View 3D real scene mesh
This article details how to preview spatial models using Unity and the Mega plugin, including the complete process of Unity installation, plugin import, Block viewer tool addition, and loading mapping results.
Environment preparation
Before previewing spatial models, you need to install Unity and import the Mega plugin.
Install Unity
Install Unity 2021.3 or later long-term support (LTS) version. Download addresses:
- Mainland China region: Download the installation package from Unity Chinese page and follow the official instructions for installation.
- Other regions: Download the installation package from Unity official website and follow the official instructions for installation.
First download Unity Hub, then you can select the Unity version on the webpage and download it from Hub, or select and install it in Unity Hub.
Login/register Unity account
Open Unity Hub, log in to your Unity account (register if you don't have one).
Activate Unity license
Activate the corresponding license type according to actual needs. Note: Due to differences in Unity Hub versions or language settings, the interface may vary slightly, but the core activation process remains consistent.
Create a new Unity project
In some versions, such as Unity 6, you need to download the corresponding template before creating a project.
Download Mega Unity plugin
Log in to your EasyAR account and go to the download page.
Download the file indicated by the arrow in the image.
After decompressing the downloaded .zip file, you will get the following directory structure:
Important
Note: Do not decompress .tgz files. These are Unity packages that need to be imported directly through Unity Package Manager.
.
└── EasyARSenseUnityPluginForMega_**.zip # Complete installation package
├── com.easyar.mega-**.tgz # Contains annotation tool and Block viewer tool
├── com.easyar.sense-**.tgz # Contains EasyAR Sense core library and Unity plugin
├── readme.cn.txt # Chinese readme file
└── readme.en.txt # English readme file
Version number description: ** in the file name represents the version number, formatted as: Major.Minor.Patch + BuildNum.BuildHash. Please refer to the latest official release.
Import packages (UPM packages) into the project
Click Window -> Package Management -> Package Manager, then click the + sign in the top left corner of the pop-up window and select Install package from tarball....
Import in order:
com.easyar.sense-**.tgz
com.easyar.mega-**.tgz
Note
Before importing, it is recommended to copy the .tgz files to your Unity project folder (e.g., store them in the Packages directory).
Do not move or delete these .tgz source files after importing, otherwise Unity will not be able to load the corresponding packages.
Verify successful plugin import
Right-click in the Hierarchy panel. If you can see the component creation options for EasyAR Sense and EasyAR Mega, it means the plugins were imported successfully.
Add Block viewer tool
Right-click in a blank area of the Hierarchy panel and select EasyAR Mega > Tool > Block Viewer (Edit Mode).
A new node will appear after adding.
Load mapping result Block
Log in to EasyAR account
Click the added node and enter your EasyAR account username and password in the toolbar.
Select corresponding cloud service and repository
Click the button in the top right corner of the cloud service component. In the pop-up dialog, select Mega Block -> Mega Block Storage Service, then choose the repository containing the mapping results below, and finally click the "OK" button.
Load Block
Select the mapping result Block in the Mega Blocks component and click the "Load" button to preview the spatial model in the scene.
If unfamiliar with Unity operations, refer to Unity beginner tutorial.
Preview of Block effect is as follows:
Related topics
- View mapping results
- Preview model positioning effect