CN104200520B - 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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- CN104200520B CN104200520B CN201410439156.XA CN201410439156A CN104200520B CN 104200520 B CN104200520 B CN 104200520B CN 201410439156 A CN201410439156 A CN 201410439156A CN 104200520 B CN104200520 B CN 104200520B
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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, and in particular to it is a kind of based on partial model combine three-dimensional cloud rendering intent and
Three-dimensional cloud rendering system.
Background technology
Three-dimensional digital model passes through the Three-dimensional Design Software tool makings such as 3dMax, Maya, and by local three-dimensional figure wash with watercolours
Three-dimensional digital model is rendered to the picture with physics true effect by dye engine.Render is that 3-D geometric model is converted into into figure
One process of shape image, is a very time-consuming process to rendering for scene because scene be typically all by
What thousands of three-dimensional surfaces were constituted, with requirement more and more higher of the people to visual effect, the resolution for rendering each time
More and more higher, light and color design conditions also become increasingly complex, and a width picture possibly takes several hours even more
Long-time just can have been rendered, and depended merely on unit and had no idea to meet actual demand improving rendering efficiency.
Although computer cluster group points to rendering task as end is rendered, rendering speed can be greatly improved.But, due to
Automated library system this height, it is difficult to popularize.In recent years, with " the development of cloud computing, based on distributed parallel cluster computing system
Cloud Rendering developed rapidly.The pattern that cloud is rendered is similar with the cloud computing of routine, is provided by third party and is based on
The conduct of cluster computer renders end, rendering program is placed in long-range server (cloud renders end) and is rendered, and user terminal leads to
Cross Web softwares or directly click in local rendering program " cloud an is rendered " button, and by high speed internet by wash with watercolours
Have a finger in every pie order and be sent to cloud and render end, while rendering task (model to be rendered) is sent to into cloud by high speed internet renders end,
Cloud renders termination and receives after render instruction and rendering task, treats rending model according to render instruction and is rendered.
Model (three-dimensional model to be rendered) to be rendered is the basis that cloud is rendered, for describing scene to be rendered, generally by
A large amount of cloud data compositions.With scene update, the locus of each component parts in model to be rendered, orientation angles,
Material conversion etc. is also required to corresponding change.In existing cloud rendering intent, will by high speed internet by user terminal
Model to be rendered is sent to cloud and renders end, wherein, to be rendered can be that user terminal is generated, it is also possible to directly from outside other
Acquire in equipment.It is huge for three-dimensional rendering, the data volume of a usual scene, so cause for transmitting mould to be rendered
The time loss of type is big, it is impossible to meets and renders needs at a high speed, is unfavorable for realizing real-time rendering.
The content of the invention
For the deficiencies in the prior art, the invention provides it is a kind of based on partial model combine three-dimensional cloud rendering intent and
Three-dimensional cloud rendering system.
A kind of three-dimensional cloud rendering intent combined based on partial model, including：
End is rendered to cloud send download request；
Receive and render the low precision components model that end prestores from cloud；
Preview is carried out to low precision components model, and cloud is uploaded to according to the corresponding description document of Preview results generation to render
End；
End being rendered from cloud and obtaining rendering result, the rendering result is that cloud renders end according to the description document with reference to cloud wash with watercolours
The high precision part model that dye end prestores carries out rendering obtaining.
Medium cloud of the present invention renders end for carrying out data storage (including low precision components model and high precision part model)
With render.Cloud renders end and can only include a server (i.e. data storage is completed with rendering by same server), also may be used
So that including multiple stage (two or more) server, wherein at least one is used for data storage, at least one is used to render.
The three-dimensional cloud rendering intent is at user's end when the three-dimensional rendering method is implemented for user terminal
The operating process that end completes.
The three-dimensional cloud rendering intent combined based on partial model of the present invention, from cloud the low precision portion that end download prestores is rendered
Part model to user terminal carries out preview, and the corresponding description document of generation is uploaded to cloud and renders end；In cloud end is rendered according to described
Description document is rendered with reference to cloud holds the high precision part model for prestoring to obtain rendering result and be sent to user terminal.
The three-dimensional cloud rendering intent of the present invention forms the description document for describing model to be rendered and uploads in user terminal
End is rendered to cloud, cloud renders end and describes document according to this and completes to render with reference to corresponding high precision part model, and returns to use
Family terminal.
