alvarado: @CHG: The three contour representations in the LTI-Lib border, ioPoints and area points have methods to generate masks from them. It was until now not very useful, that the methods resized the mask to include only the points in the list and always intialize it with zero. A new parameter has been added that allows to superpose the new points to a previously existing mask. Also, the mask is only resized, if the points in the contour lay outside of the current mask size. The mask size will never be reduced.