CN103530083A - Cloud computing based super display platform for mass information - Google Patents
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Abstract
The invention relates to a cloud computing based super display platform for mass information. The super display platform comprises an information display splicing screen, a computer cluster distributed parallel computing display system, a computer network and a cloud computing information source interface. The computer cluster distributed parallel computing display system comprises primary node and child node computers. In the primary node and child node computers, intelligent scheduling modules perform ordered reading and intelligent scheduling on contents of cloud information, information rendering display modules display and output the cloud information and perform intelligent arrangement, laying, stacking, moving and scaling on information sources; management control modules receive user instructions, load and manage the information sources and send control instructions to complete display information control of the child node computers. According to the super display platform, a cluster parallel ultrahigh resolution display technology is used, the information sources are partitioned to generate texture objects, the texture objects are combined into a whole texture to be bound to display windows, and the technical problems of ultrahigh resolution synchronous display and intelligent scheduling of the mass information are solved through CPU and GPU combined high-speed processing and displaying through the information rendering display modules.
Description
Technical field
The present invention relates to that magnanimity information is visual, ultrahigh resolution display technique, particularly relate to the super display platform of a kind of magnanimity information based on cloud computing.
Background technology
Cloud computing (Cloud Computing) is a kind of supercomputing pattern based on computer network.Say narrowly, it is the comprehensive development of distributed treatment, parallel processing and grid computing technology, is a kind of novel computation model, is a kind of method of novel shared architecture.In a broad sense, it is a kind of account form based on internet, and in this way, shared software and hardware resources and information can offer computing machine and the internal and external service of other equipment as required.
Along with develop rapidly and the widespread use of cloud computing technology, the information data amount that cloud computing infrastructure provides presents the growth of explosion type.All kinds of novel information emerges in an endless stream, especially in the situation that large data more and more receive people's concern, people have higher requirement to the displaying time of data and quality, tradition display technique and independently device for display of message have all shown larger limitation at aspects such as mass data processing demonstration and large scale deployments, are difficult to satisfy the demands at aspects such as processing speed, response time, display effect and resolution.
Current information display system extensively adopts concentrated message processing workstation, and the data of required demonstration and program are all focused on a core processor.Inevitably there is following bottleneck in this display mode:
(1) bottleneck one: display resolution is limited;
Construction along with high resolution observations satellite system, cloud computing infrastructure will provide a large amount of satellite magnanimity informations, more than image information data will reach 1,000,000,000 pixels, but be subject to the restriction of display unit size and computer process ability, information display system in the market can only demonstrate the local message of magnanimity image, cannot support the super-resolution of magnanimity image data to show.
(2) bottleneck two: information Graphics Processing speed is slow;
Be subject to the restriction of CPU processing power, memory size etc., current computer system is difficult to support fast processing, the demonstration of mass data information, even if only read the data message of 10GB all by the time of expending tens of minutes, and wisdom city, intelligent transportation emergency command etc. show that to information the requirement of response time is quite high, thereby must provide high speed real-time magnanimity information display system.
(3) bottleneck three: display platform is difficult to expansion;
Owing to adopting centralized control, display unit is controlled, whole large-size screen monitors show that decoding, the work of playing up of image all concentrate in Image Mosaics device and completes, the expansion of display platform is subject to the restriction of the device processes abilities such as Image Mosaics device, processed image matrix, is difficult to expansion.
(4) bottleneck four: demonstration information is difficult to scheduling;
Show that information source scheduling relies on processed image matrix and realizes, when system scale increases, have to configure many processed image matrixs, the information source scheduling between matrix is difficult to realize, and affects user and dispatches arbitrarily demonstration information according to demand.
Along with the surge of cloud computing information data amount, the processing speed of magnanimity information, display capabilities etc. are had higher requirement.The limitation that breaks through concentrated graphics system on rendering technique need to shown, utilize clustered computing system to realize high performance figure parallel drawing, for the high-end applications such as the scene drawing of all kinds of mass datas, the emulation of large-scale virtual reality, ultrahigh resolution be visual provide required graphic plotting ability.
Summary of the invention
For overcoming the existing defect of prior art, the invention provides a kind of super display platform of intelligent magnanimity information based on cloud computing, adopt the parallel super-resolution display technique of cluster, information source is cut apart and generated texture object and remerge into whole texture and be tied to display window, and by CPU, combine high speed processing information with GPU and show that rendering module shows, has solved the technical matters of magnanimity information super-resolution simultaneous display and intelligent scheduling.
