comprehensively and deeply sensing ocean data and ocean operation states, and cannot meet the requirements of modern ocean strategies.
The invention provides a three-dimensional marine situation visualization platform based on a illusion engine, which comprises the following components:
The data layer is used for collecting first ocean data, and judging the first ocean data according to preset ocean data to obtain a judging result;
The logic layer performs data processing on the first ocean data according to the judging result to obtain second ocean data, renders the second ocean data corresponding to the area to be rendered according to the second ocean data, and calls an Actor base class of the three-dimensional model to create an ocean data three-dimensional model after loading the three-dimensional model of the area to be rendered through the illusion engine;
And a scene layer, defining a three-dimensional visual form of the second ocean data through a Niagara particle system, converting physical values of data points of the second ocean data into color values of particles through the Niagara particle system, drawing spline lines according to the second ocean data in the Niagara particle system, creating a three-dimensional scene according to the color values and the spline lines, and adding the ocean data three-dimensional model into the three-dimensional scene.
And after the data layer presets the ocean data limit and the coordinate range, judging whether the ocean data exceeds the preset ocean data limit and the coordinate range, and obtaining the judging result.
In the ocean three-dimensional situation visualization platform, the logic layer performs data division and data cleaning on the first ocean data to obtain the second ocean data, and stores the second ocean data into a database;
the logic layer reads the second ocean data corresponding to the area to be rendered from the database, acquires elevation data of the area to be rendered from global elevation data according to the second ocean data corresponding to the area to be rendered, generates a gray level map according to the elevation data, and creates real submarine topography through the illusion engine system according to the gray level map.
In the above ocean three-dimensional situation visualization platform, the second ocean data includes ocean equipment data, and according to the real submarine topography, the logic layer reads the ocean equipment data existing in the area to be rendered from the database, and then loads the three-dimensional model of the area to be rendered in a three-dimensional model library of the illusion engine system according to an ID value of the ocean equipment data.
In the above ocean three-dimensional situation visualization platform, the second ocean data further includes operation data, and in GameMode blueprints of the illusion engine, the Actor base class of the three-dimensional model is called according to the operation data and the ocean equipment data.
In the above ocean three-dimensional situation visualization platform, the second ocean data further includes ocean environment data, wherein the ocean data is divided into scalar data and vector data;
coordinate information of the data points of the scalar data is acquired from an NC file, the three-dimensional visualization of the scalar data is defined by the Niagara particle system, and the coordinate information is converted into relative coordinates in the Niagara particle system.
And adding a scale color module into the Niagara particle system, and mapping the relative coordinates to the color values of the particles through the scale color module to realize the visualization of the scalar data.
And drawing the spline line of the vector data according to the coordinate information and the direction information in the operation data by the ocean three-dimensional situation visualization platform.
The above-mentioned ocean three-dimensional situation visualization platform, wherein the drawing the spline of the vector data according to the coordinate information and the direction information in the operation data comprises:
Determining the number of the spline lines, wherein the starting point coordinates of each spline line are random floating point numbers generated in uniform distribution through codes, and drawing the spline lines according to the starting point coordinates and other coordinates after setting other coordinates of the spline lines according to the direction information and the coordinate information;
And setting a plurality of forces in the Niagara particle system according to the spline line, and performing superposition calculation on the plurality of forces to enable the particles to move along the spline line so as to realize visualization of the vector data.
In the above ocean three-dimensional situation visualization platform, the ocean three-dimensional situation visualization platform further comprises a man-machine interaction layer, and the observation position, the observation mode and the ocean data three-dimensional model of the three-dimensional scene are adjusted through the man-machine interaction layer.
Compared with the related art, the ocean three-dimensional situation visualization platform based on the illusion engine provided by the invention is used for creating an ocean three-dimensional scene based on the illusion engine, and specifically comprises elements such as a geographic environment, a climatic environment, an ecological environment, a special environment and the like, creating a virtual scene and rendering materials based on real geographic data, and realizing dynamic loading and control of a three-dimensional model in the scene, and simultaneously realizing dynamic display of ocean data in the three-dimensional scene and realizing visualization of data statistics and data analysis; the three-dimensional model and the change of the ocean data in space and time are supported, the dynamic playing and review functions of scene situation can be carried out, and the scheduling and analysis of users are facilitated; the method supports the visualization of the interaction result of the marine environment and the three-dimensional model, calculates the real physical effect of the object in the scene by factors such as the atmospheric environment, and the three-dimensional model can adjust the motion parameters according to the environmental factors, so that the display of the instantaneous gesture and the real expression of the real effect in the virtual scene are realized.
