Update 3 4 control perspective

3-4-control-perspective.md

@@ -12,6 +12,8 @@ After adding a new layer or selecting a layer from the list, **Rendering Pane**
 * **Pan** : Press and hold right mouse button, and drag.
 * **Zoom fit** : Click _Zoom Fit_ button on _Map_ panel in _Home_ menu category, in order to go back to the default camera position with a zoom level fitted to the entire scene.
 
+      ![](img/3-4-zoom-fit.png)
+
 ### Changing the display mode
 
 In the **Rendering Pane**, the *polar coordinates* is set by default. You can change the display mode from the *polar coordinates* (globe) mode to the *Cartesian coordinates* (map box), or vice versa, as follows.