CN108055351A - The processing method and processing device of three dimensional file - Google Patents
The processing method and processing device of three dimensional file Download PDFInfo
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- CN108055351A CN108055351A CN201711498241.3A CN201711498241A CN108055351A CN 108055351 A CN108055351 A CN 108055351A CN 201711498241 A CN201711498241 A CN 201711498241A CN 108055351 A CN108055351 A CN 108055351A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/561—Adding application-functional data or data for application control, e.g. adding metadata
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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Abstract
The invention discloses a kind of processing method and processing devices of three dimensional file, it is related to a kind of technical field of data processing, main purpose is existing since the three dimensional file committed memory of BIM file formats is excessively huge, when carrying out network transmission, larger Internet resources can be occupied, influence data transmission, and after end of transmission, the problem of being unfavorable for the quick loading and displaying of three dimensional file, influencing the displaying efficiency of three dimensional file.Main technical schemes：When receiving three dimensional file transmission instruction, the three-dimensional display data according to present in three dimensional file generate three-dimensional display file；Model display logic generation example tree file in the three dimensional file, and the example tree file is carried out breaing up processing, obtain fragment group file and the data parameters generation meta data file in the three dimensional file；Inventory file is generated according to the file entries of the three-dimensional display file, the example tree file, the fragment group file, the meta data file.
Description
Technical field
The present invention relates to a kind of technical field of data processing, more particularly to the processing method and dress of a kind of three dimensional file
It puts.
Background technology
With extensive use of the 3 d modeling software in integrated suppliers field, to having the lightweight of three dimensional file displaying just
It is particularly important, i.e., it is soft to have become three-dimensional modeling to the efficient displaying of three dimensional file progress by webpage or mobile terminal device
The emphasis of part developer concern.
At present, existing common three dimensional file is transmitted with Building Information Model BIM file formats, Ran Houli
It is shown with the display platform in terminal device or browser with 3D drawing protocol modes.But due to BIM file formats
Three dimensional file committed memory is excessively huge, when carrying out network transmission, can occupy larger Internet resources, influence data transmission,
And after end of transmission, it is unfavorable for the quick loading and displaying of three dimensional file, influences the displaying efficiency of three dimensional file.
The content of the invention
In view of this, the present invention provides a kind of processing method and processing device of three dimensional file, main purpose be it is existing due to
The three dimensional file committed memory of BIM file formats is excessively huge, when carrying out network transmission, can occupy larger Internet resources,
Data transmission is influenced, and after end of transmission, is unfavorable for the quick loading and displaying of three dimensional file, influences the displaying of three dimensional file
The problem of efficiency.
According to one aspect of the invention, a kind of processing method of three dimensional file is provided, including：
When receiving three dimensional file transmission instruction, the three-dimensional exhibition of three-dimensional display data generation according to present in three dimensional file
Show file, the three-dimensional display data show the data of content for embodiment threedimensional model；
Model display logic generation example tree file in the three dimensional file, and the example tree file is carried out
Processing is broken up, obtains fragment group file and the data parameters generation meta data file in the three dimensional file；
According to the three-dimensional display file, the example tree file, the fragment group file, the meta data file text
Part entry generates inventory file, so that by the three-dimensional display file, the example tree file, the fragment group file, institute
Meta data file, the inventory file is stated with the file packet form of default file form to carry out data transmission.
Further, the three-dimensional display data according to present in three dimensional file generation three-dimensional display file it
Before, the method further includes：
Judge in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or light data, and/or photograph
Machine data, and/or unity and coherence in writing data；
The generation of the three-dimensional display data according to present in the three dimensional file three-dimensional display file includes：
If in the presence of according to the material quality data, and/or geometric data, and/or light data, and/or camera number
According to, and/or unity and coherence in writing data generate respectively material quality data file, and/or geometric data file, and/or light data file and/
Or camera data file, and/or unity and coherence in writing data file.
Further, it is described when receiving three dimensional file transmission instruction, the three-dimensional display according to present in three dimensional file
After data generation three-dimensional display file, the method further includes：
By the material quality data file, and/or geometric data file, and/or light data file, and/or camera number
It writes in default binary stream file, is obtained with file header, data segment collection, data according to file, and/or unity and coherence in writing data file
Segment type, data segment table, the data streaming file at file bottom.
Further, it is described according to the three-dimensional display file, it is the example tree file, the fragment group file, described
After the file entries generation inventory file of meta data file, the method further includes：
Include the data streaming file, the example tree file, the fragment group file, the metadata when receiving
File, the inventory file default file form file bag when, according in the inventory file typing order respectively plus
Carry the meta data file, the fragment group file, example tree file；
If loaded, according to the data streaming file load material quality data file, and/or geometric data file and/
Or light data file, and/or camera data file, and/or unity and coherence in writing data file, the material quality data file is parsed respectively
In material quality data, and/or the geometric data in geometric data file, and/or the light data in light data file and/
Or the camera data in camera data file, and/or the unity and coherence in writing data in unity and coherence in writing data file.
