CN109061571A - A kind of radar information display methods and system based on OpenGL - Google Patents
A kind of radar information display methods and system based on OpenGL Download PDFInfo
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- CN109061571A CN109061571A CN201810661984.6A CN201810661984A CN109061571A CN 109061571 A CN109061571 A CN 109061571A CN 201810661984 A CN201810661984 A CN 201810661984A CN 109061571 A CN109061571 A CN 109061571A
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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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present embodiments relate to a kind of radar information display methods and system, storage medium based on OpenGL.Wherein, this method comprises: creating multiple video memory spaces in video memory based on OpenGL；The initial radar information got is converted, target is obtained and shows information；Show information update to target video memory space target by OpenGL, wherein multiple video memory spaces include target video memory space；Information, which renders, to be shown to target by OpenGL, to show that information is shown to target.The technical solution provided through this embodiment, on the one hand, avoid the inflexible technology drawback of radar asorbing paint information in the prior art；On the other hand, the efficient technical effect shown to radar information is realized, and realizes the technical effect of the display mode of cross-platform radar information.
Description
Technical field
The present embodiments relate to radar information field of display technology more particularly to a kind of radar informations based on OpenGL
Display methods and system, storage medium.
Background technique
In radar detection field, radar terminal equipment is mainly used to show radar return data, especially radar return number
According to original image, including distance, orientation, intensity etc., i.e. radar information.Combat system proposes radar performance high at present
Requirement, radar swing circle even less than 10 seconds, the radar return data period is less than 10 milliseconds, and radar return data have
The feature that precision is high, detection range is remote needs to draw the data in complete period simultaneously in real time, draws pressure for the display of radar information
Power is very big.Traditional mode is for real-time rendering, by the way of software and hardware combining, realizes radar information using hardware system
It draws, effect is preferable, but realization is difficult and inflexible, needs software and hardware cooperation exploitation, and modern society's software technology is quick
Development, people start gradually to attempt pure software exploitation, but general drafting effect is poor, or even will affect other routine operations,
At present under the overall background of software nationalization and software cross-platformization, it is badly in need of a kind of high efficiency and is able to achieve cross-platform radar information
Display mode.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of radar information display methods based on OpenGL
With system, storage medium.
According to an aspect of an embodiment of the present invention, the embodiment of the invention provides a kind of radar informations based on OpenGL
Display methods, which comprises
Multiple video memory spaces are created in video memory based on OpenGL；
The initial radar information got is converted, target is obtained and shows information；
Show information update to target video memory space the target by the OpenGL, wherein multiple video memorys
Space includes target video memory space；
Information, which renders, to be shown to the target by the OpenGL, to show that information is shown to the target
Show.
It provides through this embodiment: creating multiple video memory spaces in video memory, initial radar information is converted, is obtained
Information is shown to target, and shows that information renders by target display information update to target video memory space, and to target, from
And realize the technical solution that the display of information is shown to target, on the one hand, it is inadequate to avoid radar asorbing paint information in the prior art
Flexible technology drawback；On the other hand, realize the efficient technical effect shown to radar information, and realize across
The technical effect of the display mode of the radar information of platform.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of computer-readable storage mediums
Matter is stored thereon with computer program, which is characterized in that the program realizes method as described above when being executed by processor.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of, and the radar based on OpenGL is believed
Display system is ceased, the system comprises: creation module, conversion module, update module, rendering module, wherein
The creation module is used for: creating multiple video memory spaces in video memory based on OpenGL；
The conversion module is used for: being converted to the initial radar information got, is obtained target and show information；
The update module is used for: by the OpenGL by the target show information update to target video memory space,
Wherein, multiple video memory spaces include target video memory space；
The rendering module is used for: showing that information renders to the target by the OpenGL, to realize pair
The target shows the display of information.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the radar information display methods based on OpenGL provided in an embodiment of the present invention；
Fig. 2 is the content of radar information provided in an embodiment of the present invention and the schematic diagram of format；
Fig. 3 is the schematic diagram of the institutional framework in video memory space provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of radar information storage mode in video memory space provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of the quantity in video memory space provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the radar information display system based on OpenGL provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, propose such as specific system structure, interface, technology it
The detail of class, to understand thoroughly the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system and method
Detailed description, in order to avoid unnecessary details interfere description of the invention.
