CN113223167B - Three-dimensional weather sand table building method and system - Google Patents
Three-dimensional weather sand table building method and system Download PDFInfo
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Abstract
The invention provides a method and a system for building a three-dimensional weather sand table. Determining a longitude and latitude range of a data table, and generating a basic three-dimensional terrain model; automatically setting a longitude and latitude locator according to the projection mode of the satellite map and the topographic map, so that meteorological data are accurately mapped to a virtual basic three-dimensional topographic model; configuring a data source address and a drawing style corresponding to the meteorological data type; storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type; performing meteorological simulation by using a simulation timeline mode according to the type data pool; releasing the type data pool by using a simulation timeline according to the type data pool; setting a three-dimensional scene roaming mode, and carving a moving path of an observation lens to form a three-dimensional video or view. According to the scheme, a basic three-dimensional terrain model is established, data virtualization of a time line and multiple views is performed, and three-dimensional view display of multiple types of weather is achieved.
Description
Technical Field
The invention relates to the technical field of meteorological monitoring, in particular to a method and a system for building a three-dimensional weather sand table.
Background
The meteorological data refer to specific data used for displaying the meteorological industry, and comprise data types such as rainfall, water vapor content, ground wind flow field, lightning and the like, if the data can be visually drawn, the meteorological state can be effectively simulated, and the meteorological data have great significance for meteorological prediction and research.
The prior art is mainly based on two-dimensional data, data prediction is carried out by utilizing geographic positions and historical data, and data state backtracking based on three-dimensional data cannot be effectively realized during the data prediction process, so that the visualization level is low.
Disclosure of Invention
In view of the above problems, the invention provides a method and a system for building a three-dimensional weather sand table, which perform data virtualization of a time line and multiple views by building a basic three-dimensional terrain model, so as to realize three-dimensional view display of multiple types of weather.
According to the first aspect of the embodiment of the invention, a three-dimensional weather sand table building method is provided.
In one or more embodiments, preferably, the method for building a three-dimensional weather sand table includes:
determining the latitude and longitude range of the data table, and generating a basic three-dimensional terrain model;
automatically setting a longitude and latitude locator according to the projection mode of the satellite map and the topographic map, so that meteorological data are accurately mapped to the virtual basic three-dimensional topographic model;
configuring a data source address corresponding to the meteorological data type on the basic three-dimensional terrain model;
configuring a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
performing meteorological simulation by using a simulation timeline mode according to the type data pool;
releasing the type data pool by using a simulation timeline according to the type data pool;
setting a three-dimensional scene roaming mode, and carving a moving path of an observation lens to form a three-dimensional video or view.
In one or more embodiments, preferably, the determining the latitude and longitude range of the data table and generating the basic three-dimensional terrain model specifically include:
determining a first type of longitude and latitude range data of a longitude range and a latitude range;
determining terrain elevation data according to the first type of longitude and latitude range data;
acquiring a satellite photo corresponding to the first category of longitude and latitude range data;
converting the terrain elevation data into a three-dimensional model in a three-dimensional engine;
and mapping the satellite photo into the three-dimensional model to generate the basic three-dimensional terrain model.
In one or more embodiments, preferably, the automatically setting a longitude and latitude locator according to a projection manner of a satellite map and a topographic map to accurately map meteorological data onto the virtual basic three-dimensional topographic model specifically includes:
acquiring a satellite map and a topographic projection mode;
setting a warp and weft positioner on the satellite map according to a topographic map projection mode;
and determining the corresponding dimension position of the meteorological data on the basic three-dimensional terrain model through the longitude and latitude positioner.
In one or more embodiments, preferably, the performing the weather simulation by using a simulation timeline according to the type data pool specifically includes:
configuring timeline operating data, wherein the timeline operating data comprises operating speeds;
setting the value range and the time range of the meteorological data;
and carrying out online time line running state simulation according to the value range, the time range and the running time line of the meteorological data.
In one or more embodiments, preferably, the releasing the type data pool by using a simulation timeline according to the type data pool specifically includes:
judging whether the time line attribute in the type data pool is larger than the current time of the time line;
when the time line attribute is larger than the current time of the time line, releasing the data bars in the type data pool along with the change of the time line;
when the time line attribute is larger than the current time of the time line, not releasing the data bars in the type data pool along with the change of the time line;
and analyzing and drawing the target meteorological data in the data bar.