Compared with prior art, model to be rendered need not be uploaded to cloud and render end by user terminal of the present invention, only be uploaded
Description document, substantially reduces the time loss of data transfer, is conducive to improving rendering efficiency, realizes real-time rendering.And
In advance the low precision components model of end storage and high precision part model are rendered in cloud, in user terminal low precision components model is utilized
Description document is formed, is rendered when end renders using high precision part model in cloud, passed when so both having avoided to form description document
Defeated high precision part model, can utilize high precision part model rendering, it is ensured that rendering accuracy again, and reduction transmission time disappears
Consumption.
For the low precision components model of identical, only download once to user terminal, when being subsequently generated description document
Directly using the low precision components model downloaded, without the need for downloading again.Therefore, the three-dimensional cloud side of rendering of the invention
Method, is particularly suited for the high application scenario of reusability.
Described low precision components model and high precision part model is corresponded, mutually corresponding low precision components model
There is corresponding identification information with high precision part model.
Mutually corresponding low precision components model and high precision part model for the different accuracy of same parts version, with
Identification information indexes each low precision components model and high precision part model, right to guarantee to be determined according to low accuracy model
The high-precision model answered, the identification information of mutually corresponding low precision components model and high precision part model also should be mutually right
Should.Identification information in the present invention can be id information etc..Design field indoors, low precision components model and high precision part
The corresponding part of model includes room, floor, wall, door, window, furniture, home textile, ornament, material pinup picture etc..
Preferably, previews are as follows：
To be shown after the low precision components model combination downloaded, and each low precision portion is adjusted according to the content for showing
The position of part model obtains corresponding Preview results.By preview direct access, each low precision components model is according to different positions
Put whole structure during combination, and then adjust the position of each low precision components model, until meeting needs.For each low essence
The initial position of degree partial model has no characteristic requirements, is specified by user.
Described description document is used to record the identification information of each low precision components model and position letter in Preview results
Breath, the positional information stated includes coordinate information and angle information.
The low precision components model combination of Preview results for obtaining, each low precision components model has corresponding identification information
And position, the Preview results can be described hence with the identification information and positional information of low precision components model.
Further, rendering result is obtained by the following method：
Corresponding high precision part model is pressed by corresponding position grouping according to description document, model to be rendered, Jing is obtained
Rendering result is obtained after rendering.
Required rendering parameter is generally set by user terminal when rendering, and is uploaded to cloud in the lump and is rendered with description document
End uses for rendering.Described rendering parameter includes resolution, quality scale and the output format of rendering result, can be according to demand
Setting.
Present invention also offers another kind of three-dimensional cloud rendering intent based on partial model combination, including：
Receive the download request for carrying out user terminal；
In response to the request, send cloud to user terminal and render the low precision components model that end prestores；
Rendering with reference to cloud from user terminal reception description document holds the high precision part model for prestoring to carry out rendering obtaining wash with watercolours
Dye result, the description document is that low precision components are carried out with preview in user terminal, and is generated according to Preview results；
Rendering result is sent to user terminal.
It for cloud renders end, is rendered in cloud when the three-dimensional rendering method is implemented that the three-dimensional cloud rendering intent is
The operating process that end completes, the specific implementation of each process is identical with above-mentioned three-dimensional cloud rendering intent.
Present invention also offers a kind of three-dimensional cloud rendering system combined based on partial model, including：
For rendering the module that end sends download request to cloud；
For receiving the module that the low precision components model that end prestores is rendered from cloud；
Cloud is uploaded to for preview being carried out to low precision components model, and corresponding description document being generated according to Preview results
Render the module at end；
For rendering the module that end obtains rendering result from cloud, the rendering result is that cloud renders end according to the description text
Shelves are rendered with reference to cloud holds the high precision part model for prestoring to carry out rendering obtaining.
The three-dimensional cloud rendering system is applied to user terminal.
Present invention also offers another kind of three-dimensional cloud rendering system based on partial model combination, including：
For receiving the module of the download request for carrying out user terminal；
For in response to the download request, to user terminal the mould that cloud renders the low precision components model that end prestores being sent
Block；
The high precision part model for prestoring is held to carry out rendering for rendering with reference to cloud from user terminal reception description document
To the module of rendering result, the description document is to carry out preview to low precision components in user terminal, and according to Preview results
Generate；
For sending module of the rendering result to user terminal.
