One of the most common challenges molecular modelers face is efficiently organizing and modifying the properties of complex molecular structures. Whether you’re analyzing individual atoms, bonds, or entire groups of nodes, navigating and editing their attributes can quickly become overwhelming. That’s where SAMSON’s Inspector tool shines.
Why the Inspector Matters
The Inspector in SAMSON is your go-to tool for managing node attributes with ease. It allows you to view and modify the properties of individual nodes or groups of nodes in a highly intuitive way. What makes it particularly powerful is the way it organizes attributes into groups, helping you focus on what matters most.
For instance, if you’re inspecting a residue, the Inspector automatically groups its attributes by node type, such as Atom, Bond, or Residue. Each attribute is further categorized into manageable sections, making it seamless to locate and edit properties.
Editable vs Non-Editable Attributes
For molecular modelers, understanding which properties can or cannot be modified is critical. Let’s take an atom as an example:
- You cannot modify intrinsic properties such as atomic weight, element name, or symbol because they’re tied to the element type.
- You can modify the element type itself, and doing so automatically updates dependent attributes such as atomic weight and symbol.
The reset feature adds further convenience. Hover over an attribute’s label, and if the cursor changes, double-clicking will reset the attribute to its default value. The image below demonstrates this feature:
Managing Groups of Nodes
Working with groups of nodes? The Inspector has you covered. It allows you to:
- Inspect attributes of multiple nodes at once.
- Modify attributes for all selected nodes simultaneously. For example, adjusting the position of multiple selected atoms applies changes across the group.
When selecting multiple nodes, the Inspector considers the attributes of the last selected node as representative. Modifications, however, are applied universally to all selected nodes of the same type. The images below showcase a practical example of modifying the positions of multiple atoms:
For precise group-level editing, SAMSON provides a Relative option. Leaving this option checked ensures the relative positions of the nodes within the group remain intact. Unchecking it forces all nodes to share the same value for the selected attribute.
Efficiency with Attribute Filtering
When dealing with intricate molecular models, finding the right attribute can feel like searching for a needle in a haystack. Thankfully, the Inspector includes a filtering feature that simplifies the process. By typing a keyword (e.g., “position”) into the filter, you can narrow down the list of attributes to see only the relevant ones. This feature is particularly useful for large structures with numerous parameters.
The image below demonstrates how the filter streamlines attribute selection:
From here, you’re ready to make any necessary modifications. Adjusting an atom’s position, for instance, provides immediate visual feedback.
Conclusion
SAMSON’s Inspector tool empowers molecular modelers to work more effectively, saving time and reducing frustration when navigating complex structures. For more in-depth details and tips about using the Inspector, visit the official documentation page.
SAMSON and all SAMSON Extensions are free for non-commercial use. You can download SAMSON at https://www.samson-connect.net.