CN110187314A - Radar primary information display methods and system - Google Patents
Radar primary information display methods and system Download PDFInfo
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- CN110187314A CN110187314A CN201910487125.4A CN201910487125A CN110187314A CN 110187314 A CN110187314 A CN 110187314A CN 201910487125 A CN201910487125 A CN 201910487125A CN 110187314 A CN110187314 A CN 110187314A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses radar primary information display methods and systems, are related to radar detection field.This method comprises: generating a blank image using Qt shape library, the size of blank image is identical as the size of the current window of OpenGL shape library；The primary information for obtaining radar, primary information is transformed under screen coordinate system, data of screen coordinate system are obtained；Blank image is drawn according to data of screen coordinate system, obtains primary information image；Primary information image is transformed into the current window of OpenGL shape library, primary information image is rendered.The present invention, which is realized, renders the information such as track and the independent of primary information in the same view, improve the display efficiency of primary information, compared to conventional method, Installed System Memory occupies lower, it can also multi-page display, it is convenient, flexible, expansible to have the advantages that, has very strong engineering value.
Description
Technical field
The present invention relates to radar detection field more particularly to radar primary information display methods and system.
Background technique
Radar primary information is the original radar signal exported by Radar Signal Processing subsystem, including distance, orientation, strong
Degree etc., i.e. radar raw radar data.When surveying and drawing to primary information, terminal is aobvious usually using cross-platform figure
Show library OpenGL with PPI view real-time rendering echo map.
However, the radar primary information passback period is often very fast, PPI is shown, the 360 degrees omnidirection complete period is needed
Real-time display, and when being rendered using OpenGL, it requires to redraw echo map every time, primary information is caused to show
Efficiency is not high enough, and Installed System Memory occupies also higher.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of radar primary information to show
Method and a kind of radar primary information display system.
The technical scheme to solve the above technical problems is that
A kind of radar primary information display methods, comprising:
A blank image is generated using Qt shape library, and the size of the blank image and OpenGL shape library work as front window
The size of mouth is identical；
The primary information for obtaining radar, the primary information is transformed under screen coordinate system, screen coordinate system one is obtained
Secondary data；
The blank image is drawn according to data of the screen coordinate system, obtains primary information image；
The primary information image is transformed into the current window of the OpenGL shape library, to the primary information figure
As being rendered.
The beneficial effects of the present invention are: radar primary information display methods provided by the invention, by by Qt shape library and
OpenGL shape library is transformed under the same coordinate system, after being drawn using Qt shape library to primary information, then is passed through
OpenGL shape library renders the target point track of radar, target signage information etc., and it is right in the same view to realize
The information such as point track and the independent of primary information render, and the display efficiency of primary information are improved, compared to conventional method, system
EMS memory occupation is lower, additionally it is possible to which multi-page display, it is convenient, flexible, expansible to have the advantages that, has very strong engineering valence
Value.
The another technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of radar primary information display system, comprising:
Image generation module, for using Qt shape library generate a blank image, the size of the blank image with
The size of the current window of OpenGL shape library is identical；
The primary information is transformed under screen coordinate system by coordinate transferring for obtaining the primary information of radar,
Obtain data of screen coordinate system；
Image Rendering module is obtained for being drawn according to data of the screen coordinate system to the blank image
To primary information image；
Image rendering module, for the primary information image to be transformed into the current window of the OpenGL shape library
In, the primary information image is rendered.
The beneficial effects of the present invention are: radar primary information display system provided by the invention, by by Qt shape library and
OpenGL shape library is transformed under the same coordinate system, after being drawn using Qt shape library to primary information, then is passed through
OpenGL shape library renders the target point track of radar, target signage information etc., and it is right in the same view to realize
The information such as point track and the independent of primary information render, and the display efficiency of primary information are improved, compared to conventional method, system
EMS memory occupation is lower, additionally it is possible to which multi-page display, it is convenient, flexible, expansible to have the advantages that, has very strong engineering valence
Value.
The another technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of storage medium is stored with instruction in the storage medium, when computer reads described instruction, makes the meter
Calculation machine executes radar primary information display methods as described in the above technical scheme.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is the flow diagram that the embodiment of radar primary information display methods of the present invention provides；
Fig. 2 is the structural framing figure that the embodiment of radar primary information display system of the present invention provides.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
In radar detection field, when drawing radar primary information, not only need to draw echo according to primary information
Map, it is also necessary to show treated target point track, target signage information etc..Currently, common way be using
OpenGL shape library is drawn, and the display of point, line, surface, text may be implemented in OpenGL shape library, compared to directly progress image
Render more flexible, also more convenient extension.
