CN103530083B - A kind of super display platform of magnanimity information based on cloud computing - Google Patents
A kind of super display platform of magnanimity information based on cloud computing Download PDFInfo
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Abstract
The present invention relates to the intelligent super display platform of magnanimity information based on cloud computing, including information display splicing screen, computer cluster Distributed Parallel Computing display system, computer network and cloud computing information source interface；Computer cluster Distributed Parallel Computing display system includes host node, child node computer；In host node, child node computer, intelligent scheduling module carries out orderly reading and intelligent scheduling to high in the clouds information content, renders display module display output high in the clouds information by information and information source is carried out intelligent distribution, tiling, stacking, movement and scaling；Management control module receives user instruction, loading management information source and transmitting control commands and completes each child node computer and carry out the control of display information；The present invention uses cluster parallel super-resolution Display Technique, information source segmentation is generated texture object and remerges into whole texture and be tied to display window, and combines high speed processing information by CPU with GPU and show that rendering module shows.
Description
Technical field
The present invention relates to magnanimity information visualization, ultrahigh resolution Display Technique, particularly relate to a kind of magnanimity based on cloud computing
The super display platform of information.
Background technology
Cloud computing (Cloud Computing) is a kind of supercomputing pattern based on computer network.Saying in the narrow sense, it is point
Cloth process, parallel processing and the comprehensive development of grid computing technology, be a kind of novel computation model, be a kind of novel being total to
The method enjoying architecture.In a broad sense, it is a kind of calculation based on the Internet, and in this way, that shares is soft
Hardware resource and information on-demand can be supplied to the service that computer is internal and external with other equipment.
Developing rapidly and extensively applying along with cloud computing technology, the information data amount that cloud computing infrastructure provides presents outburst
The growth of formula.All kinds of novel information emerge in an endless stream, especially in big data increasingly by the case of of concern, and people couple
The display time of data and quality are proposed higher requirement, traditional display technologies and independent device for display of message at magnanimity number
Bigger limitation is all shown, it is difficult at processing speed, response time, show according to aspects such as processing display and large scale deployment
Show that the aspect such as effect and resolution meets demand.
Current information display system widely used concentration information processing work station, by the data of required display and program all at one
Focus on core processor.This display mode is inevitably present following bottleneck:
(1) bottleneck one: display resolution is limited；
Along with the construction of high resolution observations satellite system, cloud computing infrastructure will provide substantial amounts of satellite magnanimity information, image
Information data will reach more than 1,000,000,000 pixels, but be limited by display unit size and computer process ability, in the market
Information display system is only able to display out the local message of huge image data, it is impossible to support that the super-resolution of massive image data shows.
(2) bottleneck two: information display processing speed is slow；
Being restricted by CPU disposal ability, memory size etc., current computer system is difficult to support the quick of mass data information
Process, show, even if the data message only reading 10GB all will expend the time of several tens minutes, and smart city, intelligence friendship
Logical emergency commands etc. are at a relatively high to the requirement of information display response time, thus the magnanimity information display that must provide for high speed real-time is
System.
(3) bottleneck three: display platform is difficult to extend；
Owing to using centralized control that display unit is controlled, the decoding of whole large-size screen monitors display image, render work and all collect
In complete in image stitcher, display platform extension by the equipment disposal ability such as image stitcher, processed image matrix
Limit, it is difficult to extension.
(4) bottleneck four: display information is difficult to dispatch；
Display information source scheduling relies on processed image matrix and realizes, when system scale increases, it has at configuration multiple stage image
Reason matrix, the information source scheduling between matrix is difficult to, and affects user and the most arbitrarily dispatches display information.
Along with the surge of cloud computing information data amount, the processing speed of magnanimity information, display capabilities etc. are had higher requirement.