Further, described ought receive includes the data streaming file, the example tree file, fragment group text
Part, the meta data file, the inventory file default file form file bag when, according to the record in the inventory file
Enter after sequentially loading the meta data file, the fragment group file, example tree file respectively, the method further includes：
Judge whether completely load the meta data file, the fragment group file, example tree file, if loading
It is imperfect, then send missing file entries and reacquire missing file loaded.
Further, the method further includes：
By default 3D drawing agreement by the meta data file of loading, the fragment group file, example tree file
Carry out data back parsing, according to the material quality data after analysis result and parsing and/geometric data and/camera data and/
Unity and coherence in writing data carry out threedimensional model displaying.
According to one aspect of the invention, a kind of processing unit of three dimensional file is provided, including：
First generation unit, it is three-dimensional according to present in three dimensional file for when receiving three dimensional file transmission instruction
Display data generates three-dimensional display file, and the three-dimensional display data show the data of content for embodiment threedimensional model；
Processing unit generates example tree file for the model display logic in the three dimensional file, and to described
Example tree file carries out breaing up processing, obtains fragment group file and the data parameters generation member in the three dimensional file
Data file；
Second generation unit, for according to the three-dimensional display file, the example tree file, the fragment group file,
The meta data file file entries generation inventory file so that by the three-dimensional display file, the example tree file,
The fragment group file, the meta data file, the inventory file carry out data with the file packet form of default file form
Transmission.
Further, described device further includes：Judging unit,
The judging unit, for judging in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or lamp
Light data, and/or camera data, and/or unity and coherence in writing data；
First generation unit, if specifically for the judging unit judge in three dimensional file there are material quality data and/
Or geometric data, and/or light data, and/or camera data, and/or unity and coherence in writing data, then according to the material quality data and/
Or geometric data, and/or light data, and/or camera data, and/or unity and coherence in writing data generate respectively material quality data file,
And/or geometric data file, and/or light data file, and/or camera data file, and/or unity and coherence in writing data file.
Further, described device further includes：
Writing unit, for by the material quality data file, and/or geometric data file, and/or light data file,
And/or camera data file, and/or unity and coherence in writing data file are write in default binary stream file, obtain with file header,
Data segment collection, segment type, data segment table, the data streaming file at file bottom.
Further, it is described to further include：
Loading unit includes the data streaming file, the example tree file, fragment group text for working as to receive
Part, the meta data file, the inventory file default file form file bag when, according to the record in the inventory file
Enter order and load the meta data file, the fragment group file, example tree file respectively；
If for loaded, material quality data file, and/or several is loaded according to the data streaming file for resolution unit
What data file, and/or light data file, and/or camera data file, and/or unity and coherence in writing data file, parses institute respectively
It states in the material quality data in material quality data file, and/or the geometric data in geometric data file, and/or light data file
Light data, and/or the camera data in camera data file, and/or the unity and coherence in writing data in unity and coherence in writing data file.
Further,
The judging unit is additionally operable to judge whether completely load the meta data file, fragment group text
Part, example tree file, if loading is imperfect, send missing file entries and reacquire missing file loaded.
Further, described device further includes：
Display unit, for by default 3D drawing agreement that the meta data file of loading, the fragment group is literary
Part, example tree file carry out data back parsing, according to the material quality data after analysis result and parsing and/geometric data and/
Camera data and/unity and coherence in writing data carry out threedimensional model displaying.
According to another aspect of the invention, a kind of storage medium is provided, at least one is stored in the storage medium can
It executes instruction, the executable instruction makes processor perform the corresponding operation of processing method such as above-mentioned three dimensional file.
