Making Molecular Models Invisible Between Keyframes with the ‘Hidden’ Animation Effect

Have you ever needed to temporarily remove a molecular component in your animations, without altering transparency, but simply making it disappear from view? If so, the ‘Hidden’ animation effect in SAMSON might be the perfect solution for your molecular modeling needs, especially when creating clear and impactful presentations.

The ‘Hidden’ animation is powerful yet simple—it allows nodes, such as molecular structures, to vanish completely between two keyframes of an animation. This is achieved through controlling the visibility of the nodes and not their transparency. Why is this distinction important? Transparency can still leave a faint visual trace that may clutter animations, whereas the ‘Hidden’ effect ensures complete invisibility during selected frames.

How to Add the ‘Hidden’ Animation to Your Molecular Models

Using this feature is straightforward. Here’s how you can add and manipulate the ‘Hidden’ animation:

  1. Select the nodes you want to hide in the animation. These might include specific molecular components that you do not want visible for certain keyframes.
  2. Double-click on the Hidden animation effect in the Animation Panel of the Animator. This action automatically sets a ‘begin’ keyframe at the current frame.
  3. Adjust the keyframes of the animation as necessary to control the timing and duration of the invisibility effect.

Example: the Shown and Hidden animations

Pro Tips: Moving and Interpolating Keyframes

When animating molecular models, timing can be crucial. Keyframes in the ‘Hidden’ animation can be moved freely to fine-tune when specific nodes vanish and reappear. To achieve smooth transitions or to add an engaging touch to your animations, consider modifying the animation’s Easing Curve. The Easing Curve adjusts how parameters like visibility change over time—this can help in achieving natural and polished animations for presentations or scientific demonstrations.

Why Use the ‘Hidden’ Animation?

The ‘Hidden’ animation is particularly useful for focusing on specific regions within complex molecular models without overwhelming the viewer with extraneous details. Whether you’re presenting a biochemical process, highlighting a binding interaction, or showcasing structural changes, this effect ensures clarity and precision in your storytelling.

Limitations to Keep in Mind

It’s important to remember that while the ‘Hidden’ animation fully removes nodes from the viewer’s perception, it does not alter the nodes themselves. This ensures reversibility without impacting the model’s integrity—perfect for iterative design workflows.

To explore this feature in more detail and to get started with the ‘Hidden’ animation in SAMSON, visit the documentation page.

SAMSON and all SAMSON Extensions are free for non-commercial use. You can get SAMSON at https://www.samson-connect.net.

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