CN106485789A - A kind of 3D model loading method and its device - Google Patents
A kind of 3D model loading method and its device Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of 3D model loading method and its device, belongs to technical field of virtual reality.Methods described includes：Described 3D model is divided at least one sub-block；Show whole sub-blocks according to preset rules, complete the loading of described 3D model.The embodiment of the present invention can optimize the loading of 3D model, improves the display effect of 3D model.
Description
Technical Field
The invention belongs to the technical field of virtual reality, and particularly relates to a 3D model loading method and a device thereof.
Background
The virtual reality technology integrates a plurality of scientific technologies such as computer graphics technology, computer simulation technology, sensor technology, display technology and the like, creates a virtual information environment on a multi-dimensional information space, enables a user to have an immersive sense, has perfect interaction capacity with the environment, and is helpful for inspiring ideas.
Due to the above advantages of virtual reality technology, it improves the user experience of existing audio-video devices, it has been related to a wider field, such as video conferencing, networking technology, and distributed computing technology, and has evolved towards distributed virtual reality. Virtual reality technology has become an important means for new product design and development.
However, in the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: after the model of the virtual reality technology is built, because the data volume of the model is huge, the loading speed of the model is generally slow, and a user needs to wait for a long time to view the displayed model.
Therefore, how to optimize the loading of the 3D model becomes a technical problem to be solved urgently in the prior art.
Disclosure of Invention
One of the technical problems to be solved by the embodiments of the present invention is to provide a 3D model loading method and apparatus, which can optimize loading of a 3D model and improve a display effect of the 3D model.
The embodiment of the invention provides a 3D model loading method, which comprises the following steps:
dividing the 3D model into at least one subdata block;
and displaying all the subdata blocks according to a preset rule to finish the loading of the 3D model.
In an embodiment of the present invention, the dividing the 3D model into at least one sub-data block includes:
and dividing the 3D model into at least one area, wherein each area is a sub data block.
In a specific embodiment of the present invention, the preset rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
In an embodiment of the present invention, the dividing the 3D model into at least one sub-data block includes:
and dividing the 3D model into at least one layer of image, wherein each layer of image is a sub data block.
In a specific embodiment of the present invention, the displaying all the sub-data blocks according to the preset rule, and completing the loading of the 3D model, includes:
and loading the images layer by layer, gradually increasing the display precision of the 3D model, and completing the loading of the 3D model.
Corresponding to the above method, another embodiment of the present invention provides a 3D model loading apparatus, including:
a segmentation module for segmenting the 3D model into at least one sub-data block;
and the loading module is used for displaying all the subdata blocks according to a preset rule to finish the loading of the 3D model.
In an embodiment of the present invention, the segmentation module is specifically configured to segment the 3D model into at least one region, where each region is a sub data block.
In a specific embodiment of the present invention, the preset rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
In an embodiment of the present invention, the segmentation module is specifically configured to segment the 3D model into at least one layer of images, and each layer of images is a sub data block.
In a specific embodiment of the present invention, the loading module is specifically configured to load the image layer by layer, gradually increase the display accuracy of the 3D model, and complete loading of the 3D model.
The embodiment of the invention divides the 3D model into at least one sub-data block, displays all the sub-data blocks according to a preset rule and finishes the loading of the 3D model. Therefore, the embodiment of the invention gradually finishes the loading of the 3D model through the divided sub data blocks, can optimize the loading of the 3D model and improve the display effect of the 3D model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a flowchart of an embodiment of a 3D model loading method provided by the present invention;
FIG. 2 is a flowchart of another embodiment of a 3D model loading method provided by the present invention;
FIG. 3 is a flowchart illustrating a 3D model loading method according to yet another embodiment of the present invention;
FIG. 4 is a flowchart illustrating a 3D model loading method according to yet another embodiment of the present invention;
FIG. 5 is a flowchart illustrating an embodiment of a 3D model loading apparatus according to the present invention;
FIG. 6 is a hardware block diagram of an electronic device for 3D model loading according to the present invention;
fig. 7 is a flowchart of a specific application scenario of the present invention.
Detailed Description
The embodiment of the invention divides the 3D model into at least one sub-data block, displays all the sub-data blocks according to a preset rule and finishes the loading of the 3D model. Therefore, the embodiment of the invention gradually finishes the loading of the 3D model through the divided sub data blocks, can optimize the loading of the 3D model and improve the display effect of the 3D model.
