CN106970804A - A kind of method and device for the webpage loading for realizing threedimensional model - Google Patents
A kind of method and device for the webpage loading for realizing threedimensional model Download PDFInfo
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Abstract
The invention discloses the method and device that the webpage of threedimensional model is loaded is realized, wherein method is decomposed threedimensional model according to its package assembly, forms the first submodel block of at least one, and the memory space of the first submodel block of acquisition；The memory space of first submodel block is compared with predefined memory space threshold value successively；When the memory space of the first submodel block is less than or equal to predefined memory space threshold value, then enter row format conversion to the first submodel block, the memory space for being converted to the first submodel block is less than the second storage format module of the first storage format；By the second storage format module after conversion, it is loaded into successively in the three-dimensional scenic of the page.Browser is caused to collapse present invention, avoiding whole threedimensional model loading in the prior art, and can not the problem of operation to threedimensional model of smoothness.
Description
Technical field
The present invention relates to threedimensional model loading technique field, add more particularly, to a kind of webpage for realizing threedimensional model
The method and device of load.
Background technology
With the development of computer technology and GIS technology, 3-D technology is continuously available the popularization of numerous areas, wherein, lead to
Cross objective vivid three-dimensional scenic simulation true environment, give it is true to nature intuitively show, be the part that user pays special attention to.And
Based on the limitation of browser itself, how displaying smooth in web page and the large-scale threedimensional model of operation become the neck
Field technique personnel key problem of interest.
, there are problems in existing threedimensional model loading technique, in practical operation due to by browser and video card
Energy power restriction, normally can only be loaded and be rendered to small-sized threedimensional model and scene in page end at present；If with now
There is technology to load larger model, the ability to bear of video card can be exceeded, so that model loading is slow, or even browser occur
The situation of collapse.And the model fine to very big scene or comparison is generally required in reality and is loaded, by existing
There is loading technique that loading can only be caused to fail.
At present, even if large-scale threedimensional model can successfully be loaded in webpage, but also can for the operation of threedimensional model
There is interim card, even it is basic scale, mobile and rotation process smooth can not all be completed, sometimes one operation may need tens
Even longer time second.
Therefore it provides a kind of method and device for the webpage loading for realizing threedimensional model, solves in the prior art whole three
Dimension module loading causes browser to collapse, and can not be smooth the problem of operation to threedimensional model, be that this area is urgently solved
Certainly the problem of.
The content of the invention
In view of this, the method and device of the webpage loading for realizing threedimensional model the invention provides a kind of, it is to avoid existing
There is whole threedimensional model loading in technology to cause browser to collapse, and can not the problem of operation to threedimensional model of smoothness.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of method for the webpage loading for realizing threedimensional model, and it is special
Levy and be, including：
The threedimensional model is decomposed according to its package assembly, the first submodel block of at least one is formed, and is obtained
Take the memory space of the first submodel block；Wherein, the storage format of the first submodel block is the first storage format；
The memory space of the first submodel block is compared with predefined memory space threshold value successively；
When the memory space of the first submodel block is less than or equal to the predefined memory space threshold value, then to described
First submodel block enters row format conversion, and the memory space for being converted to the first submodel block is less than first storage format
The second storage format module；
When the memory space of the first submodel block is more than the predefined memory space threshold value, then to described first
Submodel block is decomposed again according to its coordinate position, forms the second submodel block of at least one, and obtains described second
The memory space of submodel block；Wherein, the form of the memory space of the second submodel block is set to and first submodule
The form identical form of the memory space of type block；
The memory space of the second submodel block is compared with the predefined memory space threshold value successively；
When the memory space of the second submodel block is more than the predefined memory space threshold value, then by described second
Submodel block is decomposed again according to its coordinate position, and the memory space for being decomposed into the second submodel block is respectively less than and is equal to
The predefined memory space threshold value；
When the memory space of the second submodel block is less than or equal to the predefined memory space threshold value, carry out described
The decomposition of threedimensional model, and the second submodel block is entered into row format conversion, be converted to the storage of the second submodel block
Space is less than the second storage format module of first storage format；
By the second storage format module after conversion, it is loaded into successively in the three-dimensional scenic of the page.
Further, in addition to：
Information extraction is carried out to the second storage format module after loading, its relative coordinate date is obtained, wherein, institute
Stating the second storage format module includes its relative coordinate date；
With reference to the relative co-ordinate information, the second storage format module is reconfigured on the page.
In some optional embodiments, by the first submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion, including：In the modular converter, by input file conversion instruction, by first submodel
First storage format described in block is converted to the second storage format module；Wherein, the file conversion instruction includes：First son
The storage mesh of the second storage format module after storage catalogue and the form conversion of first storage format of model block
Record.
In some optional embodiments, by the second submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion, including：In the modular converter, by input file conversion instruction, by second submodel
First storage format described in block is converted to the second storage format module；Wherein, the file conversion instruction includes：Second son
The storage mesh of the second storage format module after storage catalogue and the form conversion of first storage format of model block
Record.
