CN104200520A - Three-dimensional rendering method and three-dimensional rendering system both based on component model combination - Google Patents
Three-dimensional rendering method and three-dimensional rendering system both based on component model combination Download PDFInfo
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Abstract
The invention discloses a three-dimensional rendering method and a three-dimensional rendering system both based on component model combination. The three-dimensional rendering method based on the component model combination comprises the steps of: downloading a pre-stored low-precision component model from a cloud rendering terminal to a user terminal for preview, generating a corresponding description document, uploading the document to the cloud rendering terminal and combining the document with a high-precision component model pre-stored in the cloud rendering terminal to obtain a rendering result; obtaining the rendering result from the cloud rendering terminal. The user terminal does not need to upload a to-be-rendered model to the cloud rendering terminal, but only needs to upload the description document in the invention, so that the time consumption for data transmission is reduced greatly, the improvement of the rendering efficiency is facilitated, and real-time rendering is realized; furthermore, the user terminal forms the description document by utilizing the low-precision component model, and utilizes the high-precision component model while the cloud rendering terminal renders, so that transmission of the high-precision component model during the formation of the description document is not only avoided, but the high-precision component model also can be utilized for rendering; the transmission time consumption is reduced, and the rendering precision is ensured.
Description
Technical field
The present invention relates to Rendering field, be specifically related to a kind of three-dimensional cloud rendering intent and three-dimensional cloud rendering system based on partial model combination.
Background technology
Three-dimensional digital model passes through the Three-dimensional Design Software tool makings such as 3dMax, Maya, and by local three-dimensional graphics rendering engine, three-dimensional digital model is played up to the picture with physics true effect.Playing up is a process that 3-D geometric model is converted to graph image, a process very consuming time to playing up of a scene, because a scene is generally all made up of thousands of three-dimensional surfaces, along with people are more and more higher to the requirement of visual effect, the resolution of playing up is each time also more and more higher, light and color design conditions also become increasingly complex, one width picture take possibly several hours even the longer time just can play up, depend merely on unit and improve the rendering efficiency practical requirement of having had no idea.
Although computer cluster group is pointed to rendering task as playing up end, can greatly improve rendering speed.But, because integrated of computing machine is high, be difficult to popularize.In recent years, along with " development of cloud computing, the cloud Rendering based on distributed parallel cluster computing system has obtained developing rapidly.The pattern that cloud is played up and conventional cloud computing are similar, provide the conduct based on cluster computer to play up end by third party, rendering program is placed in long-range server (cloud is played up end) and is played up, user terminal is by Web software or directly in local rendering program, click " cloud an is played up " button, and will play up instruction by high speed internet and send to cloud to play up end, send to cloud to play up end rendering task (model to be rendered) by high speed internet simultaneously, cloud is played up termination and is received and play up after instruction and rendering task, treat rending model and play up according to playing up instruction.
Model to be rendered (three-dimensional model to be rendered) is the basis that cloud is played up, and for describing scene to be rendered, is conventionally made up of a large amount of cloud datas.Along with scene update, the locus of each component parts in model to be rendered, orientation angles, material conversion etc. also need to occur corresponding variation.In existing cloud rendering intent, send to cloud to play up end on model to be rendered by user terminal by high speed internet, wherein, to be rendered can be that user terminal generates, and also can directly from other external units, acquire.For three-dimensional rendering, the data volume of a common scene is huge, causes like this time loss for transmitting model to be rendered large, cannot meet at a high speed and play up needs, is unfavorable for realizing real-time rendering.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of three-dimensional cloud rendering intent and three-dimensional cloud rendering system based on partial model combination.
Based on a three-dimensional cloud rendering intent for partial model combination, comprising:
Play up end to cloud and send download request;
Receive from cloud and play up the low precision partial model that end prestores;
Low precision partial model is carried out to preview, and generate the corresponding document of describing according to preview result and be uploaded to cloud and play up end;
Play up end from cloud and obtain rendering result, described rendering result is that cloud is played up end and played up in conjunction with cloud high precision part model that end prestores according to described description document and play up and obtain.