While this invention is susceptible of embodiment in many different forms, there is shown in the drawings and will herein be described in detail specific embodiments, with the understanding that the present disclosure of such embodiments is to be considered as an example of the principles and not intended to limit the invention to the specific embodiments shown and described. In the description below, like reference numerals are used to describe the same, similar or corresponding parts in the several views of the drawings.
The terms "a" or "an," as used herein, are defined as one or more than one. The term "plurality", as used herein, is defined as two or more than two. The term "other", as used herein, is defined as at least one more or more. The terms including and/or having, as used herein, are defined as comprising (i.e., open language). The term "coupled," as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically. The term "program" or "computer program" or similar terms, as used herein, is defined as a sequence of instructions designed for execution on a computer system. A "program" or "computer program" may include a subroutine, a function, a procedure, an object method, an object implementation, an executable application, an applet, a servlet, a source code, an object code, a shared library/dynamic load library and/or other sequence of instructions designed for execution on a computer system.
Reference throughout this document to "one embodiment," "certain embodiments," "an embodiment," or similar terms means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of such phrases or in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments without limitation.
As used herein, the term "or" should be construed as being inclusive or meaning any one or any combination. Thus, "A, B or C" means "any of the following: a; b; c; a and B; a and C; b and C; a, B and C'. An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.
As used herein, the term 3D or three-dimensional is intended to apply to stereoscopic three-dimensional visual experiences. Such experiences can be created in a number of ways, including using images that are differently polarized for each eye or filtered for each eye. In particular, within the context of the present invention, a three-dimensional visual experience is created by the generation and display of separate left-eye and right-eye images. Such images are viewed on a display device presenting separate images for each eye, with active techniques (such as alternating simultaneous blocking and passing of the images viewed by each eye) for creating separation of left and right eye images, or passive techniques (such as polarized or colored glasses) for separating left and right eye images, thereby creating the illusion of a stereoscopic three-dimensional visual experience.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived from the embodiments of the present invention by a person of ordinary skill in the art are intended to fall within the scope of the present invention.
The following further describes the specific implementation of the present invention with reference to the drawings.
An embodiment of the present invention provides a 3D model loading method, which is generally applied to a computer device or a portable device.
Example one
Referring to fig. 1, the method includes:
s1, dividing the 3D model into at least one sub data block.
A 3D model is a three-dimensional, stereoscopic model, and D is an abbreviation for english Dimensions.
The 3D model may also be a three-dimensional model built by three-dimensional software, including various structures, people, vegetation, machines, etc., such as a 3D model map of a building. 3D models also include the fields of toys and computer models.
There are three main types of 3D model construction:
constructing a 3D model by artificial software: this approach requires operators to have rich expertise, skilled use of modeling software, complex operation, long cycle, and poor realism of the 3D model of the final component.
Constructing a 3D model by the three-dimensional scanner: this approach requires expensive hardware devices such as three-dimensional scanners. Moreover, the three-dimensional scanner can only obtain the position information of the object, and most of the texture features of the surface of the object still need to assist a great deal of manual work to complete. The whole process has high cost and long period.
Constructing a 3D model based on the image: in this way, only a group of sequence photos of the object from different angles needs to be provided, and the 3D model of the object can be automatically generated under the assistance of a computer. The method is simple to operate, high in automation degree, low in cost and strong in sense of reality.
The 3D model is large in data size, and a large amount of time is consumed for display, so that the 3D model is divided into at least one sub data block, namely, the large 3D model data is divided into smaller sub data blocks.
And S2, displaying all the sub data blocks according to a preset rule, and completing the loading of the 3D model.
According to the embodiment of the invention, all the divided small sub-data blocks are displayed according to the preset rule, and a user can view part of the 3D model along with the gradual display of the small sub-data blocks until all the sub-data blocks are displayed, complete the loading of the 3D model and view the complete 3D model.
Therefore, the embodiment of the invention gradually finishes the loading of the 3D model through the divided sub data blocks, can optimize the loading of the 3D model and improve the display effect of the 3D model.
Example two
The present invention further provides another embodiment, referring to fig. 2, the step S1 specifically includes:
and dividing the 3D model into at least one area, wherein each area is a sub data block.