In accordance with a further aspect of the present invention, a kind of terminal is provided, including：Processor, memory, communication interface and communication
Bus, the processor, the memory and the communication interface complete mutual communication by the communication bus；
For the memory for storing an at least executable instruction, it is above-mentioned that the executable instruction performs the processor
The corresponding operation of processing method of three dimensional file.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention at least has following advantages：
The present invention provides a kind of processing method and processing device of three dimensional file, first when receiving three dimensional file transmission instruction
When, the three-dimensional display data according to present in three dimensional file generate three-dimensional display file, and the three-dimensional display data are embodiment three
Dimension module shows the data of content, the then model display logic generation example tree file in the three dimensional file, and right
The example tree file carries out breaing up processing, obtains fragment group file and the data parameters life in the three dimensional file
Into meta data file, further according to the three-dimensional display file, the example tree file, the fragment group file, the metadata
The file entries generation inventory file of file, so that by the three-dimensional display file, the example tree file, the fragment group
File, the meta data file, the inventory file are carried out data transmission with the file packet form of default file form.With it is existing
Common three dimensional file is transmitted with Building Information Model BIM file formats, then utilizes the displaying in terminal device
Platform or browser are shown with 3D drawing protocol modes to be compared, the embodiment of the present invention by by the data in three dimensional file into
Row is disassembled, and disassembles out three-dimensional display file, example tree file, fragment group file, meta data file, inventory file, by these texts
Part is transmitted with the file packet form of default file form, so as to speeding up data transmission speed, it is ensured that three-dimensional display data
Quick loading and displaying.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific embodiment for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 shows a kind of process flow figure of three dimensional file provided in an embodiment of the present invention；
Fig. 2 shows the process flow figure of another three dimensional file provided in an embodiment of the present invention；
Fig. 3 shows a kind of XDS file structures schematic diagram provided in an embodiment of the present invention；
Fig. 4 shows a kind of generation file bag flow diagram provided in an embodiment of the present invention；
Fig. 5 shows a kind of reading file bag flow diagram provided in an embodiment of the present invention；
Fig. 6 shows a kind of processing unit block diagram of three dimensional file provided in an embodiment of the present invention；
Fig. 7 shows the processing unit block diagram of another three dimensional file provided in an embodiment of the present invention；
Fig. 8 shows a kind of structure diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
An embodiment of the present invention provides a kind of processing method of three dimensional file, as shown in Figure 1, the described method includes：
101st, when receiving three dimensional file transmission instruction, the three-dimensional display data generation three according to present in three dimensional file
Dimension displaying file.
Wherein, the three-dimensional display data is embody the data that threedimensional model shows content, including material quality data, geometry number
According to, light data, camera data, unity and coherence in writing data etc., material quality data (Material Data) refers to the material letter of threedimensional model
Breath, such as metal material or wooden material；Geometric data (Geometry Data) refers to the geological information of threedimensional model, such as side
Boundary's frame (Bounding Box) etc.；Light data (Light Data) refers to the present light information of threedimensional model, such as color,
Intensity etc.；Camera data (Camera Data) refers to the corresponding photo angle of threedimensional model, such as position of camera, target position
It puts；Unity and coherence in writing data (Texture Data) refer to the unity and coherence in writing of threedimensional model, such as wave picture etc., and the embodiment of the present invention is not done
It is specific to limit.The three-dimensional display file refers to above-mentioned material quality data, geometric data, light data, camera data, text
Reason data etc. generate corresponding material file, geometry file, light file, camera file, unity and coherence in writing file respectively, so as to by three
The display data of dimension module is disassembled as multiple subfiles.
It should be noted that the three dimensional file transmission instruction is being set from an end equipment to the other end for user's triggering
The transmission event of standby transmission three dimensional file, to show threedimensional model in another end equipment, the embodiment of the present invention is not done specifically
It limits.In addition, the three-dimensional display data in three dimensional file can include material quality data, geometric data, light data, camera number
According to one or more of, unity and coherence in writing data, the embodiment of the present invention is not specifically limited.
102nd, the model display logic generation example tree file in the three dimensional file, and to the example tree file
It carries out breaing up processing, obtains fragment group file and the data parameters generation meta data file in the three dimensional file.
Wherein, example tree (Instance Tree) file is the file of the tree structure of an XDS format, tree-like
The relation between each child node and root node in structure can embody patrolling between three-dimensional display data in three dimensional file
The relation of collecting, for example, the root node of first layer is threedimensional model title, the second node layer is the displaying number that this threedimensional model includes
According to, such as material quality data, light data, if material quality data includes various material, third layer embodies different material quality datas,
And so on.In order to reduce the network transmission committed memory of example tree file transmission, example tree file is carried out breaing up processing, is obtained
To fragment group (Fragment List) file, the fragmentation of data of fragment group file can make system that related data quickly be accessed,
Such as crumb data, crumb data of camera data of geometric data etc., the embodiment of the present invention is not specifically limited.In order to incite somebody to action
Three dimensional file is further split, and avoids the critical data of missing file, by file data parameter, such as the list of three dimensional file
Position generates metadata (Metadata) file.
It should be noted that fragment group file refers to each displaying number with logical relation in example tree file
According to breaing up, you can to improve output speed, and may insure the logical relation between each file.
103rd, according to the three-dimensional display file, the example tree file, the fragment group file, the meta data file
File entries generation inventory file.
For the embodiment of the present invention, so that the three-dimensional display file, the example tree file, the fragment group is literary
Part, the meta data file, the inventory file are carried out data transmission with the file packet form of default file form, avoid transmitting
Lack in the process or omit three-dimensional data.The file entries can be often to generate three-dimensional display file, example tree file, fragment
Then filename or file identification when group file, meta data file etc. are documented in inventory file according to the order of generation file
In, obtain inventory file.
It should be noted that by above-mentioned three-dimensional display file, example tree file, fragment group file, meta data file with
And inventory file is carried out data transmission with the file packet form of BMV forms, can greatly reduce the flow waste in transmission process,
Improve network transfer speeds.
