CN104463957A - Three-dimensional scene generation tool integration method based on materials - Google Patents
Three-dimensional scene generation tool integration method based on materials Download PDFInfo
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Abstract
The invention provides a three-dimensional scene generation tool integration method based on materials. The method includes the following steps that (1) an integrated development system frame is built, and the frame comprises a resource layer, a tool packing layer, a service layer and an application layer, wherein the resource layer, the tool packing layer, the service layer and the application layer interactively communicate with one another from bottom to top; (2) a 3D content material library is built in the resource layer, the materials are stored and managed uniformly, and a support is provided for visiting the system materials by other layers; (3) a 3D service packing template is built in the tool packing layer, and all types of three-dimensional scene generation tools are uniformly packed to form the Web Service services meeting the SOAP specifications; (4) three-dimensional scene generation basic services are defined in the service layer, data resources and tools of the next two layers are called and managed, and a support is provided for the application layer; (5) an application issuing template is defined in the application layer, the packed three-dimensional scene generation services are integrated and issued, and a three-dimensional scene generation system of a stand-alone version and a cloud version can be issued.
Description
Technical field
The invention belongs to virtual reality, graph image and database field, is a kind of three-dimensional scenic Core Generator integrated approach based on material specifically.
Background technology
Virtual reality (Virtual Reality, be called for short VR) be core with computer technology, in conjunction with related science technology, generate and the certain limit true environment digitized environment that height is approximate in vision, hearing, touch sense etc., user carries out reciprocation by the object in the equipment of necessity and digitized environment, influences each other, and can produce the impression and experience of coming to corresponding true environment personally.Along with social productive forces and scientific and technical development, every profession and trade is day by day vigorous to the demand of virtual reality technology, people are to the research pay attention to day by day of virtual reality technology, and virtual reality technology also achieves huge progress, and progressively become a new science and technology field.
A kind of way of realization of 3D studio virtual reality technology, along with the development of digital prototype technology, people to be no longer satisfied with and to have browsed some static state, text class, the data of two dimension, but it is dynamic to those, the product demand of three-dimensional visualization effect is more and more urgent, 3D technology can provide abundanter multidimensional information and more intuitive visually-perceptible, the service request of people to 3D digital content improves day by day, this makes, and " 3D digital content " has become the following Main Morphology of the industry such as information industry and modern service industry, also " 3D digital content is produced and application " is made to become the emerging economies growth point of the industry such as information industry and modern service industry.
At present, three-dimensional scenic generation technique has had very many algorithmic tools to be developed, these instruments and algorithm have only carried out part process to model, or process in a certain respect, if by using different instruments and algorithm to carry out three-dimensional scenic generation, what just need many algorithms instrument is integrated.
Current three-dimensional scenic generates the problem that software exists two aspects.On the one hand, traditional 3D software (as 3dmax, maya etc.) provide only local runtime mechanism, and due to 3D calculate resource consumption larger, to the hardware configuration of user terminal, there is high requirement, be also difficult to complete complicated model editing generating run on the mobile terminal device.On the other hand, need a large amount of 3D content material in three-dimensional scenic manufacturing process, these software shortage carries out rationally effective Organization And Management to material, can not effectively carry out sharing and obtaining to material,
Comprehensively above-mentioned 2 points, need structure three-dimensional scenic tent creation tool the integration environment, by integrated for three-dimensional scenic Core Generator and be encapsulated as service, be supplied to all kinds of terminal user and use.And explore the organization and administration access of three-dimensional scenic material, and build 3D material database and management tool thereof as guidance, for each generates service providing data support.
Summary of the invention
The object of the invention is to: a kind of efficient, collaborative, cross-platform three-dimensional scenic Core Generator integrated approach based on material is provided, the 3D scene content generation technique the integration environment of an exploitation B/S structure, according to the feature of 3D content, design, structure 3D scene content material database, exploitation 3D content material library management method and access interface.