Need on display rendering technique, break through the limitation concentrating graphics system, utilize clustered computing system to realize high performance figure also
Row is drawn, for high-end applications such as the scene drawing of all kinds of mass datas, the emulation of large-scale virtual reality, ultrahigh resolution visualizations
Graphic plotting ability needed for offer.
Summary of the invention
For overcoming the defect existing for prior art, the present invention provides a kind of intelligent super display of magnanimity information based on cloud computing to put down
Platform, uses cluster parallel super-resolution Display Technique, information source segmentation generation texture object is remerged into whole texture and is tied to
Display window, and by CPU with GPU combine high speed processing information display rendering module show, solve magnanimity information
Super-resolution simultaneous display and the technical problem of intelligent scheduling.
In one embodiment of the present of invention, the most by the following technical solutions: a kind of super display of magnanimity information based on cloud computing
Platform, including the information display splicing screen being sequentially connected with, computer cluster Distributed Parallel Computing display system, computer network
And cloud computing information source interface；Described computer cluster Distributed Parallel Computing display system includes host node computer and some
Child node computer, computer cluster Distributed Parallel Computing display system is unified to manage control concentratedly by host node computer
And the interactive interface with user is provided, host node computer is by described computer network and child node compunication, described son
Node computer is connected with described information display splicing screen, and the information source after child node computer disposal is spelled by information display
Connect screen to show；
Described host node computer and child node computer all include: information receiving module, management control module, intelligent scheduling mould
Block and information render display module；Described intelligent scheduling module carries out orderly reading and intelligent scheduling to high in the clouds information content, logical
Each child node computer crossed in described computer network transmission extremely described computer cluster Distributed Parallel Computing display system enters
Row process and by described information render display module carry out display export and information source is carried out intelligent distribution, tiling, stacking,
Move and scaling, and realize the synchronization of each nodal operation；Described management control module is used for receiving user instruction, loading management letter
Breath source and transmitting control commands complete each child node computer and carry out the control of display information；By described information receiving module and
Cloud computing information source interface reads and is stored in the information source in high in the clouds, and it is carried out parallel and Distributed Calculation to obtain information source
Pixel Information, then remerges into whole texture the information source segmentation generation texture object obtained and is tied to display window and passes through
Information display rendering module shows.
Preferably, described intelligent scheduling module also includes using configuration file that display properties carries out configuration in advance, and to whole
Display layout automatically and manually adjusts；Described intelligent scheduling module carry out on described information display splicing screen fenestration procedure,
Pre-set multiple display window, and described display window is tiled and auto arrangement automatically.Described display properties includes letter
Breath Source Type, display window positions and display window size.
The mode of described tiling includes: tiles the part display window chosen, tiles all display windows, press
The tiling display of described information display splicing screen full screen, tiles in units of display unit by any row and column, or at described letter
The single file tiling of breath display splicing screen top.
Described child node computer is connected with described information display splicing screen, and the information source after child node computer disposal is passed through
The process that information display splicing screen carries out showing is: each child node computer by receive host node computer control instruction, for
Display window is set up in the information source that can normally show, is read out source information generating texture object, and binds it to show
Show window and rendered by display rendering module.
Described user instruction includes that the selection to described display window, group are selected, moved, scale, increase and delete, and it is right also to include
Suspending and the control instruction play of different aforementioned sources, and PDF is carried out page turning, redirects and automatically play.
Owing to using such scheme, the invention have the advantages that and beneficial effect:
1, by the basis of cloud computing infrastructure, use cluster distributed parallel processing to calculate, magnanimity information is carried out intelligence
Scheduling can process with control, optimize the information transmission of network, solve that conventional process mode efficiency is low, reaction is slow, display point
Resolution is the highest, cannot process the problem of mass data quantity of information, and whole platform can realize the synchronization of more than 16G large nuber of images information
Display, reaches the superelevation display resolution of more than 1,000,000,000 pixels.
