CN115438103A - Three-dimensional target display method, system medium and equipment for earth-fixed system and earth-inertial system scenes - Google Patents
Three-dimensional target display method, system medium and equipment for earth-fixed system and earth-inertial system scenes Download PDFInfo
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- CN115438103A CN115438103A CN202211032427.0A CN202211032427A CN115438103A CN 115438103 A CN115438103 A CN 115438103A CN 202211032427 A CN202211032427 A CN 202211032427A CN 115438103 A CN115438103 A CN 115438103A
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Abstract
The invention discloses a three-dimensional target display method, a system medium and equipment for a ground-fixed system scene and a ground-inertial system scene. The method comprises the following steps: the method comprises the steps of obtaining target polar coordinate data and station address longitude and latitude height data, carrying out position conversion processing on the target polar coordinate data and the station address longitude and latitude height data to obtain target geostationary system longitude and latitude height data and target geostationary system longitude and latitude height data, and carrying out three-dimensional scene display according to the target geostationary system longitude and latitude height data and the target geostationary system longitude and latitude height data.
Description
Technical Field
The invention relates to the field of three-dimensional scene display, in particular to a three-dimensional target display method, a system medium and equipment for a geostationary system and a geostationary system scene.
Background
At present, targets are displayed in a three-dimensional scene, only target information in a single coordinate system (a geostationary system or a geostationary system) can be displayed, or a plurality of sets of coordinate systems (a geostationary system and a geostationary system) are defined to independently display the targets, and the targets are displayed in different scenes by switching coordinate scenes.
The existing method can not simultaneously display the target information under the earth fixed system and the earth inertial system, or define a plurality of sets of display scenes, is complex to realize, can not compatibly display the target information under the earth fixed system and the earth inertial system in one scene, and realizes effective unification of data and different coordinate display scenes.
Disclosure of Invention
The invention aims to solve the technical problem of providing a three-dimensional target display method, a system medium and equipment for an earth-fixed system and an earth-inertial system scene aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
a three-dimensional target display method for a geostationary and geostationary scene comprises the following steps:
acquiring target polar coordinate data and station address longitude and latitude height data;
performing position conversion processing on the target polar coordinate data and the station site longitude and latitude height data to obtain target geostationary system longitude and latitude height data and target geostationary system longitude and latitude height data;
and displaying a three-dimensional scene according to the target geodetic fixed system longitude and latitude height data and the target geodetic inertial system longitude and latitude height data.
The beneficial effects of the invention are: by adopting the three-dimensional target display method under the compatible geostationary system and geostationary system scene, the three-dimensional target under the geostationary system and the geostationary system can be compatibly displayed under the same scene, namely, target data under the geostationary system can be displayed under the geostationary system, the effective unification of the data and different coordinate display scenes is realized, only the same set of data needs to be converted, and the method is simple and effective.
Further, the target geofixation longitude and latitude height data comprises: the earth is target longitude data, target latitude data and target altitude data.
Further, the target geoinertial system longitude and latitude height data comprises: longitude data, latitude data and altitude data of the target under the geostationary system.
Further, the target polar coordinate data and the station location longitude and latitude height data include:
target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
Another technical solution of the present invention for solving the above technical problems is as follows:
a three-dimensional target display system of a geostationary and geostationary scene, comprising: the system comprises a target data acquisition module, a conversion processing module and a three-dimensional display module;
the target data acquisition module is used for acquiring target polar coordinate data and station address longitude and latitude height data;
the conversion processing module is used for performing position conversion processing on the target polar coordinate data and the station address longitude and latitude height data to obtain target geodetic fixed system longitude and latitude height data and target geodetic inertial system longitude and latitude height data;
and the three-dimensional display module is used for displaying a three-dimensional scene according to the target geodetic fixed system longitude and latitude height data and the target geodetic inertial system longitude and latitude height data.
The invention has the beneficial effects that: by adopting the three-dimensional target display system under the scene of the compatible geostationary system and the geostationary system, the three-dimensional target under the geostationary system and the geostationary system can be compatibly displayed under the same scene, namely, target data under the geostationary system can be displayed under the geostationary system, the effective unification of the data and different coordinate display scenes is realized, only the same set of data needs to be converted, and the method is simple and effective.
Further, the target geosynthetic longitude and latitude height data comprises: the earth is target longitude data, target latitude data and target altitude data.
Further, the target geoinertial system longitude and latitude height data comprises: longitude data, latitude data and altitude data of the target under the geostationary system.
Further, the target polar coordinate data and the station location longitude and latitude height data include: target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
Another technical solution of the present invention for solving the above technical problems is as follows:
a storage medium having instructions stored therein, which when read by a computer, cause the computer to execute a method of displaying three-dimensional objects of an earth fixation and earth inertial system scene according to any one of the above aspects.
