CN116700693B - Hololens anchor point positioning storage method, system, equipment and medium - Google Patents
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The application provides a Hollolens anchor point positioning and storing method, a system, equipment and a medium, and relates to the technical field of augmented reality and mixed reality. The method comprises the following steps: acquiring sensor data of hollens, acquiring the space position of hollens equipment through the sensor data, and generating hollens space; in the space, positioning the space position coordinates of the equipment to be (0, 0), setting an anchor point prefabricated body on the coordinate position, adjusting the position and the direction of the anchor point prefabricated body, and storing the anchor point data; exporting anchor point data, downloading and storing an export file; and loading the export file by using the UnityWebRequest to generate a positioning anchor point. The anchor point locating, editing and storing functions which are efficient and easy to use are provided for the Hololens application program by using the Unity engine and the Microsoft HoloLens platform.
Description
Technical Field
The application relates to the technical field of Augmented Reality (AR) and Mixed Reality (MR), in particular to a Hollolens anchor point positioning and storing method, a system, equipment and a medium.
Background
Augmented Reality (AR) and Mixed Reality (MR) technologies have attracted considerable attention in recent years. These techniques provide an immersive experience by overlaying virtual objects into the physical world. One key aspect of AR/MR applications is the accurate locating, editing and storing of anchors. The anchor point serves as a reference point in the physical environment, ensuring that the virtual object is aligned with the real world. Hollens 2 (mixed reality head mounted display device) is an Augmented Reality (AR) head mounted device marketed by microsoft for providing an immersive augmented reality experience. In hollens 2, anchor point positioning is an important function for marking the location of virtual content in the real world in order to maintain a consistent location for subsequent use.
However, hollens do not provide an intuitive way of creating an anchor point, and do not provide an intuitive editor to edit a related anchor point, and do not have a good way of saving anchor point data. For a developer, a great deal of time is consumed each time to write the anchor point positioning editing and storing functions of the developer, and the work efficiency is seriously affected.
Disclosure of Invention
In view of this, embodiments of the present application provide a method, a system, a device, and a medium for positioning and storing hollens anchor points, so as to provide efficient and easy-to-use anchor point positioning, editing, and storing functions for hollens applications by using a Unity (real-time 3D interactive content creation and operation platform) engine and a Microsoft (Microsoft) hollens platform.
The embodiment of the application provides the following technical scheme: a method for positioning and storing Hollolens anchor points based on units comprises the following steps:
acquiring sensor data of hollens, acquiring the space position of hollens equipment through the sensor data, and generating a corresponding hollens space;
positioning the space position coordinates of the hollens device to be (0, 0) in the hollens space, and setting anchor point preform information on the (0, 0) coordinate position;
adjusting the position and direction of the anchor point preform to realize anchor point positioning and storing the anchor point data;
exporting the anchor point data to generate an export file with suffix name of bytes, and downloading and storing the export file;
and loading the export file by using the UnityWebRequest to generate a positioning anchor point.
According to an embodiment of the present application, the anchor point preform information includes: editing panel prefab, anchor prefab and script information.
According to one embodiment of the present application, the position and direction of the anchor point preform are adjusted to realize anchor point positioning, including:
in the Hollolens space, the position and the direction of the anchor point preform are greatly adjusted in a gesture grabbing mode, and then the position and the direction of the anchor point are finely adjusted by using the editing panel preform, so that anchor point positioning is realized.
According to one embodiment of the application, storing the anchor point data includes:
and storing the position coordinates, the directions and the anchor attribute of the anchor point as a record file to be stored locally.
According to one embodiment of the present application, further comprising: and storing the anchor point data by adopting a Save method of WorldEnchor.
According to one embodiment of the present application, exporting the anchor data to generate an export file with suffix name of bytes includes:
the anchor point data is added by using an AddWorldAchorlDanchor method of WorldActerTransferBatch, and then asynchronous export is carried out by using an ExportAsync method, so that an export file with the suffix name of. Bytes is generated.
According to one embodiment of the present application, the method for generating a positioning anchor point by loading the export file using a UnityWebRequest includes:
and loading the export file through a UnityWebRequest, setting the loaded file information in an AR/MR application program to be developed through an ImportAsync method of WorldAchorTransferBatch, and generating the positioning anchor point in the AR/MR application program to be developed.