In one embodiment of the present of invention, specifically by the following technical solutions: the super display platform of a kind of magnanimity information based on cloud computing, comprises that the information display splicing screen, the computer cluster distributed parallel that connect successively calculate display system, computer network and cloud computing information source interface; Described computer cluster distributed parallel calculates display system and comprises host node computing machine and some child node computing machines, host node computing machine calculates display system to computer cluster distributed parallel and unifies centralized management and control and provide the interactive interface with user, host node computing machine is by described computer network and child node compunication, described child node computing machine is connected with described information display splicing screen, and the information source after child node computing machine is processed shows by information display splicing screen;
Described host node computing machine and child node computing machine include: information receiving module, management control module, intelligent scheduling module and information are played up display module; Described intelligent scheduling module is carried out orderly reading and intelligent scheduling to the high in the clouds information content, each child node computing machine transferring in described computer cluster distributed parallel calculating display system by described computer network is processed and is shown output and information source is carried out to intelligent distribution, tiling, stacked, mobile and convergent-divergent by described information rendering module, and realizes the synchronous of each nodal operation; Described management control module completes for receiving user instruction, load management information source and sending control command the control that each child node computing machine shows information; By described information receiving module and cloud computing information source interface, read the information source that is stored in high in the clouds, and it is walked abreast and Distributed Calculation is carried out the Pixel Information in obtaining information source, then the information source obtaining is cut apart and generated texture object and remerge into whole texture and be tied to display window and show that by information rendering module shows.
Preferably, described intelligent scheduling module also comprises uses configuration file to carry out configuration in advance to display properties, and whole display layout is carried out automatically and manually adjusting; Described intelligent scheduling module is carried out fenestration procedure, is set in advance a plurality of display windows on described information display splicing screen, and described display window is tiled and auto arrangement automatically.Described display properties comprises information source type, display window positions and display window size.
The mode of described tiling comprises: the partial display window of choosing is tiled, all display windows are tiled, by the tiling of described information display splicing screen full screen, show, by any row and column, take display unit as unit tiling, or in the top single file tiling of described information display splicing screen.
Described child node computing machine is connected with described information display splicing screen, the process that information source after child node computing machine is processed shows by information display splicing screen is: each child node computing machine is by receiving the steering order of host node computing machine, for the information source that can normally show is set up display window, information source information is read to generation texture object, and bind it to display window and play up by demonstration rendering module.
Described user instruction comprises selection, group choosing, movement, convergent-divergent, increase and the deletion to described display window, also comprises the steering order to the time-out of different aforementioned sources and broadcasting, and PDF is carried out page turning, redirect and automatically play.
Owing to adopting such scheme, tool of the present invention has the following advantages and beneficial effect:
1, by the basis of cloud computing infrastructure, adopt cluster distributed parallel processing to calculate, magnanimity information is carried out intelligent scheduling and controls processing, optimized the communication of network, solved the problem that conventional process mode efficiency is low, reaction is slow, display resolution is not high, cannot process mass data quantity of information, whole platform can be realized the simultaneous display of the above large nuber of images information of 16G, reaches superelevation display resolutions more than 1,000,000,000 pixels.
2, pass through intelligent management control, the quantity of information source and type can load arbitrarily, also support any roaming, movement, stack, switching, stacked, the stepless zooming of multiwindow, and the increase display window of Intelligent Dynamic, reduce display window, window auto arrangement, the simultaneous display such as tiling automatically, broken through the Graphics Processing bottleneck of conventional display system.
3, utilize cloud computing and Cluster System Technique, when distributed parallel processing is carried out in magnanimity information source, utilize the tree management framework of magnanimity image information, out-of-core technology is called in internal memory the current information that need to show and is carried out, utilize lru algorithm internally to deposit into row scheduling, when showing, needs just Pixel Information is called in to demonstration, and utilize LOD to realize the meticulous demonstration of image, by the high speed information Graphics Processing of CPU+GPU, realization is to the fast processing of described magnanimity image information and efficient demonstration, and make full use of the details that described super display platform high resolving power shows described magnanimity image information.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is that the present invention realizes the basic class figure that shows control.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect more concrete and clear, below in conjunction with accompanying drawing, embodiments of the present invention are described in detail, but embodiments of the invention are not limited to this.
Embodiment
As shown in Figure 1, the present invention is based on the super display platform of intelligent magnanimity information of cloud computing, comprise that the high resoluting information display splicing large-size screen monitors 309, the computer cluster distributed parallel that connect successively calculate display system 307, super Display control computer network 302 and cloud computing information source interface 301.Wherein, high resoluting information display splicing large-size screen monitors 309 comprise the display unit 308 of some high definitions, and whole like this platform resolution is to more than hundred million pixels.