The three-dimensional cloud rendering system is applied to cloud and renders end.
Compared with prior art, it is an advantage of the current invention that：
Model to be rendered need not be uploaded to cloud and render end by user terminal, only upload description document, be greatly reduced
The time loss of data transfer, is conducive to improving rendering efficiency, realizes real-time rendering；And advance rendering in cloud holds the low essence of storage
Degree partial model and high precision part model, form description document and utilize low precision components model in user terminal, render in cloud
Using high precision part model when end renders, high precision part model, and energy were transmitted when so both having avoided to form description document
Enough utilize high precision part model rendering, it is ensured that rendering accuracy, and transmission time consumption can be reduced.
Specific 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 render end with user terminal and cloud
Cloud rendering platform.User terminal and cloud render end and carry out data and information exchange by network link in the cloud rendering platform.
The present embodiment method can first build a part library before rendering and be stored to cloud and render end, and the part library can be adopted
With various data types of the prior art and storage mode, it is contemplated that its versatility, can be soft using existing three dimensional design
The discernible form of part.
Different according to application demand if part library includes dry part, the variety of components in part library can also do corresponding tune
It is whole.By taking indoor design as an example, part library includes that room, floor, wall, door, window, furniture, home textile (including quilt, sheet, are leaned on
Pillow etc.), ornament (such as calligraphy and painting, photograph), various material pinup pictures (such as fabric, wood grain).
Each part is built with low precision components model and high precision part model, mutually corresponding low precision components mould
Type and high precision part model are the project file of the 3D geometric models of same part different accuracy version.For ease of according to low essence
Degree partial model calls high precision part model, and mutually corresponding low precision components model and high precision part model have correspondence
Identification information.Identification information is id information in the present embodiment, and corresponding low precision components model and high precision part mould
The id information of type is identical.
In order to save downloading flow, transmission time consumption is reduced, low precision components model file is less, its part for including
Profile and textural characteristics are also relatively fewer, comparatively speaking, true shape and table of the high precision part model closer to part
Face texture, corresponding data amount is also much larger than low precision components model.For single part, the data of its low precision components model
Amount size is typically relevant with the complexity of part and expected precision, but it is also possible to according to the offered load ability of application scenario
The file size of low precision components model is limited, the process of height precision components model is also applied in the same manner.
It is the partial model for building two precision versions in advance in the present embodiment, in actual applications, it is also possible to according to need
The partial model of more multi version is built in advance, to adapt to the offered load ability of occasion residing for user terminal.
The three-dimensional cloud rendering intent of the present embodiment, first passes through in the specific implementation user terminal and browses and be pre-stored in cloud and render end
In all parts select the part for needing, and after render end to cloud and send download request to obtain the low precision portion of required part
Part model.For ease of the part that user selects to need, it is directed to all parts in the present embodiment in advance and generates corresponding index, according to
The index selection part, renders end and sends download request, to obtain the low precision components model of selected part to cloud again afterwards.Portion
The form of part index can be state picture or video cartoon etc., in order to online preview.
Can be the plurality of pictures generated for all angles of part by taking state picture as an example, and video cartoon is every
One frame can be made up of each picture.
The index of all parts, both can be to derive to obtain by corresponding partial model, it would however also be possible to employ material object shoots
Obtain etc. mode.With reference to the explanation of word or audio frequency user can be made to understand the details such as the material of the part, source letter if necessary
Breath.
End is rendered to cloud to send after download request, cloud is rendered to hold and receives the download request for carrying out user terminal, and in response to
The download request, transfers the low precision components model of corresponding component from part library, and sends to user terminal.
User terminal is received after the low precision components model that end is rendered from cloud, and to low precision components model preview is carried out.
The low precision components model downloaded in the present embodiment includes room, floor, wall, door, window, furniture, home textile, decoration
The low precision components model of thing.
Partial model (including low precision components model and high precision part model) is usually stereochemical structure, and with respective
The independent frame of reference, by taking either component model as an example, can choose coordinate system on the basis of the partial model any point
Origin, a certain state (such as sheet horizontal development state) with the partial model as original state, during subsequent operation,
When the partial model state changes, according to the relative position relation with original state, it is possible to obtain the present bit of model
Put.
