Flips selected item(s) to opposite side of board Heal Shapes Connect shapes, possibly extending or cutting them, or adding extra geometry Intersect Polygons Create the intersection of the selected polygons

the area. The fourth one changes the vertical size to fit in the area most of the histogram but cutting long peaks produced by outliers. You can also change the size of the histogram by clicking and dragging dragging vertically on the area or by double-clicking to change between "fit all" and "fit cutting long peaks". 8. This button brings up the auto levels dialog for the current channel. 9. These buttons Pressing this button will divide the selected segment in two, using the segment middle point as the cutting position. 4. Duplicate segment - Pressing this button will create a copy of the selected segment