Measuring the area of an ROITopic number: 1425412378475

Use the Area markup tool to measure the area of regions of interest (ROI).

To measure the area of an ROI
  1. In the Image area top toolbar, click the arrow next to the ruler to open the markup list and select ROI Tools > Area. Area
  2. Click the outline of the region of interest to measure to place the first handle of the markup tool.
  3. Click the outline of the ROI to place additional handles to more precisely delineate the region.

    At least three handles are needed to complete the markup. To finish drawing the markup, double-click on the image to place the last handle. If three or more handles have already been placed, you can also right-click to finish drawing.

  4. To fine-tune the outline of the region:
    1. Click the markup to select it.
    2. Right-click it and select Add/remove handle.
    3. Click an existing handle to remove it, or click near the existing outline of the markup to place additional handles.