Because each partial model (in addition to room) is all located in room, therefore eaily way is in initial shape
Reference frame is set up in the room of state, remaining each partial model is put into room, also implies that and inserts reference frame, so as to
It is easy to calculate each partial model position in a room.
Position in the present embodiment includes coordinate and angle, and coordinate refers to seat of all parts model in reference frame
Mark, angle refers to the anglec of rotation of each partial model relative to reference itself coordinate system.
During preview, the low precision components model downloaded is combined, and shows the whole structure after combination, according to entirety
Effect carries out position adjustment (including coordinate and angle) to each low precision components model, and position adjustment mainly includes mobile and revolves
Turn operation, until meeting design requirement, that is, obtain Preview results.
After obtaining Preview results, the id information and positional information of each low precision components model in the Preview results is extracted,
And by the id information and positional information permutation and combination of each low precision components model be a row vector.During arrangement, id information
With the order of positional information without particular/special requirement, but order when must assure that all of row vector is arranged is consistent.Will be all
The row vector of low precision components model is arranged in matrix i.e. as corresponding description document, and is uploaded to cloud and renders end.
When description document is uploaded, also in the lump the rendering parameter of setting is uploaded to into cloud and renders end, the rendering parameter is wash with watercolours
Resolution, the output format of dye result.
Rendering parameter is set by user terminal, according to different rendering requirements and offered load ability, can arrange difference
Rendering parameter.
Cloud renders to hold from user terminal reception description document to be rendered with reference to cloud holds the high precision part model for prestoring to carry out wash with watercolours
Dye obtains rendering result, and concrete operations are：
Parse to describing document first, put in order according to each row vector in description document, extraction obtains every
The corresponding id information of individual row vector and positional information.
Then according to the id information that obtains of parsing, corresponding high precision part model is obtained from being pre-stored in cloud and rendering in end,
And the positional information combination obtained according to parsing obtains model to be rendered, renders end using cloud and treats rending model and enters to render, and
Rendering result is sent to user terminal.The three-dimensional cloud rendering intent of the present embodiment, in user terminal low precision components model is utilized
Description document is formed, is rendered when end renders using high precision part model in cloud, passed when so both having avoided to form description document
Defeated high precision part model, can utilize high precision part model rendering, it is ensured that rendering accuracy again, reduce transmission time and disappear
Consumption.
A kind of three-dimensional cloud rendering system combined based on partial model of the present embodiment, the three-dimensional cloud rendering system is applied to
User terminal, specifically includes：
For rendering the module that end sends download request to cloud；
For receiving the module that the low precision components model that end prestores is rendered from cloud；
Cloud is uploaded to for preview being carried out to low precision components model, and corresponding description document being generated according to Preview results
Render the module at end；
For rendering the module that end obtains rendering result from cloud, wherein, rendering result is that cloud renders end according to the description
Document is rendered with reference to cloud holds the high precision part model for prestoring to carry out rendering obtaining.
Three-dimensional cloud rendering system of the another kind of the present embodiment based on partial model combination, the three-dimensional cloud rendering system application
End is rendered in cloud, including：
For receiving the module of the download request for carrying out user terminal；
For in response to the download request, to user terminal the mould that cloud renders the low precision components model that end prestores being sent
Block；
The high precision part model for prestoring is held to carry out rendering for rendering with reference to cloud from user terminal reception description document
To the module of rendering result, wherein, description document is to carry out preview to low precision components in user terminal, and according to Preview results
Generate；
For sending module of the rendering result to user terminal.
Above-described specific embodiment has been described in detail to technical scheme and beneficial effect, Ying Li
Solution is to the foregoing is only presently most preferred embodiment of the invention, is not limited to the present invention, all principle models in the present invention
Interior done any modification, supplement and equivalent etc. are enclosed, be should be included within the scope of the present invention.