A kind of device for the webpage loading for realizing threedimensional model, it is characterised in that the device includes：Threedimensional model decomposes single
Member, the first submodel block comparison unit, the first submodel block format converting unit, the first submodel block resolving cell, the second son
Model block comparison unit, the second submodel block resolving cell, the second submodel block format converting unit and loading unit, wherein；
The threedimensional model resolving cell is connected with the first submodel block comparison unit, for by the three-dimensional mould
Type is decomposed according to its package assembly, forms the first submodel block of at least one, and obtains the first submodel block
Memory space；Wherein, the storage format of the first submodel block is the first storage format；
The first submodel block comparison unit turns with the threedimensional model resolving cell, the first submodel block format
Unit is changed with the first submodel block resolving cell to be connected, for by the memory space of the first submodel block successively with
Predefined memory space threshold value is compared；
The first submodel block format converting unit and the first submodel block comparison unit and the loading
Unit is connected, and is used for：When the first submodel block memory space be less than or equal to the predefined memory space threshold value,
Then enter row format conversion to the first submodel block, the memory space for being converted to the first submodel block is less than described first
Second storage format module of storage format；
The first submodel block resolving cell and the first submodel block comparison unit and the second submodel block
Comparison unit is connected, and is used for：When the first submodel block memory space be more than the predefined memory space threshold value,
Then the first submodel block is decomposed again according to its coordinate position, the second submodel block of at least one is formed, and
Obtain the memory space of the second submodel block；Wherein, the form of the memory space of the second submodel block be set to
The form identical form of the memory space of the first submodel block；
The second submodel block comparison unit and the first submodel block resolving cell, the second submodel block point
Solution unit be connected with the second submodel block format converting unit, for by the memory space of the second submodel block according to
It is secondary to be compared with the predefined memory space threshold value；
The second submodel block resolving cell and the second submodel block comparison unit and the second submodel block
Format conversion unit is connected, and is used for：When the memory space of the second submodel block is more than the predefined memory space
Threshold value, then decomposed the second submodel block according to its coordinate position again, is decomposed into the second submodel block
Memory space, which is respectively less than, is equal to the predefined memory space threshold value；
The second submodel block format converting unit and the second submodel block comparison unit, second submodel
Block resolving cell is connected with the loading unit, is used for：When the memory space of the second submodel block is less than or equal to make a reservation for
The memory space threshold value of justice, carries out the decomposition of the threedimensional model, and the second submodel block is entered into row format conversion,
The memory space for being converted to the second submodel block is less than the second storage format module of first storage format；
The loading unit is changed with the first submodel block format converting unit and the second submodel block format
Unit is connected, for by the second storage format module after conversion, being loaded into successively in the three-dimensional scenic of the page.
Further, the device also includes：Information extraction unit and computing with words unit, wherein；
Described information extraction unit is connected with the loading unit and described information recomposition unit, after to loading
The second storage format module carries out information extraction, obtains its relative coordinate date, wherein, the second storage format module
Including its relative coordinate date；
Described information recomposition unit is connected with described information extraction unit, for reference to the relative co-ordinate information,
The second storage format module is reconfigured on the page.
In some optional embodiments, the first submodel block format converting unit, further for：First son
Model block format conversion unit, is used for：In the modular converter, by input file conversion instruction, by first submodel
First storage format described in block is converted to the second storage format module；Wherein, the file conversion instruction includes：First son
The storage mesh of the second storage format module after storage catalogue and the form conversion of first storage format of model block
Record.
In some optional embodiments, the second submodel block format converting unit, further for：Second son
Model block format conversion unit, is used for：In the modular converter, by input file conversion instruction, by second submodel
First storage format described in block is converted to the second storage format module；Wherein, the file conversion instruction includes：Second son
The storage mesh of the second storage format module after storage catalogue and the form conversion of first storage format of model block
Record.
Compared with prior art, the method and device of the webpage for realizing threedimensional model loading of the invention, is realized as follows
Beneficial effect：
(1) method and device of the webpage loading of the present invention for realizing threedimensional model, by being carried out to threedimensional model
After decomposition and form conversion, then the page loading of model is carried out one by one, on the one hand can reduce computing and the wash with watercolours of video card and browser
The pressure of dye, the operation to model is more smooth, on the other hand avoids whole threedimensional model loading and causes what browser collapsed
Problem.
(2) it is of the present invention realize threedimensional model webpage loading method and device, by threedimensional model by
Secondary decompose obtains the first submodel block and the second submodel block that memory space is less than predefined memory space threshold value, and by the
One submodel block and the second submodel block are converted to the second smaller storage format module of memory space, to greatest extent by three-dimensional
Model decomposition is the second storage format module of minimized storage space so that browser can easily load large-scale model, and
And can be smooth operation large-scale model.
Certainly, implement the present invention any product must not specific needs simultaneously reach all the above technique effect.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is the schematic flow sheet of the method for the webpage for the realizing threedimensional model loading that the embodiment of the present invention 1 is provided；
Fig. 2 is the schematic flow sheet of the method for the webpage for the realizing threedimensional model loading that the embodiment of the present invention 2 is provided；
Fig. 3 is the structural representation of the device for the webpage for the realizing threedimensional model loading that the embodiment of the present invention 3 is provided；
Fig. 4 is the structural representation of the device for the webpage for the realizing threedimensional model loading that the embodiment of the present invention 4 is provided.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Embodiment 1
As shown in figure 1, the method for the webpage for the realizing threedimensional model loading that the present embodiment 1 is provided, comprises the following steps：
Step 101, the threedimensional model decomposed according to its package assembly, form the first submodel of at least one
Block, and obtain the memory space of the first submodel block；
Wherein, the storage format of the first submodel block is the first storage format.
Specifically, when client needs to load threedimensional model on webpage, to avoid loading whole model
The problems such as caused webpage collapse, deadlock, accordingly, it would be desirable to be decomposed to threedimensional model, form the first submodule of at least one
Type block, is easy to the later stage gradually to load, so as to mitigate the computing of video card and browser and render pressure, it is ensured that the loading velocity of model
And the fluency of operation.
Step 102, the memory space of the first submodel block compared with predefined memory space threshold value successively
Compared with.
Specifically, to ensure loading velocity of the first submodel block in webpage described in the later stage, normal net can be achieved in setting
The predefined memory space threshold value of page loading, passes through the memory space by the first obtained submodel block is decomposed in step 101
It is compared with predefined memory space threshold value, to judge whether the first submodel block meets the bar of later stage webpage loading
Part.