A kind of three-dimensional scenic Core Generator integrated approach based on material of the present invention, takes tiered system architecture, is divided into four layers from top to bottom, resource layer respectively, instrument encapsulated layer, service layer and application layer, every one deck utilizes the resource of cutting optimal simultaneously for upper layer provides access interface; Wherein:
Resource layer comprises physical resource, data resource and material database, and physical resource comprises computational resource, storage resources, Internet resources, acquisition device; Data resource comprises the 3D material resource such as picture material, model material; Resource layer provides physical resource and basic data to support for instrument encapsulated layer and service layer; In order to better manage data resource, feature according to 3D material builds 3D content material storehouse, this material database comprises model material database, aspect of model storehouse, textural characteristics storehouse, profile sample storehouse and semantic tagger storehouse, the respective stored information of three-dimensional model, comprising: model file, aspect of model file, model texture file, model silhouette figure, model sample figure, Ontology and model semantics describe;
It is instrument encapsulated layer on resource layer, at Resource Encapsulation layer, Service Portability and encapsulation are carried out to all kinds of three-dimensional scenic Core Generator, three-dimensional scenic Core Generator is divided into six classes, is model acquisition, model construction, model editing, model animation, the service of model material database, model rendering respectively; Wherein model obtains the instrument acquisition device that can call in resource layer provides data stream interface from acquisition device to service layer, and the rendering resources that model rendering instrument calls resource layer provides plays up calling interface and rendering data interface; Define three-dimensional scenic at instrument encapsulated layer and generate service encapsulates template, model construction, model editing, model animation, model material database are served to this four classes three-dimensional scenic Core Generator and carried out service encapsulates, service encapsulates template definition unified instrument method for packing and data stream standard, this four classes instrument carries out by encapsulation template the Web Service service call interface that service encapsulates to provide SOAP standard to upper strata service layer;
Service layer on instrument encapsulated layer, utilize the data resource access interface of lower resource layer and the service interface of instrument encapsulated layer, there is provided three-dimensional scenic to generate relevant infrastructure service, comprise user right service, data stream management, the mutual basic service of model, resource management related service and play up management service; For upper layer application layer provides supporting;
Application layer is positioned at the top of whole system framework, define application in application layer and issue template, carrying out integration release to all kinds of three-dimensional scenic Core Generators of all kinds of service of service layer and instrument encapsulated layer, can issue the system of two kinds of versions, is unit version and cloud version respectively.
Wherein, three-dimensional scenic Core Generator integrated approach based on material of the present invention, a three-dimensional scenic Core Generator encapsulation template is constructed at instrument encapsulated layer, this masterplate provides three-dimensional scenic Core Generator data standard and calls specification, and data standard comprises the input and output of standard, unified data layout and standardization file read-write interface.Call specification to describe WEB service by WSDL and call and XML (subset of the standard generalized markup language) language how to communicate with WEB service is described, outwardly expose an API that can be undertaken calling by WEB.
Wherein, three-dimensional scenic Core Generator integrated approach based on material of the present invention, 3D content material storehouse is constructed according to 3D material feature at data Layer, the retrieval of model material, annotation tool is encapsulated at instrument encapsulated layer, service layer builds a 3D material database access gopher on the basis of data Layer and instrument encapsulated layer, allows the more effective management of system and obtain three-dimensional model material in storehouse.
Wherein, three-dimensional scenic Core Generator integrated approach based on material of the present invention, when building the application system of application layer unit version, based on the three-dimensional scenic Core Generator of encapsulation, construct three-dimensional scenic product process control panel, Row control panel node on behalf instrument, the output of father node is as the input of child node.The control of node type can be good at the program developing logic showed in whole processing procedure, relatively be applicable to the Row control of the three-dimensional scenic generation that performance knowledge based is expressed, allow user can control the instrument of each step use and the result of generation, and check the result that each step produces, in order to operations flows and data stream between unified instrument.
