You can add or remove operations from the sample pipeline.

1. Click + Add operation...
   
2. The operation list is grouped in four groups by their typology.
   
2. To add the operation to the current pipeline, double-click it. Alternatively, drag & drop the operation to the current Pipeline.
   Note: The operation cannot be added during the Pipeline execution.
3. The operation will be inserted at the end of the group of operations to which it belongs.
   Voxel operations are positioned before the segment generation. Store operations are always put at the end of the Pipeline.
3. To remove an operation, click Close at the Operation toolbar.