The invention integrates the functions of three-dimensional scene construction of ocean local areas, ocean equipment macroscopic operation situation, ocean data statistics visualization, prediction analysis and the like, and constructs a high-efficiency, accurate and easy-to-use platform. The platform adopts a C/S architecture, and the C/S architecture mode is used for a distributed system, wherein a Client, namely Client, and a Server, namely Server, are communicated. The client is responsible for presenting visual effects of data to the user and providing an interactive interface, and the server is responsible for processing client requests and returning data. The core parts of the original data and the system function realization are concentrated on the server, and the maintainability and the expandability of codes are improved by adopting a hierarchical design structure, so that the reliability and the usability of the platform are enhanced.
The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a general architecture of a marine three-dimensional situational visualization platform in accordance with an embodiment of the present application;
FIG. 2 is a marine data visualization model creation flow in accordance with an embodiment of the present application;
FIG. 3 is a dynamic loading flow of a marine three-dimensional model according to an embodiment of the application.
Detailed Description
The present application will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present application 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 application. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present application without making any inventive effort, are intended to fall within the scope of the present application.
It is apparent that the drawings in the following description are only some examples or embodiments of the present application, and it is possible for those of ordinary skill in the art to apply the present application to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the application can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "a," "an," "the," and similar referents in the context of the application are not to be construed as limiting the quantity, but rather as singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in connection with the present application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.
The ocean three-dimensional situation visualization platform based on the illusion engine provided by the invention adopts the illusion engine system, the illusion engine has high-quality visual processing effect, strong interactive operation function and good performance of coping with complex scenes and a large amount of data, the fusion and interaction between the three-dimensional model and the multi-source data are realized on the basis, and the ocean three-dimensional situation visualization platform integrating digitization, intellectualization and visualization is created.
The following will describe embodiments of the present application by taking a marine three-dimensional situation visualization platform as an example.
Example 1
The embodiment provides a marine three-dimensional situation visualization platform based on a fantasy engine. Referring to fig. 1 to 3, fig. 1 is a general architecture of a marine three-dimensional situation visualization platform according to an embodiment of the present application; FIG. 2 is a marine data visualization model creation flow in accordance with an embodiment of the present application; fig. 3 is a dynamic loading flow of a marine three-dimensional model according to an embodiment of the present application, and as shown in fig. 1 to 3, the marine three-dimensional situation visualization platform includes:
The data layer is used for collecting first ocean data, and judging the first ocean data according to preset ocean data to obtain a judging result;
The logic layer performs data processing on the first ocean data according to the judging result to obtain second ocean data, renders the second ocean data corresponding to the area to be rendered according to the second ocean data, and calls an Actor base class of the three-dimensional model to create an ocean data three-dimensional model after loading the three-dimensional model of the area to be rendered through the illusion engine;
And a scene layer, defining a three-dimensional visual form of the second ocean data through a Niagara particle system, converting physical values of data points of the second ocean data into color values of particles through the Niagara particle system, drawing spline lines according to the second ocean data in the Niagara particle system, creating a three-dimensional scene according to the color values and the spline lines, and adding the ocean data three-dimensional model into the three-dimensional scene.
In a specific implementation, the overall architecture of the ocean three-dimensional situation visualization platform based on the illusion engine is divided into four parts of a data processing layer, a logic control layer, a three-dimensional scene layer and a man-machine interaction layer.
In an embodiment, after the data layer presets the ocean data limit and the coordinate range, whether the ocean data exceeds the preset ocean data limit and the coordinate range is judged, and the judging result is obtained.
In particular, as shown in FIG. 1, the data processing layer gathers marine related data and processes and converts it for presentation in a three-dimensional scene. Marine environment data is mainly divided into scalar data and vector data, and specifically comprises hydrological weather, underwater sound field, electromagnetic and marine observation data and the like. The marine equipment comprises buoys, ships, detectors and the like, and the operation data comprises real-time data of the operation of the marine equipment in the sea area and basic attributes thereof; in detail, firstly, in the project engineering of the illusion engine, an interface of an SQL database and NetCDF is created so that the SQL database and a Netcdf-format data file can be read; and defining a specific path of the multi-source ocean data information in the configuration file, defining a structure body of equipment and ocean data in a code for storing corresponding data, carrying out data screening and range judgment on the original data information before scene rendering construction, judging whether the data information exceeds a corresponding data limit and exceeds a selected coordinate range, and storing the processed data in a corresponding data structure.
