It’s good to have a watershed layout reference when creating the model schematic. VO has the ability to add a picture as the background in the Canvas. A picture is provided for this exercise in the training package located at …\data\Background.JPG. We will use it as the background in this exercise.
To set the background, right-click on canvas and choose Background -> Change Background… to select the picture. Move the picture around to put it in the center. Practice using the mouse to move the background around and zoom in/out (with the wheel).
After add the background, you will see the canvas with the background figure as shown below: