# Napari Manual Segmentation Tutorial¶

This notebook demonstrates how to use Napari to manually edit a segmentation. To learn about generating an automatic segmentation and uploading segmentations to the cloud, refer to the segmentation pipeline demo.

## Ensure Napari is in 2D-slice viewing¶

### 3. Click on the layer for your existing automatic segmentation mask.¶

Alternatively, create a new layer for the segmentation mask.

### 5. Click and drag on the image to adjust labels. Changes are saved automatically, and CMD-Z to undo is supported.¶

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