For molecular modelers, one common challenge is presenting molecular dynamics without losing critical structural details. Imagine needing to communicate your findings where the essential part of a complex system remains stable while other parts follow their motion. Enter the ‘Hold atoms’ animation feature in SAMSON, a simple yet effective tool to lock specific atom positions between two animation frames.
Why Hold Atoms in Molecular Animations?
When showcasing molecular movements, observing the dynamic components in action is just as crucial as keeping some parts steady. Fixing specific atoms or groups enables clarity and focus in communicating key scientific points to peers or stakeholders. With ‘Hold atoms,’ you can seamlessly highlight areas of interest while others transform or relocate.
Step-by-Step: How to Use ‘Hold atoms’
Here’s how you can use the ‘Hold atoms’ feature:
- Select a group of particles: Start by selecting the group of atoms or molecules whose positions you want to fix. You can learn more about how to select particles through SAMSON’s selection guide.
- Apply the animation: Navigate to the Animation panel within SAMSON’s Animator and double-click on the Hold atoms effect. This action ensures the selected particles remain in their positions while other changes occur.
- Adjust keyframes: You can then organize the animation on the timeline by moving keyframes to desired sequences. Keyframes define the animation’s starting and ending points, so keep refining the animation panel as needed.
Important Notes
Here are two key considerations when using ‘Hold atoms’:
- Timeline flexibility: Even after applying the animation, you can always adjust its keyframes for better choreography of molecular dynamics.
- Updated features: Older versions of SAMSON referred to an Animation menu, while the current interface consolidates controls into the Animation panel within the Animator, offering a streamlined user experience.
Integrating ‘Hold atoms’ with Other Animations
For researchers looking to create more comprehensive presentations, the ‘Hold atoms’ animation pairs seamlessly with the Move atoms effect. By combining these animations, you can both fix and transition molecular structures, enabling visually striking and scientifically meaningful results. For example, you can simulate binding processes, emphasize crucial molecular interactions, or illustrate assembling mechanisms.
Good Practices in Animated Presentations
The key to effective communication often lies in simplicity. By holding some molecular components steady while letting others move freely, your audience can easily identify crucial points. Structure your animations to flow naturally, giving viewers adequate time to absorb changes and interpretations.
Examples from the SAMSON Community
If you’re seeking inspiration, SAMSON offers examples of presentations created using the ‘Hold atoms’ feature:
Visualize better, communicate better, and model better by creatively employing the ‘Hold atoms’ feature. Learn more about this feature and its broader potential in modeling molecular systems.
SAMSON and all SAMSON Extensions are free for non-commercial use. You can get SAMSON at https://www.samson-connect.net.