Overview: Smart Brush is best used to paint a large clustered point quickly.
Steps to paint with Smart Brush:
Select a category from the editor.
Selecting Smart Brush: Click on Paint at the top panel and select 'Paint with Smart Brush' or use right-click at the type selection.
Semantic Paint: To Create Paint Label, Select a class and use left-click to paint a cluster of points.
To paint another category change category type and paint using left-click.
By increasing the distance, It would increase the search radius to expand the smart brush.
By increasing the number of points, it would increase the difficulty for the cluster to grow as more number of points are required to be considered as the core point of the cluster.
You can also view the point cloud that is painted in the camera view by clicking on the “P”
You need to save by click on Paint at the top panel and then click on save.
To erase, hold “e” or click on the eraser icon to erase the paint