Resizing an ROI
ROIs can be resized by moving their control points.
To resize an ROI:
Click on the Select tool from the ROI toolbar.
Click on the ROI you want to resize.
The selected ROI is highlighted.
Position the cursor over the control point that you want to move.
If the cursor is positioned correctly, the Resize tool [ or ] appears over the control point.
Click and drag the control point to the desired location.
Learn more about all features in The Select Tab