In an embodiment, the logic layer performs data division and data cleaning on the first ocean data to obtain the second ocean data, and stores the second ocean data into a database;
The logic layer reads the second ocean data corresponding to the area to be rendered from the database, acquires elevation data of the area to be rendered from global elevation data according to the second ocean data corresponding to the area to be rendered, generates a gray level map according to the elevation data, and creates real submarine topography through the illusion engine system according to the gray level map;
The second ocean data comprises ocean equipment data, and according to the real submarine topography, the logic layer reads the ocean equipment data existing in the area needing to be rendered from the database, and then loads the three-dimensional model of the area needing to be rendered in a three-dimensional model library of the illusion engine system according to the ID value of the ocean equipment data;
The second ocean data further comprises operation data, and the Actor base class of the three-dimensional model is called in GameMode blueprints of the illusion engine according to the operation data and the ocean equipment data.
In specific implementation, as shown in fig. 1, the logic control layer is an interface between the three-dimensional scene layer and the data layer, and meets the format requirement of the illusion engine through processing the data content and the format, and mainly comprises data division, data cleaning, coordinate conversion and the like; the data dividing and cleaning function is to screen equipment data and environment data belonging to a scene, convert the equipment data and the environment data into a data format which can be directly applied by the illusion engine, generate a data visualization model, and acquire a corresponding three-dimensional model in the illusion engine; a vector interface is defined in the three-dimensional model, and physical interaction between the three-dimensional model and marine environment data can be realized through the interface; the coordinate conversion is to convert longitude and latitude coordinates stored in the database into a CGCS2000 coordinate system, so that the scene is convenient to use;
Creating a three-dimensional ocean scene in the illusion engine, wherein the three-dimensional ocean scene comprises ocean, terrain, atmosphere environment and the like, and the dynamic loading and displaying of the three-dimensional model are shown in fig. 2 and 3, and the detailed loading steps are as follows:
Step one: creating a three-dimensional terrain, carrying out longitude and latitude coordinate ranges of a rendering area according to requirements, acquiring elevation data of a selected area from global elevation data, generating a gray level map, and creating a real submarine terrain by using a land slope mode of a fantasy engine;
step two: reading marine equipment and equipment data existing in the selected space range from a database, and loading a corresponding three-dimensional model and matched physical attributes and behavior attributes thereof in a illusion engine according to the ID value;
step three: in the GameMode blueprint of the project, all elements in the three-dimensional scene are loaded through SpawnActorFromClass nodes, namely equipment and ocean data are loaded. The serial number, index value and initial position of the ocean equipment are taken as input data to be transmitted into the node together, an Actor base class of the ocean three-dimensional model is called, and loading of the ocean equipment three-dimensional mesh is carried out in the base class according to the transmitted serial number and number; wherein the index value represents the number of the models;
Step four: generating a spline assembly of the equipment in the time period according to the coordinate information in the read data, and setting the moving speed of the object according to the time information in the read data through the setting of a time axis function and the time between two points, so that the position and the state of the three-dimensional model of the equipment are changed according to time change in a scene;
In addition, in project engineering, corresponding Actor base classes are created for different kinds of marine equipment, equipment and marine environment data, corresponding static grid models are loaded according to different ID values in equipment aspects, corresponding equipment and equipment objects are instantiated, and therefore different equipment and equipment three-dimensional models are displayed.
In an embodiment, the second marine data further comprises marine environmental data, wherein the marine data is divided into scalar data and vector data;
acquiring coordinate information of the data points of the scalar data from an NC file, defining the three-dimensional visualization form of the scalar data through the Niagara particle system, and converting the coordinate information into relative coordinates in the Niagara particle system;
adding a scale color module in the Niagara particle system, and mapping the relative coordinates to the color values of the particles through the scale color module to realize visualization of the scalar data;
drawing the spline of the vector data according to the coordinate information and the direction information in the operation data;
Drawing the spline lines of the vector data according to the coordinate information and the direction information in the operation data comprises the steps of determining the number of the spline lines, wherein the starting point coordinates of each spline line are random floating point numbers generated in uniform distribution through codes, and drawing the spline lines according to the starting point coordinates and the other coordinates after setting the other coordinates of the spline lines according to the direction information and the coordinate information;
And setting a plurality of forces in the Niagara particle system according to the spline line, and performing superposition calculation on the plurality of forces to enable the particles to move along the spline line so as to realize visualization of the vector data.