The application also provides a unit-based hollens anchor point positioning and storing system, which comprises:
the space generation module is used for acquiring sensor data of Holoins, acquiring the space position of Holoins equipment through the sensor data and generating a corresponding Holoins space;
the anchor point setting module is used for positioning the space position coordinate of the Hololens equipment to be (0, 0) in the Hololens space and setting anchor point preform information at the (0, 0) coordinate position;
the positioning and storage module is used for adjusting the position and the direction of the anchor point preform, realizing anchor point positioning and storing the anchor point data;
the export module is used for exporting the anchor point data to generate an export file with suffix name of bytes, and downloading and storing the export file;
and the loading module is used for loading the export file by adopting the UnityWebRequest and generating a positioning anchor point.
The application also provides computer equipment, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the method for positioning and storing the Hollolens anchor points based on the units is realized when the processor executes the computer program.
In another aspect, the present application further provides a computer readable storage medium, where a computer program for executing the method for positioning and storing a hollens anchor point based on the unit is stored.
Compared with the prior art, the method for positioning, editing and storing the hollens anchor points based on the units has the following effects and advantages:
simplified development: the present application provides an integrated solution for anchor point location, editing and storage for holonens applications. The developer can quickly create and manage anchor points by utilizing the powerful functions and usability of the Unity game engine without writing complex codes.
High-efficiency positioning: the application realizes high-precision anchor point positioning and tracking by utilizing the built-in sensor and algorithm of holonens. By aligning the anchor point with the real world environment, the user can accurately place virtual objects in physical space, providing a more realistic augmented reality experience.
Visual editing: the application provides an intuitive editing interface, so that a developer can easily adjust the attribute and the position of the anchor point. Through gesture recognition, menus, and User Interface (UI) elements, a developer can quickly modify the size, direction, and other attributes of anchor points to meet specific application requirements.
Data persistence: the application supports the persistent storage of anchor point data and ensures that anchor point information is reserved in different application program sessions. With local data storage, anchor data may be stored and transmitted locally on the device or otherwise to reload and restore anchor status when needed.
Development efficiency is improved: the technical scheme of the application simplifies the flow of anchor point positioning, editing and storing, and saves development time and energy. The developer can focus on the core functionality and user experience of the application without having to pay excessive attention to anchor management and operation.
In conclusion, the method for positioning, editing and storing the hollens anchor points based on the units provides powerful tools and technical support for the application development of augmented reality and mixed reality. It simplifies the development process, improves the positioning accuracy, enhances the editing flexibility, and saves time and effort for the developer, thereby promoting the innovation and development of AR/MR application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow diagram of a method according to an embodiment of the present application;
FIG. 2 is a system block diagram of an embodiment of the present application;
FIG. 3 is a schematic diagram of a computer device of the present application.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, an embodiment of the present application provides a method for storing anchor points of hollens (mixed reality head-mounted display device) based on units (real-time 3D interactive content creation and operation platform), including:
s101, acquiring sensor data of hollens, acquiring the space position of hollens equipment through the sensor data, and generating a corresponding hollens space;
the embodiment of the application utilizes the built-in sensor and algorithm of HoloLens to realize the accurate positioning and tracking of the virtual object in the physical world. The hollens space is generated by using hollens' sensor data and API (application programming interface) in Unity, and the anchor points are aligned with the real world environment.
S102, positioning the space position coordinates of the Holoins equipment as (0, 0) in the Holoens space, and setting anchor point preform information on the (0, 0) coordinate position; the anchor point preform information includes: editing panel prefab, anchor prefab and script information.
In this step, an anchor preform is created, and a block preform is placed at a position where the spatial coordinates are (0, 0), the preform will be the final anchor, and a box collider and an MRTK (Mixed Reality Toolkit toolkit) internal operation component are added to the preform, so that the preform can be arbitrarily dragged and placed in space.
S103, adjusting the position and the direction of the anchor point preform to realize anchor point positioning and storing anchor point data;
when the position and the direction of the anchor point are adjusted, aiming at the problem that the hand and eye positioning function of the hollens can not adjust the fine state of the object, the embodiment of the application develops an editor to adjust the position of the anchor point preform in the direction of the XYZ axis and the rotation direction of the XYZ axis, so that the most accurate positioning is achieved.
The method specifically comprises the following steps: in the Hollolens space, the position and the direction of the anchor point preform are greatly adjusted in a gesture grabbing mode, and then the position and the direction of the anchor point are finely adjusted by using the editing panel preform, so that anchor point positioning is realized.
The present application provides a variety of methods of editing anchor properties and locations. For example, the function of intuitively adjusting anchor properties is implemented through gesture recognition, menus, and User Interface (UI) elements. Meanwhile, anchor point data are supported to be stored in local output of the device, so that data persistence and synchronization are achieved.