Another technical solution of the present invention for solving the above technical problems is as follows:
an electronic device comprising a processor and the storage medium of the above aspects, the processor executing instructions in the storage medium.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flowchart of a three-dimensional target display method for a geostationary and geostationary scene according to an embodiment of the present invention;
fig. 2 is a block diagram of a three-dimensional target display system of a geostationary and geostationary scene according to an embodiment of the present invention;
fig. 3 is a flowchart of three-dimensional target display in a compatible geostationary and geostationary scene according to another embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, a method for displaying a three-dimensional target of a geostationary system and a geostationary system scene provided in an embodiment of the present invention includes:
s1, acquiring target polar coordinate data and station location longitude and latitude height data; the target polar coordinate data and the station location longitude and latitude height data comprise: the system comprises target distance R, azimuth A, pitching E data, station address longitude L, latitude B and altitude H data.
S2, performing position conversion processing on the target polar coordinate data and the station address longitude and latitude height data to obtain target geostationary system longitude and latitude height data and target geostationary system longitude and latitude height data; the longitude and latitude height data of the earth fixation system comprises: longitude lon, latitude lat, and altitude alt of the earth fixation system. The longitude and latitude height data of the geostationary system comprises: longitude lonT, latitude latT and altitude altT data of the geostationary geodetic coordinate system.
In one embodiment, in order to realize display of target data in the earth-fixed system in the display system, that is, to compatibly display the earth-fixed system and the earth-inertial target data in the earth-fixed system, the target is first converted from the earth polar coordinate system RAE data to the earth rectangular (north-sky-east) coordinate system X, Y, Z data, then from the earth rectangular (north-sky-east) coordinate system X, Y, Z data to the earth-fixed earth-center rectangular coordinate system dxX, dyY and dzZ data, and then from the earth-fixed earth-center rectangular coordinate system dxX, dyY and dzZ data to the earth-fixed earth-center terrestrial coordinate system lon, lat and alt data, where the earth-center terrestrial coordinate system lon, lat and alt data are longitude, latitude and altitude data that we understand daily.
In one embodiment, target geocentric right angle data under the geostationary system are calculated, detection time T of a current target is obtained in real time and converted into UTC time, and a Greenwich fixed star time angle dHita 0 is calculated according to the UTC time.
And under the earth fixed earth center rectangular coordinate system, clockwise rotating the fixed star time angle dHita 0 around the X axis to calculate and obtain the lower target earth center rectangular data dxXT, dyYT and dzZT of the earth inertial system.
In another embodiment, the method for calculating longitude, latitude and altitude data of the geostationary system is adopted to transfer the lower target geocentric right angle data dxXT, dyYT and dzZT of the geostationary system to longitude lonT, latitude latT and altitude altT data of the geostationary system.
And S3, displaying a three-dimensional scene according to the target geodetic fixed system longitude and latitude height data and the target geodetic inertial system longitude and latitude height data. The longitude and latitude height data of the underground system and the longitude and latitude height data of the inertial system under the underground system are displayed in the built three-dimensional display scene system.
By adopting the three-dimensional target display method under the compatible geostationary system and geostationary system scene, the three-dimensional target under the geostationary system and the geostationary system can be compatibly displayed under the same scene, namely, target data under the geostationary system can be displayed under the geostationary system, the effective unification of the data and different coordinate display scenes is realized, only the same set of data needs to be converted, and the method is simple and effective.
In another embodiment, a three-dimensional target display method under a compatible geostationary and geostationary scene includes the following steps:
step 111: and acquiring target polar coordinate data and station location longitude and latitude height data.
Step 112: and calculating the position data of the target under the current display system.
The method comprises the following specific steps:
step 1121, calculating the longitude, latitude and altitude data of the target under the earth fixed system: firstly, transferring a target from a terrestrial polar coordinate system R, A, E data to a terrestrial right-angle (north heaven-east) coordinate system X, Y, Z data, then transferring from a terrestrial right-angle (north heaven-east) coordinate system X, Y, Z data to a geocentric rectangular coordinate system dxX, dyY and dzZ data, and then transferring from the geocentric rectangular coordinate system dxX, dyY and dzZ data to a geocentric terrestrial coordinate system lon, lat and alt data, wherein the geocentric terrestrial coordinate system lon, lat and alt data are longitude, latitude and altitude data which are daily understood by people;
step 1122, calculating the right angle data of the target geocentric under the geostationary system: acquiring the detection time T of the current target in real time, converting the detection time T into UTC time, calculating according to the UTC time to obtain a Greenwich mean fixed star time angle dHita 0, clockwise rotating the fixed star time angle dHita 0 around an X axis under a geostationary earth center rectangular coordinate system, and calculating to obtain target earth center rectangular data dxXT, dyYT and dzZT under an geostationary earth system;
step 1123, calculating longitude, latitude and altitude data of the target under the geostationary system: in the synchronization step 1121, the same method is used to convert the lower target geocentric rectangular data dxXT, dyYT, dzZT of the geostationary system to the longitude lonT, latitude latT, altitude altT data of the geostationary system.