The present invention provides a kind of processing methods of three dimensional file, are with architecture information mould with existing common three dimensional file
Type BIM file formats are transmitted, then using the display platform in terminal device or browser with 3D drawing protocol modes
It is shown and compares, the embodiment of the present invention disassembles out three-dimensional display file, thing by the way that the data in three dimensional file are disassembled
Example tree file, fragment group file, meta data file, inventory file, by these files with the file packet form of default file form
It is transmitted, so as to speeding up data transmission speed, it is ensured that the quick loading and displaying of three-dimensional display data.
An embodiment of the present invention provides the processing method of another three dimensional file, as shown in Fig. 2, the described method includes：
201st, judge in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or light data, and/or
Camera data, and/or unity and coherence in writing data.
For the embodiment of the present invention, in order to by the three-dimensional display data separation in three dimensional file be accurately different types of number
According to and generate corresponding subfile, it is necessary to judge in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or lamp
Light data, and/or camera data, and/or unity and coherence in writing data, wherein, these data can all exist, and there may also be one
Point, can also all exist, also, that judge these soldier's data in three dimensional file can be arbitrary, the present invention in passing
It is not specifically limited.
It needs, whether judges above-mentioned material quality data, geometric data, light data, camera data, unity and coherence in writing data
Material quality data, geometric data, light data, photograph are searched in the presence of being specifically as follows with the step in three dimensional file from three dimensional file
The corresponding mark of machine data, unity and coherence in writing data or data name etc., the embodiment of the present invention is not specifically limited.
If the 202nd, in the presence of according to the material quality data, and/or geometric data, and/or light data, and/or camera
Data, and/or unity and coherence in writing data generate respectively material quality data file, and/or geometric data file, and/or light data file,
And/or camera data file, and/or unity and coherence in writing data file.
For the embodiment of the present invention, in order to which the display data in three dimensional file is split out multiple small subfiles, so as to
Improve transmission speed, it is necessary to by material quality data, and/or geometric data, and/or light data, and/or camera data, and/or
Unity and coherence in writing data generate corresponding subfile respectively.Wherein, material quality data generation material file is extracted；It is several to extract geometric data generation
What file；Light data generation light file is extracted, the light with the relevant light data of fragment can be included in light file
It group (LightList) file and defines the light of the data such as light color, intensity and defines file；Extract camera data
Camera file is generated, camera file includes and the photograph unit of the relevant camera data of fragment (Camera List)
File and define position of camera, the camera of target location defines file；Unity and coherence in writing data generation unity and coherence in writing file is extracted,
The embodiment of the present invention is not specifically limited.
203rd, by the material quality data file, and/or geometric data file, and/or light data file, and/or photograph
Machine data file, and/or unity and coherence in writing data file are write in default binary stream file, obtain with file header, data segment collection,
Segment type, data segment table, the data streaming file at file bottom.
For the embodiment of the present invention, in order to further accelerate material quality data file, geometric data file, light data text
The read-write of part, camera data file, unity and coherence in writing data file, will be above-mentioned each on the basis of the subfile of generation BMV forms
Subfile is write in default binary stream file, and the default binary stream file is XDS (XData Stream) form
File, as shown in figure 3, including file header (Header), data segment collection (Data Segment), segment type (Data
Segment Type), data segment table (Table Of Data Segment), file bottom (Footer), wherein, retouched in file header
The essential information of file, such as version are stated, data segment concentration describes specific data, for example, if geometric data, then counts
Several line segments are described according to section concentration, the concrete type of each data segment are described in segment type, for example, data segment collection
Include geometric data and unity and coherence in writing data, then the type of line segment and striped unity and coherence in writing described in segment type, it is such as square and
Picture, describing in data segment table has the position of several data and each data hereof, file bottom in data segment set
Describe the document location of data segment collective data segment table.
It should be noted that by the material quality data file in BMV file bags, and/or geometric data file, and/or light
Data file, and/or camera data file, and/or unity and coherence in writing data file write an XDS that can describe all subfiles
In file, in network transmission process is carried out, the flow waste of transmission process is further reduced, accelerates transmission speed.
204th, the model display logic generation example tree file in the three dimensional file, and to the example tree file
It carries out breaing up processing, obtains fragment group file and the data parameters generation meta data file in the three dimensional file.
This step is identical with step 102 method shown in FIG. 1, and details are not described herein.
205th, according to the three-dimensional display file, the example tree file, the fragment group file, the meta data file
File entries generation inventory file.
This step is identical with step 103 method shown in FIG. 1, and details are not described herein.
