Tamarack – Streamline Your MCNP Workflow

Efficient Model Creation and Editing

Attila4MC-Tamarack features a powerful, state-of-the-art text editor with an integrated template designed to simplify MCNP model development. The editor includes advanced syntax highlighting, error detection, and robust parsing to help users quickly identify and resolve issues.

Users can interact directly with the 3-D views from within the editor, while the built-in automatic input card completion accelerates model creation. More than 140 fully commented MCNP input cards are included, making it easier to build accurate and well-documented models.

Built-in Assistant Libraries

To further streamline model development, Tamarack includes intelligent Assistants with integrated libraries containing:

More than 400 predefined materials
Gamma source spectra
Flux-to-dose response functions
Energy bin definitions
Element and isotope databases for quick reference
Autocard complete: Over 140 fully commented MCNP input cards

2-D Geometry Visualisation and Plotting

Tamarack also includes a traditional 2-D section viewer with automatic interference detection to identify over-defined and under-defined cells. Users can generate slices along the X, Y, and Z axes, as well as create arbitrary angled sections to inspect complex geometries from any orientation.

The 2-D viewer includes built-in plotting tools for:

Source sampling visualisation, including source locations, sampling probabilities, and energy-based colouring
DXTRAN spheres (including exclusion radius)
F5 tallies (including exclusion radius)
Automatic detection and display of geometry errors

Display options allow models to be coloured by material, cell, density, temperature, or importance, with an additional cell outlines mode for simplified geometry inspection.

To aid model validation and navigation, the viewer also displays detailed cell metadata at the cursor position, allowing users to quickly identify and inspect individual regions within the model.

3-D Visualisation and CSG-to-CAD Conversion

Attila4MC-Tamarack provides two advanced 3-D visualisation modes to support model verification and analysis.

The first is a high-performance ray-tracing renderer, capable of displaying even highly complex lattice geometries in a fraction of a second, making it ideal for rapid geometry verification.

The second is a Boundary Representation (B-Rep) renderer, which generates a watertight representation of the Constructive Solid Geometry (CSG) model. This mode enables high-quality visualisation and supports conversion of CSG models into CAD-compatible STEP files.

Both 3-D visualisation modes also provides interactive feedback by displaying detailed cell metadata at the cursor position, enabling users to quickly identify, inspect, and validate individual regions within the 3-D model during geometry review.