In all drawing modes the mouse pointer will snap to a near by point. This will ensure an exact point is specified by the mouse. To which kind of point it will snap can be adjusted. The LayoutEditor supports 6 different kinds of snapping. The reduced version only supports snapping to grid and to point. All other snapping kinds will need to full version of the LayoutEditor. Snapping can be activated on an individual basis via the main menu and a tool bar. By default, after starting LayoutEditor, only Snap to Grid is activated. Snapping is not active in non-modifying modes like Zoom Mode.

no snapping snapping with the LayoutEditor
snap grid
mouse point snap to the nearest grid point
grid snapping in the LayoutEditor
snap to point
mouse point snap to any vertex of an existing shape
vertex snapping
snap to line
mouse point snap to any point on the edge of an existing shape
line snapping
snap to middle of line
mouse point snap to the middle of an edge on an existing shape
line gds snapping
snap to center
mouse point snap to the center of an existing shape
center snapping with the gdsii editor
snap to intersection
mouse point snap to the intersection of two shapes
intersection snapping with the LayoutEditor