Medium cloud of the present invention is played up end for carrying out data storage (comprising low precision partial model and high precision part model) and playing up.Cloud is played up end can only include a station server (be data storage and play up by same station server complete), also can comprise many (two or more) servers, wherein at least one for data storage, and at least one for playing up.
This three-dimensional cloud rendering intent, for user terminal, is the operating process completing at user terminal in the time implementing this three-dimensional rendering method.
The three-dimensional cloud rendering intent combining based on partial model of the present invention, plays up from cloud low precision partial model to the user terminal of holding download to prestore and carries out preview, and the corresponding description of generation document is uploaded to cloud and plays up end; Playing up end at cloud plays up and holds the high precision part model prestoring to obtain rendering result and send to user terminal in conjunction with cloud according to described description document.
The description document that three-dimensional cloud rendering intent of the present invention is formed for describing model to be rendered at user terminal is uploaded to cloud and plays up end, and cloud is played up end and described document and complete and play up in conjunction with corresponding high precision part model according to this, and returns to user terminal.
Compared with prior art, user terminal of the present invention does not need that model to be rendered is uploaded to cloud and plays up end, only uploads and describes document, has greatly reduced the time loss of data transmission, is conducive to improve rendering efficiency, realizes real-time rendering.And play up the end low precision partial model of storage and high precision part model at cloud in advance, utilize low precision partial model to form at user terminal and describe document, play up end at cloud and utilize high precision part model while playing up, while so both having avoided forming description document, transmit high precision part model, can utilize again high precision part model rendering, ensure rendering accuracy, and reduced transmission time consumption.
For identical low precision partial model, only to download once to user terminal, the low precision partial model that when document is described in follow-up generation, direct utilization has been downloaded, without again downloading.Therefore, three-dimensional cloud rendering intent of the present invention, is particularly useful for the application scenario that reusability is high.
Described low precision partial model and high precision part model are corresponding one by one, and corresponding low precision partial model and high precision part model has corresponding identifying information mutually.
The version of the different accuracy that corresponding low precision partial model and high precision part model are same parts mutually, with identifying information index each low precision partial model and high precision part model, for guaranteeing to determine corresponding high precision model according to low accuracy model, the identifying information of corresponding low precision partial model and high precision part model also should be mutually corresponding mutually.Identifying information in the present invention can be id information etc.In indoor design field, low precision partial model and parts corresponding to high precision part model comprise that room, floor, wall, door, window, furniture, family are spun, ornament, material pinup picture etc.
As preferably, preview process is as follows:
After the low precision partial model combination that will download, show, and obtain corresponding preview result according to the position that the content showing is adjusted each low precision partial model.Whole structure while directly obtaining each low precision partial model according to different position grouping by preview, and then adjust the position of each low precision partial model, until satisfy the demand.Initial position for each low precision partial model there is no characteristic requirements, is specified by user.
Described description document is for recording identifying information and the positional information of each low precision partial model of preview result, and the positional information of stating comprises coordinate information and angle information.
The low precision partial model combination of preview result obtaining, each low precision partial model has corresponding identifying information and position, therefore utilizes the identifying information of low precision partial model and positional information can describe this preview result.
Further, obtain by the following method rendering result:
According to describing document, corresponding high precision part model is pressed to corresponding position grouping, obtain model to be rendered, after playing up, obtain rendering result.
The parameter of playing up required while playing up is set by user terminal conventionally, and with describe document be uploaded in the lump cloud play up end for playing up.Described play up resolution, quality scale and the output format that parameter comprises rendering result, can set according to demand.
The present invention also provides the another kind of three-dimensional cloud rendering intent based on partial model combination, comprising:
Receive the download request from user terminal;
In response to described request, send cloud to user terminal and play up the low precision partial model that end prestores;
Receive and describe document and play up the high precision part model that prestores of end in conjunction with cloud and play up and obtain rendering result from user terminal, described description document is for to carry out preview at user terminal to low precision parts, and generates according to preview result;
Send rendering result to user terminal.