Compared with existing other technologies, feature of the present invention is:
(1), propose the three-dimensional scenic Core Generator integrated approach of a kind of numeral based on material, the three-dimensional scenic Core Generator of original independent operating and work is separately integrated into collaborative work under unified platform
(2), integrated approach utilizes extendible unified encapsulation template to carry out service encapsulates to each three-dimensional scenic Core Generator, be encapsulated into the Web Service meeting SOAP standard to serve, and integration release can be carried out to various service, the system of unit version and cloud version can be issued;
(3), integrated and have shared the three-dimensional material resource of magnanimity of platform, construct 3D content data base, for platform service provides Data support.
Accompanying drawing explanation
Fig. 1 is general frame figure of the present invention;
Fig. 2 is three-dimensional scenic Core Generator service hierarchy figure of the present invention;
Fig. 3 is that three-dimensional scenic Core Generator package interface of the present invention describes;
Fig. 4 is standalone version system application interface figure of the present invention;
Fig. 5 is that four kinds of data types of the present invention show interface;
Fig. 6 is three-dimensional scenic product process control panel of the present invention;
Fig. 7 is material database of the present invention access gopher.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is elaborated.
Consulting Fig. 1 is general frame figure of the present invention, present invention employs four layers of hierarchy, comprises resource layer, instrument encapsulated layer, service layer and application layer.Resource layer is positioned at the orlop of general structure, comprises physical resource, data resource and material database.Instrument encapsulated layer is positioned on physical resource layer, encapsulates three-dimensional scenic Core Generator.The data-interface of data Layer and instrument encapsulated layer and tool interface can call by serviced layer, and provide some its basic services.The service of serving is by the issue template integration release of application layer.
Consulting Fig. 2 is that three-dimensional scenic of the present invention generates service, undertaken encapsulating by uniprocessor algorithm and instrument, the present invention proposes the encapsulation template of a scene Core Generator, by the distinguishing hierarchy to generation service, logic isolation different is separately come, realize " high cohesion, low coupling ", be conducive to the exploitation of service, maintenance, deployment and expansion like this.Encapsulation template is divided into three-decker, is made up of data Layer, operation layer and presentation layer.Define following several function: 1) bottom is data Layer, system data resource and file read-write class is comprised at data Layer, file read-write class defines the data input/output interface of standard, in three-dimensional scenic generating process flow process, system provides the input and output of standard, namely to reading and the derivation of model file, document scene, image file, video file, skeleton file.For various data, according to platform display and platform tool demands, with reference to current international practice data standard, define unified data format specifications, the standardization of data is the keys realizing data sharing, is also the content that integrated system is paid close attention to.2) on data Layer, be Business Logic, service logic class mainly comprises request process class, service call class and core algorithm.Request process class is responsible for the message sequence of receiving front-end, then resolves message, and realizes the mapping that message and three-dimensional scenic generate service interface.Realize three-dimensional scenic and generate the mapping of service interface, need to the three-dimensional scenic of all encapsulation generate service interface carry out Unify legislation and and management, the form of Unify legislation is the WSDL form meeting Web Service.GSOAP is utilized to set up mapping relations, then according to request, call corresponding three-dimensional scenic by service call class and generate service, encapsulation three-dimensional scenic generates the core that service is three-dimensional scenic system, the i.e. encapsulation of core algorithm, main according to system Processing Interface, three-dimensional scenic is generated core algorithm and be packaged into the executable program meeting and call specification.Business Logic only need obtain from data Layer the data needed and process, and then by result return data layer, writes specimens preserving result by data Layer by file, then result is returned to presentation layer shows.3) presentation layer mainly comprises view class, controls class and tool loads calling interface, and view class comprises input, Output rusults shows interface and parameter panel.Control class receive the input of user and by tool loads calling interface, call the alignment processing algorithm of Batch Processing layer, and parameter and data are sent to the request process class of Batch Processing layer, return to view class after obtaining result and show.
The three-dimensional scenic Core Generator that the present invention relates to mainly comprises three major types, and first class is acquisition device, integrated mainly to three-dimensional acquisition equipment, and system supports three-dimensional acquisition equipment kinect, can call device A PI interface and obtains device data stream and show.Second largest class is model treatment class, comprises again four groups, is model construction, model editing, model animation and the service of model material database respectively, and the instrument of model treatment class encapsulates by encapsulation template, and collaborative work can complete the structure of three-dimensional scenic.The third-largest class is model rendering, and the three-dimensional scenic obtained for model treatment class carries out playing up output.