Described computer cluster distributed parallel calculates display system 307 and adopts distributed parallel to calculate group system, can carry out high speed processing and demonstration to mass data, can support the demonstration of the above information source of GB, comprises host node computing machine and some child node computing machines.Wherein, host node computing machine calculates display system to computer cluster distributed parallel and unifies centralized management and control and provide the interactive interface with user.Transmission, host node computing machine that described super Display control computer network 302 is responsible for all information sources are communicated by letter with child node intercomputer.Described cloud computing information source interface 301 provides cloud computing infrastructure information and super display platform to show the information connecting interface between cluster, and high in the clouds information exchange crosses this interface and described information receiving module enters display platform of the present invention.
Described host node computing machine and child node computing machine are equipped with information receiving module 303, management control module 304, intelligent scheduling module 305 and magnanimity information and play up display module 306.305 pairs of high in the clouds information contents of described intelligent scheduling module are carried out orderly reading and intelligent scheduling, by described super Display control computer network 302, transfer to described computer cluster distributed parallel and calculate each child node computing machine in display system and process and shows to export and provide by described magnanimity information rendering module 306 information source is carried out to intelligent distribution, tiling, stacked, mobile and zoom function, and realize each nodal operation synchronously.By management control module 304, described host node computing machine completes the magnanimity of described each child node computing machine is shown and manages control, realize the display managements such as user instruction response, information source loading release management, display window management and control function, described magnanimity information is played up display module and is realized the magnanimity information demonstration on high resoluting information display splicing large-size screen monitors.
Each node that described computer cluster distributed parallel calculates in display system 307 reads by described information receiving module 303 and cloud computing information source interface 301 information source that is stored in high in the clouds, and it is walked abreast and Distributed Calculation is carried out the Pixel Information of quick obtaining information source, then the information source obtaining is generated to texture object and remerge into whole texture and be tied to display window and show.Preferably, each display window is bound with an information source texture, just can determine the information source that it is corresponding like this according to display window.
A bit concrete, 305 pairs of high in the clouds information contents of intelligent scheduling module in described host node computing machine are carried out orderly reading and intelligent scheduling, high in the clouds information exchange is crossed described cloud computing information source interface 301 and is entered computer cluster distributed parallel calculating display system 307, in computer cluster distributed parallel calculating display system 307, each child node computing machine is all carried out the copy of a application program, process and display output, described management control module 304 receives user instruction, load management information source and send control command and complete the control that each child node computing machine shows information, make each child node computing machine show information according to user instruction.Intelligent scheduling module also comprise use configuration file to carry out configuration in advance to display properties such as information source type, display window positions and display window sizes and to other as the setting of the specific properties such as the color of the IP address of video flowing, port numbers, display text, background colour, transparency, and can carry out automatically and manually adjusting to whole display layout, no matter described display platform is in operation or is out of service, all can again recover display layout.Intelligent scheduling is also included on described high resoluting information display splicing large-size screen monitors can carry out any fenestration procedure, also can set in advance a plurality of display windows.To described display window, can automatically tile and auto arrangement, tiling mode is various.The mode diversity wherein tiling, can tile to the partial display window of choosing, also can tile to all display windows, can also show by described high resoluting information display splicing large-size screen monitors full screen tiling, or by any row and column, take display unit as unit tiling, and tile at described high resoluting information display splicing large-size screen monitors top single file.
Described child node computing machine is connected with described high resoluting information display splicing large-size screen monitors 309, and the information source after processing shows by described high resoluting information display splicing large-size screen monitors 309.After system operation related application, each child node computing machine is by receiving the steering order of host node computing machine, for the information source that can normally show is set up display window, information source information is read to generation texture object, and bind it to display window and play up by demonstration rendering module, then display window is joined in the scene tree of described super display system, wherein display window and information source are relations one to one.When system reads the failure of certain information source, cancel and for it, set up display window and directly skip and ignore this information source, read next information source information and export corresponding information.
