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# interfaces.diffusion_toolkit.postproc

## SplineFilter

Link to code

Wraps command spline_filter

Inputs:

    [Mandatory]
    step_length: (a float)
            in the unit of minimum voxel size
    terminal_output: ('stream' or 'allatonce' or 'file' or 'none')
            Control terminal output: `stream` - displays to terminal
            immediately, `allatonce` - waits till command is finished to display
            output, `file` - writes output to file, `none` - output is ignored
    track_file: (an existing file name)
            file containing tracks to be filtered

    [Optional]
    args: (a string)
            Additional parameters to the command
    environ: (a dictionary with keys which are a value of type 'str' and
             with values which are a value of type 'str', nipype default value:
             {})
            Environment variables
    ignore_exception: (a boolean, nipype default value: False)
            Print an error message instead of throwing an exception in case the
            interface fails to run
    output_file: (a file name, nipype default value: spline_tracks.trk)
            target file for smoothed tracks
    step_length: (a float)
            in the unit of minimum voxel size
    terminal_output: ('stream' or 'allatonce' or 'file' or 'none')
            Control terminal output: `stream` - displays to terminal
            immediately, `allatonce` - waits till command is finished to display
            output, `file` - writes output to file, `none` - output is ignored
    track_file: (an existing file name)
            file containing tracks to be filtered

Outputs:

    smoothed_track_file: (an existing file name)