For molecular modelers, presenting molecular animations can often hinge on clarity and choosing the right visual details to emphasize. One challenge is how to progressively hide selected atoms and their connections during an animation to avoid overwhelming visuals. Fortunately, SAMSON’s Conceal Atoms animation provides an intuitive solution to this pain point.
What is the Conceal Atoms Animation?
The Conceal Atoms animation is designed for situations where you need certain atoms and bonds to disappear progressively between frames. Rather than relying on transparency, it adjusts the visibility of the selected nodes. This subtle approach can significantly enhance the storytelling aspect of molecular presentations by reducing clutter when zooming in on specific substructures or highlighting key areas.

Adding the Conceal Atoms Animation
Here’s how you can leverage the Conceal Atoms effect during your molecular animations:
- Select Atoms and Bonds: Begin by choosing the specific atoms and bonds you want to gradually hide. Carefully select the elements that wouldn’t distract from the focal point of your animation.
- Apply the Animation: Open the Animation Panel in SAMSON’s Animator section, and double-click on the Conceal Atoms animation effect.
- Understand Keyframes: The animation spans 4 keyframes:
- Between keyframes 1 and 2, all selected atoms and their bonds remain fully visible.
- Between keyframes 2 and 3, the concealment process begins, progressively hiding atoms based on their order in the selection.
- By keyframes 3 and 4, the selected atoms and bonds are completely hidden.
- Fine-Tune: Adjust the timing by moving the keyframes as needed to optimize the flow in your animation.
Tips for Customization
The Conceal Atoms animation offers flexibility to control how parameters transition between frames. By modifying the Easing Curve, you can achieve a smoother or more dramatic fade-out effect, depending on your project requirements.
Real-World Examples
Looking for inspiration? Here are some examples of presentations utilizing Conceal Atoms, available on SAMSON Connect:
Why Should You Care?
The Conceal Atoms animation is not just about making atoms disappear—it’s about presenting a clear and logical visual narrative. Whether you’re working on complex simulations, trying to showcase a reaction mechanism, or create visually appealing molecular presentations for a wider audience, this animation can help you achieve professional-grade output without unnecessary distractions.
To learn more about this feature and its potential applications, visit the original documentation page: Conceal Atoms Documentation.
SAMSON and all SAMSON Extensions are free for non-commercial use. Download SAMSON today at SAMSON Connect.