The embodiment of the invention provides a kind of radar information display methods and system, storage medium based on OpenGL.
According to an aspect of an embodiment of the present invention, the embodiment of the invention provides a kind of radar informations based on OpenGL
Display methods.
First embodiment:
Referring to Fig. 1, Fig. 1 is a kind of stream of the radar information display methods based on OpenGL provided in an embodiment of the present invention
Journey schematic diagram.
As shown in Figure 1, this method comprises:
S100: multiple video memory spaces are created in video memory based on OpenGL.
Video memory space is created based on OpenGL, wherein the particular number in video memory space can be according to concrete application field
Scape and demand are set.
S200: converting the initial radar information got, obtains target and shows information.
S300: show information update to target video memory space target by OpenGL, wherein multiple video memory spaces include
Target video memory space.
It is understood that the display information of the corresponding storage in different video memory spaces is not identical.Such as, it is obtained according to specific
Radar information correspond to frame information update will be shown to corresponding video memory space.
S400: information, which renders, to be shown to target by OpenGL, to show that information is shown to target.
After showing that information renders to the target in target video memory space, the display that information is shown to target is realized, especially
It is that target shows that the PPI of information is shown.
Second embodiment:
The present embodiment is based on first embodiment, in the present embodiment, has carried out detailed elaboration to S100.S100 tool
Body includes:
Call the drafting interface in OpenGL；
Multiple video memory spaces are created according to drafting interface and preset totalframes.
OpenGL is initialized, especially initialization OpenGL expanding library.Call GL_TRIANGLE_ in OpenGL
STRIP draws interface, and the quantity for drawing video memory space is determined according to totalframes.
It is understood that totalframes refers to that radar scanning reports the totalframes of radar information for one week, each frame is corresponding
Orientation is not identical.
Preferably, the quantity in video memory space is greater than the quantity in the corresponding total orientation of totalframes.To ensure not lose related thunder
Up to data information.
The number of scanning element in each orientation is n, and the attribute of each scanning element is m, as needed to store in the present embodiment
The total m=7 attribute of the coordinate information and colouring information of each scanning element.Referring specifically to Fig. 2.
Wherein, the institutional framework of the minimum unit in the video memory space of drafting is V-belt, referring specifically to Fig. 3.Each three
The band contained quantity put in angle is 2n-1, referring specifically to Fig. 4.
3rd embodiment:
The present embodiment is based on first or second embodiments, and in the present embodiment, initial radar information includes: former frame
Data information and current frame data information, wherein previous frame of data information is adjacent with current frame data information；
The initial radar information got is converted, target is obtained and shows information, specifically include:
Previous frame of data information and current frame data information are converted respectively, target is obtained and shows information.
Previous frame of data information and current frame data information are initial data, and are stored in local memory.
In the present embodiment, a newest frame of data information and previous frame of data information are saved always, by respectively to preceding
One frame of data information and current frame data information are converted, so that obtaining target shows information.
It is understood that above-mentioned two frame of data information is newest frame of data information and time new frame of data information.According to this
Two frame of data information form V-belt as shown in Figure 3 (i.e. video memory space), format to each point, to obtain mesh
Mark display information.
Fourth embodiment:
The present embodiment is based on 3rd embodiment, in the present embodiment, specific conversion process has been carried out detailed
It introduces.
Conversion is carried out to current frame data information to specifically include:
By in current frame data information azimuth information and range information convert, obtain coordinate information；
Strength information in current frame data information is converted, colouring information is obtained.
In the present embodiment, specifically by the conversion of azimuth information and range information to rectangular projection coordinate, by strength information
It is mapped to colouring information.
It is understood that the scan position in each period not necessarily fixed value may due in practical applications
There can be deviation, in order not to omit effective radar data information, specially can create some video memory spaces more.
If 16 video memory spaces need to be created according to totalframes.And in practical applications, 20 video memory spaces are created altogether,
It is specific as shown in Figure 5.
