==== Main Viewer ==== The Main Viewer is always opened at first. It shows the 2D image stacks. 3D images are shown as a projection along the z axis. ==== Usage ==== In order to enlarge images press the Shift key and scroll to the mouse. It is possible to adjust the gray values of the images. As a result the histogram changes. To show the histogram it is necessary to check the checkbox. To activate the ruler push the button \\ **1D Main Viewer** {{:eyes:viewer:1dmainviewer.png?nolink |}} \\ **2D Main Viewer** \\ **3D Main Viewer** \\ Here, the projection along z is shown for each 3D image.