Step 103, when the first submodel block memory space be less than or equal to the predefined memory space threshold value,
Then enter row format conversion to the first submodel block, the memory space for being converted to the first submodel block is less than described first
Second storage format module of storage format.
If specifically, the memory space of the first submodel block be less than or equal to the predefined memory space threshold value,
Then explanation decomposes the first obtained submodel block, and the normal fortune of video card and browser can be ensured during later stage webpage is loaded
Turn.When carrying out webpage loading due to threedimensional model, the storage format of a variety of models is supported, threedimensional model decomposes described the obtained
The file storage of one storage format is larger, in order to improve the loading velocity of later stage model, can be to the first submodel block
Enter row format conversion, the memory space for being converted to the first submodel block is less than the second storage lattice of first storage format
Formula module；Wherein described second storage format module equally meets the form of threedimensional model webpage loading.
Step 104, when the first submodel block memory space be more than the predefined memory space threshold value, then it is right
The first submodel block is decomposed again according to its coordinate position, forms the second submodel block of at least one, and is obtained
The memory space of the second submodel block；Wherein, the form of the memory space of the second submodel block be set to it is described
The form identical form of the memory space of first submodel block.
If specifically, the memory space of the first submodel block is more than the predefined memory space threshold value, saying
The bright memory space for decomposing the first obtained submodel block is excessive, if directly carry out webpage loading, can influence video card and clear
Look at the running efficiency of device, it is possible to the phenomenons such as interim card occur.Therefore it can be done again according to the coordinate position of the first submodel block
It is secondary to decompose, form the second submodel block of at least one.
Step 105, the memory space of the second submodel block entered with the predefined memory space threshold value successively
Row compares.
Specifically, to ensure loading velocity of the second submodel block in webpage described in the later stage, by by step 104 points
The memory space for the second submodel block that solution is obtained is compared with the predefined memory space threshold value set,
To judge whether the second submodel block meets the condition of later stage webpage loading.
Step 106, when the second submodel block memory space be more than the predefined memory space threshold value, then will
The second submodel block is decomposed again according to its coordinate position, and the memory space for being decomposed into the second submodel block is equal
Less than or equal to the predefined memory space threshold value.
Specifically, when being decomposed to the second submodel block, Cycle-decomposition program can be set, when in step 105
When decomposing the memory space of obtained the second submodel block still greater than the predefined memory space threshold value, then continuation pair
The second submodel block is decomposed again according to its coordinate position, until decomposing depositing for obtained the second submodel block
Store up space and be respectively less than and be equal to the predefined memory space threshold value, just stop the disintegration of the step.
Step 107, when the second submodel block memory space be less than or equal to the predefined memory space threshold value,
The decomposition of the threedimensional model is carried out, and the second submodel block is entered into row format conversion, second submodel is converted to
The memory space of block is less than the second storage format module of first storage format.
Specifically, working as the second submodel block memory space is less than or equal to the predefined memory space threshold value, then
The normal of video card and browser can be ensured during later stage webpage is loaded by illustrating to decompose obtained the second submodel block
Operating, now, completes the decomposable process of the threedimensional model.When carrying out webpage loading due to threedimensional model, a variety of models are supported
Storage format, it is larger to decompose the obtained file storage of the second submodel block to the first submodel block, in order to carry
The loading velocity of high later stage model, row format conversion can be entered to the second submodel block, the second submodel block is converted to
Memory space be less than first storage format the second storage format module；Wherein described second storage format module is same
Meet the form of threedimensional model webpage loading.
Step 108, by the second storage format module after conversion, be loaded into successively in the three-dimensional scenic of the page.
Alternatively, the second storage format module can be loaded into the page successively by the present embodiment by loader interface
In three-dimensional scenic, because the second storage format module has sufficiently small memory space, therefore in the process loaded successively
In, the pressure that the computing of video card and browser can be substantially reduced and rendered, and shorten the load time, while also avoid plus
The problem of browser collapses during load.
Embodiment 2
As shown in Fig. 2 the method for the webpage for the realizing threedimensional model loading that the present embodiment 2 is provided, comprises the following steps：
Step 201, the threedimensional model decomposed according to its package assembly, form the first submodel of at least one
Block, and obtain the memory space of the first submodel block；
Wherein, the storage format of the first submodel block is the first storage format.
Specifically, when client needs to load threedimensional model on webpage, to avoid loading whole model
The problems such as caused webpage collapse, deadlock, accordingly, it would be desirable to be decomposed to the threedimensional model, form at least one first
Submodel block, is easy to the later stage gradually to load, so as to mitigate the computing of video card and browser and render pressure, it is ensured that the loading of model
Speed and the fluency of operation.
Alternatively, the present embodiment can using Blender three-dimensional softwares (Blender be it is a increase income cross-platform all-round three
Tie up animation soft), the threedimensional model is decomposed, specifically：The threedimensional model, will by different structure compositions
The threedimensional model is inputted in the Blender three-dimensional softwares, according to the package assembly of the threedimensional model be broken down into
The first few one submodel block, while obtaining the memory space of the first submodel block, is obtained as the later stage to decomposition
The basis for estimation of the first submodel block.
Step 202, the memory space of the first submodel block compared with predefined memory space threshold value successively
Compared with.
Specifically, to ensure loading velocity of the first submodel block in webpage described in the later stage, it is three-dimensional in the Blender
The predefined memory space threshold value that normal webpage loading can be achieved is set in software, by will decompose what is obtained in step 201
The memory space of the first submodel block is compared with the predefined memory space threshold value, to judge first son
Whether model block meets the condition of later stage webpage loading.
Step 203, when the first submodel block memory space be less than or equal to the predefined memory space threshold value,
Then enter row format conversion to the first submodel block, the memory space for being converted to the first submodel block is less than described first
Second storage format module of storage format.
