Brief: Select point cloud data in sphere.
Click the Sphere Selection button to activate this function (Click again if you want to deactivate it).
Add the center point of sphere by left click. Then move cursor to adjust radius.
(Optional) Delete the center point by right click, if it's unwanted.
Left double click to confirm the radius. The selected points in the sphere are highlighted.
(Optional) Combine multiple selections.
- (Optional) Remove unwanted points from the selected, if Subtract Selection is active. The removed points are no more highlighted.
Shortcut Key: Press Ctrl + Z to undo the selection operation.
Note: This function is only applicable to point cloud data.