This three-dimensional cloud rendering intent is played up end for cloud, is to play up the operating process of having held at cloud in the time implementing this three-dimensional rendering method, and the specific implementation of each process is identical with above-mentioned three-dimensional cloud rendering intent.
The present invention also provides a kind of three-dimensional cloud rendering system based on partial model combination, comprising:
Send the module of download request for playing up end to cloud;
Play up the module of holding the low precision partial model prestoring for receiving from cloud;
For low precision partial model is carried out to preview, and generate the corresponding module of describing document and be uploaded to cloud and play up end according to preview result;
Obtain the module of rendering result for play up end from cloud, described rendering result is that cloud is played up end and played up in conjunction with cloud high precision part model that end prestores according to described description document and play up and obtain.
This three-dimensional cloud rendering system is applied to user terminal.
The present invention also provides the another kind of three-dimensional cloud rendering system based on partial model combination, comprising:
For receiving the module from the download request of user terminal;
For in response to described download request, send cloud to user terminal and play up the module of holding the low precision partial model prestoring;
Describe document and play up the high precision part model that prestores of end in conjunction with cloud and play up the module that obtains rendering result for receiving from user terminal, described description document is for to carry out preview at user terminal to low precision parts, and generates according to preview result;
For sending the module of rendering result to user terminal.
This three-dimensional cloud rendering system is applied to cloud and plays up end.
Compared with prior art, the invention has the advantages that:
User terminal does not need that model to be rendered is uploaded to cloud and plays up end, only uploads and describes document, has greatly reduced the time loss of data transmission, is conducive to improve rendering efficiency, realizes real-time rendering; And play up the end low precision partial model of storage and high precision part model at cloud in advance, form description document at user terminal and utilize low precision partial model, play up end at cloud and utilize high precision part model while playing up, while so both having avoided forming description document, transmit high precision part model, can utilize again high precision part model rendering, ensure rendering accuracy, and can reduce transmission time consumption.
Embodiment
Describe the present invention below in conjunction with specific embodiment.
The three-dimensional cloud rendering intent of the present embodiment and three-dimensional cloud rendering system are applied to the cloud rendering platform that has user terminal and cloud and play up end.In this cloud rendering platform, user terminal and cloud are played up to hold and are carried out data and message exchange by network link.
The present embodiment method can first build a part library and deposit cloud and play up end before playing up, this part library can adopt various data type of the prior art and storage mode, consider its versatility, can adopt the discernible form of existing Three-dimensional Design Software.
Part library comprises some parts, and according to application demand difference, the variety of components in part library also can adjust accordingly.Taking indoor design as example, part library comprises that room, floor, wall, door, window, furniture, family spin (comprising quilt, sheet, headrest etc.), ornament (as calligraphy and painting, photograph etc.), various material pinup picture (as fabric, wood grain etc.).
Each parts are built with low precision partial model and high precision part model, and corresponding low precision partial model and high precision part model is the project file of the 3D geometric model of same parts different accuracy version mutually.For ease of calling high precision part model according to low precision partial model, corresponding low precision partial model and high precision part model has corresponding identifying information mutually.In the present embodiment, identifying information is id information, and corresponding low precision partial model is identical with the id information of high precision part model.
In order to save downloading flow, reduce transmission time consumption, low precision partial model file is less, the parts profile that it comprises and textural characteristics are also relatively less, comparatively speaking, high precision part model more approaches true shape and the superficial makings of parts, and corresponding data amount is also much larger than low precision partial model.With regard to single parts, the data volume size of its low precision partial model is general relevant with complexity and the anticipate accuracy of parts, but also can be limited the file size of low precision partial model according to the offered load ability of application scenario, in like manner also be applicable to the processing of height precision partial model.
In the present embodiment, be the partial model that builds in advance two precision versions, in actual applications, also can build in advance as required the partial model of more versions, to adapt to the offered load ability of user terminal occasion of living in.