In one or more embodiments, preferably, the determining whether the timeline attribute in the type data pool is greater than the current time of the timeline specifically includes:
when each time line is started, a temporary data index pool is established;
with the accumulation of the time lines, judging whether the earliest time index in a temporary data index pool is smaller than the time of the current time line;
when the earliest time index is smaller than the time of the current time line, drawing meteorological data corresponding to the index;
deleting the corresponding indexes in the temporary index pool after the weather data corresponding to the indexes are drawn;
and after the time line is automatically added, filling new temporary data into the temporary data index pool.
In one or more embodiments, preferably, the three-dimensional scene roaming method specifically includes: global roaming and national roaming;
wherein the global roaming includes a global cruise look-down mode and a global cruise look-side mode;
wherein the national tour comprises a national tour overlooking mode and a national tour side viewing mode.
According to the second aspect of the embodiment of the invention, a three-dimensional weather sand table building system is provided.
In one or more embodiments, preferably, the three-dimensional weather sand table building system includes:
the three-dimensional terrain model generation module is used for determining the latitude and longitude range of the data table and generating a basic three-dimensional terrain model;
the meteorological data mapping module is used for automatically setting a longitude and latitude positioner according to the projection mode of the satellite map and the topographic map so as to accurately map the meteorological data to the virtual basic three-dimensional topographic model;
the data source address determining module is used for configuring a data source address corresponding to the meteorological data type on the basic three-dimensional terrain model;
the drawing style confirming module is used for configuring a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
the data pool generating module is used for storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
the meteorological simulation module is used for carrying out meteorological simulation by utilizing a simulation timeline mode according to the type data pool;
the data release module is used for releasing the type data pool by utilizing a simulation timeline according to the type data pool;
and the scene roaming module is used for setting a three-dimensional scene roaming mode, carving a moving path of the observation lens and forming a three-dimensional video or view.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method according to any one of the first aspect of embodiments of the present invention.
According to a fourth aspect of embodiments of the present invention, there is provided an electronic device, comprising a memory and a processor, the memory being configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the steps of any one of the first aspect of embodiments of the present invention.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
1) the basic three-dimensional terrain is automatically produced through the data table, the full-automatic meteorological data electronic sand table building is realized, and the efficiency is high;
2) the running of a time line can be automatically simulated, and the prediction of the meteorological state of a set condition and a set range is realized;
3) the system can fuse various meteorological states through various view modes, visually display global or national data, and form views and videos.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 flowchart of a three-dimensional weather sand table building method according to an embodiment of the present invention.
Fig. 2 is a flowchart for determining a longitude and latitude range of a data table and generating a basic three-dimensional terrain model in the method for building a three-dimensional weather sand table according to an embodiment of the present invention.
Fig. 3 is a flowchart of automatically setting a longitude and latitude locator according to the projection mode of a satellite map and a topographic map in the three-dimensional weather sand table building method according to an embodiment of the present invention, so that meteorological data is accurately mapped onto a virtual basic three-dimensional topographic model.
Fig. 4 is a flowchart of performing weather simulation in a simulation timeline manner according to the type data pool in the three-dimensional weather sand table building method according to an embodiment of the present invention.
Fig. 5 is a flowchart of releasing the type data pool by using a simulation timeline according to the type data pool in the three-dimensional weather sand table building method according to the embodiment of the present invention.
Fig. 6 is a flowchart for determining whether the time line attribute in the type data pool is greater than the current time of the time line in the three-dimensional weather sand table building method according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a global tour overhead mode in a three-dimensional weather sand table building method according to an embodiment of the invention.
Fig. 8 is a schematic diagram of a global tour side view mode in a three-dimensional weather sand table building method according to an embodiment of the invention.
Fig. 9 is a schematic diagram of a national tour overhead mode in a three-dimensional weather sand table building method according to an embodiment of the invention.
Fig. 10 is a schematic diagram of a national tour side view mode in a three-dimensional weather sand table building method according to an embodiment of the invention.
Fig. 11 is a structural diagram of a three-dimensional weather sand table building system according to an embodiment of the present invention.
Fig. 12 is a block diagram of an electronic device in one embodiment of the invention.
Detailed Description
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
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.