In current combat system, it is often very fast that radar primary information returns the period, and PPI is shown, need 360 degree it is complete
Orientation complete period real-time display needs to redraw every time, it is therefore desirable to record the comprehensive complete period since OpenGL shape library renders
It is also very big to redraw pressure for primary information.
And Qt shape library provides interface database abundant, is often used for interface development, uses Qt and two sets of OpenGL
The compatibility of rendering mode generates primary information image by Qt shape library, still uses on not changing original frame foundation
OpenGL shape library realizes the displays such as point track, target label, can be realized using image rendering and retains the one of history trendline
Secondary information image is only needed every time to be superimposed new information on original image when the primary information passback in new orientation, also not needed
It saves historical data, more selections can be provided for developer, rendering efficiency is also higher, has to the drafting of radar primary information
Very strong engineering application value, the present invention provide following embodiment to the compatibility for how realizing two sets of rendering modes of Qt and OpenGL
It is illustrated.
As shown in Figure 1, for the flow diagram that provides of embodiment of radar primary information display methods of the present invention, the radar
Primary information display methods includes:
S1 opens Qt shape library and OpenGL shape library, reads the current primary information display window of OpenGL shape library
Size, using Qt shape library generate a blank image, make the size of blank image and the current window of OpenGL shape library
Size it is identical.
Preferably, the solid colour for making the background colour of blank image and the current window of OpenGL shape library, can obtain
Better visual display effect, color are uniformly checked convenient for user.
It should be understood that should also define the interface of radar primary information in advance, comprising: radar bearing, the echo currently detected
Sampling interval, the echo strength of each sampled point etc., in order to drawing image accordingly.
S2 obtains the primary information of radar, primary information is transformed under screen coordinate system, it is primary to obtain screen coordinate system
Data.
It should be noted that in general, the primary information of radar is opposite radar center apart from bearing data, in big earth polar
Under coordinate system.
It should be understood that for the compatibility for realizing two sets of rendering modes of Qt and OpenGL, the primary information image drawn
QImage generates the coordinate system TGXY that cannot only consider Qt image itself, otherwise can not be perfect with OpenGL coordinate system TOXY
Superposition, two systems must be normalized under the same coordinate system.
S3 draws blank image according to data of screen coordinate system, obtains primary information image.
It should be noted that QPainter can be used carries out Image Rendering in blank image created, this meaning
Blank image draw coordinate system be screen coordinate system, after primary information is transformed under screen coordinate system, obtain screen seat
Data of mark system are exactly the data that directly can be used to draw by QPainter, and QPainter is in current screen position according to this
The lines that the echo strength of point carries out different colours are drawn, and the image of present orientation primary information can be obtained
Primary information image is transformed into the current window of OpenGL shape library by S4, according to the point track of radar, target
The information such as label render primary information image, the primary information image after multi-page display rendering.
It should be understood that after obtaining primary information image, it is also necessary to the information such as a track, target label in OpenGL window
Primary information image can be transformed into OpenGL shape library by middle Overlapping display, primary by calling OpenGL interface to realize
Information image rendering.
Radar primary information display methods provided in this embodiment, by the way that Qt shape library and OpenGL shape library to be transformed into
Under the same coordinate system, after being drawn using Qt shape library to primary information, then by OpenGL shape library to radar
Target point track, target signage information etc. are rendered, and are realized in the same view to the information such as track and primary letter
The independent rendering of breath, improves the display efficiency of primary information, and compared to conventional method, Installed System Memory occupies lower, additionally it is possible to
Multi-page display, it is convenient, flexible, expansible to have the advantages that, has very strong engineering value.
Optionally, in some embodiments, primary information is transformed under screen coordinate system, it is primary obtains screen coordinate system
Data specifically include:
Primary information is transformed under the rectangular projection coordinate system of OpenGL shape library, it is primary to obtain rectangular projection coordinate system
Data；
By under data conversion to screen coordinate system of rectangular projection coordinate system, data of screen coordinate system are obtained.
By being transformed into primary information under the rectangular projection coordinate system of OpenGL shape library, primary information and its ensure that
He puts the information such as track under rectangular projection coordinate system, realizes that coordinate system is unified, the image of drafting is not in deviation.
By that can obtain under data conversion to screen coordinate system of rectangular projection coordinate system directly by QPainter
For the data drawn, convenient for drawing.
It should be understood that primary information is usually GRA (apart from orientation) data of opposite radar center, it is in big earth polar coordinate system
TGRAUnder, it can be first by GRA data from big earth polar coordinate system TGRAIt is transformed into OpenGL inner orthogonal projected coordinate system TOXY, obtain
OXY data, then from rectangular projection coordinate system TOXYIt is transformed into screen coordinate system TWXYUnder, WXY data are obtained, coordinate conversion is completed.
