CN102012906B - Three-dimensional scene management platform based on SaaS architecture and editing and browsing method - Google Patents
Three-dimensional scene management platform based on SaaS architecture and editing and browsing method Download PDFInfo
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Abstract
The invention discloses a three-dimensional scene management platform based on a SaaS (software as a service) architecture, which comprises a browser end and a cloud platform computing end; the browser end is used for providing Web user interface interaction and remote process calling functions and comprises a three-dimensional graphic program interface, a scene operation module, a scene editing module and a scene browsing module; the cloud platform computing end is used for processing service logic and sending scene codes to the browser end and comprises a scene management module, a data access layer, a data warehouse and a resource management module. The invention realizes seamless fusion with the current Web standard, realizes the online real-time management of the three-dimensional scene, and quickly releases the three-dimensional scene to the Internet for users to use, effectively reduces the software complexity, and greatly improves the usability and openness.
Description
Technical field
The present invention relates to a kind of Web3D scene management technology, particularly a kind of three-dimensional scenic management platform and editor's browsing method based on the SaaS framework.
Background technology
Along with the develop rapidly of ICT, use nearly all towards the internet in the forward position in computer nowadays field, and three dimensional graphics has also been waited until extension on the internet, i.e. the Web3D technology.The Web3D technology is in webpage, to present the three-dimensional scenic approximate with the true environment height, perhaps in scene, adds the intention interactive element, with the effect that realizes can't realizing in the true environment.People carry out alternately by means of the object in equipment such as keyboard, mouse and display and the scene, produce impression and experience on the spot in person.
Current Web 3D technology can be divided into two big camps; One of them is the Web3D proprietary technology of being designed and developed by numerous commercial companies; A camp in addition is by the VRML (Virtual Reality Markup Language, Virtual Reality Makeup Language) of Web3D alliance issue and follow-up X3D (Extensible 3D) standard technique.Web3D software generally comprises edit tool and shows plug-in unit, and the Web3D software that many business softwares company has released uses special-purpose file layout and shows plug-in unit, and similarly software is nearly thirties kinds more than.These softwares have their own characteristics each, at display speed, and picture quality, Modeling Technology all has advantage separately in the compression of interactivity and data and the optimization.The Web3D software of comparative maturity has Unity3D and the Quest3D of Dutch Act-3D company etc. of Virtools, the Denmark of France now, the domestic Webmax that last SeaBird figure network technology company limited arranged at present, in look the scientific and technological VRP product line of allusion quotation numeral etc.On the other hand, Web3D alliance has formulated early stage Web3D standard VRML, and it can be used to set up the virtual reality scenario model, makes model of place to transmit through the internet.Because the defective of VRML in performance and programming realization, Web3D alliance has issued a new standard x 3D.X3D has integrated correlation techniques such as XML, has improved processing power, rendering quality and the transmission speed of model of place.VRML/X3D is file layout and an architectural framework free, open standard, and the part commercial company and the community that increases income have realized the Web3D software based on the X3D standard, like the BS Editor/Contact of Bitmanagement company etc.
No matter be based on proprietary technology or standard technique; All with the stored in form scene content of file; Web3D plug-in unit implementation all is not quite similar, and incompatible, and this just means that also the user need install different plug-in units when browsing the application that different Web3D software developments go out; The plug-in unit volume that has even very huge, this greatly reduces user's Experience Degree.2009; Khronos Group has proposed the WebGL standard; It is a kind of cross-platform 3 D drawing Web standard that opens for free, and provides in the Canvas element of Next Generation Internet technical standard HTML5, to show three-dimensional content and Javascript script interaction capabilities, and plug-in unit need be installed.There have been a lot of browsers to begin to support this standard at present, for example Apple (Safari), Google (Chrome), Mozilla (Firefox) and Opera (Opera).On the other hand, all Web3D edit tools all are confined to multipad at present, are unfavorable for the propagation and the use of software.Along with software operation service (Software-as-a-Service based on cloud computing; Popularizing gradually SaaS); Brought many benefits such as lower cost, simpler deployment and maintenance more easily, this novel application architecture will replace most of traditional multipad framework.
