CN104240282A - View generating system - Google Patents
View generating system Download PDFInfo
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- CN104240282A CN104240282A CN201410460599.7A CN201410460599A CN104240282A CN 104240282 A CN104240282 A CN 104240282A CN 201410460599 A CN201410460599 A CN 201410460599A CN 104240282 A CN104240282 A CN 104240282A
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Abstract
The invention discloses a view generating system which comprises an aircraft model base module, a flying scene base module, a man-machine interaction interface module and a synchronous management module. The man-machine interaction interface module receives user interaction control information and sends the user interaction control information, flying scene data and aircraft model data into slave node rendering modules of multiple channels to conduct image generating and rendering drawing, the flying scene data can be divided into a plurality of regions which are mutually connected and are identical with the slave node rendering modules in number, then data of the regions are sent to the slave node rendering modules of the channels, and a main management node module is used for managing and controlling the slave node rendering modules. The synchronous management module is used for enabling the slave node rendering modules of the channels to conduct synchronous rendering on the same flying scene. Each region of the flying scene is rendered and drawn by the slave mode rendering modules and then is sent to an image management module, and images of the regions are processed in real time. The view generating system has the advantages of being high in performance and high in stability.
Description
Technical field
The present invention relates to virtual scene driving system regions, particularly relate to a kind of virtual scene driving system be applied on Aircraft Simulator.
Background technology
IG, English full name: Image Generator, Chinese full name: virtual scene driving device.Simulate the image procossing of the scenery environment in practical flight task for pilot, the image of virtual scene driving device process provides the useful information of more than 70% for driver, and virtual scene driving device should have stable performance and the feature such as sharpness is high, fidelity is strong.
Very high to the requirement of visual system and scenery picture quality during pilot's simulated training, not only require that its picture is true to nature, field of view angle large, time delay is no more than 150ms, and requirement can produce the scene outside passenger cabin, comprise airfield runway, light, buildings, field, river, road, topography and geomorphology etc.On this, also should be able to simulate if meteorological condition is as visibility, mist, rain, snow etc., and daytime, dusk, the scenery at night and moving target.In a word, visual system faces the sensation in its border should to pilot's sound.The display of these images is all very high to the requirement of virtual scene driving device, and the serviceability of visual system depends on virtual scene driving system.The software of virtual scene driving in existing virtual scene driving system, all by external import, brings a lot of problem: (1) is expensive like this, is all be unit of account with made in U.S.A substantially.(2) poor expandability, cannot customize according to domestic real needs memory.(3) confidentiality is poor, cannot meet the requirement of the domestic military for system security.And external virtual scene driving system, later stage user is also higher to the maintenance cost of virtual scene driving system.How according to pilot training's requirement, build the virtual scene driving system of unified management virtual scene driving hardware system, realize real time multi-channel image real time settlement and simultaneous display, meet the application demand of pilot's simulation training, for pilot provides the training environment of view appearance true to nature and immersion to be the problem that the present invention needs to solve.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of virtual scene driving system, this virtual scene driving system adopts hyperchannel rendering module, flying scene is huge, and flight simulation display field angle scope is wide, and the image synchronization that each passage rendering module renders is strong, stability is high, continuity and time delay require high, so this system has the advantage of high-performance and high stability.
Technical scheme of the present invention is:
A kind of virtual scene driving system, comprising:
Dummy vehicle library module, is stored with multiple dummy vehicle data;
Flying scene library module, the multiple flying scene data needed when it stores dummy vehicle simulated flight;
Human-computer interaction interface module, main management node module and multiple passage from node rendering module, human-computer interaction interface module receives user interactive control information by this user interactions control information, what flying scene data and dummy vehicle data were sent to multiple passage carries out Computer image genration and color applying drawing from node rendering module, after human-computer interaction interface module obtains the flying scene parameter of user's setting, this flying scene Interval data is become to be connected to each other with from the equal multiple regions of node rendering module quantity, and the plurality of area data is sent to respectively multiple passage from node rendering module, Computer image genration and the color applying drawing of being responsible for a region from node rendering module of each passage, main management node module be used for multiple passage from node rendering module carry out management control,
Management by synchronization module, it carries out synchronous color applying drawing from node rendering module to same flying scene for what make multiple passage;
Image management module, each region of often kind of flying scene is all sent to image management module by after node rendering module color applying drawing, and the image in multiple regions of this flying scene processes and is sent to display system by complete the showing of this flying scene image by image management module in real time.