It should be noted that as shown in figure 4, material quality data file, geometric data file, light data file, camera
Data file, unity and coherence in writing data file, example tree file, fragment group file, meta data file file entries can generation pair
It is write direct during the file answered in inventory file, to ensure that each file entries arrange in sequence in inventory file, with
Just be read out in the file entries in reading inventory file according to data, can after all subfile is generated, according to
File entries are write inventory file by the order of generation subfile, and the embodiment of the present invention is not specifically limited.Further, since data
Material quality data file, geometric data file, light data file, camera data file, unity and coherence in writing data are described in stream file
The data of file after step 205, further include：Data streaming file, example tree file, fragment group file, metadata will be included
File, the BMV file bags of inventory file are sent to receiving terminal, so that three dimensional file is transferred to receiving terminal.
206th, the data streaming file, the example tree file, the fragment group file, the member are included when receiving
Data file, the inventory file default file form file bag when, according in the inventory file typing order point
The meta data file, the fragment group file, example tree file are not loaded.
For the embodiment of the present invention, receive in the receiving end include the data streaming file, the example tree file,
The fragment group file, the meta data file, the inventory file default file form file bag when, in order to quick
The data in file bag are read, element files, fragment group can be read from lists of documents according to the reverse order of typing order
File, example tree file, to determine between the fragment file of the file type of threedimensional model, subfile and each subfile
Logical relation example tree file, so that it is determined that the general frame of threedimensional model, threedimensional model is shown from all data and is total to
With displaying in extract, then step by step to the material quality data of threedimensional model, geometric data, light data, camera data,
Unity and coherence in writing data are rendered, and add the reading efficiency of threedimensional model.
207th, judge whether completely load the meta data file, the fragment group file, example tree file, if
Load it is imperfect, then send missing file entries and reacquire missing file loaded.
For the embodiment of the present invention, in order to ensure data are not lost, it is necessary to judge basis in three dimensional file transmission process
Whether meta data file, fragment group file, the example tree file of the file directory loading in inventory file are complete, specifically, can
To judge whether to be loaded into meta data file, fragment group file, example tree file, if loading is less than to transmitting terminal hair
The file entries of missing are sent, so that transmitting terminal resends the file of missing, it is ensured that the threedimensional model of receiving terminal is shown complete
Property, stability.
If the 208, loaded, material quality data file, and/or geometric data text are loaded according to the data streaming file
Part, and/or light data file, and/or camera data file, and/or unity and coherence in writing data file, parse the material number respectively
According to the material quality data in file, and/or the geometric data in geometric data file, and/or the light number in light data file
According to, and/or camera data file in camera data, and/or the unity and coherence in writing data in unity and coherence in writing data file.
For the embodiment of the present invention, due to including all subfiles in data streaming file, in order to from data streaming file
Material quality data, geometric data, light data, camera data, unity and coherence in writing data of threedimensional model etc. are extracted, it is necessary to first from data
Corresponding material quality data file, geometric data file, light data file, camera data file, unity and coherence in writing are loaded in stream file
Data file so as to be combined with the meta data file, fragment group file, example tree file loaded out, obtains complete
Threedimensional model, avoid some file lose need reappear loading all files bag.
209th, by default 3D drawing agreement by the meta data file of loading, the fragment group file, example tree
File carries out data back parsing, according to the material quality data after analysis result and parsing and/geometric data and/camera number
According to and/unity and coherence in writing data carry out threedimensional model displaying.
Wherein, the default 3D drawing agreement is WebGL, supports answering for such as cell phone platform, browser terminal device
It is shown with program, the reverse resolution is the process phase with generating meta data file, fragment group file, example tree file
Anti- process, such as fragment group file is recombinated, logical relation of each display data etc. is parsed from example tree, this
Inventive embodiments are not specifically limited.Pass through material quality data, geometric data, camera data, the text after analysis result and parsing
The displaying that data carry out threedimensional model is managed, greatly accelerates the displaying required speed of threedimensional model, three-dimensional is read so as to improve
The efficiency of model data.
It should be noted that the embodiment of the present invention loading receive when asking valency bag, can be according to step as shown in Figure 5
Suddenly loaded, the embodiment of the present invention is not specifically limited.
The present invention provides the processing method of another three dimensional file, the embodiment of the present invention is by by the number in three dimensional file
According to being disassembled, disassemble out include material quality data file, and/or geometric data file, and/or light data file, and/or
Camera data file, and/or unity and coherence in writing data file write the data streaming file of an XDS format file, example tree file, broken
These files are sent to receiving terminal by piece group file, meta data file, inventory file with BMV file packet forms, and receiving terminal is being received
Subfile is loaded in sequence to the rear file entries in lists of documents, if loading is imperfect, reloads missing
The file of file entries avoids three dimensional file from losing file in transmission process and needs all to re-download, uses data flow
File further speeding up data transmission speed, it is ensured that the quick loading and displaying of three-dimensional display data.
Further, as the realization to method shown in above-mentioned Fig. 1, an embodiment of the present invention provides a kind of three dimensional files
Processing unit, as shown in fig. 6, the device includes：First generation unit 31, processing unit 32, the second generation unit 33.