Preferably, GRA data can be transformed by rectangular projection coordinate system T by following formulaOXYUnder:
OXY data can be transformed into screen coordinate system T by following formulaWXYUnder:
Wherein, TGRA-OXYIndicate big earth polar coordinate system TGRATo rectangular projection coordinate system TOXYTransition matrix, TOXY-WXYIt indicates
Rectangular projection coordinate system TOXYTo rectangular projection coordinate system TWXYTransition matrix.
It should be noted that those skilled in the art can select transition matrix according to actual needs.
Optionally, in some embodiments, before using Qt shape library one blank image of generation, further includes:
Define the interface of the primary information of radar, comprising: the sampling interval of the radar bearing, echo that currently detect and each
The echo strength of sampled point.
It should be understood that include many GPR Detection Datas in the raw data packets of radar passback, such as: radar bearing, sampling
Spacing, sampling time, sampled data quantity, echo strength of each sampled point etc., can be by pre-defining the primary of radar
It is primary to obtain drafting according to interface predetermined after getting raw data packets from raw data packets for the interface of information
Data required for information image improve the efficiency and flexibility of drafting.
It should be understood that defining the concrete mode and particular content of the interface of the primary information of radar, those skilled in the art can
To select and set according to actual needs.
Optionally, in some embodiments, blank image is drawn according to data of screen coordinate system, obtains one
Secondary information image, specifically includes:
The graphical pointv in data of screen coordinate system is obtained, graphical pointv is handled and turned by the sampled point in primary information
It changes in screen coordinate system and obtains；
Blank image is drawn according to the echo strength of graphical pointv, obtains primary information image.
It should be noted that in drawing process, it will usually handle sampled point, for example, can be by current sampling point
Extend a certain range on preset bearing A, such as can be 1 degree, distance holding R is constant, then can be obtained by two points (R,
A-0.5) and (R, A+0.5), the two points are transformed into screen coordinate system, obtain two graphical pointvs, uses QPainter root
It is drawn according to the lines that the echo strength of the sampled point carries out different colours, the image of present orientation primary information can be obtained.
Optionally, in some embodiments, primary information image is transformed into the current window of OpenGL shape library, is had
Body includes:
Primary information image is transformed into the current window of OpenGL shape library by the QglWidget class of Qt shape library
In, with information Overlapping display in OpenGL window such as track.
It should be noted that the QglWidget class encapsulated in Qt provides interface QImage=convertToGLFormat
QImage, can be converted to the image QImage that OpenGL can be identified by (* QImage), and the QImage after conversion can be called
GlDrawPixels () interface is directly rendered in OpenGL window, is presented to the user, wherein QImage is primary letter
Cease image.
It is appreciated that in some embodiments, may include such as implementation optional some or all of in the various embodiments described above
Mode.
As shown in Fig. 2, for the structural framing figure that provides of embodiment of radar primary information display system of the present invention, the radar
Primary information display system includes:
Image generation module 1, for generating a blank image, the size and OpenGL of blank image using Qt shape library
The size of the current window of shape library is identical；
Primary information is transformed under screen coordinate system, obtains for obtaining the primary information of radar by coordinate transferring 2
To data of screen coordinate system；
Image Rendering module 3 is once believed for being drawn according to data of screen coordinate system to blank image
Cease image；
Image rendering module 4, for primary information image to be transformed into the current window of OpenGL shape library, to primary
Information image is rendered.
Radar primary information display system provided in this embodiment, by the way that Qt shape library and OpenGL shape library to be transformed into
Under the same coordinate system, after being drawn using Qt shape library to primary information, then by OpenGL shape library to radar
Target point track, target signage information etc. are rendered, and are realized in the same view to the information such as track and primary letter
The independent rendering of breath, improves the display efficiency of primary information, and compared to conventional method, Installed System Memory occupies lower, additionally it is possible to
Multi-page display, it is convenient, flexible, expansible to have the advantages that, has very strong engineering value.
Optionally, in some embodiments, coordinate transferring 2 is specifically used for primary information being transformed into OpenGL figure
Under the rectangular projection coordinate system in library, data of rectangular projection coordinate system are obtained；By data conversion of rectangular projection coordinate system
To under screen coordinate system, data of screen coordinate system are obtained.
Optionally, in some embodiments, image generation module 1 is also used to define the interface of the primary information of radar, packet
It includes: the sampling interval of the radar bearing, echo that currently detect and the echo strength of each sampled point.
Optionally, in some embodiments, Image Rendering module 3 is specifically used for obtaining in data of screen coordinate system
Graphical pointv, graphical pointv are obtained by the sampled point in primary information through being processed and translated into screen coordinate system；According to graphical pointv
Echo strength draws blank image, obtains primary information image.
Optionally, in some embodiments, image rendering module 4 is specifically used for the QglWidget class by Qt shape library
Primary information image is transformed into the current window of OpenGL shape library.