Integrated three dimensional graphics is the inexorable trend of evolving in the internet; And to realize popularizing and using of Web3D technology; Just must solve the above-mentioned bottleneck problem that the Web3D technical development exists; Need a kind of software operation service (SaaS) framework of being convenient to create, find and share the 3D content of design, for Web3D developer, designer and the user of different system, browser provides the environment support based on the Web standard.
Summary of the invention
Goal of the invention: technical matters to be solved by this invention is the deficiency to prior art, and a kind of three-dimensional scenic management platform and editor's browsing method based on the SaaS framework is provided.
In order to solve above technical matters, the invention discloses a kind of three-dimensional scenic management platform based on the SaaS framework, comprise that browser end and cloud platform calculate end;
Said browser end is used to provide Web User Interface to reach the remote procedure call function alternately, and module, scene editor module and scene are browsed module when comprising three-dimensional picture routine interface, scene operation;
The Web module that said scene editor module is the user management scene is used for user interface interaction and sends the scene edit commands through remote procedure call to said cloud computing platform end, and during with said scene operation module to carry out two-way contextual data synchronous;
It is the Web module that the user browses scene that said scene is browsed module; Be used for sending the scene browse request through remote procedure call to said cloud computing platform end, module is carried out displayed scene at browser end when receiving the scene code that the cloud computing platform end returns and calling said scene operation;
Module is used for the scene code that synchronous said scene editor module and scene are browsed module during the operation of said scene, carries out the three-dimensional picture demonstration through calling said three-dimensional picture routine interface at browser end;
Said cloud platform calculates end be used to manage business logic and send the scene code to browser end, comprises scene management module, data access layer, data warehouse and resource management module;
Said scene management module is responsible for the establishment and the management of all objects in scene and the scene; Wherein the scene management device is used for the setting of object scene attribute; Safeguard the tabulation of its all object scenes; Carry out establishment, inquiry, destruction and the setting of object scene, use the Java data object of said data access layer that scenario objects is synchronous in said data warehouse simultaneously; Said scene editor module sends the scene edit commands to said scene management module, and calls the scene code that said scene management module transmits; Said scene is browsed module and is sent the scene navigation commands to said scene management module, and calls the scene code that said scene management module transmits;
Said resource management module is used to manage the uploading, remove and call of recoverable resources object of scene needs; Comprise resource object and explorer; Said explorer is in charge of model object and the outward appearance object of creating scene, and provides the use interface to supply the scene management module invokes; The scene edit commands type that explorer sends according to the scene editor module, the title and the attribute of object; Carry out establishment, inquiry, destruction and the setting of resource object, and use the Java data object of said data access layer that scenario objects is synchronous in data warehouse;
Said data access layer carries out bidirectional data transfers with said scene management module, resource management module and data warehouse respectively; Be used for the object of affiliated scene management module or resource management module is preserved the said data warehouse of entering, call the object transfer of said data warehouse and give said scene management module or resource management module.
Among the present invention, said three-dimensional picture routine interface is a WebGL three-dimensional picture routine interface.
Among the present invention; Said browser end is supported HTML5 and WebGL standard; Module comprises the JavaScript script during operation of said scene, and the scene code that is used for the HTML5 webpage is met the X3D standard carries out scene at browser end and shows through calling said WebGL three-dimensional picture routine interface.
