Getting Familiar With the Viewer and Timeline in Natron

In the previous articles, we explored Natron's interface and learned how the node network works. Now it is time to look more closely at two areas you will use constantly while working on compositions: the Viewer and the Timeline.

Read Part 1 here: Exploring the Natron Interface

Read Part 2 here: Why Natron's Node Network Makes More Sense Than It First Appears

At the top of the interface is the Viewer. This is the main display area where you can see the output of your composition. While many beginners think of it as simply the final output window, the Viewer can display the result of almost any node in your node graph. By connecting a specific node to the Viewer, you can inspect that stage of the composition and see exactly what the node is producing.

This is one of the advantages of Natron's node based workflow. Instead of only seeing the finished result, you can examine individual parts of the composition as you build them. Whether you are working with shapes, masks, transforms, merges, or effects, the Viewer lets you inspect each step independently.

Navigation inside the Viewer is straightforward. You can zoom in and out using the mouse scroll wheel, which is often the quickest method while working. Natron also provides keyboard shortcuts for zooming, allowing you to use the plus and minus keys when you need more precise control. As compositions become more detailed, these zoom controls become essential for inspecting specific areas of an image.

Directly below the Viewer is the Timeline. In the example shown, the project contains 150 frames. As playback begins, the playhead moves across the timeline to show the current frame being displayed in the Viewer. This area is where animation takes place and where you control the duration of your composition.

The beginning and end of the timeline can be adjusted using the controls located at the corners of the frame range. These clickable buttons allow you to define the start and end points of your animation. As you begin creating animated projects, these controls become important for setting the portion of the timeline that you want to work with or render.

Together, the Viewer and Timeline form the center of the Natron workflow. The Viewer allows you to inspect your composition visually, while the Timeline controls how that composition changes over time. Understanding these two areas early on makes it much easier to work with animations, effects, and more complex node networks later in your learning journey.

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