Ground and Ceiling Mover

The Ground and Ceiling Mover is a two-way slider on the bottom right of the point cloud that allows users to hide points from ceiling to ground and vice-versa while labeling an object.

Ground and Ceiling sliders help filter out points which the user does not need to view.

Benefits

• Enhanced Focus: Allows annotators to concentrate on a specific area of interest, eliminating distractions from irrelevant regions.

• Increased Annotation Accuracy: Provides a clearer view of smaller, detailed areas, aiding precise annotation.

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Steps to use Ground and Ceiling Slider

1

Use case: hide unnecessary points

On hiding unnecessary points, users can more accurately mark the points belonging to the object. For example, a car parked under a tree can be marked easily from the top view by sliding the marker from the ceiling lower to hide points belonging to the tree top.

2

Shortcuts to change levels

• Ground Level (increase/decrease): G + Up/Down Arrow

• Ceiling Level (increase/decrease): C + Up/Down Arrow