The invention also discloses a kind of scene editor's browsing method of the three-dimensional scenic management platform based on the SaaS framework, comprise that browser end and cloud platform calculate end; Module, scene editor module and scene were browsed module when said browser end comprised three-dimensional picture routine interface, scene operation; Said cloud platform calculates end and comprises scene management module, data access layer, data warehouse and resource management module;
Said scene editor's browsing method may further comprise the steps:
Step (1); Newly-built scene of said scene editor module and initialization generate blank scene; The scene editor module is sent to scene properties through remote procedure call the scene management module of cloud computing platform end; The scene management device that scene management module creation and scene title are corresponding, and store the scene management device into data warehouse through data access layer;
Step (2), said scene editor module sends the order of recoverable resources such as model of creation, outward appearance, audio frequency, video through remote procedure call, and cloud computing platform end resource management module generates corresponding resource object and synchrodata warehouse; Wherein the model management device in the resource management module reads the X3D model data; Resolve and generate one or several submodel objects; Be combined to form a model object; The submodel object comprises the attribute that is used to store geometric configuration, and the outward appearance name attribute that is used for related outward appearance object, and the attribute of outward appearance object comprises the material corresponding with the X3D standard, texture and texture transformation information;
Step (3), the scene editor module sends the scene edit commands, comprises entity object, camera, light, sound creation and order is set; The scene management module creation of cloud computing platform end with safeguard the corresponding entity object, the synchrodata warehouse also returns the X3D code to browser end; When the scene manager is created an entity object; The model management device is related with entity object with model object; And make model object have only an object instance at the cloud computing platform end; Entity object generates the fructification tabulation subsequently, the corresponding submodel of each fructification, and comprise the outward appearance name attribute of submodel; Said outward appearance name is referred to as the unique identification that obtains the outward appearance resource object, the shared model object of a plurality of entity objects, and the scene management device is through being provided with the outward appearance that the outward appearance name attribute dynamically changes one of them entity; The scene management device will be stored in database with entity object through data access layer, and the scene management device converts entity object into the X3D code, be sent to the scene editor module of browser end through the remote procedure call piece; The scene editor module receives the back and uses the operation of JavaScript script to add or revise the X3D code of above-mentioned entity object, the synchronous displayed scene of the built-in three-dimensional picture routine interface of module invokes during scene operation simultaneously;
Carrying out the spatial alternation operation of object scene; Comprise that the object scene position is moved, when convergent-divergent, rotation; The scene editor module uses the corresponding attribute of JavaScript script operation change object X3D code, through remote procedure call the scene management module that object scene title and corresponding property are sent to the cloud computing platform end is carried out the object renewal;
Step (4); When scene is browsed through visiting a network address that comprises the scene title; Scene is browsed module and is sent browse request according to the scene title to the cloud computing platform end; The scene management module is obtained the scene management device corresponding with the scene title, and the scene management device calls the scene code conversion method that meets the X3D standard of all object scenes, finally generates the X3D code of whole scene and is sent to browser end; At browser end, the scene X3D code of the built-in three-dimensional picture routine interface of module invokes loading scenario met the scene code of X3D standard when scene was browsed module and moved through scene, in browser, carried out scene content and showed.
Beneficial effect: the platform architecture that the present invention provides the no plug-in unit based on HTML5, X3D and WebGL standard on a kind of Internet of being deployed in, visualization of 3 d scene editor, issues and browse; Overcome existing Web3D technology generally use client software, with document form storage scenarios, Application models and DLL with existing Web standard disunity and need the installation plug-in unit, to the not first-class shortcoming of browser support; Realize seamless fusion with the current Web standard; Accomplish the online in real time management of three-dimensional scenic; And be published to upward confession user use of Internet fast, effectively reduce software complexity, and ease for use and opening are improved greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done specifying further, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is a platform architecture synoptic diagram of the present invention.
Fig. 2 is scene administration module class figure of the present invention.
Fig. 3 is resource management module class figure among the present invention.
Fig. 4 is three-dimensional scenic management platform running example figure.