The meteorological data refer to specific data used for displaying the meteorological industry, and comprise data types such as rainfall, water vapor content, ground wind flow field, lightning and the like, if the data can be visually drawn, the meteorological state can be effectively simulated, and the meteorological data have great significance for meteorological prediction and research.
The prior art is mainly based on two-dimensional data, data prediction is carried out by utilizing geographic positions and historical data, and data state backtracking based on three-dimensional data cannot be effectively realized during the data prediction process, so that the visualization level is low.
The embodiment of the invention provides a method and a system for building a three-dimensional weather sand table. According to the scheme, a basic three-dimensional terrain model is established, data virtualization of a time line and multiple views is performed, and three-dimensional view display of multiple types of weather is achieved.
According to the first aspect of the embodiment of the invention, a three-dimensional weather sand table building method is provided.
Fig. 1 is a flowchart of a three-dimensional weather sand table building method according to an embodiment of the present invention.
As shown in fig. 1, in one or more embodiments, preferably, the method for building a three-dimensional weather sand table includes:
s101, determining a longitude and latitude range of a data table, and generating a basic three-dimensional terrain model;
s102, automatically setting a longitude and latitude positioner according to the projection mode of the satellite map and the topographic map, and accurately mapping meteorological data to the virtual basic three-dimensional topographic model;
s103, configuring a data source address corresponding to the meteorological data type on the basic three-dimensional terrain model;
s104, configuring a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
s105, storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
s106, performing meteorological simulation by using a simulation timeline mode according to the type data pool;
s107, releasing the type data pool by using a simulation timeline according to the type data pool;
and S108, setting a three-dimensional scene roaming mode, and carving a moving path of the observation lens to form a three-dimensional video or view.
In the embodiment of the invention, firstly, a basic three-dimensional terrain model is automatically established, then the meteorological data is utilized to carry out drawing information configuration, the time line is utilized to complete the simulation of the meteorological data, the video or view display of various visual angles is completed, and the meteorological state is predicted.
Fig. 2 is a flowchart for determining a longitude and latitude range of a data table and generating a basic three-dimensional terrain model in the method for building a three-dimensional weather sand table according to an embodiment of the present invention.
As shown in fig. 2, in one or more embodiments, preferably, the determining the latitude and longitude range of the data table and generating the basic three-dimensional terrain model specifically includes:
s201, determining first-class longitude and latitude range data of a longitude range and a latitude range;
s202, determining terrain elevation data according to the first category of longitude and latitude range data;
s203, acquiring a satellite photo corresponding to the first category of longitude and latitude range data;
s204, converting the terrain elevation data into a three-dimensional model in a three-dimensional engine;
s205, mapping the satellite photo into the three-dimensional model to generate the basic three-dimensional terrain model.
In the embodiment of the invention, in order to determine the precision range and the dimension range, the satellite photos are screened by using the corresponding range, and the original two-dimensional data can be converted into three-dimensional data through the corresponding terrain data after screening to generate a basic three-dimensional terrain model.
Fig. 3 is a flowchart of automatically setting a longitude and latitude locator according to the projection mode of a satellite map and a topographic map in the three-dimensional weather sand table building method according to an embodiment of the present invention, so that meteorological data is accurately mapped onto a virtual basic three-dimensional topographic model.
As shown in fig. 3, in one or more embodiments, preferably, the automatically setting a longitude and latitude locator according to a projection manner of a satellite map and a topographic map to accurately map meteorological data onto the virtual basic three-dimensional topographic model specifically includes:
s301, acquiring a satellite map and a projection mode of a terrain;
s302, setting a warp and weft positioner on the satellite map according to a topographic map projection mode;
and S303, determining the corresponding dimension position of the meteorological data on the basic three-dimensional terrain model through the longitude and latitude positioner.
In the embodiment of the invention, according to the integrated terrain model, the precision dimension setting is completed by utilizing a terrain projection mode on the integrated terrain model, and the corresponding position of specific meteorological data on the basic three-dimensional terrain model is determined.
Fig. 4 is a flowchart of performing weather simulation in a simulation timeline manner according to the type data pool in the three-dimensional weather sand table building method according to an embodiment of the present invention.
As shown in fig. 4, in one or more embodiments, preferably, the performing a weather simulation in a simulation timeline manner according to the type data pool specifically includes:
s401, configuring time line running data, wherein the time line running data comprises running speed;
s402, setting a value range and a time range of the meteorological data;
and S403, performing online time line running state simulation according to the value range, the time range and the running time line of the meteorological data.