2, by intelligent management control, the quantity of information source and type can arbitrarily load, also support multiwindow arbitrarily roaming,
The increase display window of movement, superposition, switching, stacking, stepless zooming, and Intelligent Dynamic, minimizing display window, window
The simultaneous display such as auto arrangement, automatic tiling, the display breaching conventional display system processes bottleneck.
3, utilize cloud computing and Cluster System Technique, when magnanimity information source is carried out distributed variable-frequencypump, utilize huge image data to believe
The tree management framework of breath, out-of-core technology are called in internal memory the information being currently needed for display and are carried out, and utilize lru algorithm internal
Deposit and be scheduling, needs show when, just Pixel Information is called in display, and utilize LOD to realize the fine display of image,
Processed by the high speed information display of CPU+GPU, it is achieved quickly processing and efficiently display described huge image data information, and
And make full use of described super display platform high-resolution to show the details of described huge image data information.
Accompanying drawing explanation
Fig. 1 is present system structural representation；
Fig. 2 is the basic class figure that the present invention realizes that display controls.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and beneficial effect more specific and clear, below in conjunction with the accompanying drawings to the present invention's
Embodiment is described in detail, but embodiments of the invention are not limited to this.
Embodiment
As it is shown in figure 1, the present invention intelligent super display platform of magnanimity information based on cloud computing, including the high-resolution being sequentially connected with
Information display splicing large-size screen monitors 309, computer cluster Distributed Parallel Computing display system 307, super display computer network 302
And cloud computing information source interface 301.Wherein, high resoluting information display splicing large-size screen monitors 309 include the display unit of some high definitions
308, the most whole platform resolution can reach more than hundred million pixels.
Described computer cluster Distributed Parallel Computing display system 307 uses Distributed Parallel Computing group system, can be to magnanimity
Data carry out high speed processing and display, can support the display in GB information above source, including host node computer and some child nodes
Computer.Wherein, computer cluster Distributed Parallel Computing display system is unified to manage control concentratedly by host node computer
And the interactive interface with user is provided.Described super display computer network 302 is responsible for the transmission of all information sources, host node meter
Calculation machine and the communication of child node intercomputer.Described cloud computing information source interface 301 provides cloud computing infrastructure information and surpasses
Information between level display platform display cluster connects interface, and high in the clouds information enters this by this interface and described information receiving module
Invention display platform.
Described host node computer and child node computer are equipped with information receiving module 303, management control module 304, intelligence tune
Degree module 305 and magnanimity information render display module 306.High in the clouds information content is carried out in order by described intelligent scheduling module 305
Reading and intelligent scheduling, by the transmission of described super display computer network 302 to described computer cluster distributed parallel meter
Each child node computer calculated in display system carries out processing and rendering display module 306 by described magnanimity information showing
Export and provide and information source is carried out intelligent distribution, tiling, stacking, movement and zoom function, and realize the same of each nodal operation
Step.By management control module 304, described host node computer complete the magnanimity of each child node computer described is shown into
Line pipe reason controls, it is achieved user instruction response, information source load the display management such as release management, display window management and control function,
Described magnanimity information renders display module realization magnanimity information on high resoluting information display splicing large-size screen monitors and shows.
Each node in described computer cluster Distributed Parallel Computing display system 307 by described information receiving module 303 and
Cloud computing information source interface 301 reads and is stored in the information source in high in the clouds, and it is carried out parallel and Distributed Calculation carrys out quick obtaining
The Pixel Information of information source, then generates texture object the information source obtained and remerges into whole texture and be tied to display window and enter
Row display.Preferably, each display window and an information source texture binding, so it is assured that it according to display window
Corresponding information source.
