This geometry shape is drawn using can be drawn with a number of different tools.
Brush toolBrush tool
Box classification toolBox classification tool
Polygon classification toolPolygon classification tool
Projection classification toolProjection classification tool
You can lock/ unlock individual objects and classes or all simultaneously.
You can hide/ show individual objects and classes or all simultaneously.
As you move the cursor over the point cloud, a small tooltip follows it, showing the name of the classification under the cursor. The tooltip's border takes the color of that class, so you can quickly confirm which class a point belongs to without selecting it.
This feature will hide all labelled points in the point cloud. When it is active you will also see the number of points that have yet to be classified.
Eraser3D eraser