Consulting Fig. 3 has three-dimensional scenic Core Generator package interface to describe, and be that a wsdl file describes, WSDL describes WEB service and XML (subset of the standard generalized markup language) language how to communicate with WEB service is described.For user provides detailed interface specification book, multiple operating system can be crossed over, language environment and the different tissues after fire wall.Describe interface and mainly comprise following content: 1) interface name (name); 2) interface parameters and parameter type; 3) interface rreturn value and type;
Consulting Fig. 4 three-dimensional scenic of the present invention Core Generator integrated standalone version system application interface figure, is a cross-platform visual 3D model treatment UI by Qt (the cross-platform program that Nokia supports and interface development framework) and OpenGL structure.Be divided into Facility Column table section, file window region, Row control region, scene preview region, control group region and six, object editing region part.1) list area is the list of integrated three-dimensional scenic Core Generator, also can change the display mode in scene preview region.2) file window region is local file list, and user can select easily, open a local file or a network file.3) Row control region have employed the Row control mode taking node type, represents represent workflow with " tree " by the running example that three-dimensional scenic generates with " node ".4) material be presented at scene preview region, support image, video, three-dimensional model, skeleton four kinds of display modes, can check and respective operations material under each display mode.5) control group region, can carry out mutual preview to current preview material, as video playback control group can control video playback time point etc.6) object editing region shows the dimensional information of the translation of scene and current edit object, rotation, convergent-divergent, respective reaction is understood on dimensional information by mouse, the operation of keyboard to scene and object, also can by carrying out corresponding operating in editor editor shift value, rotational value etc.
Consulting Fig. 5 is that four kinds of data types that three-dimensional scenic Core Generator integrated system of the present invention is supported show interface, is image display interfaces, video display interface, three-dimensional model display interface, human skeleton display interface respectively.Material is presented at the preview window, can check and respective operations material under each display mode, image interactive mode mark can be carried out as view data to extract, video data can carry out video playback, video frame extraction, model data can carry out model rotate convergent-divergent, import and export, texture and material editor, human skeleton data can carry out skeleton adjustment, motion generation etc.
Consulting Fig. 6 is three-dimensional scenic product process control panel of the present invention, and Row control lower panels has node processing button, comprises " node line ", " knot removal " and " node preview ".Two node contacts get up by " node line ", and the output of father node is as the input of child node.The control of node type can be good at the program developing logic showed in whole processing procedure, relatively be applicable to the Row control of the three-dimensional scenic generation that performance knowledge based is expressed, allow user can control the instrument of each step use and the result of generation, and check the result that each step produces, in order to operations flows and data stream between unified instrument.By " node " preview operation, the intermediate result of whole flow process can be checked, the generation result of each instrument process of display in time.
Consulting Fig. 7 is 3D content material storehouse of the present invention access gopher, and supply a model pre-service, editor, preview, the functions such as retrieval.User need carry out category setting and semantic tagger when model is put in storage, makes rambling model material in the other class of storehouse center opening door.3D content material storehouse access retrieval work can also carry out pre-service to entering library model material automatically, the various characteristic sum attribute informations of analytical model material, as the file size, form, number of vertices, face number, uplink time, texture information, eigenwert, corner characteristics value etc. of model, simultaneously the preview graph of Auto-generation Model and profile diagram are kept in profile sample storehouse, user friendlyly check and preview.Also provide model the preview window, carry out detailed preview in order to open a model.Instrument also supplies a model information editing's function, and user can edit model information, revise and deletion action.Material database provides 4 kinds of retrieval modes altogether, is keyword retrieval respectively, semantic retrieval, and 2 of the system integration kinds of model index instruments: the three-dimensional model search based on image outline and the three-dimensional model search based on model.