First generation unit 31, for when receive three dimensional file transmission instruction when, three according to present in three dimensional file
Display data generation three-dimensional display file is tieed up, the three-dimensional display data show the data of content for embodiment threedimensional model；It is described
First generation unit 31 is performed for the processing unit of three dimensional file when receiving three dimensional file transmission instruction, according to three dimensional file
Present in three-dimensional display data generation three-dimensional display file program module.
Processing unit 32 generates example tree file for the model display logic in the three dimensional file, and to institute
It states example tree file to carry out breaing up processing, obtains fragment group file and the data parameters generation in the three dimensional file
Meta data file；The processing unit 32 performs the model display in the three dimensional file for the processing unit of three dimensional file
Logic generates example tree file, and the example tree file is carried out breaing up processing, obtains fragment group file and according to described
The program module of data parameters generation meta data file in three dimensional file.
Second generation unit 33, for according to the three-dimensional display file, the example tree file, fragment group text
The file entries generation inventory file of part, the meta data file, so that the three-dimensional display file, the example tree is literary
Part, the fragment group file, the meta data file, the inventory file are with the file packet form of default file form into line number
According to transmission.Second generation unit 33 is performed for the processing unit of three dimensional file according to the three-dimensional display file, the thing
Example tree file, the fragment group file, the file entries of the meta data file generate the program module of inventory file.
The present invention provides a kind of processing units of three dimensional file, are with architecture information mould with existing common three dimensional file
Type BIM file formats are transmitted, then using the display platform in terminal device or browser with 3D drawing protocol modes
It is shown and compares, the embodiment of the present invention disassembles out three-dimensional display file, thing by the way that the data in three dimensional file are disassembled
Example tree file, fragment group file, meta data file, inventory file, by these files with the file packet form of default file form
It is transmitted, so as to speeding up data transmission speed, it is ensured that the quick loading and displaying of three-dimensional display data.
Further, as the realization to method shown in above-mentioned Fig. 2, an embodiment of the present invention provides another three dimensional files
Processing unit, as shown in fig. 7, the device includes：First generation unit 41, processing unit 42, the second generation unit 43, judgement
Unit 44, writing unit 45, loading unit 46, resolution unit 47, display unit 48.
First generation unit 41, for when receive three dimensional file transmission instruction when, three according to present in three dimensional file
Display data generation three-dimensional display file is tieed up, the three-dimensional display data show the data of content for embodiment threedimensional model；
Processing unit 42 generates example tree file for the model display logic in the three dimensional file, and to institute
It states example tree file to carry out breaing up processing, obtains fragment group file and the data parameters generation in the three dimensional file
Meta data file；
Second generation unit 43, for according to the three-dimensional display file, the example tree file, fragment group text
The file entries generation inventory file of part, the meta data file, so that the three-dimensional display file, the example tree is literary
Part, the fragment group file, the meta data file, the inventory file are with the file packet form of default file form into line number
According to transmission.
Further, described device further includes：Judging unit 44,
The judging unit 44, for judging in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or
Light data, and/or camera data, and/or unity and coherence in writing data；
First generation unit 41, if judging that there are material numbers in three dimensional file specifically for the judging unit 41
According to, and/or geometric data, and/or light data, and/or camera data, and/or unity and coherence in writing data, then according to the material number
According to, and/or geometric data, and/or light data, and/or camera data, and/or unity and coherence in writing data generate material quality data respectively
File, and/or geometric data file, and/or light data file, and/or camera data file, and/or unity and coherence in writing data text
Part.
Further, described device further includes：
Writing unit 45, for the material quality data file, and/or geometric data file, and/or light data is literary
Part, and/or camera data file, and/or unity and coherence in writing data file are write in default binary stream file, are obtained with file
Head, data segment collection, segment type, data segment table, the data streaming file at file bottom.
Further, it is described to further include：
Loading unit 46 includes the data streaming file, the example tree file, the fragment group for working as to receive
File, the meta data file, the inventory file default file form file bag when, according in the inventory file
Typing order loads the meta data file, the fragment group file, example tree file respectively；
Resolution unit 47, if for loaded, according to the data streaming file load material quality data file, and/or
Geometric data file, and/or light data file, and/or camera data file, and/or unity and coherence in writing data file, parse respectively
Material quality data in the material quality data file, and/or the geometric data in geometric data file, and/or light data file
In light data, and/or the camera data in camera data file, and/or the unity and coherence in writing data in unity and coherence in writing data file.
Further,
The judging unit 44 is additionally operable to judge whether completely load the meta data file, the fragment group
File, example tree file, if loading is imperfect, send missing file entries and reacquire missing file loaded.
Further, described device further includes：
Display unit 48, for by default 3D drawing agreement by the meta data file of loading, the fragment group
File, example tree file carry out data back parsing, according to the material quality data after analysis result and parsing and/geometric data,
Threedimensional model displaying is carried out with/camera data and/unity and coherence in writing data.
