To turn off the selection of one of these tools click on the "Window" button to set the mouse button to the default window function.
The buttons have the following functions:
Mark Enable the polygon Region of Interest (ROI) marking tool. The left mouse button is then used to create or edit closed boundaries on the image.
Length Activate the length tool. This mode permits lines to be drawn and moved on the image. The length of the line is shown.
BiDir. This enables the bid-directional marking tool. The left mouse button is used to position the points for a bi-directional measure. The measured distance values are shown.
Probe This enables the probe tool which shows the pixel values when the mouse (left button) is dragged on the image
Rect. This enables a rectangle selection tool; the area and mean and standard deviation of the pixel values are displayed. Multiple ROIs may be created. The "ROI Inf." tool will provide additional information on the most recently created rectangle.
Erase This tool can erase boundaries and all other annotation types. Click on it to activate. Then clicking on a marking will delete it. Click on thee erase button a second time to deactivate it
Save Create a permanent bookmark for the current boundary annotations. See Annotations for more information on saved annotations and boundaries.
Clear Delete the points and boundaries currently being edited.