If you’re working in molecular modeling, you likely struggle with navigating and sorting vast amounts of data in your molecular design platform. The Folder attributes within the Node Specification Language (NSL) in SAMSON provide an efficient solution for filtering, selecting, and managing folder nodes based on specific molecular criteria. This often-overlooked feature can save time and improve your workflow.
Why Folder Attributes Matter
In molecular modeling, folder nodes act as containers for hierarchical molecular information. When dealing with large datasets, manually parsing through these folders is inefficient. Folder attributes in NSL allow you to apply powerful queries to target specific folders based on meaningful criteria, such as their number of molecules, atoms, structural models, and more.
The attributes are divided into two categories:
- Inherited Attributes: General properties shared with other nodes. Examples include
visible(f.v) orname(f.n). - Specific Attributes: Properties unique to folders, like the number of atoms (
f.nat) or molecules (f.nm).
Key Attributes to Know
Understanding folder attributes can help you craft advanced filtering options for your molecular folders. Here’s a breakdown of some commonly used attributes and their potential applications:
| Attribute | Description | Example Query |
|---|---|---|
f.nat (numberOfAtoms) |
Filter folders based on the total number of atoms in their contents. | f.nat > 100 to find folders with more than 100 atoms. |
f.nH (numberOfHydrogens) |
Specify folders by the number of hydrogen atoms inside. | f.nH 10:20, selecting folders containing between 10 and 20 hydrogens. |
f.nm (numberOfMolecules) |
Target folders containing a specific number of molecules. | f.nm < 3 filters folders with fewer than 3 molecules. |
f.fc (formalCharge) |
Find folders holding molecules with particular formal charges. | f.fc 6:8 locates folders with charges ranging from 6 to 8. |
Crafting Expressions in NSL
The NSL syntax allows users to combine multiple attributes to precisely filter molecular folders. For instance:
f.nat > 100 and f.nC < 10: Find folders with more than 100 atoms but fewer than 10 carbon atoms.f.nm 2:4 and not f.hidden: Look for folders containing 2 to 4 molecules that are not hidden.
This flexibility helps in identifying exactly the data you need, eliminating distractions, and freeing up time for analysis instead of searching.
Practical Use Cases
Using folder attributes in SAMSON is particularly helpful in scenarios such as:
- Optimizing Workflow: Filter large datasets to focus on specific molecular subsets for further analysis.
- Experiment Consistency: Quickly locate folders matching precise atomic or molecular composition criteria.
- Data Presentation: Create clean, categorized datasets for presentations or reports.
Learn More
Leveraging Folder attributes in NSL gives molecular modelers a clear advantage in managing complex projects. This feature reduces clutter, allows targeted data analysis, and optimizes workflows. Explore the complete documentation for Folder attributes on the SAMSON documentation page.
SAMSON and all SAMSON Extensions are free for non-commercial use. Get SAMSON at SAMSON Connect.