After 16 video memory spaces, which are shown information, to be filled up, the filling display information into 17-20 video memory space will continue to,
Also two frame data of front and back that several video memory spaces save the same orientation are had with regard to meaning, new data covers when actual displayed
Covering old data, that is to say, that local video memory space circle is greater than actual scanning and encloses, after when video memory space, circle is filled up, new number
According to toward first 1 refresh data of video memory space, remaining the update of data, and do not lose valid data again.
5th embodiment:
The present embodiment is based on any embodiment in first to fourth embodiment.In the present embodiment, S400 is specific
Include:
It is modified by preset initial value of the OpenGL to the channel alpha in target video memory space, to realize to mesh
Blanking effect when the rendering of mark display information.
That is, showing that information renders to the target in video memory space while radar information is converted and is updated.
Specifically, before each rendering, target (is currently shown more by information according to the newest current video memory space of record
Newly target video memory space extremely) position, the channel alpha in current video memory space is revised as completely opaque, history is shown
Gradually weaken until being fully transparent in the channel alpha for depositing space.
Preferably, it can determine that effective video memory space and current newest video memory are empty in such a way that flag bit is set
Between.
After EP (end of program), then the video memory space of creation is discharged.
Sixth embodiment:
The present embodiment is based on any embodiment in the first to the 5th embodiment.In the present embodiment, it presets
Display pattern, wherein display pattern includes: normal mode, hollow mode and delay mode.It can be according to different display patterns pair
Target shows that information is shown.
It is understood that the parameters such as range can also be arranged according to demand, when program just starts, protected in configuration file
There are default parameters (i.e. the parameters such as range).Being calculated in video memory space according to these parameters needs display information to be used, subsequent
These display information can be called directly when drafting.If needing to adjust display pattern or adjustment relevant parameter in drawing process, by
History parameters are only adapted in the display information of Historic preservation, it is larger convert more complicated and expense to history display information,
History display information is directly removed in this method and removes the display information in display picture, is recalculated according to new parameter aobvious
The display information in space is deposited, new a wheel display information update and display are opened.
To make the more thorough technical solution for understanding the embodiment of the present invention, first combine the prior art to inventive embodiments
Technical solution is explained in detail.
It is understood that radar terminal equipment is primarily used to show radar information (radar return data etc.)
Show.It in the prior art, is that the drafting of radar information is realized using hardware system by the way of soft or hard combination.
And what the embodiment of the present invention was realized based on OpenGL.OpenGL is a kind of development library, which is one kind across volume
Cheng Yuyan, cross-platform graphic package interface, are divided into java standard library and expanding library, can the graphic plotting interface to bottom adjust
With.
In embodiments of the present invention, OpenGL expanding library is mainly called, creates video memory in video memory using its software interface
Space, and implement to render, directly drawn using the data kept in video memory when real-time rendering, and show
Information update is also directly carried out in video memory, reduces CPU overhead, is increased the use of GPU, especially data and is passed from memory video memory
The time overhead passed.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of computer-readable storage mediums
Matter is stored thereon with computer program, which realizes method described in any embodiment as above when being executed by processor.
Other side according to an embodiment of the present invention, the embodiment of the invention provides a kind of, and the radar based on OpenGL is believed
Cease display system.
Referring to Fig. 6, Fig. 6 is a kind of knot of the radar information display system based on OpenGL provided in an embodiment of the present invention
Structure schematic diagram.
As shown in fig. 6, the system comprises: creation module, conversion module, update module, rendering module, wherein
Creation module is used for: creating multiple video memory spaces in video memory based on OpenGL；
Conversion module is used for: being converted to the initial radar information got, is obtained target and show information；
Update module is used for: showing information update to target video memory space target by OpenGL, wherein multiple video memorys
Space includes target video memory space；
Rendering module is used for: being shown that information renders to target by OpenGL, is shown information to target to realize
Display.
In a kind of technical solution in the cards, creation module is specifically used for:
Call the drafting interface in OpenGL；
Multiple video memory spaces are created according to drafting interface and preset totalframes.