According to the embodiment of the invention, the 3D model is divided into the areas with one less 3D model, and each area is a sub data block.
And S2, displaying all the sub data blocks according to a preset rule, and completing the loading of the 3D model.
According to the embodiment of the invention, at least one region of the segmented 3D model is completely displayed according to the preset rule, a user can view part of the 3D model along with the display of each region until all the regions are displayed, the loading of the 3D model is completed, and the user views the whole 3D model.
Therefore, the loading of the 3D model is gradually completed through at least one region of the segmented 3D model, the loading of the 3D model can be optimized, and the display effect of the 3D model is improved.
EXAMPLE III
The present invention further provides another embodiment, wherein the preset rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
Specifically, the viewpoint includes human eyes or an image capturing device such as a camera or a video camera, and the viewpoint projects light rays to the 3D plane to intersect with the 3D plane to obtain the focus. The shorter the distance from the focal point of the 3D plane, the more preferentially the region is displayed, so that the user can preferentially obtain the 3D model image of the region where the focal point is located and in the vicinity of the focal point, and the display effect of the 3D model is further improved.
Specifically, the region with the larger number of times of intersection with the line of sight is a region of the 3D model that the user often views, and the region with the larger number of times of intersection with the line of sight is preferentially displayed, so that the display effect of the 3D model can be further improved.
Specifically, the area earlier at the time point of intersection with the line of sight is the area of the 3D model that is viewed by the user first, and the area earlier at the time point of intersection with the line of sight is preferentially displayed, so that the display effect of the 3D model can be further improved.
According to the embodiment of the invention, all the subdata blocks are displayed according to the preset rule, the loading of the 3D model is completed, and the display effect of the 3D model can be further improved.
Example four
The present invention further provides another embodiment, referring to fig. 3, the step S1 specifically includes:
and dividing the 3D model into at least one layer of image, wherein each layer of image is a sub data block.
The embodiment of the invention carries out layering on the 3D model, and divides the 3D model into at least one layer of image, wherein each layer of image is a sub data block.
And S2, displaying all the sub data blocks according to a preset rule, and completing the loading of the 3D model.
According to the embodiment of the invention, all layered images are displayed according to the preset rule, a user can view the 3D model image with increased precision along with the display of each layer of image until the images of all layers are displayed, the loading of the 3D model is completed, and the user views the whole 3D model.
Therefore, the loading of the 3D model is gradually completed through the layered 3D model image, the loading of the 3D model can be optimized, and the display effect of the 3D model is improved.
EXAMPLE five
The present invention further provides another embodiment, referring to fig. 4, the step S2 specifically includes:
and loading the images layer by layer, gradually increasing the display precision of the 3D model, and completing the loading of the 3D model.
Therefore, according to the embodiment of the invention, the display precision of the 3D model is gradually increased through the layered 3D model image, and the clearer 3D model image is gradually obtained by the user, so that the loading of the 3D model can be further optimized, and the display effect of the 3D model is improved.
In response to the above method, another embodiment of the present invention provides a 3D model loading apparatus, which is generally applied to a computer device or a portable device.
EXAMPLE six
Referring to fig. 5, the apparatus includes:
a partitioning module 51, configured to partition the 3D model into at least one sub data block.
And the loading module 52 is configured to display the sub data blocks one by one according to a preset rule, so as to complete loading of the 3D model.
A 3D model is a three-dimensional, stereoscopic model, and D is an abbreviation for english Dimensions.
The 3D model may also be a three-dimensional model built by three-dimensional software, including various structures, people, vegetation, machines, etc., such as a 3D model map of a building. 3D models also include the fields of toys and computer models.
There are three main types of 3D model construction:
constructing a 3D model by artificial software: this approach requires operators to have rich expertise, skilled use of modeling software, complex operation, long cycle, and poor realism of the 3D model of the final component.
Constructing a 3D model by the three-dimensional scanner: this approach requires expensive hardware devices such as three-dimensional scanners. Moreover, the three-dimensional scanner can only obtain the position information of the object, and most of the texture features of the surface of the object still need to assist a great deal of manual work to complete. The whole process has high cost and long period.
