Group Relation
Overview of the Group Relation relational data classification tool in Ango Hub
The Group Relation labeling tool allows you to create a relation between two or more annotations.

How to add a Group Relation tool to your project
From the project’s Settings tab, enter the Label Set section.
Click on Add Category. From the list that appears, click on Group.
A new row will appear named Group. Click on it to expand it.

Give your group relation tool a title and description.
Enable the Required toggle if you want to force labelers to create a group relation for each asset. When the toggle is disabled, labelers will be able to save and move to the next asset without creating the single relation.
How to Draw a Single Relation
There are two ways to add a group relation in Hub.
Click on the first label to include in the group relation. Then, shift-click on all other annotations you wish to include. Right-click on any one of them, and select your group relation under the Grouping menu item:

Click on any one of the Group Relation tools you have created from the Tools section on the left of the screen. Then, left-click on all annotations you wish to include. Press "N" on your keyboard when you are done to close the group relation.
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