For molecular modelers, presenting complex structures in ways that captivate and inform an audience is an essential task. Whether you’re showcasing research, teaching students, or collaborating with colleagues, the way you visually represent molecular data can make a significant impact. One such tool that can bring life to your presentations is the Pulse animation in SAMSON. This blog post will walk you through how to make the most of this feature to enhance your molecular designs.
Why Use the Pulse Animation?
The Pulse animation is designed to progressively reveal and hide molecular structures. It is highly effective for drawing attention to specific components, explaining complex interactions, or illustrating processes over time. Importantly, Pulse can only be applied to nodes with a transparency attribute, such as structural models, visual models, meshes, and labels. If you’ve ever felt that static visualizations don’t fully convey your message, Pulse might be the solution you need.
How Does the Pulse Animation Work?
The Pulse animation relies on five keyframes:
- Keyframes 1 to 2: Nodes are fully transparent, creating a clear “start” point.
- Keyframes 2 to 3: Transparency decreases, progressively revealing the nodes.
- Keyframe 3: Nodes are fully opaque—this is the peak of visibility.
- Keyframes 3 to 4: Transparency increases again, gradually hiding the nodes once more.
- Keyframes 4 to 5: Nodes return to being fully transparent.
This structured approach ensures a smooth and visually appealing transition between states, making your animations both engaging and professional.
Getting Started with Pulse
Applying the Pulse animation in SAMSON is straightforward:
- Select the nodes you want to animate.
- In the Animation panel within the Animator, double-click the Pulse option.
- Adjust the timing of the keyframes to fit your presentation needs.

Fine-Tuning with Properties
You can further customize the behavior of your Pulse animation by adjusting the Easing curve. This allows you to control how smoothly the transparency changes between keyframes, giving you even more flexibility to align the animation with your specific goals.

Why It Matters
The Pulse animation isn’t just about aesthetics. It can help clarify molecular interactions, highlight areas of interest, and make your presentations more interactive. Whether you’re communicating data to a scientific audience or looking to simplify intricate concepts, the Pulse animation can serve as a valuable tool in your workflow.
To explore this feature in more detail, visit the official documentation page here: Pulse Animation Documentation.
SAMSON and all SAMSON Extensions are free for non-commercial use. You can get SAMSON at https://www.samson-connect.net.
