Enlarge The Enlarge button changes the mouse pointer to a magnifying glass with a positive sign in its center. If you then click anywhere in the Model window, Graphic Groundwater will enlarge the image by the factor set in the View Preferences window. The grid will shift, so that the (x,y) coordinate of the point beneath the positive sign becomes the center of the screen. It is this shift in the grid position that makes the results of enlarging an image through this process different than enlarging the image with the Enlarge command under the View menu. To return to the standard mouse pointer, you again click on the Enlarge button.