It is appreciated that in some embodiments, may include such as implementation optional some or all of in the various embodiments described above
Mode.
It should be noted that the various embodiments described above are product embodiments corresponding with first embodiment of the method, for product
In embodiment the explanation of each optional embodiment can with reference in above-mentioned each method embodiment pair it should be noted that no longer superfluous herein
It states.
In other embodiments provided by the invention, a kind of storage medium is also provided, finger is stored in the storage medium
It enables, when computer reads described instruction, computer is made to execute the radar primary information as described in any one of above-described embodiment
Display methods.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of the embodiment of the present invention
's.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of radar primary information display methods characterized by comprising
A blank image is generated using Qt shape library, the current window of the size and OpenGL shape library of the blank image
Size is identical；
The primary information for obtaining radar, the primary information is transformed under screen coordinate system, number of screen coordinate system is obtained
According to；
The blank image is drawn according to data of the screen coordinate system, obtains primary information image；
The primary information image is transformed into the current window of the OpenGL shape library, to the primary information image into
Row rendering.
2. radar primary information display methods according to claim 1, which is characterized in that the primary information to be transformed into
Under screen coordinate systems, data of screen coordinate system are obtained, are specifically included:
The primary information is transformed under the rectangular projection coordinate system of the OpenGL shape library, obtains rectangular projection coordinate system
Data；
By under data conversion to screen coordinate system of the rectangular projection coordinate system, data of screen coordinate system are obtained.
3. radar primary information display methods according to claim 1, which is characterized in that generate one using Qt shape library
Before blank image, further includes:
Define the interface of the primary information of the radar, comprising: the sampling interval of the radar bearing, echo that currently detect and each
The echo strength of sampled point.
4. radar primary information display methods according to claim 1, which is characterized in that according to the screen coordinate system one
Secondary data draw the blank image, obtain primary information image, specifically include:
The graphical pointv in data of the screen coordinate system is obtained, the graphical pointv is passed through by the sampled point in the primary information
It is processed and translated into screen coordinate system and obtains；
The blank image is drawn according to the echo strength of the graphical pointv, obtains primary information image.
5. radar primary information display methods according to any one of claim 1 to 4, which is characterized in that by described one
Secondary information image is transformed into the current window of the OpenGL shape library, is specifically included:
The primary information image is transformed into working as the OpenGL shape library by the QglWidget class of the Qt shape library
In front window.
6. a kind of radar primary information display system characterized by comprising
Image generation module, for generating a blank image, the size and OpenGL of the blank image using Qt shape library
The size of the current window of shape library is identical；
The primary information is transformed under screen coordinate system, obtains for obtaining the primary information of radar by coordinate transferring
Data of screen coordinate system；
Image Rendering module obtains one for drawing according to data of the screen coordinate system to the blank image
Secondary information image；
Image rendering module is right for the primary information image to be transformed into the current window of the OpenGL shape library
The primary information image is rendered.
7. radar primary information display system according to claim 6, which is characterized in that the coordinate transferring is specific
For the primary information to be transformed under the rectangular projection coordinate system of the OpenGL shape library, rectangular projection coordinate system is obtained
Data；By under data conversion to screen coordinate system of the rectangular projection coordinate system, number of screen coordinate system is obtained
According to.
8. radar primary information display system according to claim 6, which is characterized in that described image generation module is also used
In the interface for the primary information for defining the radar, comprising: the sampling interval of the radar bearing, echo that currently detect and each adopt
The echo strength of sampling point.
9. radar primary information display system according to claim 6, which is characterized in that described image drafting module is specific
For obtaining the graphical pointv in data of the screen coordinate system, the graphical pointv is passed through by the sampled point in the primary information
It is processed and translated into screen coordinate system and obtains；The blank image is drawn according to the echo strength of the graphical pointv,
Obtain primary information image.
10. a kind of storage medium, which is characterized in that instruction is stored in the storage medium, when computer reads described instruction
When, so that the computer is executed the radar primary information display methods as described in any one of claims 1 to 5.
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| CN112114291A (en) * | 2019-09-05 | 2020-12-22 | 北京无线电测量研究所 | Radar primary information display method |
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| CN113567932A (en) * | 2021-08-27 | 2021-10-29 | 中电科星河北斗技术(西安)有限公司 | Radar display and control device |
| CN114217894A (en) * | 2021-12-10 | 2022-03-22 | 中国人民解放军96901部队25分队 | Method for realizing radar screen display by adopting Qt |
| CN114217894B (en) * | 2021-12-10 | 2023-09-05 | 中国人民解放军96901部队25分队 | Method for realizing radar screen display by adopting Qt |
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| CN110187314B (en) | 2021-07-23 |
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