If specifically, the memory space of the first submodel block be less than or equal to the predefined memory space threshold value,
Then explanation decomposes obtained the first submodel block, and video card and browser can be being ensured just during later stage webpage is loaded
Often operating.When carrying out webpage loading due to the threedimensional model, the storage format of a variety of models is supported, and in the Blender
The file storage that obtained first storage format is decomposed in three-dimensional software is larger, in order to improve the loading of later stage model
Speed, can enter row format conversion to the first submodel block, and the memory space for being converted to the first submodel block is less than institute
State the second storage format module of the first storage format；Wherein described second storage format module equally meets the threedimensional model
The form of webpage loading.
In some optional embodiments, by the first submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion；In the modular converter, by input file conversion instruction, by described in the first submodel block
First storage format is converted to the second storage format module；Wherein, the file conversion instruction includes：The first submodel block
First storage format storage catalogue and form conversion after the second storage format module storage catalogue.
Optionally, the form conversion of the first submodel block described in the present embodiment can use Three.js technologies (three.js
It is a operation 3D engines in a browser, available for creating various three-dimensional scenics) format converting module that carries：
Carried out in convert_obj_three.p；Specifically, when carrying out webpage loading to the threedimensional model, supporting a variety of models
Storage format is such as：Obj, json and js etc., wherein minimum with the file storage of js forms.And to described three in step 201
First storage format that dimension module decomposes obtained the first submodel block is obj forms, the file storage of the form
Space is larger, in order to improve the loading velocity of later stage model, by Three.js format converting modules input instruction by institute
The obj forms for stating the first submodel block are converted to js forms, and wherein input instruction is：python xxx\convert_obj_
Three.py-i xxx MAG.obj-o xxx MAG.js, so that the first storage format of obj forms is converted into js forms
Second storage format module.
Step 204, when the first submodel block memory space be more than the predefined memory space threshold value, then it is right
The first submodel block is decomposed again according to its coordinate position, forms the second submodel block of at least one, and is obtained
The memory space of the second submodel block；Wherein, the form of the memory space of the second submodel block be set to it is described
The form identical form of the memory space of first submodel block.
If specifically, the memory space of the first submodel block is more than the predefined memory space threshold value, saying
The bright memory space for decomposing the first obtained submodel block is excessive, if directly carry out webpage loading, can influence video card and clear
Look at the running efficiency of device, it is possible to the phenomenons such as interim card occur.Therefore it can be done again according to the coordinate position of the first submodel block
It is secondary to decompose, form the second submodel block of at least one.
Optionally, the present embodiment is decomposed again to the first submodel block according to its coordinate position, equally can be
Carried out in the Blender three-dimensional softwares, while the memory space of the second submodel block is obtained, as the later stage to decomposing
The basis for estimation of the second submodel block arrived.
Step 205, the memory space of the second submodel block entered with the predefined memory space threshold value successively
Row compares.
Specifically, to ensure loading velocity of the second submodel block in webpage described in the later stage, by by step 204 points
The memory space for the second submodel block that solution is obtained and the predefined memory space threshold value set are carried out
Compare, to judge whether the second submodel block meets the condition of later stage webpage loading.
Step 206, when the second submodel block memory space be more than the predefined memory space threshold value, then will
The second submodel block is decomposed again according to its coordinate position, and the memory space for being decomposed into the second submodel block is equal
Less than or equal to the predefined memory space threshold value.
Specifically, in the Blender three-dimensional softwares, Cycle-decomposition program can be set, obtained when being decomposed in step 205
The second submodel block memory space still greater than the predefined memory space threshold value when, the Blender is three-dimensional
Software continues to decompose the second submodel block again according to its coordinate position, second son obtained until decomposing
The memory space of model block, which is respectively less than, is equal to the predefined memory space threshold value, just stops the disintegration of the step.
Step 207, when the second submodel block memory space be less than or equal to the predefined memory space threshold value,
The decomposition of the threedimensional model is carried out, and the second submodel block is entered into row format conversion, second submodel is converted to
The memory space of block is less than the second storage format module of first storage format.
Specifically, working as the second submodel block memory space is less than or equal to the predefined memory space threshold value, then
The normal of video card and browser can be ensured during later stage webpage is loaded by illustrating to decompose obtained the second submodel block
Operating, now, completes the decomposable process of the threedimensional model.When carrying out webpage loading due to threedimensional model, a variety of models are supported
Storage format, and the file storage of obtained the second submodel block is decomposed in the Blender three-dimensional softwares
It is larger, in order to improve the loading velocity of later stage model, row format conversion can be entered to the second submodel block, described the is converted to
The memory space of two submodel blocks is less than the second storage format module of first storage format；Wherein described second storage lattice
Formula module equally meets the form of threedimensional model webpage loading.
In some optional embodiments, by the second submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion；In the modular converter, by input file conversion instruction, by described in the second submodel block
First storage format is converted to the second storage format module；Wherein, the file conversion instruction includes：The second submodel block
First storage format storage catalogue and form conversion after the second storage format module storage catalogue.
Optionally, the form that the form conversion of the second submodel block described in the present embodiment can be carried using Three.js technologies
Modular converter：Carried out in convert_obj_three.p；Specifically, when carrying out webpage loading to the threedimensional model, supporting
A variety of model storage formats are such as：Obj, json and js etc., wherein minimum with the file storage of js forms.And in step 204
The first storage format that obtained the second submodel block is decomposed to the first submodel block is obj forms, the form
File storage is larger, in order to improve the loading velocity of later stage model, by being inputted in Three.js format converting modules
The obj forms of the second submodel block are converted to js forms by instruction, and wherein input instruction is：python xxx\
Convert_obj_three.py-i xxx MAG.obj-o xxx MAG.js so that by the first storage format of obj forms turn
It is changed to the second storage format module of js forms.