For the most a bit, the intelligent scheduling module 305 in described host node computer carries out orderly reading to high in the clouds information content
Taking and intelligent scheduling, high in the clouds information enters computer cluster Distributed Parallel Computing by described cloud computing information source interface 301 and shows
Showing system 307, in computer cluster Distributed Parallel Computing display system 307, each child node computer is carried out a application
The copy of program, processs and displays output, and described management control module 304 receives user instruction, loads management information source
And transmitting control commands completes each child node computer and carries out the control of display information, make each child node computer according to user
Instruction display information.Intelligent scheduling module also includes using configuration file to information source type, display window positions and display window
The display properties such as size carry out configuration in advance and to other as the IP address of video flowing, port numbers, the color of display word,
The setting of the specific properties such as background colour, transparency, and whole display layout automatically and manually can be adjusted, the most described aobvious
Show that platform is in operation or out of service, all can again recover display layout.Intelligent scheduling is additionally included in described high-resolution
Any fenestration procedure can be carried out, it is possible to pre-set multiple display window on information display splicing large-size screen monitors.To described display window
Can automatically tile and auto arrangement, tile mode is various.The mode multiformity wherein tiled, can be to the part chosen
Display window tiles, it is possible to tile all display windows, it is also possible to by described high resoluting information display splicing large-size screen monitors
Full screen tiling display, or tile in units of display unit by any row and column, and spell in the display of described high resoluting information
Connect the single file tiling of large-size screen monitors top.
Described child node computer is connected with described high resoluting information display splicing large-size screen monitors 309, and institute is passed through in the information source after process
State high resoluting information display splicing large-size screen monitors 309 to show.After system runs related application, each child node computer leads to
Cross the control instruction receiving host node computer, set up display window for the information source that can normally show, source information is carried out
Read and generate texture object, and bind it to display window and rendered, then by display window by display rendering module
Joining in the scene tree of described super display system, wherein display window and information source are relations one to one.When system is read
When taking certain information source failure, cancel directly skipping for it sets up display window and ignore this information source, read next information source letter
Cease and export corresponding information.
Magnanimity is shown by described management control module by each child node computer in described computer cluster by host node computer
It is managed controlling, it is achieved user instruction response, information source load the display management such as release management, display window management and control merit
Energy；Described magnanimity information renders display module realization magnanimity information on high resoluting information display splicing large-size screen monitors and shows.Namely
Say, the control that the synchronization process of magnanimity video data and display are exported by management control module by each node in computer cluster,
The main host node computer that passes through sends control information and user instruction to each child node computer of described computer cluster, and right
The process of display information is all carried out on each child node computer, this greatly reduces the transmission of data on described express network,
And then reduce network delay, improve the response speed of system.Wherein, user instruction include the selection to described display window,
Group is selected, is moved, scales, increases and delete, and also includes the control instruction to different aforementioned sources, such as: the time-out of source of video information
With play and PDF carried out page turning, redirect and broadcasting automatically etc..Described movement and scaling include single or multiple display window
Mouth cross-node computer, arbitrarily moving and scaling across display unit screen, the distance of movement and the scope of scaling be not by physics limit
The restriction on boundary.Wherein, the control of information source is additionally included in the case of not changing currently displaying window association attributes, utilizes GUI
Dynamically the information source of current window is switched to other required information sources, it is not necessary to remodify and load whole scene, described
The type in other information needed sources is unrestricted, so, considerably increases ease for use and the stability of system.
Described magnanimity information renders display module, and magnanimity information carries out extensive, efficient, quick and ultrahigh resolution synchronization
Display." magnanimity " refers to the multiformity of the information source type of displayed information；Also refer to show on described super display platform simultaneously
Information is the hugest, can show image informations more than hundred million pixels and described intelligent scheduling and control.Shown letter
The information source type of breath includes picture types such as () BMP, DDS, GIF, JPEG, PNG, TAG, RGB of various form,
The video file (type such as AVI, MP4, MPG, MOV, MKV, WMV, FLV) of various forms, various coding lattice
The video stream file of formula, and various form 3D model (DAE, 3DS, ASE, OBJ, XGL, DXF, LWO,
LXO、LWS、STL、XAC、MS3D、SCN、XML、IRMESH、MDL、IRR、MD2、PK3、MD3、
The types such as SMD, M3,3D, Q3D, OFF, TER), also include the Multiple Information Sources classes such as PDF, vectorial characters, GIS
Type.