In one embodiment, a world data space anchor stores an export file of anchor data, providing a method of retaining objects in a particular location and rotation state. The present embodiment uses Handling Locatability Changes (process locatable capability change) to process location change, subscribes to anchor change by the method of the OnTrackingChanged event, and then uses WorldAchor's Save method to Save anchor information.
S104, exporting the anchor point data, generating an export file with suffix name of bytes, downloading and storing the export file;
the application stores the position coordinates, the direction and other attributes of the anchor points as record files to be stored locally, can be directly loaded in next use, and can be directly loaded by deploying a plurality of devices.
In one embodiment, the anchor information is derived, and the anchor information is added first using the addworld method of world transferbatch, and then asynchronously derived using the ExportAsync method. The bytes are used as suffixes, and the exported data information can be uploaded to a server or can be stored locally, and is determined according to the requirement.
S105, loading the export file by using a UnityWebRequest (UnityWebRequest provides a modular system for constructing HTTP requests and processing HTTP responses) to generate a locating anchor.
The embodiment of the application realizes a data persistence and loading mechanism, and can keep anchor point data in operation. The anchor point data is saved as a file or record on the device by using file system operation or data stream read-write operation in Unity, and the stored anchor point data is loaded when each application program is started, so that the anchor point is re-created.
In one embodiment, the anchor information is imported, and the anchor information can be imported by the AR/MR application to be developed for use, where the anchor information is used by loading an information file through UnityWebRequest, and the loaded information is set by the inportasync method of worldalchortransferbatch, so that the required information is loaded into the AR/MR application to be developed for use as a positioning anchor.
The technical principle of the embodiment of the application is to utilize the function of Unity and the sensor technology of holonens, thereby realizing efficient anchor point positioning, editing and storage. It provides a convenient development tool and interface that enables developers to more easily create excellent AR/MR applications and provides users with a more immersive and realistic experience.
A specific implementation step of the method of the embodiment of the application is as follows:
1. the plug-in for importing the Hollolens anchor point positioning storage method of the embodiment comprises an editing panel prefabricated body, an anchor point prefabricated body and related scripts.
2. And dragging the editing panel prefabricated body and the anchor point prefabricated body into an empty scene or an AR/MR project head scene to be developed from the imported file, wherein the prefabricated bodies are originally in a hidden state.
3. Packaging according to a hollens packaging mode, installing the packaged program into a hollens helmet, and operating the program in the helmet to perform anchor point positioning editing.
4. And running a program, namely waking up an anchor editing interface and operating an anchor object by using a sound control 'starting to edit the anchor', manually grabbing the anchor block, placing the anchor block to a required position, and finely adjusting the position and the rotation direction of an anchor preform by using an editor panel (position adjustment is performed by using 'left-shift', 'right-shift', 'forward', 'backward' buttons, and rotation direction adjustment is performed by using arrow buttons of front, back, left and right directions).
5. After the anchor point position is determined to have no problem, the anchor point information is saved by clicking a save button.
6. And clicking the export anchor point, wherein anchor point information is generated as an information file with suffix name of bytes and is positioned in an AR/MR project folder to be developed, and the information file can be downloaded and stored to any required position (the address in the ExportAnchorScript script can be modified and stored in any required position, and the default position is positioned below a path corresponding to a persistence DataPath of the platform).
7. The anchor point information is loaded, the AR/MR project to be developed which needs to use the anchor point information can directly place the anchor point file in a reading path, and the information is automatically read after a program is opened. (the place where this is placed is also open, the place where it is needed to read is modified in the ImportAnchorScript script, the default place is under the path corresponding to the persistent DataPath of the platform).
As shown in fig. 2, another aspect of the present application further provides a unit-based hollens anchor point positioning storage system 200, including:
a space generating module 201, configured to obtain sensor data of hollens, obtain a spatial position of hollens equipment according to the sensor data, and generate a corresponding hollens space;
an anchor point setting module 202, configured to locate, in the hollens space, a spatial position coordinate of the hollens device as (0, 0), and set anchor point preform information at the (0, 0) coordinate position; the anchor point preform information includes: editing panel prefab, anchor prefab and script information.
The positioning and storage module 203 is configured to adjust a position and a direction of the anchor point preform, implement anchor point positioning, and store the anchor point data;
specifically, in the hollens space, the position and the direction of the anchor point preform are greatly adjusted in a gesture grabbing mode, and then the position and the direction of the anchor point are finely adjusted by using the editing panel preform, so that anchor point positioning is realized.