The present invention provides the processing unit of another three dimensional file, the embodiment of the present invention is by by the number in three dimensional file
According to being disassembled, disassemble out include material quality data file, and/or geometric data file, and/or light data file, and/or
Camera data file, and/or unity and coherence in writing data file write the data streaming file of an XDS format file, example tree file, broken
These files are sent to receiving terminal by piece group file, meta data file, inventory file with BMV file packet forms, and receiving terminal is being received
Subfile is loaded in sequence to the rear file entries in lists of documents, if loading is imperfect, reloads missing
The file of file entries avoids three dimensional file from losing file in transmission process and needs all to re-download, uses data flow
File further speeding up data transmission speed, it is ensured that the quick loading and displaying of three-dimensional display data.
One embodiment provides a kind of storage medium according to the present invention, and it is executable that the storage medium is stored at least one
Instruction, the computer executable instructions can perform the processing method of the three dimensional file in above-mentioned any means embodiment.
Fig. 8 shows a kind of structure diagram of terminal that one embodiment provides according to the present invention, and the present invention is specific real
Example is applied not limit the specific implementation of terminal.
As shown in figure 8, the terminal can include：Processor (processor) 502, communication interface (Communications
Interface) 504, memory (memory) 506 and communication bus 508.
Wherein：Processor 502, communication interface 504 and memory 506 complete mutual lead to by communication bus 508
Letter.
Communication interface 504, for communicating with the network element of miscellaneous equipment such as client or other servers etc..
Processor 502, for performing program 510, in the processing method embodiment that can specifically perform above-mentioned three dimensional file
Correlation step.
Specifically, program 510 can include program code, which includes computer-managed instruction.
Processor 502 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit) or be arranged to implement the embodiment of the present invention one or more integrate electricity
Road.The one or more processors that terminal includes can be same type of processor, such as one or more CPU；Can also be
Different types of processor, such as one or more CPU and one or more ASIC.
Memory 506, for storing program 510.Memory 506 may include high-speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 510 specifically can be used for so that processor 502 performs following operation：
When receiving three dimensional file transmission instruction, the three-dimensional exhibition of three-dimensional display data generation according to present in three dimensional file
Show file, the three-dimensional display data show the data of content for embodiment threedimensional model；
Model display logic generation example tree file in the three dimensional file, and the example tree file is carried out
Processing is broken up, obtains fragment group file and the data parameters generation meta data file in the three dimensional file；
According to the three-dimensional display file, the example tree file, the fragment group file, the meta data file text
Part entry generates inventory file, so that by the three-dimensional display file, the example tree file, the fragment group file, institute
Meta data file, the inventory file is stated with the file packet form of default file form to carry out data transmission.
Algorithm and display be not inherently related to any certain computer, virtual system or miscellaneous equipment provided herein.
Various general-purpose systems can also be used together with teaching based on this.As described above, required by constructing this kind of system
Structure be obvious.In addition, the present invention is not also directed to any certain programmed language.It should be understood that it can utilize various
Programming language realizes the content of invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the specification provided in this place, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
Shield the present invention claims the more features of feature than being expressly recited in each claim.It is more precisely, such as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim is in itself
Separate embodiments all as the present invention.
Those skilled in the art, which are appreciated that, to carry out adaptively the module in the equipment in embodiment
Change and they are arranged in one or more equipment different from the embodiment.It can be the module or list in embodiment
Member or component be combined into a module or unit or component and can be divided into addition multiple submodule or subelement or
Sub-component.In addition at least some in such feature and/or process or unit exclude each other, it may be employed any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, summary and attached drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Profit requirement, summary and attached drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included some features rather than other feature, but the combination of the feature of different embodiments means in of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
One of meaning mode can use in any combination.
The all parts embodiment of the present invention can be with hardware realization or to be run on one or more processor
Software module realize or realized with combination thereof.It will be understood by those of skill in the art that it can use in practice
Microprocessor or digital signal processor (DSP) realize the processing method of three dimensional file according to embodiments of the present invention and dress
The some or all functions of some or all components in putting.The present invention is also implemented as performing described here
Some or all equipment of method or program of device (for example, computer program and computer program product).This
The program of the realization present invention of sample can may be stored on the computer-readable medium or can have one or more signal
Form.Such signal can be downloaded from internet website to be obtained either providing or with any other on carrier signal
Form provides.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.If in the unit claim for listing equipment for drying, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
Claims (10)
1. a kind of processing method of three dimensional file, which is characterized in that including：
When receiving three dimensional file transmission instruction, the three-dimensional display data generation three-dimensional display text according to present in three dimensional file
Part, the three-dimensional display data show the data of content for embodiment threedimensional model；
Model display logic generation example tree file in the three dimensional file, and the example tree file is broken up
Processing obtains fragment group file and the data parameters generation meta data file in the three dimensional file；
According to the three-dimensional display file, the example tree file, the fragment group file, the meta data file file item
Mesh generates inventory file, so that by the three-dimensional display file, the example tree file, the fragment group file, the member
Data file, the inventory file are carried out data transmission with the file packet form of default file form.