Embodiment:
Platform architecture of the present invention is as shown in Figure 1, and platform architecture is to be accomplished by browser end and two system synergistic workings of cloud computing platform end.Wherein browser end provides Web User Interface to reach remote procedure call (RPC) function alternately, and service logic is then transferred to the cloud computing platform end and handled.Browser end comprises module and three-dimensional picture routine interface when scene editor module, scene are browsed module, scene operation, realizes following function:
The scene editor module is the Web User Interface of user management scene; Be responsible for user interface interaction and send the scene edit commands to the cloud computing platform end through the mode of remote procedure call (RPC); Comprise the setting of scene properties (title, description, background, mist effect etc.); The establishment of object scene and resource object, inquiry, order such as destroy and be provided with, and module is carried out scene and is shown in browser when receiving the X3D code that the cloud computing platform end returns and calling the scene operation.The user interface of scene editor module is made up of functional areas, reader, attribute area and editing area; Functional areas comprise all scene edit commands menu and toolbars; Reader is the tabulation that comprises all object scenes; Attribute area is used to be provided with the property value of various objects, and editing area is used to show the three-dimensional scenic under the editing mode.When the cloud computing platform end sends the scene edit commands; System adopts JAVA Map set to do promptly/form of key assignments/numerical value pair set; Store scene edit commands type, object type, title and other attributes of different objects, with as unified transmission container.
It is the Web User Interface that the user browses scene that scene is browsed module; Be responsible for sending the scene browse request to the cloud computing platform end module displayed scene in browser when receiving the scene X3D code that the cloud computing platform end returns and calling the scene operation through remote procedure call (RPC).
Module is a JavaScript script during scene operation, is used for the X3D code of HTML5 webpage is presented in the browser through calling built-in WebGL three-dimensional picture routine interface, and any plug-in unit need not be installed.The browser here must be supported HTML5 and WebGL standard; Owing to had a lot of browsers to begin to support the WebGL standard at present; For example Apple (Safari), Google (Chrome), Mozilla (Firefox) and Opera (Opera), thus realized the support of many browsers.
Cloud computing platform end be responsible for managing business logic and Object Persistence, and send the X3D code to browser end.The cloud computing platform end comprises scene management module, resource management module, data access layer and data warehouse, realizes following function:
The scene management module is responsible for the establishment and the management of all objects in scene and the scene, and its basic comprising is as shown in Figure 2.Wherein scene management device (SceneManager) is its core classes; When handling the scene edit commands of browser end scene editor module transmission; The scene management device can be according to the type of scene edit commands, the title and the attribute of object; Scene properties (for example title, description, background, mist effect etc.) is set; Safeguard the tabulation of its all object scenes, carry out object scene establishment, inquiry, operation such as destroy and be provided with, use JDO (Java data object) method of data access layer to guarantee the persistence of scenario objects in data warehouse simultaneously.Object scene class (SceneObject) is the parent of entity class (Entity), camera-type (Camera), light class (Light), sound class (Sound); Comprise spatial alternation attributes such as title (unique identification of object scene object), observability and position, convergent-divergent, rotation, and each subclass of object scene also there is the particular attribute of oneself.Entity class is described all visible object scenes; Can create prefabricated entity object (comprising cube, right cylinder, cone and spheroid) through entity class; Also can create the self-control entity object, promptly user-defined scene entity generally is used for the expression of comparatively complicated entity.Scene management device and object scene all provide the X3D code conversion method; The attribute assignment of being responsible for that these objects need be exported is given the attribute and the property value of label in the corresponding X3D Code Template; Form the X3D code of object, wherein the output of scene management device is the X3D code of whole scene.
Resource management module comprises resource object (Resource) and explorer (ResourceManager) thereof, and its basic comprising is as shown in Figure 3.Explorer is in charge of and is created required model (Model), the outward appearance recoverable resources objects such as (Appearance) of scene, and provides the use interface to supply the scene management module invokes.Wherein, model is that system is built-in, the user edits or uses the X3D code block of the description scene entity that third party's design tool derives that outward appearance is the X3D code block that is used for describing scene solid appearance attribute.When handling the scene edit commands of browser end scene editor module transmission; Explorer is according to the title and the attribute of scene edit commands type, object; Carry out resource object establishment, inquiry, operation such as destroy and be provided with, use JDO (Java data object) method of data access layer to guarantee the persistence of object in data warehouse.