The computer cluster Distributed Parallel Computing display system 307 of the present invention carries out distributed treatment to the high in the clouds information obtained,
Owing to the data volume of magnanimity information is big, if the information of magnanimity is called in internal memory simultaneously, will be acid test to whole system,
So the information of magnanimity is deposited in external memory storage by display system, and utilize out-of-core technology only the letter being currently needed for display
Breath calls in internal memory, if the information being currently needed for showing is in internal memory, then without reloading.Utilize lru algorithm to internal memory
Be scheduling, when needs show when, just Pixel Information called in internal memory show, it is not necessary to the content of display then by it from internal memory
Middle unloading is to alleviate memory pressure.Finally, utilize LOD to realize the fine display of image, so realize magnanimity information fast
Speed processes and efficiently display.Utilize system software seeks friendship function, it is possible to obtain the display window message that current mouse is chosen
Breath.And then realize choosing the arbitrary cross-node of window, across the movement of display unit and scaling.Can also realize arbitrarily display
The deletion action of window (including that single choice display window, group select display window and all display windows), carries out this deletion action
Release the binding of information source simultaneously and delete this information source.The most also can increase a display window at any time and add information needed source
Show.
As in figure 2 it is shown, the super display platform of the present invention uses class wrapper method to realize described various functions.Described class includes
ShowWindow class, SourceInterface class and various information source class.ShowWindow class is the father of all display window classes
Class, it is achieved various types of information sources display in display window.The class establishment step of the newly-built display window of display system is as follows:
1, newly-built ShowWindow class, defines window coordinates, size；
2, to the SourceInterface pointer assignment of ShowWindow class, it is achieved with associating of information source；
3, spatial cue source texture, it is achieved information source display in specified window.
SourceInterface is the parent of all information source classes, by inheriting, can for different information source generate Image,
Movie, Stream, PDF, Text etc. show information source.Described ShowWindow class is with described SourceInterface class
Pointer, display window positions coordinate, the information such as display window size, the functions such as can realize window moves, window scaling also connect
Receive user instruction；Described SourceInterface class is with information such as information source type and information source textures, and it is an abstract class,
Between ShowWindow class is with information source class, being both bridges of linking up, it makes ShowWindow class ignore each information
Implementing of source class, provides support platform for platform to the support in magnanimity information source, makes the two create relative independence,
When increasing new information source class, it is not necessary to change ShowWindow class, the motility of described platform, multiformity is made to be greatly enhanced.
All of information source class uses a strategy pattern to realize, and they are inherited from abstract parent a: SourceInterface jointly
Class, thus can add different information source type dynamically, and be not required to when adding new operation on each fresh information source
Revise and the interface of ShowWindow class and existing class, it is only necessary to inherit this common abstract father of SourceInterface
Class just can realize.And each display window comprises the pointer of an information source abstract parent SourceInterface class,
Each information source class is owned by information and the one's own phases such as respective information source pointer, the window's position coordinate, window size
Close function；ShowWindow class just can be realized and the contacting of corresponding information source class by SourceInterface pointer, enters one
Step realizes direct information source operation and controls.Choose instruction according to user and can obtain a display window, utilize display window
It is obtained with the pointer of the information source of this display window, according to the pointer of information source it may determine that the type of this information source；As
This, it is possible to the individual operation carrying out information source for different information source type controls.Such as: realize broadcasting of video file
Put, suspend, it is achieved the roaming of three-dimensional scenic, it is achieved the adjustment of the attribute such as text color, font etc. operate.
