Bookmarks The Bookmarks function allows you to save your favourite images in a special folder. A number of bookmarks are provided with this title. Others can be added by you, as described below. Advanced bookmark features are described separately. Clicking on the Bookmarks button presents you with Add and Delete Bookmark buttons and a Selection Bar:     The Selection Bar has three components: Clicking on Scenes will open up a list of scene bookmarks. Clicking on a bookmark name in the list will replace the current 3D model with the one selected. There is a special Scene bookmark called Clear all; clicking on this name will remove the current 3D model and leave the screen blank. Clicking on Groups will open up a list of bookmarks for groups of structures which can be added to the current 3D model. Alongside each bookmark name are a number of icons: use the x (Xray) icon to make the bookmarked structure group transparent in the 3D model, use the o (Opaque) icon to make any xrayed objects in the group solid again. use the + icon to add a bookmarked structure group to the 3D model, use the - icon to remove a bookmarked structure group from the 3D model. use the i (Inspect) icon to zoom in and focus the camera on a bookmarked structure group. Click on the icon again to display the group in the 3D model. Clicking on Cameras will open up a list of bookmarks for different camera positions. Clicking on a bookmark name in the list will display the current 3D model from that camera position.   Use the Add button to add your current scene, structure group or camera position to the Bookmarks folder.     Use the Delete button to delete your current scene, structure group or camera position from the Bookmarks folder.