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The SimulatorGL tool is a new alternative to CAM Simulator. It's based on low-level OpenGL functions. To eliminate interference with the 3D view of FreeCAD, it works in a separate window with a separate OpenGL context. It's meant to be faster and more precise than the old simulator.

1. There are several ways to invoke the command:
   • Press the CAM SimulatorGL button.
   • Select the CAM → New CAM Simulator option from the menu.
   • Use the keyboard shortcut: P then N.
2. De-select any Operations that are not to be simulated
3. Tune the Accuracy setting.
4. Select the Job for simulation from the drop menu.
5. Press the (Activate / resume simulation) button
   • A separate window with the simulator will open.
   • Use the left-side buttons: Play, Single-Step and Fast Forward and the slider to control the animation.
   • Use the right-side buttons to: Show/hide overlay of base model, Orbit the model, Display the path and Enable/disable Ambient Occlusion.
   • Control the 3D view with the current FreeCAD mouse controls.

• DatenAccuracy: The accuracy of the simulation expressed as a percentage indicating the simulations deviation from the Job. For interactive simulation, reducing accuracy to 0.3 works much faster.
• DatenJob: The Job used as the basis of the simulation
• DatenOperation List: The list of Operations selected for inclusion in the simulation.