Spirit Desktop UI

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The cross-platform QT desktop user interface provides a productive tool for Spin simulations, providing powerful real-time visualisations and access to simulation parameters, as well as other very useful features.

See the framework build instructions for information on how to build the user interface on your machine.

Physics features

Insert Configurations:

  • White noise
  • (Anti-) Skyrmions
  • Domains
  • Spin Spirals

You may manipulate the Hamiltonian as well as simulation parameters and your output file configuration:

You may start and stop simulation and directly interact with a running simulation.

  • LLG Simulation: Dynamics and Minimization
  • GNEB: create transitions and calculate minimum energy paths

By copying and inserting spin systems and manipulating them you may create arbitrary transitions between different spin states to use them in GNEB calculations. Furthermore you can choose different images to be climbing or falling images during your calculation.

Real-time visualisation

This feature is most powerful for 3D systems but shows great use for the analysis of dynamical processes and understanding what is happening in your system during a simulation instead of post-processing your data.

  • Arrows, Surface (2D/3D), Isosurface
  • Spins or Eff. Field
  • Every n’th arrow
  • Spin Sphere
  • Directional & Position filters
  • Colormaps

You can also create quite complicate visualisations by combining these different features in order to visualise complex states in 3D systems:

Complicated visualisation combinating isosurface, arrows and filtersVisualisation of a complicated state

Note that a data plot is available to visualise your chain of spin systems. It can also show interpolated energies if you run a GNEB calculation.

Minimum energy pathGNEB Transition Plot

Additional features

  • Drag mode: drag, copy, insert, change radius
  • Screenshot
  • Read configuration or chain
  • Save configuration or chain

Key bindings

Note that some of the keybindings may only work correctly on US keyboard layout.

UI Controls

Effect Keystroke
Show this F1
Toggle Settings F2
Toggle Plots F3
Toggle Debug F4
Toggle \"Dragging\" mode F5
Toggle large visualization F10 / Ctrl+F
Toggle full-screen window F11 / Ctrl+Shift+F
Screenshot of Visualization region F12 / Home
Toggle OpenGL Visualization Ctrl+Shift+V
Try to return focus to main UI Esc

Camera Controls

Effect Keystroke
Rotate the camera around Left mouse / W A S D ( Shift to go slow)
Move the camera around Left mouse / T F G H ( Shift to go slow)
Zoom in on focus point Scroll mouse ( Shift to go slow)
Set the camera in X, Y or Z direction X Y Z ( shift to invert)

Control Simulations

Effect Keystroke
Play/Pause Space
Cycle Method Ctrl+M
Cycle Solver Ctrl+S

Manipulate the current images

Effect Keystroke
Random configuration Ctrl+R
Add tempered noise Ctrl+N
Insert last used configuration Enter

Visualisation

Effect Keystroke
Use more/less data points of the vector field +/-
Regular Visualisation Mode 1
Isosurface Visualisation Mode 2
Slab (X,Y,Z) Visualisation Mode 3 4 5
Cycle Visualisation Mode /
Move Slab , / . ( Shift to go faster)

Manipulate the chain of images

Effect Keystroke
Switch between images and chains
Cut image Ctrl+X
Copy image Ctrl+C
Paste image at current index Ctrl+V
Insert left/right of current index Ctrl+ /
Delete image Del

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