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Version: v2.2.0

Split Segment

Create, manage, and organize segments using the toolbar controls described below.

  • The Split Segment tool divides a segment into two or more parts.

Steps:​

  • Choose the Split Segment tool.

  • Select the parent segment to be divided.

  • Paint representative regions in the 2D view for each of the resulting sub-segments listed in the Split Segments table

  • Click Initialize/Update to compute the split based on the painted regions.

  • Click Show Preview to view the proposed split in the 3D view.

  • Adjust the preview opacity slider to control transparency.

  • Click Apply to commit the operation to the segment.

Additional Information​

Split Segment Table​

  • Use the add/remove controls in the Split Segments table to define how many sub-segments the parent will be divided into.
  • Click the color swatch next to any sub-segment entry to assign it a distinct color.

Changing Parent Segment​

  • Use the Parent Segment dropdown to select a different source segment to split.

Apply/Update Changes​

  • Click Initialize/Update to refresh the preview after making changes.

Preview​

  • The 3D view displays a preview of the multi-slice operation result.

Opacity​

  • Use the opacity control to adjust the transparency of the preview overlay.

Reset Preview​

  • Click Reset to clear the current preview and start the split definition over.

Operation​

  • Switch between Add (extends segment across slices) and Remove (deletes from slices) operations.
  • Add : Adds segmentation data to all slices within the painted region.
  • Remove : Removes segmentation data from all slices within the painted region.
  • Brush Shape : Circle, Square, and Lasso are the main types of brush shapes you can choose from.

Split Segment

  • Brush Size : Adjusts the diameter of Circle brushes and the side length of Square brushes. Not applicable when using the Lasso shape.