Preferably, described virtual scene driving system, described image management module comprises input administration module, geometry correction module, Fusion Edges module and outgoing management module, and geometry correction module and Fusion Edges module are used for processing in real time multiple area images of flying scene.
Preferably, described virtual scene driving system, also comprises aircraft mathematical model, and it, for describing the mathematical model of aircraft six degree of freedom behavior, comprises kinetic model, control rate and engine mockup.
Preferably, described virtual scene driving system, flying scene library module comprises FX Module, environment module and landform module; The particular surroundings that FX Module flies for the treatment of simulated flight device, comprise weather, visibility, light, round the clock, sunrise, sunset, time and seasonal variations, also comprise and wear cloud special efficacy, thunder and lightning, cumulonimbus; Environment module, for the treatment of the ecologic environment residing for the flight of simulated flight device, comprises air, water, plant, animal; Landform module, for the treatment of the place of aircraft flight, comprises airport, mountain range, road.
Preferably, described virtual scene driving system, flying scene image level field angle is 120 degree, and vertical field of view angle is 60 degree.
Preferably, described virtual scene driving system, the refresh rate of flying scene image is 60HZ, and time delay is not more than 30ms;
Preferably, described virtual scene driving system, is set to 16 from the number of node rendering module.
Preferably, described virtual scene driving system, user interactions control information comprises the speed, highly or longitude and latitude of aircraft.
Preferably, described virtual scene driving system, multiple passage from node rendering module be to realize the mark of entity, movement, amendment and manipulation based on OpenGL graph technology.
Virtual scene driving system of the present invention, according to the feature of pilot flight's simulation, meet domestic flight person and train demand, unit of account is all with international unit, can customize according to domestic real needs, the scenery picture of high-quality, high stability can be generated, for pilot provides view appearance true to nature and the training environment of immersion.This system adopts MS master-slave formula way to manage, by realizing from node rendering module of main management node module and multiple passage, adopt hyperchannel Rendering, both the picture size that Multichannel combination gets up and resolution sizes had been ensure that, in turn ensure that the synchronous consistance between image, the dirigibility of enhancing system, improves the quality of image and plays up performance.Image management module provides powerful automatic or manual geometry correction function, provides the Fusion Edges function of any direction, any amount, can adapt to very complicated display system situation.The image continuous refreshing 60Hz per minute that this system realizes, time delay, within 30ms, ensure that the stability of image, has ensured the effect of simulation.
Accompanying drawing explanation
Fig. 1 is virtual scene driving system schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1, be virtual scene driving system schematic of the present invention, virtual scene driving system, comprising:
Dummy vehicle library module, be stored with multiple dummy vehicle data, this can create according to the actual requirements, belongs to a module that can expand, and these dummy vehicle data are stored in a database in advance, call when needing; Also comprise aircraft mathematical model, it is for describing the mathematical model of aircraft six degree of freedom behavior, comprise kinetic model, control rate and engine mockup etc., during the flight of simulated flight device, its various actions done are all the foundation based on this aircraft mathematical model.
Flying scene library module, the multiple flying scene data needed when it stores dummy vehicle simulated flight, flying scene library module comprises FX Module, environment module and landform module; The particular surroundings that FX Module flies for the treatment of simulated flight device, comprise weather, visibility, light, round the clock, sunrise, sunset, time and seasonal variations, also comprise and wear cloud special efficacy, thunder and lightning, cumulonimbus; Environment module, for the treatment of the ecologic environment residing for the flight of simulated flight device, comprises air, water, plant, animal; Landform module, for the treatment of the place of aircraft flight, comprises airport, mountain range, road.
Human-computer interaction interface module, main management node module and multiple passage from node rendering module, human-computer interaction interface module receives user interactive control information by this user interactions control information, what flying scene data and dummy vehicle data were sent to multiple passage carries out Computer image genration and color applying drawing from node rendering module, user interactions controls man-machine interaction when comprising system initialization and the man-machine interaction in later stage operational process, after human-computer interaction interface module obtains the flying scene parameter of user's setting, this flying scene Interval data is become to be connected to each other with from the equal multiple regions of node rendering module quantity, and the plurality of area data is sent to respectively multiple passage from node rendering module, Computer image genration and the color applying drawing of being responsible for a region from node rendering module of each passage, multichannel from node rendering module be to realize the mark of entity, movement, amendment and manipulation based on OpenGL graph technology.