Constructing a 3D model based on the image: in this way, only a group of sequence photos of the object from different angles needs to be provided, and the 3D model of the object can be automatically generated under the assistance of a computer. The method is simple to operate, high in automation degree, low in cost and strong in sense of reality.
The 3D model is large in data size, and a large amount of time is consumed for display, so that the 3D model is divided into at least one sub data block, namely, the large 3D model data is divided into smaller sub data blocks.
According to the embodiment of the invention, all the divided small sub-data blocks are displayed according to the preset rule, and a user can view part of the 3D model along with the gradual display of the small sub-data blocks until all the sub-data blocks are displayed, complete the loading of the 3D model and view the complete 3D model.
Therefore, the embodiment of the invention gradually finishes the loading of the 3D model through the divided sub data blocks, can optimize the loading of the 3D model and improve the display effect of the 3D model.
EXAMPLE seven
In another embodiment of the present invention, the segmentation module 51 is specifically configured to segment the 3D model into at least one region, where each region is a sub data block.
According to the embodiment of the invention, the 3D model is divided into the areas with one less 3D model, and each area is a sub data block.
According to the embodiment of the invention, at least one region of the segmented 3D model is completely displayed according to the preset rule, a user can view part of the 3D model along with the display of each region until all the regions are displayed, the loading of the 3D model is completed, and the user views the whole 3D model.
Therefore, the loading of the 3D model is gradually completed through at least one region of the segmented 3D model, the loading of the 3D model can be optimized, and the display effect of the 3D model is improved.
Example eight
The present invention further provides another embodiment, wherein the preset rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
Specifically, the viewpoint includes human eyes or an image capturing device such as a camera or a video camera, and the viewpoint projects light rays to the 3D plane to intersect with the 3D plane to obtain the focus. The shorter the distance from the focal point of the 3D plane, the more preferentially the region is displayed, so that the user can preferentially obtain the 3D model image of the region where the focal point is located and in the vicinity of the focal point, and the display effect of the 3D model is further improved.
Specifically, the region with the larger number of times of intersection with the line of sight is a region of the 3D model that the user often views, and the region with the larger number of times of intersection with the line of sight is preferentially displayed, so that the display effect of the 3D model can be further improved.
Specifically, the area earlier at the time point of intersection with the line of sight is the area of the 3D model that is viewed by the user first, and the area earlier at the time point of intersection with the line of sight is preferentially displayed, so that the display effect of the 3D model can be further improved.
According to the embodiment of the invention, all the subdata blocks are displayed according to the preset rule, the loading of the 3D model is completed, and the display effect of the 3D model can be further improved.
Example nine
In still another embodiment of the present invention, the segmentation module 51 is specifically configured to segment the 3D model into at least one layer of images, where each layer of images is a sub-data block.
The embodiment of the invention carries out layering on the 3D model, and divides the 3D model into at least one layer of image, wherein each layer of image is a sub data block.
According to the embodiment of the invention, all layered images are displayed according to the preset rule, a user can view the 3D model image with increased precision along with the display of each layer of image until the images of all layers are displayed, the loading of the 3D model is completed, and the user views the whole 3D model.
Therefore, the loading of the 3D model is gradually completed through the layered 3D model image, the loading of the 3D model can be optimized, and the display effect of the 3D model is improved.
Example ten
In another embodiment of the present invention, the loading module 52 is specifically configured to load the image layer by layer, gradually increase the display precision of the 3D model, and complete the loading of the 3D model.
Therefore, according to the embodiment of the invention, the display precision of the 3D model is gradually increased through the layered 3D model image, and the clearer 3D model image is gradually obtained by the user, so that the loading of the 3D model can be further optimized, and the display effect of the 3D model is improved.
EXAMPLE eleven
Fig. 6 is a schematic diagram of a hardware structure of an electronic device loaded with a 3D model according to an embodiment of the present application, where as shown in fig. 6, the electronic device includes:
one or more processors 610 and a memory 620, with one processor 610 being an example in fig. 6.
The electronic device performing 3D model loading may further include: an input device 630 and an output device 640.
The processor 610, the memory 620, the input device 630, and the output device 640 may be connected by a bus or other means, such as the bus connection in fig. 6.
The memory 620, as a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules (e.g., the segmentation module 51 and the loading module 52 shown in fig. 5) corresponding to the 3D model loading method in the embodiment of the present application. The processor 610 executes various functional applications of the server and data processing by running nonvolatile software programs, instructions and modules stored in the memory 620, that is, the method for loading the 3D model of the above method embodiment is implemented.