In the embodiment of the invention, in order to trace back the timeline, the data of the configured timeline needs to be used, and the specific meteorological data includes a value range and a time range, so that the state simulation is performed by using the value range and the time range, and the timeline tracing can be ensured to be performed in a preset data range.
Fig. 5 is a flowchart of releasing the type data pool by using a simulation timeline according to the type data pool in the three-dimensional weather sand table building method according to the embodiment of the present invention.
As shown in fig. 5, in one or more embodiments, preferably, the releasing the type data pool by using a simulation timeline according to the type data pool specifically includes:
s501, judging whether the time line attribute in the type data pool is larger than the current time of the time line;
s502, when the time line attribute is larger than the current time of the time line, releasing the data bars in the type data pool along with the change of the time line;
s503, when the time line attribute is larger than the current time of the time line, the data bar in the type data pool is not released along with the change of the time line;
and S504, analyzing and drawing the target meteorological data in the data bar.
In the embodiment of the invention, since the length of the timeline determines the content of each backtracking, when the data amount is too much, an error may occur. Therefore, when the time line attribute is larger than the current time, part of data in the data pool is released by adjustment, and the data in the data pool is used as target meteorological data for image drawing.
Fig. 6 is a flowchart for determining whether the time line attribute in the type data pool is greater than the current time of the time line in the three-dimensional weather sand table building method according to an embodiment of the present invention.
As shown in fig. 6, in one or more embodiments, preferably, the determining whether the timeline attribute in the type data pool is greater than the current time of the timeline specifically includes:
s601, when each time line is started, establishing a temporary data index pool;
s602, judging whether the earliest time index in the temporary data index pool is smaller than the time of the current time line along with the accumulation of the time line;
s603, when the earliest time index is smaller than the time of the current time line, drawing meteorological data corresponding to the index;
s604, deleting the corresponding index in the temporary index pool after the weather data corresponding to the index is drawn;
and S605, after the time line is automatically increased, filling new temporary data into the temporary data index pool.
In the embodiment of the invention, when data index on each time line is carried out, the earliest time of the time line is continuously judged according to the increase of the time line, and when the earliest time is the minimum time, the corresponding early data is deleted, and the whole meteorological data is drawn. And when all the weather data are drawn, adding the latest temporary data to the temporary data index pool. And displaying all information under the whole data line through the temporary data index pool.
In one or more embodiments, preferably, the three-dimensional scene roaming method specifically includes: global roaming and national roaming;
wherein the global roaming includes a global cruise look-down mode and a global cruise look-side mode;
wherein the national tour comprises a national tour overlooking mode and a national tour side viewing mode.
Specifically, after the three-dimensional scene roaming mode is selected, the roaming plane imaging is carried out, and the method specifically comprises the following steps:
reading a current three-dimensional scene roaming mode, and determining a longitude area and a latitude area of a roaming range according to the roaming mode;
inquiring elevation information in meteorological data according to the longitude area and the latitude area, storing the longitude information as first data, storing the latitude information as second data, and storing the elevation information as third data;
determining longitude, latitude and elevation of an observation point in a preset roaming mode table;
taking the longitude, the latitude and the elevation of the observation point as an origin of coordinates;
converting the first data into horizontal axis data in meters through a first calculation formula;
converting the second data into longitudinal axis data in meters through a second calculation formula;
determining all meteorological data within the range of the preset observation distance by using a third calculation formula;
determining the most recently visible meteorological data starting from an origin in all directions;
and generating a roaming image or video according to the latest visible weather data.
The first calculation formula is:
x＝k1(a1-x0)
wherein x is the horizontal axis data, a1For the first data, x0Abscissa of origin, k1Is the conversion coefficient between longitude and meter;
the second calculation formula is:
y＝k2(a2-x0)
wherein y is the longitudinal axis data, a2In order to be able to process the second data,y0is the ordinate of the origin, k2Is the conversion coefficient between latitude and meter;
the third calculation formula is:
wherein d is the spatial distance between the origin and the meteorological data, x is the horizontal axis data, y is the vertical axis data, z is the third data, and x is0Abscissa of origin, y0Is the ordinate of the origin, z0Height direction coordinates as an origin;
through the roaming plane imaging can generate three-dimensional image presentation, realize comprehensive display and rendering 3D effect in the presentation process, improve the visual display capacity of the three-dimensional weather sand table, and can analyze the weather conditions of different elevation positions.