Step 113: and constructing a three-dimensional display scene system, and displaying the obtained longitude and latitude height data of the underground system and the longitude and latitude height data of the inertial system in the three-dimensional display scene.
A three-dimensional target display system under compatible geostationary and geostationary scenes comprises:
and the target data acquisition module is used for acquiring target distance R, azimuth A, pitching E data, station address longitude, latitude and altitude data through a radar real-time detection target or an off-line simulation model.
And the display data calculation and conversion module is used for performing coordinate conversion on the original target data to obtain longitude, latitude and altitude target data under the geostationary system and longitude, latitude and altitude data of a target under the geostationary system.
And the three-dimensional display module is used for establishing a coordinate scene displayed under the earth fixed system, and realizing that the earth fixed system and the earth inertial system target can be compatibly displayed through switching under the earth fixed system.
Optionally, in any embodiment above, the target geoanchoring longitude and latitude height data includes: the earth is target longitude data, target latitude data and target altitude data.
Optionally, in any embodiment above, the target geostationary longitude and latitude height data includes: longitude data, latitude data and altitude data of the target under the geostationary system.
Optionally, in any of the above embodiments, the target polar coordinate data and the station location longitude and latitude height data include:
target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
In one embodiment, as shown in fig. 3, a flow chart of three-dimensional target display in a compatible geostationary and geostationary scene is shown. The method comprises the following steps:
s10: and acquiring target polar coordinate data and station location longitude and latitude height data.
And acquiring target distance (R), azimuth (A) and pitch (E) data, and station address longitude (L), latitude (B) and altitude (H) data in real time.
S20: and calculating the position data of the target under the current display system.
In the display system, the display of the target data under the earth inertial system is to be realized under the earth fixed system, namely the compatible display of the earth fixed system and the earth inertial target data under the earth fixed system is realized, firstly, the target is converted from an earth polar coordinate system R, A, E data to an earth orthogonal (north heaven east) coordinate system X, Y, Z data, then the earth orthogonal (north heaven east) coordinate system X, Y, Z data is converted to an earth fixed earth core orthogonal coordinate system dxX, dyY and dzZ data, then the earth fixed earth core orthogonal coordinate system dxX, dyY and dzZ data is converted to earth fixed earth core earth coordinate system lon, lat and alt data, and the earth fixed earth coordinate system lon, lat and alt data are longitude, latitude and altitude data which are daily understood.
S21: and calculating the right angle data of the target geocentric under the geostationary system.
And acquiring the detection time T of the current target in real time, converting the detection time T into UTC time, and calculating according to the UTC time to obtain the Greenwich mean sidereal time angle dHita 0.
Under the earth fixed earth center rectangular coordinate system, clockwise rotating the fixed star time angle dHita 0 around the X axis to obtain the target earth center rectangular data dxXT, dyYT and dzZT under the earth inertial system by calculation,
s22: and calculating longitude, latitude and altitude data of the target under the geostationary system.
In the same step S20, the same method is adopted to convert the lower target geocentric right angle data dxXT, dyYT, dzZT of the geostationary system to longitude lonT, latitude latT, altitude altT data of the geostationary system.
S30: and displaying the three-dimensional target.
And displaying the obtained longitude and latitude height data of the underground system and the longitude and latitude height data of the inertial system in the built three-dimensional display scene system.
In another embodiment, a three-dimensional target display system under a compatible geostationary and geostationary scene is provided. The system includes a target data acquisition module 100, a conversion processing module 200, and a three-dimensional display module 300.
The target data obtaining module 100 is configured to obtain target polar coordinate data and station location longitude and latitude height data. The system specifically comprises distance R, azimuth A, pitching E data, station address longitude L, latitude B and altitude H data.
The conversion processing module 200 is configured to perform coordinate conversion on the original target data to obtain longitude, latitude, and altitude target data in the earth fixation system and longitude, latitude, and altitude data of a target in the earth fixation system in the earth inertial system.
The three-dimensional display module 300 is configured to display the display data in the three-dimensional scene at different coordinates calculated in the conversion processing module 200.
