Adding a Polygonal ROI on an Image
Introduction
Use the Polygonal ROI option to highlight a region of interest on an image.
Steps
- Right-click the image to display a context menu.
- Select Annotations > Polygonal ROI.
- Click on multiple points of the image to create the vertices of the polygonal ROI.
- Close the ROI shape by joining the end point of the shape to the starting point.
Additional Options
Click Polygonal ROI 
on the icon
menu.
Results
Synapse displays ROI measurements as defined in the Annotations panel in User Settings. See Configuring Annotations Settings.