Described management control module is shown and manages control magnanimity each child node computing machine in described computer cluster by host node computing machine, realizes the display managements such as user instruction response, information source loading release management, display window management and controls function; Described magnanimity information is played up display module and is realized the magnanimity information demonstration on high resoluting information display splicing large-size screen monitors.That is to say, management control module shows the synchronous processing of data to each node in computer cluster to magnanimity and shows the control of output, it is main that by host node computing machine, each child node computing machine to described computer cluster sends control information and user instruction, and the processing of demonstration information is all carried out on each child node computing machine, this has just greatly reduced the transmission of data on described express network, and then reduced network delay, improved the response speed of system.Wherein, user instruction comprises selection, group choosing, movement, convergent-divergent, increase and the deletion to described display window, also comprise the steering order to different aforementioned sources, as: the time-out of source of video information and broadcasting and PDF is carried out page turning, redirect and automatically play etc.Described movement and convergent-divergent comprise single or multiple display window cross-node computing machines, across any movement and the convergent-divergent of display unit screen, mobile distance and the scope of convergent-divergent are not subject to the restriction of physical boundary.Wherein, the control of information source is also included in the situation that does not change current display window association attributes, utilize GUI dynamically the information source of current window to be switched to other required information sources, without remodifying and load whole scene, the type in described other information needed sources is unrestricted, ease for use and the stability of system like this, have greatly been increased.
Described magnanimity information is played up display module, to magnanimity information carry out on a large scale, efficient, fast and ultrahigh resolution simultaneous display." magnanimity " refers to the diversity of the information source type of displayed information; Also refer to that the information simultaneously showing is quantitatively huge on described super display platform, can to image informations more than hundred million pixels, show and described intelligent scheduling and control.The information source type of displayed information comprises the picture (BMP of various forms, DDS, GIF, JPEG, PNG, TAG, the types such as RGB), video file (the AVI of various forms, MP4, MPG, MOV, MKV, WMV, the types such as FLV), the video stream file of various coded formats, and the 3D model (DAE of various forms, 3DS, ASE, OBJ, XGL, DXF, LWO, LXO, LWS, STL, XAC, MS3D, SCN, XML, IRMESH, MDL, IRR, MD2, PK3, MD3, SMD, M3, 3D, Q3D, OFF, the types such as TER), also comprise PDF, vector word, the much information Source Types such as GIS.
The high in the clouds information that 307 pairs of display systems of computer cluster distributed parallel calculating of the present invention are obtained is carried out distributed treatment, because the data volume of magnanimity information is large, if the information of magnanimity is called in to internal memory simultaneously, to whole system, it will be acid test, so display system is deposited the information of magnanimity in external memory storage, and utilize out-of-core technology only the current information showing that needs to be called in to internal memory, if current, need the information showing in internal memory, without reloading.Utilize lru algorithm internally to deposit into row scheduling, when needs show, just Pixel Information is called in to internal memory and show, do not need the content showing it to be unloaded to alleviate memory pressure from internal memory.Finally, utilize LOD to realize the meticulous demonstration of image, and then realize the fast processing of magnanimity information and efficient demonstration.That utilizes system software asks friendship function, just can obtain the display window information that current mouse is chosen.And then realize to choose window arbitrarily cross-node, across movement and the convergent-divergent of display unit.Can also realize the deletion action to any display window (comprise single choice display window, group select display window and all display windows), when carrying out this deletion action, remove the binding of information source and delete this information source.Equally also can increase at any time a display window and add information needed source and show.
As shown in Figure 2, the super display platform of the present invention adopts class method for packing to realize described various functions.Described class comprises ShowWindow class, SourceInterface class and various information source class.ShowWindow class is the parent of all display window classes, realizes the demonstration of various types of information sources in display window.The class establishment step of the newly-built display window of display system is as follows:
1, newly-built ShowWindow class, definition window coordinates, size;
2, give the SourceInterface pointer assignment of ShowWindow class, realization is associated with information source;
3, play up information source texture, realize the demonstration of information source in specified window.
SourceInterface is the parent of all information source classes, by inheriting, can generate Image, Movie, Stream, PDF, Text etc. for different information sources and show information source.Described ShowWindow class, with information such as the pointer of described SourceInterface class, display window positions coordinate, display window sizes, can realize window to move, and the functions such as window convergent-divergent also receive user instruction; Described SourceInterface class is with information such as information source type and information source textures, it is an abstract class, in ShowWindow class, follow between information source class, be the bridge that both link up, it makes ShowWindow class ignore the specific implementation of each information source class, for platform provides support platform to the support in magnanimity information source, make the two produce relative independence, when increasing new information source class, without change ShowWindow class, the dirigibility of described platform, diversity are strengthened greatly.All information source classes realize with a strategy pattern, their inherit is from an abstract parent: SourceInterface class, so just can add dynamically different information source type, and the interface and the existing class that while adding new operation on each fresh information source, do not need modification and ShowWindow class, only need to inherit this common abstract parent of SourceInterface and just can realize.And the pointer that each display window comprises the abstract parent SourceInterface of an information source class, each information source class has information and the one's own correlation functions such as information source pointer separately, the window's position coordinate, window size; ShowWindow class just can realize and the contacting of corresponding information source class by SourceInterface pointer, further realizes direct information source operation and controlling.According to user, choose instruction and can obtain a display window, utilize display window just can obtain the pointer of the information source of this display window, according to the pointer of information source, just can judge the type of this information source; So, just can carry out for different information source type the individual operation control of information source.For example: realize broadcasting, the time-out of video file, realize the roaming of three-dimensional scenic, realize the operations such as adjustment of the attributes such as text color, font.