In one embodiment, as shown in fig. 2, a three-dimensional target display system for a geostationary and geostationary scene includes: a target data acquisition module 1101, a conversion processing module 1102 and a three-dimensional display module 1103;
the target data acquisition module 1101 is configured to acquire target polar coordinate data and station location longitude and latitude height data;
the conversion processing module 1102 is configured to perform position conversion processing on the target polar coordinate data and the station longitude and latitude and height data to obtain longitude, latitude and height target data under a geostationary system and longitude, latitude and height data of a target under the geostationary system;
the three-dimensional display module 1103 is configured to perform three-dimensional scene display according to the geostationary system longitude and latitude height data and the geostationary system longitude and latitude height data.
By adopting the three-dimensional target display system under the scene of the compatible geostationary system and the geostationary system, the three-dimensional target under the geostationary system and the geostationary system can be compatibly displayed under the same scene, namely, target data under the geostationary system can be displayed under the geostationary system, the effective unification of the data and different coordinate display scenes is realized, only the same set of data needs to be converted, and the method is simple and effective.
Optionally, in any embodiment above, the target geoanchoring longitude and latitude height data includes: the ground is target longitude data, target latitude data and target altitude data.
Optionally, in any embodiment above, the target geostationary longitude and latitude height data includes: longitude data, latitude data and altitude data of the target under the geostationary system.
Optionally, in any embodiment above, the target polar coordinate data and the station location longitude and latitude height data include: target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
In an embodiment, a storage medium has instructions stored therein, and when the instructions are read by a computer, the instructions cause the computer to execute a method for displaying a three-dimensional object of a geostationary and geostationary scene according to any of the above embodiments
In one embodiment, an electronic device includes a processor and the storage medium of the foregoing embodiments, where the processor executes instructions in the storage medium.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
It should be noted that the above embodiments are product embodiments corresponding to the previous method embodiments, and for the description of each optional implementation in the product embodiments, reference may be made to corresponding descriptions in the above method embodiments, and details are not described here again.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described method embodiments are merely illustrative, and for example, the division of steps into only one logical functional division may be implemented in practice in another way, for example, multiple steps may be combined or integrated into another step, or some features may be omitted, or not implemented.
The above method, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A three-dimensional target display method for an earth-fixed system and earth-inertial system scene is characterized by comprising the following steps:
acquiring target polar coordinate data and station address longitude and latitude height data;
performing position conversion processing on the target polar coordinate data and the station site longitude and latitude height data to obtain target geostationary system longitude and latitude height data and target geostationary system longitude and latitude height data;
and displaying a three-dimensional scene according to the target geofixation longitude and latitude height data and the target geoinertial measurement longitude and latitude height data.
2. The method for displaying the three-dimensional target of the geostationary and geostationary scene according to claim 1, wherein the target geostationary longitude and latitude height data comprises: the ground is target longitude data, target latitude data and target altitude data.
3. The method for displaying the three-dimensional target of the geostationary and geostationary scene according to claim 1 or 2, wherein the target geostationary longitude and latitude height data comprises: longitude data, latitude data and altitude data of the target under the geostationary system.
4. The method for displaying the three-dimensional target of the geostationary and geostationary scenes according to claim 1 or 2, wherein the target polar coordinate data and the station longitude and latitude height data comprise:
target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
5. A three-dimensional target display system for geostationary and geostationary scenes, comprising: the system comprises a target data acquisition module, a conversion processing module and a three-dimensional display module;
the target data acquisition module is used for acquiring target polar coordinate data and station address longitude and latitude height data;
the conversion processing module is used for performing position conversion processing on the target polar coordinate data and the station address longitude and latitude height data to obtain target geodesic longitude and latitude height data and target inertial system longitude and latitude height data;
and the three-dimensional display module is used for displaying a three-dimensional scene according to the target geodetic fixed system longitude and latitude height data and the target geodetic inertial system longitude and latitude height data.
6. The system for displaying the three-dimensional target of the geostationary and geostationary scene according to claim 5, wherein the target geostationary longitude and latitude height data comprises: the earth is target longitude data, target latitude data and target altitude data.
7. The three-dimensional target display system of the geostationary and geostationary scenes according to claim 5 or 6, wherein the target geostationary longitude and latitude height data comprises: longitude data, latitude data and altitude data of the target under the geostationary system.
8. The system for displaying the three-dimensional target of the geostationary and geostationary scene according to claim 5 or 6, wherein the target polar coordinate data and the station location longitude and latitude data comprise: target distance, target azimuth, target pitch data, site longitude, site latitude, and site altitude data.
9. A storage medium having stored therein instructions that, when read by a computer, cause the computer to execute a method of displaying a three-dimensional object of a geostationary and geostationary scene according to any one of claims 1 to 4.
10. An electronic device comprising a processor and the storage medium of claim 9, the processor executing instructions in the storage medium.
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| CN202211032427.0A CN115438103A (en) | 2022-08-26 | 2022-08-26 | Three-dimensional target display method, system medium and equipment for earth-fixed system and earth-inertial system scenes |
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