2. the according to the method described in claim 1, it is characterized in that, three-dimensional display data according to present in three dimensional file
Before generating three-dimensional display file, the method further includes：
Judge in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or light data, and/or camera number
According to, and/or unity and coherence in writing data；
The generation of the three-dimensional display data according to present in the three dimensional file three-dimensional display file includes：
If in the presence of, according to the material quality data, and/or geometric data, and/or light data, and/or camera data and/
Or unity and coherence in writing data generate material quality data file, and/or geometric data file, and/or light data file, and/or photograph respectively
Machine data file, and/or unity and coherence in writing data file.
3. according to the method described in claim 2, it is characterized in that, it is described when receive three dimensional file transmission instruction when, according to
After the generation three-dimensional display file of three-dimensional display data present in three dimensional file, the method further includes：
By the material quality data file, and/or geometric data file, and/or light data file, and/or camera data text
Part, and/or unity and coherence in writing data file are write in default binary stream file, are obtained with file header, data segment collection, data segment class
Type, data segment table, the data streaming file at file bottom.
It is 4. according to the method described in claim 3, it is characterized in that, described according to the three-dimensional display file, the example tree
After file, the fragment group file, the file entries of the meta data file generate inventory file, the method further includes：
Include the data streaming file, the example tree file, the fragment group file, metadata text when receiving
Part, the inventory file default file form file bag when, according in the inventory file typing order load respectively
The meta data file, the fragment group file, example tree file；
If loaded, material quality data file, and/or geometric data file, and/or lamp are loaded according to the data streaming file
Light data file, and/or camera data file, and/or unity and coherence in writing data file are parsed respectively in the material quality data file
Material quality data, and/or the geometric data in geometric data file, and/or light data, and/or photograph in light data file
The unity and coherence in writing data in camera data, and/or unity and coherence in writing data file in camera data file.
5. according to the method described in claim 4, it is characterized in that, described ought receive includes the data streaming file, institute
State example tree file, the fragment group file, the meta data file, the inventory file default file form file bag
When, the meta data file, the fragment group file, example tree text are loaded respectively according to the typing order in the inventory file
After part, the method further includes：
Judge whether completely load the meta data file, the fragment group file, example tree file, if loading is endless
It is whole, then send missing file entries and reacquire missing file loaded.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
The meta data file of loading, the fragment group file, example tree file are carried out by default 3D drawing agreement
Data back parses, according to the material quality data after analysis result and parsing and/geometric data and/camera data and/unity and coherence in writing
Data carry out threedimensional model displaying.
7. a kind of processing unit of three dimensional file, which is characterized in that including：
First generation unit, for when receive three dimensional file transmission instruction when, the three-dimensional display according to present in three dimensional file
Data generate three-dimensional display file, and the three-dimensional display data show the data of content for embodiment threedimensional model；
Processing unit generates example tree file for the model display logic in the three dimensional file, and to the example
Tree file carries out breaing up processing, obtains fragment group file and the data parameters generation metadata in the three dimensional file
File；
Second generation unit, for according to the three-dimensional display file, the example tree file, the fragment group file, described
The file entries generation inventory file of meta data file, so that by the three-dimensional display file, the example tree file, described
Fragment group file, the meta data file, the inventory file are carried out data transmission with the file packet form of default file form.
8. device according to claim 7, which is characterized in that described device further includes：Judging unit,
The judging unit, for judging in three dimensional file with the presence or absence of material quality data, and/or geometric data, and/or light number
According to, and/or camera data, and/or unity and coherence in writing data；
First generation unit, if judging that there are material quality datas, and/or several in three dimensional file specifically for the judging unit
What data, and/or light data, and/or camera data, and/or unity and coherence in writing data, then according to the material quality data, and/or several
What data, and/or light data, and/or camera data, and/or unity and coherence in writing data generate respectively material quality data file, and/or
Geometric data file, and/or light data file, and/or camera data file, and/or unity and coherence in writing data file.
9. a kind of storage medium, an at least executable instruction is stored in the storage medium, the executable instruction makes processing
Device performs the corresponding operation of processing method of the three dimensional file as any one of claim 1-6.
10. a kind of terminal, including：Processor, memory, communication interface and communication bus, the processor, the memory and
The communication interface completes mutual communication by the communication bus；
For the memory for storing an at least executable instruction, the executable instruction makes the processor perform right such as will
Ask the corresponding operation of processing method of the three dimensional file any one of 1-6.
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| CN112308958B (en) * | 2020-10-19 | 2023-08-29 | 广州市昱安信息技术有限公司 | Three-dimensional model display method, device and storage medium |
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