The export module 204 is configured to export the anchor data to generate an export file with suffix name of bytes, and download and store the export file;
and the loading module 205 is configured to load the export file by using a UnityWebRequest, and generate a positioning anchor.
The application creates and manages anchor points in Unity by using plug-ins such as holoneens development kits (e.g., holoToolkit) or Mixed Reality Toolkit (MRTK). The developer can directly use the tool kit of the embodiment of the application to add, edit and delete anchor points in the Unity scene.
In one embodiment, a computer device is provided, as shown in fig. 3, including a memory 301, a processor 302, and a computer program stored on the memory and executable on the processor, where the processor implements any of the above-mentioned units-based hollens anchor point positioning storage methods when the computer program is executed.
In particular, the computer device may be a computer terminal, a server or similar computing means.
In the present embodiment, a computer-readable storage medium storing a computer program for executing any of the above-described units-based hollens anchor point positioning storage methods is provided.
In particular, computer-readable storage media, including both permanent and non-permanent, removable and non-removable media, may be used to implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer-readable storage media include, but are not limited to, phase-change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable storage media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a storage device for execution by computing devices, and in some cases, the steps shown or described may be performed in a different order than what is shown or described, or they may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps in them may be fabricated into a single integrated circuit module. Thus, embodiments of the application are not limited to any specific combination of hardware and software.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (6)
1. A method for positioning and storing Hollolens anchor points based on units is characterized by comprising the following steps:
acquiring sensor data of hollens, acquiring the space position of hollens equipment through the sensor data, and generating a corresponding hollens space;
positioning the space position coordinates of the hollens device to be (0, 0) in the hollens space, and setting anchor point preform information on the (0, 0) coordinate position;
adjusting the position and direction of the anchor point preform to realize anchor point positioning and storing the anchor point data;
exporting the anchor point data to generate an export file with suffix name of bytes, and downloading and storing the export file;
loading the export file by adopting a UnityWebRequest to generate a positioning anchor point;
adjusting the position and direction of the anchor point preform to realize anchor point positioning, comprising:
in the hollens space, the position and the direction of the anchor point preform are greatly adjusted in a gesture grabbing mode, and then the editing panel preform is used for fine adjustment of the position and the direction of the anchor point, so that anchor point positioning is realized;
further comprises: storing the anchor point data by adopting a Save method of WorldEnchor;
exporting the anchor point data to generate an export file with suffix name of bytes, including:
adding the anchor point data by using an AddWorldAchorlDanchor method of WorldActerTransferBatch, and then asynchronously exporting by using an ExportAsync method to generate an export file with suffix name of bytes;
loading the export file by using a UnityWebRequest to generate a positioning anchor point, including:
and loading the export file through a UnityWebRequest, setting the loaded file information in an AR/MR application program to be developed through an ImportAsync method of WorldAchorTransferBatch, and generating the positioning anchor point in the AR/MR application program to be developed.
2. The unit-based hollens anchor point positioning storage method according to claim 1, wherein the anchor point preform information includes: editing panel prefab, anchor prefab and script information.
3. The method for positioning and storing a unit-based hollens anchor point according to claim 1, wherein storing the anchor point data comprises:
and storing the position coordinates, the directions and the anchor attribute of the anchor point as a record file to be stored locally.
4. A unit-based hollens anchor point location storage system applying the method of any one of claims 1 to 3, comprising:
the space generation module is used for acquiring sensor data of Holoins, acquiring the space position of Holoins equipment through the sensor data and generating a corresponding Holoins space;
the anchor point setting module is used for positioning the space position coordinate of the Hololens equipment to be (0, 0) in the Hololens space and setting anchor point preform information at the (0, 0) coordinate position;
the positioning and storage module is used for adjusting the position and the direction of the anchor point preform, realizing anchor point positioning and storing the anchor point data;
the export module is used for exporting the anchor point data to generate an export file with suffix name of bytes, and downloading and storing the export file;
and the loading module is used for loading the export file by adopting the UnityWebRequest and generating a positioning anchor point.
5. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the unit-based hollens anchor point location storage method of any of claims 1 to 3 when the computer program is executed by the processor.
6. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for executing the unit-based hollens anchor point positioning storage method of any one of claims 1 to 3.
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| CN114663631A (en) * | 2022-02-22 | 2022-06-24 | 浙江毫微米科技有限公司 | Method and device for establishing spatial anchor point, electronic equipment and storage medium |
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