addDrawPolyToolbar

Adds a polygon region of interest (ROI) draw button with masking functionality to the axes toolbar

Run addDrawPolyToolbar/addDrawPolyToolbar(axes_handle) to add a polygon ROI drawing button to the current/given axes (alternatively, run addDrawPolyToolbar([],{'roi','test'}) to create a test figure)

Press the button to interactively draw a polygon ROI

Press spacebar/enter to enable or disable the ROI masking of line objects

Moving/resizing the ROI automatically updates the masking

Press shift+s to save the current mask structure and the vertices coordinates to the workspace

Additional options included inside the function