Step 208, by the second storage format module after conversion, be loaded into successively in the three-dimensional scenic of the page.
Alternatively, the present embodiment can use the loader interface that Three.js technologies are provided by the second storage format mould
Block is loaded into the three-dimensional scenic of the page successively, because the second storage format module has sufficiently small memory space, because
This can be substantially reduced the on-load pressure of video card and browser during loading successively, shorten the load time, while also keeping away
The problem of browser collapses when having exempted from loading.
Step 209, to after loading the second storage format module carry out information extraction, obtain its relative coordinate number
According to, wherein, the second storage format module includes its relative coordinate date.
After the second storage format module is loaded on the page successively by the loader interface of Three.js technologies,
The information extraction modules that Three.js technologies are carried can carry out information extraction to the second storage format module.
Step 210, with reference to the relative co-ordinate information, the second storage format module is weighed on the page
Combination nova.
Using Three.js technologies and with reference to the relative coordinate date of the second storage format module, by the institute after loading
State the second storage format module to be reconfigured on the page, so as to show the threedimensional model on the page.Due to the page
The threedimensional model of display is made up of multiple second storage format modules, when being zoomed in and out to the threedimensional model,
Rotation etc. operation when, due to each described second storage format module in same page scene, therefore the behaviour received
It is the same to make instruction, therefore the scaling of each the second storage format module or rotation are to carry out simultaneously, thus may be used
To greatly shorten the time that threedimensional model is rendered again, operate also than smoother.
The present invention both can guarantee that the successful loading and display of large-scale three dimensional model, and the operation of energy Optimized model, also simultaneously
The stability of model is can guarantee that, the problem of being not in browser interim card and collapse.
Embodiment 3
As shown in figure 3, the device for the webpage for the realizing threedimensional model loading that the present embodiment 3 is provided, including：Threedimensional model
Resolving cell 301, the first submodel block comparison unit 302, the first submodel block format converting unit 303, the first submodel block
Resolving cell 304, the second submodel block comparison unit 305, the second submodel block resolving cell 306, the second submodel block format
Converting unit 307 and loading unit 308, wherein；
The threedimensional model resolving cell 301 is connected with the first submodel block comparison unit 302, for by described in
Threedimensional model is decomposed according to its package assembly, is formed the first submodel block of at least one, is easy to the later stage gradually to load, from
And mitigate the computing of video card and browser and render pressure, it is ensured that the loading velocity of model and the fluency of operation, obtain simultaneously
The memory space of the first submodel block, the basis for estimation of the first submodel block obtained as the later stage to decomposition；Its
In, the storage format of the first submodel block is the first storage format；By depositing for the first submodel block acquired
Spatial data transmission is stored up to the first submodel block comparison unit 302.
The first submodel block comparison unit 302 and the threedimensional model resolving cell 301, the first submodel block
Format conversion unit 303 is connected with the first submodel block resolving cell 304, to ensure the first submodel block described in the later stage
The predefined memory space threshold value of normal webpage loading can be achieved in loading velocity in webpage, setting, when the described first son
Model block comparison unit 302 receives the memory space for the first submodel block for stating the transmission of threedimensional model resolving cell 301
After data, for the memory space of the first submodel block to be compared with predefined memory space threshold value successively, with
Judge whether the first submodel block meets the condition of later stage webpage loading；And transmit comparative result to first submodule
Type block format converting unit 303 and the first submodel block resolving cell 304.
The first submodel block format converting unit 303 and the first submodel block comparison unit 302 and it is described plus
Carrier unit 308 is connected, and is used for：When the memory space of the first submodel block is less than or equal to the predefined memory space
Threshold value, then the first submodel block that explanation decomposition is obtained can ensure video card during later stage webpage is loaded and browse
The normal operation of device.When carrying out webpage loading due to the threedimensional model, the storage format of a variety of models is supported, and decomposes and obtains
First storage format file storage it is larger, in order to improve the loading velocity of later stage model, then to described first
Submodel block enters row format conversion, and the memory space for being converted to the first submodel block is less than the of first storage format
Two storage format modules, wherein the second storage format module equally meets the form of threedimensional model webpage loading；Will conversion
Obtained the second storage format module is sent to the loading unit 308.
The first submodel block resolving cell 304 and the first submodel block comparison unit 302 and second son
Model block comparison unit, which is connected, 305 to be connected, and is used for：When the memory space of the first submodel block is more than predefined institute
Memory space threshold value is stated, then the memory space for the first submodel block that explanation decomposition is obtained is excessive, added if directly carrying out webpage
During load, the running efficiency of video card and browser can be influenceed, it is possible to the phenomenons such as interim card occur, then the first submodel block be pressed
Decomposed again according to its coordinate position, form the second submodel block of at least one, while obtaining the second submodel block
Memory space, the basis for estimation of the second submodel block obtained as the later stage to decomposition；Wherein, second submodel
The form of the memory space of block is set to the form identical form with the memory space of the first submodel block；By described
The memory space data transfer of two submodel blocks is to the second submodel block comparison unit 305.
The second submodel block comparison unit 305 and the first submodel block resolving cell 304, second submodule
Type block resolving cell 306 is connected with the second submodel block format converting unit 307, to ensure the second submodule described in the later stage
Loading velocity of the type block in webpage, the second submodel block comparison unit 305 receives depositing for the second submodel block
Store up after spatial data, for the memory space of the second submodel block to be entered with the predefined memory space threshold value successively
Row compares, to judge whether the second submodel block meets the condition of later stage webpage loading；Comparative result is transmitted to institute
State the second submodel block resolving cell 306 and the second submodel block format converting unit 307.