Preferably, according to the difference of described information source pointer, just can determine the type of information source, realization other distinctive associative operations except the general operations such as convergent-divergent, movement, intelligent distribution to this information source, as: the operations such as PDF page turning, redirect, automatic broadcasting, the operations such as the broadcasting of video file, time-out and F.F..
Preferably, by the detection to buttons such as keyboard and mouses, can realize the response of user instruction.As: by pressing F6 key, recall the control interface that switch in source, according to the prompting on interface and operation instructions, can switch information needed source, the type in handover information source and number of times are all unrestricted.In addition, also can recall pre-configured various information sources and the control interface of association attributes thereof by pressing F7 key, configure rear click and preserved, load this configuration file and can carry out corresponding show control and operation, simple to operate, convenient management.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (7)
1. the super display platform of the magnanimity information based on cloud computing, is characterized in that, comprises that the information display splicing screen, the computer cluster distributed parallel that connect successively calculate display system, computer network and cloud computing information source interface; Described computer cluster distributed parallel calculates display system and comprises host node computing machine and some child node computing machines, host node computing machine calculates display system to computer cluster distributed parallel and unifies centralized management and control and provide the interactive interface with user, host node computing machine is by described computer network and child node compunication, described child node computing machine is connected with described information display splicing screen, and the information source after child node computing machine is processed shows by information display splicing screen;
Described host node computing machine and child node computing machine include: information receiving module, management control module, intelligent scheduling module and information are played up display module; Described intelligent scheduling module is carried out orderly reading and intelligent scheduling to the high in the clouds information content, each child node computing machine transferring in described computer cluster distributed parallel calculating display system by described computer network is processed and is shown output and information source is carried out to intelligent distribution, tiling, stacked, mobile and convergent-divergent by described information rendering module, and realizes the synchronous of each nodal operation; Described management control module completes for receiving user instruction, load management information source and sending control command the control that each child node computing machine shows information; By described information receiving module and cloud computing information source interface, read the information source that is stored in high in the clouds, and it is walked abreast and Distributed Calculation is carried out the Pixel Information in obtaining information source, then the information source obtaining is cut apart and generated texture object and remerge into whole texture and be tied to display window and show that by information rendering module shows.
2. the super display platform of the magnanimity information based on cloud computing according to claim 1, is characterized in that, each display window is bound with an information source texture.
3. the super display platform of the magnanimity information based on cloud computing according to claim 1, it is characterized in that, described intelligent scheduling module also comprises uses configuration file to carry out configuration in advance to display properties, and whole display layout is carried out automatically and manually adjusting; Described intelligent scheduling module is carried out fenestration procedure, is set in advance a plurality of display windows on described information display splicing screen, and described display window is tiled and auto arrangement automatically.
4. the super display platform of the magnanimity information based on cloud computing according to claim 3, is characterized in that, described display properties comprises information source type, display window positions and display window size.
5. the super display platform of the magnanimity information based on cloud computing according to claim 3, it is characterized in that, the mode of described tiling comprises: the partial display window of choosing is tiled, all display windows are tiled, by the tiling of described information display splicing screen full screen, show, by any row and column, take display unit as unit tiling, or in the top single file tiling of described information display splicing screen.
6. the super display platform of the magnanimity information based on cloud computing according to claim 1, it is characterized in that, described child node computing machine is connected with described information display splicing screen, the process that information source after child node computing machine is processed shows by information display splicing screen is: each child node computing machine is by receiving the steering order of host node computing machine, for the information source that can normally show is set up display window, information source information is read to generation texture object, and bind it to display window and play up by demonstration rendering module.
7. the super display platform of the magnanimity information based on cloud computing according to claim 1, it is characterized in that, described user instruction comprises selection, group choosing, movement, convergent-divergent, increase and the deletion to described display window, also comprise the steering order to the time-out of different aforementioned sources and broadcasting, and PDF is carried out page turning, redirect and automatically play.
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