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Animation

This option allows one to view an animation of a trajectory using VMD. To do so, VMD must be installed and the preferences variables vmd_path storing the path for VMD reader executable must be correctly set.

Pressing the Animation button will pop up the dialog shown on figure 4.67

Figure 4.67: The dialog from where a trajectory can be animated using Visual Molecular Dynamics (VMD)

The following input fields controls the parameters to visualize an animation of a trajectory through VMD:

- MMTK Trajectory file
  Format: string
  Default: the loaded trajectory filename if one trajectory is currently loaded. Nothing otherwise
  Description: this widget allows to specify the name of the trajectory animation to visualize.

- First step
  Format: integer in [1,traj_length] where traj_length is the number of frames of the input trajectory
  Default: 1 if one trajectory is currently loaded.or nothing otherwise.
  Description: this widget allows to specify the first step of the trajectory to visualize.

- Last step
  Format: integer in [1,traj_length] where traj_length is the number of frames of the input trajectory
  Default: the trajectory last step if one trajectory is currently loaded or nothing otherwise.
  Description: this widget allows to specify the last step of the trajectory to visualize. Depending on the trajectory, calling VMD from nMOLDYN is quite time-consuming, the entered value should not be too high.

- Skip step
  Format: integer in [1,traj_length[ where traj_length is the number of frames of the input trajectory
  Default: 1 if one trajectory is currently loaded.or nothing otherwise.
  Description: this widget allows to specify the number of trajectory steps to skip between each step to visualize.

Pressing the OK button will run the animation, pressing the Cancel button will close the dialog.

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