Main management node module be used for multiple passage from node rendering module carry out management control, carry out various optimum configurations, graph image generates management and control, as startup and the closedown of the computing machine from node rendering module place, the parameter configuration of virtual scene driving system, to control etc. all to be realized by main management node module from the startup of node rendering module and running;
Management by synchronization module, it carries out synchronous color applying drawing from node rendering module to same flying scene for what make multiple passage;
Image management module, image management module comprises input administration module, geometry correction module, Fusion Edges module and outgoing management module, and geometry correction module and Fusion Edges module are used for processing in real time multiple area images of flying scene.Each region of often kind of flying scene is all sent in the input administration module of image management module after node rendering module color applying drawing, then being processed in real time by the image in multiple regions of this flying scene through geometry correction module and Fusion Edges module and be sent to display system by complete the showing of this flying scene image, display system is as projector.
Described virtual scene driving system, flying scene image level field angle is 120 degree, and vertical field of view angle is 60 degree.
Described virtual scene driving system, the refresh rate of flying scene image is 60HZ, and time delay is not more than 30ms;
Described virtual scene driving system, is set to 16 from the number of node rendering module.
Described virtual scene driving system, user interactions control information comprises the speed, highly or longitude and latitude of aircraft.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a virtual scene driving system, is characterized in that, comprising:
Dummy vehicle library module, is stored with multiple dummy vehicle data;
Flying scene library module, the multiple flying scene data needed when it stores dummy vehicle simulated flight;
Human-computer interaction interface module, main management node module and multiple passage from node rendering module, human-computer interaction interface module receives user interactive control information by this user interactions control information, what flying scene data and dummy vehicle data were sent to multiple passage carries out Computer image genration and color applying drawing from node rendering module, after human-computer interaction interface module obtains the flying scene parameter of user's setting, this flying scene Interval data is become to be connected to each other with from the equal multiple regions of node rendering module quantity, and the plurality of area data is sent to respectively multiple passage from node rendering module, Computer image genration and the color applying drawing of being responsible for a region from node rendering module of each passage, main management node module be used for multiple passage from node rendering module carry out management control,
Management by synchronization module, it carries out synchronous color applying drawing from node rendering module to same flying scene for what make multiple passage;
Image management module, each region of often kind of flying scene is all sent to image management module by after node rendering module color applying drawing, and the image in multiple regions of this flying scene processes and is sent to display system by complete the showing of this flying scene image by image management module in real time.
2. virtual scene driving system as claimed in claim 1, it is characterized in that, image management module comprises input administration module, geometry correction module, Fusion Edges module and outgoing management module, and geometry correction module and Fusion Edges module are used for processing in real time multiple area images of flying scene.
3. virtual scene driving system as claimed in claim 1, it is characterized in that, also comprise aircraft mathematical model, it, for describing the mathematical model of aircraft six degree of freedom behavior, comprises kinetic model, control rate and engine mockup.
4. virtual scene driving system as claimed in claim 1, it is characterized in that, flying scene library module comprises FX Module, environment module and landform module; The particular surroundings that FX Module flies for the treatment of simulated flight device, comprise weather, visibility, light, round the clock, sunrise, sunset, time and seasonal variations, also comprise and wear cloud special efficacy, thunder and lightning, cumulonimbus; Environment module, for the treatment of the ecologic environment residing for the flight of simulated flight device, comprises air, water, plant, animal; Landform module, for the treatment of the place of aircraft flight, comprises airport, mountain range, road.
5. virtual scene driving system as claimed in claim 1, it is characterized in that, flying scene image level field angle is 120 degree, and vertical field of view angle is 60 degree.
6. virtual scene driving system as claimed in claim 1, it is characterized in that, the refresh rate of flying scene image is 60HZ, and time delay is not more than 30ms.
7. virtual scene driving system as claimed in claim 1, is characterized in that, be set to 16 from the number of node rendering module.
8. virtual scene driving system as claimed in claim 1, is characterized in that, user interactions control information comprises the speed, highly or longitude and latitude of aircraft.
9. virtual scene driving system as claimed in claim 1, multiple passage from node rendering module be to realize the mark of entity, movement, amendment and manipulation based on OpenGL graph technology.
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Application publication date: 20141224 |