As shown in fig. 7 to 10, schematic diagrams of a global tour top view mode, a global tour side view mode, a national tour top view mode and a national tour side view mode in the three-dimensional weather sand table building method according to the embodiment of the present invention are shown. In the embodiment of the invention, a plurality of roaming modes are set, and in each roaming mode, the position and the latitude and longitude range of the visual angle are corresponding, so that the roaming area is determined by different latitude and longitude ranges, wherein national roaming or global roaming can be included, and smaller roaming ranges can also be included.
According to the second aspect of the embodiment of the invention, a three-dimensional weather sand table building system is provided.
Fig. 11 is a structural diagram of a three-dimensional weather sand table building system according to an embodiment of the present invention.
As shown in fig. 11, in one or more embodiments, preferably, the three-dimensional weather sand table building system includes:
a three-dimensional terrain model generation module 1101, configured to determine a longitude and latitude range of the data table, and generate a basic three-dimensional terrain model;
the meteorological data mapping module 1102 is used for automatically setting a longitude and latitude locator according to the projection mode of the satellite map and the topographic map, so that meteorological data are accurately mapped to the virtual basic three-dimensional topographic model;
a data source address determining module 1103, configured to configure a data source address corresponding to a meteorological data type on the basic three-dimensional terrain model;
a drawing style confirmation module 1104, configured to configure a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
the data pool generating module 1105 is configured to store the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
a weather simulation module 1106, configured to perform weather simulation in a simulation timeline manner according to the type data pool;
a data release module 1107, configured to release the type data pool according to the type data pool by using a simulation timeline;
the scene roaming module 1108 is configured to set a three-dimensional scene roaming mode, and carve a moving path of the observation lens to form a three-dimensional video or view.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method according to any one of the first aspect of embodiments of the present invention.
According to a fourth aspect of the embodiments of the present invention, there is provided an electronic apparatus. Fig. 12 is a block diagram of an electronic device in one embodiment of the invention. The electronic device shown in fig. 12 is a general electronic sand table building apparatus, which includes a general computer hardware structure, which includes at least a processor 1201 and a memory 1202. The processor 1201 and the memory 1202 are connected by a bus 1203. The memory 1202 is adapted to store instructions or programs executable by the processor 1201. The processor 1201 may be a stand-alone microprocessor or a collection of one or more microprocessors. Thus, the processor 1201 implements the processing of data and the control of other devices by executing instructions stored by the memory 1202 to perform the method flows of embodiments of the present invention as described above. The bus 1203 connects the above components together, as well as connecting the above components to a display controller 1204 and a display device and input/output (I/O) device 1205. Input/output (I/O) devices 1205 may be a mouse, keyboard, modem, network interface, touch input device, motion-sensing input device, printer, and other devices known in the art. Typically, the input/output devices 1205 are connected to the system through input/output (I/O) controllers 1206.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
1) the basic three-dimensional terrain is automatically produced through the data table, the full-automatic meteorological data electronic sand table building is realized, and the efficiency is high;
2) the running of a time line can be automatically simulated, and the prediction of the meteorological state of a set condition and a set range is realized;
3) the system can fuse various meteorological states through various view modes, visually display global or national data, and form views and videos.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A three-dimensional weather sand table building method is characterized by comprising the following steps:
determining the latitude and longitude range of the data table, and generating a basic three-dimensional terrain model;
automatically setting a longitude and latitude locator according to the projection mode of the satellite map and the topographic map, so that meteorological data are accurately mapped to the virtual basic three-dimensional topographic model;
configuring a data source address corresponding to the meteorological data type on the basic three-dimensional terrain model;
configuring a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
performing meteorological simulation by using a simulation timeline mode according to the type data pool;
releasing the type data pool by using a simulation timeline according to the type data pool;
setting a three-dimensional scene roaming mode, and carving a moving path of an observation lens to form a three-dimensional video or view;
specifically, the releasing the type data pool by using a simulation timeline according to the type data pool specifically includes:
judging whether the time line attribute in the type data pool is larger than the current time of the time line;
when the time line attribute is larger than the current time of the time line, releasing the data bars in the type data pool along with the change of the time line;
when the time line attribute is not larger than the current time of the time line, not releasing the data bars in the type data pool along with the change of the time line;
and analyzing and drawing the target meteorological data in the data bar.