The second submodel block resolving cell 306 and the second submodel block comparison unit 305 and second son
Model block format conversion unit 307 is connected, and is used for：When the memory space of the second submodel block is described more than predefined
Memory space threshold value, can set Cycle-decomposition program, continue to carry out again the second submodel block according to its coordinate position
Decompose, be equal to the predefined memory space threshold until decomposing the memory space of obtained the second submodel block and being respectively less than
Value, just stops the disintegration of the step, will decompose the obtained data transfer of the second submodel block to the described second son
Model block format conversion unit 307.
The second submodel block format converting unit 307 and the second submodel block comparison unit 305, described second
Submodel block resolving cell 306 is connected with the loading unit 308 to be connected, and is used for：When depositing for the second submodel block
Store up space and be less than or equal to the predefined memory space threshold value, then explanation decomposes obtained the second submodel block in the later stage
Webpage can ensure the normal operation of video card and browser during loading, now, complete the decomposable process of the threedimensional model.
When carrying out webpage loading due to threedimensional model, the storage format of a variety of models is supported, and decomposes obtained second submodel
The file storage of block is larger, in order to improve the loading velocity of later stage model, can enter row format to the second submodel block
Conversion, the memory space for being converted to the second submodel block is less than the second storage format module of first storage format；
By the second storage format module transfer to the loading unit 308.
The loading unit 308 and the first submodel block format converting unit 303 and the second submodel block lattice
Formula converting unit 307 is connected, for by the second storage format module after conversion, by loader interface by described
Two storage format modules are passed sequentially through successively to be loaded into the three-dimensional scenic of the page, so as to realize the webpage loading of threedimensional model.
Embodiment 4
As shown in figure 4, the device for the webpage for the realizing threedimensional model loading that the present embodiment 4 is provided, including：Threedimensional model
Resolving cell 401, the first submodel block comparison unit 402, the first submodel block format converting unit 403, the first submodel block
Resolving cell 404, the second submodel block comparison unit 405, the second submodel block resolving cell 406, the second submodel block format
Converting unit 407, loading unit 408, information extraction unit 409 and computing with words unit 410, wherein；
The threedimensional model resolving cell 401 is connected with the first submodel block comparison unit 402, for using
Blender three-dimensional softwares, the threedimensional model is decomposed according to its package assembly, forms the first submodel of at least one
Block, is easy to the later stage gradually to load, so as to mitigate the computing of video card and browser and render pressure, it is ensured that the loading velocity of model and
The fluency of operation, while the memory space of the first submodel block is obtained, described first obtained as the later stage to decomposition
The basis for estimation of submodel block；Wherein, the storage format of the first submodel block is the first storage format；By what is acquired
The memory space data transfer of the first submodel block is to the first submodel block comparison unit 402.
The first submodel block comparison unit 402 and the threedimensional model resolving cell 401, the first submodel block
Format conversion unit 403 is connected with the first submodel block resolving cell 404, to ensure the first submodel block described in the later stage
Loading velocity in webpage, sets the predefined storage sky that normal webpage loading can be achieved in Blender three-dimensional softwares
Between threshold value, when the first submodel block comparison unit 402 receive state threedimensional model resolving cell 401 transmission described first
After the memory space data of submodel block, for the memory space of the first submodel block is empty with predefined storage successively
Between threshold value be compared, with judge the first submodel block whether meet later stage webpage loading condition；And by comparative result
Transmit to the first submodel block format converting unit 403 and the first submodel block resolving cell 404.
The first submodel block format converting unit 403 and the first submodel block comparison unit 402 and it is described plus
Carrier unit 408 is connected, and is used for：When the memory space of the first submodel block is less than or equal to the predefined memory space
Threshold value, then the first submodel block that explanation decomposition is obtained can ensure video card during later stage webpage is loaded and browse
The normal operation of device.When carrying out webpage loading due to the threedimensional model, the storage format of a variety of models is supported, and described
The file storage that obtained first storage format is decomposed in Blender three-dimensional softwares is larger, in order to improve later stage mould
The loading velocity of type, then enter row format conversion to the first submodel block, and the storage for being converted to the first submodel block is empty
Between be less than first storage format the second storage format module, wherein the second storage format module equally meets three-dimensional
The form of model webpage loading；The the second storage format module being converted to is sent to the loading unit 408.
In some optional embodiments, by the first submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion；The first submodel block format converting unit 403, further to be used for：In Three.js skills
In the format converting module that art is carried, by input file conversion instruction, by the first storage lattice described in the first submodel block
Formula is converted to the second storage format module；Wherein, the file conversion instruction includes：Described the first of the first submodel block
The storage catalogue of the second storage format module after storage catalogue and the form conversion of storage format.
The first submodel block resolving cell 404 and the first submodel block comparison unit 402 and second son
Model block comparison unit, which is connected, 405 to be connected, and is used for：When the memory space of the first submodel block is more than predefined institute
Memory space threshold value is stated, then the memory space for the first submodel block that explanation decomposition is obtained is excessive, added if directly carrying out webpage
During load, the running efficiency of video card and browser can be influenceed, it is possible to the phenomenons such as interim card occur, then can be three-dimensional in the Blender
The first submodel block is decomposed again according to its coordinate position in software, the second submodel of at least one is formed
Block, while the memory space of the second submodel block is obtained, the second submodel block obtained as the later stage to decomposition
Basis for estimation；Wherein, the form of the memory space of the second submodel block is set to the storage with the first submodel block
The form identical form in space；By the memory space data transfer of the second submodel block to the second submodel block pair
Than unit 405.