The three-dimensional cloud rendering intent of the present embodiment, is first browsed and is pre-stored in cloud and plays up all parts in end and select the parts that need by user terminal in the specific implementation, and after play up end to cloud and send download request to obtain the low precision partial model of required parts.Select the parts that need for ease of user, in the present embodiment, generate corresponding index for all parts in advance, according to these index selection parts, play up end to cloud more afterwards and send download request, to obtain the low precision partial model of selected parts.The form of parts index can be state picture or video cartoon etc., so that online preview.
Taking state picture as example, can be the plurality of pictures generating for all angles of parts, and each frame of video cartoon can be made up of each picture.
The index of all parts, can be both to be derived and obtained by corresponding partial model, also can adopt the modes such as shooting in kind to obtain.If desired can be in conjunction with the explanation of word or audio frequency, make user understand the detailed information such as material, source of these parts.
Play up end to cloud and send after download request, cloud is played up termination and is received the download request from user terminal, and in response to this download request, transfers the low precision partial model of corresponding component, and send to user terminal from part library.
User terminal receives and plays up after the low precision partial model of end from cloud, and low precision partial model is carried out to preview.
The low precision partial model of downloading in the present embodiment comprises that room, floor, wall, door, window, furniture, family are spun, the low precision partial model of ornament.
Partial model (comprising low precision partial model and high precision part model) is generally spatial structure, and there is separately the independently frame of reference, taking arbitrary partial model as example, can choose the initial point that this partial model any point is the frame of reference, for example, taking a certain state (sheet horizontal development state) of this partial model as original state, in subsequent operation process, in the time that this partial model state changes, according to the relative position relation of original state, can obtain the current location of model.
Because each partial model (except room) is to be all placed in room, therefore way is to set up reference frame in the room of original state eaily, all the other each partial models are put into room, also just mean and insert reference frame, thereby be convenient to calculate the position of each partial model in room.
Position in the present embodiment comprises coordinate and angle, and coordinate refers to the coordinate of all parts model in reference frame, and angle refers to the anglec of rotation of each partial model with respect to self frame of reference.
When preview, the low precision partial model of downloading is combined, and show combination after whole structure, according to whole structure, each low precision partial model is carried out to position adjustment (comprising coordinate and angle), position adjustment mainly comprises mobile and rotation operation, until meet design requirement, obtain preview result.
Obtain after preview result, extract id information and the positional information of each low precision partial model in this preview result, and be a row vector by the id information of each low precision partial model and positional information permutation and combination.When arrangement, the order of id information and positional information is without particular/special requirement, but order must ensure that all row vectors are arranged time is consistent.The row vector of all low precision partial models is arranged in to matrix as corresponding description document, and is uploaded to cloud and plays up end.
Describe when document uploading, also in the lump the parameter of playing up of setting is uploaded to cloud and plays up end, this plays up resolution, output format that parameter is rendering result.
Play up parameter and set by user terminal, require and offered load ability according to different playing up, the different parameters of playing up can be set.
Cloud is played up end and is received and describe document and play up the high precision part model that prestores of end in conjunction with cloud and play up and obtain rendering result from user terminal, and concrete operations are:
First resolve describing document, according to putting in order of each row vector in description document, extract and obtain id information corresponding to each row vector and positional information.
Then the id information obtaining according to parsing, play up and end, obtain corresponding high precision part model from being pre-stored in cloud, and the positional information obtaining according to parsing combination obtains model to be rendered, utilize cloud to play up end and treat rending model and enter to play up, and send rendering result to user terminal.The three-dimensional cloud rendering intent of the present embodiment, utilize low precision partial model to form at user terminal and describe document, play up end at cloud and utilize high precision part model while playing up, while so both having avoided forming description document, transmit high precision part model, can utilize again high precision part model rendering, ensure rendering accuracy, reduced transmission time consumption.
A kind of three-dimensional cloud rendering system based on partial model combination of the present embodiment, this three-dimensional cloud rendering system is applied to user terminal, specifically comprises:
Send the module of download request for playing up end to cloud;
Play up the module of holding the low precision partial model prestoring for receiving from cloud;
For low precision partial model is carried out to preview, and generate the corresponding module of describing document and be uploaded to cloud and play up end according to preview result;
Obtain the module of rendering result for play up end from cloud, wherein, rendering result is that cloud is played up end and played up in conjunction with cloud high precision part model that end prestores according to described description document and play up and obtain.