Claims (4)
1., based on a three-dimensional scenic Core Generator integrated approach for material, it is characterized in that: take tiered system architecture, be divided into four layers from top to bottom, resource layer respectively, instrument encapsulated layer, service layer and application layer, every one deck utilizes the resource of cutting optimal simultaneously for upper layer provides access interface; Wherein:
Resource layer comprises physical resource, data resource and material database, and physical resource comprises computational resource, storage resources, Internet resources, acquisition device; Data resource comprises the 3D material resource such as picture material, model material; Resource layer provides physical resource and basic data to support for instrument encapsulated layer and service layer; In order to better manage data resource, feature according to 3D material builds 3D content material storehouse, this material database comprises model material database, aspect of model storehouse, textural characteristics storehouse, profile sample storehouse and semantic tagger storehouse, the respective stored information of three-dimensional model, comprising: model file, aspect of model file, model texture file, model silhouette figure, model sample figure, Ontology and model semantics describe;
It is instrument encapsulated layer on resource layer, at Resource Encapsulation layer, Service Portability and encapsulation are carried out to all kinds of three-dimensional scenic Core Generator, three-dimensional scenic Core Generator is divided into six classes, is model acquisition, model construction, model editing, model animation, the service of model material database, model rendering respectively; Wherein model obtains the instrument acquisition device that can call in resource layer provides data stream interface from acquisition device to service layer, and the rendering resources that model rendering instrument calls resource layer provides plays up calling interface and rendering data interface; Define three-dimensional scenic at instrument encapsulated layer and generate service encapsulates template, model construction, model editing, model animation, model material database are served to this four classes three-dimensional scenic Core Generator and carried out service encapsulates, service encapsulates template definition unified instrument method for packing and data stream standard, this four classes instrument carries out by encapsulation template the Web Service service call interface that service encapsulates to provide SOAP standard to upper strata service layer;
Service layer on instrument encapsulated layer, utilize the data resource access interface of lower resource layer and the service interface of instrument encapsulated layer, there is provided three-dimensional scenic to generate relevant infrastructure service, comprise user right service, data stream management, the mutual basic service of model, resource management related service and play up management service; For upper layer application layer provides supporting;
Application layer is positioned at the top of whole system framework, define application in application layer and issue template, carrying out integration release to all kinds of three-dimensional scenic Core Generators of all kinds of service of service layer and instrument encapsulated layer, can issue the system of two kinds of versions, is unit version and cloud version respectively.
2. as claimed in claim 1 based on the three-dimensional scenic Core Generator integrated approach of material, it is characterized in that: construct a three-dimensional scenic Core Generator encapsulation template at instrument encapsulated layer, this instrument encapsulation masterplate provides three-dimensional scenic Core Generator data standard and calls specification, and data standard comprises the input and output of standard, unified data layout and standardization file read-write interface; Call specification to describe WEB service by WSDL (web services definition language) and call and XML (subset of the standard generalized markup language) language how to communicate with WEB service is described, outwardly expose an API that can be undertaken calling by WEB.
3. as claimed in claim 1 based on the three-dimensional scenic Core Generator integrated approach of material, it is characterized in that: construct 3D content material storehouse at resource layer according to 3D material feature, the retrieval of model material, annotation tool is encapsulated at instrument encapsulated layer, service layer builds a 3D material database access gopher on the basis of data Layer and instrument encapsulated layer, allows the more effective management of system and obtain three-dimensional model material in storehouse.
4. as claimed in claim 1 based on the three-dimensional scenic Core Generator integrated approach of material, it is characterized in that: when building the application system of application layer unit version, based on the three-dimensional scenic Core Generator of encapsulation, construct three-dimensional scenic product process control panel, Row control panel node on behalf instrument, the output of father node is as the input of child node, the control of node type can show the program developing logic in whole processing procedure, be applicable to the Row control of the three-dimensional scenic generation that performance knowledge based is expressed, allow user can control the instrument of each step use and the result of generation, and check the result that each step produces, in order to operations flows and data stream between unified instrument.
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