The memory 620 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the 3D model loading electronic device, and the like. Further, the memory 620 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 620 optionally includes memory located remotely from processor 610, which may be connected to a processing device for 3D model loading via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 630 may receive input numeric or character information and generate key signal inputs related to user settings and function control of the 3D model loading electronic apparatus. The output device 640 may include a display device such as a display screen.
The one or more modules are stored in the memory 620 and, when executed by the one or more processors 610, perform a method of 3D model loading in any of the method embodiments described above.
The product can execute the method provided by the embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For technical details that are not described in detail in this embodiment, reference may be made to the methods provided in the embodiments of the present application.
The electronic device of the embodiments of the present application exists in various forms, including but not limited to:
(1) mobile communication devices, which are characterized by mobile communication capabilities and are primarily targeted at providing voice and data communications. Such terminals include smart phones (e.g., iphones), multimedia phones, functional phones, and low-end phones, among others.
(2) The ultra-mobile personal computer equipment belongs to the category of personal computers, has calculation and processing functions and generally has the characteristic of mobile internet access. Such terminals include PDA, MID, and UMPC devices, such as ipads.
(3) Portable entertainment devices such devices may display and play multimedia content. Such devices include audio and video players (e.g., ipods), handheld game consoles, electronic books, as well as smart toys and portable car navigation devices.
(4) The server is similar to a general computer architecture, but has higher requirements on processing capability, stability, reliability, safety, expandability, manageability and the like because of the need of providing highly reliable services.
(5) And other electronic devices with data interaction functions.
The implementation of the present invention is further illustrated by a specific application scenario of the present invention.
The invention is applied to a computer device or a portable device, and the 3D model is loaded through the computer device or the portable device.
Referring to fig. 7, the method includes:
701. and dividing the 3D model into at least one area, wherein each area is a sub data block.
702. And displaying all the sub data blocks according to a rule which is displayed preferentially according to an area with shorter distance from the 3D plane focus, and finishing the loading of the 3D model.
Therefore, the user can preferentially obtain the 3D model images of the area where the focus is located and near the focus, and then the areas which are farther away from the focus are gradually displayed until all the areas are displayed, so that the user can watch the whole 3D model.
Therefore, the loading of the 3D model is gradually completed through at least one region of the segmented 3D model, the loading of the 3D model can be optimized, and the display effect of the 3D model is improved. .
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products of embodiments. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A3D model loading method is characterized by comprising the following steps:
dividing the 3D model into at least one subdata block;
and displaying all the subdata blocks according to a preset rule to finish the loading of the 3D model.
2. The method of claim 1, wherein the partitioning the 3D model into at least one sub-data block is:
and dividing the 3D model into at least one area, wherein each area is a sub data block.
3. The method of claim 2, wherein the predetermined rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
4. The method of claim 1, wherein the partitioning the 3D model into at least one sub-data block is:
and dividing the 3D model into at least one layer of image, wherein each layer of image is a sub data block.
5. The method of claim 4, wherein the displaying all the sub data blocks according to the preset rule, and the loading of the 3D model is accomplished by:
and loading the images layer by layer, gradually increasing the display precision of the 3D model, and completing the loading of the 3D model.
6. A 3D model loading apparatus, comprising:
a segmentation module for segmenting the 3D model into at least one sub-data block;
and the loading module is used for displaying all the subdata blocks according to a preset rule to finish the loading of the 3D model.
7. The apparatus of claim 6, wherein the segmentation module is specifically configured to segment the 3D model into at least one region, each region being a sub-data block.
8. The apparatus of claim 7, wherein the preset rule is:
the shorter the distance from the 3D plane focus, the more preferentially the area is displayed; or,
the more times of intersection with the sight line, the more priority the display is; or,
the earlier the time point of intersection with the line of sight is, the more priority is given to display.
9. The apparatus of claim 6, wherein the segmentation module is specifically configured to segment the 3D model into at least one layer of images, each layer of images being a sub-data block.
10. The apparatus of claim 9, wherein the loading module is specifically configured to load the image layer by layer, gradually increase a display accuracy of the 3D model, and complete loading of the 3D model.
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