Basic realization of the present invention may further comprise the steps:
1) login scene editor module, newly-built scene and initialization generate blank scene, and the cloud computing platform end generates the scene management device and is saved in data warehouse;
2) through recoverable resources such as remote procedure call model of creation, outward appearance, audio frequency, videos, cloud computing platform end resource management module generates respective resources object and synchrodata warehouse;
3) create and be provided with object scenes such as entity, camera, light, sound through remote procedure call, cloud computing platform end scene management module generates and safeguards corresponding object, and the synchrodata warehouse also returns X3D code to browser end and shows synchronously;
4) network address that comprises the scene title of visit, scene is browsed module and is sent the scene title to the cloud computing platform end; Cloud computing platform end parses scene browse request is returned corresponding scene X3D code to browser end, and is returned step 3.
In step 1, the scene editor module uses the dom tree of its editing area of JavaScript script operation during newly-built scene, initialization scene X3D code, and be blank scene this moment.Through remote procedure call (RPC) scene properties is sent to the scene management module of cloud computing platform end subsequently, the scene management device that scene management module creation and scene title are corresponding, and be stored to data warehouse through data access layer.
In step 2; When the user creates a model resource through remote procedure call; Model management device (ModelManager) in the resource management module reads the X3D model data; Parsing also generates one or several submodels (SubModel) object, is combined to form a model (Model) object.The submodel object is useful on the attribute of storage geometric configuration, and the outward appearance name attribute that is used for related outward appearance object, and the attribute of outward appearance object comprises the material corresponding with the X3D standard (Material), texture (Texture) and texture transformation etc.
In step 3; Entity object is based on model construction in the said resource management module; When the scene manager is created an entity object; The model management device is related with entity object with the model object of user's appointment, and guarantees that model object has only an object instance to exist at the cloud computing platform end.Entity object generates fructification (SubEntity) tabulation subsequently, the corresponding submodel of each fructification, and comprise the outward appearance name attribute of submodel.The present invention uses the outward appearance name to be referred to as the unique identification that obtains the outward appearance resource object, and a plurality of entity objects can a shared model object, and the scene management device can be through being provided with the outward appearance that the outward appearance name attribute dynamically changes entity.At last, the scene management device will be stored in data warehouse with entity object through data access layer, if success, the scene management device then converts entity object into the X3D code, is sent to browser end through the remote procedure call piece.The scene editor module receives the dom tree that its editing area of JavaScript script operation is used in the back; Add the X3D code of above-mentioned entity object; The built-in three-dimensional picture routine interface of module invokes synchronization scenarios during scene operation simultaneously, this moment, entity was displayed on editing area.
When spatial alternations such as the position of carrying out object scene, convergent-divergent, rotation are operated; The scene editor module directly uses the dom tree of its editing area of JavaScript script operation to change the attribute of object, through remote procedure call object scene title and corresponding property is sent to the cloud computing platform end again and carries out the object renewal.And, then earlier object scene title and corresponding property being sent to the cloud computing platform end through remote procedure call for the particular attribute of object scene, after object scene upgraded corresponding property, the X3D code block of transmission attribute was to browser end.The scene editor module receives the dom tree that its editing area of JavaScript script operation is used in the back, revises the X3D code of entity object respective attributes.
In step 4; Scene is browsed module and is sent browse request according to the scene title to the cloud computing platform end; The scene management module is obtained the scene management device corresponding with the scene title; The scene management device calls the scene code conversion method that meets the X3D standard of all object scenes, finally generates the X3D code of whole scene and is sent to browser end.At browser end, the scene X3D code of the built-in three-dimensional picture routine interface of module invokes loading scenario met the scene code of X3D standard when scene was browsed module and moved through scene, in browser, carried out scene content and showed.
