You can select the units of the measurements from the options menu.
To end the polyline, double-click in the last point.
Right-click in the image to end the polyline without insertion of the last (floating) point.
To move a measurment, press and hold down the <Ctrl> key, click on the measurment, and move it arrount the image.
You can move a measurment with the Move Annotation/Measurement tool as well.
To delete a measurment, press and hold down the <Shift> key, and click on the measurment.
You can delete a measurment with the Erase Annotation/Measurement tool as well.
Related Topics
Pan Hand
Level-Window
Frame Browser
Zoom In/Out
Zoom Window
Dynamic Zoom
ROI
Rectangular ROI
Intensity/Color Picker
Measure Distance
Measure Angle (Vertex: 1st point)
Measure Angle (Vertex: 2nd point)
Measure Cobb Angle
Annotation Text
Annotation Arrow
Erase Annotation/Measurement
Move Annotation/Measurement