Preferably, just can determine that the type of information source according to the difference of described information source pointer, it is achieved this information source is removed scaling,
Other distinctive associative operations outside the general operations such as movement, intelligent distribution, such as: PDF page turning, redirect, the behaviour such as broadcasting automatically
Making, the broadcasting of video file, time-out operate with F.F. etc..
Preferably, by the detection to the button such as keyboard and mouse, the response of user instruction can be realized.As: by pressing F6
Key recalls the control interface of source switching, can switch over information needed source according to the prompting on interface and operating instruction, switching letter
Type and the number of times in breath source are the most unrestricted.It addition, also by press F7 key recall the various information sources being pre-configured with and
The control interface of association attributes, clicks on after having configured and preserves, and loads this configuration file and can show control and behaviour accordingly
Make, simple to operate, convenient management.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention being not restricted to the described embodiments,
The change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify, all should
For equivalence substitute mode, within being included in protection scope of the present invention.
Claims (6)
1. the super display platform of magnanimity information based on cloud computing, it is characterised in that include that the information display being sequentially connected with is spelled
Connect screen, computer cluster Distributed Parallel Computing display system, computer network and cloud computing information source interface；Described calculating
Machine cluster distributed parallel computation display system includes host node computer and some child node computers, and host node computer is to meter
Calculation machine cluster distributed parallel computation display system carries out unifying manage control concentratedly and provide the interactive interface with user, host node
Computer is by described computer network and child node compunication, described child node computer and described information display splicing screen
Being connected, the information source after child node computer disposal is shown by information display splicing screen；
Described host node computer and child node computer all include: information receiving module, management control module, intelligent scheduling mould
Block and information render display module；Described intelligent scheduling module carries out orderly reading and intelligent scheduling to high in the clouds information content, logical
Each child node computer crossed in described computer network transmission extremely described computer cluster Distributed Parallel Computing display system enters
Row process and by described information render display module carry out display export and information source is carried out intelligent distribution, tiling, stacking,
Move and scaling, and realize the synchronization of each nodal operation；Described management control module is used for receiving user instruction, loading management letter
Breath source and transmitting control commands complete each child node computer and carry out the control of display information；By described information receiving module and
Cloud computing information source interface reads and is stored in the information source in high in the clouds, and it is carried out parallel and Distributed Calculation to obtain information source
Pixel Information, then remerges into whole texture the information source segmentation generation texture object obtained and is tied to display window and passes through
Information display rendering module shows；
Described intelligent scheduling module also includes using configuration file that display properties carries out configuration in advance, and to whole display layout
Automatically and manually adjust；Described intelligent scheduling module carries out fenestration procedure on described information display splicing screen, pre-sets
Multiple display windows, and described display window is tiled and auto arrangement automatically.
The super display platform of magnanimity information based on cloud computing the most according to claim 1, it is characterised in that each display
Window is all bound with an information source texture.
The super display platform of magnanimity information based on cloud computing the most according to claim 1, it is characterised in that described display
Attribute includes information source type, display window positions and display window size.
The super display platform of magnanimity information based on cloud computing the most according to claim 1, it is characterised in that described tiling
Mode include: the part display window chosen is tiled, all display windows is tiled, show by described information
The tiling display of mosaic screen full screen, tiles in units of display unit by any row and column, or at described information display splicing screen
Top single file tiling.
The super display platform of magnanimity information based on cloud computing the most according to claim 1, it is characterised in that described sub-joint
Point computer is connected with described information display splicing screen, and information display splicing is passed through in the information source after child node computer disposal
The process that screen carries out showing is: each child node computer is by receiving the control instruction of host node computer, for can normally show
Display window is set up in information source, is read out source information generating texture object, and binds it to display window and pass through
Display rendering module renders.
The super display platform of magnanimity information based on cloud computing the most according to claim 1, it is characterised in that described user
Instruction includes that the selection to described display window, group are selected, moved, scale, increase and delete, and also includes different aforementioned sources
The control instruction suspended and play, and PDF is carried out page turning, redirects and automatically play.
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