Be example to create a house type three-dimensional scenic " house frame ", as shown in Figure 4.At first through browser login three-dimensional scenic management platform; Newly-built in the scene editor module " house frame " scene; Association attributes is set, and like title, description etc., the scene editor module sends scene properties and gathers the scene management module to the cloud computing platform end; Create the scene management device of " house frame " by name, and in data warehouse persistence.Add some cubes through the scene editor module subsequently; Represent metope and ground respectively; And attributes such as size, position, rotation are set; In attribute area, select resources such as material and texture related, the scene management module of scene editor module transmission object scene community set to cloud computing platform end, " house frame " scene management device establishment cube with it; Return its X3D code behind the sync database to browser end, the built-in three-dimensional picture routine interface of module invokes loads the content demonstration in browser of cubical scene X3D code during the scene operation.When adding door and window, tables and chairs, sofa etc.; Can in the tabulation of the existing model of scene editor module, select to add; As the furniture that will add table within the rule; Then can add third party's model X3D code and related texture picture thereof voluntarily, transfer to resource management module and generate the respective resources object, supply the scene editor module to call loading.In like manner add some light, sound, to strengthen the sense of reality of house type.After house type " layout " finishes, can browse scene through the access browser end.
The SaaS framework mode that the present invention adopts is comprehensively based on Web standard (X3D; HTML5 and WebGL); Web3D development model and DLL and the skimble-scamble problem of existing Web standard have been solved; Improved accessibility, opening and the ease for use of Web3D scene, broken through conventional architectures simultaneously, upgraded, safeguarded limitations such as complicacy with document form storage scenarios content, the huge client software of necessary installation; Customer using cost and risk have been reduced, the Content Management Platform software operation service that has realized collecting the exploitation of Web3D scene and operated to one.
The invention provides a kind of based on the three-dimensional scenic management platform of SaaS framework and the thinking of editor's browsing method; The method and the approach of concrete this technical scheme of realization are a lot, and the above only is a preferred implementation of the present invention, should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.The all available prior art of each ingredient not clear and definite in the present embodiment realizes.
Claims (4)
1. the three-dimensional scenic management platform based on the SaaS framework is characterized in that, comprises browser end and cloud computing platform end;
Said browser end is used to provide Web User Interface to reach the remote procedure call function alternately, and module, scene editor module and scene are browsed module when comprising three-dimensional picture routine interface, scene operation;
The Web module that said scene editor module is the user management scene is used for user interface interaction and sends the scene edit commands through remote procedure call to said cloud computing platform end, and during with said scene operation module to carry out two-way contextual data synchronous;
It is the Web module that the user browses scene that said scene is browsed module; Be used for sending the scene browse request through remote procedure call to said cloud computing platform end, module is carried out displayed scene at browser end when receiving the scene code that the cloud computing platform end returns and calling said scene operation;
Module is used for the scene code that synchronous said scene editor module and scene are browsed module during the operation of said scene, carries out the three-dimensional picture demonstration through calling said three-dimensional picture routine interface at browser end;
Said cloud computing platform end be used to manage business logic and send the scene code to browser end comprises scene management module, data access layer, data warehouse and resource management module;
Said scene management module is responsible for the establishment and the management of all objects in scene and the scene; Wherein the scene management device is used for the setting of object scene attribute; Safeguard the tabulation of its all object scenes; Carry out establishment, inquiry, destruction and the setting of object scene, use the Java data object of said data access layer that scenario objects is synchronous in said data warehouse simultaneously; Said scene editor module sends the scene edit commands to said scene management module, and calls the scene code that said scene management module transmits; Said scene is browsed module and is sent the scene navigation commands to said scene management module, and calls the scene code that said scene management module transmits;
Said resource management module is used to manage the uploading, remove and call of recoverable resources object of scene needs; Comprise resource object and explorer; Said explorer is in charge of model object and the outward appearance object of creating scene, and provides the use interface to supply the scene management module invokes; The scene edit commands type that explorer sends according to the scene editor module, the title and the attribute of object; Carry out establishment, inquiry, destruction and the setting of resource object, and use the Java data object of said data access layer that scenario objects is synchronous in data warehouse;
Said data access layer carries out bidirectional data transfers with said scene management module, resource management module and data warehouse respectively; Be used for the object of affiliated scene management module or resource management module is preserved the said data warehouse of entering, call said data warehouse and be transferred to said scene management module or resource management module.
