Use this tool to select a circular area of the image.
The program displays a statistical analysis of this area (minimum and maximum values, mean value, standard deviation and area).
Press and hold down the <Ctrl> key, click on the text of the ROI and move it to change the position of the text.
Press and hold down the <Ctrl> key, click on an edge of the ROI and move it to change the shape of the ROI.
Press and hold down the <Ctrl> key, click on the center of the ROI and move it to change the position of the ROI.
Press and hold down the <Shift> key and click on an edge of the ROI to delete the ROI.
Related Topics
Tools menu
Level-Window
Frame Browser
Zoom In/Out
Zoom Window
Dynamic Zoom
Rectangular ROI
Intensity/Color Picker
Measure Distance
Measure Angle (Vertex: 1st point)
Measure Angle (Vertex: 2nd point)
Measure Cobb Angle
Polyline
Annotation Text
Annotation Arrow
Erase Annotation/Measurement
Move Annotation/Measurement