The second submodel block comparison unit 405 and the first submodel block resolving cell 404, second submodule
Type block resolving cell 406 is connected with the second submodel block format converting unit 407, to ensure the second submodule described in the later stage
Loading velocity of the type block in webpage, the second submodel block comparison unit 405 receives depositing for the second submodel block
Store up after spatial data, for the memory space of the second submodel block to be entered with the predefined memory space threshold value successively
Row compares, to judge whether the second submodel block meets the condition of later stage webpage loading；Comparative result is transmitted to institute
State the second submodel block resolving cell 406 and the second submodel block format converting unit 407.
The second submodel block resolving cell 406 and the second submodel block comparison unit 405 and second son
Model block format conversion unit 407 is connected, and is used for：When the memory space of the second submodel block is described more than predefined
Memory space threshold value, can be continued to the described second son by the Blender three-dimensional softwares, setting Cycle-decomposition program
Model block is decomposed again according to its coordinate position, until the memory space for decomposing obtained the second submodel block is small
In equal to the predefined memory space threshold value, just stop the disintegration of the step, second son that decomposition is obtained
The data transfer of model block is to the second submodel block format converting unit 407.
The second submodel block format converting unit 407 and the second submodel block comparison unit 405, described second
Submodel block resolving cell 406 is connected with the loading unit 408 to be connected, and is used for：When depositing for the second submodel block
Store up space and be less than or equal to the predefined memory space threshold value, then explanation decomposes obtained the second submodel block in the later stage
Webpage can ensure the normal operation of video card and browser during loading, now, complete the decomposable process of the threedimensional model.
When carrying out webpage loading due to threedimensional model, the storage format of a variety of models is supported, and is divided in the Blender three-dimensional softwares
The file storage for the second submodel block that solution is obtained is larger, in order to improve the loading velocity of later stage model, can be to institute
State the second submodel block and enter row format conversion, the memory space for being converted to the second submodel block is less than the described first storage lattice
Second storage format module of formula；By the second storage format module transfer to the loading unit 408.
In some optional embodiments, by the second submodel block enter row format conversion when, further for, using turn
Mold changing block enters row format conversion；The second submodel block format converting unit 407, further to be used for：In Three.js skills
In the format converting module that art is carried, by input file conversion instruction, by the first storage lattice described in the second submodel block
Formula is converted to the second storage format module；Wherein, the file conversion instruction includes：Described the first of the second submodel block
The storage catalogue of the second storage format module after storage catalogue and the form conversion of storage format.
The loading unit 408 and the first submodel block format converting unit 403, the second submodel block format
Converting unit 407 is connected with described information extraction unit 409, for by the second storage format module after conversion, leading to
The second storage format module is passed sequentially through and is loaded into the page by the loader interface for crossing the offer of Three.js technologies successively
In three-dimensional scenic, so that the webpage loading of threedimensional model is realized, and by the data transfer after loading to described information extraction unit
409。
Described information extraction unit 409 is connected with the loading unit 408 and described information recomposition unit 410, described
It is described after second storage format module is loaded on the page successively by the loader interface of the Three.js technologies
The information extraction modules that Three.js technologies are carried can the second storage format module carry out information extraction, obtain its and relative sit
Data are marked, wherein, the second storage format module includes its relative coordinate date；And transmit the relative coordinate date of acquisition
To described information recomposition unit 410.
Described information recomposition unit 410 is connected with described information extraction unit 409, for using the Three.js skills
Art and with reference to the relative co-ordinate information of the second storage format module, is carried out on the page to the second storage format module
Reconfigure, so as to show the threedimensional model on the page.
Because the threedimensional model that the page is shown is made up of multiple second storage format modules, when to described three
When dimension module such as zooms in and out, rotated at the operation, due to each described second storage format module in same page scene,
Therefore the operational order received is the same, therefore the scaling of each the second storage format module or rotation are while entering
Capable, the time that threedimensional model is rendered again can be thus greatly shortened, is operated also than smoother.
Each embodiment more than, the webpage loading method and device of threedimensional model of the invention, what is existed has
Beneficial effect is：
(1) method and device of the webpage loading of the present invention for realizing threedimensional model, by being carried out to threedimensional model
After decomposition and form conversion, then the page loading of model is carried out one by one, on the one hand can reduce computing and the wash with watercolours of video card and browser
The pressure of dye, the operation to model is more smooth, on the other hand avoids whole threedimensional model loading and causes what browser collapsed
Problem.
(2) it is of the present invention realize threedimensional model webpage loading method and device, by threedimensional model by
Secondary decompose obtains the first submodel block and the second submodel block that memory space is less than predefined memory space threshold value, and by the
One submodel block and the second submodel block are converted to the second smaller storage format module of memory space, to greatest extent by three-dimensional
Model decomposition is the second storage format module of minimized storage space so that browser can easily load large-scale model, and
And can be smooth operation large-scale model.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, device or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel are it should be understood that example above is merely to illustrate, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (8)
1. a kind of method for the webpage loading for realizing threedimensional model, it is characterised in that including：
The threedimensional model is decomposed according to its package assembly, the first submodel block of at least one is formed, and obtains institute
State the memory space of the first submodel block；Wherein, the storage format of the first submodel block is the first storage format；
The memory space of the first submodel block is compared with predefined memory space threshold value successively；
When the memory space of the first submodel block is less than or equal to the predefined memory space threshold value, then to described first
Submodel block enters row format conversion, and the memory space for being converted to the first submodel block is less than the of first storage format
Two storage format modules；
When the memory space of the first submodel block is more than the predefined memory space threshold value, then to first submodule
Type block is decomposed again according to its coordinate position, forms the second submodel block of at least one, and obtains second submodule
The memory space of type block；Wherein, the form of the memory space of the second submodel block is set to and the first submodel block
Memory space form identical form；
The memory space of the second submodel block is compared with the predefined memory space threshold value successively；
When the memory space of the second submodel block is more than the predefined memory space threshold value, then by second submodule
Type block is decomposed again according to its coordinate position, and the memory space for being decomposed into the second submodel block is respectively less than equal to predetermined
The memory space threshold value of justice；
When the memory space of the second submodel block is less than or equal to the predefined memory space threshold value, the three-dimensional is carried out
The decomposition of model, and the second submodel block is entered into row format conversion, be converted to the memory space of the second submodel block
Less than the second storage format module of first storage format；
By the second storage format module after conversion, it is loaded into successively in the three-dimensional scenic of the page.