The three-dimensional cloud rendering system of the another kind of the present embodiment based on partial model combination, this three-dimensional cloud rendering system is applied to cloud and plays up end, comprising:
For receiving the module from the download request of user terminal;
For in response to described download request, send cloud to user terminal and play up the module of holding the low precision partial model prestoring;
Play up and hold the high precision part model prestoring to play up the module that obtains rendering result in conjunction with cloud for receive description document from user terminal, wherein, describe document for low precision parts are carried out to preview at user terminal, and generate according to preview result;
For sending the module of rendering result to user terminal.
Above-described embodiment has been described in detail technical scheme of the present invention and beneficial effect; be understood that and the foregoing is only most preferred embodiment of the present invention; be not limited to the present invention; all any amendments of making within the scope of principle of the present invention, supplement and be equal to replacement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. the three-dimensional cloud rendering intent based on partial model combination, is characterized in that, comprising:
Play up end to cloud and send download request;
Receive from cloud and play up the low precision partial model that end prestores;
Low precision partial model is carried out to preview, and generate the corresponding document of describing according to preview result and be uploaded to cloud and play up end;
Play up end from cloud and obtain rendering result, described rendering result is that cloud is played up end and played up in conjunction with cloud high precision part model that end prestores according to described description document and play up and obtain.
2. the three-dimensional cloud rendering intent based on partial model combination as claimed in claim 1, it is characterized in that, described low precision partial model and high precision part model are corresponding one by one, and corresponding low precision partial model and high precision part model has corresponding identifying information mutually.
3. the three-dimensional cloud rendering intent based on partial model combination as claimed in claim 2, is characterized in that, preview process is as follows:
After the low precision partial model combination that will download, show, and obtain corresponding preview result according to the position that the content showing is adjusted each low precision partial model.
4. the three-dimensional cloud rendering intent based on partial model combination as claimed in claim 3, it is characterized in that, described description document comprises identifying information and the positional information of each low precision partial model in preview result, and described positional information comprises coordinate information and angle information.
5. the three-dimensional cloud rendering intent based on partial model combination as claimed in claim 4, is characterized in that, obtains by the following method rendering result:
According to describing document, corresponding high precision part model is pressed to corresponding position grouping, obtain model to be rendered, after playing up, obtain rendering result.
6. the three-dimensional cloud rendering intent based on partial model combination, is characterized in that, comprising:
Receive the download request from user terminal;
In response to described request, send cloud to user terminal and play up the low precision partial model that end prestores;
Receive and describe document and play up the high precision part model that prestores of end in conjunction with cloud and play up and obtain rendering result from user terminal, described description document is for to carry out preview at user terminal to low precision parts, and generates according to preview result;
Send rendering result to user terminal.
7. the three-dimensional cloud rendering system based on partial model combination, is characterized in that, comprising:
Send the module of download request for playing up end to cloud;
Play up the module of holding the low precision partial model prestoring for receiving from cloud;
For low precision partial model is carried out to preview, and generate the corresponding module of describing document and be uploaded to cloud and play up end according to preview result;
Obtain the module of rendering result for play up end from cloud, described rendering result is that cloud is played up end and played up in conjunction with cloud high precision part model that end prestores according to described description document and play up and obtain.
8. the three-dimensional cloud rendering system based on partial model combination, is characterized in that, comprising:
For receiving the module from the download request of user terminal;
For in response to described download request, send cloud to user terminal and play up the module of holding the low precision partial model prestoring;
Describe document and play up the high precision part model that prestores of end in conjunction with cloud and play up the module that obtains rendering result for receiving from user terminal, described description document is for to carry out preview at user terminal to low precision parts, and generates according to preview result;
For sending the module of rendering result to user terminal.
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| CN104200520B (en) | 2017-05-10 |
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