In a kind of technical solution in the cards, when initial radar information includes: previous frame of data information and present frame
When data information, wherein previous frame of data information is adjacent with current frame data information, then conversion module is specifically used for:
Previous frame of data information and current frame data information are converted respectively, target is obtained and shows information.
In a kind of technical solution in the cards, rendering module is specifically used for:
It is modified by preset initial value of the OpenGL to the channel alpha in target video memory space, to realize to mesh
Blanking effect when the rendering of mark display information.
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. means specific features described in conjunction with this embodiment or example, structure
Or feature is included at least one embodiment or example of the invention.In the present specification, to the schematic of above-mentioned term
Statement need not be directed to identical embodiment or example.Moreover, specific features, structure or the feature of description can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
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.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only memory (ROM, Read-Only Memory), random
Access various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
It should also be understood that magnitude of the sequence numbers of the above procedures are not meant to execute sequence in various embodiments of the present invention
It is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Journey constitutes any restriction.
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 information display methods based on OpenGL, which is characterized in that the described method includes:
Multiple video memory spaces are created in video memory based on OpenGL；
The initial radar information got is converted, target is obtained and shows information；
Show information update to target video memory space the target by the OpenGL, wherein multiple video memory spaces
Including target video memory space；
Information, which renders, to be shown to the target by the OpenGL, to show that information is shown to the target.
2. a kind of radar information display methods based on OpenGL according to claim 1, which is characterized in that described to be based on
OpenGL creates multiple video memory spaces in video memory, specifically includes:
Call the drafting interface in the OpenGL；
Multiple video memory spaces are created according to the drafting interface and preset totalframes.
3. a kind of radar information display methods based on OpenGL according to claim 1, which is characterized in that described initial
Radar information includes: previous frame of data information and current frame data information, wherein the previous frame of data information and described current
Frame of data information is adjacent；
The described pair of initial radar information got is converted, and is obtained target and is shown information, specifically includes:
The previous frame of data information and the current frame data information are converted respectively, obtain the target display letter
Breath.
4. a kind of radar information display methods based on OpenGL according to claim 3, which is characterized in that work as to described
Preceding frame of data information carries out conversion and specifically includes:
By in the current frame data information azimuth information and range information convert, obtain coordinate information；
Strength information in the current frame data information is converted, colouring information is obtained.
5. a kind of radar information display methods based on OpenGL, feature described in any one of -4 exist according to claim 1
In, it is described that information, which renders, to be shown to the target by the OpenGL, it specifically includes:
It is modified by preset initial value of the OpenGL to the channel alpha in target video memory space, to realize
The blanking effect when rendering of information is shown to the target.
6. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
Method according to any one of claims 1 to 5 is realized when row.
7. a kind of radar information display system based on OpenGL, which is characterized in that the system comprises: creation module, conversion
Module, update module, rendering module, wherein
The creation module is used for: creating multiple video memory spaces in video memory based on OpenGL；
The conversion module is used for: being converted to the initial radar information got, is obtained target and show information；
The update module is used for: showing information update to target video memory space the target by the OpenGL, wherein
Multiple video memory spaces include target video memory space；
The rendering module is used for: showing that information renders to the target by the OpenGL, to realize to described
Target shows the display of information.
8. a kind of radar information display system based on OpenGL according to claim 7, which is characterized in that the creation
Module is specifically used for:
Call the drafting interface in the OpenGL；
Multiple video memory spaces are created according to the drafting interface and preset totalframes.
9. a kind of radar information display system based on OpenGL according to claim 7, which is characterized in that when described first
When beginning radar information includes: previous frame of data information and current frame data information, wherein the previous frame of data information with it is described
Current frame data information is adjacent, then the conversion module is specifically used for:
The previous frame of data information and the current frame data information are converted respectively, obtain the target display letter
Breath.
10. a kind of radar information display system based on OpenGL, feature according to any one of claim 7-9 exist
In the rendering module is specifically used for:
It is modified by preset initial value of the OpenGL to the channel alpha in target video memory space, to realize
The blanking effect when rendering of information is shown to the target.
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