In specific implementation, as shown in fig. 1 and 3, three-dimensional visualization elements of ocean data are created in a scene layer, and the detailed creation steps are as follows:
Step one: setting a Mesh base material for representing data point numerical information based on a material system of the illusion engine, setting a base color of the Mesh base material as a particle color variable, transmitting the particle system into the material system by the variable, setting the material as a semitransparent material, and defining the material as a double-sided material;
Step two: the Niagara particle system based on the illusion engine performs three-dimensional visual display of data. In the Niagara particle system, each particle has basic properties such as position, shape, size, speed, color, life cycle, etc.; coordinate information and numerical information of data points are obtained from an NC file and are respectively stored in variables of TAarry data types, the size and the emission range of particles are generated in a particle system emitter based on the data coordinate information and the position spacing, the generation quantity of the particles is set based on the quantity of the data points, a rendering model of the particles is set according to the effect requirement of the required data visualization, and the life cycle of the particles is set according to the visualization requirement. Setting coordinate positions and color values of particles according to the coordinate information and the numerical information content by a NiagaraModuleScript module, and simultaneously creating a time axis node to dynamically represent the change process and result of the data;
Step three: three-dimensional visual generation of scalar data; the method comprises the steps of creating in a Niagara particle system transmitter by arranging a grid body renderer, defining a three-dimensional representation form of data according to position information in data attributes, and converting coordinate information of data points into relative coordinates of a particle system according to the three-dimensional representation form of the data. And obtaining the maximum value and the minimum value in the data set, setting a color curve according to the addition of the scale color module in the particle updating module, mapping the specific numerical value of the data to the color value of the particle, and completing the conversion from the physical value of the data point to the color value. Setting the material object of the renderer as the material which is originally created by the renderer in rendering setting, thereby realizing the setting of the color value of the particles; meanwhile, the function provided by the Niagara system can be utilized to open a color curve as a variable to a user for custom color mapping, and the display requirement of the user on multiple directions and occasions is met through the numerical value and the transformation condition in a color reaction data field; in addition, the three-dimensional visual ocean data can also be added with time dimension data, and the change of numerical values of each coordinate position is recorded, so that the change effect of the data along with time is displayed;
Step four: creating a vector data visualization effect. The vector data is characterized in that spline lines are drawn according to the coordinates and direction information of the data, the number of spline lines is firstly determined, the starting point coordinates of each spline line are random floating point numbers generated in uniform distribution through codes, the second point of each spline line is set according to the change coordinates of the data direction, superposition calculation is carried out in a Niagara particle emitter through setting drag force, point attractive force and other forces, and particles move along the track of data transformation, so that the dynamic effect of the vector data is realized;
According to the ocean equipment coordinate information in the corresponding area obtained from the data layer in the three-dimensional scene, adding a real ocean equipment three-dimensional model into the three-dimensional scene according to the scene proportion, observing an equipment target entity according to a time sequence, visually, flexibly and vividly presenting a macroscopic situation, and rapidly grasping the overall situation and characteristics of a certain area.
In an embodiment, the ocean three-dimensional situation visualization platform further comprises a man-machine interaction layer, and the observation position, the observation mode and the ocean data three-dimensional model of the three-dimensional scene are adjusted through the man-machine interaction layer.
In a specific implementation, as shown in fig. 1, the man-machine interaction layer: a user-friendly interactive interface is provided so that a user can conveniently control, browse and analyze marine data in a three-dimensional scene. The method specifically comprises the following steps: the observation position of the three-dimensional scene is changed by adjusting the position of a mouse or a keyboard direction key; selecting an observation mode of a scene through a button; the three-dimensional model and the physical attribute information of the ocean equipment are obtained by clicking the corresponding ocean equipment in the scene; and adding the visual effect of the corresponding data into the three-dimensional scene by selecting the name of the observed data.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
In summary, the ocean three-dimensional situation visualization platform based on the illusion engine provided by the invention is used for creating an ocean three-dimensional scene and real geographic data based on the illusion engine to perform virtual scene creation and material rendering, realizing dynamic loading and control of a three-dimensional model in the scene, and simultaneously realizing dynamic display of ocean data in the three-dimensional scene, data statistics and data analysis visualization.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. The protection scope of the patent of the application shall therefore be subject to the protection scope of the appended claims.
