Understanding Render Preset Attributes in SAMSON

For molecular modelers working on visualizing complex structures, managing the appearance of rendered components efficiently can be a persistent challenge. To address this, SAMSON’s Node Specification Language (NSL) provides a flexible renderPreset attribute space, designed to help you fine-tune the representation of render preset nodes. In this blog post, we’ll dive into the render preset attributes, their usage, and how you can enhance your workflows.

What are Render Preset Attributes?

The renderPreset attribute space (often referred to as rp for brevity) contains attributes that allow molecular modelers to manage render preset nodes. These attributes have been designed to simplify how visualizations are customized, enabling powerful yet clear expressions to fine-tune rendered elements.

Let’s break down some key attributes:

1. name Attribute

  • Short name: n
  • Description: This represents the name of the render preset node.
  • Values: Strings in quotes, such as “Helix” or patterns like “Sheet*”.
  • Examples:

This attribute helps you filter nodes based on their names, which is especially helpful when working with predefined or pattern-based render specifications.

2. selected Attribute

  • Description: A boolean attribute that indicates whether a node is selected or not.
  • Values: true, false
  • Examples:

Curating specific nodes within your model becomes straightforward using selected. For instance, you can refine expressions to apply operations only to selected nodes.

3. selectionFlag Attribute

  • Short name: sf
  • Description: Indicates the selection flag of the node, set as true or false.
  • Values: true, false
  • Examples:

This attribute provides another layer of granularity for filtering nodes based on their selection status, making it useful for complex selection operations.

How These Attributes Make Molecular Modeling Easier

These attributes allow molecular modelers to achieve enhanced precision in node management—whether you’re organizing nodes, targeting specific visualizations, or applying systematic operations. The short names (e.g., rp.sf) also help make expressions concise, saving time and reducing errors.

With the examples highlighted above, you can leverage renderPreset attributes to classify, filter, and customize nodes more effectively. By enabling such control, the NSL simplifies workflows and helps produce accurate and visually appealing molecular models.

Learn more about how to use render preset attributes in the official documentation: https://documentation.samson-connect.net/users/latest/nsl/renderPreset/.

Note: SAMSON and all SAMSON Extensions are free for non-commercial use. Get it now at https://www.samson-connect.net.

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