Drawing a 2-point circle markupTopic number: 1425412327252

Use the Circle (2-points) markup tool to annotate or measure a circular region of interest.

To draw a 2-point circle markup
  1. In the Image area top toolbar, click ROI tools > Circle (2-points).

    A circle appears beside the pointer to indicate that the markup tool is active.

  2. Point to the region of interest and click to place the first handle defining the circle.
  3. Move the pointer to enlarge or reduce the circle.
  4. Click to place the second handle, completing the circle.
  5. Press Esc to deactivate the markup tool.