In molecular modeling, the need to organize and manipulate data effectively can be a significant challenge. Whether you’re working on complex molecular simulations or visualizing intricate molecular structures, precisely controlling attributes is key. SAMSON’s Node Specification Language (NSL) provides an intuitive way to handle such tasks, and understanding note attributes can greatly improve your productivity.
Note attributes are part of the note attribute space in NSL, specifically designed to describe and manage “note nodes.” These attributes allow molecular modelers to control the properties of these nodes—such as visibility, name, and selection states. Let’s dive into how you can leverage these attributes in SAMSON.
Why Note Attributes Matter
Managing complex molecular data often requires the ability to filter, highlight, or hide specific elements. For instance, you might want to:
- Identify and isolate specific notes based on their names.
- Toggle between visible and hidden states for clarity in visualization.
- Determine which notes are selected for further operations.
Note attributes in NSL are tailored to offer these functionalities in a structured way.
Breaking Down the Attributes
Here’s a quick overview of note attributes and their possible applications:
| Attribute | Description | Examples |
|---|---|---|
hidden (h) |
Determines whether the note is hidden (true) or visible (false). |
nt.h or not nt.h |
name (n) |
Allows you to search for notes by name. Accepts string values in quotes. | nt.n "A" or nt.n "L*" |
selected |
Indicates whether a note is selected. | nt.selected or not nt.selected |
selectionFlag (sf) |
A flag for selection state. Similar to selected. |
nt.sf or nt.sf false |
visibilityFlag (vf) |
Controls visibility using a boolean flag. | nt.vf or nt.vf false |
visible (v) |
Determines whether a note is currently visible. | nt.v or not nt.v |
Practical Examples
Let’s see how these attributes can be applied in typical tasks:
- Hide specific notes: Use
nt.h trueto hide a note and keep your workspace clean. - Find notes by name: Filter notes with
nt.n "L*"to match all names starting with “L”. - Check visibility: Use
nt.vto list all visible notes, ensuring nothing important is missed. - Selection operations: Apply
not nt.selectedto operate on unselected notes.
Inheritance of Attributes
It’s worth noting that some attributes, like hidden and visible, are inherited from the general node attribute space. This inheritance makes note attributes highly versatile and aligns their behavior with standard node attributes, enabling consistent operations throughout your molecular modeling tasks.
Getting Started
To effectively use note attributes, experiment with queries in NSL’s scripting environment within SAMSON. The clarity and precision these attributes offer will enhance your workflows, making it easier to focus on the molecular details that matter most to your projects.
To learn more about note attributes and their applications, visit the full documentation.
SAMSON and all SAMSON Extensions are free for non-commercial use. Get started today at SAMSON Connect.