2. the three-dimensional scenic management platform based on the SaaS framework according to claim 1 is characterized in that, said three-dimensional picture routine interface is a WebGL three-dimensional picture routine interface.
3. the three-dimensional scenic management platform based on the SaaS framework according to claim 2; It is characterized in that; Said browser end is supported HTML5 and WebGL standard; Module comprises the JavaScript script during operation of said scene, and the scene code that is used for the HTML5 webpage is met the X3D standard carries out scene at browser end and shows through calling said WebGL three-dimensional picture routine interface.
4. the scene editor's browsing method based on the three-dimensional scenic management platform of SaaS framework is characterized in that, comprises browser end and cloud computing platform end; Module, scene editor module and scene were browsed module when said browser end comprised three-dimensional picture routine interface, scene operation; Said cloud computing platform end comprises scene management module, data access layer, data warehouse and resource management module;
Said scene editor's browsing method may further comprise the steps:
Step (1); Newly-built scene of said scene editor module and initialization generate blank scene; The scene editor module is sent to scene properties through remote procedure call the scene management module of cloud computing platform end; The scene management device that scene management module creation and scene title are corresponding, and store the scene management device into data warehouse through data access layer;
Step (2), the order that said scene editor module sends model of creation, outward appearance, audio frequency, video recoverable resources through remote procedure call, cloud computing platform end resource management module generates corresponding resource object and synchrodata warehouse; Wherein the model management device in the resource management module reads the X3D model data; Resolve and generate one or several submodel objects; Be combined to form a model object; The submodel object comprises the attribute that is used to store geometric configuration, and the outward appearance name attribute that is used for related outward appearance object, and the attribute of outward appearance object comprises the material corresponding with the X3D standard, texture and texture transformation information;
Step (3), the scene editor module sends the scene edit commands, comprises the establishment of entity object, camera, light, sound and order is set; The scene management module creation of cloud computing platform end with safeguard the corresponding entity object, the synchrodata warehouse also returns the X3D code to browser end; When the scene manager is created an entity object; The model management device is related with entity object with model object; And make model object have only an object instance at the cloud computing platform end; Entity object generates the fructification tabulation subsequently, the corresponding submodel of each fructification, and comprise the outward appearance name attribute of submodel; Said outward appearance name is referred to as the unique identification that obtains the outward appearance resource object, the shared model object of a plurality of entity objects, and the scene management device is through being provided with the outward appearance that the outward appearance name attribute dynamically changes one of them entity; The scene management device is stored in database with entity object through data access layer, and the scene management device converts entity object into the X3D code, is sent to the scene editor module of browser end through remote procedure call; The scene editor module receives the back and uses the operation of JavaScript script to add or revise the X3D code of above-mentioned entity object, the synchronous displayed scene of the built-in three-dimensional picture routine interface of module invokes during scene operation simultaneously;
Carrying out the spatial alternation operation of object scene; Comprise that the object scene position is moved, when convergent-divergent, rotation; The scene editor module uses the corresponding attribute of JavaScript script operation change object X3D code, through remote procedure call the scene management module that object scene title and corresponding property are sent to the cloud computing platform end is carried out the object renewal;
Step (4); When scene is browsed through visiting a network address that comprises the scene title; Scene is browsed module and is sent browse request according to the scene title to the cloud computing platform end; The scene management module is obtained the scene management device corresponding with the scene title, and the scene management device calls the scene code conversion method that meets the X3D standard of all object scenes, finally generates the X3D code of whole scene and is sent to browser end; At browser end, the scene X3D code of the built-in three-dimensional picture routine interface of module invokes loading scenario when scene is browsed module through the scene operation, the scene X3D code of scene is the scene code that meets the X3D standard, in browser, carries out scene content and shows.
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