Claims (5)
1. it is a kind of based on partial model combine three-dimensional cloud rendering intent, it is characterised in that include：
End is rendered to cloud send download request；
Receive and render the low precision components model that end prestores from cloud；
Preview is carried out to low precision components model, and cloud is uploaded to according to the corresponding description document of Preview results generation to render end；
From cloud render end obtain rendering result, the rendering result be cloud render end according to it is described description document render end with reference to cloud
The high precision part model for prestoring carries out rendering obtaining；
Previews are as follows：
To be shown after the low precision components model combination downloaded, and each low precision components mould is adjusted according to the content for showing
The position of type obtains corresponding Preview results；
Described description document includes the identification information and positional information of each low precision components model in Preview results, described
Positional information includes coordinate information and angle information；
Rendering result is obtained by the following method：
Corresponding high precision part model is pressed by corresponding position grouping according to description document, model to be rendered is obtained, it is rendered
After obtain rendering result.
2. it is as claimed in claim 1 to be based on the three-dimensional cloud rendering intent that partial model is combined, it is characterised in that described low essence
Degree partial model and high precision part model are corresponded, mutually corresponding low precision components model and high precision part model tool
There is corresponding identification information.
3. it is a kind of based on partial model combine three-dimensional cloud rendering intent, it is characterised in that include：
Receive the download request for carrying out user terminal；
In response to the request, send cloud to user terminal and render the low precision components model that end prestores；
Description document being received from user terminal and rendering the high precision part model that prestores of end with reference to cloud and carry out rendering obtain rendering knot
Really, the description document is that low precision components are carried out with preview in user terminal, and is generated according to Preview results；
Rendering result is sent to user terminal；
Described description document includes the identification information and positional information of each low precision components model in Preview results, described
Positional information includes coordinate information and angle information；
Rendering result is obtained by the following method：
Corresponding high precision part model is pressed by corresponding position grouping according to description document, model to be rendered is obtained, it is rendered
After obtain rendering result.
4. it is a kind of based on partial model combine three-dimensional cloud rendering system, it is characterised in that include：
For rendering the module that end sends download request to cloud；
For receiving the module that the low precision components model that end prestores is rendered from cloud；
Render for preview being carried out to low precision components model, and cloud being uploaded to according to the corresponding description document of Preview results generation
The module at end；
For rendering the module that end obtains rendering result from cloud, the rendering result is that cloud renders end according to the description document knot
Conjunction cloud is rendered holds the high precision part model for prestoring to carry out rendering obtaining；
Previews are as follows：
To be shown after the low precision components model combination downloaded, and each low precision components mould is adjusted according to the content for showing
The position of type obtains corresponding Preview results；
Described description document includes the identification information and positional information of each low precision components model in Preview results, described
Positional information includes coordinate information and angle information；
Rendering result is obtained by the following method：
Corresponding high precision part model is pressed by corresponding position grouping according to description document, model to be rendered is obtained, it is rendered
After obtain rendering result.
5. it is a kind of based on partial model combine three-dimensional cloud rendering system, it is characterised in that include：
For receiving the module of the download request for carrying out user terminal；
For in response to the download request, to user terminal the module that cloud renders the low precision components model that end prestores being sent；
The high precision part model for prestoring is held to carry out rendering obtaining wash with watercolours for rendering with reference to cloud from user terminal reception description document
The module of dye result, the description document is that low precision components are carried out with preview in user terminal, and is generated according to Preview results；
For sending module of the rendering result to user terminal；
Described description document includes the identification information and positional information of each low precision components model in Preview results, described
Positional information includes coordinate information and angle information；
Rendering result is obtained by the following method：
Corresponding high precision part model is pressed by corresponding position grouping according to description document, model to be rendered is obtained, it is rendered
After obtain rendering result.
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| CN106157366A (en) * | 2016-08-03 | 2016-11-23 | 上海同筑信息科技有限公司 | Ultra-large scene based on BIM renders optimization method and system in mobile terminal |
| CN107174825A (en) * | 2017-04-28 | 2017-09-19 | 苏州蜗牛数字科技股份有限公司 | A kind of remote image method for reconstructing and system based on model |
| CN108171783A (en) | 2018-03-20 | 2018-06-15 | 联想(北京)有限公司 | Image rendering method, system and electronic equipment |
| CN109360259A (en) * | 2018-10-15 | 2019-02-19 | 深圳市瑞云科技有限公司 | A kind of cloud rendering method of the synergetic office work of buildings model |
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