Claims (5)
1. Ocean three-dimensional situation visualization platform based on illusion engine, its characterized in that, ocean three-dimensional situation visualization platform includes:
The data layer is used for collecting first ocean data, and judging the first ocean data according to preset ocean data to obtain a judging result;
The logic layer is used for carrying out data division and data cleaning on the first ocean data according to the judging result to obtain second ocean data, the second ocean data comprises ocean equipment data and operation data, the ocean equipment data corresponding to the area is rendered according to the requirement, after the three-dimensional model of the area to be rendered is loaded in the three-dimensional model library of the illusion engine system according to the ID value of the ocean equipment data, an Actor base class of the three-dimensional model is called in the GameMode blueprint of the illusion engine system according to the operation data and the ocean equipment data, and a three-dimensional model of the ocean data is created;
The scene layer is characterized in that the second marine data further comprises marine environment data, wherein the marine environment data is divided into scalar data and vector data, a three-dimensional visualization form of the second marine data is defined through a Niagara particle system, physical values of data points of the second marine data are converted into color values of particles through the Niagara particle system, spline lines are drawn according to the second marine data in the Niagara particle system, a three-dimensional scene is created according to the color values and the spline lines, and then the marine data three-dimensional model is added into the three-dimensional scene;
Wherein defining the three-dimensional visualization of the second marine data by means of a Niagara particle system comprises in particular:
Acquiring coordinate information of data points of the scalar data from an NC file, defining the three-dimensional visualization form of the scalar data through the Niagara particle system, converting the coordinate information into relative coordinates in the Niagara particle system, adding a scale color module in the Niagara particle system, and mapping the relative coordinates to the color values of the particles through the scale color module to realize the visualization of the scalar data;
Drawing the spline of the vector data according to the coordinate information and the direction information in the operation data, including: determining the number of spline lines, wherein the starting point coordinates of each spline line are random floating point numbers generated in uniform distribution through codes, after setting other coordinates of the spline lines according to the direction information and the coordinate information in the operation data, drawing the spline lines according to the starting point coordinates and the other coordinates, setting a plurality of forces in the Niagara particle system according to the spline lines, and performing superposition calculation on the plurality of forces to enable the particles to move along the spline lines so as to realize visualization of the vector data;
Wherein adding the ocean data three-dimensional model to the three-dimensional scene specifically comprises:
Creating a three-dimensional terrain, namely, according to the longitude and latitude coordinate range of a rendering area, acquiring elevation data of a selected area from global elevation data to generate a gray level map, and creating a real submarine terrain by using a land slope mode of an illusion engine system;
reading marine equipment data and marine equipment data existing in the selected space range from a database, and loading a corresponding three-dimensional model and matched physical attributes and behavior attributes thereof in the illusion engine system according to the ID value;
In a GameMode blueprint of the project, loading all elements in the three-dimensional scene through SpawnActorFromClass nodes, transmitting the serial numbers, index values and initial positions of marine equipment data as input data into the nodes, calling an Actor base class of a marine three-dimensional model, and loading three-dimensional mesh of marine equipment in the Actor base class according to the transmitted serial numbers and numbers;
And generating a spline line component of the marine equipment in the time period according to the coordinate information in the data read from the database, and setting the moving speed of the object according to the time information in the read data through setting of a time axis function and the time of the marine equipment between two points, so that the change of the position and the state of the three-dimensional model of the marine equipment in a scene according to time change is realized.
2. The ocean three-dimensional situation visualization platform according to claim 1, wherein after the data layer presets the ocean data limit and the coordinate range, whether the ocean data exceeds the preset ocean data limit and the coordinate range is judged, and the judgment result is obtained.
3. The ocean three-dimensional situational visualization platform of claim 1, wherein the logic layer saves the second ocean data into a database;
the logic layer reads the second ocean data corresponding to the area to be rendered from the database, acquires elevation data of the area to be rendered from global elevation data according to the second ocean data corresponding to the area to be rendered, generates a gray level map according to the elevation data, and creates real submarine topography through the illusion engine system according to the gray level map.
4. A marine three-dimensional situational visualization platform as claimed in claim 3 in which the logic layer reads from the database the marine rig data present in the region to be rendered, in accordance with the actual sub-sea terrain.
5. The ocean three-dimensional situational visualization platform of claim 1, further comprising a man-machine interaction layer by which the three-dimensional scene's observation position, observation pattern, and the ocean data three-dimensional model are adjusted.
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