2. The method for building a three-dimensional weather sand table according to claim 1, wherein the determining of the latitude and longitude range of the data table and the generation of the basic three-dimensional terrain model specifically comprise:
determining a first type of longitude and latitude range data of a longitude range and a latitude range;
determining terrain elevation data according to the first type of longitude and latitude range data;
acquiring a satellite photo corresponding to the first category of longitude and latitude range data;
converting the terrain elevation data into a three-dimensional model in a three-dimensional engine;
and mapping the satellite photo into the three-dimensional model to generate the basic three-dimensional terrain model.
3. The method for building the three-dimensional weather sand table according to claim 1, wherein the longitude and latitude positioner is automatically set according to the projection mode of the satellite map and the topographic map, so that meteorological data are accurately mapped to the virtual basic three-dimensional topographic model, and the method specifically comprises the following steps:
acquiring a satellite map and a topographic projection mode;
setting a warp and weft positioner on the satellite map according to a topographic map projection mode;
and determining the corresponding dimension position of the meteorological data on the basic three-dimensional terrain model through the longitude and latitude positioner.
4. The method for building a three-dimensional weather sand table according to claim 1, wherein the weather simulation is performed by using a simulation timeline mode according to the type data pool, and specifically comprises the following steps:
configuring timeline operating data, wherein the timeline operating data comprises operating speeds;
setting the value range and the time range of the meteorological data;
and carrying out online time line running state simulation according to the value range, the time range and the running time line of the meteorological data.
5. The method for building a three-dimensional weather sand table according to claim 1, wherein the step of judging whether the time line attribute in the type data pool is greater than the current time of the time line specifically comprises the steps of:
when each time line is started, a temporary data index pool is established;
with the accumulation of the time lines, judging whether the earliest time index in a temporary data index pool is smaller than the time of the current time line;
when the earliest time index is smaller than the time of the current time line, drawing meteorological data corresponding to the index;
deleting the corresponding indexes in the temporary index pool after the weather data corresponding to the indexes are drawn;
and after the time line is automatically added, filling new temporary data into the temporary data index pool.
6. The method for building the three-dimensional weather sand table according to claim 1, wherein the three-dimensional scene roaming mode specifically comprises: global roaming and national roaming;
wherein the global roaming includes a global cruise look-down mode and a global cruise look-side mode;
wherein the national tour comprises a national tour overlooking mode and a national tour side viewing mode.
7. A three-dimensional weather sand table building system is characterized by comprising:
the three-dimensional terrain model generation module is used for determining the latitude and longitude range of the data table and generating a basic three-dimensional terrain model;
the meteorological data mapping module is used for automatically setting a longitude and latitude positioner according to the projection mode of the satellite map and the topographic map so as to accurately map the meteorological data to the virtual basic three-dimensional topographic model;
the data source address determining module is used for configuring a data source address corresponding to the meteorological data type on the basic three-dimensional terrain model;
the drawing style confirming module is used for configuring a drawing style corresponding to the meteorological data type on the basic three-dimensional terrain model;
the data pool generating module is used for storing the meteorological data into a corresponding type data pool according to the meteorological data corresponding to the meteorological data type;
the meteorological simulation module is used for carrying out meteorological simulation by utilizing a simulation timeline mode according to the type data pool;
the data release module is used for releasing the type data pool by utilizing a simulation timeline according to the type data pool;
the scene roaming module is used for setting a three-dimensional scene roaming mode, engraving a moving path of an observation lens and forming a three-dimensional video or view;
specifically, the releasing the type data pool by using a simulation timeline according to the type data pool specifically includes:
judging whether the time line attribute in the type data pool is larger than the current time of the time line;
when the time line attribute is larger than the current time of the time line, releasing the data bars in the type data pool along with the change of the time line;
when the time line attribute is not larger than the current time of the time line, not releasing the data bars in the type data pool along with the change of the time line;
and analyzing and drawing the target meteorological data in the data bar.
8. A computer-readable storage medium on which computer program instructions are stored, which, when executed by a processor, implement the method of any one of claims 1-6.
9. An electronic device comprising a memory and a processor, wherein the memory is configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the steps of any of claims 1-6.
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