2. the method for the webpage loading according to claim 1 for realizing threedimensional model, it is characterised in that also include：
Information extraction is carried out to the second storage format module after loading, its relative coordinate date is obtained, wherein, described the
Two storage format modules include its relative coordinate date；
With reference to the relative co-ordinate information, the second storage format module is reconfigured on the page.
3. the method for the webpage loading according to claim 1 for realizing threedimensional model, it is characterised in that by the described first son
Model block enter row format conversion when, further for, using modular converter enter row format conversion, including：
In the modular converter, by input file conversion instruction, the first storage format described in the first submodel block is turned
It is changed to the second storage format module；Wherein, the file conversion instruction includes：First storage of the first submodel block
The storage catalogue of the second storage format module after storage catalogue and the form conversion of form.
4. the method for the webpage loading according to claim 3 for realizing threedimensional model, it is characterised in that by the described second son
Model block enter row format conversion when, further for, using modular converter enter row format conversion, including：
In the modular converter, by input file conversion instruction, the first storage format described in the second submodel block is turned
It is changed to the second storage format module；Wherein, the file conversion instruction includes：First storage of the second submodel block
The storage catalogue of the second storage format module after storage catalogue and the form conversion of form.
5. a kind of device for the webpage loading for realizing threedimensional model, it is characterised in that the device includes：Threedimensional model decomposes single
Member, the first submodel block comparison unit, the first submodel block format converting unit, the first submodel block resolving cell, the second son
Model block comparison unit, the second submodel block resolving cell, the second submodel block format converting unit and loading unit, wherein；
The threedimensional model resolving cell is connected with the first submodel block comparison unit, for the threedimensional model to be pressed
Decomposed according to its package assembly, form the first submodel block of at least one, and obtain the storage of the first submodel block
Space；Wherein, the storage format of the first submodel block is the first storage format；
The first submodel block comparison unit and the threedimensional model resolving cell, the first submodel block format conversion are single
It is first to be connected with the first submodel block resolving cell, for by the memory space of the first submodel block successively with it is predetermined
The memory space threshold value of justice is compared；
The first submodel block format converting unit and the first submodel block comparison unit and the loading unit
It is connected, is used for：It is when the memory space of the first submodel block is less than or equal to the predefined memory space threshold value, then right
The first submodel block enters row format conversion, and the memory space for being converted to the first submodel block is less than the described first storage
Second storage format module of form；
The first submodel block resolving cell is contrasted with the first submodel block comparison unit and the second submodel block
Unit is connected, and is used for：It is when the memory space of the first submodel block is more than the predefined memory space threshold value, then right
The first submodel block is decomposed again according to its coordinate position, forms the second submodel block of at least one, and is obtained
The memory space of the second submodel block；Wherein, the form of the memory space of the second submodel block be set to it is described
The form identical form of the memory space of first submodel block；
The second submodel block comparison unit decomposes single with the first submodel block resolving cell, the second submodel block
It is first to be connected with the second submodel block format converting unit, for by the memory space of the second submodel block successively with
The predefined memory space threshold value is compared；
The second submodel block resolving cell and the second submodel block comparison unit and the second submodel block format
Converting unit is connected, and is used for：When the second submodel block memory space be more than the predefined memory space threshold value,
Then the second submodel block is decomposed again according to its coordinate position, the storage for being decomposed into the second submodel block is empty
Between be respectively less than be equal to the predefined memory space threshold value；
The second submodel block format converting unit and the second submodel block comparison unit, the second submodel block point
Solution unit is connected with the loading unit, is used for：When the memory space of the second submodel block is less than or equal to predefined
The memory space threshold value, carries out the decomposition of the threedimensional model, and the second submodel block is entered into row format conversion, conversion
It is less than the second storage format module of first storage format for the memory space of the second submodel block；
The loading unit and the first submodel block format converting unit and the second submodel block format converting unit
It is connected, for by the second storage format module after conversion, being loaded into successively in the three-dimensional scenic of the page.
6. the device of the webpage loading according to claim 5 for realizing threedimensional model, it is characterised in that the device is also wrapped
Include：Information extraction unit and computing with words unit, wherein；
Described information extraction unit is connected with the loading unit and described information recomposition unit, for described in after loading
Second storage format module carries out information extraction, obtains its relative coordinate date, wherein, the second storage format module includes
Its relative coordinate date；
Described information recomposition unit is connected with described information extraction unit, for reference to the relative co-ordinate information, described
The second storage format module is reconfigured on the page.
7. the device of the webpage loading according to claim 5 for realizing threedimensional model, it is characterised in that first submodule
Type block format converting unit, further for：
The first submodel block format converting unit, is used for：, will by input file conversion instruction in the modular converter
First storage format described in the first submodel block is converted to the second storage format module；Wherein, the file conversion instruction
Including：The second storage lattice after storage catalogue and the form conversion of first storage format of the first submodel block
The storage catalogue of formula module.
8. the device of the webpage loading according to claim 5 for realizing threedimensional model, it is characterised in that second submodule
Type block format converting unit, further for：
The second submodel block format converting unit, is used for：, will by input file conversion instruction in the modular converter
First storage format described in the second submodel block is converted to the second storage format module；Wherein, the file conversion instruction
Including：The second storage lattice after storage catalogue and the form conversion of first storage format of the second submodel block
The storage catalogue of formula module.
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Application publication date: 20170721 |